Merge with /home/stefan/git/u-boot/denx
This commit is contained in:
@@ -39,7 +39,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
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||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
|
||||
all: $(obj).depend $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -33,7 +33,7 @@ OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
|
||||
all: $(obj).depend $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -34,7 +34,7 @@ OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
|
||||
all: $(obj).depend $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -34,7 +34,7 @@ OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
|
||||
all: $(obj).depend $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
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||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -25,40 +25,6 @@
|
||||
#include <command.h>
|
||||
#include <arm925t.h>
|
||||
|
||||
ushort gpioreserved;
|
||||
|
||||
void gpioreserve(ushort mask)
|
||||
{
|
||||
gpioreserved |= mask;
|
||||
}
|
||||
|
||||
void gpiosetdir(ushort mask, ushort in)
|
||||
{
|
||||
*(ushort *)GPIO_DIR_CONTROL_REG = (*(ushort *)GPIO_DIR_CONTROL_REG & ~mask) | (in & mask);
|
||||
}
|
||||
|
||||
|
||||
void gpiosetout(ushort mask, ushort out)
|
||||
{
|
||||
ushort *r_ptr, r_val;
|
||||
|
||||
r_ptr = (ushort *)GPIO_DATA_OUTPUT_REG; /* set pointer */
|
||||
r_val = *r_ptr & ~mask; /* get previous val, clear bits we want to change */
|
||||
r_val |= (out & mask); /* set specified bits in value + plus origional ones */
|
||||
*r_ptr = r_val; /* write it out */
|
||||
/*
|
||||
* gcc screwed this one up :(.
|
||||
*
|
||||
* *(ushort *)GPIO_DATA_OUTPUT_REG = (*(ushort *)GPIO_DATA_OUTPUT_REG & ~mask) | (out & mask);
|
||||
*/
|
||||
|
||||
}
|
||||
|
||||
void gpioinit(void)
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
#define MIF_CONFIG_REG 0xFFFECC0C
|
||||
#define FLASH_GLOBAL_CTRL_NWP 1
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
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||||
|
||||
#########################################################################
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||||
|
||||
|
50
cpu/at32ap/Makefile
Normal file
50
cpu/at32ap/Makefile
Normal file
@@ -0,0 +1,50 @@
|
||||
#
|
||||
# (C) Copyright 2000-2006
|
||||
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
#
|
||||
# Copyright (C) 2005-2006 Atmel Corporation.
|
||||
#
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
#
|
||||
|
||||
include $(TOPDIR)/config.mk
|
||||
|
||||
LIB := $(obj)lib$(CPU).a
|
||||
|
||||
START := start.o
|
||||
SOBJS := entry.o
|
||||
COBJS := cpu.o hsdramc.o exception.o cache.o
|
||||
COBJS += interrupts.o device.o pm.o pio.o
|
||||
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
|
||||
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
|
||||
START := $(addprefix $(obj),$(START))
|
||||
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $^
|
||||
|
||||
#########################################################################
|
||||
|
||||
# defines $(obj).depend target
|
||||
include $(SRCTREE)/rules.mk
|
||||
|
||||
sinclude $(obj).depend
|
||||
|
||||
#########################################################################
|
43
cpu/at32ap/at32ap7000/Makefile
Normal file
43
cpu/at32ap/at32ap7000/Makefile
Normal file
@@ -0,0 +1,43 @@
|
||||
#
|
||||
# Copyright (C) 2005-2006 Atmel Corporation
|
||||
#
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
#
|
||||
|
||||
include $(TOPDIR)/config.mk
|
||||
|
||||
LIB := $(obj)lib$(SOC).a
|
||||
|
||||
COBJS := hebi.o devices.o
|
||||
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
|
||||
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
|
||||
|
||||
all: $(obj).depend $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $^
|
||||
|
||||
#########################################################################
|
||||
|
||||
# defines $(obj).depend target
|
||||
include $(SRCTREE)/rules.mk
|
||||
|
||||
sinclude $(obj).depend
|
||||
|
||||
#########################################################################
|
448
cpu/at32ap/at32ap7000/devices.c
Normal file
448
cpu/at32ap/at32ap7000/devices.c
Normal file
@@ -0,0 +1,448 @@
|
||||
/*
|
||||
* Copyright (C) 2006 Atmel Corporation
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
#include <common.h>
|
||||
|
||||
#include <asm/arch/memory-map.h>
|
||||
#include <asm/arch/platform.h>
|
||||
|
||||
#include "../sm.h"
|
||||
|
||||
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
|
||||
|
||||
const struct clock_domain chip_clock[] = {
|
||||
[CLOCK_CPU] = {
|
||||
.reg = SM_PM_CPU_MASK,
|
||||
.id = CLOCK_CPU,
|
||||
.bridge = NO_DEVICE,
|
||||
},
|
||||
[CLOCK_HSB] = {
|
||||
.reg = SM_PM_HSB_MASK,
|
||||
.id = CLOCK_HSB,
|
||||
.bridge = NO_DEVICE,
|
||||
},
|
||||
[CLOCK_PBA] = {
|
||||
.reg = SM_PM_PBA_MASK,
|
||||
.id = CLOCK_PBA,
|
||||
.bridge = DEVICE_PBA_BRIDGE,
|
||||
},
|
||||
[CLOCK_PBB] = {
|
||||
.reg = SM_PM_PBB_MASK,
|
||||
.id = CLOCK_PBB,
|
||||
.bridge = DEVICE_PBB_BRIDGE,
|
||||
},
|
||||
};
|
||||
|
||||
static const struct resource hebi_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_HSB, 0 },
|
||||
},
|
||||
}, {
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBB, 13 },
|
||||
},
|
||||
}, {
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBB, 14 },
|
||||
},
|
||||
}, {
|
||||
.type = RESOURCE_GPIO,
|
||||
.u = {
|
||||
.gpio = { 27, DEVICE_PIOE, GPIO_FUNC_A, 0 },
|
||||
},
|
||||
},
|
||||
};
|
||||
static const struct resource pba_bridge_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_HSB, 1 },
|
||||
}
|
||||
}, {
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
/* HSB-HSB Bridge */
|
||||
.clock = { CLOCK_HSB, 4 },
|
||||
},
|
||||
},
|
||||
};
|
||||
static const struct resource pbb_bridge_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_HSB, 2 },
|
||||
},
|
||||
},
|
||||
};
|
||||
static const struct resource hramc_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_HSB, 3 },
|
||||
},
|
||||
},
|
||||
};
|
||||
static const struct resource pioa_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBA, 10 },
|
||||
},
|
||||
},
|
||||
};
|
||||
static const struct resource piob_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBA, 11 },
|
||||
},
|
||||
},
|
||||
};
|
||||
static const struct resource pioc_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBA, 12 },
|
||||
},
|
||||
},
|
||||
};
|
||||
static const struct resource piod_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBA, 13 },
|
||||
},
|
||||
},
|
||||
};
|
||||
static const struct resource pioe_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBA, 14 },
|
||||
},
|
||||
},
|
||||
};
|
||||
static const struct resource sm_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBB, 0 },
|
||||
},
|
||||
},
|
||||
};
|
||||
static const struct resource intc_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBB, 1 },
|
||||
},
|
||||
},
|
||||
};
|
||||
static const struct resource hmatrix_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBB, 2 },
|
||||
},
|
||||
},
|
||||
};
|
||||
#if defined(CFG_HPDC)
|
||||
static const struct resource hpdc_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBA, 16 },
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
#if defined(CFG_MACB0)
|
||||
static const struct resource macb0_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_HSB, 8 },
|
||||
},
|
||||
}, {
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBB, 6 },
|
||||
},
|
||||
}, {
|
||||
.type = RESOURCE_GPIO,
|
||||
.u = {
|
||||
.gpio = { 19, DEVICE_PIOC, GPIO_FUNC_A, 0 },
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
#if defined(CFG_MACB1)
|
||||
static const struct resource macb1_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_HSB, 9 },
|
||||
},
|
||||
}, {
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBB, 7 },
|
||||
},
|
||||
}, {
|
||||
.type = RESOURCE_GPIO,
|
||||
.u = {
|
||||
.gpio = { 12, DEVICE_PIOC, GPIO_FUNC_B, 19 },
|
||||
},
|
||||
}, {
|
||||
.type = RESOURCE_GPIO,
|
||||
.u = {
|
||||
.gpio = { 14, DEVICE_PIOD, GPIO_FUNC_B, 2 },
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
#if defined(CFG_LCDC)
|
||||
static const struct resource lcdc_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_HSB, 7 },
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
#if defined(CFG_USART0)
|
||||
static const struct resource usart0_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBA, 3 },
|
||||
},
|
||||
}, {
|
||||
.type = RESOURCE_GPIO,
|
||||
.u = {
|
||||
.gpio = { 2, DEVICE_PIOA, GPIO_FUNC_B, 8 },
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
#if defined(CFG_USART1)
|
||||
static const struct resource usart1_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBA, 4 },
|
||||
},
|
||||
}, {
|
||||
.type = RESOURCE_GPIO,
|
||||
.u = {
|
||||
.gpio = { 2, DEVICE_PIOA, GPIO_FUNC_A, 17 },
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
#if defined(CFG_USART2)
|
||||
static const struct resource usart2_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBA, 5 },
|
||||
},
|
||||
}, {
|
||||
.type = RESOURCE_GPIO,
|
||||
.u = {
|
||||
.gpio = { 2, DEVICE_PIOB, GPIO_FUNC_B, 26 },
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
#if defined(CFG_USART3)
|
||||
static const struct resource usart3_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBA, 6 },
|
||||
},
|
||||
}, {
|
||||
.type = RESOURCE_GPIO,
|
||||
.u = {
|
||||
.gpio = { 2, DEVICE_PIOB, GPIO_FUNC_B, 17 },
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
#if defined(CFG_MMCI)
|
||||
static const struct resource mmci_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_PBB, 9 },
|
||||
},
|
||||
}, {
|
||||
.type = RESOURCE_GPIO,
|
||||
.u = {
|
||||
.gpio = { 6, DEVICE_PIOA, GPIO_FUNC_A, 10 },
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
#if defined(CFG_DMAC)
|
||||
static const struct resource dmac_resource[] = {
|
||||
{
|
||||
.type = RESOURCE_CLOCK,
|
||||
.u = {
|
||||
.clock = { CLOCK_HSB, 10 },
|
||||
},
|
||||
},
|
||||
};
|
||||
#endif
|
||||
|
||||
const struct device chip_device[] = {
|
||||
[DEVICE_HEBI] = {
|
||||
.regs = (void *)HSMC_BASE,
|
||||
.nr_resources = ARRAY_SIZE(hebi_resource),
|
||||
.resource = hebi_resource,
|
||||
},
|
||||
[DEVICE_PBA_BRIDGE] = {
|
||||
.nr_resources = ARRAY_SIZE(pba_bridge_resource),
|
||||
.resource = pba_bridge_resource,
|
||||
},
|
||||
[DEVICE_PBB_BRIDGE] = {
|
||||
.nr_resources = ARRAY_SIZE(pbb_bridge_resource),
|
||||
.resource = pbb_bridge_resource,
|
||||
},
|
||||
[DEVICE_HRAMC] = {
|
||||
.nr_resources = ARRAY_SIZE(hramc_resource),
|
||||
.resource = hramc_resource,
|
||||
},
|
||||
[DEVICE_PIOA] = {
|
||||
.regs = (void *)PIOA_BASE,
|
||||
.nr_resources = ARRAY_SIZE(pioa_resource),
|
||||
.resource = pioa_resource,
|
||||
},
|
||||
[DEVICE_PIOB] = {
|
||||
.regs = (void *)PIOB_BASE,
|
||||
.nr_resources = ARRAY_SIZE(piob_resource),
|
||||
.resource = piob_resource,
|
||||
},
|
||||
[DEVICE_PIOC] = {
|
||||
.regs = (void *)PIOC_BASE,
|
||||
.nr_resources = ARRAY_SIZE(pioc_resource),
|
||||
.resource = pioc_resource,
|
||||
},
|
||||
[DEVICE_PIOD] = {
|
||||
.regs = (void *)PIOD_BASE,
|
||||
.nr_resources = ARRAY_SIZE(piod_resource),
|
||||
.resource = piod_resource,
|
||||
},
|
||||
[DEVICE_PIOE] = {
|
||||
.regs = (void *)PIOE_BASE,
|
||||
.nr_resources = ARRAY_SIZE(pioe_resource),
|
||||
.resource = pioe_resource,
|
||||
},
|
||||
[DEVICE_SM] = {
|
||||
.regs = (void *)SM_BASE,
|
||||
.nr_resources = ARRAY_SIZE(sm_resource),
|
||||
.resource = sm_resource,
|
||||
},
|
||||
[DEVICE_INTC] = {
|
||||
.regs = (void *)INTC_BASE,
|
||||
.nr_resources = ARRAY_SIZE(intc_resource),
|
||||
.resource = intc_resource,
|
||||
},
|
||||
[DEVICE_HMATRIX] = {
|
||||
.regs = (void *)HMATRIX_BASE,
|
||||
.nr_resources = ARRAY_SIZE(hmatrix_resource),
|
||||
.resource = hmatrix_resource,
|
||||
},
|
||||
#if defined(CFG_HPDC)
|
||||
[DEVICE_HPDC] = {
|
||||
.nr_resources = ARRAY_SIZE(hpdc_resource),
|
||||
.resource = hpdc_resource,
|
||||
},
|
||||
#endif
|
||||
#if defined(CFG_MACB0)
|
||||
[DEVICE_MACB0] = {
|
||||
.regs = (void *)MACB0_BASE,
|
||||
.nr_resources = ARRAY_SIZE(macb0_resource),
|
||||
.resource = macb0_resource,
|
||||
},
|
||||
#endif
|
||||
#if defined(CFG_MACB1)
|
||||
[DEVICE_MACB1] = {
|
||||
.regs = (void *)MACB1_BASE,
|
||||
.nr_resources = ARRAY_SIZE(macb1_resource),
|
||||
.resource = macb1_resource,
|
||||
},
|
||||
#endif
|
||||
#if defined(CFG_LCDC)
|
||||
[DEVICE_LCDC] = {
|
||||
.nr_resources = ARRAY_SIZE(lcdc_resource),
|
||||
.resource = lcdc_resource,
|
||||
},
|
||||
#endif
|
||||
#if defined(CFG_USART0)
|
||||
[DEVICE_USART0] = {
|
||||
.regs = (void *)USART0_BASE,
|
||||
.nr_resources = ARRAY_SIZE(usart0_resource),
|
||||
.resource = usart0_resource,
|
||||
},
|
||||
#endif
|
||||
#if defined(CFG_USART1)
|
||||
[DEVICE_USART1] = {
|
||||
.regs = (void *)USART1_BASE,
|
||||
.nr_resources = ARRAY_SIZE(usart1_resource),
|
||||
.resource = usart1_resource,
|
||||
},
|
||||
#endif
|
||||
#if defined(CFG_USART2)
|
||||
[DEVICE_USART2] = {
|
||||
.regs = (void *)USART2_BASE,
|
||||
.nr_resources = ARRAY_SIZE(usart2_resource),
|
||||
.resource = usart2_resource,
|
||||
},
|
||||
#endif
|
||||
#if defined(CFG_USART3)
|
||||
[DEVICE_USART3] = {
|
||||
.regs = (void *)USART3_BASE,
|
||||
.nr_resources = ARRAY_SIZE(usart3_resource),
|
||||
.resource = usart3_resource,
|
||||
},
|
||||
#endif
|
||||
#if defined(CFG_MMCI)
|
||||
[DEVICE_MMCI] = {
|
||||
.regs = (void *)MMCI_BASE,
|
||||
.nr_resources = ARRAY_SIZE(mmci_resource),
|
||||
.resource = mmci_resource,
|
||||
},
|
||||
#endif
|
||||
#if defined(CFG_DMAC)
|
||||
[DEVICE_DMAC] = {
|
||||
.regs = (void *)DMAC_BASE,
|
||||
.nr_resources = ARRAY_SIZE(dmac_resource),
|
||||
.resource = dmac_resource,
|
||||
},
|
||||
#endif
|
||||
};
|
38
cpu/at32ap/at32ap7000/hebi.c
Normal file
38
cpu/at32ap/at32ap7000/hebi.c
Normal file
@@ -0,0 +1,38 @@
|
||||
/*
|
||||
* Copyright (C) 2006 Atmel Corporation
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
#include <common.h>
|
||||
|
||||
#include <asm/io.h>
|
||||
|
||||
#include <asm/arch/hmatrix2.h>
|
||||
#include <asm/arch/memory-map.h>
|
||||
#include <asm/arch/platform.h>
|
||||
|
||||
void cpu_enable_sdram(void)
|
||||
{
|
||||
const struct device *hmatrix;
|
||||
|
||||
hmatrix = get_device(DEVICE_HMATRIX);
|
||||
|
||||
/* Set the SDRAM_ENABLE bit in the HEBI SFR */
|
||||
hmatrix2_writel(hmatrix, SFR4, 1 << 1);
|
||||
}
|
97
cpu/at32ap/cache.c
Normal file
97
cpu/at32ap/cache.c
Normal file
@@ -0,0 +1,97 @@
|
||||
/*
|
||||
* Copyright (C) 2004-2006 Atmel Corporation
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
|
||||
#include <asm/cacheflush.h>
|
||||
|
||||
void dcache_clean_range(volatile void *start, size_t size)
|
||||
{
|
||||
unsigned long v, begin, end, linesz;
|
||||
|
||||
linesz = CFG_DCACHE_LINESZ;
|
||||
|
||||
/* You asked for it, you got it */
|
||||
begin = (unsigned long)start & ~(linesz - 1);
|
||||
end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
|
||||
|
||||
for (v = begin; v < end; v += linesz)
|
||||
dcache_clean_line((void *)v);
|
||||
|
||||
sync_write_buffer();
|
||||
}
|
||||
|
||||
void dcache_invalidate_range(volatile void *start, size_t size)
|
||||
{
|
||||
unsigned long v, begin, end, linesz;
|
||||
|
||||
linesz = CFG_DCACHE_LINESZ;
|
||||
|
||||
/* You asked for it, you got it */
|
||||
begin = (unsigned long)start & ~(linesz - 1);
|
||||
end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
|
||||
|
||||
for (v = begin; v < end; v += linesz)
|
||||
dcache_invalidate_line((void *)v);
|
||||
}
|
||||
|
||||
void dcache_flush_range(volatile void *start, size_t size)
|
||||
{
|
||||
unsigned long v, begin, end, linesz;
|
||||
|
||||
linesz = CFG_DCACHE_LINESZ;
|
||||
|
||||
/* You asked for it, you got it */
|
||||
begin = (unsigned long)start & ~(linesz - 1);
|
||||
end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
|
||||
|
||||
for (v = begin; v < end; v += linesz)
|
||||
dcache_flush_line((void *)v);
|
||||
|
||||
sync_write_buffer();
|
||||
}
|
||||
|
||||
void icache_invalidate_range(volatile void *start, size_t size)
|
||||
{
|
||||
unsigned long v, begin, end, linesz;
|
||||
|
||||
linesz = CFG_ICACHE_LINESZ;
|
||||
|
||||
/* You asked for it, you got it */
|
||||
begin = (unsigned long)start & ~(linesz - 1);
|
||||
end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
|
||||
|
||||
for (v = begin; v < end; v += linesz)
|
||||
icache_invalidate_line((void *)v);
|
||||
}
|
||||
|
||||
/*
|
||||
* This is called after loading something into memory. We need to
|
||||
* make sure that everything that was loaded is actually written to
|
||||
* RAM, and that the icache will look for it. Cleaning the dcache and
|
||||
* invalidating the icache will do the trick.
|
||||
*/
|
||||
void flush_cache (unsigned long start_addr, unsigned long size)
|
||||
{
|
||||
dcache_clean_range((void *)start_addr, size);
|
||||
icache_invalidate_range((void *)start_addr, size);
|
||||
}
|
22
cpu/at32ap/config.mk
Normal file
22
cpu/at32ap/config.mk
Normal file
@@ -0,0 +1,22 @@
|
||||
#
|
||||
# Copyright (C) 2005-2006 Atmel Corporation
|
||||
#
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
#
|
||||
PLATFORM_RELFLAGS += -mcpu=ap7000
|
83
cpu/at32ap/cpu.c
Normal file
83
cpu/at32ap/cpu.c
Normal file
@@ -0,0 +1,83 @@
|
||||
/*
|
||||
* Copyright (C) 2005-2006 Atmel Corporation
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
#include <common.h>
|
||||
#include <command.h>
|
||||
|
||||
#include <asm/io.h>
|
||||
#include <asm/sections.h>
|
||||
#include <asm/sysreg.h>
|
||||
|
||||
#include <asm/arch/memory-map.h>
|
||||
#include <asm/arch/platform.h>
|
||||
|
||||
#include "hsmc3.h"
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
int cpu_init(void)
|
||||
{
|
||||
const struct device *hebi;
|
||||
extern void _evba(void);
|
||||
char *p;
|
||||
|
||||
gd->cpu_hz = CFG_OSC0_HZ;
|
||||
|
||||
/* fff03400: 00010001 04030402 00050005 10011103 */
|
||||
hebi = get_device(DEVICE_HEBI);
|
||||
hsmc3_writel(hebi, MODE0, 0x00031103);
|
||||
hsmc3_writel(hebi, CYCLE0, 0x000c000d);
|
||||
hsmc3_writel(hebi, PULSE0, 0x0b0a0906);
|
||||
hsmc3_writel(hebi, SETUP0, 0x00010002);
|
||||
|
||||
pm_init();
|
||||
|
||||
sysreg_write(EVBA, (unsigned long)&_evba);
|
||||
asm volatile("csrf %0" : : "i"(SYSREG_EM_OFFSET));
|
||||
gd->console_uart = get_device(CFG_CONSOLE_UART_DEV);
|
||||
|
||||
/* Lock everything that mess with the flash in the icache */
|
||||
for (p = __flashprog_start; p <= (__flashprog_end + CFG_ICACHE_LINESZ);
|
||||
p += CFG_ICACHE_LINESZ)
|
||||
asm volatile("cache %0, 0x02" : "=m"(*p) :: "memory");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void prepare_to_boot(void)
|
||||
{
|
||||
/* Flush both caches and the write buffer */
|
||||
asm volatile("cache %0[4], 010\n\t"
|
||||
"cache %0[0], 000\n\t"
|
||||
"sync 0" : : "r"(0) : "memory");
|
||||
}
|
||||
|
||||
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
/* This will reset the CPU core, caches, MMU and all internal busses */
|
||||
__builtin_mtdr(8, 1 << 13); /* set DC:DBE */
|
||||
__builtin_mtdr(8, 1 << 30); /* set DC:RES */
|
||||
|
||||
/* Flush the pipeline before we declare it a failure */
|
||||
asm volatile("sub pc, pc, -4");
|
||||
|
||||
return -1;
|
||||
}
|
126
cpu/at32ap/device.c
Normal file
126
cpu/at32ap/device.c
Normal file
@@ -0,0 +1,126 @@
|
||||
/*
|
||||
* Copyright (C) 2006 Atmel Corporation
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
#include <common.h>
|
||||
|
||||
#include <asm/arch/platform.h>
|
||||
|
||||
#include "sm.h"
|
||||
|
||||
struct device_state {
|
||||
int refcount;
|
||||
};
|
||||
|
||||
static struct device_state device_state[NR_DEVICES];
|
||||
|
||||
static int claim_resource(const struct resource *res)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
switch (res->type) {
|
||||
case RESOURCE_GPIO:
|
||||
ret = gpio_set_func(res->u.gpio.gpio_dev,
|
||||
res->u.gpio.start,
|
||||
res->u.gpio.nr_pins,
|
||||
res->u.gpio.func);
|
||||
break;
|
||||
case RESOURCE_CLOCK:
|
||||
ret = pm_enable_clock(res->u.clock.id, res->u.clock.index);
|
||||
break;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void free_resource(const struct resource *res)
|
||||
{
|
||||
switch (res->type) {
|
||||
case RESOURCE_GPIO:
|
||||
gpio_free(res->u.gpio.gpio_dev, res->u.gpio.start,
|
||||
res->u.gpio.nr_pins);
|
||||
break;
|
||||
case RESOURCE_CLOCK:
|
||||
pm_disable_clock(res->u.clock.id, res->u.clock.index);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static int init_dev(const struct device *dev)
|
||||
{
|
||||
unsigned int i;
|
||||
int ret = 0;
|
||||
|
||||
for (i = 0; i < dev->nr_resources; i++) {
|
||||
ret = claim_resource(&dev->resource[i]);
|
||||
if (ret)
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
cleanup:
|
||||
while (i--)
|
||||
free_resource(&dev->resource[i]);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
const struct device *get_device(enum device_id devid)
|
||||
{
|
||||
struct device_state *devstate;
|
||||
const struct device *dev;
|
||||
unsigned long flags;
|
||||
int initialized = 0;
|
||||
int ret = 0;
|
||||
|
||||
devstate = &device_state[devid];
|
||||
dev = &chip_device[devid];
|
||||
|
||||
flags = disable_interrupts();
|
||||
if (devstate->refcount++)
|
||||
initialized = 1;
|
||||
if (flags)
|
||||
enable_interrupts();
|
||||
|
||||
if (!initialized)
|
||||
ret = init_dev(dev);
|
||||
|
||||
return ret ? NULL : dev;
|
||||
}
|
||||
|
||||
void put_device(const struct device *dev)
|
||||
{
|
||||
struct device_state *devstate;
|
||||
unsigned long devid, flags;
|
||||
|
||||
devid = (unsigned long)(dev - chip_device) / sizeof(struct device);
|
||||
devstate = &device_state[devid];
|
||||
|
||||
flags = disable_interrupts();
|
||||
devstate--;
|
||||
if (!devstate) {
|
||||
unsigned int i;
|
||||
for (i = 0; i < dev->nr_resources; i++)
|
||||
free_resource(&dev->resource[i]);
|
||||
}
|
||||
if (flags)
|
||||
enable_interrupts();
|
||||
}
|
65
cpu/at32ap/entry.S
Normal file
65
cpu/at32ap/entry.S
Normal file
@@ -0,0 +1,65 @@
|
||||
/*
|
||||
* Copyright (C) 2004-2006 Atmel Corporation
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
#include <asm/sysreg.h>
|
||||
#include <asm/ptrace.h>
|
||||
|
||||
.section .text.exception,"ax"
|
||||
.global _evba
|
||||
.type _evba,@function
|
||||
.align 10
|
||||
_evba:
|
||||
.irp x,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
|
||||
.align 2
|
||||
rjmp unknown_exception
|
||||
.endr
|
||||
|
||||
.global timer_interrupt_handler
|
||||
.type timer_interrupt_handler,@function
|
||||
.align 2
|
||||
timer_interrupt_handler:
|
||||
/*
|
||||
* Increment timer_overflow and re-write COMPARE with 0xffffffff.
|
||||
*
|
||||
* We're running at interrupt level 3, so we don't need to save
|
||||
* r8-r12 or lr to the stack.
|
||||
*/
|
||||
mov r8, lo(timer_overflow)
|
||||
orh r8, hi(timer_overflow)
|
||||
ld.w r9, r8[0]
|
||||
mov r10, -1
|
||||
mtsr SYSREG_COMPARE, r10
|
||||
sub r9, -1
|
||||
st.w r8[0], r9
|
||||
rete
|
||||
|
||||
.type unknown_exception, @function
|
||||
unknown_exception:
|
||||
pushm r0-r12
|
||||
sub r8, sp, REG_R12 - REG_R0 - 4
|
||||
mov r9, lr
|
||||
mfsr r10, SYSREG_RAR_EX
|
||||
mfsr r11, SYSREG_RSR_EX
|
||||
pushm r8-r11
|
||||
mfsr r12, SYSREG_ECR
|
||||
mov r11, sp
|
||||
rcall do_unknown_exception
|
||||
1: rjmp 1b
|
119
cpu/at32ap/exception.c
Normal file
119
cpu/at32ap/exception.c
Normal file
@@ -0,0 +1,119 @@
|
||||
/*
|
||||
* Copyright (C) 2005-2006 Atmel Corporation
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
#include <common.h>
|
||||
|
||||
#include <asm/sysreg.h>
|
||||
#include <asm/ptrace.h>
|
||||
|
||||
static const char * const cpu_modes[8] = {
|
||||
"Application", "Supervisor", "Interrupt level 0", "Interrupt level 1",
|
||||
"Interrupt level 2", "Interrupt level 3", "Exception", "NMI"
|
||||
};
|
||||
|
||||
static void dump_mem(const char *str, unsigned long bottom, unsigned long top)
|
||||
{
|
||||
unsigned long p;
|
||||
int i;
|
||||
|
||||
printf("%s(0x%08lx to 0x%08lx)\n", str, bottom, top);
|
||||
|
||||
for (p = bottom & ~31; p < top; ) {
|
||||
printf("%04lx: ", p & 0xffff);
|
||||
|
||||
for (i = 0; i < 8; i++, p += 4) {
|
||||
unsigned int val;
|
||||
|
||||
if (p < bottom || p >= top)
|
||||
printf(" ");
|
||||
else {
|
||||
val = *(unsigned long *)p;
|
||||
printf("%08x ", val);
|
||||
}
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
}
|
||||
|
||||
void do_unknown_exception(unsigned int ecr, struct pt_regs *regs)
|
||||
{
|
||||
unsigned int mode;
|
||||
|
||||
printf("\n *** Unhandled exception %u at PC=0x%08lx\n", ecr, regs->pc);
|
||||
|
||||
switch (ecr) {
|
||||
case ECR_BUS_ERROR_WRITE:
|
||||
case ECR_BUS_ERROR_READ:
|
||||
printf("Bus error at address 0x%08lx\n",
|
||||
sysreg_read(BEAR));
|
||||
break;
|
||||
case ECR_TLB_MULTIPLE:
|
||||
case ECR_ADDR_ALIGN_X:
|
||||
case ECR_PROTECTION_X:
|
||||
case ECR_ADDR_ALIGN_R:
|
||||
case ECR_ADDR_ALIGN_W:
|
||||
case ECR_PROTECTION_R:
|
||||
case ECR_PROTECTION_W:
|
||||
case ECR_DTLB_MODIFIED:
|
||||
case ECR_TLB_MISS_X:
|
||||
case ECR_TLB_MISS_R:
|
||||
case ECR_TLB_MISS_W:
|
||||
printf("MMU exception at address 0x%08lx\n",
|
||||
sysreg_read(TLBEAR));
|
||||
break;
|
||||
}
|
||||
|
||||
printf(" pc: %08lx lr: %08lx sp: %08lx r12: %08lx\n",
|
||||
regs->pc, regs->lr, regs->sp, regs->r12);
|
||||
printf(" r11: %08lx r10: %08lx r9: %08lx r8: %08lx\n",
|
||||
regs->r11, regs->r10, regs->r9, regs->r8);
|
||||
printf(" r7: %08lx r6: %08lx r5: %08lx r4: %08lx\n",
|
||||
regs->r7, regs->r6, regs->r5, regs->r4);
|
||||
printf(" r3: %08lx r2: %08lx r1: %08lx r0: %08lx\n",
|
||||
regs->r3, regs->r2, regs->r1, regs->r0);
|
||||
printf("Flags: %c%c%c%c%c\n",
|
||||
regs->sr & SR_Q ? 'Q' : 'q',
|
||||
regs->sr & SR_V ? 'V' : 'v',
|
||||
regs->sr & SR_N ? 'N' : 'n',
|
||||
regs->sr & SR_Z ? 'Z' : 'z',
|
||||
regs->sr & SR_C ? 'C' : 'c');
|
||||
printf("Mode bits: %c%c%c%c%c%c%c%c%c\n",
|
||||
regs->sr & SR_H ? 'H' : 'h',
|
||||
regs->sr & SR_R ? 'R' : 'r',
|
||||
regs->sr & SR_J ? 'J' : 'j',
|
||||
regs->sr & SR_EM ? 'E' : 'e',
|
||||
regs->sr & SR_I3M ? '3' : '.',
|
||||
regs->sr & SR_I2M ? '2' : '.',
|
||||
regs->sr & SR_I1M ? '1' : '.',
|
||||
regs->sr & SR_I0M ? '0' : '.',
|
||||
regs->sr & SR_GM ? 'G' : 'g');
|
||||
mode = (regs->sr >> SYSREG_M0_OFFSET) & 7;
|
||||
printf("CPU Mode: %s\n", cpu_modes[mode]);
|
||||
|
||||
/* Avoid exception loops */
|
||||
if (regs->sp >= CFG_INIT_SP_ADDR
|
||||
|| regs->sp < (CFG_INIT_SP_ADDR - CONFIG_STACKSIZE))
|
||||
printf("\nStack pointer seems bogus, won't do stack dump\n");
|
||||
else
|
||||
dump_mem("\nStack: ", regs->sp, CFG_INIT_SP_ADDR);
|
||||
|
||||
panic("Unhandled exception\n");
|
||||
}
|
155
cpu/at32ap/hsdramc.c
Normal file
155
cpu/at32ap/hsdramc.c
Normal file
@@ -0,0 +1,155 @@
|
||||
/*
|
||||
* Copyright (C) 2005-2006 Atmel Corporation
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
#include <common.h>
|
||||
|
||||
#ifdef CFG_HSDRAMC
|
||||
#include <asm/io.h>
|
||||
#include <asm/sdram.h>
|
||||
|
||||
#include <asm/arch/platform.h>
|
||||
|
||||
#include "hsdramc1.h"
|
||||
|
||||
struct hsdramc {
|
||||
const struct device *hebi;
|
||||
void *regs;
|
||||
};
|
||||
|
||||
static struct hsdramc hsdramc;
|
||||
|
||||
unsigned long sdram_init(const struct sdram_info *info)
|
||||
{
|
||||
unsigned long *sdram = (unsigned long *)uncached(info->phys_addr);
|
||||
unsigned long sdram_size;
|
||||
unsigned long tmp;
|
||||
unsigned long bus_hz;
|
||||
unsigned int i;
|
||||
|
||||
hsdramc.hebi = get_device(DEVICE_HEBI);
|
||||
if (!hsdramc.hebi)
|
||||
return 0;
|
||||
|
||||
/* FIXME: Both of these lines are complete hacks */
|
||||
hsdramc.regs = hsdramc.hebi->regs + 0x400;
|
||||
bus_hz = pm_get_clock_freq(hsdramc.hebi->resource[0].u.clock.id);
|
||||
|
||||
cpu_enable_sdram();
|
||||
|
||||
tmp = (HSDRAMC1_BF(NC, info->col_bits - 8)
|
||||
| HSDRAMC1_BF(NR, info->row_bits - 11)
|
||||
| HSDRAMC1_BF(NB, info->bank_bits - 1)
|
||||
| HSDRAMC1_BF(CAS, info->cas)
|
||||
| HSDRAMC1_BF(TWR, info->twr)
|
||||
| HSDRAMC1_BF(TRC, info->trc)
|
||||
| HSDRAMC1_BF(TRP, info->trp)
|
||||
| HSDRAMC1_BF(TRCD, info->trcd)
|
||||
| HSDRAMC1_BF(TRAS, info->tras)
|
||||
| HSDRAMC1_BF(TXSR, info->txsr));
|
||||
|
||||
#ifdef CFG_SDRAM_16BIT
|
||||
tmp |= HSDRAMC1_BIT(DBW);
|
||||
sdram_size = 1 << (info->row_bits + info->col_bits
|
||||
+ info->bank_bits + 1);
|
||||
#else
|
||||
sdram_size = 1 << (info->row_bits + info->col_bits
|
||||
+ info->bank_bits + 2);
|
||||
#endif
|
||||
|
||||
hsdramc1_writel(&hsdramc, CR, tmp);
|
||||
|
||||
/*
|
||||
* Initialization sequence for SDRAM, from the data sheet:
|
||||
*
|
||||
* 1. A minimum pause of 200 us is provided to precede any
|
||||
* signal toggle.
|
||||
*/
|
||||
udelay(200);
|
||||
|
||||
/*
|
||||
* 2. A Precharge All command is issued to the SDRAM
|
||||
*/
|
||||
hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_BANKS_PRECHARGE);
|
||||
hsdramc1_readl(&hsdramc, MR);
|
||||
writel(0, sdram);
|
||||
|
||||
/*
|
||||
* 3. Eight auto-refresh (CBR) cycles are provided
|
||||
*/
|
||||
hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_AUTO_REFRESH);
|
||||
hsdramc1_readl(&hsdramc, MR);
|
||||
for (i = 0; i < 8; i++)
|
||||
writel(0, sdram);
|
||||
|
||||
/*
|
||||
* 4. A mode register set (MRS) cycle is issued to program
|
||||
* SDRAM parameters, in particular CAS latency and burst
|
||||
* length.
|
||||
*
|
||||
* CAS from info struct, burst length 1, serial burst type
|
||||
*/
|
||||
hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_LOAD_MODE);
|
||||
hsdramc1_readl(&hsdramc, MR);
|
||||
writel(0, sdram + (info->cas << 4));
|
||||
|
||||
/*
|
||||
* 5. A Normal Mode command is provided, 3 clocks after tMRD
|
||||
* is met.
|
||||
*
|
||||
* From the timing diagram, it looks like tMRD is 3
|
||||
* cycles...try a dummy read from the peripheral bus.
|
||||
*/
|
||||
hsdramc1_readl(&hsdramc, MR);
|
||||
hsdramc1_writel(&hsdramc, MR, HSDRAMC1_MODE_NORMAL);
|
||||
hsdramc1_readl(&hsdramc, MR);
|
||||
writel(0, sdram);
|
||||
|
||||
/*
|
||||
* 6. Write refresh rate into SDRAMC refresh timer count
|
||||
* register (refresh rate = timing between refresh cycles).
|
||||
*
|
||||
* 15.6 us is a typical value for a burst of length one
|
||||
*/
|
||||
hsdramc1_writel(&hsdramc, TR, (156 * (bus_hz / 1000)) / 10000);
|
||||
|
||||
printf("SDRAM: %u MB at address 0x%08lx\n",
|
||||
sdram_size >> 20, info->phys_addr);
|
||||
|
||||
printf("Testing SDRAM...");
|
||||
for (i = 0; i < sdram_size / 4; i++)
|
||||
sdram[i] = i;
|
||||
|
||||
for (i = 0; i < sdram_size / 4; i++) {
|
||||
tmp = sdram[i];
|
||||
if (tmp != i) {
|
||||
printf("FAILED at address 0x%08lx\n",
|
||||
info->phys_addr + i * 4);
|
||||
printf("SDRAM: read 0x%lx, expected 0x%lx\n", tmp, i);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
puts("OK\n");
|
||||
|
||||
return sdram_size;
|
||||
}
|
||||
|
||||
#endif /* CFG_HSDRAMC */
|
143
cpu/at32ap/hsdramc1.h
Normal file
143
cpu/at32ap/hsdramc1.h
Normal file
@@ -0,0 +1,143 @@
|
||||
/*
|
||||
* Register definitions for SDRAM Controller
|
||||
*/
|
||||
#ifndef __ASM_AVR32_HSDRAMC1_H__
|
||||
#define __ASM_AVR32_HSDRAMC1_H__
|
||||
|
||||
/* HSDRAMC1 register offsets */
|
||||
#define HSDRAMC1_MR 0x0000
|
||||
#define HSDRAMC1_TR 0x0004
|
||||
#define HSDRAMC1_CR 0x0008
|
||||
#define HSDRAMC1_HSR 0x000c
|
||||
#define HSDRAMC1_LPR 0x0010
|
||||
#define HSDRAMC1_IER 0x0014
|
||||
#define HSDRAMC1_IDR 0x0018
|
||||
#define HSDRAMC1_IMR 0x001c
|
||||
#define HSDRAMC1_ISR 0x0020
|
||||
#define HSDRAMC1_MDR 0x0024
|
||||
#define HSDRAMC1_VERSION 0x00fc
|
||||
|
||||
/* Bitfields in MR */
|
||||
#define HSDRAMC1_MODE_OFFSET 0
|
||||
#define HSDRAMC1_MODE_SIZE 3
|
||||
|
||||
/* Bitfields in TR */
|
||||
#define HSDRAMC1_COUNT_OFFSET 0
|
||||
#define HSDRAMC1_COUNT_SIZE 12
|
||||
|
||||
/* Bitfields in CR */
|
||||
#define HSDRAMC1_NC_OFFSET 0
|
||||
#define HSDRAMC1_NC_SIZE 2
|
||||
#define HSDRAMC1_NR_OFFSET 2
|
||||
#define HSDRAMC1_NR_SIZE 2
|
||||
#define HSDRAMC1_NB_OFFSET 4
|
||||
#define HSDRAMC1_NB_SIZE 1
|
||||
#define HSDRAMC1_CAS_OFFSET 5
|
||||
#define HSDRAMC1_CAS_SIZE 2
|
||||
#define HSDRAMC1_DBW_OFFSET 7
|
||||
#define HSDRAMC1_DBW_SIZE 1
|
||||
#define HSDRAMC1_TWR_OFFSET 8
|
||||
#define HSDRAMC1_TWR_SIZE 4
|
||||
#define HSDRAMC1_TRC_OFFSET 12
|
||||
#define HSDRAMC1_TRC_SIZE 4
|
||||
#define HSDRAMC1_TRP_OFFSET 16
|
||||
#define HSDRAMC1_TRP_SIZE 4
|
||||
#define HSDRAMC1_TRCD_OFFSET 20
|
||||
#define HSDRAMC1_TRCD_SIZE 4
|
||||
#define HSDRAMC1_TRAS_OFFSET 24
|
||||
#define HSDRAMC1_TRAS_SIZE 4
|
||||
#define HSDRAMC1_TXSR_OFFSET 28
|
||||
#define HSDRAMC1_TXSR_SIZE 4
|
||||
|
||||
/* Bitfields in HSR */
|
||||
#define HSDRAMC1_DA_OFFSET 0
|
||||
#define HSDRAMC1_DA_SIZE 1
|
||||
|
||||
/* Bitfields in LPR */
|
||||
#define HSDRAMC1_LPCB_OFFSET 0
|
||||
#define HSDRAMC1_LPCB_SIZE 2
|
||||
#define HSDRAMC1_PASR_OFFSET 4
|
||||
#define HSDRAMC1_PASR_SIZE 3
|
||||
#define HSDRAMC1_TCSR_OFFSET 8
|
||||
#define HSDRAMC1_TCSR_SIZE 2
|
||||
#define HSDRAMC1_DS_OFFSET 10
|
||||
#define HSDRAMC1_DS_SIZE 2
|
||||
#define HSDRAMC1_TIMEOUT_OFFSET 12
|
||||
#define HSDRAMC1_TIMEOUT_SIZE 2
|
||||
|
||||
/* Bitfields in IDR */
|
||||
#define HSDRAMC1_RES_OFFSET 0
|
||||
#define HSDRAMC1_RES_SIZE 1
|
||||
|
||||
/* Bitfields in MDR */
|
||||
#define HSDRAMC1_MD_OFFSET 0
|
||||
#define HSDRAMC1_MD_SIZE 2
|
||||
|
||||
/* Bitfields in VERSION */
|
||||
#define HSDRAMC1_VERSION_OFFSET 0
|
||||
#define HSDRAMC1_VERSION_SIZE 12
|
||||
#define HSDRAMC1_MFN_OFFSET 16
|
||||
#define HSDRAMC1_MFN_SIZE 3
|
||||
|
||||
/* Constants for MODE */
|
||||
#define HSDRAMC1_MODE_NORMAL 0
|
||||
#define HSDRAMC1_MODE_NOP 1
|
||||
#define HSDRAMC1_MODE_BANKS_PRECHARGE 2
|
||||
#define HSDRAMC1_MODE_LOAD_MODE 3
|
||||
#define HSDRAMC1_MODE_AUTO_REFRESH 4
|
||||
#define HSDRAMC1_MODE_EXT_LOAD_MODE 5
|
||||
#define HSDRAMC1_MODE_POWER_DOWN 6
|
||||
|
||||
/* Constants for NC */
|
||||
#define HSDRAMC1_NC_8_COLUMN_BITS 0
|
||||
#define HSDRAMC1_NC_9_COLUMN_BITS 1
|
||||
#define HSDRAMC1_NC_10_COLUMN_BITS 2
|
||||
#define HSDRAMC1_NC_11_COLUMN_BITS 3
|
||||
|
||||
/* Constants for NR */
|
||||
#define HSDRAMC1_NR_11_ROW_BITS 0
|
||||
#define HSDRAMC1_NR_12_ROW_BITS 1
|
||||
#define HSDRAMC1_NR_13_ROW_BITS 2
|
||||
|
||||
/* Constants for NB */
|
||||
#define HSDRAMC1_NB_TWO_BANKS 0
|
||||
#define HSDRAMC1_NB_FOUR_BANKS 1
|
||||
|
||||
/* Constants for CAS */
|
||||
#define HSDRAMC1_CAS_ONE_CYCLE 1
|
||||
#define HSDRAMC1_CAS_TWO_CYCLES 2
|
||||
|
||||
/* Constants for DBW */
|
||||
#define HSDRAMC1_DBW_32_BITS 0
|
||||
#define HSDRAMC1_DBW_16_BITS 1
|
||||
|
||||
/* Constants for TIMEOUT */
|
||||
#define HSDRAMC1_TIMEOUT_AFTER_END 0
|
||||
#define HSDRAMC1_TIMEOUT_64_CYC_AFTER_END 1
|
||||
#define HSDRAMC1_TIMEOUT_128_CYC_AFTER_END 2
|
||||
|
||||
/* Constants for MD */
|
||||
#define HSDRAMC1_MD_SDRAM 0
|
||||
#define HSDRAMC1_MD_LOW_POWER_SDRAM 1
|
||||
|
||||
/* Bit manipulation macros */
|
||||
#define HSDRAMC1_BIT(name) \
|
||||
(1 << HSDRAMC1_##name##_OFFSET)
|
||||
#define HSDRAMC1_BF(name,value) \
|
||||
(((value) & ((1 << HSDRAMC1_##name##_SIZE) - 1)) \
|
||||
<< HSDRAMC1_##name##_OFFSET)
|
||||
#define HSDRAMC1_BFEXT(name,value) \
|
||||
(((value) >> HSDRAMC1_##name##_OFFSET) \
|
||||
& ((1 << HSDRAMC1_##name##_SIZE) - 1))
|
||||
#define HSDRAMC1_BFINS(name,value,old) \
|
||||
(((old) & ~(((1 << HSDRAMC1_##name##_SIZE) - 1) \
|
||||
<< HSDRAMC1_##name##_OFFSET)) \
|
||||
| HSDRAMC1_BF(name,value))
|
||||
|
||||
/* Register access macros */
|
||||
#define hsdramc1_readl(port,reg) \
|
||||
readl((port)->regs + HSDRAMC1_##reg)
|
||||
#define hsdramc1_writel(port,reg,value) \
|
||||
writel((value), (port)->regs + HSDRAMC1_##reg)
|
||||
|
||||
#endif /* __ASM_AVR32_HSDRAMC1_H__ */
|
126
cpu/at32ap/hsmc3.h
Normal file
126
cpu/at32ap/hsmc3.h
Normal file
@@ -0,0 +1,126 @@
|
||||
/*
|
||||
* Register definitions for Static Memory Controller
|
||||
*/
|
||||
#ifndef __CPU_AT32AP_HSMC3_H__
|
||||
#define __CPU_AT32AP_HSMC3_H__
|
||||
|
||||
/* HSMC3 register offsets */
|
||||
#define HSMC3_SETUP0 0x0000
|
||||
#define HSMC3_PULSE0 0x0004
|
||||
#define HSMC3_CYCLE0 0x0008
|
||||
#define HSMC3_MODE0 0x000c
|
||||
#define HSMC3_SETUP1 0x0010
|
||||
#define HSMC3_PULSE1 0x0014
|
||||
#define HSMC3_CYCLE1 0x0018
|
||||
#define HSMC3_MODE1 0x001c
|
||||
#define HSMC3_SETUP2 0x0020
|
||||
#define HSMC3_PULSE2 0x0024
|
||||
#define HSMC3_CYCLE2 0x0028
|
||||
#define HSMC3_MODE2 0x002c
|
||||
#define HSMC3_SETUP3 0x0030
|
||||
#define HSMC3_PULSE3 0x0034
|
||||
#define HSMC3_CYCLE3 0x0038
|
||||
#define HSMC3_MODE3 0x003c
|
||||
#define HSMC3_SETUP4 0x0040
|
||||
#define HSMC3_PULSE4 0x0044
|
||||
#define HSMC3_CYCLE4 0x0048
|
||||
#define HSMC3_MODE4 0x004c
|
||||
#define HSMC3_SETUP5 0x0050
|
||||
#define HSMC3_PULSE5 0x0054
|
||||
#define HSMC3_CYCLE5 0x0058
|
||||
#define HSMC3_MODE5 0x005c
|
||||
|
||||
/* Bitfields in SETUP0 */
|
||||
#define HSMC3_NWE_SETUP_OFFSET 0
|
||||
#define HSMC3_NWE_SETUP_SIZE 6
|
||||
#define HSMC3_NCS_WR_SETUP_OFFSET 8
|
||||
#define HSMC3_NCS_WR_SETUP_SIZE 6
|
||||
#define HSMC3_NRD_SETUP_OFFSET 16
|
||||
#define HSMC3_NRD_SETUP_SIZE 6
|
||||
#define HSMC3_NCS_RD_SETUP_OFFSET 24
|
||||
#define HSMC3_NCS_RD_SETUP_SIZE 6
|
||||
|
||||
/* Bitfields in PULSE0 */
|
||||
#define HSMC3_NWE_PULSE_OFFSET 0
|
||||
#define HSMC3_NWE_PULSE_SIZE 7
|
||||
#define HSMC3_NCS_WR_PULSE_OFFSET 8
|
||||
#define HSMC3_NCS_WR_PULSE_SIZE 7
|
||||
#define HSMC3_NRD_PULSE_OFFSET 16
|
||||
#define HSMC3_NRD_PULSE_SIZE 7
|
||||
#define HSMC3_NCS_RD_PULSE_OFFSET 24
|
||||
#define HSMC3_NCS_RD_PULSE_SIZE 7
|
||||
|
||||
/* Bitfields in CYCLE0 */
|
||||
#define HSMC3_NWE_CYCLE_OFFSET 0
|
||||
#define HSMC3_NWE_CYCLE_SIZE 9
|
||||
#define HSMC3_NRD_CYCLE_OFFSET 16
|
||||
#define HSMC3_NRD_CYCLE_SIZE 9
|
||||
|
||||
/* Bitfields in MODE0 */
|
||||
#define HSMC3_READ_MODE_OFFSET 0
|
||||
#define HSMC3_READ_MODE_SIZE 1
|
||||
#define HSMC3_WRITE_MODE_OFFSET 1
|
||||
#define HSMC3_WRITE_MODE_SIZE 1
|
||||
#define HSMC3_EXNW_MODE_OFFSET 4
|
||||
#define HSMC3_EXNW_MODE_SIZE 2
|
||||
#define HSMC3_BAT_OFFSET 8
|
||||
#define HSMC3_BAT_SIZE 1
|
||||
#define HSMC3_DBW_OFFSET 12
|
||||
#define HSMC3_DBW_SIZE 2
|
||||
#define HSMC3_TDF_CYCLES_OFFSET 16
|
||||
#define HSMC3_TDF_CYCLES_SIZE 4
|
||||
#define HSMC3_TDF_MODE_OFFSET 20
|
||||
#define HSMC3_TDF_MODE_SIZE 1
|
||||
#define HSMC3_PMEN_OFFSET 24
|
||||
#define HSMC3_PMEN_SIZE 1
|
||||
#define HSMC3_PS_OFFSET 28
|
||||
#define HSMC3_PS_SIZE 2
|
||||
|
||||
/* Bitfields in MODE1 */
|
||||
#define HSMC3_PD_OFFSET 28
|
||||
#define HSMC3_PD_SIZE 2
|
||||
|
||||
/* Constants for READ_MODE */
|
||||
#define HSMC3_READ_MODE_NCS_CONTROLLED 0
|
||||
#define HSMC3_READ_MODE_NRD_CONTROLLED 1
|
||||
|
||||
/* Constants for WRITE_MODE */
|
||||
#define HSMC3_WRITE_MODE_NCS_CONTROLLED 0
|
||||
#define HSMC3_WRITE_MODE_NWE_CONTROLLED 1
|
||||
|
||||
/* Constants for EXNW_MODE */
|
||||
#define HSMC3_EXNW_MODE_DISABLED 0
|
||||
#define HSMC3_EXNW_MODE_RESERVED 1
|
||||
#define HSMC3_EXNW_MODE_FROZEN 2
|
||||
#define HSMC3_EXNW_MODE_READY 3
|
||||
|
||||
/* Constants for BAT */
|
||||
#define HSMC3_BAT_BYTE_SELECT 0
|
||||
#define HSMC3_BAT_BYTE_WRITE 1
|
||||
|
||||
/* Constants for DBW */
|
||||
#define HSMC3_DBW_8_BITS 0
|
||||
#define HSMC3_DBW_16_BITS 1
|
||||
#define HSMC3_DBW_32_BITS 2
|
||||
|
||||
/* Bit manipulation macros */
|
||||
#define HSMC3_BIT(name) \
|
||||
(1 << HSMC3_##name##_OFFSET)
|
||||
#define HSMC3_BF(name,value) \
|
||||
(((value) & ((1 << HSMC3_##name##_SIZE) - 1)) \
|
||||
<< HSMC3_##name##_OFFSET)
|
||||
#define HSMC3_BFEXT(name,value) \
|
||||
(((value) >> HSMC3_##name##_OFFSET) \
|
||||
& ((1 << HSMC3_##name##_SIZE) - 1))
|
||||
#define HSMC3_BFINS(name,value,old)\
|
||||
(((old) & ~(((1 << HSMC3_##name##_SIZE) - 1) \
|
||||
<< HSMC3_##name##_OFFSET)) \
|
||||
| HSMC3_BF(name,value))
|
||||
|
||||
/* Register access macros */
|
||||
#define hsmc3_readl(port,reg) \
|
||||
readl((port)->regs + HSMC3_##reg)
|
||||
#define hsmc3_writel(port,reg,value) \
|
||||
writel((value), (port)->regs + HSMC3_##reg)
|
||||
|
||||
#endif /* __CPU_AT32AP_HSMC3_H__ */
|
154
cpu/at32ap/interrupts.c
Normal file
154
cpu/at32ap/interrupts.c
Normal file
@@ -0,0 +1,154 @@
|
||||
/*
|
||||
* Copyright (C) 2004-2006 Atmel Corporation
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
#include <common.h>
|
||||
|
||||
#include <asm/div64.h>
|
||||
#include <asm/errno.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/processor.h>
|
||||
#include <asm/sysreg.h>
|
||||
|
||||
#include <asm/arch/platform.h>
|
||||
|
||||
#define HANDLER_MASK 0x00ffffff
|
||||
#define INTLEV_SHIFT 30
|
||||
#define INTLEV_MASK 0x00000003
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
/* Incremented whenever COUNT reaches 0xffffffff by timer_interrupt_handler */
|
||||
volatile unsigned long timer_overflow;
|
||||
|
||||
/*
|
||||
* Instead of dividing by get_tbclk(), multiply by this constant and
|
||||
* right-shift the result by 32 bits.
|
||||
*/
|
||||
static unsigned long tb_factor;
|
||||
|
||||
static const struct device *intc_dev;
|
||||
|
||||
unsigned long get_tbclk(void)
|
||||
{
|
||||
return gd->cpu_hz;
|
||||
}
|
||||
|
||||
unsigned long long get_ticks(void)
|
||||
{
|
||||
unsigned long lo, hi_now, hi_prev;
|
||||
|
||||
do {
|
||||
hi_prev = timer_overflow;
|
||||
lo = sysreg_read(COUNT);
|
||||
hi_now = timer_overflow;
|
||||
} while (hi_prev != hi_now);
|
||||
|
||||
return ((unsigned long long)hi_now << 32) | lo;
|
||||
}
|
||||
|
||||
void reset_timer(void)
|
||||
{
|
||||
sysreg_write(COUNT, 0);
|
||||
cpu_sync_pipeline(); /* process any pending interrupts */
|
||||
timer_overflow = 0;
|
||||
}
|
||||
|
||||
unsigned long get_timer(unsigned long base)
|
||||
{
|
||||
u64 now = get_ticks();
|
||||
|
||||
now *= tb_factor;
|
||||
return (unsigned long)(now >> 32) - base;
|
||||
}
|
||||
|
||||
void set_timer(unsigned long t)
|
||||
{
|
||||
unsigned long long ticks = t;
|
||||
unsigned long lo, hi, hi_new;
|
||||
|
||||
ticks = (ticks * get_tbclk()) / CFG_HZ;
|
||||
hi = ticks >> 32;
|
||||
lo = ticks & 0xffffffffUL;
|
||||
|
||||
do {
|
||||
timer_overflow = hi;
|
||||
sysreg_write(COUNT, lo);
|
||||
hi_new = timer_overflow;
|
||||
} while (hi_new != hi);
|
||||
}
|
||||
|
||||
/*
|
||||
* For short delays only. It will overflow after a few seconds.
|
||||
*/
|
||||
void udelay(unsigned long usec)
|
||||
{
|
||||
unsigned long now, end;
|
||||
|
||||
now = sysreg_read(COUNT);
|
||||
|
||||
end = ((usec * (get_tbclk() / 10000)) + 50) / 100;
|
||||
end += now;
|
||||
|
||||
while (now > end)
|
||||
now = sysreg_read(COUNT);
|
||||
|
||||
while (now < end)
|
||||
now = sysreg_read(COUNT);
|
||||
}
|
||||
|
||||
static int set_interrupt_handler(unsigned int nr, void (*handler)(void),
|
||||
unsigned int priority)
|
||||
{
|
||||
unsigned long intpr;
|
||||
unsigned long handler_addr = (unsigned long)handler;
|
||||
|
||||
if ((handler_addr & HANDLER_MASK) != handler_addr
|
||||
|| (priority & INTLEV_MASK) != priority)
|
||||
return -EINVAL;
|
||||
|
||||
intpr = (handler_addr & HANDLER_MASK);
|
||||
intpr |= (priority & INTLEV_MASK) << INTLEV_SHIFT;
|
||||
writel(intpr, intc_dev->regs + 4 * nr);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void timer_init(void)
|
||||
{
|
||||
extern void timer_interrupt_handler(void);
|
||||
u64 tmp;
|
||||
|
||||
sysreg_write(COUNT, 0);
|
||||
|
||||
tmp = (u64)CFG_HZ << 32;
|
||||
tmp += gd->cpu_hz / 2;
|
||||
do_div(tmp, gd->cpu_hz);
|
||||
tb_factor = (u32)tmp;
|
||||
|
||||
intc_dev = get_device(DEVICE_INTC);
|
||||
|
||||
if (!intc_dev
|
||||
|| set_interrupt_handler(0, &timer_interrupt_handler, 3))
|
||||
return;
|
||||
|
||||
/* For all practical purposes, this gives us an overflow interrupt */
|
||||
sysreg_write(COMPARE, 0xffffffff);
|
||||
}
|
94
cpu/at32ap/pio.c
Normal file
94
cpu/at32ap/pio.c
Normal file
@@ -0,0 +1,94 @@
|
||||
/*
|
||||
* Copyright (C) 2006 Atmel Corporation
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
#include <common.h>
|
||||
|
||||
#include <asm/errno.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/arch/platform.h>
|
||||
|
||||
#include "pio2.h"
|
||||
|
||||
struct pio_state {
|
||||
const struct device *dev;
|
||||
u32 alloc_mask;
|
||||
};
|
||||
|
||||
static struct pio_state pio_state[CFG_NR_PIOS];
|
||||
|
||||
int gpio_set_func(enum device_id gpio_devid, unsigned int start,
|
||||
unsigned int nr_pins, enum gpio_func func)
|
||||
{
|
||||
const struct device *gpio;
|
||||
struct pio_state *state;
|
||||
u32 mask;
|
||||
|
||||
state = &pio_state[gpio_devid - DEVICE_PIOA];
|
||||
|
||||
gpio = get_device(gpio_devid);
|
||||
if (!gpio)
|
||||
return -EBUSY;
|
||||
|
||||
state->dev = gpio;
|
||||
mask = ((1 << nr_pins) - 1) << start;
|
||||
|
||||
if (mask & state->alloc_mask) {
|
||||
put_device(gpio);
|
||||
return -EBUSY;
|
||||
}
|
||||
state->alloc_mask |= mask;
|
||||
|
||||
switch (func) {
|
||||
case GPIO_FUNC_GPIO:
|
||||
/* TODO */
|
||||
return -EINVAL;
|
||||
case GPIO_FUNC_A:
|
||||
pio2_writel(gpio, ASR, mask);
|
||||
pio2_writel(gpio, PDR, mask);
|
||||
pio2_writel(gpio, PUDR, mask);
|
||||
break;
|
||||
case GPIO_FUNC_B:
|
||||
pio2_writel(gpio, BSR, mask);
|
||||
pio2_writel(gpio, PDR, mask);
|
||||
pio2_writel(gpio, PUDR, mask);
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void gpio_free(enum device_id gpio_devid, unsigned int start,
|
||||
unsigned int nr_pins)
|
||||
{
|
||||
const struct device *gpio;
|
||||
struct pio_state *state;
|
||||
u32 mask;
|
||||
|
||||
state = &pio_state[gpio_devid - DEVICE_PIOA];
|
||||
gpio = state->dev;
|
||||
mask = ((1 << nr_pins) - 1) << start;
|
||||
|
||||
pio2_writel(gpio, ODR, mask);
|
||||
pio2_writel(gpio, PER, mask);
|
||||
|
||||
state->alloc_mask &= ~mask;
|
||||
put_device(gpio);
|
||||
}
|
44
cpu/at32ap/pio2.h
Normal file
44
cpu/at32ap/pio2.h
Normal file
@@ -0,0 +1,44 @@
|
||||
/*
|
||||
* Register definitions for Parallel Input/Output Controller
|
||||
*/
|
||||
#ifndef __CPU_AT32AP_PIO2_H__
|
||||
#define __CPU_AT32AP_PIO2_H__
|
||||
|
||||
/* PIO2 register offsets */
|
||||
#define PIO2_PER 0x0000
|
||||
#define PIO2_PDR 0x0004
|
||||
#define PIO2_PSR 0x0008
|
||||
#define PIO2_OER 0x0010
|
||||
#define PIO2_ODR 0x0014
|
||||
#define PIO2_OSR 0x0018
|
||||
#define PIO2_IFER 0x0020
|
||||
#define PIO2_IFDR 0x0024
|
||||
#define PIO2_ISFR 0x0028
|
||||
#define PIO2_SODR 0x0030
|
||||
#define PIO2_CODR 0x0034
|
||||
#define PIO2_ODSR 0x0038
|
||||
#define PIO2_PDSR 0x003c
|
||||
#define PIO2_IER 0x0040
|
||||
#define PIO2_IDR 0x0044
|
||||
#define PIO2_IMR 0x0048
|
||||
#define PIO2_ISR 0x004c
|
||||
#define PIO2_MDER 0x0050
|
||||
#define PIO2_MDDR 0x0054
|
||||
#define PIO2_MDSR 0x0058
|
||||
#define PIO2_PUDR 0x0060
|
||||
#define PIO2_PUER 0x0064
|
||||
#define PIO2_PUSR 0x0068
|
||||
#define PIO2_ASR 0x0070
|
||||
#define PIO2_BSR 0x0074
|
||||
#define PIO2_ABSR 0x0078
|
||||
#define PIO2_OWER 0x00a0
|
||||
#define PIO2_OWDR 0x00a4
|
||||
#define PIO2_OWSR 0x00a8
|
||||
|
||||
/* Register access macros */
|
||||
#define pio2_readl(port,reg) \
|
||||
readl((port)->regs + PIO2_##reg)
|
||||
#define pio2_writel(port,reg,value) \
|
||||
writel((value), (port)->regs + PIO2_##reg)
|
||||
|
||||
#endif /* __CPU_AT32AP_PIO2_H__ */
|
163
cpu/at32ap/pm.c
Normal file
163
cpu/at32ap/pm.c
Normal file
@@ -0,0 +1,163 @@
|
||||
/*
|
||||
* Copyright (C) 2006 Atmel Corporation
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
#include <common.h>
|
||||
|
||||
#ifdef CFG_POWER_MANAGER
|
||||
#include <asm/errno.h>
|
||||
#include <asm/io.h>
|
||||
|
||||
#include <asm/arch/memory-map.h>
|
||||
#include <asm/arch/platform.h>
|
||||
|
||||
#include "sm.h"
|
||||
|
||||
/* Sanity checks */
|
||||
#if (CFG_CLKDIV_CPU > CFG_CLKDIV_HSB) \
|
||||
|| (CFG_CLKDIV_HSB > CFG_CLKDIV_PBA) \
|
||||
|| (CFG_CLKDIV_HSB > CFG_CLKDIV_PBB)
|
||||
# error Constraint fCPU >= fHSB >= fPB{A,B} violated
|
||||
#endif
|
||||
#if defined(CONFIG_PLL) && ((CFG_PLL0_MUL < 1) || (CFG_PLL0_DIV < 1))
|
||||
# error Invalid PLL multiplier and/or divider
|
||||
#endif
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
struct clock_domain_state {
|
||||
const struct device *bridge;
|
||||
unsigned long freq;
|
||||
u32 mask;
|
||||
};
|
||||
static struct clock_domain_state ckd_state[NR_CLOCK_DOMAINS];
|
||||
|
||||
int pm_enable_clock(enum clock_domain_id id, unsigned int index)
|
||||
{
|
||||
const struct clock_domain *ckd = &chip_clock[id];
|
||||
struct clock_domain_state *state = &ckd_state[id];
|
||||
|
||||
if (ckd->bridge != NO_DEVICE) {
|
||||
state->bridge = get_device(ckd->bridge);
|
||||
if (!state->bridge)
|
||||
return -EBUSY;
|
||||
}
|
||||
|
||||
state->mask |= 1 << index;
|
||||
if (gd->sm)
|
||||
writel(state->mask, gd->sm->regs + ckd->reg);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void pm_disable_clock(enum clock_domain_id id, unsigned int index)
|
||||
{
|
||||
const struct clock_domain *ckd = &chip_clock[id];
|
||||
struct clock_domain_state *state = &ckd_state[id];
|
||||
|
||||
state->mask &= ~(1 << index);
|
||||
if (gd->sm)
|
||||
writel(state->mask, gd->sm->regs + ckd->reg);
|
||||
|
||||
if (ckd->bridge)
|
||||
put_device(state->bridge);
|
||||
}
|
||||
|
||||
unsigned long pm_get_clock_freq(enum clock_domain_id domain)
|
||||
{
|
||||
return ckd_state[domain].freq;
|
||||
}
|
||||
|
||||
void pm_init(void)
|
||||
{
|
||||
uint32_t cksel = 0;
|
||||
unsigned long main_clock;
|
||||
|
||||
/* Make sure we don't disable any device we're already using */
|
||||
get_device(DEVICE_HRAMC);
|
||||
get_device(DEVICE_HEBI);
|
||||
|
||||
/* Enable the PICO as well */
|
||||
ckd_state[CLOCK_CPU].mask |= 1;
|
||||
|
||||
gd->sm = get_device(DEVICE_SM);
|
||||
if (!gd->sm)
|
||||
panic("Unable to claim system manager device!\n");
|
||||
|
||||
/* Disable any devices that haven't been explicitly claimed */
|
||||
sm_writel(gd->sm, PM_PBB_MASK, ckd_state[CLOCK_PBB].mask);
|
||||
sm_writel(gd->sm, PM_PBA_MASK, ckd_state[CLOCK_PBA].mask);
|
||||
sm_writel(gd->sm, PM_HSB_MASK, ckd_state[CLOCK_HSB].mask);
|
||||
sm_writel(gd->sm, PM_CPU_MASK, ckd_state[CLOCK_CPU].mask);
|
||||
|
||||
#ifdef CONFIG_PLL
|
||||
/* Initialize the PLL */
|
||||
main_clock = (CFG_OSC0_HZ / CFG_PLL0_DIV) * CFG_PLL0_MUL;
|
||||
|
||||
sm_writel(gd->sm, PM_PLL0, (SM_BF(PLLCOUNT, CFG_PLL0_SUPPRESS_CYCLES)
|
||||
| SM_BF(PLLMUL, CFG_PLL0_MUL - 1)
|
||||
| SM_BF(PLLDIV, CFG_PLL0_DIV - 1)
|
||||
| SM_BF(PLLOPT, CFG_PLL0_OPT)
|
||||
| SM_BF(PLLOSC, 0)
|
||||
| SM_BIT(PLLEN)));
|
||||
|
||||
/* Wait for lock */
|
||||
while (!(sm_readl(gd->sm, PM_ISR) & SM_BIT(LOCK0))) ;
|
||||
#else
|
||||
main_clock = CFG_OSC0_HZ;
|
||||
#endif
|
||||
|
||||
/* Set up clocks for the CPU and all peripheral buses */
|
||||
if (CFG_CLKDIV_CPU) {
|
||||
cksel |= SM_BIT(CPUDIV) | SM_BF(CPUSEL, CFG_CLKDIV_CPU - 1);
|
||||
ckd_state[CLOCK_CPU].freq = main_clock / (1 << CFG_CLKDIV_CPU);
|
||||
} else {
|
||||
ckd_state[CLOCK_CPU].freq = main_clock;
|
||||
}
|
||||
if (CFG_CLKDIV_HSB) {
|
||||
cksel |= SM_BIT(HSBDIV) | SM_BF(HSBSEL, CFG_CLKDIV_HSB - 1);
|
||||
ckd_state[CLOCK_HSB].freq = main_clock / (1 << CFG_CLKDIV_HSB);
|
||||
} else {
|
||||
ckd_state[CLOCK_HSB].freq = main_clock;
|
||||
}
|
||||
if (CFG_CLKDIV_PBA) {
|
||||
cksel |= SM_BIT(PBADIV) | SM_BF(PBASEL, CFG_CLKDIV_PBA - 1);
|
||||
ckd_state[CLOCK_PBA].freq = main_clock / (1 << CFG_CLKDIV_PBA);
|
||||
} else {
|
||||
ckd_state[CLOCK_PBA].freq = main_clock;
|
||||
}
|
||||
if (CFG_CLKDIV_PBB) {
|
||||
cksel |= SM_BIT(PBBDIV) | SM_BF(PBBSEL, CFG_CLKDIV_PBB - 1);
|
||||
ckd_state[CLOCK_PBB].freq = main_clock / (1 << CFG_CLKDIV_PBB);
|
||||
} else {
|
||||
ckd_state[CLOCK_PBB].freq = main_clock;
|
||||
}
|
||||
sm_writel(gd->sm, PM_CKSEL, cksel);
|
||||
|
||||
/* CFG_HZ currently depends on cpu_hz */
|
||||
gd->cpu_hz = ckd_state[CLOCK_CPU].freq;
|
||||
|
||||
#ifdef CONFIG_PLL
|
||||
/* Use PLL0 as main clock */
|
||||
sm_writel(gd->sm, PM_MCCTRL, SM_BIT(PLLSEL));
|
||||
#endif
|
||||
}
|
||||
|
||||
#endif /* CFG_POWER_MANAGER */
|
204
cpu/at32ap/sm.h
Normal file
204
cpu/at32ap/sm.h
Normal file
@@ -0,0 +1,204 @@
|
||||
/*
|
||||
* Register definitions for System Manager
|
||||
*/
|
||||
#ifndef __CPU_AT32AP_SM_H__
|
||||
#define __CPU_AT32AP_SM_H__
|
||||
|
||||
/* SM register offsets */
|
||||
#define SM_PM_MCCTRL 0x0000
|
||||
#define SM_PM_CKSEL 0x0004
|
||||
#define SM_PM_CPU_MASK 0x0008
|
||||
#define SM_PM_HSB_MASK 0x000c
|
||||
#define SM_PM_PBA_MASK 0x0010
|
||||
#define SM_PM_PBB_MASK 0x0014
|
||||
#define SM_PM_PLL0 0x0020
|
||||
#define SM_PM_PLL1 0x0024
|
||||
#define SM_PM_VCTRL 0x0030
|
||||
#define SM_PM_VMREF 0x0034
|
||||
#define SM_PM_VMV 0x0038
|
||||
#define SM_PM_IER 0x0040
|
||||
#define SM_PM_IDR 0x0044
|
||||
#define SM_PM_IMR 0x0048
|
||||
#define SM_PM_ISR 0x004c
|
||||
#define SM_PM_ICR 0x0050
|
||||
#define SM_PM_GCCTRL 0x0060
|
||||
#define SM_RTC_CTRL 0x0080
|
||||
#define SM_RTC_VAL 0x0084
|
||||
#define SM_RTC_TOP 0x0088
|
||||
#define SM_RTC_IER 0x0090
|
||||
#define SM_RTC_IDR 0x0094
|
||||
#define SM_RTC_IMR 0x0098
|
||||
#define SM_RTC_ISR 0x009c
|
||||
#define SM_RTC_ICR 0x00a0
|
||||
#define SM_WDT_CTRL 0x00b0
|
||||
#define SM_WDT_CLR 0x00b4
|
||||
#define SM_WDT_EXT 0x00b8
|
||||
#define SM_RC_RCAUSE 0x00c0
|
||||
#define SM_EIM_IER 0x0100
|
||||
#define SM_EIM_IDR 0x0104
|
||||
#define SM_EIM_IMR 0x0108
|
||||
#define SM_EIM_ISR 0x010c
|
||||
#define SM_EIM_ICR 0x0110
|
||||
#define SM_EIM_MODE 0x0114
|
||||
#define SM_EIM_EDGE 0x0118
|
||||
#define SM_EIM_LEVEL 0x011c
|
||||
#define SM_EIM_TEST 0x0120
|
||||
#define SM_EIM_NMIC 0x0124
|
||||
|
||||
/* Bitfields in PM_CKSEL */
|
||||
#define SM_CPUSEL_OFFSET 0
|
||||
#define SM_CPUSEL_SIZE 3
|
||||
#define SM_CPUDIV_OFFSET 7
|
||||
#define SM_CPUDIV_SIZE 1
|
||||
#define SM_HSBSEL_OFFSET 8
|
||||
#define SM_HSBSEL_SIZE 3
|
||||
#define SM_HSBDIV_OFFSET 15
|
||||
#define SM_HSBDIV_SIZE 1
|
||||
#define SM_PBASEL_OFFSET 16
|
||||
#define SM_PBASEL_SIZE 3
|
||||
#define SM_PBADIV_OFFSET 23
|
||||
#define SM_PBADIV_SIZE 1
|
||||
#define SM_PBBSEL_OFFSET 24
|
||||
#define SM_PBBSEL_SIZE 3
|
||||
#define SM_PBBDIV_OFFSET 31
|
||||
#define SM_PBBDIV_SIZE 1
|
||||
|
||||
/* Bitfields in PM_PLL0 */
|
||||
#define SM_PLLEN_OFFSET 0
|
||||
#define SM_PLLEN_SIZE 1
|
||||
#define SM_PLLOSC_OFFSET 1
|
||||
#define SM_PLLOSC_SIZE 1
|
||||
#define SM_PLLOPT_OFFSET 2
|
||||
#define SM_PLLOPT_SIZE 3
|
||||
#define SM_PLLDIV_OFFSET 8
|
||||
#define SM_PLLDIV_SIZE 8
|
||||
#define SM_PLLMUL_OFFSET 16
|
||||
#define SM_PLLMUL_SIZE 8
|
||||
#define SM_PLLCOUNT_OFFSET 24
|
||||
#define SM_PLLCOUNT_SIZE 6
|
||||
#define SM_PLLTEST_OFFSET 31
|
||||
#define SM_PLLTEST_SIZE 1
|
||||
|
||||
/* Bitfields in PM_VCTRL */
|
||||
#define SM_VAUTO_OFFSET 0
|
||||
#define SM_VAUTO_SIZE 1
|
||||
#define SM_PM_VCTRL_VAL_OFFSET 8
|
||||
#define SM_PM_VCTRL_VAL_SIZE 7
|
||||
|
||||
/* Bitfields in PM_VMREF */
|
||||
#define SM_REFSEL_OFFSET 0
|
||||
#define SM_REFSEL_SIZE 4
|
||||
|
||||
/* Bitfields in PM_VMV */
|
||||
#define SM_PM_VMV_VAL_OFFSET 0
|
||||
#define SM_PM_VMV_VAL_SIZE 8
|
||||
|
||||
/* Bitfields in PM_ICR */
|
||||
#define SM_LOCK0_OFFSET 0
|
||||
#define SM_LOCK0_SIZE 1
|
||||
#define SM_LOCK1_OFFSET 1
|
||||
#define SM_LOCK1_SIZE 1
|
||||
#define SM_WAKE_OFFSET 2
|
||||
#define SM_WAKE_SIZE 1
|
||||
#define SM_VOK_OFFSET 3
|
||||
#define SM_VOK_SIZE 1
|
||||
#define SM_VMRDY_OFFSET 4
|
||||
#define SM_VMRDY_SIZE 1
|
||||
#define SM_CKRDY_OFFSET 5
|
||||
#define SM_CKRDY_SIZE 1
|
||||
|
||||
/* Bitfields in PM_GCCTRL */
|
||||
#define SM_OSCSEL_OFFSET 0
|
||||
#define SM_OSCSEL_SIZE 1
|
||||
#define SM_PLLSEL_OFFSET 1
|
||||
#define SM_PLLSEL_SIZE 1
|
||||
#define SM_CEN_OFFSET 2
|
||||
#define SM_CEN_SIZE 1
|
||||
#define SM_CPC_OFFSET 3
|
||||
#define SM_CPC_SIZE 1
|
||||
#define SM_DIVEN_OFFSET 4
|
||||
#define SM_DIVEN_SIZE 1
|
||||
#define SM_DIV_OFFSET 8
|
||||
#define SM_DIV_SIZE 8
|
||||
|
||||
/* Bitfields in RTC_CTRL */
|
||||
#define SM_PCLR_OFFSET 1
|
||||
#define SM_PCLR_SIZE 1
|
||||
#define SM_TOPEN_OFFSET 2
|
||||
#define SM_TOPEN_SIZE 1
|
||||
#define SM_CLKEN_OFFSET 3
|
||||
#define SM_CLKEN_SIZE 1
|
||||
#define SM_PSEL_OFFSET 8
|
||||
#define SM_PSEL_SIZE 16
|
||||
|
||||
/* Bitfields in RTC_VAL */
|
||||
#define SM_RTC_VAL_VAL_OFFSET 0
|
||||
#define SM_RTC_VAL_VAL_SIZE 31
|
||||
|
||||
/* Bitfields in RTC_TOP */
|
||||
#define SM_RTC_TOP_VAL_OFFSET 0
|
||||
#define SM_RTC_TOP_VAL_SIZE 32
|
||||
|
||||
/* Bitfields in RTC_ICR */
|
||||
#define SM_TOPI_OFFSET 0
|
||||
#define SM_TOPI_SIZE 1
|
||||
|
||||
/* Bitfields in WDT_CTRL */
|
||||
#define SM_KEY_OFFSET 24
|
||||
#define SM_KEY_SIZE 8
|
||||
|
||||
/* Bitfields in RC_RCAUSE */
|
||||
#define SM_POR_OFFSET 0
|
||||
#define SM_POR_SIZE 1
|
||||
#define SM_BOD_OFFSET 1
|
||||
#define SM_BOD_SIZE 1
|
||||
#define SM_EXT_OFFSET 2
|
||||
#define SM_EXT_SIZE 1
|
||||
#define SM_WDT_OFFSET 3
|
||||
#define SM_WDT_SIZE 1
|
||||
#define SM_NTAE_OFFSET 4
|
||||
#define SM_NTAE_SIZE 1
|
||||
#define SM_SERP_OFFSET 5
|
||||
#define SM_SERP_SIZE 1
|
||||
|
||||
/* Bitfields in EIM_EDGE */
|
||||
#define SM_INT0_OFFSET 0
|
||||
#define SM_INT0_SIZE 1
|
||||
#define SM_INT1_OFFSET 1
|
||||
#define SM_INT1_SIZE 1
|
||||
#define SM_INT2_OFFSET 2
|
||||
#define SM_INT2_SIZE 1
|
||||
#define SM_INT3_OFFSET 3
|
||||
#define SM_INT3_SIZE 1
|
||||
|
||||
/* Bitfields in EIM_LEVEL */
|
||||
|
||||
/* Bitfields in EIM_TEST */
|
||||
#define SM_TESTEN_OFFSET 31
|
||||
#define SM_TESTEN_SIZE 1
|
||||
|
||||
/* Bitfields in EIM_NMIC */
|
||||
#define SM_EN_OFFSET 0
|
||||
#define SM_EN_SIZE 1
|
||||
|
||||
/* Bit manipulation macros */
|
||||
#define SM_BIT(name) \
|
||||
(1 << SM_##name##_OFFSET)
|
||||
#define SM_BF(name,value) \
|
||||
(((value) & ((1 << SM_##name##_SIZE) - 1)) \
|
||||
<< SM_##name##_OFFSET)
|
||||
#define SM_BFEXT(name,value) \
|
||||
(((value) >> SM_##name##_OFFSET) \
|
||||
& ((1 << SM_##name##_SIZE) - 1))
|
||||
#define SM_BFINS(name,value,old) \
|
||||
(((old) & ~(((1 << SM_##name##_SIZE) - 1) \
|
||||
<< SM_##name##_OFFSET)) \
|
||||
| SM_BF(name,value))
|
||||
|
||||
/* Register access macros */
|
||||
#define sm_readl(port,reg) \
|
||||
readl((port)->regs + SM_##reg)
|
||||
#define sm_writel(port,reg,value) \
|
||||
writel((value), (port)->regs + SM_##reg)
|
||||
|
||||
#endif /* __CPU_AT32AP_SM_H__ */
|
113
cpu/at32ap/start.S
Normal file
113
cpu/at32ap/start.S
Normal file
@@ -0,0 +1,113 @@
|
||||
/*
|
||||
* Copyright (C) 2005-2006 Atmel Corporation
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
#include <config.h>
|
||||
#include <asm/sysreg.h>
|
||||
|
||||
#ifndef PART_SPECIFIC_BOOTSTRAP
|
||||
# define PART_SPECIFIC_BOOTSTRAP
|
||||
#endif
|
||||
|
||||
#define SYSREG_MMUCR_I_OFFSET 2
|
||||
#define SYSREG_MMUCR_S_OFFSET 4
|
||||
|
||||
#define SR_INIT (SYSREG_BIT(GM) | SYSREG_BIT(EM) | SYSREG_BIT(M0))
|
||||
#define CPUCR_INIT (SYSREG_BIT(BI) | SYSREG_BIT(BE) \
|
||||
| SYSREG_BIT(FE) | SYSREG_BIT(RE) \
|
||||
| SYSREG_BIT(IBE) | SYSREG_BIT(IEE))
|
||||
|
||||
.text
|
||||
.global _start
|
||||
_start:
|
||||
PART_SPECIFIC_BOOTSTRAP
|
||||
|
||||
/* Reset the Status Register */
|
||||
mov r0, lo(SR_INIT)
|
||||
orh r0, hi(SR_INIT)
|
||||
mtsr SYSREG_SR, r0
|
||||
|
||||
/* Reset CPUCR and invalidate the BTB */
|
||||
mov r2, CPUCR_INIT
|
||||
mtsr SYSREG_CPUCR, r2
|
||||
|
||||
/* Flush the caches */
|
||||
mov r1, 0
|
||||
cache r1[4], 8
|
||||
cache r1[0], 0
|
||||
sync 0
|
||||
|
||||
/* Reset the MMU to default settings */
|
||||
mov r0, SYSREG_BIT(MMUCR_S) | SYSREG_BIT(MMUCR_I)
|
||||
mtsr SYSREG_MMUCR, r0
|
||||
|
||||
/* Internal RAM should not need any initialization. We might
|
||||
have to initialize external RAM here if the part doesn't
|
||||
have internal RAM (or we may use the data cache) */
|
||||
|
||||
/* Jump to cacheable segment */
|
||||
lddpc pc, 1f
|
||||
|
||||
.align 2
|
||||
1: .long 2f
|
||||
|
||||
2: lddpc sp, sp_init
|
||||
|
||||
/*
|
||||
* Relocate the data section and initialize .bss. Everything
|
||||
* is guaranteed to be at least doubleword aligned by the
|
||||
* linker script.
|
||||
*/
|
||||
lddpc r12, .Ldata_vma
|
||||
lddpc r11, .Ldata_lma
|
||||
lddpc r10, .Ldata_end
|
||||
sub r10, r12
|
||||
4: ld.d r8, r11++
|
||||
sub r10, 8
|
||||
st.d r12++, r8
|
||||
brne 4b
|
||||
|
||||
mov r8, 0
|
||||
mov r9, 0
|
||||
lddpc r10, .Lbss_end
|
||||
sub r10, r12
|
||||
4: sub r10, 8
|
||||
st.d r12++, r8
|
||||
brne 4b
|
||||
|
||||
/* Initialize the GOT pointer */
|
||||
lddpc r6, got_init
|
||||
3: rsub r6, pc
|
||||
ld.w pc, r6[start_u_boot@got]
|
||||
|
||||
.align 2
|
||||
.type sp_init,@object
|
||||
sp_init:
|
||||
.long CFG_INIT_SP_ADDR
|
||||
got_init:
|
||||
.long 3b - _GLOBAL_OFFSET_TABLE_
|
||||
.Ldata_lma:
|
||||
.long __data_lma
|
||||
.Ldata_vma:
|
||||
.long _data
|
||||
.Ldata_end:
|
||||
.long _edata
|
||||
.Lbss_end:
|
||||
.long _end
|
@@ -38,7 +38,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -1,7 +1,7 @@
|
||||
#
|
||||
# (C) Copyright 2006
|
||||
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
#
|
||||
#
|
||||
# (C) Copyright 2002
|
||||
# Daniel Engstr<74>m, Omicron Ceti AB, daniel@omicron.se.
|
||||
#
|
||||
@@ -39,7 +39,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -88,7 +88,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(LIB)
|
||||
|
||||
$(LIB): $(obj).depend $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -37,7 +37,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -37,7 +37,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -47,7 +47,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -37,7 +37,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -882,7 +882,7 @@ int mpc5xxx_fec_initialize(bd_t * bis)
|
||||
defined(CONFIG_ICECUBE) || defined(CONFIG_INKA4X0) || \
|
||||
defined(CONFIG_MCC200) || defined(CONFIG_O2DNT) || \
|
||||
defined(CONFIG_PM520) || defined(CONFIG_TOP5200) || \
|
||||
defined(CONFIG_TQM5200)
|
||||
defined(CONFIG_TQM5200) || defined(CONFIG_V38B)
|
||||
# ifndef CONFIG_FEC_10MBIT
|
||||
fec->xcv_type = MII100;
|
||||
# else
|
||||
|
@@ -32,7 +32,7 @@
|
||||
*
|
||||
* Based on (well, mostly copied from) the code from the 2.4 kernel by
|
||||
* Dale Farnsworth <dfarnsworth@mvista.com> and Kent Borg.
|
||||
*
|
||||
*
|
||||
* Copyright (C) 2004 Sylvain Munaut <tnt@246tNt.com>
|
||||
* Copyright (C) 2003 Montavista Software, Inc
|
||||
*/
|
||||
|
@@ -38,7 +38,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -41,7 +41,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
$(obj)bedbug_603e.c:
|
||||
ln -s $(src)../mpc8260/bedbug_603e.c $(obj)bedbug_603e.c
|
||||
|
@@ -37,7 +37,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS) $(obj)kgdb.o
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS) $(obj)kgdb.o
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -1,7 +1,7 @@
|
||||
#
|
||||
# (C) Copyright 2006
|
||||
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
#
|
||||
#
|
||||
# Copyright 2004 Freescale Semiconductor, Inc.
|
||||
#
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
@@ -38,7 +38,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -30,7 +30,7 @@ LIB = $(obj)lib$(CPU).a
|
||||
|
||||
START = start.o resetvec.o
|
||||
COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o \
|
||||
pci.o serial_scc.o commproc.o ether_fcc.o i2c.o spd_sdram.o
|
||||
pci.o serial_scc.o commproc.o ether_fcc.o spd_sdram.o
|
||||
|
||||
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
|
||||
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
|
||||
@@ -39,7 +39,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -30,7 +30,10 @@
|
||||
#include <command.h>
|
||||
#include <asm/cache.h>
|
||||
|
||||
/* ------------------------------------------------------------------------- */
|
||||
#if defined(CONFIG_OF_FLAT_TREE)
|
||||
#include <ft_build.h>
|
||||
#endif
|
||||
|
||||
|
||||
int checkcpu (void)
|
||||
{
|
||||
@@ -227,3 +230,48 @@ int dma_xfer(void *dest, uint count, void *src) {
|
||||
return dma_check();
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#ifdef CONFIG_OF_FLAT_TREE
|
||||
void
|
||||
ft_cpu_setup(void *blob, bd_t *bd)
|
||||
{
|
||||
u32 *p;
|
||||
ulong clock;
|
||||
int len;
|
||||
|
||||
clock = bd->bi_busfreq;
|
||||
p = ft_get_prop(blob, "/cpus/" OF_CPU "/bus-frequency", &len);
|
||||
if (p != NULL)
|
||||
*p = cpu_to_be32(clock);
|
||||
|
||||
p = ft_get_prop(blob, "/" OF_SOC "/serial@4500/clock-frequency", &len);
|
||||
if (p != NULL)
|
||||
*p = cpu_to_be32(clock);
|
||||
|
||||
p = ft_get_prop(blob, "/" OF_SOC "/serial@4600/clock-frequency", &len);
|
||||
if (p != NULL)
|
||||
*p = cpu_to_be32(clock);
|
||||
|
||||
#if defined(CONFIG_MPC85XX_TSEC1)
|
||||
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/mac-address", &len);
|
||||
memcpy(p, bd->bi_enetaddr, 6);
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_HAS_ETH1)
|
||||
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/mac-address", &len);
|
||||
memcpy(p, bd->bi_enet1addr, 6);
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_HAS_ETH2)
|
||||
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@26000/mac-address", &len);
|
||||
memcpy(p, bd->bi_enet2addr, 6);
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_HAS_ETH3)
|
||||
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@27000/mac-address", &len);
|
||||
memcpy(p, bd->bi_enet3addr, 6);
|
||||
#endif
|
||||
|
||||
}
|
||||
#endif
|
||||
|
@@ -32,6 +32,7 @@
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
|
||||
#ifdef CONFIG_CPM2
|
||||
static void config_8560_ioports (volatile immap_t * immr)
|
||||
{
|
||||
|
@@ -1,265 +0,0 @@
|
||||
/*
|
||||
* (C) Copyright 2003,Motorola Inc.
|
||||
* Xianghua Xiao <x.xiao@motorola.com>
|
||||
* Adapted for Motorola 85xx chip.
|
||||
*
|
||||
* (C) Copyright 2003
|
||||
* Gleb Natapov <gnatapov@mrv.com>
|
||||
* Some bits are taken from linux driver writen by adrian@humboldt.co.uk
|
||||
*
|
||||
* Hardware I2C driver for MPC107 PCI bridge.
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <command.h>
|
||||
#include <asm/io.h>
|
||||
|
||||
#ifdef CONFIG_HARD_I2C
|
||||
#include <i2c.h>
|
||||
|
||||
#define TIMEOUT (CFG_HZ/4)
|
||||
|
||||
#define I2C_Addr ((u8 *)(CFG_CCSRBAR + 0x3000))
|
||||
|
||||
#define I2CADR &I2C_Addr[0]
|
||||
#define I2CFDR &I2C_Addr[4]
|
||||
#define I2CCCR &I2C_Addr[8]
|
||||
#define I2CCSR &I2C_Addr[12]
|
||||
#define I2CCDR &I2C_Addr[16]
|
||||
#define I2CDFSRR &I2C_Addr[20]
|
||||
|
||||
#define I2C_READ 1
|
||||
#define I2C_WRITE 0
|
||||
|
||||
void
|
||||
i2c_init(int speed, int slaveadd)
|
||||
{
|
||||
/* stop I2C controller */
|
||||
writeb(0x0, I2CCCR);
|
||||
|
||||
/* set clock */
|
||||
writeb(0x3f, I2CFDR);
|
||||
|
||||
/* set default filter */
|
||||
writeb(0x10,I2CDFSRR);
|
||||
|
||||
/* write slave address */
|
||||
writeb(slaveadd, I2CADR);
|
||||
|
||||
/* clear status register */
|
||||
writeb(0x0, I2CCSR);
|
||||
|
||||
/* start I2C controller */
|
||||
writeb(MPC85xx_I2CCR_MEN, I2CCCR);
|
||||
}
|
||||
|
||||
static __inline__ int
|
||||
i2c_wait4bus (void)
|
||||
{
|
||||
ulong timeval = get_timer (0);
|
||||
|
||||
while (readb(I2CCSR) & MPC85xx_I2CSR_MBB) {
|
||||
if (get_timer (timeval) > TIMEOUT) {
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static __inline__ int
|
||||
i2c_wait (int write)
|
||||
{
|
||||
u32 csr;
|
||||
ulong timeval = get_timer (0);
|
||||
|
||||
do {
|
||||
csr = readb(I2CCSR);
|
||||
|
||||
if (!(csr & MPC85xx_I2CSR_MIF))
|
||||
continue;
|
||||
|
||||
writeb(0x0, I2CCSR);
|
||||
|
||||
if (csr & MPC85xx_I2CSR_MAL) {
|
||||
debug("i2c_wait: MAL\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (!(csr & MPC85xx_I2CSR_MCF)) {
|
||||
debug("i2c_wait: unfinished\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (write == I2C_WRITE && (csr & MPC85xx_I2CSR_RXAK)) {
|
||||
debug("i2c_wait: No RXACK\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
} while (get_timer (timeval) < TIMEOUT);
|
||||
|
||||
debug("i2c_wait: timed out\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
static __inline__ int
|
||||
i2c_write_addr (u8 dev, u8 dir, int rsta)
|
||||
{
|
||||
writeb(MPC85xx_I2CCR_MEN | MPC85xx_I2CCR_MSTA | MPC85xx_I2CCR_MTX |
|
||||
(rsta?MPC85xx_I2CCR_RSTA:0),
|
||||
I2CCCR);
|
||||
|
||||
writeb((dev << 1) | dir, I2CCDR);
|
||||
|
||||
if (i2c_wait (I2C_WRITE) < 0)
|
||||
return 0;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static __inline__ int
|
||||
__i2c_write (u8 *data, int length)
|
||||
{
|
||||
int i;
|
||||
|
||||
writeb(MPC85xx_I2CCR_MEN | MPC85xx_I2CCR_MSTA | MPC85xx_I2CCR_MTX,
|
||||
I2CCCR);
|
||||
|
||||
for (i=0; i < length; i++) {
|
||||
writeb(data[i], I2CCDR);
|
||||
|
||||
if (i2c_wait (I2C_WRITE) < 0)
|
||||
break;
|
||||
}
|
||||
|
||||
return i;
|
||||
}
|
||||
|
||||
static __inline__ int
|
||||
__i2c_read (u8 *data, int length)
|
||||
{
|
||||
int i;
|
||||
|
||||
writeb(MPC85xx_I2CCR_MEN | MPC85xx_I2CCR_MSTA |
|
||||
((length == 1) ? MPC85xx_I2CCR_TXAK : 0),
|
||||
I2CCCR);
|
||||
|
||||
/* dummy read */
|
||||
readb(I2CCDR);
|
||||
|
||||
for (i=0; i < length; i++) {
|
||||
if (i2c_wait (I2C_READ) < 0)
|
||||
break;
|
||||
|
||||
/* Generate ack on last next to last byte */
|
||||
if (i == length - 2)
|
||||
writeb(MPC85xx_I2CCR_MEN | MPC85xx_I2CCR_MSTA |
|
||||
MPC85xx_I2CCR_TXAK,
|
||||
I2CCCR);
|
||||
|
||||
/* Generate stop on last byte */
|
||||
if (i == length - 1)
|
||||
writeb(MPC85xx_I2CCR_MEN | MPC85xx_I2CCR_TXAK, I2CCCR);
|
||||
|
||||
data[i] = readb(I2CCDR);
|
||||
}
|
||||
|
||||
return i;
|
||||
}
|
||||
|
||||
int
|
||||
i2c_read (u8 dev, uint addr, int alen, u8 *data, int length)
|
||||
{
|
||||
int i = 0;
|
||||
u8 *a = (u8*)&addr;
|
||||
|
||||
if (i2c_wait4bus () < 0)
|
||||
goto exit;
|
||||
|
||||
if (i2c_write_addr (dev, I2C_WRITE, 0) == 0)
|
||||
goto exit;
|
||||
|
||||
if (__i2c_write (&a[4 - alen], alen) != alen)
|
||||
goto exit;
|
||||
|
||||
if (i2c_write_addr (dev, I2C_READ, 1) == 0)
|
||||
goto exit;
|
||||
|
||||
i = __i2c_read (data, length);
|
||||
|
||||
exit:
|
||||
writeb(MPC85xx_I2CCR_MEN, I2CCCR);
|
||||
|
||||
return !(i == length);
|
||||
}
|
||||
|
||||
int
|
||||
i2c_write (u8 dev, uint addr, int alen, u8 *data, int length)
|
||||
{
|
||||
int i = 0;
|
||||
u8 *a = (u8*)&addr;
|
||||
|
||||
if (i2c_wait4bus () < 0)
|
||||
goto exit;
|
||||
|
||||
if (i2c_write_addr (dev, I2C_WRITE, 0) == 0)
|
||||
goto exit;
|
||||
|
||||
if (__i2c_write (&a[4 - alen], alen) != alen)
|
||||
goto exit;
|
||||
|
||||
i = __i2c_write (data, length);
|
||||
|
||||
exit:
|
||||
writeb(MPC85xx_I2CCR_MEN, I2CCCR);
|
||||
|
||||
return !(i == length);
|
||||
}
|
||||
|
||||
int i2c_probe (uchar chip)
|
||||
{
|
||||
int tmp;
|
||||
|
||||
/*
|
||||
* Try to read the first location of the chip. The underlying
|
||||
* driver doesn't appear to support sending just the chip address
|
||||
* and looking for an <ACK> back.
|
||||
*/
|
||||
udelay(10000);
|
||||
return i2c_read (chip, 0, 1, (uchar *)&tmp, 1);
|
||||
}
|
||||
|
||||
uchar i2c_reg_read (uchar i2c_addr, uchar reg)
|
||||
{
|
||||
uchar buf[1];
|
||||
|
||||
i2c_read (i2c_addr, reg, 1, buf, 1);
|
||||
|
||||
return (buf[0]);
|
||||
}
|
||||
|
||||
void i2c_reg_write (uchar i2c_addr, uchar reg, uchar val)
|
||||
{
|
||||
i2c_write (i2c_addr, reg, 1, &val, 1);
|
||||
}
|
||||
|
||||
#endif /* CONFIG_HARD_I2C */
|
@@ -29,20 +29,86 @@
|
||||
#include <asm/cpm_85xx.h>
|
||||
#include <pci.h>
|
||||
|
||||
#if defined(CONFIG_OF_FLAT_TREE)
|
||||
#include <ft_build.h>
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_PCI)
|
||||
|
||||
static struct pci_controller *pci_hose;
|
||||
|
||||
void
|
||||
pci_mpc85xx_init(struct pci_controller *hose)
|
||||
pci_mpc85xx_init(struct pci_controller *board_hose)
|
||||
{
|
||||
u16 reg16;
|
||||
u32 dev;
|
||||
|
||||
volatile immap_t *immap = (immap_t *)CFG_CCSRBAR;
|
||||
volatile ccsr_pcix_t *pcix = &immap->im_pcix;
|
||||
#ifdef CONFIG_MPC85XX_PCI2
|
||||
volatile ccsr_pcix_t *pcix2 = &immap->im_pcix2;
|
||||
#endif
|
||||
volatile ccsr_gur_t *gur = &immap->im_gur;
|
||||
struct pci_controller * hose;
|
||||
|
||||
u16 reg16;
|
||||
pci_hose = board_hose;
|
||||
|
||||
hose = &pci_hose[0];
|
||||
|
||||
hose->first_busno = 0;
|
||||
hose->last_busno = 0xff;
|
||||
|
||||
pci_setup_indirect(hose,
|
||||
(CFG_IMMR+0x8000),
|
||||
(CFG_IMMR+0x8004));
|
||||
|
||||
/*
|
||||
* Hose scan.
|
||||
*/
|
||||
dev = PCI_BDF(hose->first_busno, 0, 0);
|
||||
pci_hose_read_config_word (hose, dev, PCI_COMMAND, ®16);
|
||||
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
|
||||
pci_hose_write_config_word(hose, dev, PCI_COMMAND, reg16);
|
||||
|
||||
/*
|
||||
* Clear non-reserved bits in status register.
|
||||
*/
|
||||
pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff);
|
||||
|
||||
if (!(gur->pordevsr & PORDEVSR_PCI)) {
|
||||
/* PCI-X init */
|
||||
if (CONFIG_SYS_CLK_FREQ < 66000000)
|
||||
printf("PCI-X will only work at 66 MHz\n");
|
||||
|
||||
reg16 = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ
|
||||
| PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E;
|
||||
pci_hose_write_config_word(hose, dev, PCIX_COMMAND, reg16);
|
||||
}
|
||||
|
||||
pcix->potar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
|
||||
pcix->potear1 = 0x00000000;
|
||||
pcix->powbar1 = (CFG_PCI1_MEM_PHYS >> 12) & 0x000fffff;
|
||||
pcix->powbear1 = 0x00000000;
|
||||
pcix->powar1 = (POWAR_EN | POWAR_MEM_READ |
|
||||
POWAR_MEM_WRITE | POWAR_MEM_512M);
|
||||
|
||||
pcix->potar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff;
|
||||
pcix->potear2 = 0x00000000;
|
||||
pcix->powbar2 = (CFG_PCI1_IO_PHYS >> 12) & 0x000fffff;
|
||||
pcix->powbear2 = 0x00000000;
|
||||
pcix->powar2 = (POWAR_EN | POWAR_IO_READ |
|
||||
POWAR_IO_WRITE | POWAR_IO_1M);
|
||||
|
||||
pcix->pitar1 = 0x00000000;
|
||||
pcix->piwbar1 = 0x00000000;
|
||||
pcix->piwar1 = (PIWAR_EN | PIWAR_PF | PIWAR_LOCAL |
|
||||
PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP | PIWAR_MEM_2G);
|
||||
|
||||
pcix->powar3 = 0;
|
||||
pcix->powar4 = 0;
|
||||
pcix->piwar2 = 0;
|
||||
pcix->piwar3 = 0;
|
||||
|
||||
pci_set_region(hose->regions + 0,
|
||||
CFG_PCI1_MEM_BASE,
|
||||
CFG_PCI1_MEM_PHYS,
|
||||
@@ -57,42 +123,8 @@ pci_mpc85xx_init(struct pci_controller *hose)
|
||||
|
||||
hose->region_count = 2;
|
||||
|
||||
pci_setup_indirect(hose,
|
||||
(CFG_IMMR+0x8000),
|
||||
(CFG_IMMR+0x8004));
|
||||
|
||||
pcix->potar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
|
||||
pcix->potear1 = 0x00000000;
|
||||
pcix->powbar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
|
||||
pcix->powbear1 = 0x00000000;
|
||||
pcix->powar1 = 0x8004401c; /* 512M MEM space */
|
||||
|
||||
pcix->potar2 = 0x00000000;
|
||||
pcix->potear2 = 0x00000000;
|
||||
pcix->powbar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff;
|
||||
pcix->powbear2 = 0x00000000;
|
||||
pcix->powar2 = 0x80088017; /* 16M IO space */
|
||||
|
||||
pcix->pitar1 = 0x00000000;
|
||||
pcix->piwbar1 = 0x00000000;
|
||||
pcix->piwar1 = 0xa0f5501e; /* Enable, Prefetch, Local Mem,
|
||||
* Snoop R/W, 2G */
|
||||
|
||||
/*
|
||||
* Hose scan.
|
||||
*/
|
||||
pci_register_hose(hose);
|
||||
|
||||
pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16);
|
||||
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
|
||||
pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
|
||||
|
||||
/*
|
||||
* Clear non-reserved bits in status register.
|
||||
*/
|
||||
pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
|
||||
pci_write_config_byte(PCI_BDF(0,0,0), PCI_LATENCY_TIMER,0x80);
|
||||
|
||||
#if defined(CONFIG_MPC8555CDS) || defined(CONFIG_MPC8541CDS)
|
||||
/*
|
||||
* This is a SW workaround for an apparent HW problem
|
||||
@@ -117,6 +149,94 @@ pci_mpc85xx_init(struct pci_controller *hose)
|
||||
#endif
|
||||
|
||||
hose->last_busno = pci_hose_scan(hose);
|
||||
|
||||
#ifdef CONFIG_MPC85XX_PCI2
|
||||
hose = &pci_hose[1];
|
||||
|
||||
hose->first_busno = pci_hose[0].last_busno + 1;
|
||||
hose->last_busno = 0xff;
|
||||
|
||||
pci_setup_indirect(hose,
|
||||
(CFG_IMMR+0x9000),
|
||||
(CFG_IMMR+0x9004));
|
||||
|
||||
dev = PCI_BDF(hose->first_busno, 0, 0);
|
||||
pci_hose_read_config_word (hose, dev, PCI_COMMAND, ®16);
|
||||
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
|
||||
pci_hose_write_config_word(hose, dev, PCI_COMMAND, reg16);
|
||||
|
||||
/*
|
||||
* Clear non-reserved bits in status register.
|
||||
*/
|
||||
pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff);
|
||||
|
||||
pcix2->potar1 = (CFG_PCI2_MEM_BASE >> 12) & 0x000fffff;
|
||||
pcix2->potear1 = 0x00000000;
|
||||
pcix2->powbar1 = (CFG_PCI2_MEM_PHYS >> 12) & 0x000fffff;
|
||||
pcix2->powbear1 = 0x00000000;
|
||||
pcix2->powar1 = (POWAR_EN | POWAR_MEM_READ |
|
||||
POWAR_MEM_WRITE | POWAR_MEM_512M);
|
||||
|
||||
pcix2->potar2 = (CFG_PCI2_IO_BASE >> 12) & 0x000fffff;
|
||||
pcix2->potear2 = 0x00000000;
|
||||
pcix2->powbar2 = (CFG_PCI2_IO_PHYS >> 12) & 0x000fffff;
|
||||
pcix2->powbear2 = 0x00000000;
|
||||
pcix2->powar2 = (POWAR_EN | POWAR_IO_READ |
|
||||
POWAR_IO_WRITE | POWAR_IO_1M);
|
||||
|
||||
pcix2->pitar1 = 0x00000000;
|
||||
pcix2->piwbar1 = 0x00000000;
|
||||
pcix2->piwar1 = (PIWAR_EN | PIWAR_PF | PIWAR_LOCAL |
|
||||
PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP | PIWAR_MEM_2G);
|
||||
|
||||
pcix2->powar3 = 0;
|
||||
pcix2->powar4 = 0;
|
||||
pcix2->piwar2 = 0;
|
||||
pcix2->piwar3 = 0;
|
||||
|
||||
pci_set_region(hose->regions + 0,
|
||||
CFG_PCI2_MEM_BASE,
|
||||
CFG_PCI2_MEM_PHYS,
|
||||
CFG_PCI2_MEM_SIZE,
|
||||
PCI_REGION_MEM);
|
||||
|
||||
pci_set_region(hose->regions + 1,
|
||||
CFG_PCI2_IO_BASE,
|
||||
CFG_PCI2_IO_PHYS,
|
||||
CFG_PCI2_IO_SIZE,
|
||||
PCI_REGION_IO);
|
||||
|
||||
hose->region_count = 2;
|
||||
|
||||
/*
|
||||
* Hose scan.
|
||||
*/
|
||||
pci_register_hose(hose);
|
||||
|
||||
hose->last_busno = pci_hose_scan(hose);
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef CONFIG_OF_FLAT_TREE
|
||||
void
|
||||
ft_pci_setup(void *blob, bd_t *bd)
|
||||
{
|
||||
u32 *p;
|
||||
int len;
|
||||
|
||||
p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8000/bus-range", &len);
|
||||
if (p != NULL) {
|
||||
p[0] = pci_hose[0].first_busno;
|
||||
p[1] = pci_hose[0].last_busno;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_MPC85XX_PCI2
|
||||
p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@9000/bus-range", &len);
|
||||
if (p != NULL) {
|
||||
p[0] = pci_hose[1].first_busno;
|
||||
p[1] = pci_hose[1].last_busno;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
#endif /* CONFIG_OF_FLAT_TREE */
|
||||
#endif /* CONFIG_PCI */
|
||||
|
@@ -131,8 +131,8 @@ convert_bcd_tenths_to_cycle_time_ps(unsigned int spd_val)
|
||||
800,
|
||||
900,
|
||||
250,
|
||||
330, /* FIXME: Is 333 better/valid? */
|
||||
660, /* FIXME: Is 667 better/valid? */
|
||||
330,
|
||||
660,
|
||||
750,
|
||||
0, /* undefined */
|
||||
0 /* undefined */
|
||||
@@ -146,6 +146,28 @@ convert_bcd_tenths_to_cycle_time_ps(unsigned int spd_val)
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Determine Refresh Rate. Ignore self refresh bit on DDR I.
|
||||
* Table from SPD Spec, Byte 12, converted to picoseconds and
|
||||
* filled in with "default" normal values.
|
||||
*/
|
||||
unsigned int determine_refresh_rate(unsigned int spd_refresh)
|
||||
{
|
||||
unsigned int refresh_time_ns[8] = {
|
||||
15625000, /* 0 Normal 1.00x */
|
||||
3900000, /* 1 Reduced .25x */
|
||||
7800000, /* 2 Extended .50x */
|
||||
31300000, /* 3 Extended 2.00x */
|
||||
62500000, /* 4 Extended 4.00x */
|
||||
125000000, /* 5 Extended 8.00x */
|
||||
15625000, /* 6 Normal 1.00x filler */
|
||||
15625000, /* 7 Normal 1.00x filler */
|
||||
};
|
||||
|
||||
return picos_to_clk(refresh_time_ns[spd_refresh & 0x7]);
|
||||
}
|
||||
|
||||
|
||||
long int
|
||||
spd_sdram(void)
|
||||
{
|
||||
@@ -157,6 +179,10 @@ spd_sdram(void)
|
||||
unsigned int rank_density;
|
||||
unsigned int odt_rd_cfg, odt_wr_cfg;
|
||||
unsigned int odt_cfg, mode_odt_enable;
|
||||
unsigned int refresh_clk;
|
||||
#ifdef MPC85xx_DDR_SDRAM_CLK_CNTL
|
||||
unsigned char clk_adjust;
|
||||
#endif
|
||||
unsigned int dqs_cfg;
|
||||
unsigned char twr_clk, twtr_clk, twr_auto_clk;
|
||||
unsigned int tCKmin_ps, tCKmax_ps;
|
||||
@@ -740,38 +766,21 @@ spd_sdram(void)
|
||||
ddr->sdram_mode_2 = 0;
|
||||
debug("DDR: sdram_mode_2 = 0x%08x\n", ddr->sdram_mode_2);
|
||||
|
||||
/*
|
||||
* Determine Refresh Rate.
|
||||
*/
|
||||
refresh_clk = determine_refresh_rate(spd.refresh & 0x7);
|
||||
|
||||
/*
|
||||
* Determine Refresh Rate. Ignore self refresh bit on DDR I.
|
||||
* Table from SPD Spec, Byte 12, converted to picoseconds and
|
||||
* filled in with "default" normal values.
|
||||
* Set BSTOPRE to 0x100 for page mode
|
||||
* If auto-charge is used, set BSTOPRE = 0
|
||||
*/
|
||||
{
|
||||
unsigned int refresh_clk;
|
||||
unsigned int refresh_time_ns[8] = {
|
||||
15625000, /* 0 Normal 1.00x */
|
||||
3900000, /* 1 Reduced .25x */
|
||||
7800000, /* 2 Extended .50x */
|
||||
31300000, /* 3 Extended 2.00x */
|
||||
62500000, /* 4 Extended 4.00x */
|
||||
125000000, /* 5 Extended 8.00x */
|
||||
15625000, /* 6 Normal 1.00x filler */
|
||||
15625000, /* 7 Normal 1.00x filler */
|
||||
};
|
||||
|
||||
refresh_clk = picos_to_clk(refresh_time_ns[spd.refresh & 0x7]);
|
||||
|
||||
/*
|
||||
* Set BSTOPRE to 0x100 for page mode
|
||||
* If auto-charge is used, set BSTOPRE = 0
|
||||
*/
|
||||
ddr->sdram_interval =
|
||||
(0
|
||||
| (refresh_clk & 0x3fff) << 16
|
||||
| 0x100
|
||||
);
|
||||
debug("DDR: sdram_interval = 0x%08x\n", ddr->sdram_interval);
|
||||
}
|
||||
ddr->sdram_interval =
|
||||
(0
|
||||
| (refresh_clk & 0x3fff) << 16
|
||||
| 0x100
|
||||
);
|
||||
debug("DDR: sdram_interval = 0x%08x\n", ddr->sdram_interval);
|
||||
|
||||
/*
|
||||
* Is this an ECC DDR chip?
|
||||
@@ -835,28 +844,23 @@ spd_sdram(void)
|
||||
|
||||
|
||||
#ifdef MPC85xx_DDR_SDRAM_CLK_CNTL
|
||||
{
|
||||
unsigned char clk_adjust;
|
||||
/*
|
||||
* Setup the clock control.
|
||||
* SDRAM_CLK_CNTL[0] = Source synchronous enable == 1
|
||||
* SDRAM_CLK_CNTL[5-7] = Clock Adjust
|
||||
* 0110 3/4 cycle late
|
||||
* 0111 7/8 cycle late
|
||||
*/
|
||||
if (spd.mem_type == SPD_MEMTYPE_DDR)
|
||||
clk_adjust = 0x6;
|
||||
else
|
||||
clk_adjust = 0x7;
|
||||
|
||||
/*
|
||||
* Setup the clock control.
|
||||
* SDRAM_CLK_CNTL[0] = Source synchronous enable == 1
|
||||
* SDRAM_CLK_CNTL[5-7] = Clock Adjust
|
||||
* 0110 3/4 cycle late
|
||||
* 0111 7/8 cycle late
|
||||
*/
|
||||
if (spd.mem_type == SPD_MEMTYPE_DDR) {
|
||||
clk_adjust = 0x6;
|
||||
} else {
|
||||
clk_adjust = 0x7;
|
||||
}
|
||||
|
||||
ddr->sdram_clk_cntl = (0
|
||||
ddr->sdram_clk_cntl = (0
|
||||
| 0x80000000
|
||||
| (clk_adjust << 23)
|
||||
);
|
||||
debug("DDR: sdram_clk_cntl = 0x%08x\n", ddr->sdram_clk_cntl);
|
||||
}
|
||||
debug("DDR: sdram_clk_cntl = 0x%08x\n", ddr->sdram_clk_cntl);
|
||||
#endif
|
||||
|
||||
/*
|
||||
@@ -1081,26 +1085,16 @@ ddr_enable_ecc(unsigned int dram_size)
|
||||
}
|
||||
}
|
||||
|
||||
/* 8K */
|
||||
dma_xfer((uint *)0x2000, 0x2000, (uint *)0);
|
||||
/* 16K */
|
||||
dma_xfer((uint *)0x4000, 0x4000, (uint *)0);
|
||||
/* 32K */
|
||||
dma_xfer((uint *)0x8000, 0x8000, (uint *)0);
|
||||
/* 64K */
|
||||
dma_xfer((uint *)0x10000, 0x10000, (uint *)0);
|
||||
/* 128k */
|
||||
dma_xfer((uint *)0x20000, 0x20000, (uint *)0);
|
||||
/* 256k */
|
||||
dma_xfer((uint *)0x40000, 0x40000, (uint *)0);
|
||||
/* 512k */
|
||||
dma_xfer((uint *)0x80000, 0x80000, (uint *)0);
|
||||
/* 1M */
|
||||
dma_xfer((uint *)0x100000, 0x100000, (uint *)0);
|
||||
/* 2M */
|
||||
dma_xfer((uint *)0x200000, 0x200000, (uint *)0);
|
||||
/* 4M */
|
||||
dma_xfer((uint *)0x400000, 0x400000, (uint *)0);
|
||||
dma_xfer((uint *)0x002000, 0x002000, (uint *)0); /* 8K */
|
||||
dma_xfer((uint *)0x004000, 0x004000, (uint *)0); /* 16K */
|
||||
dma_xfer((uint *)0x008000, 0x008000, (uint *)0); /* 32K */
|
||||
dma_xfer((uint *)0x010000, 0x010000, (uint *)0); /* 64K */
|
||||
dma_xfer((uint *)0x020000, 0x020000, (uint *)0); /* 128k */
|
||||
dma_xfer((uint *)0x040000, 0x040000, (uint *)0); /* 256k */
|
||||
dma_xfer((uint *)0x080000, 0x080000, (uint *)0); /* 512k */
|
||||
dma_xfer((uint *)0x100000, 0x100000, (uint *)0); /* 1M */
|
||||
dma_xfer((uint *)0x200000, 0x200000, (uint *)0); /* 2M */
|
||||
dma_xfer((uint *)0x400000, 0x400000, (uint *)0); /* 4M */
|
||||
|
||||
for (i = 1; i < dram_size / 0x800000; i++) {
|
||||
dma_xfer((uint *)(0x800000*i), 0x800000, (uint *)0);
|
||||
|
51
cpu/mpc86xx/Makefile
Normal file
51
cpu/mpc86xx/Makefile
Normal file
@@ -0,0 +1,51 @@
|
||||
#
|
||||
# (C) Copyright 2002,2003 Motorola Inc.
|
||||
# Xianghua Xiao,X.Xiao@motorola.com
|
||||
#
|
||||
# (C) Copyright 2004 Freescale Semiconductor. (MC86xx Port)
|
||||
# Jeff Brown
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
#
|
||||
|
||||
include $(TOPDIR)/config.mk
|
||||
|
||||
LIB = $(obj)lib$(CPU).a
|
||||
|
||||
START = start.o #resetvec.o
|
||||
SOBJS = cache.o
|
||||
COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o \
|
||||
pci.o pcie_indirect.o spd_sdram.o
|
||||
|
||||
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
|
||||
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
|
||||
START := $(addprefix $(obj),$(START))
|
||||
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(ASOBJS) $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
# defines $(obj).depend target
|
||||
include $(SRCTREE)/rules.mk
|
||||
|
||||
sinclude $(obj).depend
|
||||
|
||||
#########################################################################
|
374
cpu/mpc86xx/cache.S
Normal file
374
cpu/mpc86xx/cache.S
Normal file
@@ -0,0 +1,374 @@
|
||||
#include <config.h>
|
||||
#include <mpc86xx.h>
|
||||
#include <version.h>
|
||||
|
||||
#include <ppc_asm.tmpl>
|
||||
#include <ppc_defs.h>
|
||||
|
||||
#include <asm/cache.h>
|
||||
#include <asm/mmu.h>
|
||||
|
||||
#ifndef CACHE_LINE_SIZE
|
||||
# define CACHE_LINE_SIZE L1_CACHE_BYTES
|
||||
#endif
|
||||
|
||||
#if CACHE_LINE_SIZE == 128
|
||||
#define LG_CACHE_LINE_SIZE 7
|
||||
#elif CACHE_LINE_SIZE == 32
|
||||
#define LG_CACHE_LINE_SIZE 5
|
||||
#elif CACHE_LINE_SIZE == 16
|
||||
#define LG_CACHE_LINE_SIZE 4
|
||||
#elif CACHE_LINE_SIZE == 8
|
||||
#define LG_CACHE_LINE_SIZE 3
|
||||
#else
|
||||
# error "Invalid cache line size!"
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Most of this code is taken from 74xx_7xx/cache.S
|
||||
* and then cleaned up a bit
|
||||
*/
|
||||
|
||||
/*
|
||||
* Invalidate L1 instruction cache.
|
||||
*/
|
||||
_GLOBAL(invalidate_l1_instruction_cache)
|
||||
/* use invalidate-all bit in HID0 */
|
||||
mfspr r3,HID0
|
||||
ori r3,r3,HID0_ICFI
|
||||
mtspr HID0,r3
|
||||
isync
|
||||
blr
|
||||
|
||||
/*
|
||||
* Invalidate L1 data cache.
|
||||
*/
|
||||
_GLOBAL(invalidate_l1_data_cache)
|
||||
mfspr r3,HID0
|
||||
ori r3,r3,HID0_DCFI
|
||||
mtspr HID0,r3
|
||||
isync
|
||||
blr
|
||||
|
||||
/*
|
||||
* Flush data cache.
|
||||
*/
|
||||
_GLOBAL(flush_data_cache)
|
||||
lis r3,0
|
||||
lis r5,CACHE_LINE_SIZE
|
||||
flush:
|
||||
cmp 0,1,r3,r5
|
||||
bge done
|
||||
lwz r5,0(r3)
|
||||
lis r5,CACHE_LINE_SIZE
|
||||
addi r3,r3,0x4
|
||||
b flush
|
||||
done:
|
||||
blr
|
||||
/*
|
||||
* Write any modified data cache blocks out to memory
|
||||
* and invalidate the corresponding instruction cache blocks.
|
||||
* This is a no-op on the 601.
|
||||
*
|
||||
* flush_icache_range(unsigned long start, unsigned long stop)
|
||||
*/
|
||||
_GLOBAL(flush_icache_range)
|
||||
li r5,CACHE_LINE_SIZE-1
|
||||
andc r3,r3,r5
|
||||
subf r4,r3,r4
|
||||
add r4,r4,r5
|
||||
srwi. r4,r4,LG_CACHE_LINE_SIZE
|
||||
beqlr
|
||||
mtctr r4
|
||||
mr r6,r3
|
||||
1: dcbst 0,r3
|
||||
addi r3,r3,CACHE_LINE_SIZE
|
||||
bdnz 1b
|
||||
sync /* wait for dcbst's to get to ram */
|
||||
mtctr r4
|
||||
2: icbi 0,r6
|
||||
addi r6,r6,CACHE_LINE_SIZE
|
||||
bdnz 2b
|
||||
sync /* additional sync needed on g4 */
|
||||
isync
|
||||
blr
|
||||
/*
|
||||
* Write any modified data cache blocks out to memory.
|
||||
* Does not invalidate the corresponding cache lines (especially for
|
||||
* any corresponding instruction cache).
|
||||
*
|
||||
* clean_dcache_range(unsigned long start, unsigned long stop)
|
||||
*/
|
||||
_GLOBAL(clean_dcache_range)
|
||||
li r5,CACHE_LINE_SIZE-1
|
||||
andc r3,r3,r5 /* align r3 down to cache line */
|
||||
subf r4,r3,r4 /* r4 = offset of stop from start of cache line */
|
||||
add r4,r4,r5 /* r4 += cache_line_size-1 */
|
||||
srwi. r4,r4,LG_CACHE_LINE_SIZE /* r4 = number of cache lines to flush */
|
||||
beqlr /* if r4 == 0 return */
|
||||
mtctr r4 /* ctr = r4 */
|
||||
|
||||
sync
|
||||
1: dcbst 0,r3
|
||||
addi r3,r3,CACHE_LINE_SIZE
|
||||
bdnz 1b
|
||||
sync /* wait for dcbst's to get to ram */
|
||||
blr
|
||||
|
||||
/*
|
||||
* Write any modified data cache blocks out to memory
|
||||
* and invalidate the corresponding instruction cache blocks.
|
||||
*
|
||||
* flush_dcache_range(unsigned long start, unsigned long stop)
|
||||
*/
|
||||
_GLOBAL(flush_dcache_range)
|
||||
li r5,CACHE_LINE_SIZE-1
|
||||
andc r3,r3,r5
|
||||
subf r4,r3,r4
|
||||
add r4,r4,r5
|
||||
srwi. r4,r4,LG_CACHE_LINE_SIZE
|
||||
beqlr
|
||||
mtctr r4
|
||||
|
||||
sync
|
||||
1: dcbf 0,r3
|
||||
addi r3,r3,CACHE_LINE_SIZE
|
||||
bdnz 1b
|
||||
sync /* wait for dcbf's to get to ram */
|
||||
blr
|
||||
|
||||
/*
|
||||
* Like above, but invalidate the D-cache. This is used by the 8xx
|
||||
* to invalidate the cache so the PPC core doesn't get stale data
|
||||
* from the CPM (no cache snooping here :-).
|
||||
*
|
||||
* invalidate_dcache_range(unsigned long start, unsigned long stop)
|
||||
*/
|
||||
_GLOBAL(invalidate_dcache_range)
|
||||
li r5,CACHE_LINE_SIZE-1
|
||||
andc r3,r3,r5
|
||||
subf r4,r3,r4
|
||||
add r4,r4,r5
|
||||
srwi. r4,r4,LG_CACHE_LINE_SIZE
|
||||
beqlr
|
||||
mtctr r4
|
||||
|
||||
sync
|
||||
1: dcbi 0,r3
|
||||
addi r3,r3,CACHE_LINE_SIZE
|
||||
bdnz 1b
|
||||
sync /* wait for dcbi's to get to ram */
|
||||
blr
|
||||
|
||||
/*
|
||||
* Flush a particular page from the data cache to RAM.
|
||||
* Note: this is necessary because the instruction cache does *not*
|
||||
* snoop from the data cache.
|
||||
*
|
||||
* void __flush_page_to_ram(void *page)
|
||||
*/
|
||||
_GLOBAL(__flush_page_to_ram)
|
||||
rlwinm r3,r3,0,0,19 /* Get page base address */
|
||||
li r4,4096/CACHE_LINE_SIZE /* Number of lines in a page */
|
||||
mtctr r4
|
||||
mr r6,r3
|
||||
0: dcbst 0,r3 /* Write line to ram */
|
||||
addi r3,r3,CACHE_LINE_SIZE
|
||||
bdnz 0b
|
||||
sync
|
||||
mtctr r4
|
||||
1: icbi 0,r6
|
||||
addi r6,r6,CACHE_LINE_SIZE
|
||||
bdnz 1b
|
||||
sync
|
||||
isync
|
||||
blr
|
||||
|
||||
/*
|
||||
* Flush a particular page from the instruction cache.
|
||||
* Note: this is necessary because the instruction cache does *not*
|
||||
* snoop from the data cache.
|
||||
*
|
||||
* void __flush_icache_page(void *page)
|
||||
*/
|
||||
_GLOBAL(__flush_icache_page)
|
||||
li r4,4096/CACHE_LINE_SIZE /* Number of lines in a page */
|
||||
mtctr r4
|
||||
1: icbi 0,r3
|
||||
addi r3,r3,CACHE_LINE_SIZE
|
||||
bdnz 1b
|
||||
sync
|
||||
isync
|
||||
blr
|
||||
|
||||
/*
|
||||
* Clear a page using the dcbz instruction, which doesn't cause any
|
||||
* memory traffic (except to write out any cache lines which get
|
||||
* displaced). This only works on cacheable memory.
|
||||
*/
|
||||
_GLOBAL(clear_page)
|
||||
li r0,4096/CACHE_LINE_SIZE
|
||||
mtctr r0
|
||||
1: dcbz 0,r3
|
||||
addi r3,r3,CACHE_LINE_SIZE
|
||||
bdnz 1b
|
||||
blr
|
||||
|
||||
/*
|
||||
* Enable L1 Instruction cache
|
||||
*/
|
||||
_GLOBAL(icache_enable)
|
||||
mfspr r3, HID0
|
||||
li r5, HID0_ICFI|HID0_ILOCK
|
||||
andc r3, r3, r5
|
||||
ori r3, r3, HID0_ICE
|
||||
ori r5, r3, HID0_ICFI
|
||||
mtspr HID0, r5
|
||||
mtspr HID0, r3
|
||||
isync
|
||||
blr
|
||||
|
||||
/*
|
||||
* Disable L1 Instruction cache
|
||||
*/
|
||||
_GLOBAL(icache_disable)
|
||||
mfspr r3, HID0
|
||||
li r5, 0
|
||||
ori r5, r5, HID0_ICE
|
||||
andc r3, r3, r5
|
||||
mtspr HID0, r3
|
||||
isync
|
||||
blr
|
||||
|
||||
/*
|
||||
* Is instruction cache enabled?
|
||||
*/
|
||||
_GLOBAL(icache_status)
|
||||
mfspr r3, HID0
|
||||
andi. r3, r3, HID0_ICE
|
||||
blr
|
||||
|
||||
|
||||
_GLOBAL(l1dcache_enable)
|
||||
mfspr r3, HID0
|
||||
li r5, HID0_DCFI|HID0_DLOCK
|
||||
andc r3, r3, r5
|
||||
mtspr HID0, r3 /* no invalidate, unlock */
|
||||
ori r3, r3, HID0_DCE
|
||||
ori r5, r3, HID0_DCFI
|
||||
mtspr HID0, r5 /* enable + invalidate */
|
||||
mtspr HID0, r3 /* enable */
|
||||
sync
|
||||
blr
|
||||
|
||||
/*
|
||||
* Enable data cache(s) - L1 and optionally L2
|
||||
* Calls l2cache_enable. LR saved in r5
|
||||
*/
|
||||
_GLOBAL(dcache_enable)
|
||||
mfspr r3, HID0
|
||||
li r5, HID0_DCFI|HID0_DLOCK
|
||||
andc r3, r3, r5
|
||||
mtspr HID0, r3 /* no invalidate, unlock */
|
||||
ori r3, r3, HID0_DCE
|
||||
ori r5, r3, HID0_DCFI
|
||||
mtspr HID0, r5 /* enable + invalidate */
|
||||
mtspr HID0, r3 /* enable */
|
||||
sync
|
||||
#ifdef CFG_L2
|
||||
mflr r5
|
||||
bl l2cache_enable /* uses r3 and r4 */
|
||||
sync
|
||||
mtlr r5
|
||||
#endif
|
||||
blr
|
||||
|
||||
|
||||
/*
|
||||
* Disable data cache(s) - L1 and optionally L2
|
||||
* Calls flush_data_cache and l2cache_disable_no_flush.
|
||||
* LR saved in r4
|
||||
*/
|
||||
_GLOBAL(dcache_disable)
|
||||
mflr r4 /* save link register */
|
||||
bl flush_data_cache /* uses r3 and r5 */
|
||||
sync
|
||||
mfspr r3, HID0
|
||||
li r5, HID0_DCFI|HID0_DLOCK
|
||||
andc r3, r3, r5
|
||||
mtspr HID0, r3 /* no invalidate, unlock */
|
||||
li r5, HID0_DCE|HID0_DCFI
|
||||
andc r3, r3, r5 /* no enable, no invalidate */
|
||||
mtspr HID0, r3
|
||||
sync
|
||||
#ifdef CFG_L2
|
||||
bl l2cache_disable_no_flush /* uses r3 */
|
||||
#endif
|
||||
mtlr r4 /* restore link register */
|
||||
blr
|
||||
|
||||
/*
|
||||
* Is data cache enabled?
|
||||
*/
|
||||
_GLOBAL(dcache_status)
|
||||
mfspr r3, HID0
|
||||
andi. r3, r3, HID0_DCE
|
||||
blr
|
||||
|
||||
/*
|
||||
* Invalidate L2 cache using L2I, assume L2 is enabled
|
||||
*/
|
||||
_GLOBAL(l2cache_invalidate)
|
||||
mfspr r3, l2cr
|
||||
rlwinm. r3, r3, 0, 0, 0
|
||||
beq 1f
|
||||
|
||||
mfspr r3, l2cr
|
||||
rlwinm r3, r3, 0, 1, 31
|
||||
|
||||
#ifdef CONFIG_ALTIVEC
|
||||
dssall
|
||||
#endif
|
||||
sync
|
||||
mtspr l2cr, r3
|
||||
sync
|
||||
1: mfspr r3, l2cr
|
||||
oris r3, r3, L2CR_L2I@h
|
||||
mtspr l2cr, r3
|
||||
|
||||
invl2:
|
||||
mfspr r3, l2cr
|
||||
andi. r3, r3, L2CR_L2I@h
|
||||
bne invl2
|
||||
blr
|
||||
|
||||
/*
|
||||
* Enable L2 cache
|
||||
* Calls l2cache_invalidate. LR is saved in r4
|
||||
*/
|
||||
_GLOBAL(l2cache_enable)
|
||||
mflr r4 /* save link register */
|
||||
bl l2cache_invalidate /* uses r3 */
|
||||
sync
|
||||
lis r3, L2_ENABLE@h
|
||||
ori r3, r3, L2_ENABLE@l
|
||||
mtspr l2cr, r3
|
||||
isync
|
||||
mtlr r4 /* restore link register */
|
||||
blr
|
||||
|
||||
/*
|
||||
* Disable L2 cache
|
||||
* Calls flush_data_cache. LR is saved in r4
|
||||
*/
|
||||
_GLOBAL(l2cache_disable)
|
||||
mflr r4 /* save link register */
|
||||
bl flush_data_cache /* uses r3 and r5 */
|
||||
sync
|
||||
mtlr r4 /* restore link register */
|
||||
l2cache_disable_no_flush: /* provide way to disable L2 w/o flushing */
|
||||
lis r3, L2_INIT@h
|
||||
ori r3, r3, L2_INIT@l
|
||||
mtspr l2cr, r3
|
||||
isync
|
||||
blr
|
26
cpu/mpc86xx/config.mk
Normal file
26
cpu/mpc86xx/config.mk
Normal file
@@ -0,0 +1,26 @@
|
||||
#
|
||||
# (C) Copyright 2004 Freescale Semiconductor.
|
||||
# Jeff Brown
|
||||
#
|
||||
# See file CREDITS for list of people who contributed to this
|
||||
# project.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License as
|
||||
# published by the Free Software Foundation; either version 2 of
|
||||
# the License, or (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
# MA 02111-1307 USA
|
||||
#
|
||||
|
||||
PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi
|
||||
|
||||
PLATFORM_CPPFLAGS += -DCONFIG_MPC86xx -ffixed-r2 -ffixed-r29 -mstring
|
308
cpu/mpc86xx/cpu.c
Normal file
308
cpu/mpc86xx/cpu.c
Normal file
@@ -0,0 +1,308 @@
|
||||
/*
|
||||
* Copyright 2006 Freescale Semiconductor
|
||||
* Jeff Brown
|
||||
* Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <watchdog.h>
|
||||
#include <command.h>
|
||||
#include <asm/cache.h>
|
||||
#include <mpc86xx.h>
|
||||
|
||||
#if defined(CONFIG_OF_FLAT_TREE)
|
||||
#include <ft_build.h>
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_MPC8641HPCN
|
||||
extern void mpc8641_reset_board(cmd_tbl_t *cmdtp, int flag,
|
||||
int argc, char *argv[]);
|
||||
#endif
|
||||
|
||||
|
||||
int
|
||||
checkcpu(void)
|
||||
{
|
||||
sys_info_t sysinfo;
|
||||
uint pvr, svr;
|
||||
uint ver;
|
||||
uint major, minor;
|
||||
uint lcrr; /* local bus clock ratio register */
|
||||
uint clkdiv; /* clock divider portion of lcrr */
|
||||
|
||||
puts("Freescale PowerPC\n");
|
||||
|
||||
pvr = get_pvr();
|
||||
ver = PVR_VER(pvr);
|
||||
major = PVR_MAJ(pvr);
|
||||
minor = PVR_MIN(pvr);
|
||||
|
||||
puts("CPU:\n");
|
||||
puts(" Core: ");
|
||||
|
||||
switch (ver) {
|
||||
case PVR_VER(PVR_86xx):
|
||||
puts("E600");
|
||||
break;
|
||||
default:
|
||||
puts("Unknown");
|
||||
break;
|
||||
}
|
||||
printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
|
||||
|
||||
svr = get_svr();
|
||||
ver = SVR_VER(svr);
|
||||
major = SVR_MAJ(svr);
|
||||
minor = SVR_MIN(svr);
|
||||
|
||||
puts(" System: ");
|
||||
switch (ver) {
|
||||
case SVR_8641:
|
||||
if (SVR_SUBVER(svr) == 1) {
|
||||
puts("8641D");
|
||||
} else {
|
||||
puts("8641");
|
||||
}
|
||||
break;
|
||||
default:
|
||||
puts("Unknown");
|
||||
break;
|
||||
}
|
||||
printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
|
||||
|
||||
get_sys_info(&sysinfo);
|
||||
|
||||
puts(" Clocks: ");
|
||||
printf("CPU:%4lu MHz, ", sysinfo.freqProcessor / 1000000);
|
||||
printf("MPX:%4lu MHz, ", sysinfo.freqSystemBus / 1000000);
|
||||
printf("DDR:%4lu MHz, ", sysinfo.freqSystemBus / 2000000);
|
||||
|
||||
#if defined(CFG_LBC_LCRR)
|
||||
lcrr = CFG_LBC_LCRR;
|
||||
#else
|
||||
{
|
||||
volatile immap_t *immap = (immap_t *) CFG_IMMR;
|
||||
volatile ccsr_lbc_t *lbc = &immap->im_lbc;
|
||||
|
||||
lcrr = lbc->lcrr;
|
||||
}
|
||||
#endif
|
||||
clkdiv = lcrr & 0x0f;
|
||||
if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) {
|
||||
printf("LBC:%4lu MHz\n",
|
||||
sysinfo.freqSystemBus / 1000000 / clkdiv);
|
||||
} else {
|
||||
printf(" LBC: unknown (lcrr: 0x%08x)\n", lcrr);
|
||||
}
|
||||
|
||||
puts(" L2: ");
|
||||
if (get_l2cr() & 0x80000000)
|
||||
puts("Enabled\n");
|
||||
else
|
||||
puts("Disabled\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static inline void
|
||||
soft_restart(unsigned long addr)
|
||||
{
|
||||
#ifndef CONFIG_MPC8641HPCN
|
||||
|
||||
/*
|
||||
* SRR0 has system reset vector, SRR1 has default MSR value
|
||||
* rfi restores MSR from SRR1 and sets the PC to the SRR0 value
|
||||
*/
|
||||
|
||||
__asm__ __volatile__ ("mtspr 26, %0" :: "r" (addr));
|
||||
__asm__ __volatile__ ("li 4, (1 << 6)" ::: "r4");
|
||||
__asm__ __volatile__ ("mtspr 27, 4");
|
||||
__asm__ __volatile__ ("rfi");
|
||||
|
||||
#else /* CONFIG_MPC8641HPCN */
|
||||
|
||||
out8(PIXIS_BASE + PIXIS_RST, 0);
|
||||
|
||||
#endif /* !CONFIG_MPC8641HPCN */
|
||||
|
||||
while (1) ; /* not reached */
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* No generic way to do board reset. Simply call soft_reset.
|
||||
*/
|
||||
void
|
||||
do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
#ifndef CONFIG_MPC8641HPCN
|
||||
|
||||
#ifdef CFG_RESET_ADDRESS
|
||||
ulong addr = CFG_RESET_ADDRESS;
|
||||
#else
|
||||
/*
|
||||
* note: when CFG_MONITOR_BASE points to a RAM address,
|
||||
* CFG_MONITOR_BASE - sizeof (ulong) is usually a valid
|
||||
* address. Better pick an address known to be invalid on your
|
||||
* system and assign it to CFG_RESET_ADDRESS.
|
||||
*/
|
||||
ulong addr = CFG_MONITOR_BASE - sizeof(ulong);
|
||||
#endif
|
||||
|
||||
/* flush and disable I/D cache */
|
||||
__asm__ __volatile__ ("mfspr 3, 1008" ::: "r3");
|
||||
__asm__ __volatile__ ("ori 5, 5, 0xcc00" ::: "r5");
|
||||
__asm__ __volatile__ ("ori 4, 3, 0xc00" ::: "r4");
|
||||
__asm__ __volatile__ ("andc 5, 3, 5" ::: "r5");
|
||||
__asm__ __volatile__ ("sync");
|
||||
__asm__ __volatile__ ("mtspr 1008, 4");
|
||||
__asm__ __volatile__ ("isync");
|
||||
__asm__ __volatile__ ("sync");
|
||||
__asm__ __volatile__ ("mtspr 1008, 5");
|
||||
__asm__ __volatile__ ("isync");
|
||||
__asm__ __volatile__ ("sync");
|
||||
|
||||
soft_restart(addr);
|
||||
|
||||
#else /* CONFIG_MPC8641HPCN */
|
||||
|
||||
mpc8641_reset_board(cmdtp, flag, argc, argv);
|
||||
|
||||
#endif /* !CONFIG_MPC8641HPCN */
|
||||
|
||||
while (1) ; /* not reached */
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Get timebase clock frequency
|
||||
*/
|
||||
unsigned long
|
||||
get_tbclk(void)
|
||||
{
|
||||
sys_info_t sys_info;
|
||||
|
||||
get_sys_info(&sys_info);
|
||||
return (sys_info.freqSystemBus + 3L) / 4L;
|
||||
}
|
||||
|
||||
|
||||
#if defined(CONFIG_WATCHDOG)
|
||||
void
|
||||
watchdog_reset(void)
|
||||
{
|
||||
}
|
||||
#endif /* CONFIG_WATCHDOG */
|
||||
|
||||
|
||||
#if defined(CONFIG_DDR_ECC)
|
||||
void
|
||||
dma_init(void)
|
||||
{
|
||||
volatile immap_t *immap = (immap_t *) CFG_IMMR;
|
||||
volatile ccsr_dma_t *dma = &immap->im_dma;
|
||||
|
||||
dma->satr0 = 0x00040000;
|
||||
dma->datr0 = 0x00040000;
|
||||
asm("sync; isync");
|
||||
}
|
||||
|
||||
uint
|
||||
dma_check(void)
|
||||
{
|
||||
volatile immap_t *immap = (immap_t *) CFG_IMMR;
|
||||
volatile ccsr_dma_t *dma = &immap->im_dma;
|
||||
volatile uint status = dma->sr0;
|
||||
|
||||
/* While the channel is busy, spin */
|
||||
while ((status & 4) == 4) {
|
||||
status = dma->sr0;
|
||||
}
|
||||
|
||||
if (status != 0) {
|
||||
printf("DMA Error: status = %x\n", status);
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
int
|
||||
dma_xfer(void *dest, uint count, void *src)
|
||||
{
|
||||
volatile immap_t *immap = (immap_t *) CFG_IMMR;
|
||||
volatile ccsr_dma_t *dma = &immap->im_dma;
|
||||
|
||||
dma->dar0 = (uint) dest;
|
||||
dma->sar0 = (uint) src;
|
||||
dma->bcr0 = count;
|
||||
dma->mr0 = 0xf000004;
|
||||
asm("sync;isync");
|
||||
dma->mr0 = 0xf000005;
|
||||
asm("sync;isync");
|
||||
return dma_check();
|
||||
}
|
||||
|
||||
#endif /* CONFIG_DDR_ECC */
|
||||
|
||||
|
||||
#ifdef CONFIG_OF_FLAT_TREE
|
||||
void
|
||||
ft_cpu_setup(void *blob, bd_t *bd)
|
||||
{
|
||||
u32 *p;
|
||||
ulong clock;
|
||||
int len;
|
||||
|
||||
clock = bd->bi_busfreq;
|
||||
p = ft_get_prop(blob, "/cpus/" OF_CPU "/bus-frequency", &len);
|
||||
if (p != NULL)
|
||||
*p = cpu_to_be32(clock);
|
||||
|
||||
p = ft_get_prop(blob, "/" OF_SOC "/serial@4500/clock-frequency", &len);
|
||||
if (p != NULL)
|
||||
*p = cpu_to_be32(clock);
|
||||
|
||||
p = ft_get_prop(blob, "/" OF_SOC "/serial@4600/clock-frequency", &len);
|
||||
if (p != NULL)
|
||||
*p = cpu_to_be32(clock);
|
||||
|
||||
#if defined(CONFIG_MPC86XX_TSEC1)
|
||||
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/mac-address", &len);
|
||||
memcpy(p, bd->bi_enetaddr, 6);
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_MPC86XX_TSEC2)
|
||||
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/mac-address", &len);
|
||||
memcpy(p, bd->bi_enet1addr, 6);
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_MPC86XX_TSEC3)
|
||||
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@26000/mac-address", &len);
|
||||
memcpy(p, bd->bi_enet2addr, 6);
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_MPC86XX_TSEC4)
|
||||
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@27000/mac-address", &len);
|
||||
memcpy(p, bd->bi_enet3addr, 6);
|
||||
#endif
|
||||
|
||||
}
|
||||
#endif
|
117
cpu/mpc86xx/cpu_init.c
Normal file
117
cpu/mpc86xx/cpu_init.c
Normal file
@@ -0,0 +1,117 @@
|
||||
/*
|
||||
* Copyright 2004 Freescale Semiconductor.
|
||||
* Jeff Brown
|
||||
* Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
/*
|
||||
* cpu_init.c - low level cpu init
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <mpc86xx.h>
|
||||
|
||||
/*
|
||||
* Breathe some life into the CPU...
|
||||
*
|
||||
* Set up the memory map
|
||||
* initialize a bunch of registers
|
||||
*/
|
||||
|
||||
void cpu_init_f(void)
|
||||
{
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
volatile immap_t *immap = (immap_t *)CFG_IMMR;
|
||||
volatile ccsr_lbc_t *memctl = &immap->im_lbc;
|
||||
|
||||
/* Pointer is writable since we allocated a register for it */
|
||||
gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
|
||||
|
||||
/* Clear initial global data */
|
||||
memset ((void *) gd, 0, sizeof (gd_t));
|
||||
|
||||
/* Map banks 0 and 1 to the FLASH banks 0 and 1 at preliminary
|
||||
* addresses - these have to be modified later when FLASH size
|
||||
* has been determined
|
||||
*/
|
||||
|
||||
#if defined(CFG_OR0_REMAP)
|
||||
memctl->or0 = CFG_OR0_REMAP;
|
||||
#endif
|
||||
#if defined(CFG_OR1_REMAP)
|
||||
memctl->or1 = CFG_OR1_REMAP;
|
||||
#endif
|
||||
|
||||
/* now restrict to preliminary range */
|
||||
#if defined(CFG_BR0_PRELIM) && defined(CFG_OR0_PRELIM)
|
||||
memctl->br0 = CFG_BR0_PRELIM;
|
||||
memctl->or0 = CFG_OR0_PRELIM;
|
||||
#endif
|
||||
|
||||
#if defined(CFG_BR1_PRELIM) && defined(CFG_OR1_PRELIM)
|
||||
memctl->or1 = CFG_OR1_PRELIM;
|
||||
memctl->br1 = CFG_BR1_PRELIM;
|
||||
#endif
|
||||
|
||||
#if defined(CFG_BR2_PRELIM) && defined(CFG_OR2_PRELIM)
|
||||
memctl->or2 = CFG_OR2_PRELIM;
|
||||
memctl->br2 = CFG_BR2_PRELIM;
|
||||
#endif
|
||||
|
||||
#if defined(CFG_BR3_PRELIM) && defined(CFG_OR3_PRELIM)
|
||||
memctl->or3 = CFG_OR3_PRELIM;
|
||||
memctl->br3 = CFG_BR3_PRELIM;
|
||||
#endif
|
||||
|
||||
#if defined(CFG_BR4_PRELIM) && defined(CFG_OR4_PRELIM)
|
||||
memctl->or4 = CFG_OR4_PRELIM;
|
||||
memctl->br4 = CFG_BR4_PRELIM;
|
||||
#endif
|
||||
|
||||
#if defined(CFG_BR5_PRELIM) && defined(CFG_OR5_PRELIM)
|
||||
memctl->or5 = CFG_OR5_PRELIM;
|
||||
memctl->br5 = CFG_BR5_PRELIM;
|
||||
#endif
|
||||
|
||||
#if defined(CFG_BR6_PRELIM) && defined(CFG_OR6_PRELIM)
|
||||
memctl->or6 = CFG_OR6_PRELIM;
|
||||
memctl->br6 = CFG_BR6_PRELIM;
|
||||
#endif
|
||||
|
||||
#if defined(CFG_BR7_PRELIM) && defined(CFG_OR7_PRELIM)
|
||||
memctl->or7 = CFG_OR7_PRELIM;
|
||||
memctl->br7 = CFG_BR7_PRELIM;
|
||||
#endif
|
||||
|
||||
/* enable the timebase bit in HID0 */
|
||||
set_hid0(get_hid0() | 0x4000000);
|
||||
|
||||
/* enable SYNCBE | ABE bits in HID1 */
|
||||
set_hid1(get_hid1() | 0x00000C00);
|
||||
}
|
||||
|
||||
/*
|
||||
* initialize higher level parts of CPU like timers
|
||||
*/
|
||||
int cpu_init_r(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
204
cpu/mpc86xx/interrupts.c
Normal file
204
cpu/mpc86xx/interrupts.c
Normal file
@@ -0,0 +1,204 @@
|
||||
/*
|
||||
* (C) Copyright 2000-2002
|
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
*
|
||||
* (C) Copyright 2002 (440 port)
|
||||
* Scott McNutt, Artesyn Communication Producs, smcnutt@artsyncp.com
|
||||
*
|
||||
* (C) Copyright 2003 Motorola Inc. (MPC85xx port)
|
||||
* Xianghua Xiao (X.Xiao@motorola.com)
|
||||
*
|
||||
* (C) Copyright 2004 Freescale Semiconductor. (MPC86xx Port)
|
||||
* Jeff Brown
|
||||
* Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <mpc86xx.h>
|
||||
#include <command.h>
|
||||
#include <asm/processor.h>
|
||||
#include <ppc_asm.tmpl>
|
||||
|
||||
unsigned long decrementer_count; /* count value for 1e6/HZ microseconds */
|
||||
unsigned long timestamp;
|
||||
|
||||
|
||||
static __inline__ unsigned long get_msr(void)
|
||||
{
|
||||
unsigned long msr;
|
||||
|
||||
asm volatile ("mfmsr %0":"=r" (msr):);
|
||||
|
||||
return msr;
|
||||
}
|
||||
|
||||
static __inline__ void set_msr(unsigned long msr)
|
||||
{
|
||||
asm volatile ("mtmsr %0"::"r" (msr));
|
||||
}
|
||||
|
||||
static __inline__ unsigned long get_dec(void)
|
||||
{
|
||||
unsigned long val;
|
||||
|
||||
asm volatile ("mfdec %0":"=r" (val):);
|
||||
|
||||
return val;
|
||||
}
|
||||
|
||||
static __inline__ void set_dec(unsigned long val)
|
||||
{
|
||||
if (val)
|
||||
asm volatile ("mtdec %0"::"r" (val));
|
||||
}
|
||||
|
||||
/* interrupt is not supported yet */
|
||||
int interrupt_init_cpu(unsigned *decrementer_count)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int interrupt_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
/* call cpu specific function from $(CPU)/interrupts.c */
|
||||
ret = interrupt_init_cpu(&decrementer_count);
|
||||
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
decrementer_count = get_tbclk() / CFG_HZ;
|
||||
debug("interrupt init: tbclk() = %d MHz, decrementer_count = %d\n",
|
||||
(get_tbclk() / 1000000),
|
||||
decrementer_count);
|
||||
|
||||
set_dec(decrementer_count);
|
||||
|
||||
set_msr(get_msr() | MSR_EE);
|
||||
|
||||
debug("MSR = 0x%08lx, Decrementer reg = 0x%08lx\n",
|
||||
get_msr(),
|
||||
get_dec());
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void enable_interrupts(void)
|
||||
{
|
||||
set_msr(get_msr() | MSR_EE);
|
||||
}
|
||||
|
||||
/* returns flag if MSR_EE was set before */
|
||||
int disable_interrupts(void)
|
||||
{
|
||||
ulong msr = get_msr();
|
||||
|
||||
set_msr(msr & ~MSR_EE);
|
||||
return (msr & MSR_EE) != 0;
|
||||
}
|
||||
|
||||
void increment_timestamp(void)
|
||||
{
|
||||
timestamp++;
|
||||
}
|
||||
|
||||
/*
|
||||
* timer_interrupt - gets called when the decrementer overflows,
|
||||
* with interrupts disabled.
|
||||
* Trivial implementation - no need to be really accurate.
|
||||
*/
|
||||
void timer_interrupt_cpu(struct pt_regs *regs)
|
||||
{
|
||||
/* nothing to do here */
|
||||
}
|
||||
|
||||
void timer_interrupt(struct pt_regs *regs)
|
||||
{
|
||||
/* call cpu specific function from $(CPU)/interrupts.c */
|
||||
timer_interrupt_cpu(regs);
|
||||
|
||||
timestamp++;
|
||||
|
||||
ppcDcbf(×tamp);
|
||||
|
||||
/* Restore Decrementer Count */
|
||||
set_dec(decrementer_count);
|
||||
|
||||
#if defined(CONFIG_WATCHDOG) || defined (CONFIG_HW_WATCHDOG)
|
||||
if ((timestamp % (CFG_WATCHDOG_FREQ)) == 0)
|
||||
WATCHDOG_RESET();
|
||||
#endif /* CONFIG_WATCHDOG || CONFIG_HW_WATCHDOG */
|
||||
|
||||
#ifdef CONFIG_STATUS_LED
|
||||
status_led_tick(timestamp);
|
||||
#endif /* CONFIG_STATUS_LED */
|
||||
|
||||
#ifdef CONFIG_SHOW_ACTIVITY
|
||||
board_show_activity(timestamp);
|
||||
#endif /* CONFIG_SHOW_ACTIVITY */
|
||||
|
||||
}
|
||||
|
||||
void reset_timer(void)
|
||||
{
|
||||
timestamp = 0;
|
||||
}
|
||||
|
||||
ulong get_timer(ulong base)
|
||||
{
|
||||
return timestamp - base;
|
||||
}
|
||||
|
||||
void set_timer(ulong t)
|
||||
{
|
||||
timestamp = t;
|
||||
}
|
||||
|
||||
/*
|
||||
* Install and free a interrupt handler. Not implemented yet.
|
||||
*/
|
||||
|
||||
void irq_install_handler(int vec, interrupt_handler_t *handler, void *arg)
|
||||
{
|
||||
}
|
||||
|
||||
void irq_free_handler(int vec)
|
||||
{
|
||||
}
|
||||
|
||||
/*
|
||||
* irqinfo - print information about PCI devices,not implemented.
|
||||
*/
|
||||
int do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
||||
{
|
||||
printf("\nInterrupt-unsupported:\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Handle external interrupts
|
||||
*/
|
||||
void external_interrupt(struct pt_regs *regs)
|
||||
{
|
||||
puts("external_interrupt (oops!)\n");
|
||||
}
|
146
cpu/mpc86xx/pci.c
Normal file
146
cpu/mpc86xx/pci.c
Normal file
@@ -0,0 +1,146 @@
|
||||
/*
|
||||
* Copyright (C) Freescale Semiconductor,Inc.
|
||||
* 2005, 2006. All rights reserved.
|
||||
*
|
||||
* Ed Swarthout (ed.swarthout@freescale.com)
|
||||
* Jason Jin (Jason.jin@freescale.com)
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
/*
|
||||
* PCIE Configuration space access support for PCIE Bridge
|
||||
*/
|
||||
#include <common.h>
|
||||
#include <pci.h>
|
||||
|
||||
#if defined(CONFIG_PCI)
|
||||
void
|
||||
pci_mpc86xx_init(struct pci_controller *hose)
|
||||
{
|
||||
volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
|
||||
volatile ccsr_pex_t *pcie1 = &immap->im_pex1;
|
||||
u16 temp16;
|
||||
u32 temp32;
|
||||
|
||||
volatile ccsr_gur_t *gur = &immap->im_gur;
|
||||
uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
|
||||
uint pcie1_host = (host1_agent == 2) || (host1_agent == 3);
|
||||
uint pcie1_agent = (host1_agent == 0) || (host1_agent == 1);
|
||||
uint devdisr = gur->devdisr;
|
||||
uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
|
||||
|
||||
if ((io_sel == 2 || io_sel == 3 || io_sel == 5 || io_sel == 6 ||
|
||||
io_sel == 7 || io_sel == 0xf)
|
||||
&& !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
|
||||
printf("PCI-EXPRESS 1: Configured as %s \n",
|
||||
pcie1_agent ? "Agent" : "Host");
|
||||
if (pcie1_agent)
|
||||
return; /*Don't scan bus when configured as agent */
|
||||
printf(" Scanning PCIE bus");
|
||||
debug("0x%08x=0x%08x ",
|
||||
&pcie1->pme_msg_det,
|
||||
pcie1->pme_msg_det);
|
||||
if (pcie1->pme_msg_det) {
|
||||
pcie1->pme_msg_det = 0xffffffff;
|
||||
debug(" with errors. Clearing. Now 0x%08x",
|
||||
pcie1->pme_msg_det);
|
||||
}
|
||||
debug("\n");
|
||||
} else {
|
||||
printf("PCI-EXPRESS 1 disabled!\n");
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set first_bus=0 only skipped B0:D0:F0 which is
|
||||
* a reserved device in M1575, but make it easy for
|
||||
* most of the scan process.
|
||||
*/
|
||||
hose->first_busno = 0x00;
|
||||
hose->last_busno = 0xfe;
|
||||
|
||||
pcie_setup_indirect(hose, (CFG_IMMR + 0x8000), (CFG_IMMR + 0x8004));
|
||||
|
||||
pci_hose_read_config_word(hose,
|
||||
PCI_BDF(0, 0, 0), PCI_COMMAND, &temp16);
|
||||
temp16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER |
|
||||
PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
|
||||
pci_hose_write_config_word(hose,
|
||||
PCI_BDF(0, 0, 0), PCI_COMMAND, temp16);
|
||||
|
||||
pci_hose_write_config_word(hose, PCI_BDF(0, 0, 0), PCI_STATUS, 0xffff);
|
||||
pci_hose_write_config_byte(hose,
|
||||
PCI_BDF(0, 0, 0), PCI_LATENCY_TIMER, 0x80);
|
||||
|
||||
pci_hose_read_config_dword(hose, PCI_BDF(0, 0, 0), PCI_PRIMARY_BUS,
|
||||
&temp32);
|
||||
temp32 = (temp32 & 0xff000000) | (0xff) | (0x0 << 8) | (0xfe << 16);
|
||||
pci_hose_write_config_dword(hose, PCI_BDF(0, 0, 0), PCI_PRIMARY_BUS,
|
||||
temp32);
|
||||
|
||||
pcie1->powar1 = 0;
|
||||
pcie1->powar2 = 0;
|
||||
pcie1->piwar1 = 0;
|
||||
pcie1->piwar1 = 0;
|
||||
|
||||
pcie1->powbar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
|
||||
pcie1->powar1 = 0x8004401c; /* 512M MEM space */
|
||||
pcie1->potar1 = (CFG_PCI1_MEM_BASE >> 12) & 0x000fffff;
|
||||
pcie1->potear1 = 0x00000000;
|
||||
|
||||
pcie1->powbar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff;
|
||||
pcie1->powar2 = 0x80088017; /* 16M IO space */
|
||||
pcie1->potar2 = 0x00000000;
|
||||
pcie1->potear2 = 0x00000000;
|
||||
|
||||
pcie1->pitar1 = 0x00000000;
|
||||
pcie1->piwbar1 = 0x00000000;
|
||||
/* Enable, Prefetch, Local Mem, * Snoop R/W, 2G */
|
||||
pcie1->piwar1 = 0xa0f5501e;
|
||||
|
||||
pci_set_region(hose->regions + 0,
|
||||
CFG_PCI_MEMORY_BUS,
|
||||
CFG_PCI_MEMORY_PHYS,
|
||||
CFG_PCI_MEMORY_SIZE,
|
||||
PCI_REGION_MEM | PCI_REGION_MEMORY);
|
||||
|
||||
pci_set_region(hose->regions + 1,
|
||||
CFG_PCI1_MEM_BASE,
|
||||
CFG_PCI1_MEM_PHYS,
|
||||
CFG_PCI1_MEM_SIZE,
|
||||
PCI_REGION_MEM);
|
||||
|
||||
pci_set_region(hose->regions + 2,
|
||||
CFG_PCI1_IO_BASE,
|
||||
CFG_PCI1_IO_PHYS,
|
||||
CFG_PCI1_IO_SIZE,
|
||||
PCI_REGION_IO);
|
||||
|
||||
hose->region_count = 3;
|
||||
|
||||
pci_register_hose(hose);
|
||||
|
||||
hose->last_busno = pci_hose_scan(hose);
|
||||
debug("pcie_mpc86xx_init: last_busno %x\n", hose->last_busno);
|
||||
debug("pcie_mpc86xx init: current_busno %x\n ", hose->current_busno);
|
||||
|
||||
printf("....PCIE1 scan & enumeration done\n");
|
||||
}
|
||||
#endif /* CONFIG_PCI */
|
199
cpu/mpc86xx/pcie_indirect.c
Normal file
199
cpu/mpc86xx/pcie_indirect.c
Normal file
@@ -0,0 +1,199 @@
|
||||
/*
|
||||
* Support for indirect PCI bridges.
|
||||
*
|
||||
* Copyright (c) Freescale Semiconductor, Inc.
|
||||
* 2006. All rights reserved.
|
||||
*
|
||||
* Jason Jin <Jason.jin@freescale.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version
|
||||
* 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* partly derived from
|
||||
* arch/powerpc/platforms/86xx/mpc86xx_pcie.c
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
|
||||
#ifdef CONFIG_PCI
|
||||
|
||||
#include <asm/processor.h>
|
||||
#include <asm/io.h>
|
||||
#include <pci.h>
|
||||
|
||||
#define PCI_CFG_OUT out_be32
|
||||
#define PEX_FIX out_be32(hose->cfg_addr+0x4, 0x0400ffff)
|
||||
|
||||
static int
|
||||
indirect_read_config_pcie(struct pci_controller *hose,
|
||||
pci_dev_t dev,
|
||||
int offset,
|
||||
int len,
|
||||
u32 *val)
|
||||
{
|
||||
int bus = PCI_BUS(dev);
|
||||
|
||||
volatile unsigned char *cfg_data;
|
||||
u32 temp;
|
||||
|
||||
PEX_FIX;
|
||||
if (bus == 0xff) {
|
||||
PCI_CFG_OUT(hose->cfg_addr,
|
||||
dev | (offset & 0xfc) | 0x80000001);
|
||||
} else {
|
||||
PCI_CFG_OUT(hose->cfg_addr,
|
||||
dev | (offset & 0xfc) | 0x80000000);
|
||||
}
|
||||
/*
|
||||
* Note: the caller has already checked that offset is
|
||||
* suitably aligned and that len is 1, 2 or 4.
|
||||
*/
|
||||
/* ERRATA PCI-Ex 12 - Configuration Address/Data Alignment */
|
||||
cfg_data = hose->cfg_data;
|
||||
PEX_FIX;
|
||||
temp = in_le32((u32 *) cfg_data);
|
||||
switch (len) {
|
||||
case 1:
|
||||
*val = (temp >> (((offset & 3)) * 8)) & 0xff;
|
||||
break;
|
||||
case 2:
|
||||
*val = (temp >> (((offset & 3)) * 8)) & 0xffff;
|
||||
break;
|
||||
default:
|
||||
*val = temp;
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
indirect_write_config_pcie(struct pci_controller *hose,
|
||||
pci_dev_t dev,
|
||||
int offset,
|
||||
int len,
|
||||
u32 val)
|
||||
{
|
||||
int bus = PCI_BUS(dev);
|
||||
volatile unsigned char *cfg_data;
|
||||
u32 temp;
|
||||
|
||||
PEX_FIX;
|
||||
if (bus == 0xff) {
|
||||
PCI_CFG_OUT(hose->cfg_addr,
|
||||
dev | (offset & 0xfc) | 0x80000001);
|
||||
} else {
|
||||
PCI_CFG_OUT(hose->cfg_addr,
|
||||
dev | (offset & 0xfc) | 0x80000000);
|
||||
}
|
||||
|
||||
/*
|
||||
* Note: the caller has already checked that offset is
|
||||
* suitably aligned and that len is 1, 2 or 4.
|
||||
*/
|
||||
/* ERRATA PCI-Ex 12 - Configuration Address/Data Alignment */
|
||||
cfg_data = hose->cfg_data;
|
||||
switch (len) {
|
||||
case 1:
|
||||
PEX_FIX;
|
||||
temp = in_le32((u32 *) cfg_data);
|
||||
temp = (temp & ~(0xff << ((offset & 3) * 8))) |
|
||||
(val << ((offset & 3) * 8));
|
||||
PEX_FIX;
|
||||
out_le32((u32 *) cfg_data, temp);
|
||||
break;
|
||||
case 2:
|
||||
PEX_FIX;
|
||||
temp = in_le32((u32 *) cfg_data);
|
||||
temp = (temp & ~(0xffff << ((offset & 3) * 8)));
|
||||
temp |= (val << ((offset & 3) * 8));
|
||||
PEX_FIX;
|
||||
out_le32((u32 *) cfg_data, temp);
|
||||
break;
|
||||
default:
|
||||
PEX_FIX;
|
||||
out_le32((u32 *) cfg_data, val);
|
||||
break;
|
||||
}
|
||||
PEX_FIX;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
indirect_read_config_byte_pcie(struct pci_controller *hose,
|
||||
pci_dev_t dev,
|
||||
int offset,
|
||||
u8 *val)
|
||||
{
|
||||
u32 val32;
|
||||
indirect_read_config_pcie(hose, dev, offset, 1, &val32);
|
||||
*val = (u8) val32;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
indirect_read_config_word_pcie(struct pci_controller *hose,
|
||||
pci_dev_t dev,
|
||||
int offset,
|
||||
u16 *val)
|
||||
{
|
||||
u32 val32;
|
||||
indirect_read_config_pcie(hose, dev, offset, 2, &val32);
|
||||
*val = (u16) val32;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
indirect_read_config_dword_pcie(struct pci_controller *hose,
|
||||
pci_dev_t dev,
|
||||
int offset,
|
||||
u32 *val)
|
||||
{
|
||||
return indirect_read_config_pcie(hose, dev, offset, 4, val);
|
||||
}
|
||||
|
||||
static int
|
||||
indirect_write_config_byte_pcie(struct pci_controller *hose,
|
||||
pci_dev_t dev,
|
||||
int offset,
|
||||
u8 val)
|
||||
{
|
||||
return indirect_write_config_pcie(hose, dev, offset, 1, (u32) val);
|
||||
}
|
||||
|
||||
static int
|
||||
indirect_write_config_word_pcie(struct pci_controller *hose,
|
||||
pci_dev_t dev,
|
||||
int offset,
|
||||
unsigned short val)
|
||||
{
|
||||
return indirect_write_config_pcie(hose, dev, offset, 2, (u32) val);
|
||||
}
|
||||
|
||||
static int
|
||||
indirect_write_config_dword_pcie(struct pci_controller *hose,
|
||||
pci_dev_t dev,
|
||||
int offset,
|
||||
u32 val)
|
||||
{
|
||||
return indirect_write_config_pcie(hose, dev, offset, 4, val);
|
||||
}
|
||||
|
||||
void
|
||||
pcie_setup_indirect(struct pci_controller *hose, u32 cfg_addr, u32 cfg_data)
|
||||
{
|
||||
pci_set_ops(hose,
|
||||
indirect_read_config_byte_pcie,
|
||||
indirect_read_config_word_pcie,
|
||||
indirect_read_config_dword_pcie,
|
||||
indirect_write_config_byte_pcie,
|
||||
indirect_write_config_word_pcie,
|
||||
indirect_write_config_dword_pcie);
|
||||
|
||||
hose->cfg_addr = (unsigned int *)cfg_addr;
|
||||
hose->cfg_data = (unsigned char *)cfg_data;
|
||||
}
|
||||
|
||||
#endif /* CONFIG_PCI */
|
2
cpu/mpc86xx/resetvec.S
Normal file
2
cpu/mpc86xx/resetvec.S
Normal file
@@ -0,0 +1,2 @@
|
||||
.section .resetvec,"ax"
|
||||
b _start
|
1320
cpu/mpc86xx/spd_sdram.c
Normal file
1320
cpu/mpc86xx/spd_sdram.c
Normal file
File diff suppressed because it is too large
Load Diff
127
cpu/mpc86xx/speed.c
Normal file
127
cpu/mpc86xx/speed.c
Normal file
@@ -0,0 +1,127 @@
|
||||
/*
|
||||
* Copyright 2004 Freescale Semiconductor.
|
||||
* Jeff Brown
|
||||
* Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
|
||||
*
|
||||
* (C) Copyright 2000-2002
|
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <mpc86xx.h>
|
||||
#include <asm/processor.h>
|
||||
|
||||
|
||||
void get_sys_info(sys_info_t *sysInfo)
|
||||
{
|
||||
volatile immap_t *immap = (immap_t *) CFG_IMMR;
|
||||
volatile ccsr_gur_t *gur = &immap->im_gur;
|
||||
uint plat_ratio, e600_ratio;
|
||||
|
||||
plat_ratio = (gur->porpllsr) & 0x0000003e;
|
||||
plat_ratio >>= 1;
|
||||
|
||||
switch (plat_ratio) {
|
||||
case 0x0:
|
||||
sysInfo->freqSystemBus = 16 * CONFIG_SYS_CLK_FREQ;
|
||||
break;
|
||||
case 0x02:
|
||||
case 0x03:
|
||||
case 0x04:
|
||||
case 0x05:
|
||||
case 0x06:
|
||||
case 0x08:
|
||||
case 0x09:
|
||||
case 0x0a:
|
||||
case 0x0c:
|
||||
case 0x10:
|
||||
sysInfo->freqSystemBus = plat_ratio * CONFIG_SYS_CLK_FREQ;
|
||||
break;
|
||||
default:
|
||||
sysInfo->freqSystemBus = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
e600_ratio = (gur->porpllsr) & 0x003f0000;
|
||||
e600_ratio >>= 16;
|
||||
|
||||
switch (e600_ratio) {
|
||||
case 0x10:
|
||||
sysInfo->freqProcessor = 2 * sysInfo->freqSystemBus;
|
||||
break;
|
||||
case 0x19:
|
||||
sysInfo->freqProcessor = 5 * sysInfo->freqSystemBus / 2;
|
||||
break;
|
||||
case 0x20:
|
||||
sysInfo->freqProcessor = 3 * sysInfo->freqSystemBus;
|
||||
break;
|
||||
case 0x39:
|
||||
sysInfo->freqProcessor = 7 * sysInfo->freqSystemBus / 2;
|
||||
break;
|
||||
case 0x28:
|
||||
sysInfo->freqProcessor = 4 * sysInfo->freqSystemBus;
|
||||
break;
|
||||
case 0x1d:
|
||||
sysInfo->freqProcessor = 9 * sysInfo->freqSystemBus / 2;
|
||||
break;
|
||||
default:
|
||||
sysInfo->freqProcessor = e600_ratio + sysInfo->freqSystemBus;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Measure CPU clock speed (core clock GCLK1, GCLK2)
|
||||
* (Approx. GCLK frequency in Hz)
|
||||
*/
|
||||
|
||||
int get_clocks(void)
|
||||
{
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
sys_info_t sys_info;
|
||||
|
||||
get_sys_info(&sys_info);
|
||||
gd->cpu_clk = sys_info.freqProcessor;
|
||||
gd->bus_clk = sys_info.freqSystemBus;
|
||||
|
||||
if (gd->cpu_clk != 0)
|
||||
return 0;
|
||||
else
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* get_bus_freq
|
||||
* Return system bus freq in Hz
|
||||
*/
|
||||
|
||||
ulong get_bus_freq(ulong dummy)
|
||||
{
|
||||
ulong val;
|
||||
sys_info_t sys_info;
|
||||
|
||||
get_sys_info(&sys_info);
|
||||
val = sys_info.freqSystemBus;
|
||||
|
||||
return val;
|
||||
}
|
1226
cpu/mpc86xx/start.S
Normal file
1226
cpu/mpc86xx/start.S
Normal file
File diff suppressed because it is too large
Load Diff
226
cpu/mpc86xx/traps.c
Normal file
226
cpu/mpc86xx/traps.c
Normal file
@@ -0,0 +1,226 @@
|
||||
/*
|
||||
* Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
|
||||
*
|
||||
* Modified by Cort Dougan (cort@cs.nmt.edu)
|
||||
* and Paul Mackerras (paulus@cs.anu.edu.au)
|
||||
*
|
||||
* (C) Copyright 2000
|
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
/*
|
||||
* This file handles the architecture-dependent parts of hardware exceptions
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <command.h>
|
||||
#include <asm/processor.h>
|
||||
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
|
||||
int (*debugger_exception_handler)(struct pt_regs *) = 0;
|
||||
#endif
|
||||
|
||||
/* Returns 0 if exception not found and fixup otherwise. */
|
||||
extern unsigned long search_exception_table(unsigned long);
|
||||
|
||||
#define END_OF_MEM (gd->bd->bi_memstart + gd->bd->bi_memsize)
|
||||
|
||||
/*
|
||||
* Trap & Exception support
|
||||
*/
|
||||
|
||||
void
|
||||
print_backtrace(unsigned long *sp)
|
||||
{
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
int cnt = 0;
|
||||
unsigned long i;
|
||||
|
||||
printf("Call backtrace: ");
|
||||
while (sp) {
|
||||
if ((uint) sp > END_OF_MEM)
|
||||
break;
|
||||
|
||||
i = sp[1];
|
||||
if (cnt++ % 7 == 0)
|
||||
printf("\n");
|
||||
printf("%08lX ", i);
|
||||
if (cnt > 32)
|
||||
break;
|
||||
sp = (unsigned long *)*sp;
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
void
|
||||
show_regs(struct pt_regs *regs)
|
||||
{
|
||||
int i;
|
||||
|
||||
printf("NIP: %08lX XER: %08lX LR: %08lX REGS:"
|
||||
" %p TRAP: %04lx DAR: %08lX\n",
|
||||
regs->nip, regs->xer, regs->link, regs, regs->trap, regs->dar);
|
||||
printf("MSR: %08lx EE: %01x PR: %01x FP:"
|
||||
" %01x ME: %01x IR/DR: %01x%01x\n",
|
||||
regs->msr, regs->msr & MSR_EE ? 1 : 0,
|
||||
regs->msr & MSR_PR ? 1 : 0, regs->msr & MSR_FP ? 1 : 0,
|
||||
regs->msr & MSR_ME ? 1 : 0, regs->msr & MSR_IR ? 1 : 0,
|
||||
regs->msr & MSR_DR ? 1 : 0);
|
||||
|
||||
printf("\n");
|
||||
for (i = 0; i < 32; i++) {
|
||||
if ((i % 8) == 0) {
|
||||
printf("GPR%02d: ", i);
|
||||
}
|
||||
|
||||
printf("%08lX ", regs->gpr[i]);
|
||||
if ((i % 8) == 7) {
|
||||
printf("\n");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
_exception(int signr, struct pt_regs *regs)
|
||||
{
|
||||
show_regs(regs);
|
||||
print_backtrace((unsigned long *)regs->gpr[1]);
|
||||
panic("Exception in kernel pc %lx signal %d", regs->nip, signr);
|
||||
}
|
||||
|
||||
void
|
||||
MachineCheckException(struct pt_regs *regs)
|
||||
{
|
||||
unsigned long fixup;
|
||||
|
||||
/* Probing PCI using config cycles cause this exception
|
||||
* when a device is not present. Catch it and return to
|
||||
* the PCI exception handler.
|
||||
*/
|
||||
if ((fixup = search_exception_table(regs->nip)) != 0) {
|
||||
regs->nip = fixup;
|
||||
return;
|
||||
}
|
||||
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
|
||||
if (debugger_exception_handler && (*debugger_exception_handler) (regs))
|
||||
return;
|
||||
#endif
|
||||
|
||||
printf("Machine check in kernel mode.\n");
|
||||
printf("Caused by (from msr): ");
|
||||
printf("regs %p ", regs);
|
||||
switch (regs->msr & 0x000F0000) {
|
||||
case (0x80000000 >> 12):
|
||||
printf("Machine check signal - probably due to mm fault\n"
|
||||
"with mmu off\n");
|
||||
break;
|
||||
case (0x80000000 >> 13):
|
||||
printf("Transfer error ack signal\n");
|
||||
break;
|
||||
case (0x80000000 >> 14):
|
||||
printf("Data parity signal\n");
|
||||
break;
|
||||
case (0x80000000 >> 15):
|
||||
printf("Address parity signal\n");
|
||||
break;
|
||||
default:
|
||||
printf("Unknown values in msr\n");
|
||||
}
|
||||
show_regs(regs);
|
||||
print_backtrace((unsigned long *)regs->gpr[1]);
|
||||
panic("machine check");
|
||||
}
|
||||
|
||||
void
|
||||
AlignmentException(struct pt_regs *regs)
|
||||
{
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
|
||||
if (debugger_exception_handler && (*debugger_exception_handler) (regs))
|
||||
return;
|
||||
#endif
|
||||
show_regs(regs);
|
||||
print_backtrace((unsigned long *)regs->gpr[1]);
|
||||
panic("Alignment Exception");
|
||||
}
|
||||
|
||||
void
|
||||
ProgramCheckException(struct pt_regs *regs)
|
||||
{
|
||||
unsigned char *p = regs ? (unsigned char *)(regs->nip) : NULL;
|
||||
int i, j;
|
||||
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
|
||||
if (debugger_exception_handler && (*debugger_exception_handler) (regs))
|
||||
return;
|
||||
#endif
|
||||
show_regs(regs);
|
||||
|
||||
p = (unsigned char *)((unsigned long)p & 0xFFFFFFE0);
|
||||
p -= 32;
|
||||
for (i = 0; i < 256; i += 16) {
|
||||
printf("%08x: ", (unsigned int)p + i);
|
||||
for (j = 0; j < 16; j++) {
|
||||
printf("%02x ", p[i + j]);
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
print_backtrace((unsigned long *)regs->gpr[1]);
|
||||
panic("Program Check Exception");
|
||||
}
|
||||
|
||||
void
|
||||
SoftEmuException(struct pt_regs *regs)
|
||||
{
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
|
||||
if (debugger_exception_handler && (*debugger_exception_handler) (regs))
|
||||
return;
|
||||
#endif
|
||||
show_regs(regs);
|
||||
print_backtrace((unsigned long *)regs->gpr[1]);
|
||||
panic("Software Emulation Exception");
|
||||
}
|
||||
|
||||
void
|
||||
UnknownException(struct pt_regs *regs)
|
||||
{
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
|
||||
if (debugger_exception_handler && (*debugger_exception_handler) (regs))
|
||||
return;
|
||||
#endif
|
||||
printf("Bad trap at PC: %lx, SR: %lx, vector=%lx\n",
|
||||
regs->nip, regs->msr, regs->trap);
|
||||
_exception(0, regs);
|
||||
}
|
||||
|
||||
/*
|
||||
* Probe an address by reading.
|
||||
* If not present, return -1,
|
||||
* otherwise return 0.
|
||||
*/
|
||||
int
|
||||
addr_probe(uint *addr)
|
||||
{
|
||||
return 0;
|
||||
}
|
@@ -41,7 +41,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS) $(obj)kgdb.o
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS) $(obj)kgdb.o
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -36,7 +36,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -36,7 +36,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -41,7 +41,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -196,6 +196,7 @@ int checkcpu (void)
|
||||
char buf[32];
|
||||
|
||||
#if !defined(CONFIG_IOP480)
|
||||
char addstr[64] = "";
|
||||
sys_info_t sys_info;
|
||||
|
||||
puts ("CPU: ");
|
||||
@@ -312,19 +313,23 @@ int checkcpu (void)
|
||||
#endif /* CONFIG_440 */
|
||||
|
||||
case PVR_440EPX1_RA:
|
||||
puts("EPx Rev. A - Security/Kasumi support");
|
||||
puts("EPx Rev. A");
|
||||
strcpy(addstr, "Security/Kasumi support");
|
||||
break;
|
||||
|
||||
case PVR_440EPX2_RA:
|
||||
puts("EPx Rev. A - No Security/Kasumi support");
|
||||
puts("EPx Rev. A");
|
||||
strcpy(addstr, "No Security/Kasumi support");
|
||||
break;
|
||||
|
||||
case PVR_440GRX1_RA:
|
||||
puts("GRx Rev. A - Security/Kasumi support");
|
||||
puts("GRx Rev. A");
|
||||
strcpy(addstr, "Security/Kasumi support");
|
||||
break;
|
||||
|
||||
case PVR_440GRX2_RA:
|
||||
puts("GRx Rev. A - No Security/Kasumi support");
|
||||
puts("GRx Rev. A");
|
||||
strcpy(addstr, "No Security/Kasumi support");
|
||||
break;
|
||||
|
||||
case PVR_440SP_RA:
|
||||
@@ -353,13 +358,16 @@ int checkcpu (void)
|
||||
sys_info.freqPLB / sys_info.pllOpbDiv / 1000000,
|
||||
FREQ_EBC / 1000000);
|
||||
|
||||
if (addstr[0] != 0)
|
||||
printf(" %s\n", addstr);
|
||||
|
||||
#if defined(I2C_BOOTROM)
|
||||
printf (" I2C boot EEPROM %sabled\n", i2c_bootrom_enabled() ? "en" : "dis");
|
||||
#if defined(SDR0_PINSTP_SHIFT)
|
||||
printf (" Bootstrap Option %c - ", (char)bootstrap_option() + 'A');
|
||||
printf ("Boot ROM Location %s\n", bootstrap_str[bootstrap_option()]);
|
||||
#endif
|
||||
#endif
|
||||
#endif /* SDR0_PINSTP_SHIFT */
|
||||
#endif /* I2C_BOOTROM */
|
||||
|
||||
#if defined(CONFIG_PCI)
|
||||
printf (" Internal PCI arbiter %sabled", pci_arbiter_enabled() ? "en" : "dis");
|
||||
|
@@ -226,13 +226,19 @@ cpu_init_f (void)
|
||||
/*
|
||||
* GPIO0 setup (select GPIO or alternate function)
|
||||
*/
|
||||
out32(GPIO0_OSRH, CFG_GPIO0_OSRH); /* output select */
|
||||
#if defined(CFG_GPIO0_OR)
|
||||
out32(GPIO0_OR, CFG_GPIO0_OR); /* set initial state of output pins */
|
||||
#endif
|
||||
#if defined(CFG_GPIO0_ODR)
|
||||
out32(GPIO0_ODR, CFG_GPIO0_ODR); /* open-drain select */
|
||||
#endif
|
||||
out32(GPIO0_OSRH, CFG_GPIO0_OSRH); /* output select */
|
||||
out32(GPIO0_OSRL, CFG_GPIO0_OSRL);
|
||||
out32(GPIO0_ISR1H, CFG_GPIO0_ISR1H); /* input select */
|
||||
out32(GPIO0_ISR1H, CFG_GPIO0_ISR1H); /* input select */
|
||||
out32(GPIO0_ISR1L, CFG_GPIO0_ISR1L);
|
||||
out32(GPIO0_TSRH, CFG_GPIO0_TSRH); /* three-state select */
|
||||
out32(GPIO0_TSRH, CFG_GPIO0_TSRH); /* three-state select */
|
||||
out32(GPIO0_TSRL, CFG_GPIO0_TSRL);
|
||||
out32(GPIO0_TCR, CFG_GPIO0_TCR); /* enable output driver for outputs */
|
||||
out32(GPIO0_TCR, CFG_GPIO0_TCR); /* enable output driver for outputs */
|
||||
|
||||
/*
|
||||
* Set EMAC noise filter bits
|
||||
|
@@ -65,8 +65,8 @@ static void ndfc_hwcontrol(struct mtd_info *mtdinfo, int cmd)
|
||||
|
||||
static void ndfc_write_byte(struct mtd_info *mtdinfo, u_char byte)
|
||||
{
|
||||
struct nand_chip *this = mtdinfo->priv;
|
||||
ulong base = (ulong) this->IO_ADDR_W;
|
||||
struct nand_chip *this = mtdinfo->priv;
|
||||
ulong base = (ulong) this->IO_ADDR_W & 0xfffffffc;
|
||||
|
||||
if (hwctl & 0x1)
|
||||
out8(base + NDFC_CMD, byte);
|
||||
@@ -78,16 +78,16 @@ static void ndfc_write_byte(struct mtd_info *mtdinfo, u_char byte)
|
||||
|
||||
static u_char ndfc_read_byte(struct mtd_info *mtdinfo)
|
||||
{
|
||||
struct nand_chip *this = mtdinfo->priv;
|
||||
ulong base = (ulong) this->IO_ADDR_W;
|
||||
struct nand_chip *this = mtdinfo->priv;
|
||||
ulong base = (ulong) this->IO_ADDR_W & 0xfffffffc;
|
||||
|
||||
return (in8(base + NDFC_DATA));
|
||||
}
|
||||
|
||||
static int ndfc_dev_ready(struct mtd_info *mtdinfo)
|
||||
{
|
||||
struct nand_chip *this = mtdinfo->priv;
|
||||
ulong base = (ulong) this->IO_ADDR_W;
|
||||
struct nand_chip *this = mtdinfo->priv;
|
||||
ulong base = (ulong) this->IO_ADDR_W & 0xfffffffc;
|
||||
|
||||
while (!(in32(base + NDFC_STAT) & NDFC_STAT_IS_READY))
|
||||
;
|
||||
@@ -110,31 +110,31 @@ static int ndfc_dev_ready(struct mtd_info *mtdinfo)
|
||||
*/
|
||||
static void ndfc_read_buf(struct mtd_info *mtdinfo, uint8_t *buf, int len)
|
||||
{
|
||||
struct nand_chip *this = mtdinfo->priv;
|
||||
ulong base = (ulong) this->IO_ADDR_W;
|
||||
struct nand_chip *this = mtdinfo->priv;
|
||||
ulong base = (ulong) this->IO_ADDR_W & 0xfffffffc;
|
||||
uint32_t *p = (uint32_t *) buf;
|
||||
|
||||
for(;len > 0; len -= 4)
|
||||
for (;len > 0; len -= 4)
|
||||
*p++ = in32(base + NDFC_DATA);
|
||||
}
|
||||
|
||||
static void ndfc_write_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
|
||||
{
|
||||
struct nand_chip *this = mtdinfo->priv;
|
||||
ulong base = (ulong) this->IO_ADDR_W;
|
||||
struct nand_chip *this = mtdinfo->priv;
|
||||
ulong base = (ulong) this->IO_ADDR_W & 0xfffffffc;
|
||||
uint32_t *p = (uint32_t *) buf;
|
||||
|
||||
for(; len > 0; len -= 4)
|
||||
for (; len > 0; len -= 4)
|
||||
out32(base + NDFC_DATA, *p++);
|
||||
}
|
||||
|
||||
static int ndfc_verify_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
|
||||
{
|
||||
struct nand_chip *this = mtdinfo->priv;
|
||||
ulong base = (ulong) this->IO_ADDR_W;
|
||||
struct nand_chip *this = mtdinfo->priv;
|
||||
ulong base = (ulong) this->IO_ADDR_W & 0xfffffffc;
|
||||
uint32_t *p = (uint32_t *) buf;
|
||||
|
||||
for(; len > 0; len -= 4)
|
||||
for (; len > 0; len -= 4)
|
||||
if (*p++ != in32(base + NDFC_DATA))
|
||||
return -1;
|
||||
|
||||
@@ -142,8 +142,25 @@ static int ndfc_verify_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len
|
||||
}
|
||||
#endif /* #ifndef CONFIG_NAND_SPL */
|
||||
|
||||
void board_nand_select_device(struct nand_chip *nand, int chip)
|
||||
{
|
||||
/*
|
||||
* Don't use "chip" to address the NAND device,
|
||||
* generate the cs from the address where it is encoded.
|
||||
*/
|
||||
int cs = (ulong)nand->IO_ADDR_W & 0x00000003;
|
||||
ulong base = (ulong)nand->IO_ADDR_W & 0xfffffffc;
|
||||
|
||||
/* Set NandFlash Core Configuration Register */
|
||||
/* 1col x 2 rows */
|
||||
out32(base + NDFC_CCR, 0x00000000 | (cs << 24));
|
||||
}
|
||||
|
||||
void board_nand_init(struct nand_chip *nand)
|
||||
{
|
||||
int cs = (ulong)nand->IO_ADDR_W & 0x00000003;
|
||||
ulong base = (ulong)nand->IO_ADDR_W & 0xfffffffc;
|
||||
|
||||
nand->eccmode = NAND_ECC_SOFT;
|
||||
|
||||
nand->hwcontrol = ndfc_hwcontrol;
|
||||
@@ -166,10 +183,11 @@ void board_nand_init(struct nand_chip *nand)
|
||||
mtebc(pb0ap, CFG_EBC_PB0AP);
|
||||
#endif
|
||||
|
||||
/* Set NandFlash Core Configuration Register */
|
||||
/* Chip select 3, 1col x 2 rows */
|
||||
out32(CFG_NAND_BASE + NDFC_CCR, 0x00000000 | (CFG_NAND_CS << 24));
|
||||
out32(CFG_NAND_BASE + NDFC_BCFG0 + (CFG_NAND_CS << 2), 0x80002222);
|
||||
/*
|
||||
* Select required NAND chip in NDFC
|
||||
*/
|
||||
board_nand_select_device(nand, cs);
|
||||
out32(base + NDFC_BCFG0 + (cs << 2), 0x80002222);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
@@ -173,9 +173,9 @@
|
||||
|
||||
/**************************************************************************/
|
||||
_start_440:
|
||||
/*--------------------------------------------------------------------+
|
||||
| 440EPX BUP Change - Hardware team request
|
||||
+--------------------------------------------------------------------*/
|
||||
/*--------------------------------------------------------------------+
|
||||
| 440EPX BUP Change - Hardware team request
|
||||
+--------------------------------------------------------------------*/
|
||||
#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
|
||||
sync
|
||||
nop
|
||||
@@ -1697,7 +1697,8 @@ ppc405ep_init:
|
||||
mtdcr ebccfgd,r3
|
||||
#endif
|
||||
|
||||
addi r3,0,CPC0_PCI_HOST_CFG_EN
|
||||
#ifndef CFG_CPC0_PCI
|
||||
li r3,CPC0_PCI_HOST_CFG_EN
|
||||
#ifdef CONFIG_BUBINGA
|
||||
/*
|
||||
!-----------------------------------------------------------------------
|
||||
@@ -1712,6 +1713,9 @@ ppc405ep_init:
|
||||
beq ..pci_cfg_set /* if not set, then bypass reg write*/
|
||||
#endif
|
||||
ori r3,r3,CPC0_PCI_ARBIT_EN
|
||||
#else /* CFG_CPC0_PCI */
|
||||
li r3,CFG_CPC0_PCI
|
||||
#endif /* CFG_CPC0_PCI */
|
||||
..pci_cfg_set:
|
||||
mtdcr CPC0_PCI, r3 /* Enable internal arbiter*/
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
@@ -35,7 +35,7 @@ START := $(addprefix $(obj),$(START))
|
||||
all: $(obj).depend $(START) $(LIB)
|
||||
|
||||
$(LIB): $(OBJS)
|
||||
$(AR) crv $@ $(OBJS)
|
||||
$(AR) $(ARFLAGS) $@ $(OBJS)
|
||||
|
||||
#########################################################################
|
||||
|
||||
|
Reference in New Issue
Block a user