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Merge with /home/git/u-boot

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This commit is contained in:
Wolfgang Denk
2007-05-17 00:06:11 +02:00
parent 3162eb8369 70124c2602
commit 3a71b5ca77
48 changed files with 2789 additions and 355 deletions
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2
cpu/microblaze/Makefile
View File

@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
START = start.o
SOBJS = dcache.o icache.o irq.o disable_int.o enable_int.o
SOBJS = irq.o
COBJS = cpu.o interrupts.o cache.o exception.o timer.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)

17
cpu/microblaze/cache.c Normal file → Executable file
View File

@@ -23,6 +23,7 @@
*/
#include <common.h>
#include <asm/asm.h>
#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
@@ -45,4 +46,20 @@ int icache_status (void)
__asm__ __volatile__ ("and %0,%0,%1"::"r" (i), "r" (mask):"memory");
return i;
}
void icache_enable (void) {
MSRSET(0x20);
}
void icache_disable(void) {
MSRCLR(0x20);
}
void dcache_enable (void) {
MSRSET(0x80);
}
void dcache_disable(void) {
MSRCLR(0x80);
}
#endif

68
cpu/microblaze/dcache.S
View File

@@ -1,68 +0,0 @@
/*
* (C) Copyright 2007 Michal Simek
*
* Michal SIMEK <monstr@monstr.eu>
*
* 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
*/
.text
.globl dcache_enable
.ent dcache_enable
.align 2
dcache_enable:
/* Make space on stack for a temporary */
addi r1, r1, -4
/* Save register r12 */
swi r12, r1, 0
/* Read the MSR register */
mfs r12, rmsr
/* Set the instruction enable bit */
ori r12, r12, 0x80
/* Save the MSR register */
mts rmsr, r12
/* Load register r12 */
lwi r12, r1, 0
/* Return */
rtsd r15, 8
/* Update stack in the delay slot */
addi r1, r1, 4
.end dcache_enable
.text
.globl dcache_disable
.ent dcache_disable
.align 2
dcache_disable:
/* Make space on stack for a temporary */
addi r1, r1, -4
/* Save register r12 */
swi r12, r1, 0
/* Read the MSR register */
mfs r12, rmsr
/* Clear the data cache enable bit */
andi r12, r12, ~0x80
/* Save the MSR register */
mts rmsr, r12
/* Load register r12 */
lwi r12, r1, 0
/* Return */
rtsd r15, 8
/* Update stack in the delay slot */
addi r1, r1, 4
.end dcache_disable

46
cpu/microblaze/disable_int.S
View File

@@ -1,46 +0,0 @@
/*
* (C) Copyright 2007 Michal Simek
*
* Michal SIMEK <monstr@monstr.eu>
*
* 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
*/
.text
.globl microblaze_disable_interrupts
.ent microblaze_disable_interrupts
.align 2
microblaze_disable_interrupts:
#Make space on stack for a temporary
addi r1, r1, -4
#Save register r12
swi r12, r1, 0
#Read the MSR register
mfs r12, rmsr
#Clear the interrupt enable bit
andi r12, r12, ~2
#Save the MSR register
mts rmsr, r12
#Load register r12
lwi r12, r1, 0
#Return
rtsd r15, 8
#Update stack in the delay slot
addi r1, r1, 4
.end microblaze_disable_interrupts

38
cpu/microblaze/enable_int.S
View File

@@ -1,38 +0,0 @@
/*
* (C) Copyright 2007 Michal Simek
*
* Michal SIMEK <monstrmonstr.eu>
*
* 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
*/
.text
.globl microblaze_enable_interrupts
.ent microblaze_enable_interrupts
.align 2
microblaze_enable_interrupts:
addi r1, r1, -4
swi r12, r1, 0
mfs r12, rmsr
ori r12, r12, 2
mts rmsr, r12
lwi r12, r1, 0
rtsd r15, 8
addi r1, r1, 4
.end microblaze_enable_interrupts

10
cpu/microblaze/exception.c
View File

@@ -23,15 +23,16 @@
*/
#include <common.h>
#include <asm/asm.h>
void _hw_exception_handler (void)
{
int address = 0;
int state = 0;
/* loading address of exception EAR */
__asm__ __volatile ("mfs %0,rear"::"r" (address):"memory");
MFS (address, rear);
/* loading excetpion state register ESR */
__asm__ __volatile ("mfs %0,resr"::"r" (state):"memory");
MFS (state, resr);
printf ("Hardware exception at 0x%x address\n", address);
switch (state & 0x1f) { /* mask on exception cause */
case 0x1:
@@ -49,6 +50,11 @@ void _hw_exception_handler (void)
case 0x5:
puts ("Divide by zero exception\n");
break;
#ifdef MICROBLAZE_V5
case 0x1000:
puts ("Exception in delay slot\n");
break;
#endif
default:
puts ("Undefined cause\n");
break;

69
cpu/microblaze/icache.S
View File

@@ -1,69 +0,0 @@
/*
* (C) Copyright 2007 Michal Simek
*
* Michal SIMEK <monstr@monstr.eu>
*
* 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
*/
.text
.globl icache_enable
.ent icache_enable
.align 2
icache_enable:
/* Make space on stack for a temporary */
addi r1, r1, -4
/* Save register r12 */
swi r12, r1, 0
/* Read the MSR register */
mfs r12, rmsr
/* Set the instruction enable bit */
ori r12, r12, 0x20
/* Save the MSR register */
mts rmsr, r12
/* Load register r12 */
lwi r12, r1, 0
/* Return */
rtsd r15, 8
/* Update stack in the delay slot */
addi r1, r1, 4
.end icache_enable
.text
.globl icache_disable
.ent icache_disable
.align 2
icache_disable:
/* Make space on stack for a temporary */
addi r1, r1, -4
/* Save register r12 */
swi r12, r1, 0
/* Read the MSR register */
mfs r12, rmsr
/* Clear the instruction enable bit */
andi r12, r12, ~0x20
/* Save the MSR register */
mts rmsr, r12
/* Load register r12 */
lwi r12, r1, 0
/* Return */
rtsd r15, 8
/* Update stack in the delay slot */
addi r1, r1, 4
.end icache_disable

30
cpu/microblaze/interrupts.c Normal file → Executable file
View File

@@ -27,6 +27,7 @@
#include <common.h>
#include <command.h>
#include <asm/microblaze_intc.h>
#include <asm/asm.h>
#undef DEBUG_INT
@@ -35,12 +36,12 @@ extern void microblaze_enable_interrupts (void);
void enable_interrupts (void)
{
microblaze_enable_interrupts ();
MSRSET(0x2);
}
int disable_interrupts (void)
{
microblaze_disable_interrupts ();
MSRCLR(0x2);
return 0;
}
@@ -48,6 +49,10 @@ int disable_interrupts (void)
#ifdef CFG_TIMER_0
extern void timer_init (void);
#endif
#ifdef CFG_FSL_2
extern void fsl_init2 (void);
#endif
static struct irq_action vecs[CFG_INTC_0_NUM];
@@ -106,7 +111,6 @@ void install_interrupt_handler (int irq, interrupt_handler_t * hdlr, void *arg)
act->count = 0;
enable_one_interrupt (irq);
} else { /* disable */
act->handler = (interrupt_handler_t *) def_hdlr;
act->arg = (void *)irq;
disable_one_interrupt (irq);
@@ -140,6 +144,9 @@ int interrupts_init (void)
intc_init ();
#ifdef CFG_TIMER_0
timer_init ();
#endif
#ifdef CFG_FSL_2
fsl_init2 ();
#endif
enable_interrupts ();
return 0;
@@ -147,12 +154,13 @@ int interrupts_init (void)
void interrupt_handler (void)
{
int irqs;
irqs = (intc->isr & intc->ier); /* find active interrupt */
int irqs = (intc->isr & intc->ier); /* find active interrupt */
int i = 1;
#ifdef DEBUG_INT
int value;
printf ("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,
intc->iar, intc->mer);
R14(value);
printf ("Interrupt handler on %x line, r14 %x\n", irqs, value);
#endif
struct irq_action *act = vecs;
@@ -165,15 +173,19 @@ void interrupt_handler (void)
#endif
act->handler (act->arg);
act->count++;
intc->iar = i;
return;
}
irqs >>= 1;
act++;
i <<= 1;
}
intc->iar = 0xFFFFFFFF; /* erase all events */
#ifdef DEBUG
#ifdef DEBUG_INT
printf ("Dump INTC reg, isr %x, ier %x, iar %x, mer %x\n", intc->isr,
intc->ier, intc->iar, intc->mer);
printf ("Interrupt handler on %x line, r14\n", irqs);
R14(value);
printf ("Interrupt handler on %x line, r14 %x\n", irqs, value);
#endif
}
#endif

7
cpu/microblaze/irq.S Normal file → Executable file
View File

@@ -23,6 +23,7 @@
*/
#include <config.h>
#include <asm/asm.h>
.text
.global _interrupt_handler
_interrupt_handler:
@@ -151,6 +152,11 @@ _interrupt_handler:
addi r1, r1, 4
/* enable_interrupt */
#ifdef XILINX_USE_MSR_INSTR
msrset r0, 2
#else
/* FIXME unstable in stressed mode - two irqs */
nop
addi r1, r1, -4
swi r12, r1, 0
mfs r12, rmsr
@@ -159,6 +165,7 @@ _interrupt_handler:
lwi r12, r1, 0
addi r1, r1, 4
nop
#endif
bra r14
nop
nop

33
cpu/microblaze/start.S
View File

@@ -117,3 +117,36 @@ clear_bss:
3: /* jumping to board_init */
brai board_init
1: bri 1b
/*
* Read 16bit little endian
*/
.text
.global in16
.ent in16
.align 2
in16: lhu r3, r0, r5
bslli r4, r3, 8
bsrli r3, r3, 8
andi r4, r4, 0xffff
or r3, r3, r4
rtsd r15, 8
sext16 r3, r3
.end in16
/*
* Write 16bit little endian
* first parameter(r5) - address, second(r6) - short value
*/
.text
.global out16
.ent out16
.align 2
out16: bslli r3, r6, 8
bsrli r6, r6, 8
andi r3, r3, 0xffff
or r3, r3, r6
sh r3, r0, r5
rtsd r15, 8
or r0, r0, r0
.end out16

4
cpu/microblaze/timer.c
View File

@@ -24,6 +24,7 @@
#include <common.h>
#include <asm/microblaze_timer.h>
#include <asm/microblaze_intc.h>
volatile int timestamp = 0;
@@ -44,9 +45,6 @@ void set_timer (ulong t)
#ifdef CFG_INTC_0
#ifdef CFG_TIMER_0
extern void install_interrupt_handler (int irq, interrupt_handler_t * hdlr,
void *arg);
microblaze_timer_t *tmr = (microblaze_timer_t *) (CFG_TIMER_0_ADDR);
void timer_isr (void *arg)

2
cpu/mpc83xx/Makefile
View File

@@ -29,7 +29,7 @@ LIB = $(obj)lib$(CPU).a
START = start.o
COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o \
spd_sdram.o qe_io.o
spd_sdram.o qe_io.o pci.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))

39
cpu/mpc83xx/cpu.c
View File

@@ -52,13 +52,26 @@ int checkcpu(void)
immr = (immap_t *)CFG_IMMR;
if ((pvr & 0xFFFF0000) != PVR_83xx) {
puts("Not MPC83xx Family!!!\n");
return -1;
puts("CPU: ");
switch (pvr & 0xffff0000) {
case PVR_E300C1:
printf("e300c1, ");
break;
case PVR_E300C2:
printf("e300c2, ");
break;
case PVR_E300C3:
printf("e300c3, ");
break;
default:
printf("Unknown core, ");
}
spridr = immr->sysconf.spridr;
puts("CPU: ");
switch(spridr) {
case SPR_8349E_REV10:
case SPR_8349E_REV11:
@@ -124,6 +137,18 @@ int checkcpu(void)
case SPR_8321_REV11:
puts("MPC8321, ");
break;
case SPR_8311_REV10:
puts("MPC8311, ");
break;
case SPR_8311E_REV10:
puts("MPC8311E, ");
break;
case SPR_8313_REV10:
puts("MPC8313, ");
break;
case SPR_8313E_REV10:
puts("MPC8313E, ");
break;
default:
puts("Rev: Unknown revision number.\nWarning: Unsupported cpu revision!\n");
return 0;
@@ -133,10 +158,12 @@ int checkcpu(void)
/* Multiple revisons of 834x processors may have the same SPRIDR value.
* So use PVR to identify the revision number.
*/
printf("Rev: %02x at %s MHz\n", PVR_MAJ(pvr)<<4 | PVR_MIN(pvr), strmhz(buf, clock));
printf("Rev: %02x at %s MHz", PVR_MAJ(pvr)<<4 | PVR_MIN(pvr), strmhz(buf, clock));
#else
printf("Rev: %02x at %s MHz\n", spridr & 0x0000FFFF, strmhz(buf, clock));
printf("Rev: %02x at %s MHz", spridr & 0x0000FFFF, strmhz(buf, clock));
#endif
printf(", CSB: %4d MHz\n", gd->csb_clk / 1000000);
return 0;
}

192
cpu/mpc83xx/pci.c Normal file
View File

@@ -0,0 +1,192 @@
/*
* Copyright (C) Freescale Semiconductor, Inc. 2007
*
* Author: Scott Wood <scottwood@freescale.com>,
* with some bits from older board-specific PCI initialization.
*
* 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 <pci.h>
#include <ft_build.h>
#include <asm/mpc8349_pci.h>
#ifdef CONFIG_83XX_GENERIC_PCI
#define MAX_BUSES 2
DECLARE_GLOBAL_DATA_PTR;
static struct pci_controller pci_hose[MAX_BUSES];
static int pci_num_buses;
static void pci_init_bus(int bus, struct pci_region *reg)
{
volatile immap_t *immr = (volatile immap_t *)CFG_IMMR;
volatile pot83xx_t *pot = immr->ios.pot;
volatile pcictrl83xx_t *pci_ctrl = &immr->pci_ctrl[bus];
struct pci_controller *hose = &pci_hose[bus];
u32 dev;
u16 reg16;
int i;
if (bus == 1)
pot += 3;
/* Setup outbound translation windows */
for (i = 0; i < 3; i++, reg++, pot++) {
if (reg->size == 0)
break;
hose->regions[i] = *reg;
hose->region_count++;
pot->potar = reg->bus_start >> 12;
pot->pobar = reg->phys_start >> 12;
pot->pocmr = ~(reg->size - 1) >> 12;
if (reg->flags & PCI_REGION_IO)
pot->pocmr |= POCMR_IO;
#ifdef CONFIG_83XX_PCI_STREAMING
else if (reg->flags & PCI_REGION_PREFETCH)
pot->pocmr |= POCMR_SE;
#endif
if (bus == 1)
pot->pocmr |= POCMR_DST;
pot->pocmr |= POCMR_EN;
}
/* Point inbound translation at RAM */
pci_ctrl->pitar1 = 0;
pci_ctrl->pibar1 = 0;
pci_ctrl->piebar1 = 0;
pci_ctrl->piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP |
PIWAR_WTT_SNOOP | (__ilog2(gd->ram_size) - 1);
i = hose->region_count++;
hose->regions[i].bus_start = 0;
hose->regions[i].phys_start = 0;
hose->regions[i].size = gd->ram_size;
hose->regions[i].flags = PCI_REGION_MEM | PCI_REGION_MEMORY;
hose->first_busno = 0;
hose->last_busno = 0xff;
pci_setup_indirect(hose, CFG_IMMR + 0x8300 + bus * 0x80,
CFG_IMMR + 0x8304 + bus * 0x80);
pci_register_hose(hose);
/*
* Write to Command register
*/
reg16 = 0xff;
dev = PCI_BDF(hose->first_busno, 0, 0);
pci_hose_read_config_word(hose, dev, PCI_COMMAND, &reg16);
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);
pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80);
pci_hose_write_config_byte(hose, dev, PCI_CACHE_LINE_SIZE, 0x08);
#ifdef CONFIG_PCI_SCAN_SHOW
printf("PCI: Bus Dev VenId DevId Class Int\n");
#endif
/*
* Hose scan.
*/
hose->last_busno = pci_hose_scan(hose);
}
/*
* The caller must have already set OCCR, and the PCI_LAW BARs
* must have been set to cover all of the requested regions.
*
* If fewer than three regions are requested, then the region
* list is terminated with a region of size 0.
*/
void mpc83xx_pci_init(int num_buses, struct pci_region **reg, int warmboot)
{
volatile immap_t *immr = (volatile immap_t *)CFG_IMMR;
int i;
if (num_buses > MAX_BUSES) {
printf("%d PCI buses requsted, %d supported\n",
num_buses, MAX_BUSES);
num_buses = MAX_BUSES;
}
pci_num_buses = num_buses;
/*
* Release PCI RST Output signal.
* Power on to RST high must be at least 100 ms as per PCI spec.
* On warm boots only 1 ms is required.
*/
udelay(warmboot ? 1000 : 100000);
for (i = 0; i < num_buses; i++)
immr->pci_ctrl[i].gcr = 1;
/*
* RST high to first config access must be at least 2^25 cycles
* as per PCI spec. This could be cut in half if we know we're
* running at 66MHz. This could be insufficiently long if we're
* running the PCI bus at significantly less than 33MHz.
*/
udelay(1020000);
for (i = 0; i < num_buses; i++)
pci_init_bus(i, reg[i]);
}
#ifdef CONFIG_OF_FLAT_TREE
void ft_pci_setup(void *blob, bd_t *bd)
{
u32 *p;
int len;
if (pci_num_buses < 1)
return;
p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8500/bus-range", &len);
if (p) {
p[0] = pci_hose[0].first_busno;
p[1] = pci_hose[0].last_busno;
}
if (pci_num_buses < 2)
return;
p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8600/bus-range", &len);
if (p) {
p[0] = pci_hose[1].first_busno;
p[1] = pci_hose[1].last_busno;
}
}
#endif /* CONFIG_OF_FLAT_TREE */
#endif /* CONFIG_83XX_GENERIC_PCI */

11
cpu/mpc83xx/spd_sdram.c
View File

@@ -58,8 +58,8 @@ picos_to_clk(int picos)
int clks;
ddr_bus_clk = gd->ddr_clk >> 1;
clks = picos / ((1000000000 / ddr_bus_clk) * 1000);
if (picos % ((1000000000 / ddr_bus_clk) * 1000) != 0)
clks = picos / (1000000000 / (ddr_bus_clk / 1000));
if (picos % (1000000000 / (ddr_bus_clk / 1000)) != 0)
clks++;
return clks;
@@ -624,7 +624,7 @@ long int spd_sdram()
| (1 << (16 + 10)) /* DQS Differential disable */
| (add_lat << (16 + 3)) /* Additive Latency in EMRS1 */
| (mode_odt_enable << 16) /* ODT Enable in EMRS1 */
| ((twr_clk >> 1) << 9) /* Write Recovery Autopre */
| ((twr_clk - 1) << 9) /* Write Recovery Autopre */
| (caslat << 4) /* caslat */
| (burstlen << 0) /* Burst length */
);
@@ -693,11 +693,6 @@ long int spd_sdram()
#ifdef CFG_DDR_SDRAM_CLK_CNTL /* Optional platform specific value */
ddr->sdram_clk_cntl = CFG_DDR_SDRAM_CLK_CNTL;
#else
/* SS_EN = 0, source synchronous disable
* CLK_ADJST = 0, MCK/MCK# is launched aligned with addr/cmd
*/
ddr->sdram_clk_cntl = 0x00000000;
#endif
debug("DDR:sdram_clk_cntl=0x%08x\n", ddr->sdram_clk_cntl);

78
cpu/mpc83xx/speed.c
View File

@@ -25,6 +25,7 @@
#include <common.h>
#include <mpc83xx.h>
#include <command.h>
#include <asm/processor.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -99,11 +100,13 @@ int get_clocks(void)
u32 lcrr;
u32 csb_clk;
#if defined(CONFIG_MPC834X)
#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X)
u32 tsec1_clk;
u32 tsec2_clk;
u32 usbmph_clk;
u32 usbdr_clk;
#endif
#ifdef CONFIG_MPC834X
u32 usbmph_clk;
#endif
u32 core_clk;
u32 i2c1_clk;
@@ -148,7 +151,7 @@ int get_clocks(void)
sccr = im->clk.sccr;
#if defined(CONFIG_MPC834X)
#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X)
switch ((sccr & SCCR_TSEC1CM) >> SCCR_TSEC1CM_SHIFT) {
case 0:
tsec1_clk = 0;
@@ -167,6 +170,26 @@ int get_clocks(void)
return -4;
}
switch ((sccr & SCCR_USBDRCM) >> SCCR_USBDRCM_SHIFT) {
case 0:
usbdr_clk = 0;
break;
case 1:
usbdr_clk = csb_clk;
break;
case 2:
usbdr_clk = csb_clk / 2;
break;
case 3:
usbdr_clk = csb_clk / 3;
break;
default:
/* unkown SCCR_USBDRCM value */
return -8;
}
#endif
#if defined(CONFIG_MPC834X)
switch ((sccr & SCCR_TSEC2CM) >> SCCR_TSEC2CM_SHIFT) {
case 0:
tsec2_clk = 0;
@@ -205,24 +228,6 @@ int get_clocks(void)
return -7;
}
switch ((sccr & SCCR_USBDRCM) >> SCCR_USBDRCM_SHIFT) {
case 0:
usbdr_clk = 0;
break;
case 1:
usbdr_clk = csb_clk;
break;
case 2:
usbdr_clk = csb_clk / 2;
break;
case 3:
usbdr_clk = csb_clk / 3;
break;
default:
/* unkown SCCR_USBDRCM value */
return -8;
}
if (usbmph_clk != 0 && usbdr_clk != 0 && usbmph_clk != usbdr_clk) {
/* if USB MPH clock is not disabled and
* USB DR clock is not disabled then
@@ -230,8 +235,16 @@ int get_clocks(void)
*/
return -9;
}
#elif defined(CONFIG_MPC831X)
tsec2_clk = tsec1_clk;
if (!(sccr & SCCR_TSEC1ON))
tsec1_clk = 0;
if (!(sccr & SCCR_TSEC2ON))
tsec2_clk = 0;
#endif
#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X)
#if !defined(CONFIG_MPC834X)
i2c1_clk = csb_clk;
#endif
#if !defined(CONFIG_MPC832X)
@@ -314,11 +327,13 @@ int get_clocks(void)
#endif
gd->csb_clk = csb_clk;
#if defined(CONFIG_MPC834X)
#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X)
gd->tsec1_clk = tsec1_clk;
gd->tsec2_clk = tsec2_clk;
gd->usbmph_clk = usbmph_clk;
gd->usbdr_clk = usbdr_clk;
#endif
#if defined(CONFIG_MPC834X)
gd->usbmph_clk = usbmph_clk;
#endif
gd->core_clk = core_clk;
gd->i2c1_clk = i2c1_clk;
@@ -351,11 +366,11 @@ ulong get_bus_freq(ulong dummy)
return gd->csb_clk;
}
int print_clock_conf(void)
int do_clocks (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
printf("Clock configuration:\n");
printf(" Coherent System Bus: %4d MHz\n", gd->csb_clk / 1000000);
printf(" Core: %4d MHz\n", gd->core_clk / 1000000);
printf(" Coherent System Bus: %4d MHz\n", gd->csb_clk / 1000000);
#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X)
printf(" QE: %4d MHz\n", gd->qe_clk / 1000000);
printf(" BRG: %4d MHz\n", gd->brg_clk / 1000000);
@@ -371,11 +386,18 @@ int print_clock_conf(void)
#if !defined(CONFIG_MPC832X)
printf(" I2C2: %4d MHz\n", gd->i2c2_clk / 1000000);
#endif
#if defined(CONFIG_MPC834X)
#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X)
printf(" TSEC1: %4d MHz\n", gd->tsec1_clk / 1000000);
printf(" TSEC2: %4d MHz\n", gd->tsec2_clk / 1000000);
printf(" USB MPH: %4d MHz\n", gd->usbmph_clk / 1000000);
printf(" USB DR: %4d MHz\n", gd->usbdr_clk / 1000000);
#endif
#if defined(CONFIG_MPC834X)
printf(" USB MPH: %4d MHz\n", gd->usbmph_clk / 1000000);
#endif
return 0;
}
U_BOOT_CMD(clocks, 1, 0, do_clocks,
"clocks - print clock configuration\n",
" clocks\n"
);