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* Patch by Scott McNutt, 21 Oct 2004:

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Add support for Nios-II EPCS Controller core.

* Patch by Scott McNutt, 20 Oct 2004:
  Nios-II cleanups:
  - Add sysid command (Nios-II only).
  - Locate default exception trampoline at proper offset.
  - Implement I/O routines (readb, writeb, etc)
  - Implement do_bootm_linux
This commit is contained in:
wdenk
2005-03-30 23:28:18 +00:00
parent 8f0b7cbe80
commit 0c1c117cf1
11 changed files with 977 additions and 64 deletions
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31
include/nios2-io.h
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@@ -136,37 +136,6 @@ typedef volatile struct nios_spi_t {
#define NIOS_SPI_IE (1 << 8) /* exception int ena */
#define NIOS_SPI_SSO (1 << 10) /* override SS_n output */
/*------------------------------------------------------------------------
* ASMI
*----------------------------------------------------------------------*/
typedef volatile struct nios_asmi_t {
unsigned rxdata; /* Rx data reg */
unsigned txdata; /* Tx data reg */
unsigned status; /* Status reg */
unsigned control; /* Control reg */
unsigned reserved;
unsigned slavesel; /* Slave select */
unsigned endofpacket; /* End-of-packet reg */
}nios_asmi_t;
/* status register */
#define NIOS_ASMI_ROE (1 << 3) /* rx overrun */
#define NIOS_ASMI_TOE (1 << 4) /* tx overrun */
#define NIOS_ASMI_TMT (1 << 5) /* tx empty */
#define NIOS_ASMI_TRDY (1 << 6) /* tx ready */
#define NIOS_ASMI_RRDY (1 << 7) /* rx ready */
#define NIOS_ASMI_E (1 << 8) /* exception */
#define NIOS_ASMI_EOP (1 << 9) /* eop detected */
/* control register */
#define NIOS_ASMI_IROE (1 << 3) /* rx overrun int ena */
#define NIOS_ASMI_ITOE (1 << 4) /* tx overrun int ena */
#define NIOS_ASMI_ITRDY (1 << 6) /* tx ready int ena */
#define NIOS_ASMI_IRRDY (1 << 7) /* rx ready int ena */
#define NIOS_ASMI_IE (1 << 8) /* exception int ena */
#define NIOS_ASMI_IEOP (1 << 9) /* rx eop int ena */
#define NIOS_ASMI_SSO (1 << 10) /* slave select enable */
/*------------------------------------------------------------------------
* JTAG UART
*----------------------------------------------------------------------*/