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* Patch by Robert Schwebel, 04 Nov 2002:

Browse Source 
- use watchdog to reset PXA250 systems
  - added progress callbacks to (some of the) ARM code
  - update for Cogent CSB226 board

* Add support for FPS860 board
This commit is contained in:
wdenk
2002-11-05 00:17:55 +00:00
parent e95b61cfb0
commit 384ae02506
11 changed files with 626 additions and 158 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
board/csb226/csb226.c
View File

@@ -24,14 +24,25 @@
*/
#include <common.h>
#include <asm/arch/pxa-regs.h>
/* ------------------------------------------------------------------------- */
#ifdef CONFIG_SHOW_BOOT_PROGRESS
# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
#else
# define SHOW_BOOT_PROGRESS(arg)
#endif
/*
* Miscelaneous platform dependent initialisations
*/
/**
* board_init: - setup some data structures
*
* @return: 0 in case of success
*/
int board_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
@@ -48,6 +59,13 @@ int board_init (void)
return 0;
}
/**
* dram_init: - setup dynamic RAM
*
* @return: 0 in case of success
*/
int dram_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
@@ -57,3 +75,62 @@ int dram_init (void)
return 0;
}
/**
* csb226_set_led: - switch LEDs on or off
*
* @param led: LED to switch (0,1,2)
* @param state: switch on (1) or off (0)
*/
void csb226_set_led(int led, int state)
{
switch(led) {
case 0: if (state==1) {
GPCR0 |= CSB226_USER_LED0;
} else if (state==0) {
GPSR0 |= CSB226_USER_LED0;
}
break;
case 1: if (state==1) {
GPCR0 |= CSB226_USER_LED1;
} else if (state==0) {
GPSR0 |= CSB226_USER_LED1;
}
break;
case 2: if (state==1) {
GPCR0 |= CSB226_USER_LED2;
} else if (state==0) {
GPSR0 |= CSB226_USER_LED2;
}
break;
}
return;
}
/**
* show_boot_progress: - indicate state of the boot process
*
* @param status: Status number - see README for details.
*
* The CSB226 does only have 3 LEDs, so we switch them on at the most
* important states (1, 5, 15).
*/
void show_boot_progress (int status)
{
switch(status) {
case 1: csb226_set_led(0,1); break;
case 5: csb226_set_led(1,1); break;
case 15: csb226_set_led(2,1); break;
}
return;
}

149
board/csb226/flash.c
View File

@@ -6,6 +6,9 @@
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* (C) Copyright 2002
* Robert Schwebel, Pengutronix, <r.schwebel@pengutronix.de>
*
* See file CREDITS for list of people who contributed to this
* project.
*
@@ -26,6 +29,7 @@
*/
#include <common.h>
#include <asm/arch/pxa-regs.h>
#define FLASH_BANK_SIZE 0x02000000
#define MAIN_SECT_SIZE 0x40000 /* 2x16 = 256k per sector */
@@ -33,7 +37,10 @@
flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
/*-----------------------------------------------------------------------
/**
* flash_init: - initialize data structures for flash chips
*
* @return: size of the flash
*/
ulong flash_init(void)
@@ -41,8 +48,7 @@ ulong flash_init(void)
int i, j;
ulong size = 0;
for (i = 0; i < CFG_MAX_FLASH_BANKS; i++)
{
for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
ulong flashbase = 0;
flash_info[i].flash_id =
(INTEL_MANUFACT & FLASH_VENDMASK) |
@@ -51,8 +57,7 @@ ulong flash_init(void)
flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
memset(flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
switch (i)
{
switch (i) {
case 0:
flashbase = PHYS_FLASH_1;
break;
@@ -60,15 +65,13 @@ ulong flash_init(void)
panic("configured to many flash banks!\n");
break;
}
for (j = 0; j < flash_info[i].sector_count; j++)
{
for (j = 0; j < flash_info[i].sector_count; j++) {
flash_info[i].start[j] = flashbase + j*MAIN_SECT_SIZE;
}
size += flash_info[i].size;
}
/* Protect monitor and environment sectors
*/
/* Protect monitor and environment sectors */
flash_protect(FLAG_PROTECT_SET,
CFG_FLASH_BASE,
CFG_FLASH_BASE + _armboot_end_data - _armboot_start,
@@ -82,16 +85,21 @@ ulong flash_init(void)
return size;
}
/*-----------------------------------------------------------------------
/**
* flash_print_info: - print information about the flash situation
*
* @param info:
*/
void flash_print_info (flash_info_t *info)
{
int i, j;
for (j=0; j<CFG_MAX_FLASH_BANKS; j++)
{
switch (info->flash_id & FLASH_VENDMASK)
{
for (j=0; j<CFG_MAX_FLASH_BANKS; j++) {
switch (info->flash_id & FLASH_VENDMASK) {
case (INTEL_MANUFACT & FLASH_VENDMASK):
printf("Intel: ");
break;
@@ -100,38 +108,35 @@ void flash_print_info (flash_info_t *info)
break;
}
switch (info->flash_id & FLASH_TYPEMASK)
{
switch (info->flash_id & FLASH_TYPEMASK) {
case (INTEL_ID_28F128J3 & FLASH_TYPEMASK):
printf("28F128J3 (128Mbit)\n");
break;
default:
printf("Unknown Chip Type\n");
goto Done;
break;
return;
}
printf(" Size: %ld MB in %d Sectors\n",
info->size >> 20, info->sector_count);
printf(" Sector Start Addresses:");
for (i = 0; i < info->sector_count; i++)
{
if ((i % 5) == 0)
{
printf ("\n ");
}
for (i = 0; i < info->sector_count; i++) {
if ((i % 5) == 0) printf ("\n ");
printf (" %08lX%s", info->start[i],
info->protect[i] ? " (RO)" : " ");
}
printf ("\n");
info++;
}
Done:
}
/*-----------------------------------------------------------------------
/**
* flash_erase: - erase flash sectors
*
*/
int flash_erase (flash_info_t *info, int s_first, int s_last)
@@ -146,19 +151,15 @@ int flash_erase (flash_info_t *info, int s_first, int s_last)
return ERR_INVAL;
}
if ((info->flash_id & FLASH_VENDMASK) !=
(INTEL_MANUFACT & FLASH_VENDMASK)) {
if ((info->flash_id & FLASH_VENDMASK) != (INTEL_MANUFACT & FLASH_VENDMASK))
return ERR_UNKNOWN_FLASH_VENDOR;
}
prot = 0;
for (sect=s_first; sect<=s_last; ++sect) {
if (info->protect[sect]) {
prot++;
if (info->protect[sect]) prot++;
}
}
if (prot)
return ERR_PROTECTED;
if (prot) return ERR_PROTECTED;
/*
* Disable interrupts which might cause a timeout
@@ -178,57 +179,63 @@ int flash_erase (flash_info_t *info, int s_first, int s_last)
reset_timer_masked();
if (info->protect[sect] == 0) { /* not protected */
/* vushort *addr = (vushort *)(info->start[sect]); */
ushort *addr = (ushort *)(info->start[sect]);
u32 * volatile addr = (u32 * volatile)(info->start[sect]);
*addr = 0x20; /* erase setup */
*addr = 0xD0; /* erase confirm */
/* erase sector: */
/* The strata flashs are aligned side by side on */
/* the data bus, so we have to write the commands */
/* to both chips here: */
while ((*addr & 0x80) != 0x80) {
*addr = 0x00200020; /* erase setup */
*addr = 0x00D000D0; /* erase confirm */
while ((*addr & 0x00800080) != 0x00800080) {
if (get_timer_masked() > CFG_FLASH_ERASE_TOUT) {
*addr = 0xB0; /* suspend erase */
*addr = 0xFF; /* reset to read mode */
*addr = 0x00B000B0; /* suspend erase*/
*addr = 0x00FF00FF; /* read mode */
rc = ERR_TIMOUT;
goto outahere;
}
}
/* clear status register command */
*addr = 0x50;
/* reset to read mode */
*addr = 0xFF;
*addr = 0x00500050; /* clear status register cmd. */
*addr = 0x00FF00FF; /* resest to read mode */
}
printf("ok.\n");
}
if (ctrlc())
printf("User Interrupt!\n");
if (ctrlc()) printf("User Interrupt!\n");
outahere:
/* allow flash to settle - wait 10 ms */
udelay_masked(10000);
if (flag)
enable_interrupts();
if (flag) enable_interrupts();
return rc;
}
/*-----------------------------------------------------------------------
* Copy memory to flash
/**
* write_word: - copy memory to flash
*
* @param info:
* @param dest:
* @param data:
* @return:
*/
static int write_word (flash_info_t *info, ulong dest, ushort data)
{
/* vushort *addr = (vushort *)dest, val; */
ushort *addr = (ushort *)dest, val;
int rc = ERR_OK;
int flag;
/* Check if Flash is (sufficiently) erased
*/
if ((*addr & data) != data)
return ERR_NOT_ERASED;
/* Check if Flash is (sufficiently) erased */
if ((*addr & data) != data) return ERR_NOT_ERASED;
/*
* Disable interrupts which might cause a timeout
@@ -252,12 +259,10 @@ static int write_word (flash_info_t *info, ulong dest, ushort data)
reset_timer_masked();
/* wait while polling the status register */
while(((val = *addr) & 0x80) != 0x80)
{
while(((val = *addr) & 0x80) != 0x80) {
if (get_timer_masked() > CFG_FLASH_WRITE_TOUT) {
rc = ERR_TIMOUT;
/* suspend program command */
*addr = 0xB0;
*addr = 0xB0; /* suspend program command */
goto outahere;
}
}
@@ -285,17 +290,23 @@ static int write_word (flash_info_t *info, ulong dest, ushort data)
}
outahere:
/* read array command */
*addr = 0xFF;
if (flag)
enable_interrupts();
*addr = 0xFF; /* read array command */
if (flag) enable_interrupts();
return rc;
}
/*-----------------------------------------------------------------------
* Copy memory to flash.
/**
* write_buf: - Copy memory to flash.
*
* @param info:
* @param src: source of copy transaction
* @param addr: where to copy to
* @param cnt: number of bytes to copy
*
* @return error code
*/
int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
@@ -344,9 +355,7 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
cnt -= 2;
}
if (cnt == 0) {
return ERR_OK;
}
if (cnt == 0) return ERR_OK;
/*
* handle unaligned tail bytes