aboutsummaryrefslogtreecommitdiff
path: root/board/barco/flash.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/barco/flash.c')
-rw-r--r--board/barco/flash.c611
1 files changed, 0 insertions, 611 deletions
diff --git a/board/barco/flash.c b/board/barco/flash.c
deleted file mode 100644
index c9efb15e3..000000000
--- a/board/barco/flash.c
+++ /dev/null
@@ -1,611 +0,0 @@
-/********************************************************************
- *
- * Unless otherwise specified, Copyright (C) 2004-2005 Barco Control Rooms
- *
- * $Source: /home/services/cvs/firmware/ppc/u-boot-1.1.2/board/barco/flash.c,v $
- * $Revision: 1.3 $
- * $Author: mleeman $
- * $Date: 2005/02/21 12:48:58 $
- *
- * Last ChangeLog Entry
- * $Log: flash.c,v $
- * Revision 1.3 2005/02/21 12:48:58 mleeman
- * update of copyright years (feedback wd)
- *
- * Revision 1.2 2005/02/21 11:04:04 mleeman
- * remove dead code and Coding style (feedback wd)
- *
- * Revision 1.1 2005/02/14 09:23:46 mleeman
- * - moved 'barcohydra' directory to a more generic barco; since we will be
- * supporting and adding multiple boards
- *
- * Revision 1.2 2005/02/09 12:56:23 mleeman
- * add generic header to track changes in sources
- *
- *
- *******************************************************************/
-
-/*
- * (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
- */
-
-#include <common.h>
-#include <mpc824x.h>
-#include <asm/processor.h>
-#include <flash.h>
-
-#define ROM_CS0_START 0xFF800000
-#define ROM_CS1_START 0xFF000000
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
-
-#if defined(CONFIG_ENV_IS_IN_FLASH)
-# ifndef CONFIG_ENV_ADDR
-# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
-# endif
-# ifndef CONFIG_ENV_SIZE
-# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
-# endif
-# ifndef CONFIG_ENV_SECT_SIZE
-# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE
-# endif
-#endif
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-static int write_word (flash_info_t *info, ulong dest, ulong data);
-
-/*flash command address offsets*/
-
-#define ADDR0 (0xAAA)
-#define ADDR1 (0x555)
-#define ADDR3 (0x001)
-
-#define FLASH_WORD_SIZE unsigned char
-
-/*-----------------------------------------------------------------------
- */
-
-static unsigned long flash_id(unsigned char mfct, unsigned char chip) __attribute__ ((const));
-
-typedef struct{
- FLASH_WORD_SIZE extval;
- unsigned short intval;
-} map_entry;
-
-static unsigned long flash_id(unsigned char mfct, unsigned char chip)
-{
- static const map_entry mfct_map[] = {
- {(FLASH_WORD_SIZE) AMD_MANUFACT, (unsigned short) ((unsigned long) FLASH_MAN_AMD >> 16)},
- {(FLASH_WORD_SIZE) FUJ_MANUFACT, (unsigned short) ((unsigned long) FLASH_MAN_FUJ >> 16)},
- {(FLASH_WORD_SIZE) STM_MANUFACT, (unsigned short) ((unsigned long) FLASH_MAN_STM >> 16)},
- {(FLASH_WORD_SIZE) MT_MANUFACT, (unsigned short) ((unsigned long) FLASH_MAN_MT >> 16)},
- {(FLASH_WORD_SIZE) INTEL_MANUFACT,(unsigned short) ((unsigned long) FLASH_MAN_INTEL >> 16)},
- {(FLASH_WORD_SIZE) INTEL_ALT_MANU,(unsigned short) ((unsigned long) FLASH_MAN_INTEL >> 16)}
- };
-
- static const map_entry chip_map[] = {
- {AMD_ID_F040B, FLASH_AM040},
- {AMD_ID_F033C, FLASH_AM033},
- {AMD_ID_F065D, FLASH_AM065},
- {ATM_ID_LV040, FLASH_AT040},
- {(FLASH_WORD_SIZE) STM_ID_x800AB, FLASH_STM800AB}
- };
-
- const map_entry *p;
- unsigned long result = FLASH_UNKNOWN;
-
- /* find chip id */
- for(p = &chip_map[0]; p < &chip_map[sizeof chip_map / sizeof chip_map[0]]; p++){
- if(p->extval == chip){
- result = FLASH_VENDMASK | p->intval;
- break;
- }
- }
-
- /* find vendor id */
- for(p = &mfct_map[0]; p < &mfct_map[sizeof mfct_map / sizeof mfct_map[0]]; p++){
- if(p->extval == mfct){
- result &= ~FLASH_VENDMASK;
- result |= (unsigned long) p->intval << 16;
- break;
- }
- }
-
- return result;
-}
-
-
-unsigned long flash_init(void)
-{
- unsigned long i;
- unsigned char j;
- static const ulong flash_banks[] = CONFIG_SYS_FLASH_BANKS;
-
- /* Init: no FLASHes known */
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++){
- flash_info_t * const pflinfo = &flash_info[i];
- pflinfo->flash_id = FLASH_UNKNOWN;
- pflinfo->size = 0;
- pflinfo->sector_count = 0;
- }
-
- /* Enable writes to Hydra/Argus flash */
- {
- register unsigned int temp;
- CONFIG_READ_WORD(PICR1,temp);
- temp |= PICR1_FLASH_WR_EN;
- CONFIG_WRITE_WORD(PICR1,temp);
- }
-
- for(i = 0; i < sizeof flash_banks / sizeof flash_banks[0]; i++){
- flash_info_t * const pflinfo = &flash_info[i];
- const unsigned long base_address = flash_banks[i];
- volatile FLASH_WORD_SIZE * const flash = (FLASH_WORD_SIZE *) base_address;
-
- /* write autoselect sequence */
- flash[0x5555] = 0xaa;
- flash[0x2aaa] = 0x55;
- flash[0x5555] = 0x90;
- __asm__ __volatile__("sync");
-
- pflinfo->flash_id = flash_id(flash[0x0], flash[0x1]);
-
- switch(pflinfo->flash_id & FLASH_TYPEMASK){
- case FLASH_AM033:
- pflinfo->size = 0x00200000;
- pflinfo->sector_count = 64;
- for(j = 0; j < 64; j++){
- pflinfo->start[j] = base_address + 0x00010000 * j;
- pflinfo->protect[j] = flash[(j << 16) | 0x2];
- }
- break;
- case FLASH_AM065:
- pflinfo->size = 0x00800000;
- pflinfo->sector_count =128;
- for(j = 0; j < 128; j++){
- pflinfo->start[j] = base_address + 0x00010000 * j;
- pflinfo->protect[j] = flash[(j << 16) | 0x2];
- }
- break;
- case FLASH_AT040:
- pflinfo->size = 0x00080000;
- pflinfo->sector_count = 2;
- pflinfo->start[0] = base_address ;
- pflinfo->start[1] = base_address + 0x00004000;
- pflinfo->protect[0] = ((flash[0x02] & 0X01)==0) ? 0X02 : 0X01;
- pflinfo->protect[1] = 0X02;
- break;
- case FLASH_AM040:
- pflinfo->size = 0x00080000;
- pflinfo->sector_count = 8;
- for(j = 0; j < 8; j++){
- pflinfo->start[j] = base_address + 0x00010000 * j;
- pflinfo->protect[j] = flash[(j << 16) | 0x2];
- }
- break;
- case FLASH_STM800AB:
- pflinfo->size = 0x00100000;
- pflinfo->sector_count = 19;
- pflinfo->start[0] = base_address;
- pflinfo->start[1] = base_address + 0x4000;
- pflinfo->start[2] = base_address + 0x6000;
- pflinfo->start[3] = base_address + 0x8000;
- for(j = 1; j < 16; j++){
- pflinfo->start[j+3] = base_address + 0x00010000 * j;
- }
- break;
- }
- /* Protect monitor and environment sectors */
-#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
- flash_protect(FLAG_PROTECT_SET,
- CONFIG_SYS_MONITOR_BASE,
- CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
- &flash_info[0]);
-#endif
-
-#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR)
- flash_protect(FLAG_PROTECT_SET,
- CONFIG_ENV_ADDR,
- CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1,
- &flash_info[0]);
-#endif
-
- /* reset device to read mode */
- flash[0x0000] = 0xf0;
- __asm__ __volatile__("sync");
- }
-
- return flash_info[0].size + flash_info[1].size;
-}
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info(flash_info_t *info)
-{
- static const char unk[] = "Unknown";
- const char *mfct = unk, *type = unk;
- unsigned int i;
-
- if(info->flash_id != FLASH_UNKNOWN){
- switch(info->flash_id & FLASH_VENDMASK){
- case FLASH_MAN_ATM:
- mfct = "Atmel";
- break;
- case FLASH_MAN_AMD:
- mfct = "AMD";
- break;
- case FLASH_MAN_FUJ:
- mfct = "FUJITSU";
- break;
- case FLASH_MAN_STM:
- mfct = "STM";
- break;
- case FLASH_MAN_SST:
- mfct = "SST";
- break;
- case FLASH_MAN_BM:
- mfct = "Bright Microelectonics";
- break;
- case FLASH_MAN_INTEL:
- mfct = "Intel";
- break;
- }
-
- switch(info->flash_id & FLASH_TYPEMASK){
- case FLASH_AT040:
- type = "AT49LV040 (512K * 8, uniform sector size)";
- break;
- case FLASH_AM033:
- type = "AM29F033C (4 Mbit * 8, uniform sector size)";
- break;
- case FLASH_AM040:
- type = "AM29F040B (512K * 8, uniform sector size)";
- break;
- case FLASH_AM065:
- type = "AM29F0465D ( 8 MBit * 8, uniform sector size) or part of AM29F652D( 16 MB)";
- break;
- case FLASH_AM400B:
- type = "AM29LV400B (4 Mbit, bottom boot sect)";
- break;
- case FLASH_AM400T:
- type = "AM29LV400T (4 Mbit, top boot sector)";
- break;
- case FLASH_AM800B:
- type = "AM29LV800B (8 Mbit, bottom boot sect)";
- break;
- case FLASH_AM800T:
- type = "AM29LV800T (8 Mbit, top boot sector)";
- break;
- case FLASH_AM160T:
- type = "AM29LV160T (16 Mbit, top boot sector)";
- break;
- case FLASH_AM320B:
- type = "AM29LV320B (32 Mbit, bottom boot sect)";
- break;
- case FLASH_AM320T:
- type = "AM29LV320T (32 Mbit, top boot sector)";
- break;
- case FLASH_STM800AB:
- type = "M29W800AB (8 Mbit, bottom boot sect)";
- break;
- case FLASH_SST800A:
- type = "SST39LF/VF800 (8 Mbit, uniform sector size)";
- break;
- case FLASH_SST160A:
- type = "SST39LF/VF160 (16 Mbit, uniform sector size)";
- break;
- }
- }
-
- printf(
- "\n Brand: %s Type: %s\n"
- " Size: %lu KB in %d Sectors\n",
- mfct,
- type,
- info->size >> 10,
- info->sector_count
- );
-
- printf (" Sector Start Addresses:");
-
- for (i = 0; i < info->sector_count; i++){
- unsigned long size;
- unsigned int erased;
- unsigned long * flash = (unsigned long *) info->start[i];
-
- /*
- * Check if whole sector is erased
- */
- size =
- (i != (info->sector_count - 1)) ?
- (info->start[i + 1] - info->start[i]) >> 2 :
- (info->start[0] + info->size - info->start[i]) >> 2;
-
- for(
- flash = (unsigned long *) info->start[i], erased = 1;
- (flash != (unsigned long *) info->start[i] + size) && erased;
- flash++
- ){
- erased = *flash == ~0x0UL;
- }
-
- printf(
- "%s %08lX %s %s",
- (i % 5) ? "" : "\n ",
- info->start[i],
- erased ? "E" : " ",
- info->protect[i] ? "RO" : " "
- );
- }
-
- puts("\n");
- return;
-}
-
-int flash_erase(flash_info_t *info, int s_first, int s_last)
-{
- volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]);
- int flag, prot, sect, l_sect;
- ulong start, now, last;
- unsigned char sh8b;
-
- if ((s_first < 0) || (s_first > s_last)) {
- if (info->flash_id == FLASH_UNKNOWN) {
- printf ("- missing\n");
- } else {
- printf ("- no sectors to erase\n");
- }
- return 1;
- }
-
- if ((info->flash_id == FLASH_UNKNOWN) ||
- (info->flash_id > (FLASH_MAN_STM | FLASH_AMD_COMP))) {
- printf ("Can't erase unknown flash type - aborted\n");
- return 1;
- }
-
- prot = 0;
- for (sect=s_first; sect<=s_last; ++sect) {
- if (info->protect[sect]) {
- prot++;
- }
- }
-
- if (prot) {
- printf ("- Warning: %d protected sectors will not be erased!\n",
- prot);
- } else {
- printf ("\n");
- }
-
- l_sect = -1;
-
- /* Check the ROM CS */
- if ((info->start[0] >= ROM_CS1_START) && (info->start[0] < ROM_CS0_START)){
- sh8b = 3;
- }
- else{
- sh8b = 0;
- }
-
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
-
- addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
- addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00800080;
- addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
-
- /* Start erase on unprotected sectors */
- for (sect = s_first; sect<=s_last; sect++) {
- if (info->protect[sect] == 0) { /* not protected */
- addr = (FLASH_WORD_SIZE *)(info->start[0] + (
- (info->start[sect] - info->start[0]) << sh8b));
- if (info->flash_id & FLASH_MAN_SST){
- addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
- addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00800080;
- addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
- addr[0] = (FLASH_WORD_SIZE)0x00500050; /* block erase */
- udelay(30000); /* wait 30 ms */
- }
- else
- addr[0] = (FLASH_WORD_SIZE)0x00300030; /* sector erase */
- l_sect = sect;
- }
- }
-
- /* re-enable interrupts if necessary */
- if (flag){
- enable_interrupts();
- }
-
- /* wait at least 80us - let's wait 1 ms */
- udelay (1000);
-
- /*
- * We wait for the last triggered sector
- */
- if (l_sect < 0){
- goto DONE;
- }
-
- start = get_timer (0);
- last = start;
- addr = (FLASH_WORD_SIZE *)(info->start[0] + (
- (info->start[l_sect] - info->start[0]) << sh8b));
- while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
- if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
- printf ("Timeout\n");
- return 1;
- }
- /* show that we're waiting */
- if ((now - last) > 1000) { /* every second */
- serial_putc ('.');
- last = now;
- }
- }
-
-DONE:
- /* reset to read mode */
- addr = (FLASH_WORD_SIZE *)info->start[0];
- addr[0] = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
-
- printf (" done\n");
- return 0;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-
-int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
-{
- ulong cp, wp, data;
- int i, l, rc;
-
- wp = (addr & ~3); /* get lower word aligned address */
-
- /*
- * handle unaligned start bytes
- */
- if ((l = addr - wp) != 0) {
- data = 0;
- for (i=0, cp=wp; i<l; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
- for (; i<4 && cnt>0; ++i) {
- data = (data << 8) | *src++;
- --cnt;
- ++cp;
- }
- for (; cnt==0 && i<4; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
-
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
- }
- wp += 4;
- }
-
- /*
- * handle word aligned part
- */
- while (cnt >= 4) {
- data = 0;
- for (i=0; i<4; ++i) {
- data = (data << 8) | *src++;
- }
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
- }
- wp += 4;
- cnt -= 4;
- }
-
- if (cnt == 0) {
- return (0);
- }
-
- /*
- * handle unaligned tail bytes
- */
- data = 0;
- for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
- data = (data << 8) | *src++;
- --cnt;
- }
- for (; i<4; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
-
- return (write_word(info, wp, data));
-}
-
-/*-----------------------------------------------------------------------
- * Write a word to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_word (flash_info_t *info, ulong dest, ulong data)
-{
- volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)info->start[0];
- volatile FLASH_WORD_SIZE *dest2;
- volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *)&data;
- ulong start;
- int flag;
- int i;
- unsigned char sh8b;
-
- /* Check the ROM CS */
- if ((info->start[0] >= ROM_CS1_START) && (info->start[0] < ROM_CS0_START)){
- sh8b = 3;
- }
- else{
- sh8b = 0;
- }
-
- dest2 = (FLASH_WORD_SIZE *)(((dest - info->start[0]) << sh8b) +
- info->start[0]);
-
- /* Check if Flash is (sufficiently) erased */
- if ((*dest2 & (FLASH_WORD_SIZE)data) != (FLASH_WORD_SIZE)data) {
- return (2);
- }
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
-
- for (i=0; i<4/sizeof(FLASH_WORD_SIZE); i++){
- addr2[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr2[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
- addr2[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00A000A0;
-
- dest2[i << sh8b] = data2[i];
-
- /* re-enable interrupts if necessary */
- if (flag){
- enable_interrupts();
- }
-
- /* data polling for D7 */
- start = get_timer (0);
- while ((dest2[i << sh8b] & (FLASH_WORD_SIZE)0x00800080) !=
- (data2[i] & (FLASH_WORD_SIZE)0x00800080)) {
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- return (1);
- }
- }
- }
-
- return (0);
-}
-
-/*----------------------------------------------------------------------- */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 12:42:03 +0000