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-rw-r--r--board/mousse/flash.c917
1 files changed, 0 insertions, 917 deletions
diff --git a/board/mousse/flash.c b/board/mousse/flash.c
deleted file mode 100644
index acedcb1..0000000
--- a/board/mousse/flash.c
+++ /dev/null
@@ -1,917 +0,0 @@
-/*
- * MOUSSE/MPC8240 Board definitions.
- * Flash Routines for MOUSSE onboard AMD29LV106DB devices
- *
- * (C) Copyright 2000
- * Marius Groeger <mgroeger@sysgo.de>
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- *
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 1999, by Curt McDowell, 08-06-99, Broadcom Corp.
- * (C) Copyright 2001, James Dougherty, 07/18/01, Broadcom Corp.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <mpc8xx.h>
-#include <malloc.h>
-#include "mousse.h"
-#include "flash.h"
-
-int flashLibDebug = 0;
-int flashLibInited = 0;
-
-#define OK 0
-#define ERROR -1
-#define STATUS int
-#define PRINTF if (flashLibDebug) printf
-#if 0
-#define PRIVATE static
-#else
-#define PRIVATE
-#endif
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
-
-#define SLEEP_DELAY 166
-#define FLASH_SECTOR_SIZE (64*1024)
-/***********************************************************************
- *
- * Virtual Flash Devices on Mousse board
- *
- * These must be kept in sync with the definitions in flashLib.h.
- *
- ***********************************************************************/
-
-PRIVATE flash_dev_t flashDev[] = {
- /* Bank 0 sector SA0 (16 kB) */
- { "SA0",FLASH0_BANK, FLASH0_SEG0_START, 1, 14,
- FLASH0_VENDOR_ID, FLASH0_DEVICE_ID
- },
- /* Bank 0 sector SA1 (8 kB) */
- { "SA1", FLASH0_BANK, FLASH0_SEG0_START + 0x4000, 1, 13,
- FLASH0_VENDOR_ID, FLASH0_DEVICE_ID
- },
- /* Bank 0 sector SA2 (8 kB) */
- { "SA2", FLASH0_BANK, FLASH0_SEG0_START + 0x6000, 1, 13,
- FLASH0_VENDOR_ID, FLASH0_DEVICE_ID
- },
- /* Bank 0 sector SA3 is occluded by Mousse I/O devices */
- /* Bank 0 sectors SA4-SA18, after Mousse devices up to PLCC (960 kB) */
- { "KERNEL", FLASH0_BANK, FLASH0_SEG1_START, 15, 16,
- FLASH0_VENDOR_ID, FLASH0_DEVICE_ID
- },
- /* Bank 0 sectors SA19-SA26, jumper can occlude this by PLCC (512 kB) */
- /* This is where the Kahlua boot vector and boot ROM code resides. */
- { "BOOT",FLASH0_BANK, FLASH0_SEG2_START, 8, 16,
- FLASH0_VENDOR_ID, FLASH0_DEVICE_ID
- },
- /* Bank 0 sectors SA27-SA34 (512 kB) */
- { "RAMDISK",FLASH0_BANK, FLASH0_SEG3_START, 8, 16,
- FLASH0_VENDOR_ID, FLASH0_DEVICE_ID
- },
-};
-
-int flashDevCount = (sizeof (flashDev) / sizeof (flashDev[0]));
-
-#define DEV(no) (&flashDev[no])
-#define DEV_NO(dev) ((dev) - flashDev)
-
-/***********************************************************************
- *
- * Private Flash Routines
- *
- ***********************************************************************/
-
-/*
- * The convention is:
- *
- * "addr" is always the PROM raw address, which is the address of an
- * 8-bit quantity for flash 0 and 16-bit quantity for flash 1.
- *
- * "pos" is always a logical byte position from the PROM beginning.
- */
-
-#define FLASH0_ADDR(dev, addr) \
- ((unsigned char *) ((dev)->base + (addr)))
-
-#define FLASH0_WRITE(dev, addr, value) \
- (*FLASH0_ADDR(dev, addr) = (value))
-
-#define FLASH0_READ(dev, addr) \
- (*FLASH0_ADDR(dev, addr))
-
-PRIVATE int flashCheck (flash_dev_t * dev)
-{
- if (!flashLibInited) {
- printf ("flashCheck: flashLib not initialized\n");
- return ERROR;
- }
-
- if (dev < &flashDev[0] || dev >= &flashDev[flashDevCount]) {
- printf ("flashCheck: Bad dev parameter\n");
- return ERROR;
- }
-
- if (!dev->found) {
- printf ("flashCheck: Device %d not available\n", DEV_NO (dev));
- return ERROR;
- }
-
- return OK;
-}
-
-PRIVATE void flashReset (flash_dev_t * dev)
-{
- PRINTF ("flashReset: dev=%d\n", DEV_NO (dev));
-
- if (dev->bank == FLASH0_BANK) {
- FLASH0_WRITE (dev, 0x555, 0xaa);
- FLASH0_WRITE (dev, 0xaaa, 0x55);
- FLASH0_WRITE (dev, 0x555, 0xf0);
- }
-
- udelay (SLEEP_DELAY);
-
- PRINTF ("flashReset: done\n");
-}
-
-PRIVATE int flashProbe (flash_dev_t * dev)
-{
- int rv, deviceID, vendorID;
-
- PRINTF ("flashProbe: dev=%d\n", DEV_NO (dev));
-
- if (dev->bank != FLASH0_BANK) {
- rv = ERROR;
- goto DONE;
- }
-
- FLASH0_WRITE (dev, 0xaaa, 0xaa);
- FLASH0_WRITE (dev, 0x555, 0x55);
- FLASH0_WRITE (dev, 0xaaa, 0x90);
-
- udelay (SLEEP_DELAY);
-
- vendorID = FLASH0_READ (dev, 0);
- deviceID = FLASH0_READ (dev, 2);
-
- FLASH0_WRITE (dev, 0, 0xf0);
-
- PRINTF ("flashProbe: vendor=0x%x device=0x%x\n", vendorID, deviceID);
-
- if (vendorID == dev->vendorID && deviceID == dev->deviceID)
- rv = OK;
- else
- rv = ERROR;
-
- DONE:
- PRINTF ("flashProbe: rv=%d\n", rv);
-
- return rv;
-}
-
-PRIVATE int flashWait (flash_dev_t * dev, int addr, int expect, int erase)
-{
- int rv = ERROR;
- int i, data;
- int polls;
-
-#if 0
- PRINTF ("flashWait: dev=%d addr=0x%x expect=0x%x erase=%d\n",
- DEV_NO (dev), addr, expect, erase);
-#endif
-
- if (dev->bank != FLASH0_BANK) {
- rv = ERROR;
- goto done;
- }
-
- if (erase)
- polls = FLASH_ERASE_SECTOR_TIMEOUT; /* Ticks */
- else
- polls = FLASH_PROGRAM_POLLS; /* Loops */
-
- for (i = 0; i < polls; i++) {
- if (erase)
- udelay (SLEEP_DELAY);
-
- data = FLASH0_READ (dev, addr);
-
- if (((data ^ expect) & 0x80) == 0) {
- rv = OK;
- goto done;
- }
-
- if (data & 0x20) {
- /*
- * If the 0x20 bit has come on, it could actually be because
- * the operation succeeded, so check the done bit again.
- */
-
- data = FLASH0_READ (dev, addr);
-
- if (((data ^ expect) & 0x80) == 0) {
- rv = OK;
- goto done;
- }
-
- printf ("flashWait: Program error (dev: %d, addr: 0x%x)\n",
- DEV_NO (dev), addr);
-
- flashReset (dev);
- rv = ERROR;
- goto done;
- }
- }
-
- printf ("flashWait: Timeout %s (dev: %d, addr: 0x%x)\n",
- erase ? "erasing sector" : "programming byte",
- DEV_NO (dev), addr);
-
- done:
-
-#if 0
- PRINTF ("flashWait: rv=%d\n", rv);
-#endif
-
- return rv;
-}
-
-/***********************************************************************
- *
- * Public Flash Routines
- *
- ***********************************************************************/
-
-STATUS flashLibInit (void)
-{
- int i;
-
- PRINTF ("flashLibInit: devices=%d\n", flashDevCount);
-
- for (i = 0; i < flashDevCount; i++) {
- flash_dev_t *dev = &flashDev[i];
-
- /*
- * For bank 1, probe both without and with byte swappage,
- * so that this module works on both old and new Mousse boards.
- */
-
- flashReset (dev);
-
- if (flashProbe (dev) != ERROR)
- dev->found = 1;
-
- flashReset (dev);
-
- if (flashProbe (dev) != ERROR)
- dev->found = 1;
-
- dev->swap = 0;
-
- if (dev->found) {
- PRINTF ("\n FLASH %s[%d]: iobase=0x%x - %d sectors %d KB",
- flashDev[i].name, i, flashDev[i].base,
- flashDev[i].sectors,
- (flashDev[i].sectors * FLASH_SECTOR_SIZE) / 1024);
-
- }
- }
-
- flashLibInited = 1;
-
- PRINTF ("flashLibInit: done\n");
-
- return OK;
-}
-
-STATUS flashEraseSector (flash_dev_t * dev, int sector)
-{
- int pos, addr;
-
- PRINTF ("flashErasesector: dev=%d sector=%d\n", DEV_NO (dev), sector);
-
- if (flashCheck (dev) == ERROR)
- return ERROR;
-
- if (sector < 0 || sector >= dev->sectors) {
- printf ("flashEraseSector: Sector out of range (dev: %d, sector: %d)\n", DEV_NO (dev), sector);
- return ERROR;
- }
-
- pos = FLASH_SECTOR_POS (dev, sector);
-
- if (dev->bank != FLASH0_BANK) {
- return ERROR;
- }
-
- addr = pos;
-
- FLASH0_WRITE (dev, 0xaaa, 0xaa);
- FLASH0_WRITE (dev, 0x555, 0x55);
- FLASH0_WRITE (dev, 0xaaa, 0x80);
- FLASH0_WRITE (dev, 0xaaa, 0xaa);
- FLASH0_WRITE (dev, 0x555, 0x55);
- FLASH0_WRITE (dev, addr, 0x30);
-
- return flashWait (dev, addr, 0xff, 1);
-}
-
-/*
- * Note: it takes about as long to flash all sectors together with Chip
- * Erase as it does to flash them one at a time (about 30 seconds for 2
- * MB). Also since we want to be able to treat subsets of sectors as if
- * they were complete devices, we don't use Chip Erase.
- */
-
-STATUS flashErase (flash_dev_t * dev)
-{
- int sector;
-
- PRINTF ("flashErase: dev=%d sectors=%d\n", DEV_NO (dev), dev->sectors);
-
- if (flashCheck (dev) == ERROR)
- return ERROR;
-
- for (sector = 0; sector < dev->sectors; sector++) {
- if (flashEraseSector (dev, sector) == ERROR)
- return ERROR;
- }
- return OK;
-}
-
-/*
- * Read and write bytes
- */
-
-STATUS flashRead (flash_dev_t * dev, int pos, char *buf, int len)
-{
- int addr, words;
-
- PRINTF ("flashRead: dev=%d pos=0x%x buf=0x%x len=0x%x\n",
- DEV_NO (dev), pos, (int) buf, len);
-
- if (flashCheck (dev) == ERROR)
- return ERROR;
-
- if (pos < 0 || len < 0 || pos + len > FLASH_MAX_POS (dev)) {
- printf ("flashRead: Position out of range "
- "(dev: %d, pos: 0x%x, len: 0x%x)\n",
- DEV_NO (dev), pos, len);
- return ERROR;
- }
-
- if (len == 0)
- return OK;
-
- if (dev->bank == FLASH0_BANK) {
- addr = pos;
- words = len;
-
- PRINTF ("flashRead: memcpy(0x%x, 0x%x, 0x%x)\n",
- (int) buf, (int) FLASH0_ADDR (dev, pos), len);
-
- memcpy (buf, FLASH0_ADDR (dev, addr), words);
-
- }
- PRINTF ("flashRead: rv=OK\n");
-
- return OK;
-}
-
-STATUS flashWrite (flash_dev_t * dev, int pos, char *buf, int len)
-{
- int addr, words;
-
- PRINTF ("flashWrite: dev=%d pos=0x%x buf=0x%x len=0x%x\n",
- DEV_NO (dev), pos, (int) buf, len);
-
- if (flashCheck (dev) == ERROR)
- return ERROR;
-
- if (pos < 0 || len < 0 || pos + len > FLASH_MAX_POS (dev)) {
- printf ("flashWrite: Position out of range "
- "(dev: %d, pos: 0x%x, len: 0x%x)\n",
- DEV_NO (dev), pos, len);
- return ERROR;
- }
-
- if (len == 0)
- return OK;
-
- if (dev->bank == FLASH0_BANK) {
- unsigned char tmp;
-
- addr = pos;
- words = len;
-
- while (words--) {
- tmp = *buf;
- if (~FLASH0_READ (dev, addr) & tmp) {
- printf ("flashWrite: Attempt to program 0 to 1 "
- "(dev: %d, addr: 0x%x, data: 0x%x)\n",
- DEV_NO (dev), addr, tmp);
- return ERROR;
- }
- FLASH0_WRITE (dev, 0xaaa, 0xaa);
- FLASH0_WRITE (dev, 0x555, 0x55);
- FLASH0_WRITE (dev, 0xaaa, 0xa0);
- FLASH0_WRITE (dev, addr, tmp);
- if (flashWait (dev, addr, tmp, 0) < 0)
- return ERROR;
- buf++;
- addr++;
- }
- }
-
- PRINTF ("flashWrite: rv=OK\n");
-
- return OK;
-}
-
-/*
- * flashWritable returns true if a range contains all F's.
- */
-
-STATUS flashWritable (flash_dev_t * dev, int pos, int len)
-{
- int addr, words;
- int rv = ERROR;
-
- PRINTF ("flashWritable: dev=%d pos=0x%x len=0x%x\n",
- DEV_NO (dev), pos, len);
-
- if (flashCheck (dev) == ERROR)
- goto done;
-
- if (pos < 0 || len < 0 || pos + len > FLASH_MAX_POS (dev)) {
- printf ("flashWritable: Position out of range "
- "(dev: %d, pos: 0x%x, len: 0x%x)\n",
- DEV_NO (dev), pos, len);
- goto done;
- }
-
- if (len == 0) {
- rv = 1;
- goto done;
- }
-
- if (dev->bank == FLASH0_BANK) {
- addr = pos;
- words = len;
-
- while (words--) {
- if (FLASH0_READ (dev, addr) != 0xff) {
- rv = 0;
- goto done;
- }
- addr++;
- }
- }
-
- rv = 1;
-
- done:
- PRINTF ("flashWrite: rv=%d\n", rv);
- return rv;
-}
-
-
-/*
- * NOTE: the below code cannot run from FLASH!!!
- */
-/***********************************************************************
- *
- * Flash Diagnostics
- *
- ***********************************************************************/
-
-STATUS flashDiag (flash_dev_t * dev)
-{
- unsigned int *buf = 0;
- int i, len, sector;
- int rv = ERROR;
-
- if (flashCheck (dev) == ERROR)
- return ERROR;
-
- printf ("flashDiag: Testing device %d, "
- "base: 0x%x, %d sectors @ %d kB = %d kB\n",
- DEV_NO (dev), dev->base,
- dev->sectors,
- 1 << (dev->lgSectorSize - 10),
- dev->sectors << (dev->lgSectorSize - 10));
-
- len = 1 << dev->lgSectorSize;
-
- printf ("flashDiag: Erasing\n");
-
- if (flashErase (dev) == ERROR) {
- printf ("flashDiag: Erase failed\n");
- goto done;
- }
- printf ("%d bytes requested ...\n", len);
- buf = malloc (len);
- printf ("allocated %d bytes ...\n", len);
- if (buf == 0) {
- printf ("flashDiag: Out of memory\n");
- goto done;
- }
-
- /*
- * Write unique counting pattern to each sector
- */
-
- for (sector = 0; sector < dev->sectors; sector++) {
- printf ("flashDiag: Write sector %d\n", sector);
-
- for (i = 0; i < len / 4; i++)
- buf[i] = sector << 24 | i;
-
- if (flashWrite (dev,
- sector << dev->lgSectorSize,
- (char *) buf, len) == ERROR) {
- printf ("flashDiag: Write failed (dev: %d, sector: %d)\n",
- DEV_NO (dev), sector);
- goto done;
- }
- }
-
- /*
- * Verify
- */
-
- for (sector = 0; sector < dev->sectors; sector++) {
- printf ("flashDiag: Verify sector %d\n", sector);
-
- if (flashRead (dev,
- sector << dev->lgSectorSize,
- (char *) buf, len) == ERROR) {
- printf ("flashDiag: Read failed (dev: %d, sector: %d)\n",
- DEV_NO (dev), sector);
- goto done;
- }
-
- for (i = 0; i < len / 4; i++) {
- if (buf[i] != (sector << 24 | i)) {
- printf ("flashDiag: Verify error "
- "(dev: %d, sector: %d, offset: 0x%x)\n",
- DEV_NO (dev), sector, i);
- printf ("flashDiag: Expected 0x%08x, got 0x%08x\n",
- sector << 24 | i, buf[i]);
-
- goto done;
- }
- }
- }
-
- printf ("flashDiag: Erasing\n");
-
- if (flashErase (dev) == ERROR) {
- printf ("flashDiag: Final erase failed\n");
- goto done;
- }
-
- rv = OK;
-
- done:
- if (buf)
- free (buf);
-
- if (rv == OK)
- printf ("flashDiag: Device %d passed\n", DEV_NO (dev));
- else
- printf ("flashDiag: Device %d failed\n", DEV_NO (dev));
-
- return rv;
-}
-
-STATUS flashDiagAll (void)
-{
- int i;
- int rv = OK;
-
- PRINTF ("flashDiagAll: devices=%d\n", flashDevCount);
-
- for (i = 0; i < flashDevCount; i++) {
- flash_dev_t *dev = &flashDev[i];
-
- if (dev->found && flashDiag (dev) == ERROR)
- rv = ERROR;
- }
-
- if (rv == OK)
- printf ("flashDiagAll: Passed\n");
- else
- printf ("flashDiagAll: Failed because of earlier errors\n");
-
- return OK;
-}
-
-
-/*-----------------------------------------------------------------------
- */
-unsigned long flash_init (void)
-{
- unsigned long size = 0;
- flash_dev_t *dev = NULL;
-
- flashLibInit ();
-
- /*
- * Provide info for FLASH (up to 960K) of Kernel Image data.
- */
- dev = FLASH_DEV_BANK0_LOW;
- flash_info[FLASH_BANK_KERNEL].flash_id =
- (dev->vendorID << 16) | dev->deviceID;
- flash_info[FLASH_BANK_KERNEL].sector_count = dev->sectors;
- flash_info[FLASH_BANK_KERNEL].size =
- flash_info[FLASH_BANK_KERNEL].sector_count * FLASH_SECTOR_SIZE;
- flash_info[FLASH_BANK_KERNEL].start[FIRST_SECTOR] = dev->base;
- size += flash_info[FLASH_BANK_KERNEL].size;
-
- /*
- * Provide info for 512K PLCC FLASH ROM (U-Boot)
- */
- dev = FLASH_DEV_BANK0_BOOT;
- flash_info[FLASH_BANK_BOOT].flash_id =
- (dev->vendorID << 16) | dev->deviceID;
- flash_info[FLASH_BANK_BOOT].sector_count = dev->sectors;
- flash_info[FLASH_BANK_BOOT].size =
- flash_info[FLASH_BANK_BOOT].sector_count * FLASH_SECTOR_SIZE;
- flash_info[FLASH_BANK_BOOT].start[FIRST_SECTOR] = dev->base;
- size += flash_info[FLASH_BANK_BOOT].size;
-
-
- /*
- * Provide info for 512K FLASH0 segment (U-Boot)
- */
- dev = FLASH_DEV_BANK0_HIGH;
- flash_info[FLASH_BANK_AUX].flash_id =
- (dev->vendorID << 16) | dev->deviceID;
- flash_info[FLASH_BANK_AUX].sector_count = dev->sectors;
- flash_info[FLASH_BANK_AUX].size =
- flash_info[FLASH_BANK_AUX].sector_count * FLASH_SECTOR_SIZE;
- flash_info[FLASH_BANK_AUX].start[FIRST_SECTOR] = dev->base;
- size += flash_info[FLASH_BANK_AUX].size;
-
-
- return size;
-}
-
-/*
- * Get flash device from U-Boot flash info.
- */
-flash_dev_t *getFlashDevFromInfo (flash_info_t * info)
-{
- int i;
-
- if (!info)
- return NULL;
-
- for (i = 0; i < flashDevCount; i++) {
- flash_dev_t *dev = &flashDev[i];
-
- if (dev->found && (dev->base == info->start[0]))
- return dev;
- }
- printf ("ERROR: notice, no FLASH mapped at address 0x%x\n",
- (unsigned int) info->start[0]);
- return NULL;
-}
-
-ulong flash_get_size (vu_long * addr, flash_info_t * info)
-{
- int i;
-
- for (i = 0; i < flashDevCount; i++) {
- flash_dev_t *dev = &flashDev[i];
-
- if (dev->found) {
- if (dev->base == (unsigned int) addr) {
- info->flash_id = (dev->vendorID << 16) | dev->deviceID;
- info->sector_count = dev->sectors;
- info->size = info->sector_count * FLASH_SECTOR_SIZE;
- return dev->sectors * FLASH_SECTOR_SIZE;
- }
- }
- }
- return 0;
-}
-
-void flash_print_info (flash_info_t * info)
-{
- int i;
- unsigned int chip;
-
- if (info->flash_id == FLASH_UNKNOWN) {
- printf ("missing or unknown FLASH type\n");
- return;
- }
-
- switch ((info->flash_id >> 16) & 0xff) {
- case 0x1:
- printf ("AMD ");
- break;
- default:
- printf ("Unknown Vendor ");
- break;
- }
- chip = (unsigned int) info->flash_id & 0x000000ff;
-
- switch (chip) {
-
- case AMD_ID_F040B:
- printf ("AM29F040B (4 Mbit)\n");
- break;
-
- case AMD_ID_LV160B:
- case FLASH_AM160LV:
- case 0x49:
- printf ("AM29LV160B (16 Mbit / 2M x 8bit)\n");
- break;
-
- default:
- printf ("Unknown Chip Type:0x%x\n", chip);
- break;
- }
-
- printf (" Size: %ld bytes in %d Sectors\n",
- info->size, info->sector_count);
-
- printf (" Sector Start Addresses:");
- for (i = 0; i < info->sector_count; ++i) {
- if ((i % 5) == 0)
- printf ("\n ");
- printf (" %08lX%s",
- info->start[FIRST_SECTOR] + i * FLASH_SECTOR_SIZE,
- info->protect[i] ? " (RO)" : " ");
- }
- printf ("\n");
-}
-
-
-/*
- * Erase a range of flash sectors.
- */
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
- int prot, sect;
- flash_dev_t *dev = NULL;
-
- 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;
- }
-
- 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");
- }
-
- /* Start erase on unprotected sectors */
- dev = getFlashDevFromInfo (info);
- if (dev) {
- printf ("Erase FLASH[%s] -%d sectors:", dev->name, dev->sectors);
- for (sect = s_first; sect <= s_last; sect++) {
- if (info->protect[sect] == 0) { /* not protected */
- printf (".");
- if (ERROR == flashEraseSector (dev, sect)) {
- printf ("ERROR: could not erase sector %d on FLASH[%s]\n", sect, dev->name);
- return 1;
- }
- }
- }
- }
- printf (" done\n");
- return 0;
-}
-
-/*-----------------------------------------------------------------------
- * 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)
-{
-
- flash_dev_t *dev = getFlashDevFromInfo (info);
- int addr = dest - info->start[0];
-
- if (!dev)
- return 1;
-
- if (OK != flashWrite (dev, addr, (char *) &data, sizeof (ulong))) {
- printf ("ERROR: could not write to addr=0x%x, data=0x%x\n",
- (unsigned int) addr, (unsigned) data);
- return 1;
- }
-
- if ((addr % FLASH_SECTOR_SIZE) == 0)
- printf (".");
-
-
- PRINTF ("write_word:0x%x, base=0x%x, addr=0x%x, data=0x%x\n",
- (unsigned) info->start[0],
- (unsigned) dest,
- (unsigned) (dest - info->start[0]), (unsigned) data);
-
- 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;
- flash_dev_t *dev = getFlashDevFromInfo (info);
-
- if (dev) {
- printf ("FLASH[%s]:", dev->name);
- 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));
- }
- return 1;
-}
-
-/*-----------------------------------------------------------------------
- */
generated by cgit v0.10.2 at 2024-11-05 17:31:52 (GMT)