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-rw-r--r--board/pm828/flash.c370
1 files changed, 0 insertions, 370 deletions
diff --git a/board/pm828/flash.c b/board/pm828/flash.c
deleted file mode 100644
index 8888560b62f..00000000000
--- a/board/pm828/flash.c
+++ /dev/null
@@ -1,370 +0,0 @@
-/*
- * (C) Copyright 2001-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * Flash Routines for Intel devices
- *
- *--------------------------------------------------------------------
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <mpc8xx.h>
-
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
-
-/*-----------------------------------------------------------------------
- */
-ulong flash_get_size (volatile unsigned long *baseaddr,
- flash_info_t * info)
-{
- short i;
- unsigned long flashtest_h, flashtest_l;
-
- info->sector_count = info->size = 0;
- info->flash_id = FLASH_UNKNOWN;
-
- /* Write query command sequence and test FLASH answer
- */
- baseaddr[0] = 0x00980098;
- baseaddr[1] = 0x00980098;
-
- flashtest_h = baseaddr[0]; /* manufacturer ID */
- flashtest_l = baseaddr[1];
-
- if (flashtest_h != INTEL_MANUFACT || flashtest_l != INTEL_MANUFACT)
- return (0); /* no or unknown flash */
-
- flashtest_h = baseaddr[2]; /* device ID */
- flashtest_l = baseaddr[3];
-
- if (flashtest_h != flashtest_l)
- return (0);
-
- switch (flashtest_h) {
- case INTEL_ID_28F160C3B:
- info->flash_id = FLASH_28F160C3B;
- info->sector_count = 39;
- info->size = 0x00800000; /* 4 * 2 MB = 8 MB */
- break;
- case INTEL_ID_28F160F3B:
- info->flash_id = FLASH_28F160F3B;
- info->sector_count = 39;
- info->size = 0x00800000; /* 4 * 2 MB = 8 MB */
- break;
- case INTEL_ID_28F640C3B:
- info->flash_id = FLASH_28F640C3B;
- info->sector_count = 135;
- info->size = 0x02000000; /* 16 * 2 MB = 32 MB */
- break;
- default:
- return (0); /* no or unknown flash */
- }
-
- info->flash_id |= INTEL_MANUFACT << 16; /* set manufacturer offset */
-
- if (info->flash_id & FLASH_BTYPE) {
- volatile unsigned long *tmp = baseaddr;
-
- /* set up sector start adress table (bottom sector type)
- * AND unlock the sectors (if our chip is 160C3 or 640c3)
- */
- for (i = 0; i < info->sector_count; i++) {
- if (((info->flash_id & FLASH_TYPEMASK) == FLASH_28F160C3B) ||
- ((info->flash_id & FLASH_TYPEMASK) == FLASH_28F640C3B)) {
- tmp[0] = 0x00600060;
- tmp[1] = 0x00600060;
- tmp[0] = 0x00D000D0;
- tmp[1] = 0x00D000D0;
- }
- info->start[i] = (uint) tmp;
- tmp += i < 8 ? 0x2000 : 0x10000; /* pointer arith */
- }
- }
-
- memset (info->protect, 0, info->sector_count);
-
- baseaddr[0] = 0x00FF00FF;
- baseaddr[1] = 0x00FF00FF;
-
- return (info->size);
-}
-
-/*-----------------------------------------------------------------------
- */
-unsigned long flash_init (void)
-{
- unsigned long size_b0 = 0;
- int i;
-
- /* Init: no FLASHes known
- */
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
- flash_info[i].flash_id = FLASH_UNKNOWN;
- }
-
- /* Static FLASH Bank configuration here (only one bank) */
-
- size_b0 = flash_get_size ((ulong *) CONFIG_SYS_FLASH0_BASE, &flash_info[0]);
- if (flash_info[0].flash_id == FLASH_UNKNOWN || size_b0 == 0) {
- printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
- size_b0, size_b0 >> 20);
- }
-
- /* protect monitor and environment sectors
- */
-
-#ifndef CONFIG_BOOT_ROM
- /* If U-Boot is booted from ROM the CONFIG_SYS_MONITOR_BASE > CONFIG_SYS_FLASH0_BASE
- * but we shouldn't protect it.
- */
-
-# if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH0_BASE
- flash_protect (FLAG_PROTECT_SET,
- CONFIG_SYS_MONITOR_BASE,
- CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]
- );
-# endif
-#endif /* CONFIG_BOOT_ROM */
-
-#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR)
-# ifndef CONFIG_ENV_SIZE
-# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
-# endif
- flash_protect (FLAG_PROTECT_SET,
- CONFIG_ENV_ADDR,
- CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]);
-#endif
-
- return (size_b0);
-}
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info (flash_info_t * info)
-{
- int i;
-
- if (info->flash_id == FLASH_UNKNOWN) {
- printf ("missing or unknown FLASH type\n");
- return;
- }
-
- switch ((info->flash_id >> 16) & 0xff) {
- case 0x89:
- printf ("INTEL ");
- break;
- default:
- printf ("Unknown Vendor ");
- break;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK) {
- case FLASH_28F160C3B:
- printf ("28F160C3B (16 M, bottom sector)\n");
- break;
- case FLASH_28F160F3B:
- printf ("28F160F3B (16 M, bottom sector)\n");
- break;
- case FLASH_28F640C3B:
- printf ("28F640C3B (64 M, bottom sector)\n");
- break;
- default:
- printf ("Unknown Chip Type\n");
- break;
- }
-
- 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 ");
- printf (" %08lX%s",
- info->start[i],
- info->protect[i] ? " (RO)" : " "
- );
- }
- printf ("\n");
-}
-
-/*-----------------------------------------------------------------------
- */
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
- int flag, prot, sect;
- ulong start, now, last;
-
- 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
- */
- for (sect = s_first; sect <= s_last; sect++) {
- volatile ulong *addr =
- (volatile unsigned long *) info->start[sect];
-
- start = get_timer (0);
- last = start;
- if (info->protect[sect] == 0) {
- /* Disable interrupts which might cause a timeout here
- */
- flag = disable_interrupts ();
-
- /* Erase the block
- */
- addr[0] = 0x00200020;
- addr[1] = 0x00200020;
- addr[0] = 0x00D000D0;
- addr[1] = 0x00D000D0;
-
- /* re-enable interrupts if necessary
- */
- if (flag)
- enable_interrupts ();
-
- /* wait at least 80us - let's wait 1 ms
- */
- udelay (1000);
-
- last = start;
- while ((addr[0] & 0x00800080) != 0x00800080 ||
- (addr[1] & 0x00800080) != 0x00800080) {
- if ((now = get_timer (start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
- printf ("Timeout (erase suspended!)\n");
- /* Suspend erase
- */
- addr[0] = 0x00B000B0;
- addr[1] = 0x00B000B0;
- goto DONE;
- }
- /* show that we're waiting
- */
- if ((now - last) > 1000) { /* every second */
- serial_putc ('.');
- last = now;
- }
- }
- if (addr[0] & 0x00220022 || addr[1] & 0x00220022) {
- printf ("*** ERROR: erase failed!\n");
- goto DONE;
- }
- }
- /* Clear status register and reset to read mode
- */
- addr[0] = 0x00500050;
- addr[1] = 0x00500050;
- addr[0] = 0x00FF00FF;
- addr[1] = 0x00FF00FF;
- }
-
- printf (" done\n");
-
-DONE:
- return 0;
-}
-
-static int write_word (flash_info_t *, volatile unsigned long *, ulong);
-
-/*-----------------------------------------------------------------------
- * 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 v;
- int i, l, cc = cnt, res = 0;
-
-
- for (v=0; cc > 0; addr += 4, cc -= 4 - l) {
- l = (addr & 3);
- addr &= ~3;
-
- for (i = 0; i < 4; i++) {
- v = (v << 8) + (i < l || i - l >= cc ?
- *((unsigned char *) addr + i) : *src++);
- }
-
- if ((res = write_word (info, (volatile unsigned long *) addr, v)) != 0)
- break;
- }
-
- return (res);
-}
-
-/*-----------------------------------------------------------------------
- * Write a word to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_word (flash_info_t * info, volatile unsigned long *addr,
- ulong data)
-{
- int flag, res = 0;
- ulong start;
-
- /* Check if Flash is (sufficiently) erased
- */
- if ((*addr & data) != data)
- return (2);
-
- /* Disable interrupts which might cause a timeout here
- */
- flag = disable_interrupts ();
-
- *addr = 0x00400040;
- *addr = data;
-
- /* re-enable interrupts if necessary
- */
- if (flag)
- enable_interrupts ();
-
- start = get_timer (0);
- while ((*addr & 0x00800080) != 0x00800080) {
- if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- /* Suspend program
- */
- *addr = 0x00B000B0;
- res = 1;
- goto OUT;
- }
- }
-
- if (*addr & 0x00220022) {
- printf ("*** ERROR: program failed!\n");
- res = 1;
- }
-
-OUT:
- /* Clear status register and reset to read mode
- */
- *addr = 0x00500050;
- *addr = 0x00FF00FF;
-
- return (res);
-}
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