summaryrefslogtreecommitdiff
path: root/board/netphone/flash.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/netphone/flash.c')
-rw-r--r--board/netphone/flash.c513
1 files changed, 0 insertions, 513 deletions
diff --git a/board/netphone/flash.c b/board/netphone/flash.c
deleted file mode 100644
index 91bd968379e..00000000000
--- a/board/netphone/flash.c
+++ /dev/null
@@ -1,513 +0,0 @@
-/*
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <mpc8xx.h>
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-static ulong flash_get_size(vu_long * addr, flash_info_t * info);
-static int write_byte(flash_info_t * info, ulong dest, uchar data);
-static void flash_get_offsets(ulong base, flash_info_t * info);
-
-/*-----------------------------------------------------------------------
- */
-
-unsigned long flash_init(void)
-{
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
- unsigned long size;
-#if CONFIG_NETPHONE_VERSION == 2
- unsigned long size1;
-#endif
- int i;
-
- /* Init: no FLASHes known */
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i)
- flash_info[i].flash_id = FLASH_UNKNOWN;
-
- size = flash_get_size((vu_long *) FLASH_BASE0_PRELIM, &flash_info[0]);
-
- if (flash_info[0].flash_id == FLASH_UNKNOWN) {
- printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
- size, size << 20);
- }
-
- /* Remap FLASH according to real size */
- memctl->memc_or0 = CONFIG_SYS_OR_TIMING_FLASH | (-size & 0xFFFF8000);
- memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | (memctl->memc_br0 & ~(BR_BA_MSK));
-
- /* Re-do sizing to get full correct info */
- size = flash_get_size((vu_long *) CONFIG_SYS_FLASH_BASE, &flash_info[0]);
-
- flash_get_offsets(CONFIG_SYS_FLASH_BASE, &flash_info[0]);
-
- /* monitor protection ON by default */
- flash_protect(FLAG_PROTECT_SET,
- CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1,
- &flash_info[0]);
-
- flash_protect ( FLAG_PROTECT_SET,
- CONFIG_ENV_ADDR,
- CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
- &flash_info[0]);
-
-#ifdef CONFIG_ENV_ADDR_REDUND
- flash_protect ( FLAG_PROTECT_SET,
- CONFIG_ENV_ADDR_REDUND,
- CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1,
- &flash_info[0]);
-#endif
-
- flash_info[0].size = size;
-
-#if CONFIG_NETPHONE_VERSION == 2
- size1 = flash_get_size((vu_long *) FLASH_BASE4_PRELIM, &flash_info[1]);
- if (size1 > 0) {
- if (flash_info[1].flash_id == FLASH_UNKNOWN)
- printf("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n", size1, size1 << 20);
-
- /* Remap FLASH according to real size */
- memctl->memc_or4 = CONFIG_SYS_OR_TIMING_FLASH | (-size1 & 0xFFFF8000);
- memctl->memc_br4 = (CONFIG_SYS_FLASH_BASE4 & BR_BA_MSK) | (memctl->memc_br4 & ~(BR_BA_MSK));
-
- /* Re-do sizing to get full correct info */
- size1 = flash_get_size((vu_long *) CONFIG_SYS_FLASH_BASE4, &flash_info[1]);
-
- flash_get_offsets(CONFIG_SYS_FLASH_BASE4, &flash_info[1]);
-
- size += size1;
- } else
- memctl->memc_br4 &= ~BR_V;
-#endif
-
- return (size);
-}
-
-/*-----------------------------------------------------------------------
- */
-static void flash_get_offsets(ulong base, flash_info_t * info)
-{
- int i;
-
- /* set up sector start address table */
- if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) {
- for (i = 0; i < info->sector_count; i++) {
- info->start[i] = base + (i * 0x00010000);
- }
- } else if (info->flash_id & FLASH_BTYPE) {
- /* set sector offsets for bottom boot block type */
- info->start[0] = base + 0x00000000;
- info->start[1] = base + 0x00004000;
- info->start[2] = base + 0x00006000;
- info->start[3] = base + 0x00008000;
- for (i = 4; i < info->sector_count; i++) {
- info->start[i] = base + (i * 0x00010000) - 0x00030000;
- }
- } else {
- /* set sector offsets for top boot block type */
- i = info->sector_count - 1;
- info->start[i--] = base + info->size - 0x00004000;
- info->start[i--] = base + info->size - 0x00006000;
- info->start[i--] = base + info->size - 0x00008000;
- for (; i >= 0; i--) {
- info->start[i] = base + i * 0x00010000;
- }
- }
-}
-
-/*-----------------------------------------------------------------------
- */
-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 & FLASH_VENDMASK) {
- case FLASH_MAN_AMD:
- printf("AMD ");
- break;
- case FLASH_MAN_FUJ:
- printf("FUJITSU ");
- break;
- case FLASH_MAN_MX:
- printf("MXIC ");
- break;
- default:
- printf("Unknown Vendor ");
- break;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK) {
- case FLASH_AM040:
- printf("AM29LV040B (4 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM400B:
- printf("AM29LV400B (4 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM400T:
- printf("AM29LV400T (4 Mbit, top boot sector)\n");
- break;
- case FLASH_AM800B:
- printf("AM29LV800B (8 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM800T:
- printf("AM29LV800T (8 Mbit, top boot sector)\n");
- break;
- case FLASH_AM160B:
- printf("AM29LV160B (16 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM160T:
- printf("AM29LV160T (16 Mbit, top boot sector)\n");
- break;
- case FLASH_AM320B:
- printf("AM29LV320B (32 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM320T:
- printf("AM29LV320T (32 Mbit, top boot 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");
-}
-
-/*-----------------------------------------------------------------------
- */
-
-
-/*-----------------------------------------------------------------------
- */
-
-/*
- * The following code cannot be run from FLASH!
- */
-
-static ulong flash_get_size(vu_long * addr, flash_info_t * info)
-{
- short i;
- uchar mid;
- uchar pid;
- vu_char *caddr = (vu_char *) addr;
- ulong base = (ulong) addr;
-
- /* Write auto select command: read Manufacturer ID */
- caddr[0x0555] = 0xAA;
- caddr[0x02AA] = 0x55;
- caddr[0x0555] = 0x90;
-
- mid = caddr[0];
- switch (mid) {
- case (AMD_MANUFACT & 0xFF):
- info->flash_id = FLASH_MAN_AMD;
- break;
- case (FUJ_MANUFACT & 0xFF):
- info->flash_id = FLASH_MAN_FUJ;
- break;
- case (MX_MANUFACT & 0xFF):
- info->flash_id = FLASH_MAN_MX;
- break;
- case (STM_MANUFACT & 0xFF):
- info->flash_id = FLASH_MAN_STM;
- break;
- default:
- info->flash_id = FLASH_UNKNOWN;
- info->sector_count = 0;
- info->size = 0;
- return (0); /* no or unknown flash */
- }
-
- pid = caddr[1]; /* device ID */
- switch (pid) {
- case (AMD_ID_LV400T & 0xFF):
- info->flash_id += FLASH_AM400T;
- info->sector_count = 11;
- info->size = 0x00080000;
- break; /* => 512 kB */
-
- case (AMD_ID_LV400B & 0xFF):
- info->flash_id += FLASH_AM400B;
- info->sector_count = 11;
- info->size = 0x00080000;
- break; /* => 512 kB */
-
- case (AMD_ID_LV800T & 0xFF):
- info->flash_id += FLASH_AM800T;
- info->sector_count = 19;
- info->size = 0x00100000;
- break; /* => 1 MB */
-
- case (AMD_ID_LV800B & 0xFF):
- info->flash_id += FLASH_AM800B;
- info->sector_count = 19;
- info->size = 0x00100000;
- break; /* => 1 MB */
-
- case (AMD_ID_LV160T & 0xFF):
- info->flash_id += FLASH_AM160T;
- info->sector_count = 35;
- info->size = 0x00200000;
- break; /* => 2 MB */
-
- case (AMD_ID_LV160B & 0xFF):
- info->flash_id += FLASH_AM160B;
- info->sector_count = 35;
- info->size = 0x00200000;
- break; /* => 2 MB */
-
- case (AMD_ID_LV040B & 0xFF):
- info->flash_id += FLASH_AM040;
- info->sector_count = 8;
- info->size = 0x00080000;
- break;
-
- case (STM_ID_M29W040B & 0xFF):
- info->flash_id += FLASH_AM040;
- info->sector_count = 8;
- info->size = 0x00080000;
- break;
-
-#if 0 /* enable when device IDs are available */
- case (AMD_ID_LV320T & 0xFF):
- info->flash_id += FLASH_AM320T;
- info->sector_count = 67;
- info->size = 0x00400000;
- break; /* => 4 MB */
-
- case (AMD_ID_LV320B & 0xFF):
- info->flash_id += FLASH_AM320B;
- info->sector_count = 67;
- info->size = 0x00400000;
- break; /* => 4 MB */
-#endif
- default:
- info->flash_id = FLASH_UNKNOWN;
- return (0); /* => no or unknown flash */
-
- }
-
- printf(" ");
- /* set up sector start address table */
- if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) {
- for (i = 0; i < info->sector_count; i++) {
- info->start[i] = base + (i * 0x00010000);
- }
- } else if (info->flash_id & FLASH_BTYPE) {
- /* set sector offsets for bottom boot block type */
- info->start[0] = base + 0x00000000;
- info->start[1] = base + 0x00004000;
- info->start[2] = base + 0x00006000;
- info->start[3] = base + 0x00008000;
- for (i = 4; i < info->sector_count; i++) {
- info->start[i] = base + (i * 0x00010000) - 0x00030000;
- }
- } else {
- /* set sector offsets for top boot block type */
- i = info->sector_count - 1;
- info->start[i--] = base + info->size - 0x00004000;
- info->start[i--] = base + info->size - 0x00006000;
- info->start[i--] = base + info->size - 0x00008000;
- for (; i >= 0; i--) {
- info->start[i] = base + i * 0x00010000;
- }
- }
-
- /* check for protected sectors */
- for (i = 0; i < info->sector_count; i++) {
- /* read sector protection: D0 = 1 if protected */
- caddr = (volatile unsigned char *)(info->start[i]);
- info->protect[i] = caddr[2] & 1;
- }
-
- /*
- * Prevent writes to uninitialized FLASH.
- */
- if (info->flash_id != FLASH_UNKNOWN) {
- caddr = (vu_char *) info->start[0];
-
- caddr[0x0555] = 0xAA;
- caddr[0x02AA] = 0x55;
- caddr[0x0555] = 0xF0;
-
- udelay(20000);
- }
-
- return (info->size);
-}
-
-
-/*-----------------------------------------------------------------------
- */
-
-int flash_erase(flash_info_t * info, int s_first, int s_last)
-{
- vu_char *addr = (vu_char *) (info->start[0]);
- int flag, prot, sect, l_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;
- }
-
- if ((info->flash_id == FLASH_UNKNOWN) ||
- (info->flash_id > FLASH_AMD_COMP)) {
- printf("Can't erase unknown flash type %08lx - aborted\n", info->flash_id);
- 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;
-
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
-
- addr[0x0555] = 0xAA;
- addr[0x02AA] = 0x55;
- addr[0x0555] = 0x80;
- addr[0x0555] = 0xAA;
- addr[0x02AA] = 0x55;
-
- /* Start erase on unprotected sectors */
- for (sect = s_first; sect <= s_last; sect++) {
- if (info->protect[sect] == 0) { /* not protected */
- addr = (vu_char *) (info->start[sect]);
- addr[0] = 0x30;
- 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 = (vu_char *) (info->start[l_sect]);
- while ((addr[0] & 0x80) != 0x80) {
- 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 */
- putc('.');
- last = now;
- }
- }
-
-DONE:
- /* reset to read mode */
- addr = (vu_char *) info->start[0];
- addr[0] = 0xF0; /* 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)
-{
- int rc;
-
- while (cnt > 0) {
- if ((rc = write_byte(info, addr++, *src++)) != 0) {
- return (rc);
- }
- --cnt;
- }
-
- return (0);
-}
-
-/*-----------------------------------------------------------------------
- * Write a word to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_byte(flash_info_t * info, ulong dest, uchar data)
-{
- vu_char *addr = (vu_char *) (info->start[0]);
- ulong start;
- int flag;
-
- /* Check if Flash is (sufficiently) erased */
- if ((*((vu_char *) dest) & data) != data) {
- return (2);
- }
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
-
- addr[0x0555] = 0xAA;
- addr[0x02AA] = 0x55;
- addr[0x0555] = 0xA0;
-
- *((vu_char *) dest) = data;
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
-
- /* data polling for D7 */
- start = get_timer(0);
- while ((*((vu_char *) dest) & 0x80) != (data & 0x80)) {
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- return (1);
- }
- }
- return (0);
-}
generated by cgit v1.2.3 (git 2.0.4) at 2025-10-31 06:44:03 +0000