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@@ -1,544 +0,0 @@
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-/*
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- * (C) Copyright 2006
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- * Stefan Roese, DENX Software Engineering, sr@denx.de.
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- *
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- * SPDX-License-Identifier: GPL-2.0+
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- */
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-
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-#include <common.h>
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-#include <asm/processor.h>
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-
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-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
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-
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-/*
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- * Functions
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- */
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-static int write_word(flash_info_t *info, ulong dest, ulong data);
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-
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-void flash_print_info(flash_info_t *info)
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-{
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- int i;
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- int k;
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- int size;
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- int erased;
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- volatile unsigned long *flash;
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-
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- if (info->flash_id == FLASH_UNKNOWN) {
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- printf ("missing or unknown FLASH type\n");
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- return;
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- }
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-
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- switch (info->flash_id & FLASH_VENDMASK) {
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- case FLASH_MAN_AMD: printf ("AMD "); break;
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- case FLASH_MAN_FUJ: printf ("FUJITSU "); break;
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- case FLASH_MAN_SST: printf ("SST "); break;
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- case FLASH_MAN_STM: printf ("ST "); break;
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- case FLASH_MAN_EXCEL: printf ("Excel Semiconductor "); break;
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- default: printf ("Unknown Vendor "); break;
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- }
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-
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- switch (info->flash_id & FLASH_TYPEMASK) {
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- case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
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- break;
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- case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n");
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- break;
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- case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n");
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- break;
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- case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n");
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- break;
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- case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
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- break;
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- case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n");
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- break;
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- case FLASH_AM320T: printf ("AM29LV320T (32 M, top sector)\n");
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- break;
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- case FLASH_AM320B: printf ("AM29LV320B (32 M, bottom sector)\n");
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- break;
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- case FLASH_AMDL322T: printf ("AM29DL322T (32 M, top sector)\n");
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- break;
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- case FLASH_AMDL322B: printf ("AM29DL322B (32 M, bottom sector)\n");
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- break;
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- case FLASH_AMDL323T: printf ("AM29DL323T (32 M, top sector)\n");
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- break;
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- case FLASH_AMDL323B: printf ("AM29DL323B (32 M, bottom sector)\n");
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- break;
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- case FLASH_SST020: printf ("SST39LF/VF020 (2 Mbit, uniform sector size)\n");
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- break;
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- case FLASH_SST040: printf ("SST39LF/VF040 (4 Mbit, uniform sector size)\n");
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- break;
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- default: printf ("Unknown Chip Type\n");
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- break;
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- }
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-
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- printf (" Size: %ld MB in %d Sectors\n",
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- info->size >> 20, info->sector_count);
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-
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- printf (" Sector Start Addresses:");
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- for (i=0; i<info->sector_count; ++i) {
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-#ifdef CONFIG_SYS_FLASH_EMPTY_INFO
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- /*
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- * Check if whole sector is erased
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- */
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- if (i != (info->sector_count-1))
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- size = info->start[i+1] - info->start[i];
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- else
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- size = info->start[0] + info->size - info->start[i];
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- erased = 1;
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- flash = (volatile unsigned long *)info->start[i];
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- size = size >> 2; /* divide by 4 for longword access */
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- for (k=0; k<size; k++) {
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- if (*flash++ != 0xffffffff) {
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- erased = 0;
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- break;
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- }
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- }
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-
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- if ((i % 5) == 0)
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- printf ("\n ");
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- /* print empty and read-only info */
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- printf (" %08lX%s%s",
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- info->start[i],
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- erased ? " E" : " ",
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- info->protect[i] ? "RO " : " ");
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-#else
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- if ((i % 5) == 0)
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- printf ("\n ");
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- printf (" %08lX%s",
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- info->start[i],
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- info->protect[i] ? " (RO)" : " ");
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-#endif
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-
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- }
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- printf ("\n");
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- return;
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-}
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-
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-/*
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- * The following code cannot be run from FLASH!
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- */
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-static ulong flash_get_size(vu_long *addr, flash_info_t *info)
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-{
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- short i;
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- short n;
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- CONFIG_SYS_FLASH_WORD_SIZE value;
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- ulong base = (ulong)addr;
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- volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)addr;
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-
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- /* Write auto select command: read Manufacturer ID */
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- addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA;
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- addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055;
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- addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00900090;
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-
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- value = addr2[CONFIG_SYS_FLASH_READ0];
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-
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- switch (value) {
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- case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_MANUFACT:
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- info->flash_id = FLASH_MAN_AMD;
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- break;
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- case (CONFIG_SYS_FLASH_WORD_SIZE)FUJ_MANUFACT:
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- info->flash_id = FLASH_MAN_FUJ;
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- break;
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- case (CONFIG_SYS_FLASH_WORD_SIZE)SST_MANUFACT:
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- info->flash_id = FLASH_MAN_SST;
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- break;
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- case (CONFIG_SYS_FLASH_WORD_SIZE)STM_MANUFACT:
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- info->flash_id = FLASH_MAN_STM;
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- break;
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- case (CONFIG_SYS_FLASH_WORD_SIZE)EXCEL_MANUFACT:
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- info->flash_id = FLASH_MAN_EXCEL;
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- break;
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- default:
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- info->flash_id = FLASH_UNKNOWN;
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- info->sector_count = 0;
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- info->size = 0;
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- return (0); /* no or unknown flash */
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- }
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-
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- value = addr2[CONFIG_SYS_FLASH_READ1]; /* device ID */
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-
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- switch (value) {
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- case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV400T:
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- info->flash_id += FLASH_AM400T;
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- info->sector_count = 11;
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- info->size = 0x00080000;
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- break; /* => 0.5 MB */
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-
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- case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV400B:
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- info->flash_id += FLASH_AM400B;
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- info->sector_count = 11;
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- info->size = 0x00080000;
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- break; /* => 0.5 MB */
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-
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- case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV800T:
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- info->flash_id += FLASH_AM800T;
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- info->sector_count = 19;
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- info->size = 0x00100000;
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- break; /* => 1 MB */
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-
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- case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV800B:
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- info->flash_id += FLASH_AM800B;
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- info->sector_count = 19;
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- info->size = 0x00100000;
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- break; /* => 1 MB */
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-
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- case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV160T:
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- info->flash_id += FLASH_AM160T;
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- info->sector_count = 35;
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- info->size = 0x00200000;
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- break; /* => 2 MB */
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-
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- case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV160B:
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- info->flash_id += FLASH_AM160B;
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- info->sector_count = 35;
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- info->size = 0x00200000;
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- break; /* => 2 MB */
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-
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- case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV320T:
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- info->flash_id += FLASH_AM320T;
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- info->sector_count = 71;
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- info->size = 0x00400000; break; /* => 4 MB */
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-
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- case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV320B:
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- info->flash_id += FLASH_AM320B;
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- info->sector_count = 71;
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- info->size = 0x00400000; break; /* => 4 MB */
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-
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- case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_DL322T:
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- info->flash_id += FLASH_AMDL322T;
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- info->sector_count = 71;
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- info->size = 0x00400000; break; /* => 4 MB */
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-
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- case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_DL322B:
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- info->flash_id += FLASH_AMDL322B;
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- info->sector_count = 71;
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- info->size = 0x00400000; break; /* => 4 MB */
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-
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- case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_DL323T:
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- info->flash_id += FLASH_AMDL323T;
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- info->sector_count = 71;
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- info->size = 0x00400000; break; /* => 4 MB */
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-
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- case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_DL323B:
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- info->flash_id += FLASH_AMDL323B;
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- info->sector_count = 71;
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- info->size = 0x00400000; break; /* => 4 MB */
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-
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- case (CONFIG_SYS_FLASH_WORD_SIZE)SST_ID_xF020:
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- info->flash_id += FLASH_SST020;
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- info->sector_count = 64;
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- info->size = 0x00040000;
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- break; /* => 256 kB */
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-
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- case (CONFIG_SYS_FLASH_WORD_SIZE)SST_ID_xF040:
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- info->flash_id += FLASH_SST040;
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- info->sector_count = 128;
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- info->size = 0x00080000;
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- break; /* => 512 kB */
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-
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- default:
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- info->flash_id = FLASH_UNKNOWN;
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- return (0); /* => no or unknown flash */
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-
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- }
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-
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- /* set up sector start address table */
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- if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
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- for (i = 0; i < info->sector_count; i++)
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- info->start[i] = base + (i * 0x00001000);
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- } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) ||
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- ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) ||
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- ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
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- ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) {
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- /* set sector offsets for bottom boot block type */
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- for (i=0; i<8; ++i) { /* 8 x 8k boot sectors */
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- info->start[i] = base;
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- base += 8 << 10;
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- }
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- while (i < info->sector_count) { /* 64k regular sectors */
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- info->start[i] = base;
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- base += 64 << 10;
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- ++i;
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- }
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- } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) ||
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- ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) ||
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- ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
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- ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) {
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- /* set sector offsets for top boot block type */
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- base += info->size;
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- i = info->sector_count;
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- for (n=0; n<8; ++n) { /* 8 x 8k boot sectors */
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- base -= 8 << 10;
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- --i;
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- info->start[i] = base;
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- }
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- while (i > 0) { /* 64k regular sectors */
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- base -= 64 << 10;
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- --i;
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- info->start[i] = base;
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- }
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- } else {
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- if (info->flash_id & FLASH_BTYPE) {
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- /* set sector offsets for bottom boot block type */
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- info->start[0] = base + 0x00000000;
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- info->start[1] = base + 0x00004000;
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- info->start[2] = base + 0x00006000;
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- info->start[3] = base + 0x00008000;
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- for (i = 4; i < info->sector_count; i++) {
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- info->start[i] = base + (i * 0x00010000) - 0x00030000;
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- }
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- } else {
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- /* set sector offsets for top boot block type */
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- i = info->sector_count - 1;
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- info->start[i--] = base + info->size - 0x00004000;
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- info->start[i--] = base + info->size - 0x00006000;
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- info->start[i--] = base + info->size - 0x00008000;
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- for (; i >= 0; i--) {
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- info->start[i] = base + i * 0x00010000;
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- }
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- }
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- }
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-
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- /* check for protected sectors */
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- for (i = 0; i < info->sector_count; i++) {
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- /* read sector protection at sector address, (A7 .. A0) = 0x02 */
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- /* D0 = 1 if protected */
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- addr2 = (volatile CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[i]);
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- if ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_AMD)
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- info->protect[i] = 0;
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- else
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- info->protect[i] = addr2[CONFIG_SYS_FLASH_READ2] & 1;
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- }
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-
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- /*
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- * Prevent writes to uninitialized FLASH.
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- */
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- if (info->flash_id != FLASH_UNKNOWN) {
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- addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)info->start[0];
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- *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
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- }
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-
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- return (info->size);
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-}
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-
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-
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-int flash_erase(flash_info_t *info, int s_first, int s_last)
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-{
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- volatile CONFIG_SYS_FLASH_WORD_SIZE *addr = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[0]);
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- volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2;
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- int flag, prot, sect, l_sect;
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- ulong start, now, last;
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-
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- if ((s_first < 0) || (s_first > s_last)) {
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- if (info->flash_id == FLASH_UNKNOWN)
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- printf ("- missing\n");
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- else
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- printf ("- no sectors to erase\n");
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- return 1;
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- }
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-
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- if (info->flash_id == FLASH_UNKNOWN) {
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- printf ("Can't erase unknown flash type - aborted\n");
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- return 1;
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- }
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-
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- prot = 0;
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- for (sect=s_first; sect<=s_last; ++sect)
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- if (info->protect[sect])
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- prot++;
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-
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- if (prot)
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- printf ("- Warning: %d protected sectors will not be erased!\n", prot);
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- else
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- printf ("\n");
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-
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- l_sect = -1;
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-
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- /* Disable interrupts which might cause a timeout here */
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- flag = disable_interrupts();
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-
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- /* Start erase on unprotected sectors */
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- for (sect = s_first; sect<=s_last; sect++) {
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- if (info->protect[sect] == 0) { /* not protected */
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- addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[sect]);
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- if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
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- addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA;
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- addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055;
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- addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080;
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- addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA;
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- addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055;
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- addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00300030; /* sector erase */
|
|
|
-
|
|
|
- /* re-enable interrupts if necessary */
|
|
|
- if (flag) {
|
|
|
- enable_interrupts();
|
|
|
- flag = 0;
|
|
|
- }
|
|
|
-
|
|
|
- /* data polling for D7 */
|
|
|
- start = get_timer (0);
|
|
|
- while ((addr2[0] & (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080) !=
|
|
|
- (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080) {
|
|
|
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)
|
|
|
- return (1);
|
|
|
- }
|
|
|
- } else {
|
|
|
- if (sect == s_first) {
|
|
|
- addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA;
|
|
|
- addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055;
|
|
|
- addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080;
|
|
|
- addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA;
|
|
|
- addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055;
|
|
|
- }
|
|
|
- addr2[0] = (CONFIG_SYS_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 = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[l_sect]);
|
|
|
- while ((addr[0] & (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080) != (CONFIG_SYS_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 */
|
|
|
- putc ('.');
|
|
|
- last = now;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
-DONE:
|
|
|
- /* reset to read mode */
|
|
|
- addr = (CONFIG_SYS_FLASH_WORD_SIZE *)info->start[0];
|
|
|
- addr[0] = (CONFIG_SYS_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 CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[0]);
|
|
|
- volatile CONFIG_SYS_FLASH_WORD_SIZE *dest2 = (CONFIG_SYS_FLASH_WORD_SIZE *)dest;
|
|
|
- volatile CONFIG_SYS_FLASH_WORD_SIZE *data2 = (CONFIG_SYS_FLASH_WORD_SIZE *)&data;
|
|
|
- ulong start;
|
|
|
- int flag;
|
|
|
- int i;
|
|
|
-
|
|
|
- /* Check if Flash is (sufficiently) erased */
|
|
|
- if ((*((vu_long *)dest) & data) != data)
|
|
|
- return (2);
|
|
|
-
|
|
|
- /* Disable interrupts which might cause a timeout here */
|
|
|
- flag = disable_interrupts();
|
|
|
-
|
|
|
- for (i=0; i<4/sizeof(CONFIG_SYS_FLASH_WORD_SIZE); i++) {
|
|
|
- addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA;
|
|
|
- addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055;
|
|
|
- addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00A000A0;
|
|
|
-
|
|
|
- dest2[i] = data2[i];
|
|
|
-
|
|
|
- /* re-enable interrupts if necessary */
|
|
|
- if (flag)
|
|
|
- enable_interrupts();
|
|
|
-
|
|
|
- /* data polling for D7 */
|
|
|
- start = get_timer (0);
|
|
|
- while ((dest2[i] & (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080) !=
|
|
|
- (data2[i] & (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080)) {
|
|
|
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)
|
|
|
- return (1);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return (0);
|
|
|
-}
|