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-rw-r--r--board/mvblue/flash.c570
1 files changed, 0 insertions, 570 deletions
diff --git a/board/mvblue/flash.c b/board/mvblue/flash.c
deleted file mode 100644
index 5dd658ff8a..0000000000
--- a/board/mvblue/flash.c
+++ /dev/null
@@ -1,570 +0,0 @@
-/*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- * (C) Copyright 2001-2003
- *
- * Changes for MATRIX Vision mvBLUE devices
- * MATRIX Vision GmbH / hg,as info@matrix-vision.de
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <mpc824x.h>
-
-#if 0
- #define mvdebug(p) printf ##p
-#else
- #define mvdebug(p)
-#endif
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
-
-#define FLASH_BUS_WIDTH 8
-
-#if (FLASH_BUS_WIDTH==32)
- #define FLASH_DATA_MASK 0xffffffff
- #define FLASH_SHIFT 1
- #define FDT vu_long
-#elif (FLASH_BUS_WIDTH==16)
- #define FLASH_DATA_MASK 0xff
- #define FLASH_SHIFT 0
- #define FDT vu_short
-#elif (FLASH_BUS_WIDTH==8)
- #define FLASH_DATA_MASK 0xff
- #define FLASH_SHIFT 0
- #define FDT vu_char
-#else
- #error FLASH_BUS_WIDTH undefined
-#endif
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-static ulong flash_get_size (vu_long *address, flash_info_t *info);
-static int write_word (flash_info_t *info, ulong dest, ulong data);
-static void flash_get_offsets (ulong base, flash_info_t *info);
-
-/*-----------------------------------------------------------------------
- */
-unsigned long flash_init (void)
-{
- unsigned long size_b0;
- int i;
-
- for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
- flash_info[i].flash_id = FLASH_UNKNOWN;
- }
-
- size_b0 = flash_get_size((vu_long *)0xffc00000, &flash_info[0]);
-
- if (flash_info[0].flash_id == FLASH_UNKNOWN) {
- printf ("## Unknown FLASH : Size = 0x%08lx = %ld MB\n",
- size_b0, size_b0<<20);
- }
-
- flash_get_offsets (0xffc00000, &flash_info[0]);
- flash_info[0].size = size_b0;
-
- /* monitor protection OFF by default */
- flash_protect ( FLAG_PROTECT_CLEAR, 0xffc00000, 0x2000, flash_info );
-
- return size_b0;
-}
-
-/*-----------------------------------------------------------------------
- */
-static void flash_get_offsets (ulong base, flash_info_t *info)
-{
- int i;
-
- /* set up sector start address table */
- if (info->flash_id & FLASH_BTYPE)
- { /* bottom boot sector types - these are the useful ones! */
- /* set sector offsets for bottom boot block type */
- if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B)
- { /* AMDLV320B has 8 x 8k bottom boot sectors */
- for (i = 0; i < 8; i++) /* +8k */
- info->start[i] = base + (i * (0x00002000 << FLASH_SHIFT));
- for (; i < info->sector_count; i++) /* +64k */
- info->start[i] = base + (i * (0x00010000 << FLASH_SHIFT)) - (0x00070000 << FLASH_SHIFT);
- }
- else
- { /* other types have 4 bottom boot sectors (16,8,8,32) */
- i = 0;
- info->start[i++] = base + 0x00000000; /* - */
- info->start[i++] = base + (0x00004000 << FLASH_SHIFT); /* +16k */
- info->start[i++] = base + (0x00006000 << FLASH_SHIFT); /* +8k */
- info->start[i++] = base + (0x00008000 << FLASH_SHIFT); /* +8k */
- info->start[i++] = base + (0x00010000 << FLASH_SHIFT); /* +32k */
- for (; i < info->sector_count; i++) /* +64k */
- info->start[i] = base + (i * (0x00010000 << FLASH_SHIFT)) - (0x00030000 << FLASH_SHIFT);
- }
- }
- else
- { /* top boot sector types - not so useful */
- /* set sector offsets for top boot block type */
- if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T)
- { /* AMDLV320T has 8 x 8k top boot sectors */
- for (i = 0; i < info->sector_count - 8; i++) /* +64k */
- info->start[i] = base + (i * (0x00010000 << FLASH_SHIFT));
- for (; i < info->sector_count; i++) /* +8k */
- info->start[i] = base + (i * (0x00002000 << FLASH_SHIFT));
- }
- else
- { /* other types have 4 top boot sectors (32,8,8,16) */
- for (i = 0; i < info->sector_count - 4; i++) /* +64k */
- info->start[i] = base + (i * (0x00010000 << FLASH_SHIFT));
-
- info->start[i++] = base + info->size - (0x00010000 << FLASH_SHIFT); /* -32k */
- info->start[i++] = base + info->size - (0x00008000 << FLASH_SHIFT); /* -8k */
- info->start[i++] = base + info->size - (0x00006000 << FLASH_SHIFT); /* -8k */
- info->start[i] = base + info->size - (0x00004000 << FLASH_SHIFT); /* -16k */
- }
- }
-}
-
-/*-----------------------------------------------------------------------
- */
-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_STM: printf ("ST "); break;
- default: printf ("Unknown Vendor "); break;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK) {
- 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;
- case FLASH_STMW320DB: printf ("M29W320B (32 Mbit, bottom boot sect)\n");
- break;
- case FLASH_STMW320DT: printf ("M29W320T (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!
- */
-
-#define AMD_ID_LV160T_MVS (AMD_ID_LV160T & FLASH_DATA_MASK)
-#define AMD_ID_LV160B_MVS (AMD_ID_LV160B & FLASH_DATA_MASK)
-#define AMD_ID_LV320T_MVS (AMD_ID_LV320T & FLASH_DATA_MASK)
-#define AMD_ID_LV320B_MVS (AMD_ID_LV320B & FLASH_DATA_MASK)
-#define STM_ID_W320DT_MVS (STM_ID_29W320DT & FLASH_DATA_MASK)
-#define STM_ID_W320DB_MVS (STM_ID_29W320DB & FLASH_DATA_MASK)
-#define AMD_MANUFACT_MVS (AMD_MANUFACT & FLASH_DATA_MASK)
-#define FUJ_MANUFACT_MVS (FUJ_MANUFACT & FLASH_DATA_MASK)
-#define STM_MANUFACT_MVS (STM_MANUFACT & FLASH_DATA_MASK)
-
-#if (FLASH_BUS_WIDTH >= 16)
- #define AUTOSELECT_ADDR1 0x0555
- #define AUTOSELECT_ADDR2 0x02AA
- #define AUTOSELECT_ADDR3 AUTOSELECT_ADDR1
-#else
- #define AUTOSELECT_ADDR1 0x0AAA
- #define AUTOSELECT_ADDR2 0x0555
- #define AUTOSELECT_ADDR3 AUTOSELECT_ADDR1
-#endif
-
-#define AUTOSELECT_DATA1 (0x00AA00AA & FLASH_DATA_MASK)
-#define AUTOSELECT_DATA2 (0x00550055 & FLASH_DATA_MASK)
-#define AUTOSELECT_DATA3 (0x00900090 & FLASH_DATA_MASK)
-
-#define RESET_BANK_DATA (0x00F000F0 & FLASH_DATA_MASK)
-
-
-static ulong flash_get_size (vu_long *address, flash_info_t *info)
-{
- short i;
- FDT value;
- FDT *addr = (FDT *)address;
-
- ulong base = (ulong)address;
- addr[AUTOSELECT_ADDR1] = AUTOSELECT_DATA1;
- addr[AUTOSELECT_ADDR2] = AUTOSELECT_DATA2;
- addr[AUTOSELECT_ADDR3] = AUTOSELECT_DATA3;
- __asm__ __volatile__("sync");
-
- udelay(180);
-
- value = addr[0]; /* manufacturer ID */
- switch (value) {
- case AMD_MANUFACT_MVS:
- info->flash_id = FLASH_MAN_AMD;
- break;
- case FUJ_MANUFACT_MVS:
- info->flash_id = FLASH_MAN_FUJ;
- break;
- case STM_MANUFACT_MVS:
- 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 */
- }
-#if (FLASH_BUS_WIDTH >= 16)
- value = addr[1]; /* device ID */
-#else
- value = addr[2]; /* device ID */
-#endif
-
- switch (value) {
- case AMD_ID_LV160T_MVS:
- info->flash_id += FLASH_AM160T;
- info->sector_count = 37;
- info->size = (0x00200000 << FLASH_SHIFT);
- break; /* => 2 or 4 MB */
-
- case AMD_ID_LV160B_MVS:
- info->flash_id += FLASH_AM160B;
- info->sector_count = 37;
- info->size = (0x00200000 << FLASH_SHIFT);
- break; /* => 2 or 4 MB */
-
- case AMD_ID_LV320T_MVS:
- info->flash_id += FLASH_AM320T;
- info->sector_count = 71;
- info->size = (0x00400000 << FLASH_SHIFT);
- break; /* => 4 or 8 MB */
-
- case AMD_ID_LV320B_MVS:
- info->flash_id += FLASH_AM320B;
- info->sector_count = 71;
- info->size = (0x00400000 << FLASH_SHIFT);
- break; /* => 4 or 8MB */
-
- case STM_ID_W320DT_MVS:
- info->flash_id += FLASH_STMW320DT;
- info->sector_count = 67;
- info->size = (0x00400000 << FLASH_SHIFT);
- break; /* => 4 or 8 MB */
-
- case STM_ID_W320DB_MVS:
- info->flash_id += FLASH_STMW320DB;
- info->sector_count = 67;
- info->size = (0x00400000 << FLASH_SHIFT);
- break; /* => 4 or 8MB */
-
- default:
- info->flash_id = FLASH_UNKNOWN;
- return (0); /* => no or unknown flash */
-
- }
-
- /* set up sector start address table */
- flash_get_offsets (base, info);
-
- /* check for protected sectors */
- for (i = 0; i < info->sector_count; i++) {
- /* read sector protection at sector address, (A7 .. A0) = 0x02 */
- /* D0 = 1 if protected */
- addr = (FDT *)(info->start[i]);
- info->protect[i] = addr[2] & 1;
- }
-
- /*
- * Prevent writes to uninitialized FLASH.
- */
- if (info->flash_id != FLASH_UNKNOWN) {
- addr = (FDT *)info->start[0];
- *addr = RESET_BANK_DATA; /* reset bank */
- }
- return (info->size);
-}
-
-
-/*-----------------------------------------------------------------------
- */
-
-#if (FLASH_BUS_WIDTH >= 16)
- #define ERASE_ADDR1 0x0555
- #define ERASE_ADDR2 0x02AA
-#else
- #define ERASE_ADDR1 0x0AAA
- #define ERASE_ADDR2 0x0555
-#endif
-
-#define ERASE_ADDR3 ERASE_ADDR1
-#define ERASE_ADDR4 ERASE_ADDR1
-#define ERASE_ADDR5 ERASE_ADDR2
-
-#define ERASE_DATA1 (0x00AA00AA & FLASH_DATA_MASK)
-#define ERASE_DATA2 (0x00550055 & FLASH_DATA_MASK)
-#define ERASE_DATA3 (0x00800080 & FLASH_DATA_MASK)
-#define ERASE_DATA4 ERASE_DATA1
-#define ERASE_DATA5 ERASE_DATA2
-
-#define ERASE_SECTOR_DATA (0x00300030 & FLASH_DATA_MASK)
-#define ERASE_CHIP_DATA (0x00100010 & FLASH_DATA_MASK)
-#define ERASE_CONFIRM_DATA (0x00800080 & FLASH_DATA_MASK)
-
-int flash_erase (flash_info_t *info, int s_first, int s_last)
-{
- FDT *addr = (FDT *)(info->start[0]);
-
- int prot, sect, l_sect, flag;
- ulong start, now, last;
-
- __asm__ __volatile__ ("sync");
- addr[0] = 0xf0;
- udelay(1000);
-
- printf("\nflash_erase: first = %d @ 0x%08lx\n", s_first, info->start[s_first] );
- printf(" last = %d @ 0x%08lx\n", s_last , info->start[s_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[ERASE_ADDR1] = ERASE_DATA1;
- addr[ERASE_ADDR2] = ERASE_DATA2;
- addr[ERASE_ADDR3] = ERASE_DATA3;
- addr[ERASE_ADDR4] = ERASE_DATA4;
- addr[ERASE_ADDR5] = ERASE_DATA5;
-
- for (sect = s_first; sect <= s_last; sect++) {
- if (info->protect[sect] == 0) {
- addr = (FDT *)(info->start[sect]);
- addr[0] = ERASE_SECTOR_DATA;
- l_sect = sect;
- }
- }
-
- if (flag)
- enable_interrupts();
-
- /*
- * We wait for the last triggered sector
- */
- if (l_sect < 0)
- goto DONE;
-
- start = get_timer (0);
- last = start;
- addr = (FDT *)(info->start[l_sect]);
-
- while ((addr[0] & ERASE_CONFIRM_DATA) != ERASE_CONFIRM_DATA) {
- 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:
- 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)
-{
-#define BUFF_INC 4
- ulong cp, wp, data;
- int i, l, rc;
-
- mvdebug (("+write_buff %p ==> 0x%08lx, count = 0x%08lx\n", src, addr, cnt));
-
- wp = (addr & ~3); /* get lower word aligned address */
- /*
- * handle unaligned start bytes
- */
- if ((l = addr - wp) != 0) {
- mvdebug ((" handle unaligned start bytes (cnt = 0x%08lx)\n", cnt));
- data = 0;
- for (i=0, cp=wp; i<l; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
- for (; i<BUFF_INC && cnt>0; ++i) {
- data = (data << 8) | *src++;
- --cnt;
- ++cp;
- }
- for (; cnt==0 && i<BUFF_INC; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
-
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
- }
- wp += BUFF_INC;
- }
-
- /*
- * handle (half)word aligned part
- */
- mvdebug ((" handle word aligned part (cnt = 0x%08lx)\n", cnt));
- while (cnt >= BUFF_INC) {
- data = 0;
- for (i=0; i<BUFF_INC; ++i) {
- data = (data << 8) | *src++;
- }
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
- }
- wp += BUFF_INC;
- cnt -= BUFF_INC;
- }
-
- if (cnt == 0) {
- return (0);
- }
-
- /*
- * handle unaligned tail bytes
- */
- mvdebug ((" handle unaligned tail bytes (cnt = 0x%08lx)\n", cnt));
- data = 0;
- for (i=0, cp=wp; i<BUFF_INC && cnt>0; ++i, ++cp) {
- data = (data << 8) | *src++;
- --cnt;
- }
- for (; i<BUFF_INC; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
-
- return (write_word(info, wp, data));
-}
-
-#if (FLASH_BUS_WIDTH >= 16)
- #define WRITE_ADDR1 0x0555
- #define WRITE_ADDR2 0x02AA
-#else
- #define WRITE_ADDR1 0x0AAA
- #define WRITE_ADDR2 0x0555
- #define WRITE_ADDR3 WRITE_ADDR1
-#endif
-
-#define WRITE_DATA1 (0x00AA00AA & FLASH_DATA_MASK)
-#define WRITE_DATA2 (0x00550055 & FLASH_DATA_MASK)
-#define WRITE_DATA3 (0x00A000A0 & FLASH_DATA_MASK)
-
-#define WRITE_CONFIRM_DATA ERASE_CONFIRM_DATA
-
-/*-----------------------------------------------------------------------
- * Write a byte to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_char (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) {
- printf(" *** ERROR: Flash not erased !\n");
- return (2);
- }
- flag = disable_interrupts();
-
- addr[WRITE_ADDR1] = WRITE_DATA1;
- addr[WRITE_ADDR2] = WRITE_DATA2;
- addr[WRITE_ADDR3] = WRITE_DATA3;
- *((vu_char *)dest) = data;
-
- if (flag)
- enable_interrupts();
-
- /* data polling for D7 */
- start = get_timer (0);
- addr = (vu_char *)dest;
- while (( (*addr) & WRITE_CONFIRM_DATA) != (data & WRITE_CONFIRM_DATA)) {
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- printf(" *** ERROR: Flash write timeout !");
- return (1);
- }
- }
- mvdebug (("-write_byte\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)
-{
- int i,
- result = 0;
-
- mvdebug (("+write_word : 0x%08lx @ 0x%08lx\n", data, dest));
- for ( i=0; (i < 4) && (result == 0); i++, dest+=1 )
- result = write_char (info, dest, (data >> (8*(3-i))) & 0xff );
- mvdebug (("-write_word\n"));
- return result;
-}
-/*---------------------------------------------------------------- */
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