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-rw-r--r--board/fads/flash.c544
1 files changed, 0 insertions, 544 deletions
diff --git a/board/fads/flash.c b/board/fads/flash.c
deleted file mode 100644
index ea2f713ca6..0000000000
--- a/board/fads/flash.c
+++ /dev/null
@@ -1,544 +0,0 @@
-/*
- * (C) Copyright 2000
- * 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 */
-
-#if defined(CONFIG_ENV_IS_IN_FLASH)
-# ifndef CONFIG_ENV_ADDR
-# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
-# endif
-# ifndef CONFIG_ENV_SIZE
-# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
-# endif
-# ifndef CONFIG_ENV_SECT_SIZE
-# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE
-# endif
-#endif
-
-#define QUAD_ID(id) ((((ulong)(id) & 0xFF) << 24) | \
- (((ulong)(id) & 0xFF) << 16) | \
- (((ulong)(id) & 0xFF) << 8) | \
- (((ulong)(id) & 0xFF) << 0) \
- )
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-static ulong flash_get_size (vu_long * addr, flash_info_t * info);
-static int write_word (flash_info_t * info, ulong dest, ulong data);
-
-/*-----------------------------------------------------------------------
- */
-unsigned long flash_init (void)
-{
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
- vu_long *bcsr = (vu_long *)BCSR_ADDR;
- unsigned long pd_size, total_size, bsize, or_am;
- int i;
-
- /* Init: no FLASHes known */
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
- flash_info[i].flash_id = FLASH_UNKNOWN;
- flash_info[i].size = 0;
- flash_info[i].sector_count = 0;
- flash_info[i].start[0] = 0xFFFFFFFF; /* For TFTP */
- }
-
- switch ((bcsr[2] & BCSR2_FLASH_PD_MASK) >> BCSR2_FLASH_PD_SHIFT) {
- case 2:
- case 4:
- case 6:
- pd_size = 0x800000;
- or_am = 0xFF800000;
- break;
-
- case 5:
- case 7:
- pd_size = 0x400000;
- or_am = 0xFFC00000;
- break;
-
- case 8:
- pd_size = 0x200000;
- or_am = 0xFFE00000;
- break;
-
- default:
- pd_size = 0;
- or_am = 0xFFE00000;
- printf("## Unsupported flash detected by BCSR: 0x%08lX\n", bcsr[2]);
- }
-
- total_size = 0;
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS && total_size < pd_size; ++i) {
- bsize = flash_get_size((vu_long *)(CONFIG_SYS_FLASH_BASE + total_size),
- &flash_info[i]);
-
- if (flash_info[i].flash_id == FLASH_UNKNOWN) {
- printf ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",
- i, bsize, bsize >> 20);
- }
-
- total_size += bsize;
- }
-
- if (total_size != pd_size) {
- printf("## Detected flash size %lu conflicts with PD data %lu\n",
- total_size, pd_size);
- }
-
- /* Remap FLASH according to real size */
- memctl->memc_or0 = or_am | CONFIG_SYS_OR_TIMING_FLASH;
-
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS && flash_info[i].size != 0; ++i) {
-#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
- /* monitor protection ON by default */
- if (CONFIG_SYS_MONITOR_BASE >= flash_info[i].start[0])
- flash_protect (FLAG_PROTECT_SET,
- CONFIG_SYS_MONITOR_BASE,
- CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
- &flash_info[i]);
-#endif
-
-#ifdef CONFIG_ENV_IS_IN_FLASH
- /* ENV protection ON by default */
- if (CONFIG_ENV_ADDR >= flash_info[i].start[0])
- flash_protect (FLAG_PROTECT_SET,
- CONFIG_ENV_ADDR,
- CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1,
- &flash_info[i]);
-#endif
- }
-
- return total_size;
-}
-
-/*-----------------------------------------------------------------------
- */
-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_BM:
- printf ("BRIGHT MICRO ");
- break;
- default:
- printf ("Unknown Vendor ");
- break;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK) {
- case FLASH_AM040:
- printf ("29F040 or 29LV040 (4 Mbit, uniform sectors)\n");
- break;
- case FLASH_AM080:
- printf ("29F080 or 29LV080 (8 Mbit, uniform sectors)\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 can not run from flash!
- */
-static ulong flash_get_size (vu_long * addr, flash_info_t * info)
-{
- short i;
-
- /* Write auto select command: read Manufacturer ID */
- addr[0x0555] = 0xAAAAAAAA;
- addr[0x02AA] = 0x55555555;
- addr[0x0555] = 0x90909090;
-
- switch (addr[0]) {
- case QUAD_ID(AMD_MANUFACT):
- info->flash_id = FLASH_MAN_AMD;
- break;
-
- case QUAD_ID(FUJ_MANUFACT):
- info->flash_id = FLASH_MAN_FUJ;
- break;
-
- default:
- info->flash_id = FLASH_UNKNOWN;
- info->sector_count = 0;
- info->size = 0;
- break;
- }
-
- switch (addr[1]) { /* device ID */
- case QUAD_ID(AMD_ID_F040B):
- case QUAD_ID(AMD_ID_LV040B):
- info->flash_id += FLASH_AM040;
- info->sector_count = 8;
- info->size = 0x00200000;
- break; /* => 2 MB */
-
- case QUAD_ID(AMD_ID_F080B):
- info->flash_id += FLASH_AM080;
- info->sector_count = 16;
- info->size = 0x00400000;
- break; /* => 4 MB */
-#if 0
- case AMD_ID_LV400T:
- info->flash_id += FLASH_AM400T;
- info->sector_count = 11;
- info->size = 0x00100000;
- break; /* => 1 MB */
-
- case AMD_ID_LV400B:
- info->flash_id += FLASH_AM400B;
- info->sector_count = 11;
- info->size = 0x00100000;
- break; /* => 1 MB */
-
- case AMD_ID_LV800T:
- info->flash_id += FLASH_AM800T;
- info->sector_count = 19;
- info->size = 0x00200000;
- break; /* => 2 MB */
-
- case AMD_ID_LV800B:
- info->flash_id += FLASH_AM800B;
- info->sector_count = 19;
- info->size = 0x00200000;
- break; /* => 2 MB */
-
- case AMD_ID_LV160T:
- info->flash_id += FLASH_AM160T;
- info->sector_count = 35;
- info->size = 0x00400000;
- break; /* => 4 MB */
-
- case AMD_ID_LV160B:
- info->flash_id += FLASH_AM160B;
- info->sector_count = 35;
- info->size = 0x00400000;
- break; /* => 4 MB */
-
- case AMD_ID_LV320T:
- info->flash_id += FLASH_AM320T;
- info->sector_count = 67;
- info->size = 0x00800000;
- break; /* => 8 MB */
-
- case AMD_ID_LV320B:
- info->flash_id += FLASH_AM320B;
- info->sector_count = 67;
- info->size = 0x00800000;
- break; /* => 8 MB */
-#endif /* 0 */
- default:
- info->flash_id = FLASH_UNKNOWN;
- return (0); /* => no or unknown flash */
- }
-
-#if 0
- /* set up sector start address table */
- if (info->flash_id & FLASH_BTYPE) {
- /* set sector offsets for bottom boot block type */
- info->start[0] = base + 0x00000000;
- info->start[1] = base + 0x00008000;
- info->start[2] = base + 0x0000C000;
- info->start[3] = base + 0x00010000;
- for (i = 4; i < info->sector_count; i++) {
- info->start[i] = base + (i * 0x00020000) - 0x00060000;
- }
- } else {
- /* set sector offsets for top boot block type */
- i = info->sector_count - 1;
- info->start[i--] = base + info->size - 0x00008000;
- info->start[i--] = base + info->size - 0x0000C000;
- info->start[i--] = base + info->size - 0x00010000;
- for (; i >= 0; i--) {
- info->start[i] = base + i * 0x00020000;
- }
- }
-#else
- /* set sector offsets for uniform sector type */
- for (i = 0; i < info->sector_count; i++)
- info->start[i] = (ulong)addr + (i * 0x00040000);
-#endif
-
- /* 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 = (volatile unsigned long *) (info->start[i]);
- info->protect[i] = addr[2] & 1;
- }
-
- if (info->flash_id != FLASH_UNKNOWN) {
- addr = (volatile unsigned long *) info->start[0];
- *addr = 0xF0F0F0F0; /* reset bank */
- }
-
- return (info->size);
-}
-
-/*-----------------------------------------------------------------------
- */
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
- vu_long *addr = (vu_long *) (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 ERR_INVAL;
- }
-
- if ((info->flash_id == FLASH_UNKNOWN) ||
- (info->flash_id > FLASH_AMD_COMP)) {
- printf ("Can't erase unknown flash type - aborted\n");
- return ERR_UNKNOWN_FLASH_TYPE;
- }
-
- 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] = 0xAAAAAAAA;
- addr[0x02AA] = 0x55555555;
- addr[0x0555] = 0x80808080;
- addr[0x0555] = 0xAAAAAAAA;
- addr[0x02AA] = 0x55555555;
-
- /* Start erase on unprotected sectors */
- for (sect = s_first; sect <= s_last; sect++) {
- if (info->protect[sect] == 0) { /* not protected */
- addr = (vu_long *) (info->start[sect]);
- addr[0] = 0x30303030;
- 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_long *) (info->start[l_sect]);
- while ((addr[0] & 0xFFFFFFFF) != 0xFFFFFFFF)
- {
- if ((now = get_timer (start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
- printf ("Timeout\n");
- return ERR_TIMOUT;
- }
- /* show that we're waiting */
- if ((now - last) > 1000) { /* every second */
- putc ('.');
- last = now;
- }
- }
-
- DONE:
- /* reset to read mode */
- addr = (volatile unsigned long *) info->start[0];
- addr[0] = 0xF0F0F0F0; /* 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)
-{
- vu_long *addr = (vu_long *) (info->start[0]);
- ulong start;
- int flag;
-
- /* Check if Flash is (sufficiently) erased */
- if ((*((vu_long *) dest) & data) != data) {
- return ERR_NOT_ERASED;
- }
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts ();
-
- addr[0x0555] = 0xAAAAAAAA;
- addr[0x02AA] = 0x55555555;
- addr[0x0555] = 0xA0A0A0A0;
-
- *((vu_long *) dest) = data;
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts ();
-
- /* data polling for D7 */
- start = get_timer (0);
- while ((*((vu_long *) dest) & 0x80808080) != (data & 0x80808080))
- {
- if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- return ERR_TIMOUT;
- }
- }
- return (0);
-}