diff options
author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2014-12-15 23:26:15 +0900 |
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committer | Tom Rini <trini@ti.com> | 2015-01-05 12:08:52 -0500 |
commit | ca620cd149f616950a647ea1e7c428d5e2df3efa (patch) | |
tree | 3279805db256085f66437e7b54bb1cfcf7778b8f /board/ivm/flash.c | |
parent | acc2372db020b9415142e93a1c30f57c1d3aa5c2 (diff) |
mpc8xx: remove IVMS8, IVML24 board support
This board is still a non-generic board.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'board/ivm/flash.c')
-rw-r--r-- | board/ivm/flash.c | 582 |
1 files changed, 0 insertions, 582 deletions
diff --git a/board/ivm/flash.c b/board/ivm/flash.c deleted file mode 100644 index 14d3aee8215..00000000000 --- a/board/ivm/flash.c +++ /dev/null @@ -1,582 +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 - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (vu_long *addr, flash_info_t *info); -static int write_data (flash_info_t *info, ulong dest, ulong 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_b0; - 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 - FIXME XXX */ - - size_b0 = 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: " - "ID 0x%lx, Size = 0x%08lx = %ld MB\n", - flash_info[0].flash_id, - size_b0, size_b0<<20); - } - - /* Remap FLASH according to real size */ - memctl->memc_or0 = CONFIG_SYS_OR_TIMING_FLASH | (-size_b0 & 0xFFFF8000); - memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | \ - BR_MS_GPCM | BR_PS_16 | BR_V; - - /* Re-do sizing to get full correct info */ - size_b0 = flash_get_size((vu_long *)CONFIG_SYS_FLASH_BASE, &flash_info[0]); - - flash_get_offsets (CONFIG_SYS_FLASH_BASE, &flash_info[0]); - - flash_info[0].size = size_b0; - -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE - /* monitor protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, - &flash_info[0]); -#endif - -#ifdef CONFIG_ENV_IS_IN_FLASH - /* ENV protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR+CONFIG_ENV_SECT_SIZE-1, - &flash_info[0]); -#endif - - return (size_b0); -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t *info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_MT: - 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-3) * 0x00020000); - } - } 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 * 0x00020000; - } - } - return; - - case FLASH_MAN_SST: - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base + (i * 0x00002000); - } - return; - - case FLASH_MAN_AMD: - case FLASH_MAN_FUJ: - - /* 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; - } - } - return; - default: - printf ("Don't know sector ofsets for flash type 0x%lx\n", - info->flash_id); - return; - } -} - -/*----------------------------------------------------------------------- - */ -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_SST: printf ("SST "); break; - case FLASH_MAN_STM: printf ("STM "); break; - case FLASH_MAN_MT: printf ("MT "); break; - case FLASH_MAN_INTEL: printf ("Intel "); break; - default: printf ("Unknown Vendor "); break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - 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; - case FLASH_SST200A: printf ("39xF200A (2M = 128K x 16)\n"); - break; - case FLASH_SST400A: printf ("39xF400A (4M = 256K x 16)\n"); - break; - case FLASH_SST800A: printf ("39xF800A (8M = 512K x 16)\n"); - break; - case FLASH_STM800AB: printf ("M29W800AB (8M = 512K x 16)\n"); - break; - case FLASH_28F008S5: printf ("28F008S5 (1M = 64K x 16)\n"); - break; - case FLASH_28F400_T: printf ("28F400B3 (4Mbit, top boot sector)\n"); - break; - case FLASH_28F400_B: printf ("28F400B3 (4Mbit, bottom boot sector)\n"); - break; - default: printf ("Unknown Chip Type\n"); - break; - } - - if (info->size >= (1 << 20)) { - i = 20; - } else { - i = 10; - } - printf (" Size: %ld %cB in %d Sectors\n", - info->size >> i, - (i == 20) ? 'M' : 'k', - 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"); - return; -} - -/*----------------------------------------------------------------------- - */ - - -/*----------------------------------------------------------------------- - */ - -/* - * The following code cannot be run from FLASH! - */ - -static ulong flash_get_size (vu_long *addr, flash_info_t *info) -{ - ushort value; - vu_short *saddr = (vu_short *)addr; - - /* Read Manufacturer ID */ - saddr[0] = 0x0090; - value = saddr[0]; - - switch (value) { - case (AMD_MANUFACT & 0xFFFF): - info->flash_id = FLASH_MAN_AMD; - break; - case (FUJ_MANUFACT & 0xFFFF): - info->flash_id = FLASH_MAN_FUJ; - break; - case (SST_MANUFACT & 0xFFFF): - info->flash_id = FLASH_MAN_SST; - break; - case (STM_MANUFACT & 0xFFFF): - info->flash_id = FLASH_MAN_STM; - break; - case (MT_MANUFACT & 0xFFFF): - info->flash_id = FLASH_MAN_MT; - break; - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - saddr[0] = 0x00FF; /* restore read mode */ - return (0); /* no or unknown flash */ - } - - value = saddr[1]; /* device ID */ - - switch (value) { - case (AMD_ID_LV400T & 0xFFFF): - info->flash_id += FLASH_AM400T; - info->sector_count = 11; - info->size = 0x00100000; - break; /* => 1 MB */ - - case (AMD_ID_LV400B & 0xFFFF): - info->flash_id += FLASH_AM400B; - info->sector_count = 11; - info->size = 0x00100000; - break; /* => 1 MB */ - - case (AMD_ID_LV800T & 0xFFFF): - info->flash_id += FLASH_AM800T; - info->sector_count = 19; - info->size = 0x00200000; - break; /* => 2 MB */ - - case (AMD_ID_LV800B & 0xFFFF): - info->flash_id += FLASH_AM800B; - info->sector_count = 19; - info->size = 0x00200000; - break; /* => 2 MB */ - - case (AMD_ID_LV160T & 0xFFFF): - info->flash_id += FLASH_AM160T; - info->sector_count = 35; - info->size = 0x00400000; - break; /* => 4 MB */ - - case (AMD_ID_LV160B & 0xFFFF): - info->flash_id += FLASH_AM160B; - info->sector_count = 35; - info->size = 0x00400000; - break; /* => 4 MB */ -#if 0 /* enable when device IDs are available */ - case (AMD_ID_LV320T & 0xFFFF): - info->flash_id += FLASH_AM320T; - info->sector_count = 67; - info->size = 0x00800000; - break; /* => 8 MB */ - - case (AMD_ID_LV320B & 0xFFFF): - info->flash_id += FLASH_AM320B; - info->sector_count = 67; - info->size = 0x00800000; - break; /* => 8 MB */ -#endif - case (SST_ID_xF200A & 0xFFFF): - info->flash_id += FLASH_SST200A; - info->sector_count = 64; /* 39xF200A ID ( 2M = 128K x 16 ) */ - info->size = 0x00080000; - break; - case (SST_ID_xF400A & 0xFFFF): - info->flash_id += FLASH_SST400A; - info->sector_count = 128; /* 39xF400A ID ( 4M = 256K x 16 ) */ - info->size = 0x00100000; - break; - case (SST_ID_xF800A & 0xFFFF): - info->flash_id += FLASH_SST800A; - info->sector_count = 256; /* 39xF800A ID ( 8M = 512K x 16 ) */ - info->size = 0x00200000; - break; /* => 2 MB */ - case (STM_ID_x800AB & 0xFFFF): - info->flash_id += FLASH_STM800AB; - info->sector_count = 19; - info->size = 0x00200000; - break; /* => 2 MB */ - case (MT_ID_28F400_T & 0xFFFF): - info->flash_id += FLASH_28F400_T; - info->sector_count = 7; - info->size = 0x00080000; - break; /* => 512 kB */ - case (MT_ID_28F400_B & 0xFFFF): - info->flash_id += FLASH_28F400_B; - info->sector_count = 7; - info->size = 0x00080000; - break; /* => 512 kB */ - default: - info->flash_id = FLASH_UNKNOWN; - saddr[0] = 0x00FF; /* restore read mode */ - return (0); /* => no or unknown flash */ - - } - - if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { - printf ("** ERROR: sector count %d > max (%d) **\n", - info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); - info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; - } - - saddr[0] = 0x00FF; /* restore read mode */ - - return (info->size); -} - - -/*----------------------------------------------------------------------- - */ - -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; - } - - if ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_MT) { - printf ("Can erase only MT flash types - aborted\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 = get_timer (0); - last = start; - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - vu_short *addr = (vu_short *)(info->start[sect]); - unsigned short status; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - *addr = 0x0050; /* clear status register */ - *addr = 0x0020; /* erase setup */ - *addr = 0x00D0; /* erase confirm */ - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* wait at least 80us - let's wait 1 ms */ - udelay (1000); - - while (((status = *addr) & 0x0080) != 0x0080) { - if ((now=get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - *addr = 0x00FF; /* reset to read mode */ - return 1; - } - - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - putc ('.'); - last = now; - } - } - - *addr = 0x00FF; /* reset to read mode */ - } - } - printf (" done\n"); - return 0; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ - -#define FLASH_WIDTH 2 /* flash bus width in bytes */ - -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp, data; - int i, l, rc; - - if (info->flash_id == FLASH_UNKNOWN) { - return 4; - } - - wp = (addr & ~(FLASH_WIDTH-1)); /* get lower FLASH_WIDTH 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<FLASH_WIDTH && cnt>0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt==0 && i<FLASH_WIDTH; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - if ((rc = write_data(info, wp, data)) != 0) { - return (rc); - } - wp += FLASH_WIDTH; - } - - /* - * handle FLASH_WIDTH aligned part - */ - while (cnt >= FLASH_WIDTH) { - data = 0; - for (i=0; i<FLASH_WIDTH; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_data(info, wp, data)) != 0) { - return (rc); - } - wp += FLASH_WIDTH; - cnt -= FLASH_WIDTH; - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i=0, cp=wp; i<FLASH_WIDTH && cnt>0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i<FLASH_WIDTH; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - return (write_data(info, wp, data)); -} - -/*----------------------------------------------------------------------- - * Write a word to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t *info, ulong dest, ulong data) -{ - vu_short *addr = (vu_short *)dest; - ushort sdata = (ushort)data; - ushort status; - ulong start; - int flag; - - /* Check if Flash is (sufficiently) erased */ - if ((*addr & sdata) != sdata) { - return (2); - } - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - *addr = 0x0040; /* write setup */ - *addr = sdata; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - start = get_timer (0); - - while (((status = *addr) & 0x0080) != 0x0080) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - *addr = 0x00FF; /* restore read mode */ - return (1); - } - } - - *addr = 0x00FF; /* restore read mode */ - - return (0); -} - -/*----------------------------------------------------------------------- - */ |