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author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-12-17 16:53:07 +0100 |
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committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-12-17 16:53:07 +0100 |
commit | cb5473205206c7f14cbb1e747f28ec75b48826e2 (patch) | |
tree | 8f4808d60917100b18a10b05230f7638a0a9bbcc /board/tqc/tqm8260/flash.c | |
parent | baf449fc5ff96f071bb0e3789fd3265f6d4fd9a0 (diff) | |
parent | 92c78a3bbcb2ce508b4bf1c4a1e0940406a024bb (diff) | |
download | u-boot-imx-cb5473205206c7f14cbb1e747f28ec75b48826e2.zip u-boot-imx-cb5473205206c7f14cbb1e747f28ec75b48826e2.tar.gz u-boot-imx-cb5473205206c7f14cbb1e747f28ec75b48826e2.tar.bz2 |
Merge branch 'fixes' into cleanups
Conflicts:
board/atmel/atngw100/atngw100.c
board/atmel/atstk1000/atstk1000.c
cpu/at32ap/at32ap700x/gpio.c
include/asm-avr32/arch-at32ap700x/clk.h
include/configs/atngw100.h
include/configs/atstk1002.h
include/configs/atstk1003.h
include/configs/atstk1004.h
include/configs/atstk1006.h
include/configs/favr-32-ezkit.h
include/configs/hammerhead.h
include/configs/mimc200.h
Diffstat (limited to 'board/tqc/tqm8260/flash.c')
-rw-r--r-- | board/tqc/tqm8260/flash.c | 488 |
1 files changed, 0 insertions, 488 deletions
diff --git a/board/tqc/tqm8260/flash.c b/board/tqc/tqm8260/flash.c deleted file mode 100644 index 056fe81..0000000 --- a/board/tqc/tqm8260/flash.c +++ /dev/null @@ -1,488 +0,0 @@ -/* - * (C) Copyright 2001, 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Flash Routines for AMD devices on the TQM8260 board - * - *-------------------------------------------------------------------- - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <mpc8xx.h> - -#define V_ULONG(a) (*(volatile unsigned long *)( a )) -#define V_BYTE(a) (*(volatile unsigned char *)( a )) - - -flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; - - -/*----------------------------------------------------------------------- - */ -void flash_reset (void) -{ - if (flash_info[0].flash_id != FLASH_UNKNOWN) { - V_ULONG (flash_info[0].start[0]) = 0x00F000F0; - V_ULONG (flash_info[0].start[0] + 4) = 0x00F000F0; - } -} - -/*----------------------------------------------------------------------- - */ -ulong flash_get_size (ulong baseaddr, flash_info_t * info) -{ - short i; - unsigned long flashtest_h, flashtest_l; - - /* Write auto select command sequence and test FLASH answer */ - V_ULONG (baseaddr + ((ulong) 0x0555 << 3)) = 0x00AA00AA; - V_ULONG (baseaddr + ((ulong) 0x02AA << 3)) = 0x00550055; - V_ULONG (baseaddr + ((ulong) 0x0555 << 3)) = 0x00900090; - V_ULONG (baseaddr + 4 + ((ulong) 0x0555 << 3)) = 0x00AA00AA; - V_ULONG (baseaddr + 4 + ((ulong) 0x02AA << 3)) = 0x00550055; - V_ULONG (baseaddr + 4 + ((ulong) 0x0555 << 3)) = 0x00900090; - - flashtest_h = V_ULONG (baseaddr); /* manufacturer ID */ - flashtest_l = V_ULONG (baseaddr + 4); - - switch ((int) flashtest_h) { - case AMD_MANUFACT: - info->flash_id = FLASH_MAN_AMD; - break; - case FUJ_MANUFACT: - info->flash_id = FLASH_MAN_FUJ; - break; - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - return (0); /* no or unknown flash */ - } - - flashtest_h = V_ULONG (baseaddr + 8); /* device ID */ - flashtest_l = V_ULONG (baseaddr + 12); - if (flashtest_h != flashtest_l) { - info->flash_id = FLASH_UNKNOWN; - } else { - switch (flashtest_h) { - case AMD_ID_LV800T: - info->flash_id += FLASH_AM800T; - info->sector_count = 19; - info->size = 0x00400000; - break; /* 4 * 1 MB = 4 MB */ - case AMD_ID_LV800B: - info->flash_id += FLASH_AM800B; - info->sector_count = 19; - info->size = 0x00400000; - break; /* 4 * 1 MB = 4 MB */ - case AMD_ID_LV160T: - info->flash_id += FLASH_AM160T; - info->sector_count = 35; - info->size = 0x00800000; - break; /* 4 * 2 MB = 8 MB */ - case AMD_ID_LV160B: - info->flash_id += FLASH_AM160B; - info->sector_count = 35; - info->size = 0x00800000; - break; /* 4 * 2 MB = 8 MB */ - case AMD_ID_DL322T: - info->flash_id += FLASH_AMDL322T; - info->sector_count = 71; - info->size = 0x01000000; - break; /* 4 * 4 MB = 16 MB */ - case AMD_ID_DL322B: - info->flash_id += FLASH_AMDL322B; - info->sector_count = 71; - info->size = 0x01000000; - break; /* 4 * 4 MB = 16 MB */ - case AMD_ID_DL323T: - info->flash_id += FLASH_AMDL323T; - info->sector_count = 71; - info->size = 0x01000000; - break; /* 4 * 4 MB = 16 MB */ - case AMD_ID_DL323B: - info->flash_id += FLASH_AMDL323B; - info->sector_count = 71; - info->size = 0x01000000; - break; /* 4 * 4 MB = 16 MB */ - case AMD_ID_LV640U: - info->flash_id += FLASH_AM640U; - info->sector_count = 128; - info->size = 0x02000000; - break; /* 4 * 8 MB = 32 MB */ - default: - info->flash_id = FLASH_UNKNOWN; - return (0); /* no or unknown flash */ - } - } - - if (flashtest_h == AMD_ID_LV640U) { - - /* set up sector start adress table (uniform sector type) */ - for (i = 0; i < info->sector_count; i++) - info->start[i] = baseaddr + (i * 0x00040000); - - } else if (info->flash_id & FLASH_BTYPE) { - - /* set up sector start adress table (bottom sector type) */ - info->start[0] = baseaddr + 0x00000000; - info->start[1] = baseaddr + 0x00010000; - info->start[2] = baseaddr + 0x00018000; - info->start[3] = baseaddr + 0x00020000; - for (i = 4; i < info->sector_count; i++) { - info->start[i] = baseaddr + (i * 0x00040000) - 0x000C0000; - } - - } else { - - /* set up sector start adress table (top sector type) */ - i = info->sector_count - 1; - info->start[i--] = baseaddr + info->size - 0x00010000; - info->start[i--] = baseaddr + info->size - 0x00018000; - info->start[i--] = baseaddr + info->size - 0x00020000; - for (; i >= 0; i--) { - info->start[i] = baseaddr + i * 0x00040000; - } - } - - /* check for protected sectors */ - for (i = 0; i < info->sector_count; i++) { - /* read sector protection at sector address, (A7 .. A0) = 0x02 */ - if ((V_ULONG (info->start[i] + 16) & 0x00010001) || - (V_ULONG (info->start[i] + 20) & 0x00010001)) { - info->protect[i] = 1; /* D0 = 1 if protected */ - } else { - info->protect[i] = 0; - } - } - - flash_reset (); - return (info->size); -} - -/*----------------------------------------------------------------------- - */ -unsigned long flash_init (void) -{ - unsigned long size_b0 = 0; - int i; - - /* Init: no FLASHes known */ - for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; - } - - /* Static FLASH Bank configuration here (only one bank) */ - - size_b0 = flash_get_size (CFG_FLASH0_BASE, &flash_info[0]); - if (flash_info[0].flash_id == FLASH_UNKNOWN || size_b0 == 0) { - printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", - size_b0, size_b0 >> 20); - } - - /* - * protect monitor and environment sectors - */ - -#if CFG_MONITOR_BASE >= CFG_FLASH0_BASE - flash_protect (FLAG_PROTECT_SET, - CFG_MONITOR_BASE, - CFG_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]); -#endif - -#if (CFG_ENV_IS_IN_FLASH == 1) && defined(CFG_ENV_ADDR) -# ifndef CFG_ENV_SIZE -# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE -# endif - flash_protect (FLAG_PROTECT_SET, - CFG_ENV_ADDR, - CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]); -#endif - - return (size_b0); -} - -/*----------------------------------------------------------------------- - */ -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; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_AM800T: - printf ("29LV800T (8 M, top sector)\n"); - break; - case FLASH_AM800B: - printf ("29LV800T (8 M, bottom sector)\n"); - break; - case FLASH_AM160T: - printf ("29LV160T (16 M, top sector)\n"); - break; - case FLASH_AM160B: - printf ("29LV160B (16 M, bottom sector)\n"); - break; - case FLASH_AMDL322T: - printf ("29DL322T (32 M, top sector)\n"); - break; - case FLASH_AMDL322B: - printf ("29DL322B (32 M, bottom sector)\n"); - break; - case FLASH_AMDL323T: - printf ("29DL323T (32 M, top sector)\n"); - break; - case FLASH_AMDL323B: - printf ("29DL323B (32 M, bottom sector)\n"); - break; - case FLASH_AM640U: - printf ("29LV640D (64 M, uniform 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"); - return; -} - -/*----------------------------------------------------------------------- - */ -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ - 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; - } - - 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 (); - - V_ULONG (info->start[0] + (0x0555 << 3)) = 0x00AA00AA; - V_ULONG (info->start[0] + (0x02AA << 3)) = 0x00550055; - V_ULONG (info->start[0] + (0x0555 << 3)) = 0x00800080; - V_ULONG (info->start[0] + (0x0555 << 3)) = 0x00AA00AA; - V_ULONG (info->start[0] + (0x02AA << 3)) = 0x00550055; - V_ULONG (info->start[0] + 4 + (0x0555 << 3)) = 0x00AA00AA; - V_ULONG (info->start[0] + 4 + (0x02AA << 3)) = 0x00550055; - V_ULONG (info->start[0] + 4 + (0x0555 << 3)) = 0x00800080; - V_ULONG (info->start[0] + 4 + (0x0555 << 3)) = 0x00AA00AA; - V_ULONG (info->start[0] + 4 + (0x02AA << 3)) = 0x00550055; - udelay (1000); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - V_ULONG (info->start[sect]) = 0x00300030; - V_ULONG (info->start[sect] + 4) = 0x00300030; - 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; - while ((V_ULONG (info->start[l_sect]) & 0x00800080) != 0x00800080 || - (V_ULONG (info->start[l_sect] + 4) & 0x00800080) != 0x00800080) - { - if ((now = get_timer (start)) > CFG_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - return 1; - } - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - serial_putc ('.'); - last = now; - } - } - - DONE: - /* reset to read mode */ - flash_reset (); - - printf (" done\n"); - return 0; -} - -static int write_dword (flash_info_t *, ulong, unsigned char *); - -/*----------------------------------------------------------------------- - * 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 dp; - static unsigned char bb[8]; - int i, l, rc, cc = cnt; - - dp = (addr & ~7); /* get lower dword aligned address */ - - /* - * handle unaligned start bytes - */ - if ((l = addr - dp) != 0) { - for (i = 0; i < 8; i++) - bb[i] = (i < l || (i - l) >= cc) ? V_BYTE (dp + i) : *src++; - if ((rc = write_dword (info, dp, bb)) != 0) { - return (rc); - } - dp += 8; - cc -= 8 - l; - } - - /* - * handle word aligned part - */ - while (cc >= 8) { - if ((rc = write_dword (info, dp, src)) != 0) { - return (rc); - } - dp += 8; - src += 8; - cc -= 8; - } - - if (cc <= 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - for (i = 0; i < 8; i++) { - bb[i] = (i < cc) ? *src++ : V_BYTE (dp + i); - } - return (write_dword (info, dp, bb)); -} - -/*----------------------------------------------------------------------- - * Write a dword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_dword (flash_info_t * info, ulong dest, unsigned char *pdata) -{ - ulong start, cl, ch; - int flag, i; - - for (ch = 0, i = 0; i < 4; i++) - ch = (ch << 8) + *pdata++; /* high word */ - for (cl = 0, i = 0; i < 4; i++) - cl = (cl << 8) + *pdata++; /* low word */ - - /* Check if Flash is (sufficiently) erased */ - if ((*((vu_long *) dest) & ch) != ch - || (*((vu_long *) (dest + 4)) & cl) != cl) { - return (2); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - V_ULONG (info->start[0] + (0x0555 << 3)) = 0x00AA00AA; - V_ULONG (info->start[0] + (0x02AA << 3)) = 0x00550055; - V_ULONG (info->start[0] + (0x0555 << 3)) = 0x00A000A0; - V_ULONG (dest) = ch; - V_ULONG (info->start[0] + 4 + (0x0555 << 3)) = 0x00AA00AA; - V_ULONG (info->start[0] + 4 + (0x02AA << 3)) = 0x00550055; - V_ULONG (info->start[0] + 4 + (0x0555 << 3)) = 0x00A000A0; - V_ULONG (dest + 4) = cl; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts (); - - /* data polling for D7 */ - start = get_timer (0); - while (((V_ULONG (dest) & 0x00800080) != (ch & 0x00800080)) || - ((V_ULONG (dest + 4) & 0x00800080) != (cl & 0x00800080))) { - if (get_timer (start) > CFG_FLASH_WRITE_TOUT) { - return (1); - } - } - return (0); -} |