Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Chin Liang See <clsee@altera.com> Cc: Dinh Nguyen <dinguyen@altera.com> Cc: Scott McNutt <smcnutt@psyent.com>master
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33a1ea2c8f
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652fe4044c
@ -1,174 +0,0 @@ |
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/*
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* (C) Copyright 2000-2004 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include <common.h> |
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#if defined(CONFIG_NIOS) |
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#include <nios.h> |
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#else |
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#include <asm/io.h> |
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#endif |
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#define SECTSZ (64 * 1024) |
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flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; |
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/*----------------------------------------------------------------------*/ |
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unsigned long flash_init (void) |
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{ |
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int i; |
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unsigned long addr; |
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flash_info_t *fli = &flash_info[0]; |
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fli->size = CONFIG_SYS_FLASH_SIZE; |
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fli->sector_count = CONFIG_SYS_MAX_FLASH_SECT; |
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fli->flash_id = FLASH_MAN_AMD + FLASH_AMDLV065D; |
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addr = CONFIG_SYS_FLASH_BASE; |
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for (i = 0; i < fli->sector_count; ++i) { |
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fli->start[i] = addr; |
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addr += SECTSZ; |
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fli->protect[i] = 1; |
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} |
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return (CONFIG_SYS_FLASH_SIZE); |
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} |
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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, k; |
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int erased; |
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unsigned long *addr; |
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printf (" Size: %ld KB in %d Sectors\n", |
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info->size >> 10, info->sector_count); |
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printf (" Sector Start Addresses:"); |
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for (i = 0; i < info->sector_count; ++i) { |
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/* Check if whole sector is erased */ |
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erased = 1; |
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addr = (unsigned long *) info->start[i]; |
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for (k = 0; k < SECTSZ/sizeof(unsigned long); k++) { |
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if ( readl(addr++) != (unsigned long)-1) { |
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erased = 0; |
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break; |
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} |
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} |
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/* Print the info */ |
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if ((i % 5) == 0) |
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printf ("\n "); |
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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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} |
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printf ("\n"); |
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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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unsigned char *addr = (unsigned char *) info->start[0]; |
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unsigned char *addr2; |
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int prot, sect; |
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ulong start; |
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/* Some sanity checking */ |
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if ((s_first < 0) || (s_first > s_last)) { |
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printf ("- no sectors to erase\n"); |
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return 1; |
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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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} |
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if (prot) { |
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printf ("- Warning: %d protected sectors will not be erased!\n", |
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prot); |
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} else { |
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printf ("\n"); |
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} |
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/* It's ok to erase multiple sectors provided we don't delay more
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* than 50 usec between cmds ... at which point the erase time-out |
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* occurs. So don't go and put printf() calls in the loop ... it |
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* won't be very helpful ;-) |
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*/ |
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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 = (unsigned char *) info->start[sect]; |
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writeb (0xaa, addr); |
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writeb (0x55, addr); |
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writeb (0x80, addr); |
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writeb (0xaa, addr); |
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writeb (0x55, addr); |
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writeb (0x30, addr2); |
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/* Now just wait for 0xff & provide some user
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* feedback while we wait. |
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*/ |
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start = get_timer (0); |
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while ( readb (addr2) != 0xff) { |
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udelay (1000 * 1000); |
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putc ('.'); |
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if (get_timer (start) > CONFIG_SYS_FLASH_ERASE_TOUT) { |
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printf ("timeout\n"); |
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return 1; |
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} |
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} |
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} |
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} |
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printf ("\n"); |
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return 0; |
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} |
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/*-----------------------------------------------------------------------
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* Copy memory to flash, returns: |
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* 0 - OK |
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* 1 - write timeout |
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* 2 - Flash not erased |
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*/ |
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int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) |
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{ |
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vu_char *cmd = (vu_char *) info->start[0]; |
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vu_char *dst = (vu_char *) addr; |
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unsigned char b; |
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ulong start; |
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while (cnt) { |
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/* Check for sufficient erase */ |
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b = *src; |
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if ((readb (dst) & b) != b) { |
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printf ("%02x : %02x\n", readb (dst), b); |
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return (2); |
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} |
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writeb (0xaa, cmd); |
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writeb (0x55, cmd); |
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writeb (0xa0, cmd); |
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writeb (b, dst); |
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/* Verify write */ |
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start = get_timer (0); |
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while (readb (dst) != b) { |
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if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) { |
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return 1; |
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} |
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} |
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dst++; |
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src++; |
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cnt--; |
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} |
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return (0); |
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} |
@ -1,180 +0,0 @@ |
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/*
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* (C) Copyright 2000-2004 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include <common.h> |
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#include <nios.h> |
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flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; |
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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, k; |
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unsigned long size; |
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int erased; |
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volatile unsigned char *flash; |
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printf (" Size: %ld KB in %d Sectors\n", |
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info->size >> 10, info->sector_count); |
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printf (" Sector Start Addresses:"); |
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for (i = 0; i < info->sector_count; ++i) { |
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/* Check if whole sector is erased */ |
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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 char *) info->start[i]; |
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for (k = 0; k < size; k++) { |
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if (*flash++ != 0xff) { |
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erased = 0; |
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break; |
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} |
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} |
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/* Print the info */ |
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if ((i % 5) == 0) |
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printf ("\n "); |
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printf (" %08lX%s%s", info->start[i], erased ? " E" : " ", |
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info->protect[i] ? "RO " : " "); |
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} |
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printf ("\n"); |
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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 prot, sect; |
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unsigned oldpri; |
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ulong start; |
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/* Some sanity checking */ |
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if ((s_first < 0) || (s_first > s_last)) { |
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printf ("- no sectors to erase\n"); |
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return 1; |
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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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} |
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if (prot) { |
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printf ("- Warning: %d protected sectors will not be erased!\n", |
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prot); |
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} else { |
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printf ("\n"); |
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} |
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#ifdef DEBUG |
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for (sect = s_first; sect <= s_last; sect++) { |
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printf("- Erase: Sect: %i @ 0x%08x\n", sect, info->start[sect]); |
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} |
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#endif |
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/* NOTE: disabling interrupts on Nios can be very bad since it
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* also disables the LO_LIMIT exception. It's better here to |
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* set the interrupt priority to 3 & restore it when we're done. |
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*/ |
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oldpri = ipri (3); |
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/* It's ok to erase multiple sectors provided we don't delay more
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* than 50 usec between cmds ... at which point the erase time-out |
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* occurs. So don't go and put printf() calls in the loop ... it |
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* won't be very helpful ;-) |
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*/ |
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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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*addr = 0xaa; |
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*addr = 0x55; |
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*addr = 0x80; |
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*addr = 0xaa; |
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*addr = 0x55; |
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*addr2 = 0x30; |
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/* Now just wait for 0xff & provide some user
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* feedback while we wait. Here we have to grant |
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* timer interrupts. Otherwise get_timer() can't |
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* work right. */ |
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ipri(oldpri); |
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start = get_timer (0); |
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while (*addr2 != 0xff) { |
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udelay (1000 * 1000); |
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putc ('.'); |
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if (get_timer (start) > CONFIG_SYS_FLASH_ERASE_TOUT) { |
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printf ("timeout\n"); |
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return 1; |
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} |
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} |
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oldpri = ipri (3); /* disallow non important irqs again */ |
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} |
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} |
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printf ("\n"); |
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/* Restore interrupt priority */ |
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ipri (oldpri); |
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return 0; |
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} |
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/*-----------------------------------------------------------------------
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* Copy memory to flash, returns: |
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* 0 - OK |
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* 1 - write timeout |
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* 2 - Flash not erased |
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*/ |
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int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) |
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{ |
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vu_char *cmd = (vu_char *) info->start[0]; |
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vu_char *dst = (vu_char *) addr; |
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unsigned char b; |
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unsigned oldpri; |
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ulong start; |
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while (cnt) { |
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/* Check for sufficient erase */ |
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b = *src; |
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if ((*dst & b) != b) { |
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printf ("%02x : %02x\n", *dst, b); |
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return (2); |
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} |
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/* Disable interrupts other than window underflow
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* (interrupt priority 2) |
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*/ |
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oldpri = ipri (3); |
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*cmd = 0xaa; |
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*cmd = 0x55; |
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*cmd = 0xa0; |
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*dst = b; |
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/* Verify write */ |
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start = get_timer (0); |
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while (*dst != b) { |
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if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) { |
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ipri (oldpri); |
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return 1; |
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} |
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} |
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dst++; |
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src++; |
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cnt--; |
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ipri (oldpri); |
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} |
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return (0); |
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} |
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