From 9dd611b8c1db94181918481d5cac1fac241a7954 Mon Sep 17 00:00:00 2001 From: wdenk Date: Sun, 9 Jan 2005 17:19:34 +0000 Subject: * Patch by Kurt Stremerch, 03 Sep 2004: Add Xilinx Spartan2E family FPGA support * Patch by Jeff Angielski, 02 Sep 2004: Add Added support for H2 revision of the EP8260 board. Fixed formatting for some of the EP8260 related source files. --- board/ep8260/flash.c | 563 ++++++++++++++++++++++++++------------------------- 1 file changed, 289 insertions(+), 274 deletions(-) (limited to 'board/ep8260/flash.c') diff --git a/board/ep8260/flash.c b/board/ep8260/flash.c index cdfdcf2664..278d606b32 100644 --- a/board/ep8260/flash.c +++ b/board/ep8260/flash.c @@ -42,250 +42,265 @@ 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; - } + 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); - - if ((int)flashtest_h == AMD_MANUFACT) { - info->flash_id = FLASH_MAN_AMD; - } else { - 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; - return(0); - } - if (flashtest_h == AMD_ID_DL323B) { - info->flash_id += FLASH_AMDL323B; - info->sector_count = 71; - info->size = 0x01000000; /* 4 * 4 MB = 16 MB */ - } else { - info->flash_id = FLASH_UNKNOWN; - return(0); /* no or unknown flash */ - } - - /* set up sector start adress table (bottom sector type) */ - for (i = 0; i < 8; i++) { - info->start[i] = baseaddr + (i * 0x00008000); - } - for (i = 8; i < info->sector_count; i++) { - info->start[i] = baseaddr + (i * 0x00040000) - 0x001C0000; - } - - /* 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); + 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); + + if ((int)flashtest_h == AMD_MANUFACT) { + info->flash_id = FLASH_MAN_AMD; + } else { + 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; + return(0); + } + + switch((int)flashtest_h) { + case AMD_ID_DL323B: + info->flash_id += FLASH_AMDL323B; + info->sector_count = 71; + info->size = 0x01000000; /* 4 * 4 MB = 16 MB */ + break; + case AMD_ID_LV640U: /* AMDLV640 and AMDLV641 have same ID */ + info->flash_id += FLASH_AMLV640U; + info->sector_count = 128; + info->size = 0x02000000; /* 4 * 8 MB = 32 MB */ + break; + 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 { + /* set up sector start adress table (bottom sector type) */ + for (i = 0; i < 8; i++) { + info->start[i] = baseaddr + (i * 0x00008000); + } + for (i = 8; i < info->sector_count; i++) { + info->start[i] = baseaddr + (i * 0x00040000) - 0x001C0000; + } + } + /* 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; + unsigned long size_b0 = 0; + int i; - /* Init: no FLASHes known */ - for (i=0; i>20); - } + 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 - */ + /* + * 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]); + 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]); + flash_protect(FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR + CFG_ENV_SIZE - 1, + &flash_info[0]); #endif - return (size_b0); + return (size_b0); } /*----------------------------------------------------------------------- */ void flash_print_info (flash_info_t *info) { - int i; + int i; - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } + if (info->flash_id == FLASH_UNKNOWN) { + printf ("missing or unknown FLASH type\n"); + return; + } - switch ((info->flash_id >> 16) & 0xff) { - case FLASH_MAN_AMD: printf ("AMD "); break; - default: printf ("Unknown Vendor "); break; - } + switch ((info->flash_id >> 16) & 0xff) { + case FLASH_MAN_AMD: printf ("AMD "); break; + default: printf ("Unknown Vendor "); break; + } - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_AMDL323B: printf ("29DL323B (32 M, bottom sector)\n"); + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_AMDL323B: printf ("29DL323B (32 M, bottom sector)\n"); break; - default: printf ("Unknown Chip Type\n"); + case FLASH_AMLV640U: printf ("29LV640U (64 M, uniform sector)\n"); break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i=0; isector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], - info->protect[i] ? " (RO)" : " " - ); - } - printf ("\n"); - return; + 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; isector_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; + 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; + } - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); + prot = 0; + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect]) + prot++; } - 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; + + if (prot) { + printf ("- Warning: %d protected sectors will not be erased!\n", + prot); + } else { + printf ("\n"); } - } - - /* 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; + + 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; + } } - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - serial_putc ('.'); - last = now; + + /* 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 (); + DONE: + /* reset to read mode */ + flash_reset (); - printf (" done\n"); - return 0; + printf (" done\n"); + return 0; } static int write_dword (flash_info_t *, ulong, unsigned char *); @@ -299,49 +314,49 @@ static int write_dword (flash_info_t *, ulong, unsigned char *); 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); + 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; } - dp += 8; - cc -= 8 - l; - } - - /* - * handle word aligned part - */ - while (cc >= 8) { - if ((rc = write_dword(info, dp, src)) != 0) { - return (rc); + + if (cc <= 0) { + return (0); } - 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)); + /* + * 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)); } /*----------------------------------------------------------------------- @@ -352,45 +367,45 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) */ static int write_dword (flash_info_t *info, ulong dest, unsigned char * pdata) { - ulong start; - ulong cl = 0, ch =0; - 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); + ulong start; + ulong cl = 0, ch =0; + 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); } - } - return (0); + + /* 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); } -- cgit v1.2.1