]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/pcs440ep/flash.c
imported Freescale specific U-Boot additions for i.MX28,... release L2.6.31_10.08.01
[karo-tx-uboot.git] / board / pcs440ep / flash.c
index ece54781b9d041a9cd23ccfc5d29ccc5f2c0936a..f90a22112b9deb1e30afe465b7d69f17b65791fa 100755 (executable)
 #include <common.h>
 #include <asm/processor.h>
 
-#ifndef CFG_FLASH_READ0
-#define CFG_FLASH_READ0                0x0000  /* 0 is standard                        */
-#define CFG_FLASH_READ1                0x0001  /* 1 is standard                        */
-#define CFG_FLASH_READ2                0x0002  /* 2 is standard                        */
+#ifndef CONFIG_SYS_FLASH_READ0
+#define CONFIG_SYS_FLASH_READ0         0x0000  /* 0 is standard                        */
+#define CONFIG_SYS_FLASH_READ1         0x0001  /* 1 is standard                        */
+#define CONFIG_SYS_FLASH_READ2         0x0002  /* 2 is standard                        */
 #endif
 
-flash_info_t   flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips        */
+flash_info_t   flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
 
 /*
  * Functions
@@ -45,7 +45,7 @@ unsigned long flash_init(void)
        unsigned long base_b0, base_b1;
 
        /* Init: no FLASHes known */
-       for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+       for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
                flash_info[i].flash_id = FLASH_UNKNOWN;
        }
 
@@ -82,7 +82,9 @@ void flash_print_info(flash_info_t *info)
        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 ("ST Micro");            break;
        case FLASH_MAN_EXCEL:   printf ("Excel Semiconductor "); break;
+       case FLASH_MAN_MX:      printf ("MXIC "); break;
        default:                printf ("Unknown Vendor ");     break;
        }
 
@@ -117,6 +119,8 @@ void flash_print_info(flash_info_t *info)
                break;
        case FLASH_SST040:      printf ("SST39LF/VF040 (4 Mbit, uniform sector size)\n");
                break;
+       case STM_ID_M29W040B:   printf ("ST Micro M29W040B (4 Mbit, uniform sector size)\n");
+               break;
        default:                printf ("Unknown Chip Type\n");
                break;
        }
@@ -126,7 +130,7 @@ void flash_print_info(flash_info_t *info)
 
        printf ("  Sector Start Addresses:");
        for (i=0; i<info->sector_count; ++i) {
-#ifdef CFG_FLASH_EMPTY_INFO
+#ifdef CONFIG_SYS_FLASH_EMPTY_INFO
                /*
                 * Check if whole sector is erased
                 */
@@ -171,30 +175,36 @@ static ulong flash_get_size(vu_long *addr, flash_info_t *info)
 {
        short i;
        short n;
-       volatile CFG_FLASH_WORD_SIZE value;
+       volatile CONFIG_SYS_FLASH_WORD_SIZE value;
        ulong base = (ulong)addr;
-       volatile CFG_FLASH_WORD_SIZE *addr2 = (volatile CFG_FLASH_WORD_SIZE *)addr;
+       volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (volatile CONFIG_SYS_FLASH_WORD_SIZE *)addr;
 
        /* Write auto select command: read Manufacturer ID */
-       addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
-       addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
-       addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00900090;
+       addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA;
+       addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055;
+       addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00900090;
 
-       value = addr2[CFG_FLASH_READ0];
+       value = addr2[CONFIG_SYS_FLASH_READ0];
 
        switch (value) {
-       case (CFG_FLASH_WORD_SIZE)AMD_MANUFACT:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_MANUFACT:
                info->flash_id = FLASH_MAN_AMD;
                break;
-       case (CFG_FLASH_WORD_SIZE)FUJ_MANUFACT:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)FUJ_MANUFACT:
                info->flash_id = FLASH_MAN_FUJ;
                break;
-       case (CFG_FLASH_WORD_SIZE)SST_MANUFACT:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)SST_MANUFACT:
                info->flash_id = FLASH_MAN_SST;
                break;
-       case (CFG_FLASH_WORD_SIZE)EXCEL_MANUFACT:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)STM_MANUFACT:
+               info->flash_id = FLASH_MAN_STM;
+               break;
+       case (CONFIG_SYS_FLASH_WORD_SIZE)EXCEL_MANUFACT:
                info->flash_id = FLASH_MAN_EXCEL;
                break;
+       case (CONFIG_SYS_FLASH_WORD_SIZE)MX_MANUFACT:
+               info->flash_id = FLASH_MAN_MX;
+               break;
        default:
                info->flash_id = FLASH_UNKNOWN;
                info->sector_count = 0;
@@ -202,94 +212,99 @@ static ulong flash_get_size(vu_long *addr, flash_info_t *info)
                return (0);                     /* no or unknown flash  */
        }
 
-       value = addr2[CFG_FLASH_READ1];         /* device ID    */
+       value = addr2[CONFIG_SYS_FLASH_READ1];          /* device ID    */
 
        switch (value) {
-       case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400T:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV400T:
                info->flash_id += FLASH_AM400T;
                info->sector_count = 11;
                info->size = 0x00080000;
                break;                          /* => 0.5 MB    */
 
-       case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400B:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV400B:
                info->flash_id += FLASH_AM400B;
                info->sector_count = 11;
                info->size = 0x00080000;
                break;                          /* => 0.5 MB    */
 
-       case (CFG_FLASH_WORD_SIZE)AMD_ID_LV040B:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV040B:
                info->flash_id += FLASH_AM040;
                info->sector_count = 8;
                info->size = 0x0080000;         /* => 0.5 MB    */
                break;
+       case (CONFIG_SYS_FLASH_WORD_SIZE)STM_ID_M29W040B:
+               info->flash_id += FLASH_AM040;
+               info->sector_count = 8;
+               info->size = 0x0080000; /* => 0,5 MB */
+               break;
 
-       case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800T:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV800T:
                info->flash_id += FLASH_AM800T;
                info->sector_count = 19;
                info->size = 0x00100000;
                break;                          /* => 1 MB      */
 
-       case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800B:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV800B:
                info->flash_id += FLASH_AM800B;
                info->sector_count = 19;
                info->size = 0x00100000;
                break;                          /* => 1 MB      */
 
-       case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160T:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV160T:
                info->flash_id += FLASH_AM160T;
                info->sector_count = 35;
                info->size = 0x00200000;
                break;                          /* => 2 MB      */
 
-       case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160B:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV160B:
                info->flash_id += FLASH_AM160B;
                info->sector_count = 35;
                info->size = 0x00200000;
                break;                          /* => 2 MB      */
 
-       case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320T:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV320T:
                info->flash_id += FLASH_AM320T;
                info->sector_count = 71;
                info->size = 0x00400000;
                break;                          /* => 4 MB      */
 
-       case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320B:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV320B:
                info->flash_id += FLASH_AM320B;
                info->sector_count = 71;
                info->size = 0x00400000;
                break;                          /* => 4 MB      */
 
-       case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322T:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_DL322T:
                info->flash_id += FLASH_AMDL322T;
                info->sector_count = 71;
                info->size = 0x00400000;
                break;                          /* => 4 MB      */
 
-       case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322B:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_DL322B:
                info->flash_id += FLASH_AMDL322B;
                info->sector_count = 71;
                info->size = 0x00400000;
                break;                          /* => 4 MB      */
 
-       case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323T:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_DL323T:
                info->flash_id += FLASH_AMDL323T;
                info->sector_count = 71;
                info->size = 0x00400000;
                break;                          /* => 4 MB      */
 
-       case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323B:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_DL323B:
                info->flash_id += FLASH_AMDL323B;
                info->sector_count = 71;
                info->size = 0x00400000;
                break;                          /* => 4 MB      */
 
-       case (CFG_FLASH_WORD_SIZE)SST_ID_xF020:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)SST_ID_xF020:
                info->flash_id += FLASH_SST020;
                info->sector_count = 64;
                info->size = 0x00040000;
                break;                          /* => 256 kB    */
 
-       case (CFG_FLASH_WORD_SIZE)SST_ID_xF040:
+       case (CONFIG_SYS_FLASH_WORD_SIZE)SST_ID_xF040:
                info->flash_id += FLASH_SST040;
                info->sector_count = 128;
                info->size = 0x00080000;
@@ -366,19 +381,19 @@ static ulong flash_get_size(vu_long *addr, flash_info_t *info)
        for (i = 0; i < info->sector_count; i++) {
                /* read sector protection at sector address, (A7 .. A0) = 0x02 */
                /* D0 = 1 if protected */
-               addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]);
+               addr2 = (volatile CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[i]);
                if ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_AMD)
                        info->protect[i] = 0;
                else
-                       info->protect[i] = addr2[CFG_FLASH_READ2] & 1;
+                       info->protect[i] = addr2[CONFIG_SYS_FLASH_READ2] & 1;
        }
 
        /*
         * Prevent writes to uninitialized FLASH.
         */
        if (info->flash_id != FLASH_UNKNOWN) {
-               addr2 = (CFG_FLASH_WORD_SIZE *)info->start[0];
-               *addr2 = (CFG_FLASH_WORD_SIZE)0x00F000F0;       /* reset bank */
+               addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)info->start[0];
+               *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE)0x00F000F0;        /* reset bank */
        }
 
        return (info->size);
@@ -387,8 +402,8 @@ static ulong flash_get_size(vu_long *addr, flash_info_t *info)
 
 int flash_erase(flash_info_t *info, int s_first, int s_last)
 {
-       volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *)(info->start[0]);
-       volatile CFG_FLASH_WORD_SIZE *addr2;
+       volatile CONFIG_SYS_FLASH_WORD_SIZE *addr = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[0]);
+       volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2;
        int flag, prot, sect, l_sect;
        ulong start, now, last;
 
@@ -423,14 +438,14 @@ int flash_erase(flash_info_t *info, int s_first, int s_last)
        /* Start erase on unprotected sectors */
        for (sect = s_first; sect<=s_last; sect++) {
                if (info->protect[sect] == 0) { /* not protected */
-                       addr2 = (CFG_FLASH_WORD_SIZE *)(info->start[sect]);
+                       addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[sect]);
                        if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
-                               addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
-                               addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
-                               addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00800080;
-                               addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
-                               addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
-                               addr2[0] = (CFG_FLASH_WORD_SIZE)0x00300030;  /* sector erase */
+                               addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA;
+                               addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055;
+                               addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080;
+                               addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA;
+                               addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055;
+                               addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00300030;  /* sector erase */
 
                                /* re-enable interrupts if necessary */
                                if (flag) {
@@ -440,20 +455,20 @@ int flash_erase(flash_info_t *info, int s_first, int s_last)
 
                                /* data polling for D7 */
                                start = get_timer (0);
-                               while ((addr2[0] & (CFG_FLASH_WORD_SIZE)0x00800080) !=
-                                      (CFG_FLASH_WORD_SIZE)0x00800080) {
-                                       if (get_timer(start) > CFG_FLASH_WRITE_TOUT)
+                               while ((addr2[0] & (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080) !=
+                                      (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080) {
+                                       if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)
                                                return (1);
                                }
                        } else {
                                if (sect == s_first) {
-                                       addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
-                                       addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
-                                       addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00800080;
-                                       addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
-                                       addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
+                                       addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA;
+                                       addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055;
+                                       addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080;
+                                       addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA;
+                                       addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055;
                                }
-                               addr2[0] = (CFG_FLASH_WORD_SIZE)0x00300030;  /* sector erase */
+                               addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00300030;  /* sector erase */
                        }
                        l_sect = sect;
                }
@@ -474,9 +489,9 @@ int flash_erase(flash_info_t *info, int s_first, int s_last)
 
        start = get_timer (0);
        last  = start;
-       addr = (CFG_FLASH_WORD_SIZE *)(info->start[l_sect]);
-       while ((addr[0] & (CFG_FLASH_WORD_SIZE)0x00800080) != (CFG_FLASH_WORD_SIZE)0x00800080) {
-               if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+       addr = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[l_sect]);
+       while ((addr[0] & (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080) != (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080) {
+               if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
                        printf ("Timeout\n");
                        return 1;
                }
@@ -489,8 +504,8 @@ int flash_erase(flash_info_t *info, int s_first, int s_last)
 
 DONE:
        /* reset to read mode */
-       addr = (CFG_FLASH_WORD_SIZE *)info->start[0];
-       addr[0] = (CFG_FLASH_WORD_SIZE)0x00F000F0;      /* reset bank */
+       addr = (CONFIG_SYS_FLASH_WORD_SIZE *)info->start[0];
+       addr[0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00F000F0;       /* reset bank */
 
        printf (" done\n");
        return 0;
@@ -570,9 +585,9 @@ int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
  */
 static int write_word(flash_info_t *info, ulong dest, ulong data)
 {
-       volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *)(info->start[0]);
-       volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *)dest;
-       volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *)&data;
+       volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[0]);
+       volatile CONFIG_SYS_FLASH_WORD_SIZE *dest2 = (CONFIG_SYS_FLASH_WORD_SIZE *)dest;
+       volatile CONFIG_SYS_FLASH_WORD_SIZE *data2 = (CONFIG_SYS_FLASH_WORD_SIZE *)&data;
        ulong start;
        int flag;
        int i;
@@ -584,10 +599,10 @@ static int write_word(flash_info_t *info, ulong dest, ulong data)
        /* Disable interrupts which might cause a timeout here */
        flag = disable_interrupts();
 
-       for (i=0; i<4/sizeof(CFG_FLASH_WORD_SIZE); i++) {
-               addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
-               addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055;
-               addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00A000A0;
+       for (i=0; i<4/sizeof(CONFIG_SYS_FLASH_WORD_SIZE); i++) {
+               addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA;
+               addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055;
+               addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00A000A0;
 
                dest2[i] = data2[i];
 
@@ -597,9 +612,9 @@ static int write_word(flash_info_t *info, ulong dest, ulong data)
 
                /* data polling for D7 */
                start = get_timer (0);
-               while ((dest2[i] & (CFG_FLASH_WORD_SIZE)0x00800080) !=
-                      (data2[i] & (CFG_FLASH_WORD_SIZE)0x00800080)) {
-                       if (get_timer(start) > CFG_FLASH_WRITE_TOUT)
+               while ((dest2[i] & (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080) !=
+                      (data2[i] & (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080)) {
+                       if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)
                                return (1);
                }
        }