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* Patches by Xianghua Xiao, 15 Oct 2003:
[karo-tx-uboot.git] / board / dave / common / flash.c
diff --git a/board/dave/common/flash.c b/board/dave/common/flash.c
index 3cdbaa920d3add5f17c5d1f2f0bf2e99da3e144c..feea093710109f738a479af6fe1640f2d795a246 100644 (file)
--- a/board/dave/common/flash.c
+++ b/board/dave/common/flash.c
@@ -40,11 +40,11 @@ static void flash_get_offsets (ulong base, flash_info_t *info)
        short n;
 
        /* set up sector start address table */
-        if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
+       if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
            ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U)) {
            for (i = 0; i < info->sector_count; i++)
                info->start[i] = base + (i * 0x00010000);
-        } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) ||
+       } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) ||
                   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) ||
                   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
                   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) {
@@ -58,7 +58,7 @@ static void flash_get_offsets (ulong base, flash_info_t *info)
                        base += 64 << 10;
                        ++i;
                }
-        } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) ||
+       } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) ||
                   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) ||
                   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
                   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) {
@@ -75,7 +75,7 @@ static void flash_get_offsets (ulong base, flash_info_t *info)
                        --i;
                        info->start[i] = base;
                }
-        } else {
+       } else {
            if (info->flash_id & FLASH_BTYPE) {
                /* set sector offsets for bottom boot block type        */
                info->start[0] = base + 0x00000000;
@@ -103,10 +103,10 @@ static void flash_get_offsets (ulong base, flash_info_t *info)
 void flash_print_info  (flash_info_t *info)
 {
        int i;
-        int k;
-        int size;
-        int erased;
-        volatile unsigned long *flash;
+       int k;
+       int size;
+       int erased;
+       volatile unsigned long *flash;
 
        if (info->flash_id == FLASH_UNKNOWN) {
                printf ("missing or unknown FLASH type\n");
@@ -164,28 +164,28 @@ 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
-                /*
-                 * Check if whole sector is erased
-                 */
-                if (i != (info->sector_count-1))
-                  size = info->start[i+1] - info->start[i];
-                else
-                  size = info->start[0] + info->size - info->start[i];
-                erased = 1;
-                flash = (volatile unsigned long *)info->start[i];
-                size = size >> 2;        /* divide by 4 for longword access */
-                for (k=0; k<size; k++)
-                  {
-                    if (*flash++ != 0xffffffff)
-                      {
-                        erased = 0;
-                        break;
-                      }
-                  }
+               /*
+                * Check if whole sector is erased
+                */
+               if (i != (info->sector_count-1))
+                 size = info->start[i+1] - info->start[i];
+               else
+                 size = info->start[0] + info->size - info->start[i];
+               erased = 1;
+               flash = (volatile unsigned long *)info->start[i];
+               size = size >> 2;        /* divide by 4 for longword access */
+               for (k=0; k<size; k++)
+                 {
+                   if (*flash++ != 0xffffffff)
+                     {
+                       erased = 0;
+                       break;
+                     }
+                 }
 
                if ((i % 5) == 0)
                        printf ("\n   ");
-                /* print empty and read-only info */
+               /* print empty and read-only info */
                printf (" %08lX%s%s",
                        info->start[i],
                        erased ? " E" : "  ",
@@ -219,7 +219,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
        short n;
        CFG_FLASH_WORD_SIZE value;
        ulong base = (ulong)addr;
-        volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *)addr;
+       volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *)addr;
 
        /* Write auto select command: read Manufacturer ID */
        addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
@@ -288,42 +288,42 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
                break;                          /* => 2 MB              */
 
        case (CFG_FLASH_WORD_SIZE)STM_ID_29W320DT:
-               info->flash_id += FLASH_STMW320DT;
-               info->sector_count = 67;
+               info->flash_id += FLASH_STMW320DT;
+               info->sector_count = 67;
                info->size = 0x00400000;  break;        /* => 4 MB      */
 
        case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320T:
-               info->flash_id += FLASH_AM320T;
-               info->sector_count = 71;
+               info->flash_id += FLASH_AM320T;
+               info->sector_count = 71;
                info->size = 0x00400000;  break;        /* => 4 MB      */
 
        case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320B:
-               info->flash_id += FLASH_AM320B;
+               info->flash_id += FLASH_AM320B;
                info->sector_count = 71;
                info->size = 0x00400000;  break;        /* => 4 MB      */
 
        case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322T:
-               info->flash_id += FLASH_AMDL322T;
-               info->sector_count = 71;
+               info->flash_id += FLASH_AMDL322T;
+               info->sector_count = 71;
                info->size = 0x00400000;  break;        /* => 4 MB      */
 
        case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322B:
-               info->flash_id += FLASH_AMDL322B;
+               info->flash_id += FLASH_AMDL322B;
                info->sector_count = 71;
                info->size = 0x00400000;  break;        /* => 4 MB      */
 
        case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323T:
-               info->flash_id += FLASH_AMDL323T;
+               info->flash_id += FLASH_AMDL323T;
                info->sector_count = 71;
                info->size = 0x00400000;  break;        /* => 4 MB      */
 
        case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323B:
-               info->flash_id += FLASH_AMDL323B;
+               info->flash_id += FLASH_AMDL323B;
                info->sector_count = 71;
                info->size = 0x00400000;  break;        /* => 4 MB      */
 
        case (CFG_FLASH_WORD_SIZE)AMD_ID_LV640U:
-               info->flash_id += FLASH_AM640U;
+               info->flash_id += FLASH_AM640U;
                info->sector_count = 128;
                info->size = 0x00800000;  break;        /* => 8 MB      */
 
@@ -346,11 +346,11 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
        }
 
        /* set up sector start address table */
-        if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
+       if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
            ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U)) {
            for (i = 0; i < info->sector_count; i++)
                info->start[i] = base + (i * 0x00010000);
-        } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) ||
+       } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) ||
                   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) ||
                   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
                   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) {
@@ -364,7 +364,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
                        base += 64 << 10;
                        ++i;
                }
-        } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) ||
+       } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) ||
                   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) ||
                   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
                   ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) {
@@ -381,13 +381,13 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
                        --i;
                        info->start[i] = base;
                }
-        } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) {
+       } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) {
                /* set sector offsets for top boot block type           */
                base += info->size;
                i = info->sector_count;
-                /*  1 x 16k boot sector */
+               /*  1 x 16k boot sector */
                base -= 16 << 10;
-                --i;
+               --i;
                info->start[i] = base;
                /*  2 x 8k  boot sectors */
                for (n=0; n<2; ++n) {
@@ -395,9 +395,9 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
                        --i;
                        info->start[i] = base;
                }
-                /*  1 x 32k boot sector */
+               /*  1 x 32k boot sector */
                base -= 32 << 10;
-                --i;
+               --i;
                info->start[i] = base;
 
                while (i > 0) {                 /* 64k regular sectors  */
@@ -405,7 +405,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
                        --i;
                        info->start[i] = base;
                }
-        } else {
+       } else {
            if (info->flash_id & FLASH_BTYPE) {
                /* set sector offsets for bottom boot block type        */
                info->start[0] = base + 0x00000000;
@@ -432,10 +432,10 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
                /* read sector protection at sector address, (A7 .. A0) = 0x02 */
                /* D0 = 1 if protected */
                addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]);
-                if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
-                  info->protect[i] = 0;
-                else
-                  info->protect[i] = addr2[CFG_FLASH_READ2] & 1;
+               if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
+                 info->protect[i] = 0;
+               else
+                 info->protect[i] = addr2[CFG_FLASH_READ2] & 1;
        }
 
        /*
@@ -459,7 +459,7 @@ int flash_erase (flash_info_t *info, int s_first, int s_last)
        volatile CFG_FLASH_WORD_SIZE *addr2;
        int flag, prot, sect, l_sect;
        ulong start, now, last;
-        int i;
+       int i;
 
        if ((s_first < 0) || (s_first > s_last)) {
                if (info->flash_id == FLASH_UNKNOWN) {
@@ -498,25 +498,25 @@ int       flash_erase (flash_info_t *info, int s_first, int s_last)
        for (sect = s_first; sect<=s_last; sect++) {
                if (info->protect[sect] == 0) { /* not protected */
                    addr2 = (CFG_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)0x00500050;  /* block erase */
-                        for (i=0; i<50; i++)
-                          udelay(1000);  /* wait 1 ms */
-                    } 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;
-                        }
-                        addr2[0] = (CFG_FLASH_WORD_SIZE)0x00300030;  /* sector erase */
-                    }
+                   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)0x00500050;  /* block erase */
+                       for (i=0; i<50; i++)
+                         udelay(1000);  /* wait 1 ms */
+                   } 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;
+                       }
+                       addr2[0] = (CFG_FLASH_WORD_SIZE)0x00300030;  /* sector erase */
+                   }
                    l_sect = sect;
                }
        }
@@ -637,42 +637,42 @@ 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 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;
        ulong start;
        int flag;
-        int i;
+       int i;
 
        /* Check if Flash is (sufficiently) erased */
        if ((*((volatile CFG_FLASH_WORD_SIZE *)dest) &
-             (CFG_FLASH_WORD_SIZE)data) != (CFG_FLASH_WORD_SIZE)data) {
+            (CFG_FLASH_WORD_SIZE)data) != (CFG_FLASH_WORD_SIZE)data) {
                return (2);
        }
        /* 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;
-
-            dest2[i] = data2[i];
-
-            /* re-enable interrupts if necessary */
-            if (flag)
-              enable_interrupts();
-
-            /* 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) {
-                return (1);
-              }
-            }
-          }
+       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;
+
+           dest2[i] = data2[i];
+
+           /* re-enable interrupts if necessary */
+           if (flag)
+             enable_interrupts();
+
+           /* 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) {
+               return (1);
+             }
+           }
+         }
 
        return (0);
 }
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