]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - board/tqm8xx/flash.c
* Fix CONFIG_NET_MULTI support in include/net.h
[people/ms/u-boot.git] / board / tqm8xx / flash.c
index 98bea0e00505eb09daa9e2213bdb3f141c626402..c791c305268938f82615bfaad53db2dd822dd1d5 100644 (file)
@@ -25,6 +25,7 @@
 
 #include <common.h>
 #include <mpc8xx.h>
+#include <environment.h>
 
 #ifndef        CFG_ENV_ADDR
 #define CFG_ENV_ADDR   (CFG_FLASH_BASE + CFG_ENV_OFFSET)
@@ -103,17 +104,41 @@ unsigned long flash_init (void)
 
 #if CFG_MONITOR_BASE >= CFG_FLASH_BASE
        /* monitor protection ON by default */
+       debug ("Protect monitor: %08lx ... %08lx\n",
+               (ulong)CFG_MONITOR_BASE,
+               (ulong)CFG_MONITOR_BASE + monitor_flash_len - 1);
+
        flash_protect(FLAG_PROTECT_SET,
                      CFG_MONITOR_BASE,
-                     CFG_MONITOR_BASE+monitor_flash_len-1,
+                     CFG_MONITOR_BASE + monitor_flash_len - 1,
                      &flash_info[0]);
 #endif
 
 #ifdef CFG_ENV_IS_IN_FLASH
        /* ENV protection ON by default */
+       debug ("Protect %senvironment: %08lx ... %08lx\n",
+# ifdef CFG_ENV_ADDR_REDUND
+               "primary   ",
+# else
+               "",
+# endif
+               (ulong)CFG_ENV_ADDR,
+               (ulong)CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1);
+
        flash_protect(FLAG_PROTECT_SET,
                      CFG_ENV_ADDR,
-                     CFG_ENV_ADDR+CFG_ENV_SIZE-1,
+                     CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+                     &flash_info[0]);
+#endif
+
+#ifdef CFG_ENV_ADDR_REDUND
+       debug ("Protect redundand environment: %08lx ... %08lx\n",
+               (ulong)CFG_ENV_ADDR_REDUND,
+               (ulong)CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1);
+
+       flash_protect(FLAG_PROTECT_SET,
+                     CFG_ENV_ADDR_REDUND,
+                     CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1,
                      &flash_info[0]);
 #endif
 
@@ -181,6 +206,10 @@ void flash_print_info  (flash_info_t *info)
        }
 
        switch (info->flash_id & FLASH_TYPEMASK) {
+#ifdef CONFIG_TQM8xxM  /* mirror bit flash */
+       case FLASH_AMLV128U:    printf ("AM29LV128ML (128Mbit, uniform sector size)\n");
+                               break;
+# else /* ! TQM8xxM */
        case FLASH_AM400B:      printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
                                break;
        case FLASH_AM400T:      printf ("AM29LV400T (4 Mbit, top boot sector)\n");
@@ -197,6 +226,7 @@ void flash_print_info  (flash_info_t *info)
                                break;
        case FLASH_AM320T:      printf ("AM29LV320T (32 Mbit, top boot sector)\n");
                                break;
+#endif /* TQM8xxM */
        default:                printf ("Unknown Chip Type\n");
                                break;
        }
@@ -262,6 +292,25 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
        debug ("Device ID @ 0x%08lx: 0x%08lx\n", (ulong)(&addr[1]), value);
 
        switch (value) {
+#ifdef CONFIG_TQM8xxM  /* mirror bit flash */
+       case AMD_ID_MIRROR:
+               switch(addr[14]) {
+               case AMD_ID_LV128U_2:
+                       if (addr[15] != AMD_ID_LV128U_3) {
+                               info->flash_id = FLASH_UNKNOWN;
+                       }
+                       else {
+                               info->flash_id += FLASH_AMLV128U;
+                               info->sector_count = 256;
+                               info->size = 0x02000000;
+                       }
+                       break;                          /* => 32 MB             */
+               default:
+                       info->flash_id = FLASH_UNKNOWN;
+                       break;
+               }
+               break;
+# else /* ! TQM8xxM */
        case AMD_ID_LV400T:
                info->flash_id += FLASH_AM400T;
                info->sector_count = 11;
@@ -297,6 +346,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
                info->sector_count = 35;
                info->size = 0x00400000;
                break;                          /* => 4 MB              */
+
        case AMD_ID_LV320T:
                info->flash_id += FLASH_AM320T;
                info->sector_count = 71;
@@ -308,12 +358,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
                info->sector_count = 71;
                info->size = 0x00800000;
                break;                          /* => 8 MB              */
-       case AMD_ID_DL640:
-debug ("## oops - same ID used for AM29LV128ML/H mirror bit flash ???\n");
-               info->flash_id += FLASH_AMDL640;
-               info->sector_count = 142;
-               info->size = 0x00800000;
-               break;
+#endif /* TQM8xxM */
        default:
                info->flash_id = FLASH_UNKNOWN;
                return (0);                     /* => no or unknown flash */
@@ -321,6 +366,19 @@ debug ("## oops - same ID used for AM29LV128ML/H mirror bit flash ???\n");
 
        /* set up sector start address table */
        switch (value) {
+#ifdef CONFIG_TQM8xxM  /* mirror bit flash */
+       case AMD_ID_MIRROR:
+               switch (info->flash_id & FLASH_TYPEMASK) {
+                       /* only known types here - no default */
+               case FLASH_AMLV128U:
+                       for (i = 0; i < info->sector_count; i++) {
+                               info->start[i] = base;
+                               base += 0x20000;
+                       }
+                       break;
+               }
+               break;
+# else /* ! TQM8xxM */
        case AMD_ID_LV400B:
        case AMD_ID_LV800B:
        case AMD_ID_LV160B:
@@ -369,6 +427,7 @@ debug ("## oops - same ID used for AM29LV128ML/H mirror bit flash ???\n");
                                :  2 * ( 8 << 10);
                }
                break;
+#endif /* TQM8xxM */
        default:
                return (0);
                break;