MCC200: restrict addressable flash space to 32 MB

diff --git a/CHANGELOG b/CHANGELOG
index 727d7ec..a3b4b23 100644 (file)
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,8 @@
 Changes since U-Boot 1.1.4:
 ======================================================================
 
+* MCC200: restrict addressable flash space to 32 MB
+
 * Add debug console on COM12 for MCC200 board
 
 * Fix control-c handing in CONFIG_CMDLINE_EDITING

diff --git a/board/mcc200/mcc200.c b/board/mcc200/mcc200.c
index 167dc0f..775030c 100644 (file)
--- a/board/mcc200/mcc200.c
+++ b/board/mcc200/mcc200.c
@@ -203,6 +203,8 @@ int checkboard (void)
 
 int misc_init_r (void)
 {
+       ulong flash_sup_end, snum;
+
        /*
         * Adjust flash start and offset to detected values
         */
@@ -257,6 +259,12 @@ int misc_init_r (void)
                               (flash_info[0].start[0] - 1) + flash_info[0].size,
                               &flash_info[0]);
                *(volatile int*)MPC5XXX_CS0_CFG &= ~(1 << 6);
+               printf ("Warning: Only 32 of 64 MB of Flash are accessible from U-Boot\n");
+               flash_info[0].size = 32 << 20;
+               for (snum = 0, flash_sup_end = gd->bd->bi_flashstart + (32<<20); 
+                       flash_info[0].start[snum] < flash_sup_end; 
+                       snum++);
+               flash_info[0].sector_count = snum;
        }
 
        return (0);