Blackfin arch: fix bug NOR Flash MTD mount fail

[linux-2.6-omap-h63xx.git] / arch / blackfin / mach-bf548 / head.S

diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S
index 3071c243d42672147e83bfe415ca602c5e2acbb9..74b34c7f36295000a080f33e2d279d7162462da2 100644 (file)
--- a/arch/blackfin/mach-bf548/head.S
+++ b/arch/blackfin/mach-bf548/head.S
@@ -158,6 +158,27 @@ ENTRY(__stext)
        w[p2] = r0;
        ssync;
 
+       p2.h = hi(EBIU_MBSCTL);
+       p2.l = lo(EBIU_MBSCTL);
+       r0.h = hi(CONFIG_EBIU_MBSCTLVAL);
+       r0.l = lo(CONFIG_EBIU_MBSCTLVAL);
+       [p2] = r0;
+       ssync;
+
+       p2.h = hi(EBIU_MODE);
+       p2.l = lo(EBIU_MODE);
+       r0.h = hi(CONFIG_EBIU_MODEVAL);
+       r0.l = lo(CONFIG_EBIU_MODEVAL);
+       [p2] = r0;
+       ssync;
+
+       p2.h = hi(EBIU_FCTL);
+       p2.l = lo(EBIU_FCTL);
+       r0.h = hi(CONFIG_EBIU_FCTLVAL);
+       r0.l = lo(CONFIG_EBIU_FCTLVAL);
+       [p2] = r0;
+       ssync;
+
        /* This section keeps the processor in supervisor mode
         * during kernel boot.  Switches to user mode at end of boot.
         * See page 3-9 of Hardware Reference manual for documentation.