]> git.sur5r.net Git - u-boot/blobdiff - arch/powerpc/cpu/mpc83xx/start.S
Merge branch 'master' of git://git.denx.de/u-boot-nand-flash
[u-boot] / arch / powerpc / cpu / mpc83xx / start.S
index 450cfb568ba32115fbf121801bd91e72a03ead40..b70b4ca12cea1540a4697654b1e41a527eb1078c 100644 (file)
  *  U-Boot - Startup Code for MPC83xx PowerPC based Embedded Boards
  */
 
+#include <asm-offsets.h>
 #include <config.h>
 #include <mpc83xx.h>
-#include <timestamp.h>
+#ifndef  CONFIG_IDENT_STRING
+#define  CONFIG_IDENT_STRING "MPC83XX"
+#endif
 #include <version.h>
 
 #define CONFIG_83XX    1               /* needed for Linux kernel header files*/
 #include <asm/mmu.h>
 #include <asm/u-boot.h>
 
-#ifndef  CONFIG_IDENT_STRING
-#define  CONFIG_IDENT_STRING "MPC83XX"
-#endif
-
 /* We don't want the  MMU yet.
  */
 #undef MSR_KERNEL
@@ -71,7 +70,7 @@
        START_GOT
        GOT_ENTRY(_GOT2_TABLE_)
        GOT_ENTRY(__bss_start)
-       GOT_ENTRY(_end)
+       GOT_ENTRY(__bss_end__)
 
 #ifndef CONFIG_NAND_SPL
        GOT_ENTRY(_FIXUP_TABLE_)
 
        .globl  version_string
 version_string:
-       .ascii U_BOOT_VERSION
-       .ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")"
-       .ascii " ", CONFIG_IDENT_STRING, "\0"
+       .ascii U_BOOT_VERSION_STRING, "\0"
 
        .align 2
 
@@ -952,10 +949,12 @@ in_ram:
        beq     4f
 3:     lwzu    r4,4(r3)
        lwzux   r0,r4,r11
+       cmpwi   r0,0
        add     r0,r0,r11
-       stw     r10,0(r3)
+       stw     r4,0(r3)
+       beq-    5f
        stw     r0,0(r4)
-       bdnz    3b
+5:     bdnz    3b
 4:
 #endif
 
@@ -974,7 +973,7 @@ clear_bss:
         */
        lwz     r4,GOT(environment)
 #else
-       lwz     r4,GOT(_end)
+       lwz     r4,GOT(__bss_end__)
 #endif
 
        cmplw   0, r3, r4
@@ -1070,7 +1069,7 @@ lock_ram_in_cache:
         */
        lis     r3, (CONFIG_SYS_INIT_RAM_ADDR & ~31)@h
        ori     r3, r3, (CONFIG_SYS_INIT_RAM_ADDR & ~31)@l
-       li      r4, ((CONFIG_SYS_INIT_RAM_END & ~31) + \
+       li      r4, ((CONFIG_SYS_INIT_RAM_SIZE & ~31) + \
                     (CONFIG_SYS_INIT_RAM_ADDR & 31) + 31) / 32
        mtctr   r4
 1:
@@ -1092,7 +1091,7 @@ unlock_ram_in_cache:
        /* invalidate the INIT_RAM section */
        lis     r3, (CONFIG_SYS_INIT_RAM_ADDR & ~31)@h
        ori     r3, r3, (CONFIG_SYS_INIT_RAM_ADDR & ~31)@l
-       li      r4, ((CONFIG_SYS_INIT_RAM_END & ~31) + \
+       li      r4, ((CONFIG_SYS_INIT_RAM_SIZE & ~31) + \
                     (CONFIG_SYS_INIT_RAM_ADDR & 31) + 31) / 32
        mtctr   r4
 1:     icbi    r0, r3
@@ -1155,6 +1154,10 @@ map_flash_by_law1:
        bne 1b
 
        stw r4, LBLAWAR1(r3) /* LBLAWAR1 <= 8MB Flash Size */
+       /* Wait for HW to catch up */
+       lwz r4, LBLAWAR1(r3)
+       twi 0,r4,0
+       isync
        blr
 
        /* Though all the LBIU Local Access Windows and LBC Banks will be
@@ -1193,5 +1196,9 @@ remap_flash_by_law0:
        xor r4, r4, r4
        stw r4, LBLAWBAR1(r3)
        stw r4, LBLAWAR1(r3) /* Off LBIU LAW1 */
+       /* Wait for HW to catch up */
+       lwz r4, LBLAWAR1(r3)
+       twi 0,r4,0
+       isync
        blr
 #endif /* CONFIG_SYS_FLASHBOOT */