#include <config.h>
#include <version.h>
#include <asm/global_data.h>
+#include <asm/post.h>
#include <asm/processor.h>
#include <asm/processor-flags.h>
#include <generated/generic-asm-offsets.h>
jmp early_board_init
.globl early_board_init_ret
early_board_init_ret:
+ post_code(POST_START)
/* Initialise Cache-As-RAM */
jmp car_init
* We now have CONFIG_SYS_CAR_SIZE bytes of Cache-As-RAM (or SRAM,
* or fully initialised SDRAM - we really don't care which)
* starting at CONFIG_SYS_CAR_ADDR to be used as a temporary stack
- * and early malloc area.
+ * and early malloc area. The MRC requires some space at the top.
*
* Stack grows down from top of CAR. We have:
*
* top-> CONFIG_SYS_CAR_ADDR + CONFIG_SYS_CAR_SIZE
+ * MRC area
* global_data
* x86 global descriptor table
* early malloc area
* stack
* bottom-> CONFIG_SYS_CAR_ADDR
*/
-
- /* Stack grows down from top of CAR */
- movl $(CONFIG_SYS_CAR_ADDR + CONFIG_SYS_CAR_SIZE), %esp
+ movl $(CONFIG_SYS_CAR_ADDR + CONFIG_SYS_CAR_SIZE - 4), %esp
+#ifdef CONFIG_DCACHE_RAM_MRC_VAR_SIZE
+ subl $CONFIG_DCACHE_RAM_MRC_VAR_SIZE, %esp
+#endif
/* Reserve space on stack for global data */
subl $GENERATED_GBL_DATA_SIZE, %esp
/* Align global data to 16-byte boundary */
andl $0xfffffff0, %esp
+ post_code(POST_START_STACK)
/* Zero the global data since it won't happen later */
xorl %eax, %eax
call setup_gdt
/* Set parameter to board_init_f() to boot flags */
+ post_code(POST_START_DONE)
xorl %eax, %eax
/* Enter, U-boot! */