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AVR32: Relocate u-boot to SDRAM

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Relocate the u-boot image into SDRAM like everyone else does. This
means that we can handle much larger .data and .bss than we used to.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
This commit is contained in:
Haavard Skinnemoen
2006-11-20 15:53:10 +01:00
parent df548d3c3e
commit 1f4f2121c2
9 changed files with 218 additions and 68 deletions
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7
cpu/at32ap/exception.c
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@@ -24,6 +24,8 @@
#include <asm/sysreg.h>
#include <asm/ptrace.h>
DECLARE_GLOBAL_DATA_PTR;
static const char * const cpu_modes[8] = {
"Application", "Supervisor", "Interrupt level 0", "Interrupt level 1",
"Interrupt level 2", "Interrupt level 3", "Exception", "NMI"
@@ -109,11 +111,10 @@ void do_unknown_exception(unsigned int ecr, struct pt_regs *regs)
printf("CPU Mode: %s\n", cpu_modes[mode]);
/* Avoid exception loops */
if (regs->sp >= CFG_INIT_SP_ADDR
|| regs->sp < (CFG_INIT_SP_ADDR - CONFIG_STACKSIZE))
if (regs->sp < CFG_SDRAM_BASE || regs->sp >= gd->stack_end)
printf("\nStack pointer seems bogus, won't do stack dump\n");
else
dump_mem("\nStack: ", regs->sp, CFG_INIT_SP_ADDR);
dump_mem("\nStack: ", regs->sp, gd->stack_end);
panic("Unhandled exception\n");
}