avr32: use generic gd->start_addr_sp

Before avr32 had an extra storage for stack end to have a nice stack printout
on exception. Remove this extra storage and use generic gd->start_addr_sp
instead.

Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>

diff --git a/arch/avr32/cpu/exception.c b/arch/avr32/cpu/exception.c
index 5d1bc68..d6991f6 100644 (file)
--- a/arch/avr32/cpu/exception.c
+++ b/arch/avr32/cpu/exception.c
@@ -96,11 +96,11 @@ 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 < (gd->arch.stack_end - CONFIG_STACKSIZE)
-                       || regs->sp >= gd->arch.stack_end)
+       if (regs->sp < (gd->start_addr_sp - CONFIG_STACKSIZE) ||
+           regs->sp >= gd->start_addr_sp)
                printf("\nStack pointer seems bogus, won't do stack dump\n");
        else
-               dump_mem("\nStack: ", regs->sp, gd->arch.stack_end);
+               dump_mem("\nStack: ", regs->sp, gd->start_addr_sp);
 
        panic("Unhandled exception\n");
 }

diff --git a/arch/avr32/include/asm/global_data.h b/arch/avr32/include/asm/global_data.h
index d82fb7c..60abd00 100644 (file)
--- a/arch/avr32/include/asm/global_data.h
+++ b/arch/avr32/include/asm/global_data.h
@@ -8,7 +8,6 @@
 
 /* Architecture-specific global data */
 struct arch_global_data {
-       unsigned long stack_end;        /* highest stack address */
        unsigned long cpu_hz;           /* cpu core clock frequency */
 };
 

diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c
index 13b7fed..99aa96e 100644 (file)
--- a/arch/avr32/lib/board.c
+++ b/arch/avr32/lib/board.c
@@ -157,7 +157,7 @@ void board_init_f(ulong board_type)
 
        /* And finally, a new, bigger stack. */
        new_sp = (unsigned long *)addr;
-       gd->arch.stack_end = addr;
+       gd->start_addr_sp = addr;
        *(--new_sp) = 0;
        *(--new_sp) = 0;