An On-chip SRAM is available at address 0x00300000 on all SAM9x variants, so let's define a macro that sets up the stack to grow down from its end. This will be useful for first stage barebox running without previously setup stack.
Signed-off-by: Ahmad Fatoum <[email protected]> --- v3: - new patch --- include/mach/at91/barebox-arm.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/mach/at91/barebox-arm.h b/include/mach/at91/barebox-arm.h index f82b82ebed8b..652fd283a0af 100644 --- a/include/mach/at91/barebox-arm.h +++ b/include/mach/at91/barebox-arm.h @@ -6,6 +6,7 @@ #include <asm/common.h> #include <mach/at91/sama5d3.h> #include <mach/at91/sama5d4.h> +#include <mach/at91/at91sam9261.h> #ifdef CONFIG_AT91_LOAD_BAREBOX_SRAM #define AT91_EXV6 ".word _barebox_image_size\n" @@ -68,6 +69,10 @@ static __always_inline void __barebox_at91_head(void) #define SAMA5D4_ENTRY_FUNCTION(name, r4) \ SAMA5_ENTRY_FUNCTION(name, SAMA5D4_SRAM_BASE + SAMA5D4_SRAM_SIZE, r4) +#define SAM9_ENTRY_FUNCTION(name) \ + ENTRY_FUNCTION_WITHSTACK_HEAD(name, AT91SAM9261_SRAM_BASE + AT91SAM9261_SRAM_SIZE, \ + __barebox_at91_head, r0, r1, r2) + #define AT91_ENTRY_FUNCTION(fn, r0, r1, r2) \ ENTRY_FUNCTION_WITHSTACK_HEAD(fn, 0, __barebox_at91_head, r0, r1, r2) -- 2.39.2
