On Thu, Mar 02, 2017 at 01:04:13PM -0600, Franklin S Cooper Jr wrote:
Scratch space can be used for features such as board detection. Define an area within SRAM that can be used for this purpose.
Signed-off-by: Franklin S Cooper Jr fcooper@ti.com Signed-off-by: Roger Quadros rogerq@ti.com
include/configs/ti_armv7_keystone2.h | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/include/configs/ti_armv7_keystone2.h b/include/configs/ti_armv7_keystone2.h index 5d4ef58..f76e0a5 100644 --- a/include/configs/ti_armv7_keystone2.h +++ b/include/configs/ti_armv7_keystone2.h @@ -55,6 +55,13 @@ #define CONFIG_SPL_SPI_LOAD #define CONFIG_SYS_SPI_U_BOOT_OFFS CONFIG_SPL_PAD_TO
+/* SRAM scratch space entries */ +#define SRAM_SCRATCH_SPACE_ADDR CONFIG_SPL_STACK + 0x8
+#define TI_SRAM_SCRATCH_BOARD_EEPROM_START (SRAM_SCRATCH_SPACE_ADDR) +#define TI_SRAM_SCRATCH_BOARD_EEPROM_END (SRAM_SCRATCH_SPACE_ADDR + 0x200) +#define KEYSTONE_SRAM_SCRATCH_SPACE_END (TI_SRAM_SCRATCH_BOARD_EEPROM_END)
Lets start figuring out a better place for this information that's not in include/configs/ so that when these files go away there'll be one less thing to worry about. There must be some reasonable <asm/arch/xxxx> file that's common to all of the various platforms already to place this in. Thanks!