[PATCH 06/18] include: configs: am64x: Avoid overlap of BSS and stack area
Lokesh Vutla
lokeshvutla at ti.com
Thu May 6 13:14:53 CEST 2021
Avoid R5 SPL stack writing into ROM index table. Re-use the same space
for storing EEPROM data.
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
include/configs/am64x_evm.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/configs/am64x_evm.h b/include/configs/am64x_evm.h
index 99c779b584..5d756b409d 100644
--- a/include/configs/am64x_evm.h
+++ b/include/configs/am64x_evm.h
@@ -25,8 +25,10 @@
#endif
#define CONFIG_SPL_MAX_SIZE CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
+#if defined(CONFIG_TARGET_AM642_A53_EVM)
#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SPL_TEXT_BASE + \
CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE - 4)
+#else
/*
* Maximum size in memory allocated to the SPL BSS. Keep it as tight as
* possible (to allow the build to go through), as this directly affects
@@ -43,9 +45,12 @@
*/
#define CONFIG_SPL_BSS_START_ADDR (CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX -\
CONFIG_SPL_BSS_MAX_SIZE)
+/* Set the stack right below the SPL BSS section */
+#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SPL_BSS_START_ADDR
/* Configure R5 SPL post-relocation malloc pool in DDR */
#define CONFIG_SYS_SPL_MALLOC_START 0x84000000
#define CONFIG_SYS_SPL_MALLOC_SIZE SZ_16M
+#endif
#define PARTS_DEFAULT \
/* Linux partitions */ \
--
2.30.0
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