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authorKamlesh Gurudasani <kamlesh@ti.com>2023-03-02 19:40:47 +0530
committerTom Rini <trini@konsulko.com>2023-03-22 12:51:10 -0400
commite8dd3044741a7105ce41bb587e2517ae0156b954 (patch)
tree053359c02040facaea76eae2e49e281c0ac964db
parentd3882531c34d92e619f3aa30c6aa439c8ea732a7 (diff)
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configs: am62: move stack and heap to HSM RAM
On high security devices, ROM enables firewalls to protect the OCSRAM region access during bootup. Only after TIFS has started (and had time to disable the OCSRAM firewall region) will we have write access to the region. This means we will need to move the stack & heap from OCSRAM to HSM RAM and reduce the size of BSS and the SPL to allow it to fit properly. To protect us from overflowing our ~256k of HSM SRAM, add limits and check during the wakeup SPL build. Signed-off-by: Kamlesh Gurudasani <kamlesh@ti.com>
-rw-r--r--configs/am62x_evm_r5_defconfig16
1 files changed, 11 insertions, 5 deletions
diff --git a/configs/am62x_evm_r5_defconfig b/configs/am62x_evm_r5_defconfig
index 4f9ecf2..44a9130 100644
--- a/configs/am62x_evm_r5_defconfig
+++ b/configs/am62x_evm_r5_defconfig
@@ -8,7 +8,7 @@ CONFIG_NR_DRAM_BANKS=2
CONFIG_SOC_K3_AM625=y
CONFIG_TARGET_AM625_R5_EVM=y
CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
-CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x7000ffff
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x43c3a7f0
CONFIG_ENV_SIZE=0x20000
CONFIG_DM_GPIO=y
CONFIG_SPL_DM_SPI=y
@@ -19,7 +19,9 @@ CONFIG_SPL_MMC=y
CONFIG_SPL_SERIAL=y
CONFIG_SPL_DRIVERS_MISC=y
CONFIG_SPL_STACK_R_ADDR=0x82000000
-CONFIG_SPL_SIZE_LIMIT=0x40000
+CONFIG_SPL_SYS_MALLOC_F_LEN=0x7000
+CONFIG_SPL_SIZE_LIMIT=0x3A7F0
+CONFIG_SPL_SIZE_LIMIT_PROVIDE_STACK=0x3500
CONFIG_SPL_FS_FAT=y
CONFIG_SPL_LIBDISK_SUPPORT=y
CONFIG_SPL_SPI_FLASH_SUPPORT=y
@@ -28,10 +30,14 @@ CONFIG_SPL_LOAD_FIT=y
CONFIG_SPL_LOAD_FIT_ADDRESS=0x80080000
CONFIG_SPL_FIT_IMAGE_POST_PROCESS=y
# CONFIG_DISPLAY_CPUINFO is not set
-CONFIG_SPL_MAX_SIZE=0x58000
+CONFIG_SPL_SIZE_LIMIT_SUBTRACT_GD=y
+CONFIG_SPL_SIZE_LIMIT_SUBTRACT_MALLOC=y
+CONFIG_SPL_MAX_SIZE=0x3B000
+CONFIG_SPL_PAD_TO=0x0
CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
-CONFIG_SPL_BSS_START_ADDR=0x43c37800
-CONFIG_SPL_BSS_MAX_SIZE=0x5000
+CONFIG_SPL_BSS_START_ADDR=0x43c3b000
+CONFIG_SPL_BSS_MAX_SIZE=0x3000
+CONFIG_SPL_SYS_REPORT_STACK_F_USAGE=y
CONFIG_SPL_SYS_MALLOC_SIMPLE=y
CONFIG_SPL_STACK_R=y
CONFIG_SPL_SEPARATE_BSS=y