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-rw-r--r--include/configs/am65x_evm.h67
1 files changed, 57 insertions, 10 deletions
diff --git a/include/configs/am65x_evm.h b/include/configs/am65x_evm.h
index b043bf886b..1415bb1b15 100644
--- a/include/configs/am65x_evm.h
+++ b/include/configs/am65x_evm.h
@@ -19,6 +19,32 @@
#define CONFIG_SYS_SDRAM_BASE1 0x880000000
/* SPL Loader Configuration */
+#ifdef CONFIG_TARGET_AM654_A53_EVM
+#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SPL_TEXT_BASE + \
+ CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE)
+#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
+ * our memory footprint. The less we use for BSS the more we have available
+ * for everything else.
+ */
+#define CONFIG_SPL_BSS_MAX_SIZE 0x5000
+/*
+ * Link BSS to be within SPL in a dedicated region located near the top of
+ * the MCU SRAM, this way making it available also before relocation. Note
+ * that we are not using the actual top of the MCU SRAM as there is a memory
+ * location filled in by the boot ROM that we want to read out without any
+ * interference from the C context.
+ */
+#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
#ifdef CONFIG_SYS_K3_SPL_ATF
#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "tispl.bin"
@@ -29,26 +55,26 @@
#endif
#define CONFIG_SPL_MAX_SIZE CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
-#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SPL_TEXT_BASE + \
- CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE - 4)
#define CONFIG_SYS_BOOTM_LEN SZ_64M
+#define PARTS_DEFAULT \
+ /* Linux partitions */ \
+ "name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0"
+
/* U-Boot general configuration */
#define EXTRA_ENV_AM65X_BOARD_SETTINGS \
"findfdt=" \
- "if test $board_name = am65x; then " \
- "setenv name_fdt k3-am654-base-board.dtb; " \
- "else if test $name_fdt = undefined; then " \
- "echo WARNING: Could not determine device tree to use;"\
- "fi; fi; " \
- "setenv fdtfile ${name_fdt}\0" \
+ "setenv name_fdt k3-am654-base-board.dtb;" \
+ "setenv fdtfile ${name_fdt};" \
+ "setenv overlay_files ${name_overlays}\0" \
"loadaddr=0x80080000\0" \
"fdtaddr=0x82000000\0" \
+ "overlayaddr=0x83000000\0" \
"name_kern=Image\0" \
"console=ttyS2,115200n8\0" \
"args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000\0" \
- "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0"
+ "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0" \
/* U-Boot MMC-specific configuration */
#define EXTRA_ENV_AM65X_BOARD_SETTINGS_MMC \
@@ -59,8 +85,17 @@
"rd_spec=-\0" \
"init_mmc=run args_all args_mmc\0" \
"get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${name_fdt}\0" \
+ "get_overlay_mmc=" \
+ "fdt address ${fdtaddr};" \
+ "fdt resize 0x100000;" \
+ "for overlay in $overlay_files;" \
+ "do;" \
+ "load mmc ${bootpart} ${overlayaddr} ${bootdir}/${overlay};" \
+ "fdt apply ${overlayaddr};" \
+ "done;\0" \
"get_kern_mmc=load mmc ${bootpart} ${loadaddr} " \
- "${bootdir}/${name_kern}\0"
+ "${bootdir}/${name_kern}\0" \
+ "partitions=" PARTS_DEFAULT
/* Incorporate settings into the U-Boot environment */
#define CONFIG_EXTRA_ENV_SETTINGS \
@@ -68,6 +103,18 @@
EXTRA_ENV_AM65X_BOARD_SETTINGS \
EXTRA_ENV_AM65X_BOARD_SETTINGS_MMC
+/* MMC ENV related defines */
+#ifdef CONFIG_ENV_IS_IN_MMC
+#define CONFIG_SYS_MMC_ENV_DEV 0
+#define CONFIG_SYS_MMC_ENV_PART 1
+#define CONFIG_ENV_SIZE (128 << 10)
+#define CONFIG_ENV_OFFSET 0x680000
+#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
+#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+#endif
+
+#define CONFIG_SUPPORT_EMMC_BOOT
+
/* Now for the remaining common defines */
#include <configs/ti_armv7_common.h>