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-rw-r--r--board/ti/am335x/board.c9
-rw-r--r--include/configs/am335x_evm.h30
2 files changed, 36 insertions, 3 deletions
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index ebddf0c..73bf853 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -297,6 +297,15 @@ static struct emif_regs ddr3_evm_emif_reg_data = {
.emif_ddr_phy_ctlr_1 = MT41J512M8RH125_EMIF_READ_LATENCY |
PHY_EN_DYN_PWRDN,
};
+
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_start_uboot(void)
+{
+ /* break into full u-boot on 'c' */
+ return (serial_tstc() && serial_getc() == 'c');
+}
+#endif
+
#endif
/*
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index cd2c078..737e19e 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -314,13 +314,36 @@
#define CONFIG_SPL_MAX_SIZE (0x4030C000 - CONFIG_SPL_TEXT_BASE)
#define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR
-#define CONFIG_SPL_BSS_START_ADDR 0x80000000
+#define CONFIG_SPL_OS_BOOT
+
+#define CONFIG_SPL_BSS_START_ADDR 0x80a00000
#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
#define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1
#define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
+
+#ifdef CONFIG_SPL_OS_BOOT
+/* fat */
+#define CONFIG_SPL_FAT_LOAD_KERNEL_NAME "uImage"
+#define CONFIG_SPL_FAT_LOAD_ARGS_NAME "args"
+#define CONFIG_SYS_SPL_ARGS_ADDR (PHYS_DRAM_1 + 0x100)
+
+/* raw mmc */
+#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x500 /* address 0xa0000 */
+#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x8 /* address 0x1000 */
+#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 8 /* 4KB */
+
+/* nand */
+#define CONFIG_CMD_SPL_NAND_OFS 0x240000 /* end of u-boot */
+#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000
+#define CONFIG_CMD_SPL_WRITE_SIZE 0x1000
+
+/* spl export command */
+#define CONFIG_CMD_SPL
+#endif
+
#define CONFIG_SPL_MMC_SUPPORT
#define CONFIG_SPL_FAT_SUPPORT
#define CONFIG_SPL_I2C_SUPPORT
@@ -378,7 +401,7 @@
* other needs.
*/
#define CONFIG_SYS_TEXT_BASE 0x80800000
-#define CONFIG_SYS_SPL_MALLOC_START 0x80208000
+#define CONFIG_SYS_SPL_MALLOC_START 0x80a08000
#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000
/* Since SPL did pll and ddr initialization for us,
@@ -474,7 +497,8 @@
#define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \
"128k(SPL.backup1)," \
"128k(SPL.backup2)," \
- "128k(SPL.backup3),1920k(u-boot)," \
+ "128k(SPL.backup3),1792k(u-boot)," \
+ "128k(u-boot-spl-os)," \
"128k(u-boot-env),5m(kernel),-(rootfs)"
#define CONFIG_NAND_OMAP_GPMC
#define GPMC_NAND_ECC_LP_x16_LAYOUT 1