Signed-off-by: Stefano Babic <sba...@denx.de>
CC: Tom Rini <tom.r...@gmail.com>
CC: Wolfgang Denk <w...@denx.de>
CC: Simon Schwarz <simonschwarz...@gmail.com>
---
board/technexion/twister/twister.c | 23 +++++++++++++++++++++++
include/configs/twister.h | 12 ++++++++++++
2 files changed, 35 insertions(+), 0 deletions(-)
diff --git a/board/technexion/twister/twister.c
b/board/technexion/twister/twister.c
index 06fac7b..4d34d24 100644
--- a/board/technexion/twister/twister.c
+++ b/board/technexion/twister/twister.c
@@ -114,3 +114,26 @@ int board_mmc_init(bd_t *bis)
return omap_mmc_init(0);
}
#endif
+
+#ifdef CONFIG_SPL_OS_BOOT
+/*
+ * Do board specific preperation before SPL
+ * Linux boot
+ */
+void spl_board_prepare_for_linux(void)
+{
+ /* init cs for extern lan */
+ enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5],
+ CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
+}
+int spl_start_uboot(void)
+{
+ int val = 0;
+ if (!gpio_request(CONFIG_SPL_OS_BOOT_KEY, "U-Boot key")) {
+ gpio_direction_input(CONFIG_SPL_OS_BOOT_KEY);
+ val = gpio_get_value(CONFIG_SPL_OS_BOOT_KEY);
+ gpio_free(CONFIG_SPL_OS_BOOT_KEY);
+ }
+ return val;
+}
+#endif
diff --git a/include/configs/twister.h b/include/configs/twister.h
index 64a886d..a852481 100644
--- a/include/configs/twister.h
+++ b/include/configs/twister.h
@@ -51,4 +51,16 @@
#define CONFIG_EXTRA_ENV_SETTINGS CONFIG_TAM3517_SETTINGS \
"bootcmd=run nandboot\0"
+/* SPL OS boot options */
+#define CONFIG_CMD_SPL
+#define CONFIG_CMD_SPL_WRITE_SIZE 0x400 /* 1024 byte */
+#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000
+#define CONFIG_CMD_SPL_NAND_OFS (CONFIG_SYS_NAND_SPL_KERNEL_OFFS+\
+ 0x600000)
+#define CONFIG_SPL_OS_BOOT
+#define CONFIG_SPL_OS_BOOT_KEY 55
+
+#define CONFIG_SYS_SPL_ARGS_ADDR (PHYS_SDRAM_1 + 0x100)
+#define CONFIG_SPL_BOARD_INIT
+
#endif /* __CONFIG_H */
--
1.7.5.4
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