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-rw-r--r--board/ti/beagle_x15/board.c23
-rw-r--r--include/configs/beagle_x15.h2
2 files changed, 25 insertions, 0 deletions
diff --git a/board/ti/beagle_x15/board.c b/board/ti/beagle_x15/board.c
index b6c17ec83f..c7f19c7924 100644
--- a/board/ti/beagle_x15/board.c
+++ b/board/ti/beagle_x15/board.c
@@ -14,6 +14,8 @@
#include <usb.h>
#include <asm/omap_common.h>
#include <asm/emif.h>
+#include <asm/gpio.h>
+#include <asm/arch/gpio.h>
#include <asm/arch/clock.h>
#include <asm/arch/dra7xx_iodelay.h>
#include <asm/arch/sys_proto.h>
@@ -30,6 +32,9 @@
DECLARE_GLOBAL_DATA_PTR;
+/* GPIO 7_11 */
+#define GPIO_DDR_VTT_EN 203
+
const struct omap_sysinfo sysinfo = {
"Board: BeagleBoard x15\n"
};
@@ -404,3 +409,21 @@ int board_eth_init(bd_t *bis)
return ret;
}
#endif
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+/* VTT regulator enable */
+static inline void vtt_regulator_enable(void)
+{
+ if (omap_hw_init_context() == OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL)
+ return;
+
+ gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
+ gpio_direction_output(GPIO_DDR_VTT_EN, 1);
+}
+
+int board_early_init_f(void)
+{
+ vtt_regulator_enable();
+ return 0;
+}
+#endif
diff --git a/include/configs/beagle_x15.h b/include/configs/beagle_x15.h
index 8d072c6ed0..c5dde99f5f 100644
--- a/include/configs/beagle_x15.h
+++ b/include/configs/beagle_x15.h
@@ -18,6 +18,8 @@
#define CONFIG_IODELAY_RECALIBRATION
#endif
+#define CONFIG_BOARD_EARLY_INIT_F
+
#define CONFIG_NR_DRAM_BANKS 2
#define CONFIG_ENV_SIZE (64 << 10)