[U-Boot] [PATCH 06/10] mx23_olinuxino: Add support for status LED

Otavio Salvador
2013-01-30T12:13:17Z

This allow user to know if the bootloader is running, even without a
serial console.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
---
board/olimex/mx23_olinuxino/mx23_olinuxino.c | 7 +++++++
board/olimex/mx23_olinuxino/spl_boot.c | 4 ++++
include/configs/mx23_olinuxino.h | 12 ++++++++++++
3 files changed, 23 insertions(+)

diff --git a/board/olimex/mx23_olinuxino/mx23_olinuxino.c b/board/olimex/mx23_olinuxino/mx23_olinuxino.c
index 6a6053b..2501417 100644
--- a/board/olimex/mx23_olinuxino/mx23_olinuxino.c
+++ b/board/olimex/mx23_olinuxino/mx23_olinuxino.c
@@ -28,6 +28,9 @@
#include <asm/arch/imx-regs.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
+#ifdef CONFIG_STATUS_LED
+#include <status_led.h>
+#endif

DECLARE_GLOBAL_DATA_PTR;

@@ -67,5 +70,9 @@ int board_init(void)
/* Adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;

+#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
+ status_led_set(STATUS_LED_BOOT, STATUS_LED_STATE);
+#endif
+
return 0;
}
diff --git a/board/olimex/mx23_olinuxino/spl_boot.c b/board/olimex/mx23_olinuxino/spl_boot.c
index 7def8bc..3bbf5ad 100644
--- a/board/olimex/mx23_olinuxino/spl_boot.c
+++ b/board/olimex/mx23_olinuxino/spl_boot.c
@@ -84,6 +84,10 @@ const iomux_cfg_t iomux_setup[] = {
MX23_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI,
MX23_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI,

+ /* Green LED */
+ MX23_PAD_SSP1_DETECT__GPIO_2_1 |
+ (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL),
+
/* MMC 0 */
MX23_PAD_SSP1_CMD__SSP1_CMD | MUX_CONFIG_SSP,
MX23_PAD_SSP1_DATA0__SSP1_DATA0 | MUX_CONFIG_SSP,
diff --git a/include/configs/mx23_olinuxino.h b/include/configs/mx23_olinuxino.h
index 7983c5d..968aec8 100644
--- a/include/configs/mx23_olinuxino.h
+++ b/include/configs/mx23_olinuxino.h
@@ -56,6 +56,7 @@
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_FAT
#define CONFIG_CMD_GPIO
+#define CONFIG_CMD_LED
#define CONFIG_CMD_MMC

/*
@@ -112,6 +113,17 @@
#define CONFIG_BAUDRATE 115200 /* Default baud rate */

/*
+ * Status LED
+ */
+#define CONFIG_STATUS_LED
+#define CONFIG_GPIO_LED
+#define CONFIG_BOARD_SPECIFIC_LED
+#define STATUS_LED_BOOT 0
+#define STATUS_LED_BIT 10
+#define STATUS_LED_STATE STATUS_LED_ON
+#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
+
+/*
* MMC Driver
*/
#ifdef CONFIG_CMD_MMC
--
1.8.1