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OMAP3: igep00x0: add boot status GPIO LED

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This patch adds an GPIO LED boot status for IGEP boards.

The GPIO LED used is the red LED0 while the Linux kernel
uses the green LED0 as the boot status.

By using different GPIO LEDs, the user can know in which
step of the boot process the board currently is.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
This commit is contained in:
Javier Martinez Canillas 2012-12-27 03:36:01 +00:00 committed by Tom Rini
parent 77eea28074
commit 9d4f542123
3 changed files with 24 additions and 0 deletions
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13
board/isee/igep00x0/igep00x0.c
View File

@ -60,6 +60,19 @@ int board_init(void)
return 0;
}
#if defined(CONFIG_SHOW_BOOT_PROGRESS) && !defined(CONFIG_SPL_BUILD)
void show_boot_progress(int val)
{
if (val < 0) {
/* something went wrong */
return;
}
if (!gpio_request(IGEP00X0_GPIO_LED, ""))
gpio_direction_output(IGEP00X0_GPIO_LED, 1);
}
#endif
#ifdef CONFIG_SPL_BUILD
/*
* Routine: omap_rev_string

8
board/isee/igep00x0/igep00x0.h
View File

@ -23,6 +23,14 @@
#ifndef _IGEP00X0_H_
#define _IGEP00X0_H_
#if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0020)
#define IGEP00X0_GPIO_LED 27
#endif
#if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0030)
#define IGEP00X0_GPIO_LED 16
#endif
const omap3_sysinfo sysinfo = {
DDR_STACKED,
#if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0020)

3
include/configs/igep00x0.h
View File

@ -85,6 +85,9 @@
#define CONFIG_OMAP_HSMMC 1
#define CONFIG_DOS_PARTITION 1
/* define to enable boot progress via leds */
#define CONFIG_SHOW_BOOT_PROGRESS
/* USB */
#define CONFIG_MUSB_UDC 1
#define CONFIG_USB_OMAP3 1