diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/taskit/stamp9g20/led.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/taskit/stamp9g20/led.c')
-rw-r--r-- | qemu/roms/u-boot/board/taskit/stamp9g20/led.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/taskit/stamp9g20/led.c b/qemu/roms/u-boot/board/taskit/stamp9g20/led.c new file mode 100644 index 000000000..c5831258b --- /dev/null +++ b/qemu/roms/u-boot/board/taskit/stamp9g20/led.c @@ -0,0 +1,122 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * Tom Rix <Tom.Rix@windriver.com> + * (C) Copyright 2009 + * Eric Benard <eric@eukrea.com> + * + * (C) Copyright 2012 + * Markus Hubig <mhubig@imko.de> + * IMKO GmbH <www.imko.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/gpio.h> +#include <asm/arch/at91_pmc.h> +#include <status_led.h> + +static unsigned int saved_state[3] = {STATUS_LED_OFF, + STATUS_LED_OFF, STATUS_LED_OFF}; + +void coloured_LED_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + /* Enable the clock */ + writel(ATMEL_ID_PIOC, &pmc->pcer); + + at91_set_gpio_output(CONFIG_RED_LED, 1); + at91_set_gpio_output(CONFIG_GREEN_LED, 1); + at91_set_gpio_output(CONFIG_YELLOW_LED, 1); + + at91_set_gpio_value(CONFIG_RED_LED, 0); + at91_set_gpio_value(CONFIG_GREEN_LED, 1); + at91_set_gpio_value(CONFIG_YELLOW_LED, 0); +} + +void red_led_on(void) +{ + at91_set_gpio_value(CONFIG_RED_LED, 1); + saved_state[STATUS_LED_RED] = STATUS_LED_ON; +} + +void red_led_off(void) +{ + at91_set_gpio_value(CONFIG_RED_LED, 0); + saved_state[STATUS_LED_RED] = STATUS_LED_OFF; +} + +void green_led_on(void) +{ + at91_set_gpio_value(CONFIG_GREEN_LED, 1); + saved_state[STATUS_LED_GREEN] = STATUS_LED_ON; +} + +void green_led_off(void) +{ + at91_set_gpio_value(CONFIG_GREEN_LED, 0); + saved_state[STATUS_LED_GREEN] = STATUS_LED_OFF; +} + +void yellow_led_on(void) +{ + at91_set_gpio_value(CONFIG_YELLOW_LED, 1); + saved_state[STATUS_LED_YELLOW] = STATUS_LED_ON; +} + +void yellow_led_off(void) +{ + at91_set_gpio_value(CONFIG_YELLOW_LED, 0); + saved_state[STATUS_LED_YELLOW] = STATUS_LED_OFF; +} + +void __led_init(led_id_t mask, int state) +{ + __led_set(mask, state); +} + +void __led_toggle(led_id_t mask) +{ + if (STATUS_LED_RED == mask) { + if (STATUS_LED_ON == saved_state[STATUS_LED_RED]) + red_led_off(); + else + red_led_on(); + + } else if (STATUS_LED_GREEN == mask) { + if (STATUS_LED_ON == saved_state[STATUS_LED_GREEN]) + green_led_off(); + else + green_led_on(); + + } else if (STATUS_LED_YELLOW == mask) { + if (STATUS_LED_ON == saved_state[STATUS_LED_YELLOW]) + yellow_led_off(); + else + yellow_led_on(); + } +} + +void __led_set(led_id_t mask, int state) +{ + if (STATUS_LED_RED == mask) { + if (STATUS_LED_ON == state) + red_led_on(); + else + red_led_off(); + + } else if (STATUS_LED_GREEN == mask) { + if (STATUS_LED_ON == state) + green_led_on(); + else + green_led_off(); + + } else if (STATUS_LED_YELLOW == mask) { + if (STATUS_LED_ON == state) + yellow_led_on(); + else + yellow_led_off(); + } +} |