summaryrefslogtreecommitdiffstats
path: root/qemu/roms/u-boot/board/taskit/stamp9g20/led.c
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/roms/u-boot/board/taskit/stamp9g20/led.c')
-rw-r--r--qemu/roms/u-boot/board/taskit/stamp9g20/led.c122
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();
+ }
+}