Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / taskit / stamp9g20 / led.c

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 (file)
index 0000000..c583125
--- /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();
+       }
+}