Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / ti / beagle / led.c

diff --git a/qemu/roms/u-boot/board/ti/beagle/led.c b/qemu/roms/u-boot/board/ti/beagle/led.c
new file mode 100644 (file)
index 0000000..89b8dd3
--- /dev/null
+++ b/qemu/roms/u-boot/board/ti/beagle/led.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2010 Texas Instruments, Inc.
+ * Jason Kridner <jkridner@beagleboard.org>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+#include <common.h>
+#include <status_led.h>
+#include <asm/arch/cpu.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+
+/* GPIO pins for the LEDs */
+#define BEAGLE_LED_USR0        150
+#define BEAGLE_LED_USR1        149
+
+#ifdef STATUS_LED_GREEN
+void green_led_off(void)
+{
+       __led_set (STATUS_LED_GREEN, 0);
+}
+
+void green_led_on(void)
+{
+       __led_set (STATUS_LED_GREEN, 1);
+}
+#endif
+
+void __led_init (led_id_t mask, int state)
+{
+       __led_set (mask, state);
+}
+
+void __led_toggle (led_id_t mask)
+{
+       int state, toggle_gpio = 0;
+#ifdef STATUS_LED_BIT
+       if (!toggle_gpio && STATUS_LED_BIT & mask)
+               toggle_gpio = BEAGLE_LED_USR0;
+#endif
+#ifdef STATUS_LED_BIT1
+       if (!toggle_gpio && STATUS_LED_BIT1 & mask)
+               toggle_gpio = BEAGLE_LED_USR1;
+#endif
+       if (toggle_gpio) {
+               if (!gpio_request(toggle_gpio, "")) {
+                       gpio_direction_output(toggle_gpio, 0);
+                       state = gpio_get_value(toggle_gpio);
+                       gpio_set_value(toggle_gpio, !state);
+               }
+       }
+}
+
+void __led_set (led_id_t mask, int state)
+{
+#ifdef STATUS_LED_BIT
+       if (STATUS_LED_BIT & mask) {
+               if (!gpio_request(BEAGLE_LED_USR0, "")) {
+                       gpio_direction_output(BEAGLE_LED_USR0, 0);
+                       gpio_set_value(BEAGLE_LED_USR0, state);
+               }
+       }
+#endif
+#ifdef STATUS_LED_BIT1
+       if (STATUS_LED_BIT1 & mask) {
+               if (!gpio_request(BEAGLE_LED_USR1, "")) {
+                       gpio_direction_output(BEAGLE_LED_USR1, 0);
+                       gpio_set_value(BEAGLE_LED_USR1, state);
+               }
+       }
+#endif
+}