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Diffstat (limited to 'qemu/roms/u-boot/board/atmel/at91rm9200ek/led.c')
-rw-r--r--qemu/roms/u-boot/board/atmel/at91rm9200ek/led.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/atmel/at91rm9200ek/led.c b/qemu/roms/u-boot/board/atmel/at91rm9200ek/led.c
new file mode 100644
index 000000000..2298e3619
--- /dev/null
+++ b/qemu/roms/u-boot/board/atmel/at91rm9200ek/led.c
@@ -0,0 +1,73 @@
+/*
+ * (C) Copyright 2006
+ * Atmel Nordic AB <www.atmel.com>
+ * Ulf Samuelsson <ulf@atmel.com>
+ *
+ * (C) Copyright 2010
+ * Andreas Bießmann <andreas.devel@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_pio.h>
+
+/* bit mask in PIO port B */
+#define GREEN_LED (1<<0)
+#define YELLOW_LED (1<<1)
+#define RED_LED (1<<2)
+
+void green_led_on(void)
+{
+ at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+ writel(GREEN_LED, &pio->piob.codr);
+}
+
+void yellow_led_on(void)
+{
+ at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+ writel(YELLOW_LED, &pio->piob.codr);
+}
+
+void red_led_on(void)
+{
+ at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+ writel(RED_LED, &pio->piob.codr);
+}
+
+void green_led_off(void)
+{
+ at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+ writel(GREEN_LED, &pio->piob.sodr);
+}
+
+void yellow_led_off(void)
+{
+ at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+ writel(YELLOW_LED, &pio->piob.sodr);
+}
+
+void red_led_off(void)
+{
+ at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+ writel(RED_LED, &pio->piob.sodr);
+}
+
+void coloured_LED_init (void)
+{
+ at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
+ at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+
+ /* Enable PIOB clock */
+ writel(1 << ATMEL_ID_PIOB, &pmc->pcer);
+
+ /* Disable peripherals on LEDs */
+ writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.per);
+ /* Enable pins as outputs */
+ writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.oer);
+ /* Turn all LEDs OFF */
+ writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.sodr);
+}