Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / atmel / at91rm9200ek / led.c

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 (file)
index 0000000..2298e36
--- /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);
+}