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authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:11 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:24 +0200
commit84ad688473bec2875e171b71040eb9e033c6c206 (patch)
treecf181129cbdf5d833d55262f759ea2cd9cafaff7 /arch/arm/cpu/arm920t/ep93xx/led.c
parent8f0fec74ac6d0f3a7134ccebafa1ed9bd8c712ba (diff)
downloadblackbird-obmc-uboot-84ad688473bec2875e171b71040eb9e033c6c206.tar.gz
blackbird-obmc-uboot-84ad688473bec2875e171b71040eb9e033c6c206.zip
arm: Move cpu/$CPU to arch/arm/cpu/$CPU
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/arm/cpu/arm920t/ep93xx/led.c')
-rw-r--r--arch/arm/cpu/arm920t/ep93xx/led.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm920t/ep93xx/led.c b/arch/arm/cpu/arm920t/ep93xx/led.c
new file mode 100644
index 0000000000..7e2c897757
--- /dev/null
+++ b/arch/arm/cpu/arm920t/ep93xx/led.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2010, 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/io.h>
+#include <asm/arch/ep93xx.h>
+#include <config.h>
+#include <status_led.h>
+
+static uint8_t saved_state[2] = {STATUS_LED_OFF, STATUS_LED_OFF};
+static uint32_t gpio_pin[2] = {1 << STATUS_LED_GREEN,
+ 1 << STATUS_LED_RED};
+
+inline void switch_LED_on(uint8_t led)
+{
+ register struct gpio_regs *gpio = (struct gpio_regs *)GPIO_BASE;
+
+ writel(readl(&gpio->pedr) | gpio_pin[led], &gpio->pedr);
+ saved_state[led] = STATUS_LED_ON;
+}
+
+inline void switch_LED_off(uint8_t led)
+{
+ register struct gpio_regs *gpio = (struct gpio_regs *)GPIO_BASE;
+
+ writel(readl(&gpio->pedr) & ~gpio_pin[led], &gpio->pedr);
+ saved_state[led] = STATUS_LED_OFF;
+}
+
+void red_LED_on(void)
+{
+ switch_LED_on(STATUS_LED_RED);
+}
+
+void red_LED_off(void)
+{
+ switch_LED_off(STATUS_LED_RED);
+}
+
+void green_LED_on(void)
+{
+ switch_LED_on(STATUS_LED_GREEN);
+}
+
+void green_LED_off(void)
+{
+ switch_LED_off(STATUS_LED_GREEN);
+}
+
+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();
+ }
+}
+
+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();
+ }
+}
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