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authorMarkus Hubig <mhubig@imko.de>2012-08-07 17:43:23 +0200
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-09-01 14:58:16 +0200
commit2399ef73859f7ef54d2da9c3274c01f86726eff8 (patch)
tree28d6e03a389f0bfa48ee6074eaeec47c5ff9d69a /board/taskit/stamp9g20/led.c
parenta3dab5d1d9447d75dbf3bb47abc7341508ccafd5 (diff)
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at91: Add support for taskit AT91SAM9G20 boards.
This adds support for the AT91SAM9G20 boards by taskit GmbH. Both boards, Stamp9G20 and PortuxG20, are integrated in one file. PortuxG20 is basically a SBC built around the Stamp9G20. Signed-off-by: Markus Hubig <mhubig@imko.de> Cc: Andreas Bießmann <andreas.devel@googlemail.com> Signed-off-by: Andreas Bießmann <andreas.deve@googlemail.com>
Diffstat (limited to 'board/taskit/stamp9g20/led.c')
-rw-r--r--board/taskit/stamp9g20/led.c138
1 files changed, 138 insertions, 0 deletions
diff --git a/board/taskit/stamp9g20/led.c b/board/taskit/stamp9g20/led.c
new file mode 100644
index 0000000..197b4da
--- /dev/null
+++ b/board/taskit/stamp9g20/led.c
@@ -0,0 +1,138 @@
+/*
+ * 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>
+ *
+ * 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 <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();
+ }
+}