[ARM] 3666/1: TRIZEPS4 [1/5] core
Patch from Jürgen Schindele
This patch adds support for Trizeps4 SoM and ConXS-evalboard
from "Keith und Koep" This DIMM-module is based on PXA270.
Signed-off-by: Jürgen Schindele <linux@schindele.name>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/leds-trizeps4.c b/arch/arm/mach-pxa/leds-trizeps4.c
new file mode 100644
index 0000000..14cfc85
--- /dev/null
+++ b/arch/arm/mach-pxa/leds-trizeps4.c
@@ -0,0 +1,134 @@
+/*
+ * linux/arch/arm/mach-pxa/leds-trizeps4.c
+ *
+ * Author: Jürgen Schindele
+ * Created: 20 02, 2006
+ * Copyright: Jürgen Schindele
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+
+#include <asm/hardware.h>
+#include <asm/system.h>
+#include <asm/types.h>
+#include <asm/leds.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/trizeps4.h>
+
+#include "leds.h"
+
+#define LED_STATE_ENABLED 1
+#define LED_STATE_CLAIMED 2
+
+#define SYS_BUSY 0x01
+#define HEARTBEAT 0x02
+#define BLINK 0x04
+
+static unsigned int led_state;
+static unsigned int hw_led_state;
+
+void trizeps4_leds_event(led_event_t evt)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+
+ switch (evt) {
+ case led_start:
+ hw_led_state = 0;
+ pxa_gpio_mode( GPIO_SYS_BUSY_LED | GPIO_OUT); /* LED1 */
+ pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT); /* LED2 */
+ led_state = LED_STATE_ENABLED;
+ break;
+
+ case led_stop:
+ led_state &= ~LED_STATE_ENABLED;
+ break;
+
+ case led_claim:
+ led_state |= LED_STATE_CLAIMED;
+ hw_led_state = 0;
+ break;
+
+ case led_release:
+ led_state &= ~LED_STATE_CLAIMED;
+ hw_led_state = 0;
+ break;
+
+#ifdef CONFIG_LEDS_TIMER
+ case led_timer:
+ hw_led_state ^= HEARTBEAT;
+ break;
+#endif
+
+#ifdef CONFIG_LEDS_CPU
+ case led_idle_start:
+ hw_led_state &= ~SYS_BUSY;
+ break;
+
+ case led_idle_end:
+ hw_led_state |= SYS_BUSY;
+ break;
+#endif
+
+ case led_halted:
+ break;
+
+ case led_green_on:
+ hw_led_state |= BLINK;
+ break;
+
+ case led_green_off:
+ hw_led_state &= ~BLINK;
+ break;
+
+ case led_amber_on:
+ break;
+
+ case led_amber_off:
+ break;
+
+ case led_red_on:
+ break;
+
+ case led_red_off:
+ break;
+
+ default:
+ break;
+ }
+
+ if (led_state & LED_STATE_ENABLED) {
+ switch (hw_led_state) {
+ case 0:
+ GPSR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED);
+ GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+ break;
+ case 1:
+ GPCR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED);
+ GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+ break;
+ case 2:
+ GPSR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED);
+ GPCR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+ break;
+ case 3:
+ GPCR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED);
+ GPCR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+ break;
+ }
+ }
+ else {
+ /* turn all off */
+ GPSR(GPIO_SYS_BUSY_LED) |= GPIO_bit(GPIO_SYS_BUSY_LED);
+ GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+ }
+
+ local_irq_restore(flags);
+}