zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-omap1/leds-h2p2-debug.c b/ap/os/linux/linux-3.4.x/arch/arm/mach-omap1/leds-h2p2-debug.c
new file mode 100644
index 0000000..f6b14a1
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-omap1/leds-h2p2-debug.c
@@ -0,0 +1,166 @@
+/*
+ * linux/arch/arm/mach-omap1/leds-h2p2-debug.c
+ *
+ * Copyright 2003 by Texas Instruments Incorporated
+ *
+ * There are 16 LEDs on the debug board (all green); four may be used
+ * for logical 'green', 'amber', 'red', and 'blue' (after "claiming").
+ *
+ * The "surfer" expansion board and H2 sample board also have two-color
+ * green+red LEDs (in parallel), used here for timer and idle indicators.
+ */
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/kernel_stat.h>
+#include <linux/sched.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <asm/leds.h>
+#include <asm/mach-types.h>
+
+#include <plat/fpga.h>
+
+#include "leds.h"
+
+
+#define GPIO_LED_RED 3
+#define GPIO_LED_GREEN OMAP_MPUIO(4)
+
+
+#define LED_STATE_ENABLED 0x01
+#define LED_STATE_CLAIMED 0x02
+#define LED_TIMER_ON 0x04
+
+#define GPIO_IDLE GPIO_LED_GREEN
+#define GPIO_TIMER GPIO_LED_RED
+
+
+void h2p2_dbg_leds_event(led_event_t evt)
+{
+ unsigned long flags;
+
+ static struct h2p2_dbg_fpga __iomem *fpga;
+ static u16 led_state, hw_led_state;
+
+ local_irq_save(flags);
+
+ if (!(led_state & LED_STATE_ENABLED) && evt != led_start)
+ goto done;
+
+ switch (evt) {
+ case led_start:
+ if (!fpga)
+ fpga = ioremap(H2P2_DBG_FPGA_START,
+ H2P2_DBG_FPGA_SIZE);
+ if (fpga) {
+ led_state |= LED_STATE_ENABLED;
+ __raw_writew(~0, &fpga->leds);
+ }
+ break;
+
+ case led_stop:
+ case led_halted:
+ /* all leds off during suspend or shutdown */
+
+ if (! machine_is_omap_perseus2()) {
+ gpio_set_value(GPIO_TIMER, 0);
+ gpio_set_value(GPIO_IDLE, 0);
+ }
+
+ __raw_writew(~0, &fpga->leds);
+ led_state &= ~LED_STATE_ENABLED;
+ if (evt == led_halted) {
+ iounmap(fpga);
+ fpga = NULL;
+ }
+
+ goto done;
+
+ case led_claim:
+ led_state |= LED_STATE_CLAIMED;
+ hw_led_state = 0;
+ break;
+
+ case led_release:
+ led_state &= ~LED_STATE_CLAIMED;
+ break;
+
+#ifdef CONFIG_LEDS_TIMER
+ case led_timer:
+ led_state ^= LED_TIMER_ON;
+
+ if (machine_is_omap_perseus2())
+ hw_led_state ^= H2P2_DBG_FPGA_P2_LED_TIMER;
+ else {
+ gpio_set_value(GPIO_TIMER, led_state & LED_TIMER_ON);
+ goto done;
+ }
+
+ break;
+#endif
+
+#ifdef CONFIG_LEDS_CPU
+ case led_idle_start:
+ if (machine_is_omap_perseus2())
+ hw_led_state |= H2P2_DBG_FPGA_P2_LED_IDLE;
+ else {
+ gpio_set_value(GPIO_IDLE, 1);
+ goto done;
+ }
+
+ break;
+
+ case led_idle_end:
+ if (machine_is_omap_perseus2())
+ hw_led_state &= ~H2P2_DBG_FPGA_P2_LED_IDLE;
+ else {
+ gpio_set_value(GPIO_IDLE, 0);
+ goto done;
+ }
+
+ break;
+#endif
+
+ case led_green_on:
+ hw_led_state |= H2P2_DBG_FPGA_LED_GREEN;
+ break;
+ case led_green_off:
+ hw_led_state &= ~H2P2_DBG_FPGA_LED_GREEN;
+ break;
+
+ case led_amber_on:
+ hw_led_state |= H2P2_DBG_FPGA_LED_AMBER;
+ break;
+ case led_amber_off:
+ hw_led_state &= ~H2P2_DBG_FPGA_LED_AMBER;
+ break;
+
+ case led_red_on:
+ hw_led_state |= H2P2_DBG_FPGA_LED_RED;
+ break;
+ case led_red_off:
+ hw_led_state &= ~H2P2_DBG_FPGA_LED_RED;
+ break;
+
+ case led_blue_on:
+ hw_led_state |= H2P2_DBG_FPGA_LED_BLUE;
+ break;
+ case led_blue_off:
+ hw_led_state &= ~H2P2_DBG_FPGA_LED_BLUE;
+ break;
+
+ default:
+ break;
+ }
+
+
+ /*
+ * Actually burn the LEDs
+ */
+ if (led_state & LED_STATE_ENABLED)
+ __raw_writew(~hw_led_state, &fpga->leds);
+
+done:
+ local_irq_restore(flags);
+}