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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/arm/mach-pxa/reset.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-pxa/reset.c')
-rw-r--r--ANDROID_3.4.5/arch/arm/mach-pxa/reset.c106
1 files changed, 0 insertions, 106 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-pxa/reset.c b/ANDROID_3.4.5/arch/arm/mach-pxa/reset.c
deleted file mode 100644
index b4528899..00000000
--- a/ANDROID_3.4.5/arch/arm/mach-pxa/reset.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * 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/kernel.h>
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/gpio.h>
-#include <linux/io.h>
-#include <asm/proc-fns.h>
-#include <asm/system_misc.h>
-
-#include <mach/regs-ost.h>
-#include <mach/reset.h>
-
-unsigned int reset_status;
-EXPORT_SYMBOL(reset_status);
-
-static void do_hw_reset(void);
-
-static int reset_gpio = -1;
-
-int init_gpio_reset(int gpio, int output, int level)
-{
- int rc;
-
- rc = gpio_request(gpio, "reset generator");
- if (rc) {
- printk(KERN_ERR "Can't request reset_gpio\n");
- goto out;
- }
-
- if (output)
- rc = gpio_direction_output(gpio, level);
- else
- rc = gpio_direction_input(gpio);
- if (rc) {
- printk(KERN_ERR "Can't configure reset_gpio\n");
- gpio_free(gpio);
- goto out;
- }
-
-out:
- if (!rc)
- reset_gpio = gpio;
-
- return rc;
-}
-
-/*
- * Trigger GPIO reset.
- * This covers various types of logic connecting gpio pin
- * to RESET pins (nRESET or GPIO_RESET):
- */
-static void do_gpio_reset(void)
-{
- BUG_ON(reset_gpio == -1);
-
- /* drive it low */
- gpio_direction_output(reset_gpio, 0);
- mdelay(2);
- /* rising edge or drive high */
- gpio_set_value(reset_gpio, 1);
- mdelay(2);
- /* falling edge */
- gpio_set_value(reset_gpio, 0);
-
- /* give it some time */
- mdelay(10);
-
- WARN_ON(1);
- /* fallback */
- do_hw_reset();
-}
-
-static void do_hw_reset(void)
-{
- /* Initialize the watchdog and let it fire */
- OWER = OWER_WME;
- OSSR = OSSR_M3;
- OSMR3 = OSCR + 368640; /* ... in 100 ms */
-}
-
-void pxa_restart(char mode, const char *cmd)
-{
- local_irq_disable();
- local_fiq_disable();
-
- clear_reset_status(RESET_STATUS_ALL);
-
- switch (mode) {
- case 's':
- /* Jump into ROM at address 0 */
- soft_restart(0);
- break;
- case 'g':
- do_gpio_reset();
- break;
- case 'h':
- default:
- do_hw_reset();
- break;
- }
-}
-