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rk30: reboot: parameter(loader,recovery)

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kfx
2012-03-28 17:10:04 +08:00
parent a1cb08641a
commit 414554aa70
2 changed files with 63 additions and 16 deletions
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35
arch/arm/mach-rk30/include/mach/loader.h Normal file
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@@ -0,0 +1,35 @@
/* arch/arm/mach-rk29/include/mach/loader.h
*
* Copyright (C) 2011 ROCKCHIP, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#ifndef __ASM_ARCH_RK30_LOADER_H
#define __ASM_ARCH_RK30_LOADER_H
#define SYS_LOADER_REBOOT_FLAG 0x5242C300 //high 24 bits is tag, low 8 bits is type
#define SYS_KERNRL_REBOOT_FLAG 0xC3524200 //high 24 bits is tag, low 8 bits is type
enum {
BOOT_NORMAL = 0, /* normal boot */
BOOT_LOADER, /* enter loader rockusb mode */
BOOT_MASKROM, /* enter maskrom rockusb mode (not support now) */
BOOT_RECOVER, /* enter recover */
BOOT_NORECOVER, /* do not enter recover */
BOOT_SECONDOS, /* boot second OS (not support now)*/
BOOT_WIPEDATA, /* enter recover and wipe data. */
BOOT_WIPEALL, /* enter recover and wipe all data. */
BOOT_CHECKIMG, /* check firmware img with backup part(in loader mode)*/
BOOT_FASTBOOT, /* enter fast boot mode (not support now) */
BOOT_MAX /* MAX VALID BOOT TYPE.*/
};
#endif

44
arch/arm/mach-rk30/reset.c
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@@ -1,16 +1,28 @@
#include <linux/io.h>
#include <linux/kernel.h>
#include <mach/system.h>
#include <mach/cru.h>
#include <mach/iomux.h>
static void rk30_arch_reset(char mode, const char *cmd)
{
/* disable remap */
writel_relaxed(1 << (12 + 16), RK30_GRF_BASE + GRF_SOC_CON0);
dsb();
writel_relaxed(0xeca8, RK30_CRU_BASE + CRU_GLB_SRST_SND);
dsb();
}
void (*arch_reset)(char, const char *) = rk30_arch_reset;
#include <linux/io.h>
#include <linux/kernel.h>
#include <mach/system.h>
#include <linux/string.h>
#include <mach/cru.h>
#include <mach/iomux.h>
#include <mach/loader.h>
static void rk30_arch_reset(char mode, const char *cmd)
{
unsigned int reason = 0;
if(cmd) {
if (!strcmp(cmd, "loader") || !strcmp(cmd, "bootloader"))
reason = SYS_LOADER_REBOOT_FLAG + BOOT_LOADER;
else if(!strcmp(cmd, "recovery"))
reason = SYS_LOADER_REBOOT_FLAG + BOOT_RECOVER;
}
writel_relaxed(reason, RK30_PMU_PHYS + 0x40); //PMU_OS_REG0
dsb();
/* disable remap */
writel_relaxed(1 << (12 + 16), RK30_GRF_BASE + GRF_SOC_CON0);
dsb();
writel_relaxed(0xeca8, RK30_CRU_BASE + CRU_GLB_SRST_SND);
dsb();
}
void (*arch_reset)(char, const char *) = rk30_arch_reset;