shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-11 05:17:10 +09:00
Code Issues Packages Projects Releases Wiki Activity

rk29: reset: reset pwm while reboot

Browse Source
This commit is contained in:
黄涛
2011-03-23 15:14:17 +08:00
parent 20489a5096
commit a5f9a87633
1 changed files with 8 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
arch/arm/mach-rk29/reset.c
View File

@@ -70,7 +70,8 @@ static void pwm2gpiodefault(void)
*pGRF_GPIO2L_IOMUX &= ~(0x3<<6);
// set gpio to input
*pGPIO2_DIR &= ~(0x1<<3);
// testflag =1;
memset(RK29_PWM_BASE, 0, 0x40);
}
@@ -93,24 +94,22 @@ void rk29_arch_reset(int mode, const char *cmd)
{
u32 reg;
local_irq_disable();
local_fiq_disable();
cru_writel((cru_readl(CRU_MODE_CON) & ~CRU_CPU_MODE_MASK) | CRU_CPU_MODE_SLOW, CRU_MODE_CON);
delay_500ns();
/* from panic? */
if (system_state != SYSTEM_RESTART)
machine_power_off();
local_irq_disable();
local_fiq_disable();
pwm2gpiodefault();
cru_writel((cru_readl(CRU_MODE_CON) & ~CRU_CPU_MODE_MASK) | CRU_CPU_MODE_SLOW, CRU_MODE_CON);
delay_500ns();
cru_writel((cru_readl(CRU_MODE_CON) & ~CRU_GENERAL_MODE_MASK) | CRU_GENERAL_MODE_SLOW, CRU_MODE_CON);
delay_500ns();
cru_writel((cru_readl(CRU_MODE_CON) & ~CRU_CODEC_MODE_MASK) | CRU_CODEC_MODE_SLOW, CRU_MODE_CON);
delay_500ns();
cru_writel(0, CRU_CLKGATE0_CON);