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jz4740: pm.c buildfix and cleanup

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This commit is contained in:
Lars-Peter Clausen 2010-01-08 00:04:01 +01:00
parent cc3e4bc548
commit 5405742d1e
1 changed files with 5 additions and 16 deletions
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21
target/linux/xburst/files-2.6.31/arch/mips/jz4740/pm.c
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@ -29,29 +29,22 @@
extern void jz4740_intc_suspend(void);
extern void jz4740_intc_resume(void);
extern void jz_gpiolib_suspend(void);
extern void jz_gpiolib_resume(void);
static int jz_pm_enter(suspend_state_t state)
{
unsigned long delta;
unsigned long nfcsr = REG_EMC_NFCSR;
uint32_t scr = REG_CPM_SCR;
/* Preserve current time */
delta = xtime.tv_sec - REG_RTC_RSR;
/* Disable nand flash */
/* Disable nand flash */
REG_EMC_NFCSR = ~0xff;
udelay(100);
/*stop udc and usb*/
/*stop udc and usb*/
REG_CPM_SCR &= ~( 1<<6 | 1<<7);
REG_CPM_SCR |= 0<<6 | 1<<7;
jz_gpiolib_suspend();
jz4740_intc_suspend();
jz4740_intc_suspend();
/* Enter SLEEP mode */
REG_CPM_LCR &= ~CPM_LCR_LPM_MASK;
@ -64,18 +57,14 @@ static int jz_pm_enter(suspend_state_t state)
REG_CPM_LCR &= ~CPM_LCR_LPM_MASK;
REG_CPM_LCR |= CPM_LCR_LPM_IDLE;
/* Restore nand flash control register */
/* Restore nand flash control register */
REG_EMC_NFCSR = nfcsr;
jz4740_intc_resume();
jz_gpiolib_resume();
jz4740_intc_resume();
/* Restore sleep control register */
REG_CPM_SCR = scr;
/* Restore current time */
xtime.tv_sec = REG_RTC_RSR + delta;
return 0;
}