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[xburst] Cleanup clock module a bit and replace last users of __cpm_*

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19281 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
lars
2010-01-22 18:13:02 +00:00
parent 08ecc47d81
commit 15b54dd2c0
6 changed files with 271 additions and 642 deletions

View File

@@ -18,45 +18,25 @@
#include <linux/delay.h>
#include <linux/suspend.h>
#include <asm/mach-jz4740/regs.h>
#include <asm/mach-jz4740/clock.h>
extern void jz4740_intc_suspend(void);
extern void jz4740_intc_resume(void);
static int jz_pm_enter(suspend_state_t state)
{
unsigned long nfcsr = REG_EMC_NFCSR;
uint32_t scr = REG_CPM_SCR;
/* Disable nand flash */
REG_EMC_NFCSR = ~0xff;
udelay(100);
/*stop udc and usb*/
REG_CPM_SCR &= ~( 1<<6 | 1<<7);
REG_CPM_SCR |= 0<<6 | 1<<7;
jz4740_intc_suspend();
/* Enter SLEEP mode */
REG_CPM_LCR &= ~CPM_LCR_LPM_MASK;
REG_CPM_LCR |= CPM_LCR_LPM_SLEEP;
jz4740_clock_set_wait_mode(JZ4740_WAIT_MODE_SLEEP);
__asm__(".set\tmips3\n\t"
"wait\n\t"
".set\tmips0");
/* Restore to IDLE mode */
REG_CPM_LCR &= ~CPM_LCR_LPM_MASK;
REG_CPM_LCR |= CPM_LCR_LPM_IDLE;
/* Restore nand flash control register */
REG_EMC_NFCSR = nfcsr;
jz4740_clock_set_wait_mode(JZ4740_WAIT_MODE_IDLE);
jz4740_intc_resume();
/* Restore sleep control register */
REG_CPM_SCR = scr;
return 0;
}