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yaml
---
r: 173455
b: refs/heads/master
c: da14909
h: refs/heads/master
i:
  173453: aea05b6
  173451: 14fed3f
  173447: 291d0aa
  173439: 2f7c7f3
v: v3
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Magnus Damm authored and Paul Mundt committed Oct 30, 2009
1 parent d31a229 commit c964671
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 49f42644fd01bc7bd9b6b0a080fee1a89dc66665
refs/heads/master: da14909eb0749c2788fc704be6dbdebb620602f6
167 changes: 167 additions & 0 deletions trunk/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
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Expand Up @@ -20,6 +20,8 @@
#include <linux/uio_driver.h>
#include <linux/sh_timer.h>
#include <linux/io.h>
#include <linux/notifier.h>
#include <asm/suspend.h>
#include <asm/clock.h>
#include <asm/mmzone.h>
#include <cpu/sh7724.h>
Expand Down Expand Up @@ -827,3 +829,168 @@ void __init plat_irq_setup(void)
{
register_intc_controller(&intc_desc);
}

static struct {
/* BSC */
unsigned long mmselr;
unsigned long cs0bcr;
unsigned long cs4bcr;
unsigned long cs5abcr;
unsigned long cs5bbcr;
unsigned long cs6abcr;
unsigned long cs6bbcr;
unsigned long cs4wcr;
unsigned long cs5awcr;
unsigned long cs5bwcr;
unsigned long cs6awcr;
unsigned long cs6bwcr;
/* INTC */
unsigned short ipra;
unsigned short iprb;
unsigned short iprc;
unsigned short iprd;
unsigned short ipre;
unsigned short iprf;
unsigned short iprg;
unsigned short iprh;
unsigned short ipri;
unsigned short iprj;
unsigned short iprk;
unsigned short iprl;
unsigned char imr0;
unsigned char imr1;
unsigned char imr2;
unsigned char imr3;
unsigned char imr4;
unsigned char imr5;
unsigned char imr6;
unsigned char imr7;
unsigned char imr8;
unsigned char imr9;
unsigned char imr10;
unsigned char imr11;
unsigned char imr12;
} sh7724_rstandby_state;

static int sh7724_pre_sleep_notifier_call(struct notifier_block *nb,
unsigned long flags, void *unused)
{
if (!(flags & SUSP_SH_RSTANDBY))
return NOTIFY_DONE;

/* BCR */
sh7724_rstandby_state.mmselr = __raw_readl(0xff800020); /* MMSELR */
sh7724_rstandby_state.mmselr |= 0xa5a50000;
sh7724_rstandby_state.cs0bcr = __raw_readl(0xfec10004); /* CS0BCR */
sh7724_rstandby_state.cs4bcr = __raw_readl(0xfec10010); /* CS4BCR */
sh7724_rstandby_state.cs5abcr = __raw_readl(0xfec10014); /* CS5ABCR */
sh7724_rstandby_state.cs5bbcr = __raw_readl(0xfec10018); /* CS5BBCR */
sh7724_rstandby_state.cs6abcr = __raw_readl(0xfec1001c); /* CS6ABCR */
sh7724_rstandby_state.cs6bbcr = __raw_readl(0xfec10020); /* CS6BBCR */
sh7724_rstandby_state.cs4wcr = __raw_readl(0xfec10030); /* CS4WCR */
sh7724_rstandby_state.cs5awcr = __raw_readl(0xfec10034); /* CS5AWCR */
sh7724_rstandby_state.cs5bwcr = __raw_readl(0xfec10038); /* CS5BWCR */
sh7724_rstandby_state.cs6awcr = __raw_readl(0xfec1003c); /* CS6AWCR */
sh7724_rstandby_state.cs6bwcr = __raw_readl(0xfec10040); /* CS6BWCR */

/* INTC */
sh7724_rstandby_state.ipra = __raw_readw(0xa4080000); /* IPRA */
sh7724_rstandby_state.iprb = __raw_readw(0xa4080004); /* IPRB */
sh7724_rstandby_state.iprc = __raw_readw(0xa4080008); /* IPRC */
sh7724_rstandby_state.iprd = __raw_readw(0xa408000c); /* IPRD */
sh7724_rstandby_state.ipre = __raw_readw(0xa4080010); /* IPRE */
sh7724_rstandby_state.iprf = __raw_readw(0xa4080014); /* IPRF */
sh7724_rstandby_state.iprg = __raw_readw(0xa4080018); /* IPRG */
sh7724_rstandby_state.iprh = __raw_readw(0xa408001c); /* IPRH */
sh7724_rstandby_state.ipri = __raw_readw(0xa4080020); /* IPRI */
sh7724_rstandby_state.iprj = __raw_readw(0xa4080024); /* IPRJ */
sh7724_rstandby_state.iprk = __raw_readw(0xa4080028); /* IPRK */
sh7724_rstandby_state.iprl = __raw_readw(0xa408002c); /* IPRL */
sh7724_rstandby_state.imr0 = __raw_readb(0xa4080080); /* IMR0 */
sh7724_rstandby_state.imr1 = __raw_readb(0xa4080084); /* IMR1 */
sh7724_rstandby_state.imr2 = __raw_readb(0xa4080088); /* IMR2 */
sh7724_rstandby_state.imr3 = __raw_readb(0xa408008c); /* IMR3 */
sh7724_rstandby_state.imr4 = __raw_readb(0xa4080090); /* IMR4 */
sh7724_rstandby_state.imr5 = __raw_readb(0xa4080094); /* IMR5 */
sh7724_rstandby_state.imr6 = __raw_readb(0xa4080098); /* IMR6 */
sh7724_rstandby_state.imr7 = __raw_readb(0xa408009c); /* IMR7 */
sh7724_rstandby_state.imr8 = __raw_readb(0xa40800a0); /* IMR8 */
sh7724_rstandby_state.imr9 = __raw_readb(0xa40800a4); /* IMR9 */
sh7724_rstandby_state.imr10 = __raw_readb(0xa40800a8); /* IMR10 */
sh7724_rstandby_state.imr11 = __raw_readb(0xa40800ac); /* IMR11 */
sh7724_rstandby_state.imr12 = __raw_readb(0xa40800b0); /* IMR12 */

return NOTIFY_DONE;
}

static int sh7724_post_sleep_notifier_call(struct notifier_block *nb,
unsigned long flags, void *unused)
{
if (!(flags & SUSP_SH_RSTANDBY))
return NOTIFY_DONE;

/* BCR */
__raw_writel(sh7724_rstandby_state.mmselr, 0xff800020); /* MMSELR */
__raw_writel(sh7724_rstandby_state.cs0bcr, 0xfec10004); /* CS0BCR */
__raw_writel(sh7724_rstandby_state.cs4bcr, 0xfec10010); /* CS4BCR */
__raw_writel(sh7724_rstandby_state.cs5abcr, 0xfec10014); /* CS5ABCR */
__raw_writel(sh7724_rstandby_state.cs5bbcr, 0xfec10018); /* CS5BBCR */
__raw_writel(sh7724_rstandby_state.cs6abcr, 0xfec1001c); /* CS6ABCR */
__raw_writel(sh7724_rstandby_state.cs6bbcr, 0xfec10020); /* CS6BBCR */
__raw_writel(sh7724_rstandby_state.cs4wcr, 0xfec10030); /* CS4WCR */
__raw_writel(sh7724_rstandby_state.cs5awcr, 0xfec10034); /* CS5AWCR */
__raw_writel(sh7724_rstandby_state.cs5bwcr, 0xfec10038); /* CS5BWCR */
__raw_writel(sh7724_rstandby_state.cs6awcr, 0xfec1003c); /* CS6AWCR */
__raw_writel(sh7724_rstandby_state.cs6bwcr, 0xfec10040); /* CS6BWCR */

/* INTC */
__raw_writew(sh7724_rstandby_state.ipra, 0xa4080000); /* IPRA */
__raw_writew(sh7724_rstandby_state.iprb, 0xa4080004); /* IPRB */
__raw_writew(sh7724_rstandby_state.iprc, 0xa4080008); /* IPRC */
__raw_writew(sh7724_rstandby_state.iprd, 0xa408000c); /* IPRD */
__raw_writew(sh7724_rstandby_state.ipre, 0xa4080010); /* IPRE */
__raw_writew(sh7724_rstandby_state.iprf, 0xa4080014); /* IPRF */
__raw_writew(sh7724_rstandby_state.iprg, 0xa4080018); /* IPRG */
__raw_writew(sh7724_rstandby_state.iprh, 0xa408001c); /* IPRH */
__raw_writew(sh7724_rstandby_state.ipri, 0xa4080020); /* IPRI */
__raw_writew(sh7724_rstandby_state.iprj, 0xa4080024); /* IPRJ */
__raw_writew(sh7724_rstandby_state.iprk, 0xa4080028); /* IPRK */
__raw_writew(sh7724_rstandby_state.iprl, 0xa408002c); /* IPRL */
__raw_writeb(sh7724_rstandby_state.imr0, 0xa4080080); /* IMR0 */
__raw_writeb(sh7724_rstandby_state.imr1, 0xa4080084); /* IMR1 */
__raw_writeb(sh7724_rstandby_state.imr2, 0xa4080088); /* IMR2 */
__raw_writeb(sh7724_rstandby_state.imr3, 0xa408008c); /* IMR3 */
__raw_writeb(sh7724_rstandby_state.imr4, 0xa4080090); /* IMR4 */
__raw_writeb(sh7724_rstandby_state.imr5, 0xa4080094); /* IMR5 */
__raw_writeb(sh7724_rstandby_state.imr6, 0xa4080098); /* IMR6 */
__raw_writeb(sh7724_rstandby_state.imr7, 0xa408009c); /* IMR7 */
__raw_writeb(sh7724_rstandby_state.imr8, 0xa40800a0); /* IMR8 */
__raw_writeb(sh7724_rstandby_state.imr9, 0xa40800a4); /* IMR9 */
__raw_writeb(sh7724_rstandby_state.imr10, 0xa40800a8); /* IMR10 */
__raw_writeb(sh7724_rstandby_state.imr11, 0xa40800ac); /* IMR11 */
__raw_writeb(sh7724_rstandby_state.imr12, 0xa40800b0); /* IMR12 */

return NOTIFY_DONE;
}

static struct notifier_block sh7724_pre_sleep_notifier = {
.notifier_call = sh7724_pre_sleep_notifier_call,
.priority = SH_MOBILE_PRE(SH_MOBILE_SLEEP_CPU),
};

static struct notifier_block sh7724_post_sleep_notifier = {
.notifier_call = sh7724_post_sleep_notifier_call,
.priority = SH_MOBILE_POST(SH_MOBILE_SLEEP_CPU),
};

static int __init sh7724_sleep_setup(void)
{
atomic_notifier_chain_register(&sh_mobile_pre_sleep_notifier_list,
&sh7724_pre_sleep_notifier);

atomic_notifier_chain_register(&sh_mobile_post_sleep_notifier_list,
&sh7724_post_sleep_notifier);
return 0;
}
arch_initcall(sh7724_sleep_setup);

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