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Commit 7a0d4fcf authored by Daniel Drake's avatar Daniel Drake Committed by H. Peter Anvin
Browse files

x86, olpc: Move CS5536-related constants to cs5535.h 



Move these definitions into the relevant header file.
This was requested in the review of the upcoming XO-1 suspend/resume code.

Signed-off-by: default avatarDaniel Drake <dsd@laptop.org>
Link: http://lkml.kernel.org/r/1309019658-1712-3-git-send-email-dsd@laptop.org


Acked-by: default avatarAndres Salomon <dilinger@queued.net>
Signed-off-by: default avatarH. Peter Anvin <hpa@linux.intel.com>
parent f70d8ef4

arch/x86/platform/olpc/olpc-xo1.c

+8 −18
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 
 * (at your option) any later version.

 */



#include <linux/cs5535.h>

#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/pm.h>
@@ -22,17 +23,6 @@ 


#define DRV_NAME "olpc-xo1"



/* PMC registers (PMS block) */

#define PM_SCLK		0x10

#define PM_IN_SLPCTL	0x20

#define PM_WKXD		0x34

#define PM_WKD		0x30

#define PM_SSC		0x54



/* PM registers (ACPI block) */

#define PM1_CNT		0x08

#define PM_GPE0_STS	0x18



static unsigned long acpi_base;

static unsigned long pms_base;
@@ -41,17 +31,17 @@ static void xo1_power_off(void) 
	printk(KERN_INFO "OLPC XO-1 power off sequence...\n");



	/* Enable all of these controls with 0 delay */

	outl(0x40000000, pms_base + PM_SCLK);

	outl(0x40000000, pms_base + PM_IN_SLPCTL);

	outl(0x40000000, pms_base + PM_WKXD);

	outl(0x40000000, pms_base + PM_WKD);

	outl(0x40000000, pms_base + CS5536_PM_SCLK);

	outl(0x40000000, pms_base + CS5536_PM_IN_SLPCTL);

	outl(0x40000000, pms_base + CS5536_PM_WKXD);

	outl(0x40000000, pms_base + CS5536_PM_WKD);



	/* Clear status bits (possibly unnecessary) */

	outl(0x0002ffff, pms_base  + PM_SSC);

	outl(0xffffffff, acpi_base + PM_GPE0_STS);

	outl(0x0002ffff, pms_base  + CS5536_PM_SSC);

	outl(0xffffffff, acpi_base + CS5536_PM_GPE0_STS);



	/* Write SLP_EN bit to start the machinery */

	outl(0x00002000, acpi_base + PM1_CNT);

	outl(0x00002000, acpi_base + CS5536_PM1_CNT);

}



static int __devinit olpc_xo1_probe(struct platform_device *pdev)

include/linux/cs5535.h

+21 −0
Original line number Diff line number Diff line
@@ -49,6 +49,27 @@ 
#define LBAR_ACPI_SIZE		0x40

#define LBAR_PMS_SIZE		0x80



/*

 * PMC registers (PMS block)

 * It is only safe to access these registers as dword accesses.

 * See CS5536 Specification Update erratas 17 & 18

 */

#define CS5536_PM_SCLK		0x10

#define CS5536_PM_IN_SLPCTL	0x20

#define CS5536_PM_WKXD		0x34

#define CS5536_PM_WKD		0x30

#define CS5536_PM_SSC		0x54



/*

 * PM registers (ACPI block)

 * It is only safe to access these registers as dword accesses.

 * See CS5536 Specification Update erratas 17 & 18

 */

#define CS5536_PM1_STS		0x00

#define CS5536_PM1_EN		0x02

#define CS5536_PM1_CNT		0x08

#define CS5536_PM_GPE0_STS	0x18



/* VSA2 magic values */

#define VSA_VRC_INDEX		0xAC1C

#define VSA_VRC_DATA		0xAC1E