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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: Daniel Drake <dsd@laptop.org>
Link: http://lkml.kernel.org/r/1309019658-1712-3-git-send-email-dsd@laptop.org
Acked-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Daniel Drake 2011-06-25 17:34:09 +01:00 committed by H. Peter Anvin
parent f70d8ef474
commit 7a0d4fcf6d
2 changed files with 29 additions and 18 deletions
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26
arch/x86/platform/olpc/olpc-xo1.c
View File

@ -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)

21
include/linux/cs5535.h
View File

@ -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