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cs5535: move VSA2 checks into linux/cs5535.h

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Signed-off-by: Andres Salomon <dilinger@collabora.co.uk>
Cc: Jordan Crouse <jordan@cosmicpenguin.net>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Chris Ball <cjb@laptop.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andres Salomon 2009-12-14 18:00:40 -08:00 committed by Linus Torvalds
parent 2e8c12436f
commit f060f27007
6 changed files with 36 additions and 45 deletions
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19
arch/x86/include/asm/geode.h
View File

@ -95,16 +95,6 @@ extern int geode_get_dev_base(unsigned int dev);
#define PM_AWKD 0x50
#define PM_SSC 0x54
/* VSA2 magic values */
#define VSA_VRC_INDEX 0xAC1C
#define VSA_VRC_DATA 0xAC1E
#define VSA_VR_UNLOCK 0xFC53 /* unlock virtual register */
#define VSA_VR_SIGNATURE 0x0003
#define VSA_VR_MEM_SIZE 0x0200
#define AMD_VSA_SIG 0x4132 /* signature is ascii 'VSA2' */
#define GSW_VSA_SIG 0x534d /* General Software signature */
static inline u32 geode_gpio(unsigned int nr)
{
BUG_ON(nr > 28);
@ -148,15 +138,6 @@ static inline int is_geode(void)
return (is_geode_gx() || is_geode_lx());
}
#ifdef CONFIG_MGEODE_LX
extern int geode_has_vsa2(void);
#else
static inline int geode_has_vsa2(void)
{
return 0;
}
#endif
static inline void geode_mfgpt_write(int timer, u16 reg, u16 value)
{
u32 base = geode_get_dev_base(GEODE_DEV_MFGPT);

22
arch/x86/kernel/geode_32.c
View File

@ -161,28 +161,6 @@ void geode_gpio_setup_event(unsigned int gpio, int pair, int pme)
}
EXPORT_SYMBOL_GPL(geode_gpio_setup_event);
int geode_has_vsa2(void)
{
static int has_vsa2 = -1;
if (has_vsa2 == -1) {
u16 val;
/*
* The VSA has virtual registers that we can query for a
* signature.
*/
outw(VSA_VR_UNLOCK, VSA_VRC_INDEX);
outw(VSA_VR_SIGNATURE, VSA_VRC_INDEX);
val = inw(VSA_VRC_DATA);
has_vsa2 = (val == AMD_VSA_SIG || val == GSW_VSA_SIG);
}
return has_vsa2;
}
EXPORT_SYMBOL_GPL(geode_has_vsa2);
static int __init geode_southbridge_init(void)
{
if (!is_geode())

4
arch/x86/kernel/olpc.c
View File

@ -212,7 +212,7 @@ static int __init olpc_init(void)
unsigned char *romsig;
/* The ioremap check is dangerous; limit what we run it on */
if (!is_geode() || geode_has_vsa2())
if (!is_geode() || cs5535_has_vsa2())
return 0;
spin_lock_init(&ec_lock);
@ -244,7 +244,7 @@ static int __init olpc_init(void)
(unsigned char *) &olpc_platform_info.ecver, 1);
/* check to see if the VSA exists */
if (geode_has_vsa2())
if (cs5535_has_vsa2())
olpc_platform_info.flags |= OLPC_F_VSA;
printk(KERN_INFO "OLPC board revision %s%X (EC=%x)\n",

2
drivers/video/geode/display_gx.c
View File

@ -25,7 +25,7 @@ unsigned int gx_frame_buffer_size(void)
{
unsigned int val;
if (!geode_has_vsa2()) {
if (!cs5535_has_vsa2()) {
uint32_t hi, lo;
/* The number of pages is (PMAX - PMIN)+1 */

2
drivers/video/geode/lxfb_ops.c
View File

@ -307,7 +307,7 @@ unsigned int lx_framebuffer_size(void)
{
unsigned int val;
if (!geode_has_vsa2()) {
if (!cs5535_has_vsa2()) {
uint32_t hi, lo;
/* The number of pages is (PMAX - PMIN)+1 */

32
include/linux/cs5535.h
View File

@ -36,6 +36,38 @@
#define LBAR_ACPI_SIZE 0x40
#define LBAR_PMS_SIZE 0x80
/* VSA2 magic values */
#define VSA_VRC_INDEX 0xAC1C
#define VSA_VRC_DATA 0xAC1E
#define VSA_VR_UNLOCK 0xFC53 /* unlock virtual register */
#define VSA_VR_SIGNATURE 0x0003
#define VSA_VR_MEM_SIZE 0x0200
#define AMD_VSA_SIG 0x4132 /* signature is ascii 'VSA2' */
#define GSW_VSA_SIG 0x534d /* General Software signature */
#include <linux/io.h>
static inline int cs5535_has_vsa2(void)
{
static int has_vsa2 = -1;
if (has_vsa2 == -1) {
uint16_t val;
/*
* The VSA has virtual registers that we can query for a
* signature.
*/
outw(VSA_VR_UNLOCK, VSA_VRC_INDEX);
outw(VSA_VR_SIGNATURE, VSA_VRC_INDEX);
val = inw(VSA_VRC_DATA);
has_vsa2 = (val == AMD_VSA_SIG || val == GSW_VSA_SIG);
}
return has_vsa2;
}
/* GPIOs */
#define GPIO_OUTPUT_VAL 0x00
#define GPIO_OUTPUT_ENABLE 0x04