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authorAndres Salomon <dilinger@collabora.co.uk>2009-12-14 18:00:40 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 08:53:28 -0800
commitf060f27007b393bac6e50ee6fc26d8505acf6fe4 (patch)
treefd83b0c9550814dfb5fc6a726ce7b5eb1baaa6f3
parent2e8c12436f540d3c40137ebf10268803dc972f6a (diff)
downloadop-kernel-dev-f060f27007b393bac6e50ee6fc26d8505acf6fe4.zip
op-kernel-dev-f060f27007b393bac6e50ee6fc26d8505acf6fe4.tar.gz
cs5535: move VSA2 checks into linux/cs5535.h
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>
-rw-r--r--arch/x86/include/asm/geode.h19
-rw-r--r--arch/x86/kernel/geode_32.c22
-rw-r--r--arch/x86/kernel/olpc.c4
-rw-r--r--drivers/video/geode/display_gx.c2
-rw-r--r--drivers/video/geode/lxfb_ops.c2
-rw-r--r--include/linux/cs5535.h32
6 files changed, 36 insertions, 45 deletions
diff --git a/arch/x86/include/asm/geode.h b/arch/x86/include/asm/geode.h
index 976b3f1..df1eaf8 100644
--- a/arch/x86/include/asm/geode.h
+++ b/arch/x86/include/asm/geode.h
@@ -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);
diff --git a/arch/x86/kernel/geode_32.c b/arch/x86/kernel/geode_32.c
index 9b08e85..9dad6ca 100644
--- a/arch/x86/kernel/geode_32.c
+++ b/arch/x86/kernel/geode_32.c
@@ -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())
diff --git a/arch/x86/kernel/olpc.c b/arch/x86/kernel/olpc.c
index 4006c52..9d1d263 100644
--- a/arch/x86/kernel/olpc.c
+++ b/arch/x86/kernel/olpc.c
@@ -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",
diff --git a/drivers/video/geode/display_gx.c b/drivers/video/geode/display_gx.c
index e759895..3ddf055 100644
--- a/drivers/video/geode/display_gx.c
+++ b/drivers/video/geode/display_gx.c
@@ -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 */
diff --git a/drivers/video/geode/lxfb_ops.c b/drivers/video/geode/lxfb_ops.c
index b1cd49c..fe1ee7c 100644
--- a/drivers/video/geode/lxfb_ops.c
+++ b/drivers/video/geode/lxfb_ops.c
@@ -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 */
diff --git a/include/linux/cs5535.h b/include/linux/cs5535.h
index 39e93e8..eb34108 100644
--- a/include/linux/cs5535.h
+++ b/include/linux/cs5535.h
@@ -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
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