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authorAndres Salomon <dilinger@collabora.co.uk>2009-12-14 21:00:40 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 11:53:28 -0500
commitf060f27007b393bac6e50ee6fc26d8505acf6fe4 (patch)
treefd83b0c9550814dfb5fc6a726ce7b5eb1baaa6f3 /arch
parent2e8c12436f540d3c40137ebf10268803dc972f6a (diff)
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>
Diffstat (limited to 'arch')
-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
3 files changed, 2 insertions, 43 deletions
diff --git a/arch/x86/include/asm/geode.h b/arch/x86/include/asm/geode.h
index 976b3f11c009..df1eaf87426a 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);
95#define PM_AWKD 0x50 95#define PM_AWKD 0x50
96#define PM_SSC 0x54 96#define PM_SSC 0x54
97 97
98/* VSA2 magic values */
99
100#define VSA_VRC_INDEX 0xAC1C
101#define VSA_VRC_DATA 0xAC1E
102#define VSA_VR_UNLOCK 0xFC53 /* unlock virtual register */
103#define VSA_VR_SIGNATURE 0x0003
104#define VSA_VR_MEM_SIZE 0x0200
105#define AMD_VSA_SIG 0x4132 /* signature is ascii 'VSA2' */
106#define GSW_VSA_SIG 0x534d /* General Software signature */
107
108static inline u32 geode_gpio(unsigned int nr) 98static inline u32 geode_gpio(unsigned int nr)
109{ 99{
110 BUG_ON(nr > 28); 100 BUG_ON(nr > 28);
@@ -148,15 +138,6 @@ static inline int is_geode(void)
148 return (is_geode_gx() || is_geode_lx()); 138 return (is_geode_gx() || is_geode_lx());
149} 139}
150 140
151#ifdef CONFIG_MGEODE_LX
152extern int geode_has_vsa2(void);
153#else
154static inline int geode_has_vsa2(void)
155{
156 return 0;
157}
158#endif
159
160static inline void geode_mfgpt_write(int timer, u16 reg, u16 value) 141static inline void geode_mfgpt_write(int timer, u16 reg, u16 value)
161{ 142{
162 u32 base = geode_get_dev_base(GEODE_DEV_MFGPT); 143 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 9b08e852fd1a..9dad6ca6cd70 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)
161} 161}
162EXPORT_SYMBOL_GPL(geode_gpio_setup_event); 162EXPORT_SYMBOL_GPL(geode_gpio_setup_event);
163 163
164int geode_has_vsa2(void)
165{
166 static int has_vsa2 = -1;
167
168 if (has_vsa2 == -1) {
169 u16 val;
170
171 /*
172 * The VSA has virtual registers that we can query for a
173 * signature.
174 */
175 outw(VSA_VR_UNLOCK, VSA_VRC_INDEX);
176 outw(VSA_VR_SIGNATURE, VSA_VRC_INDEX);
177
178 val = inw(VSA_VRC_DATA);
179 has_vsa2 = (val == AMD_VSA_SIG || val == GSW_VSA_SIG);
180 }
181
182 return has_vsa2;
183}
184EXPORT_SYMBOL_GPL(geode_has_vsa2);
185
186static int __init geode_southbridge_init(void) 164static int __init geode_southbridge_init(void)
187{ 165{
188 if (!is_geode()) 166 if (!is_geode())
diff --git a/arch/x86/kernel/olpc.c b/arch/x86/kernel/olpc.c
index 4006c522adc7..9d1d263f786f 100644
--- a/arch/x86/kernel/olpc.c
+++ b/arch/x86/kernel/olpc.c
@@ -212,7 +212,7 @@ static int __init olpc_init(void)
212 unsigned char *romsig; 212 unsigned char *romsig;
213 213
214 /* The ioremap check is dangerous; limit what we run it on */ 214 /* The ioremap check is dangerous; limit what we run it on */
215 if (!is_geode() || geode_has_vsa2()) 215 if (!is_geode() || cs5535_has_vsa2())
216 return 0; 216 return 0;
217 217
218 spin_lock_init(&ec_lock); 218 spin_lock_init(&ec_lock);
@@ -244,7 +244,7 @@ static int __init olpc_init(void)
244 (unsigned char *) &olpc_platform_info.ecver, 1); 244 (unsigned char *) &olpc_platform_info.ecver, 1);
245 245
246 /* check to see if the VSA exists */ 246 /* check to see if the VSA exists */
247 if (geode_has_vsa2()) 247 if (cs5535_has_vsa2())
248 olpc_platform_info.flags |= OLPC_F_VSA; 248 olpc_platform_info.flags |= OLPC_F_VSA;
249 249
250 printk(KERN_INFO "OLPC board revision %s%X (EC=%x)\n", 250 printk(KERN_INFO "OLPC board revision %s%X (EC=%x)\n",