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-rw-r--r--include/asm-x86/geode.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/include/asm-x86/geode.h b/include/asm-x86/geode.h
index 6da4bbbea3dc..d94898831bac 100644
--- a/include/asm-x86/geode.h
+++ b/include/asm-x86/geode.h
@@ -156,4 +156,54 @@ static inline int is_geode(void)
return (is_geode_gx() || is_geode_lx());
}
+/* MFGPTs */
+
+#define MFGPT_MAX_TIMERS 8
+#define MFGPT_TIMER_ANY -1
+
+#define MFGPT_DOMAIN_WORKING 1
+#define MFGPT_DOMAIN_STANDBY 2
+#define MFGPT_DOMAIN_ANY (MFGPT_DOMAIN_WORKING | MFGPT_DOMAIN_STANDBY)
+
+#define MFGPT_CMP1 0
+#define MFGPT_CMP2 1
+
+#define MFGPT_EVENT_IRQ 0
+#define MFGPT_EVENT_NMI 1
+#define MFGPT_EVENT_RESET 3
+
+#define MFGPT_REG_CMP1 0
+#define MFGPT_REG_CMP2 2
+#define MFGPT_REG_COUNTER 4
+#define MFGPT_REG_SETUP 6
+
+#define MFGPT_SETUP_CNTEN (1 << 15)
+#define MFGPT_SETUP_CMP2 (1 << 14)
+#define MFGPT_SETUP_CMP1 (1 << 13)
+#define MFGPT_SETUP_SETUP (1 << 12)
+#define MFGPT_SETUP_STOPEN (1 << 11)
+#define MFGPT_SETUP_EXTEN (1 << 10)
+#define MFGPT_SETUP_REVEN (1 << 5)
+#define MFGPT_SETUP_CLKSEL (1 << 4)
+
+static inline void geode_mfgpt_write(int timer, u16 reg, u16 value)
+{
+ u32 base = geode_get_dev_base(GEODE_DEV_MFGPT);
+ outw(value, base + reg + (timer * 8));
+}
+
+static inline u16 geode_mfgpt_read(int timer, u16 reg)
+{
+ u32 base = geode_get_dev_base(GEODE_DEV_MFGPT);
+ return inw(base + reg + (timer * 8));
+}
+
+extern int __init geode_mfgpt_detect(void);
+extern int geode_mfgpt_toggle_event(int timer, int cmp, int event, int enable);
+extern int geode_mfgpt_set_irq(int timer, int cmp, int irq, int enable);
+extern int geode_mfgpt_alloc_timer(int timer, int domain, struct module *owner);
+
+#define geode_mfgpt_setup_irq(t, c, i) geode_mfgpt_set_irq((t), (c), (i), 1)
+#define geode_mfgpt_release_irq(t, c, i) geode_mfgpt_set_irq((t), (c), (i), 0)
+
#endif