1 /* 2 * AMD Geode definitions 3 * Copyright (C) 2006, Advanced Micro Devices, Inc. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of version 2 of the GNU General Public License 7 * as published by the Free Software Foundation. 8 */ 9 10 #ifndef _ASM_X86_GEODE_H 11 #define _ASM_X86_GEODE_H 12 13 #include <asm/processor.h> 14 #include <linux/io.h> 15 #include <linux/cs5535.h> 16 17 /* Generic southbridge functions */ 18 19 #define GEODE_DEV_PMS 0 20 #define GEODE_DEV_ACPI 1 21 #define GEODE_DEV_GPIO 2 22 #define GEODE_DEV_MFGPT 3 23 24 extern int geode_get_dev_base(unsigned int dev); 25 26 /* Useful macros */ 27 #define geode_pms_base() geode_get_dev_base(GEODE_DEV_PMS) 28 #define geode_acpi_base() geode_get_dev_base(GEODE_DEV_ACPI) 29 #define geode_gpio_base() geode_get_dev_base(GEODE_DEV_GPIO) 30 #define geode_mfgpt_base() geode_get_dev_base(GEODE_DEV_MFGPT) 31 32 /* MSRS */ 33 34 #define MSR_LBAR_SMB 0x5140000B 35 #define MSR_LBAR_GPIO 0x5140000C 36 #define MSR_LBAR_MFGPT 0x5140000D 37 #define MSR_LBAR_ACPI 0x5140000E 38 #define MSR_LBAR_PMS 0x5140000F 39 40 /* Resource Sizes */ 41 42 #define LBAR_GPIO_SIZE 0xFF 43 #define LBAR_MFGPT_SIZE 0x40 44 #define LBAR_ACPI_SIZE 0x40 45 #define LBAR_PMS_SIZE 0x80 46 47 /* ACPI registers (PMS block) */ 48 49 /* 50 * PM1_EN is only valid when VSA is enabled for 16 bit reads. 51 * When VSA is not enabled, *always* read both PM1_STS and PM1_EN 52 * with a 32 bit read at offset 0x0 53 */ 54 55 #define PM1_STS 0x00 56 #define PM1_EN 0x02 57 #define PM1_CNT 0x08 58 #define PM2_CNT 0x0C 59 #define PM_TMR 0x10 60 #define PM_GPE0_STS 0x18 61 #define PM_GPE0_EN 0x1C 62 63 /* PMC registers (PMS block) */ 64 65 #define PM_SSD 0x00 66 #define PM_SCXA 0x04 67 #define PM_SCYA 0x08 68 #define PM_OUT_SLPCTL 0x0C 69 #define PM_SCLK 0x10 70 #define PM_SED 0x1 71 #define PM_SCXD 0x18 72 #define PM_SCYD 0x1C 73 #define PM_IN_SLPCTL 0x20 74 #define PM_WKD 0x30 75 #define PM_WKXD 0x34 76 #define PM_RD 0x38 77 #define PM_WKXA 0x3C 78 #define PM_FSD 0x40 79 #define PM_TSD 0x44 80 #define PM_PSD 0x48 81 #define PM_NWKD 0x4C 82 #define PM_AWKD 0x50 83 #define PM_SSC 0x54 84 85 static inline u32 geode_gpio(unsigned int nr) 86 { 87 BUG_ON(nr > 28); 88 return 1 << nr; 89 } 90 91 extern void geode_gpio_set(u32, unsigned int); 92 extern void geode_gpio_clear(u32, unsigned int); 93 extern int geode_gpio_isset(u32, unsigned int); 94 extern void geode_gpio_setup_event(unsigned int, int, int); 95 extern void geode_gpio_set_irq(unsigned int, unsigned int); 96 97 static inline void geode_gpio_event_irq(unsigned int gpio, int pair) 98 { 99 geode_gpio_setup_event(gpio, pair, 0); 100 } 101 102 static inline void geode_gpio_event_pme(unsigned int gpio, int pair) 103 { 104 geode_gpio_setup_event(gpio, pair, 1); 105 } 106 107 /* Specific geode tests */ 108 109 static inline int is_geode_gx(void) 110 { 111 return ((boot_cpu_data.x86_vendor == X86_VENDOR_NSC) && 112 (boot_cpu_data.x86 == 5) && 113 (boot_cpu_data.x86_model == 5)); 114 } 115 116 static inline int is_geode_lx(void) 117 { 118 return ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) && 119 (boot_cpu_data.x86 == 5) && 120 (boot_cpu_data.x86_model == 10)); 121 } 122 123 static inline int is_geode(void) 124 { 125 return (is_geode_gx() || is_geode_lx()); 126 } 127 128 static inline void geode_mfgpt_write(int timer, u16 reg, u16 value) 129 { 130 u32 base = geode_get_dev_base(GEODE_DEV_MFGPT); 131 outw(value, base + reg + (timer * 8)); 132 } 133 134 static inline u16 geode_mfgpt_read(int timer, u16 reg) 135 { 136 u32 base = geode_get_dev_base(GEODE_DEV_MFGPT); 137 return inw(base + reg + (timer * 8)); 138 } 139 140 extern int geode_mfgpt_toggle_event(int timer, int cmp, int event, int enable); 141 extern int geode_mfgpt_set_irq(int timer, int cmp, int *irq, int enable); 142 extern int geode_mfgpt_alloc_timer(int timer, int domain); 143 144 #define geode_mfgpt_setup_irq(t, c, i) geode_mfgpt_set_irq((t), (c), (i), 1) 145 #define geode_mfgpt_release_irq(t, c, i) geode_mfgpt_set_irq((t), (c), (i), 0) 146 147 #ifdef CONFIG_GEODE_MFGPT_TIMER 148 extern int __init mfgpt_timer_setup(void); 149 #else 150 static inline int mfgpt_timer_setup(void) { return 0; } 151 #endif 152 153 #endif /* _ASM_X86_GEODE_H */ 154