Andres Salomon | f62e518 | 2007-07-21 17:11:38 +0200 | [diff] [blame] | 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 | |
H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 10 | #ifndef _ASM_X86_GEODE_H |
| 11 | #define _ASM_X86_GEODE_H |
Andres Salomon | f62e518 | 2007-07-21 17:11:38 +0200 | [diff] [blame] | 12 | |
| 13 | #include <asm/processor.h> |
| 14 | #include <linux/io.h> |
| 15 | |
| 16 | /* Generic southbridge functions */ |
| 17 | |
| 18 | #define GEODE_DEV_PMS 0 |
| 19 | #define GEODE_DEV_ACPI 1 |
| 20 | #define GEODE_DEV_GPIO 2 |
| 21 | #define GEODE_DEV_MFGPT 3 |
| 22 | |
| 23 | extern int geode_get_dev_base(unsigned int dev); |
| 24 | |
| 25 | /* Useful macros */ |
| 26 | #define geode_pms_base() geode_get_dev_base(GEODE_DEV_PMS) |
| 27 | #define geode_acpi_base() geode_get_dev_base(GEODE_DEV_ACPI) |
| 28 | #define geode_gpio_base() geode_get_dev_base(GEODE_DEV_GPIO) |
| 29 | #define geode_mfgpt_base() geode_get_dev_base(GEODE_DEV_MFGPT) |
| 30 | |
| 31 | /* MSRS */ |
| 32 | |
Andres Salomon | fd96795 | 2008-04-28 02:15:30 -0700 | [diff] [blame] | 33 | #define MSR_GLIU_P2D_RO0 0x10000029 |
| 34 | |
Andres Salomon | 32bf87e | 2008-04-28 02:14:53 -0700 | [diff] [blame] | 35 | #define MSR_LX_GLD_MSR_CONFIG 0x48002001 |
| 36 | #define MSR_LX_MSR_PADSEL 0x48002011 /* NOT 0x48000011; the data |
| 37 | * sheet has the wrong value */ |
| 38 | #define MSR_GLCP_SYS_RSTPLL 0x4C000014 |
| 39 | #define MSR_GLCP_DOTPLL 0x4C000015 |
Andres Salomon | f62e518 | 2007-07-21 17:11:38 +0200 | [diff] [blame] | 40 | |
| 41 | #define MSR_LBAR_SMB 0x5140000B |
| 42 | #define MSR_LBAR_GPIO 0x5140000C |
| 43 | #define MSR_LBAR_MFGPT 0x5140000D |
| 44 | #define MSR_LBAR_ACPI 0x5140000E |
| 45 | #define MSR_LBAR_PMS 0x5140000F |
| 46 | |
Andres Salomon | 0387f45 | 2007-10-18 15:26:51 -0400 | [diff] [blame] | 47 | #define MSR_DIVIL_SOFT_RESET 0x51400017 |
| 48 | |
Andres Salomon | f62e518 | 2007-07-21 17:11:38 +0200 | [diff] [blame] | 49 | #define MSR_PIC_YSEL_LOW 0x51400020 |
| 50 | #define MSR_PIC_YSEL_HIGH 0x51400021 |
| 51 | #define MSR_PIC_ZSEL_LOW 0x51400022 |
| 52 | #define MSR_PIC_ZSEL_HIGH 0x51400023 |
Jens Rottmann | 0d5cdc9 | 2008-08-04 14:40:16 +0200 | [diff] [blame] | 53 | #define MSR_PIC_IRQM_LPC 0x51400025 |
Andres Salomon | f62e518 | 2007-07-21 17:11:38 +0200 | [diff] [blame] | 54 | |
Andres Salomon | 32bf87e | 2008-04-28 02:14:53 -0700 | [diff] [blame] | 55 | #define MSR_MFGPT_IRQ 0x51400028 |
| 56 | #define MSR_MFGPT_NR 0x51400029 |
| 57 | #define MSR_MFGPT_SETUP 0x5140002B |
| 58 | |
| 59 | #define MSR_LX_SPARE_MSR 0x80000011 /* DC-specific */ |
| 60 | |
| 61 | #define MSR_GX_GLD_MSR_CONFIG 0xC0002001 |
| 62 | #define MSR_GX_MSR_PADSEL 0xC0002011 |
Andres Salomon | f62e518 | 2007-07-21 17:11:38 +0200 | [diff] [blame] | 63 | |
| 64 | /* Resource Sizes */ |
| 65 | |
| 66 | #define LBAR_GPIO_SIZE 0xFF |
| 67 | #define LBAR_MFGPT_SIZE 0x40 |
| 68 | #define LBAR_ACPI_SIZE 0x40 |
| 69 | #define LBAR_PMS_SIZE 0x80 |
| 70 | |
| 71 | /* ACPI registers (PMS block) */ |
| 72 | |
| 73 | /* |
| 74 | * PM1_EN is only valid when VSA is enabled for 16 bit reads. |
| 75 | * When VSA is not enabled, *always* read both PM1_STS and PM1_EN |
| 76 | * with a 32 bit read at offset 0x0 |
| 77 | */ |
| 78 | |
| 79 | #define PM1_STS 0x00 |
| 80 | #define PM1_EN 0x02 |
| 81 | #define PM1_CNT 0x08 |
| 82 | #define PM2_CNT 0x0C |
| 83 | #define PM_TMR 0x10 |
| 84 | #define PM_GPE0_STS 0x18 |
| 85 | #define PM_GPE0_EN 0x1C |
| 86 | |
| 87 | /* PMC registers (PMS block) */ |
| 88 | |
| 89 | #define PM_SSD 0x00 |
| 90 | #define PM_SCXA 0x04 |
| 91 | #define PM_SCYA 0x08 |
| 92 | #define PM_OUT_SLPCTL 0x0C |
| 93 | #define PM_SCLK 0x10 |
| 94 | #define PM_SED 0x1 |
| 95 | #define PM_SCXD 0x18 |
| 96 | #define PM_SCYD 0x1C |
| 97 | #define PM_IN_SLPCTL 0x20 |
| 98 | #define PM_WKD 0x30 |
| 99 | #define PM_WKXD 0x34 |
| 100 | #define PM_RD 0x38 |
| 101 | #define PM_WKXA 0x3C |
| 102 | #define PM_FSD 0x40 |
| 103 | #define PM_TSD 0x44 |
| 104 | #define PM_PSD 0x48 |
| 105 | #define PM_NWKD 0x4C |
| 106 | #define PM_AWKD 0x50 |
| 107 | #define PM_SSC 0x54 |
| 108 | |
Andres Salomon | e933836 | 2008-04-28 02:14:54 -0700 | [diff] [blame] | 109 | /* VSA2 magic values */ |
| 110 | |
| 111 | #define VSA_VRC_INDEX 0xAC1C |
| 112 | #define VSA_VRC_DATA 0xAC1E |
| 113 | #define VSA_VR_UNLOCK 0xFC53 /* unlock virtual register */ |
| 114 | #define VSA_VR_SIGNATURE 0x0003 |
Andres Salomon | 61a517a | 2008-04-28 02:15:30 -0700 | [diff] [blame] | 115 | #define VSA_VR_MEM_SIZE 0x0200 |
Jordan Crouse | ffe6e1d | 2008-06-18 11:34:38 -0600 | [diff] [blame] | 116 | #define AMD_VSA_SIG 0x4132 /* signature is ascii 'VSA2' */ |
| 117 | #define GSW_VSA_SIG 0x534d /* General Software signature */ |
Andres Salomon | f62e518 | 2007-07-21 17:11:38 +0200 | [diff] [blame] | 118 | /* GPIO */ |
| 119 | |
| 120 | #define GPIO_OUTPUT_VAL 0x00 |
| 121 | #define GPIO_OUTPUT_ENABLE 0x04 |
| 122 | #define GPIO_OUTPUT_OPEN_DRAIN 0x08 |
| 123 | #define GPIO_OUTPUT_INVERT 0x0C |
| 124 | #define GPIO_OUTPUT_AUX1 0x10 |
| 125 | #define GPIO_OUTPUT_AUX2 0x14 |
| 126 | #define GPIO_PULL_UP 0x18 |
| 127 | #define GPIO_PULL_DOWN 0x1C |
| 128 | #define GPIO_INPUT_ENABLE 0x20 |
| 129 | #define GPIO_INPUT_INVERT 0x24 |
| 130 | #define GPIO_INPUT_FILTER 0x28 |
| 131 | #define GPIO_INPUT_EVENT_COUNT 0x2C |
| 132 | #define GPIO_READ_BACK 0x30 |
| 133 | #define GPIO_INPUT_AUX1 0x34 |
| 134 | #define GPIO_EVENTS_ENABLE 0x38 |
| 135 | #define GPIO_LOCK_ENABLE 0x3C |
| 136 | #define GPIO_POSITIVE_EDGE_EN 0x40 |
| 137 | #define GPIO_NEGATIVE_EDGE_EN 0x44 |
| 138 | #define GPIO_POSITIVE_EDGE_STS 0x48 |
| 139 | #define GPIO_NEGATIVE_EDGE_STS 0x4C |
| 140 | |
| 141 | #define GPIO_MAP_X 0xE0 |
| 142 | #define GPIO_MAP_Y 0xE4 |
| 143 | #define GPIO_MAP_Z 0xE8 |
| 144 | #define GPIO_MAP_W 0xEC |
| 145 | |
Andres Salomon | ade7614 | 2008-01-30 13:33:35 +0100 | [diff] [blame] | 146 | static inline u32 geode_gpio(unsigned int nr) |
| 147 | { |
| 148 | BUG_ON(nr > 28); |
| 149 | return 1 << nr; |
| 150 | } |
| 151 | |
| 152 | extern void geode_gpio_set(u32, unsigned int); |
| 153 | extern void geode_gpio_clear(u32, unsigned int); |
| 154 | extern int geode_gpio_isset(u32, unsigned int); |
Andres Salomon | f62e518 | 2007-07-21 17:11:38 +0200 | [diff] [blame] | 155 | extern void geode_gpio_setup_event(unsigned int, int, int); |
| 156 | extern void geode_gpio_set_irq(unsigned int, unsigned int); |
| 157 | |
| 158 | static inline void geode_gpio_event_irq(unsigned int gpio, int pair) |
| 159 | { |
| 160 | geode_gpio_setup_event(gpio, pair, 0); |
| 161 | } |
| 162 | |
| 163 | static inline void geode_gpio_event_pme(unsigned int gpio, int pair) |
| 164 | { |
| 165 | geode_gpio_setup_event(gpio, pair, 1); |
| 166 | } |
| 167 | |
| 168 | /* Specific geode tests */ |
| 169 | |
| 170 | static inline int is_geode_gx(void) |
| 171 | { |
| 172 | return ((boot_cpu_data.x86_vendor == X86_VENDOR_NSC) && |
| 173 | (boot_cpu_data.x86 == 5) && |
| 174 | (boot_cpu_data.x86_model == 5)); |
| 175 | } |
| 176 | |
| 177 | static inline int is_geode_lx(void) |
| 178 | { |
| 179 | return ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) && |
| 180 | (boot_cpu_data.x86 == 5) && |
| 181 | (boot_cpu_data.x86_model == 10)); |
| 182 | } |
| 183 | |
| 184 | static inline int is_geode(void) |
| 185 | { |
| 186 | return (is_geode_gx() || is_geode_lx()); |
| 187 | } |
| 188 | |
Andres Salomon | cb3f43b | 2008-05-07 13:07:38 -0700 | [diff] [blame] | 189 | #ifdef CONFIG_MGEODE_LX |
Andres Salomon | 547acec | 2008-05-07 13:07:37 -0700 | [diff] [blame] | 190 | extern int geode_has_vsa2(void); |
Andres Salomon | cb3f43b | 2008-05-07 13:07:38 -0700 | [diff] [blame] | 191 | #else |
| 192 | static inline int geode_has_vsa2(void) |
| 193 | { |
| 194 | return 0; |
| 195 | } |
| 196 | #endif |
Andres Salomon | e933836 | 2008-04-28 02:14:54 -0700 | [diff] [blame] | 197 | |
Andres Salomon | 83d7384 | 2007-10-12 23:04:06 +0200 | [diff] [blame] | 198 | /* MFGPTs */ |
| 199 | |
| 200 | #define MFGPT_MAX_TIMERS 8 |
Joe Perches | 6394d98 | 2008-03-23 01:02:14 -0700 | [diff] [blame] | 201 | #define MFGPT_TIMER_ANY (-1) |
Andres Salomon | 83d7384 | 2007-10-12 23:04:06 +0200 | [diff] [blame] | 202 | |
| 203 | #define MFGPT_DOMAIN_WORKING 1 |
| 204 | #define MFGPT_DOMAIN_STANDBY 2 |
| 205 | #define MFGPT_DOMAIN_ANY (MFGPT_DOMAIN_WORKING | MFGPT_DOMAIN_STANDBY) |
| 206 | |
| 207 | #define MFGPT_CMP1 0 |
| 208 | #define MFGPT_CMP2 1 |
| 209 | |
| 210 | #define MFGPT_EVENT_IRQ 0 |
| 211 | #define MFGPT_EVENT_NMI 1 |
| 212 | #define MFGPT_EVENT_RESET 3 |
| 213 | |
| 214 | #define MFGPT_REG_CMP1 0 |
| 215 | #define MFGPT_REG_CMP2 2 |
| 216 | #define MFGPT_REG_COUNTER 4 |
| 217 | #define MFGPT_REG_SETUP 6 |
| 218 | |
| 219 | #define MFGPT_SETUP_CNTEN (1 << 15) |
| 220 | #define MFGPT_SETUP_CMP2 (1 << 14) |
| 221 | #define MFGPT_SETUP_CMP1 (1 << 13) |
| 222 | #define MFGPT_SETUP_SETUP (1 << 12) |
| 223 | #define MFGPT_SETUP_STOPEN (1 << 11) |
| 224 | #define MFGPT_SETUP_EXTEN (1 << 10) |
| 225 | #define MFGPT_SETUP_REVEN (1 << 5) |
| 226 | #define MFGPT_SETUP_CLKSEL (1 << 4) |
| 227 | |
| 228 | static inline void geode_mfgpt_write(int timer, u16 reg, u16 value) |
| 229 | { |
| 230 | u32 base = geode_get_dev_base(GEODE_DEV_MFGPT); |
| 231 | outw(value, base + reg + (timer * 8)); |
| 232 | } |
| 233 | |
| 234 | static inline u16 geode_mfgpt_read(int timer, u16 reg) |
| 235 | { |
| 236 | u32 base = geode_get_dev_base(GEODE_DEV_MFGPT); |
| 237 | return inw(base + reg + (timer * 8)); |
| 238 | } |
| 239 | |
Andres Salomon | 83d7384 | 2007-10-12 23:04:06 +0200 | [diff] [blame] | 240 | extern int geode_mfgpt_toggle_event(int timer, int cmp, int event, int enable); |
Jens Rottmann | 0d5cdc9 | 2008-08-04 14:40:16 +0200 | [diff] [blame] | 241 | extern int geode_mfgpt_set_irq(int timer, int cmp, int *irq, int enable); |
Andres Salomon | fa28e06 | 2008-02-09 23:24:08 +0100 | [diff] [blame] | 242 | extern int geode_mfgpt_alloc_timer(int timer, int domain); |
Andres Salomon | 83d7384 | 2007-10-12 23:04:06 +0200 | [diff] [blame] | 243 | |
| 244 | #define geode_mfgpt_setup_irq(t, c, i) geode_mfgpt_set_irq((t), (c), (i), 1) |
| 245 | #define geode_mfgpt_release_irq(t, c, i) geode_mfgpt_set_irq((t), (c), (i), 0) |
| 246 | |
Andres Salomon | b0e6bf2 | 2008-02-09 23:24:08 +0100 | [diff] [blame] | 247 | #ifdef CONFIG_GEODE_MFGPT_TIMER |
| 248 | extern int __init mfgpt_timer_setup(void); |
| 249 | #else |
| 250 | static inline int mfgpt_timer_setup(void) { return 0; } |
| 251 | #endif |
| 252 | |
H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 253 | #endif /* _ASM_X86_GEODE_H */ |