2 * AMD Geode definitions
3 * Copyright (C) 2006, Advanced Micro Devices, Inc.
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.
13 #include <asm/processor.h>
16 /* Generic southbridge functions */
18 #define GEODE_DEV_PMS 0
19 #define GEODE_DEV_ACPI 1
20 #define GEODE_DEV_GPIO 2
21 #define GEODE_DEV_MFGPT 3
23 extern int geode_get_dev_base(unsigned int dev);
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)
33 #define GX_GLCP_SYS_RSTPLL 0x4C000014
35 #define MSR_LBAR_SMB 0x5140000B
36 #define MSR_LBAR_GPIO 0x5140000C
37 #define MSR_LBAR_MFGPT 0x5140000D
38 #define MSR_LBAR_ACPI 0x5140000E
39 #define MSR_LBAR_PMS 0x5140000F
41 #define MSR_DIVIL_SOFT_RESET 0x51400017
43 #define MSR_PIC_YSEL_LOW 0x51400020
44 #define MSR_PIC_YSEL_HIGH 0x51400021
45 #define MSR_PIC_ZSEL_LOW 0x51400022
46 #define MSR_PIC_ZSEL_HIGH 0x51400023
48 #define MFGPT_IRQ_MSR 0x51400028
49 #define MFGPT_NR_MSR 0x51400029
53 #define LBAR_GPIO_SIZE 0xFF
54 #define LBAR_MFGPT_SIZE 0x40
55 #define LBAR_ACPI_SIZE 0x40
56 #define LBAR_PMS_SIZE 0x80
58 /* ACPI registers (PMS block) */
61 * PM1_EN is only valid when VSA is enabled for 16 bit reads.
62 * When VSA is not enabled, *always* read both PM1_STS and PM1_EN
63 * with a 32 bit read at offset 0x0
71 #define PM_GPE0_STS 0x18
72 #define PM_GPE0_EN 0x1C
74 /* PMC registers (PMS block) */
79 #define PM_OUT_SLPCTL 0x0C
84 #define PM_IN_SLPCTL 0x20
98 #define GPIO_OUTPUT_VAL 0x00
99 #define GPIO_OUTPUT_ENABLE 0x04
100 #define GPIO_OUTPUT_OPEN_DRAIN 0x08
101 #define GPIO_OUTPUT_INVERT 0x0C
102 #define GPIO_OUTPUT_AUX1 0x10
103 #define GPIO_OUTPUT_AUX2 0x14
104 #define GPIO_PULL_UP 0x18
105 #define GPIO_PULL_DOWN 0x1C
106 #define GPIO_INPUT_ENABLE 0x20
107 #define GPIO_INPUT_INVERT 0x24
108 #define GPIO_INPUT_FILTER 0x28
109 #define GPIO_INPUT_EVENT_COUNT 0x2C
110 #define GPIO_READ_BACK 0x30
111 #define GPIO_INPUT_AUX1 0x34
112 #define GPIO_EVENTS_ENABLE 0x38
113 #define GPIO_LOCK_ENABLE 0x3C
114 #define GPIO_POSITIVE_EDGE_EN 0x40
115 #define GPIO_NEGATIVE_EDGE_EN 0x44
116 #define GPIO_POSITIVE_EDGE_STS 0x48
117 #define GPIO_NEGATIVE_EDGE_STS 0x4C
119 #define GPIO_MAP_X 0xE0
120 #define GPIO_MAP_Y 0xE4
121 #define GPIO_MAP_Z 0xE8
122 #define GPIO_MAP_W 0xEC
124 static inline u32 geode_gpio(unsigned int nr)
130 extern void geode_gpio_set(u32, unsigned int);
131 extern void geode_gpio_clear(u32, unsigned int);
132 extern int geode_gpio_isset(u32, unsigned int);
133 extern void geode_gpio_setup_event(unsigned int, int, int);
134 extern void geode_gpio_set_irq(unsigned int, unsigned int);
136 static inline void geode_gpio_event_irq(unsigned int gpio, int pair)
138 geode_gpio_setup_event(gpio, pair, 0);
141 static inline void geode_gpio_event_pme(unsigned int gpio, int pair)
143 geode_gpio_setup_event(gpio, pair, 1);
146 /* Specific geode tests */
148 static inline int is_geode_gx(void)
150 return ((boot_cpu_data.x86_vendor == X86_VENDOR_NSC) &&
151 (boot_cpu_data.x86 == 5) &&
152 (boot_cpu_data.x86_model == 5));
155 static inline int is_geode_lx(void)
157 return ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) &&
158 (boot_cpu_data.x86 == 5) &&
159 (boot_cpu_data.x86_model == 10));
162 static inline int is_geode(void)
164 return (is_geode_gx() || is_geode_lx());
169 #define MFGPT_MAX_TIMERS 8
170 #define MFGPT_TIMER_ANY (-1)
172 #define MFGPT_DOMAIN_WORKING 1
173 #define MFGPT_DOMAIN_STANDBY 2
174 #define MFGPT_DOMAIN_ANY (MFGPT_DOMAIN_WORKING | MFGPT_DOMAIN_STANDBY)
179 #define MFGPT_EVENT_IRQ 0
180 #define MFGPT_EVENT_NMI 1
181 #define MFGPT_EVENT_RESET 3
183 #define MFGPT_REG_CMP1 0
184 #define MFGPT_REG_CMP2 2
185 #define MFGPT_REG_COUNTER 4
186 #define MFGPT_REG_SETUP 6
188 #define MFGPT_SETUP_CNTEN (1 << 15)
189 #define MFGPT_SETUP_CMP2 (1 << 14)
190 #define MFGPT_SETUP_CMP1 (1 << 13)
191 #define MFGPT_SETUP_SETUP (1 << 12)
192 #define MFGPT_SETUP_STOPEN (1 << 11)
193 #define MFGPT_SETUP_EXTEN (1 << 10)
194 #define MFGPT_SETUP_REVEN (1 << 5)
195 #define MFGPT_SETUP_CLKSEL (1 << 4)
197 static inline void geode_mfgpt_write(int timer, u16 reg, u16 value)
199 u32 base = geode_get_dev_base(GEODE_DEV_MFGPT);
200 outw(value, base + reg + (timer * 8));
203 static inline u16 geode_mfgpt_read(int timer, u16 reg)
205 u32 base = geode_get_dev_base(GEODE_DEV_MFGPT);
206 return inw(base + reg + (timer * 8));
209 extern int geode_mfgpt_toggle_event(int timer, int cmp, int event, int enable);
210 extern int geode_mfgpt_set_irq(int timer, int cmp, int irq, int enable);
211 extern int geode_mfgpt_alloc_timer(int timer, int domain);
213 #define geode_mfgpt_setup_irq(t, c, i) geode_mfgpt_set_irq((t), (c), (i), 1)
214 #define geode_mfgpt_release_irq(t, c, i) geode_mfgpt_set_irq((t), (c), (i), 0)
216 #ifdef CONFIG_GEODE_MFGPT_TIMER
217 extern int __init mfgpt_timer_setup(void);
219 static inline int mfgpt_timer_setup(void) { return 0; }