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 MSR_LX_GLD_MSR_CONFIG 0x48002001
34 #define MSR_LX_MSR_PADSEL 0x48002011 /* NOT 0x48000011; the data
35 * sheet has the wrong value */
36 #define MSR_GLCP_SYS_RSTPLL 0x4C000014
37 #define MSR_GLCP_DOTPLL 0x4C000015
39 #define MSR_LBAR_SMB 0x5140000B
40 #define MSR_LBAR_GPIO 0x5140000C
41 #define MSR_LBAR_MFGPT 0x5140000D
42 #define MSR_LBAR_ACPI 0x5140000E
43 #define MSR_LBAR_PMS 0x5140000F
45 #define MSR_DIVIL_SOFT_RESET 0x51400017
47 #define MSR_PIC_YSEL_LOW 0x51400020
48 #define MSR_PIC_YSEL_HIGH 0x51400021
49 #define MSR_PIC_ZSEL_LOW 0x51400022
50 #define MSR_PIC_ZSEL_HIGH 0x51400023
52 #define MSR_MFGPT_IRQ 0x51400028
53 #define MSR_MFGPT_NR 0x51400029
54 #define MSR_MFGPT_SETUP 0x5140002B
56 #define MSR_LX_SPARE_MSR 0x80000011 /* DC-specific */
58 #define MSR_GX_GLD_MSR_CONFIG 0xC0002001
59 #define MSR_GX_MSR_PADSEL 0xC0002011
63 #define LBAR_GPIO_SIZE 0xFF
64 #define LBAR_MFGPT_SIZE 0x40
65 #define LBAR_ACPI_SIZE 0x40
66 #define LBAR_PMS_SIZE 0x80
68 /* ACPI registers (PMS block) */
71 * PM1_EN is only valid when VSA is enabled for 16 bit reads.
72 * When VSA is not enabled, *always* read both PM1_STS and PM1_EN
73 * with a 32 bit read at offset 0x0
81 #define PM_GPE0_STS 0x18
82 #define PM_GPE0_EN 0x1C
84 /* PMC registers (PMS block) */
89 #define PM_OUT_SLPCTL 0x0C
94 #define PM_IN_SLPCTL 0x20
108 #define GPIO_OUTPUT_VAL 0x00
109 #define GPIO_OUTPUT_ENABLE 0x04
110 #define GPIO_OUTPUT_OPEN_DRAIN 0x08
111 #define GPIO_OUTPUT_INVERT 0x0C
112 #define GPIO_OUTPUT_AUX1 0x10
113 #define GPIO_OUTPUT_AUX2 0x14
114 #define GPIO_PULL_UP 0x18
115 #define GPIO_PULL_DOWN 0x1C
116 #define GPIO_INPUT_ENABLE 0x20
117 #define GPIO_INPUT_INVERT 0x24
118 #define GPIO_INPUT_FILTER 0x28
119 #define GPIO_INPUT_EVENT_COUNT 0x2C
120 #define GPIO_READ_BACK 0x30
121 #define GPIO_INPUT_AUX1 0x34
122 #define GPIO_EVENTS_ENABLE 0x38
123 #define GPIO_LOCK_ENABLE 0x3C
124 #define GPIO_POSITIVE_EDGE_EN 0x40
125 #define GPIO_NEGATIVE_EDGE_EN 0x44
126 #define GPIO_POSITIVE_EDGE_STS 0x48
127 #define GPIO_NEGATIVE_EDGE_STS 0x4C
129 #define GPIO_MAP_X 0xE0
130 #define GPIO_MAP_Y 0xE4
131 #define GPIO_MAP_Z 0xE8
132 #define GPIO_MAP_W 0xEC
134 static inline u32 geode_gpio(unsigned int nr)
140 extern void geode_gpio_set(u32, unsigned int);
141 extern void geode_gpio_clear(u32, unsigned int);
142 extern int geode_gpio_isset(u32, unsigned int);
143 extern void geode_gpio_setup_event(unsigned int, int, int);
144 extern void geode_gpio_set_irq(unsigned int, unsigned int);
146 static inline void geode_gpio_event_irq(unsigned int gpio, int pair)
148 geode_gpio_setup_event(gpio, pair, 0);
151 static inline void geode_gpio_event_pme(unsigned int gpio, int pair)
153 geode_gpio_setup_event(gpio, pair, 1);
156 /* Specific geode tests */
158 static inline int is_geode_gx(void)
160 return ((boot_cpu_data.x86_vendor == X86_VENDOR_NSC) &&
161 (boot_cpu_data.x86 == 5) &&
162 (boot_cpu_data.x86_model == 5));
165 static inline int is_geode_lx(void)
167 return ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) &&
168 (boot_cpu_data.x86 == 5) &&
169 (boot_cpu_data.x86_model == 10));
172 static inline int is_geode(void)
174 return (is_geode_gx() || is_geode_lx());
179 #define MFGPT_MAX_TIMERS 8
180 #define MFGPT_TIMER_ANY (-1)
182 #define MFGPT_DOMAIN_WORKING 1
183 #define MFGPT_DOMAIN_STANDBY 2
184 #define MFGPT_DOMAIN_ANY (MFGPT_DOMAIN_WORKING | MFGPT_DOMAIN_STANDBY)
189 #define MFGPT_EVENT_IRQ 0
190 #define MFGPT_EVENT_NMI 1
191 #define MFGPT_EVENT_RESET 3
193 #define MFGPT_REG_CMP1 0
194 #define MFGPT_REG_CMP2 2
195 #define MFGPT_REG_COUNTER 4
196 #define MFGPT_REG_SETUP 6
198 #define MFGPT_SETUP_CNTEN (1 << 15)
199 #define MFGPT_SETUP_CMP2 (1 << 14)
200 #define MFGPT_SETUP_CMP1 (1 << 13)
201 #define MFGPT_SETUP_SETUP (1 << 12)
202 #define MFGPT_SETUP_STOPEN (1 << 11)
203 #define MFGPT_SETUP_EXTEN (1 << 10)
204 #define MFGPT_SETUP_REVEN (1 << 5)
205 #define MFGPT_SETUP_CLKSEL (1 << 4)
207 static inline void geode_mfgpt_write(int timer, u16 reg, u16 value)
209 u32 base = geode_get_dev_base(GEODE_DEV_MFGPT);
210 outw(value, base + reg + (timer * 8));
213 static inline u16 geode_mfgpt_read(int timer, u16 reg)
215 u32 base = geode_get_dev_base(GEODE_DEV_MFGPT);
216 return inw(base + reg + (timer * 8));
219 extern int geode_mfgpt_toggle_event(int timer, int cmp, int event, int enable);
220 extern int geode_mfgpt_set_irq(int timer, int cmp, int irq, int enable);
221 extern int geode_mfgpt_alloc_timer(int timer, int domain);
223 #define geode_mfgpt_setup_irq(t, c, i) geode_mfgpt_set_irq((t), (c), (i), 1)
224 #define geode_mfgpt_release_irq(t, c, i) geode_mfgpt_set_irq((t), (c), (i), 0)
226 #ifdef CONFIG_GEODE_MFGPT_TIMER
227 extern int __init mfgpt_timer_setup(void);
229 static inline int mfgpt_timer_setup(void) { return 0; }