/* * AMD Geode definitions * Copyright (C) 2006, Advanced Micro Devices, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public License * as published by the Free Software Foundation. */ #ifndef _ASM_X86_GEODE_H #define _ASM_X86_GEODE_H #include #include /* Generic southbridge functions */ #define GEODE_DEV_PMS 0 #define GEODE_DEV_ACPI 1 #define GEODE_DEV_GPIO 2 #define GEODE_DEV_MFGPT 3 extern int geode_get_dev_base(unsigned int dev); /* Useful macros */ #define geode_pms_base() geode_get_dev_base(GEODE_DEV_PMS) #define geode_acpi_base() geode_get_dev_base(GEODE_DEV_ACPI) #define geode_gpio_base() geode_get_dev_base(GEODE_DEV_GPIO) #define geode_mfgpt_base() geode_get_dev_base(GEODE_DEV_MFGPT) /* MSRS */ #define MSR_GLIU_P2D_RO0 0x10000029 #define MSR_LX_GLD_MSR_CONFIG 0x48002001 #define MSR_LX_MSR_PADSEL 0x48002011 /* NOT 0x48000011; the data * sheet has the wrong value */ #define MSR_GLCP_SYS_RSTPLL 0x4C000014 #define MSR_GLCP_DOTPLL 0x4C000015 #define MSR_LBAR_SMB 0x5140000B #define MSR_LBAR_GPIO 0x5140000C #define MSR_LBAR_MFGPT 0x5140000D #define MSR_LBAR_ACPI 0x5140000E #define MSR_LBAR_PMS 0x5140000F #define MSR_DIVIL_SOFT_RESET 0x51400017 #define MSR_PIC_YSEL_LOW 0x51400020 #define MSR_PIC_YSEL_HIGH 0x51400021 #define MSR_PIC_ZSEL_LOW 0x51400022 #define MSR_PIC_ZSEL_HIGH 0x51400023 #define MSR_PIC_IRQM_LPC 0x51400025 #define MSR_MFGPT_IRQ 0x51400028 #define MSR_MFGPT_NR 0x51400029 #define MSR_MFGPT_SETUP 0x5140002B #define MSR_LX_SPARE_MSR 0x80000011 /* DC-specific */ #define MSR_GX_GLD_MSR_CONFIG 0xC0002001 #define MSR_GX_MSR_PADSEL 0xC0002011 /* Resource Sizes */ #define LBAR_GPIO_SIZE 0xFF #define LBAR_MFGPT_SIZE 0x40 #define LBAR_ACPI_SIZE 0x40 #define LBAR_PMS_SIZE 0x80 /* ACPI registers (PMS block) */ /* * PM1_EN is only valid when VSA is enabled for 16 bit reads. * When VSA is not enabled, *always* read both PM1_STS and PM1_EN * with a 32 bit read at offset 0x0 */ #define PM1_STS 0x00 #define PM1_EN 0x02 #define PM1_CNT 0x08 #define PM2_CNT 0x0C #define PM_TMR 0x10 #define PM_GPE0_STS 0x18 #define PM_GPE0_EN 0x1C /* PMC registers (PMS block) */ #define PM_SSD 0x00 #define PM_SCXA 0x04 #define PM_SCYA 0x08 #define PM_OUT_SLPCTL 0x0C #define PM_SCLK 0x10 #define PM_SED 0x1 #define PM_SCXD 0x18 #define PM_SCYD 0x1C #define PM_IN_SLPCTL 0x20 #define PM_WKD 0x30 #define PM_WKXD 0x34 #define PM_RD 0x38 #define PM_WKXA 0x3C #define PM_FSD 0x40 #define PM_TSD 0x44 #define PM_PSD 0x48 #define PM_NWKD 0x4C #define PM_AWKD 0x50 #define PM_SSC 0x54 /* VSA2 magic values */ #define VSA_VRC_INDEX 0xAC1C #define VSA_VRC_DATA 0xAC1E #define VSA_VR_UNLOCK 0xFC53 /* unlock virtual register */ #define VSA_VR_SIGNATURE 0x0003 #define VSA_VR_MEM_SIZE 0x0200 #define AMD_VSA_SIG 0x4132 /* signature is ascii 'VSA2' */ #define GSW_VSA_SIG 0x534d /* General Software signature */ /* GPIO */ #define GPIO_OUTPUT_VAL 0x00 #define GPIO_OUTPUT_ENABLE 0x04 #define GPIO_OUTPUT_OPEN_DRAIN 0x08 #define GPIO_OUTPUT_INVERT 0x0C #define GPIO_OUTPUT_AUX1 0x10 #define GPIO_OUTPUT_AUX2 0x14 #define GPIO_PULL_UP 0x18 #define GPIO_PULL_DOWN 0x1C #define GPIO_INPUT_ENABLE 0x20 #define GPIO_INPUT_INVERT 0x24 #define GPIO_INPUT_FILTER 0x28 #define GPIO_INPUT_EVENT_COUNT 0x2C #define GPIO_READ_BACK 0x30 #define GPIO_INPUT_AUX1 0x34 #define GPIO_EVENTS_ENABLE 0x38 #define GPIO_LOCK_ENABLE 0x3C #define GPIO_POSITIVE_EDGE_EN 0x40 #define GPIO_NEGATIVE_EDGE_EN 0x44 #define GPIO_POSITIVE_EDGE_STS 0x48 #define GPIO_NEGATIVE_EDGE_STS 0x4C #define GPIO_MAP_X 0xE0 #define GPIO_MAP_Y 0xE4 #define GPIO_MAP_Z 0xE8 #define GPIO_MAP_W 0xEC static inline u32 geode_gpio(unsigned int nr) { BUG_ON(nr > 28); return 1 << nr; } extern void geode_gpio_set(u32, unsigned int); extern void geode_gpio_clear(u32, unsigned int); extern int geode_gpio_isset(u32, unsigned int); extern void geode_gpio_setup_event(unsigned int, int, int); extern void geode_gpio_set_irq(unsigned int, unsigned int); static inline void geode_gpio_event_irq(unsigned int gpio, int pair) { geode_gpio_setup_event(gpio, pair, 0); } static inline void geode_gpio_event_pme(unsigned int gpio, int pair) { geode_gpio_setup_event(gpio, pair, 1); } /* Specific geode tests */ static inline int is_geode_gx(void) { return ((boot_cpu_data.x86_vendor == X86_VENDOR_NSC) && (boot_cpu_data.x86 == 5) && (boot_cpu_data.x86_model == 5)); } static inline int is_geode_lx(void) { return ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) && (boot_cpu_data.x86 == 5) && (boot_cpu_data.x86_model == 10)); } static inline int is_geode(void) { return (is_geode_gx() || is_geode_lx()); } #ifdef CONFIG_MGEODE_LX extern int geode_has_vsa2(void); #else static inline int geode_has_vsa2(void) { return 0; } #endif /* 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 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); #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) #ifdef CONFIG_GEODE_MFGPT_TIMER extern int __init mfgpt_timer_setup(void); #else static inline int mfgpt_timer_setup(void) { return 0; } #endif #endif /* _ASM_X86_GEODE_H */