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편집 파일: cs5535.h

/* SPDX-License-Identifier: GPL-2.0-only */ /* * AMD CS5535/CS5536 definitions * Copyright (C) 2006 Advanced Micro Devices, Inc. * Copyright (C) 2009 Andres Salomon <dilinger@collabora.co.uk> */ #ifndef _CS5535_H #define _CS5535_H #include <asm/msr.h> /* 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_RTC_DOMA_OFFSET 0x51400055 #define MSR_RTC_MONA_OFFSET 0x51400056 #define MSR_RTC_CEN_OFFSET 0x51400057 #define MSR_LX_SPARE_MSR 0x80000011 /* DC-specific */ #define MSR_GX_GLD_MSR_CONFIG 0xC0002001 #define MSR_GX_MSR_PADSEL 0xC0002011 static inline int cs5535_pic_unreqz_select_high(unsigned int group, unsigned int irq) { uint32_t lo, hi; rdmsr(MSR_PIC_ZSEL_HIGH, lo, hi); lo &= ~(0xF << (group * 4)); lo |= (irq & 0xF) << (group * 4); wrmsr(MSR_PIC_ZSEL_HIGH, lo, hi); return 0; } /* PIC registers */ #define CS5536_PIC_INT_SEL1 0x4d0 #define CS5536_PIC_INT_SEL2 0x4d1 /* resource sizes */ #define LBAR_GPIO_SIZE 0xFF #define LBAR_MFGPT_SIZE 0x40 #define LBAR_ACPI_SIZE 0x40 #define LBAR_PMS_SIZE 0x80 /* * PMC registers (PMS block) * It is only safe to access these registers as dword accesses. * See CS5536 Specification Update erratas 17 & 18 */ #define CS5536_PM_SCLK 0x10 #define CS5536_PM_IN_SLPCTL 0x20 #define CS5536_PM_WKXD 0x34 #define CS5536_PM_WKD 0x30 #define CS5536_PM_SSC 0x54 /* * PM registers (ACPI block) * It is only safe to access these registers as dword accesses. * See CS5536 Specification Update erratas 17 & 18 */ #define CS5536_PM1_STS 0x00 #define CS5536_PM1_EN 0x02 #define CS5536_PM1_CNT 0x08 #define CS5536_PM_GPE0_STS 0x18 #define CS5536_PM_GPE0_EN 0x1c /* CS5536_PM1_STS bits */ #define CS5536_WAK_FLAG (1 << 15) #define CS5536_RTC_FLAG (1 << 10) #define CS5536_PWRBTN_FLAG (1 << 8) /* CS5536_PM1_EN bits */ #define CS5536_PM_PWRBTN (1 << 8) #define CS5536_PM_RTC (1 << 10) /* CS5536_PM_GPE0_STS bits */ #define CS5536_GPIOM7_PME_FLAG (1 << 31) #define CS5536_GPIOM6_PME_FLAG (1 << 30) /* CS5536_PM_GPE0_EN bits */ #define CS5536_GPIOM7_PME_EN (1 << 31) #define CS5536_GPIOM6_PME_EN (1 << 30) /* 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 */ #include <linux/io.h> static inline int cs5535_has_vsa2(void) { static int has_vsa2 = -1; if (has_vsa2 == -1) { uint16_t val; /* * The VSA has virtual registers that we can query for a * signature. */ outw(VSA_VR_UNLOCK, VSA_VRC_INDEX); outw(VSA_VR_SIGNATURE, VSA_VRC_INDEX); val = inw(VSA_VRC_DATA); has_vsa2 = (val == AMD_VSA_SIG || val == GSW_VSA_SIG); } return has_vsa2; } /* GPIOs */ #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_FLTR7_AMOUNT 0xD8 #define GPIO_MAP_X 0xE0 #define GPIO_MAP_Y 0xE4 #define GPIO_MAP_Z 0xE8 #define GPIO_MAP_W 0xEC #define GPIO_FE7_SEL 0xF7 void cs5535_gpio_set(unsigned offset, unsigned int reg); void cs5535_gpio_clear(unsigned offset, unsigned int reg); int cs5535_gpio_isset(unsigned offset, unsigned int reg); int cs5535_gpio_set_irq(unsigned group, unsigned irq); void cs5535_gpio_setup_event(unsigned offset, int pair, int pme); /* 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) struct cs5535_mfgpt_timer; extern uint16_t cs5535_mfgpt_read(struct cs5535_mfgpt_timer *timer, uint16_t reg); extern void cs5535_mfgpt_write(struct cs5535_mfgpt_timer *timer, uint16_t reg, uint16_t value); extern int cs5535_mfgpt_toggle_event(struct cs5535_mfgpt_timer *timer, int cmp, int event, int enable); extern int cs5535_mfgpt_set_irq(struct cs5535_mfgpt_timer *timer, int cmp, int *irq, int enable); extern struct cs5535_mfgpt_timer *cs5535_mfgpt_alloc_timer(int timer, int domain); extern void cs5535_mfgpt_free_timer(struct cs5535_mfgpt_timer *timer); static inline int cs5535_mfgpt_setup_irq(struct cs5535_mfgpt_timer *timer, int cmp, int *irq) { return cs5535_mfgpt_set_irq(timer, cmp, irq, 1); } static inline int cs5535_mfgpt_release_irq(struct cs5535_mfgpt_timer *timer, int cmp, int *irq) { return cs5535_mfgpt_set_irq(timer, cmp, irq, 0); } #endif