diff options
author | Ben Gardner <gardner.ben@gmail.com> | 2015-12-08 21:20:25 -0600 |
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committer | Martin Roth <martinroth@google.com> | 2015-12-16 01:10:06 +0100 |
commit | fa6014a6ec8253de8c86b0180221856a1398e70b (patch) | |
tree | 55d71de574980b69930abed6bf3733050e6b69ac /src/soc/intel/fsp_baytrail/baytrail/gpio.h | |
parent | 1e1c7ac3b4cb6d85eb602e04b0e4da8c042846c0 (diff) |
intel/fsp_baytrail: rename include folder baytrail to include/soc
This is to match the layout of the non-fsp baytrail to make comparisons
easier and possibly remove duplicate files.
Change-Id: I9a94842d724ab3826de711d398227e7bdc1045ff
Signed-off-by: Ben Gardner <gardner.ben@gmail.com>
Reviewed-on: https://review.coreboot.org/12686
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Diffstat (limited to 'src/soc/intel/fsp_baytrail/baytrail/gpio.h')
-rw-r--r-- | src/soc/intel/fsp_baytrail/baytrail/gpio.h | 444 |
1 files changed, 0 insertions, 444 deletions
diff --git a/src/soc/intel/fsp_baytrail/baytrail/gpio.h b/src/soc/intel/fsp_baytrail/baytrail/gpio.h deleted file mode 100644 index 736f3ce01f..0000000000 --- a/src/soc/intel/fsp_baytrail/baytrail/gpio.h +++ /dev/null @@ -1,444 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2013 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef _BAYTRAIL_GPIO_H_ -#define _BAYTRAIL_GPIO_H_ - -#include <stdint.h> -#include <arch/io.h> -#include <baytrail/iomap.h> - -/* #define GPIO_DEBUG */ - -/* Pad base, ex. PAD_CONF0[n]= PAD_BASE+16*n */ -#define GPSCORE_PAD_BASE (IO_BASE_ADDRESS + IO_BASE_OFFSET_GPSCORE) -#define GPNCORE_PAD_BASE (IO_BASE_ADDRESS + IO_BASE_OFFSET_GPNCORE) -#define GPSSUS_PAD_BASE (IO_BASE_ADDRESS + IO_BASE_OFFSET_GPSSUS) - -/* DIRQ registers start at pad base + 0x980 */ -#define PAD_BASE_DIRQ_OFFSET 0x980 - -/* Pad register offset */ -#define PAD_CONF0_REG 0x0 -#define PAD_CONF1_REG 0x4 -#define PAD_VAL_REG 0x8 - -/* Legacy IO register base */ -#define GPSCORE_LEGACY_BASE (GPIO_BASE_ADDRESS + 0x00) -#define GPSSUS_LEGACY_BASE (GPIO_BASE_ADDRESS + 0x80) -/* Some banks have no legacy GPIO interface */ -#define GP_LEGACY_BASE_NONE 0xFFFF - -#define LEGACY_USE_SEL_REG 0x00 -#define LEGACY_IO_SEL_REG 0x04 -#define LEGACY_GP_LVL_REG 0x08 -#define LEGACY_TPE_REG 0x0C -#define LEGACY_TNE_REG 0x10 -#define LEGACY_TS_REG 0x14 -#define LEGACY_WAKE_EN_REG 0x18 - -/* Number of GPIOs in each bank */ -#define GPNCORE_COUNT 27 -#define GPSCORE_COUNT 102 -#define GPSSUS_COUNT 44 - -/* GPIO legacy IO register settings */ -#define GPIO_USE_MMIO 0 -#define GPIO_USE_LEGACY 1 - -#define GPIO_DIR_OUTPUT 0 -#define GPIO_DIR_INPUT 1 - -#define GPIO_LEVEL_LOW 0 -#define GPIO_LEVEL_HIGH 1 - -#define GPIO_PEDGE_DISABLE 0 -#define GPIO_PEDGE_ENABLE 1 - -#define GPIO_NEDGE_DISABLE 0 -#define GPIO_NEDGE_ENABLE 1 - -/* config0[29] - Disable second mask */ -#define PAD_MASK2_DISABLE (1 << 29) - -/* config0[27] - Direct Irq En */ -#define PAD_IRQ_EN (1 << 27) - -/* config0[26] - gd_tne */ -#define PAD_TNE_IRQ (1 << 26) - -/* config0[25] - gd_tpe */ -#define PAD_TPE_IRQ (1 << 25) - -/* config0[24] - Gd Level */ -#define PAD_LEVEL_IRQ (1 << 24) -#define PAD_EDGE_IRQ (0 << 24) - -/* config0[17] - Slow clkgate / glitch filter */ -#define PAD_SLOWGF_ENABLE (1 << 17) - -/* config0[16] - Fast clkgate / glitch filter */ -#define PAD_FASTGF_ENABLE (1 << 16) - -/* config0[15] - Hysteresis enable (inverted) */ -#define PAD_HYST_DISABLE (1 << 15) -#define PAD_HYST_ENABLE (0 << 15) - -/* config0[14:13] - Hysteresis control */ -#define PAD_HYST_CTRL_DEFAULT (2 << 13) - -/* config0[11] - Bypass Flop */ -#define PAD_FLOP_BYPASS (1 << 11) -#define PAD_FLOP_ENABLE (0 << 11) - -/* config0[10:9] - Pull str */ -#define PAD_PU_2K (0 << 9) -#define PAD_PU_10K (1 << 9) -#define PAD_PU_20K (2 << 9) -#define PAD_PU_40K (3 << 9) - -/* config0[8:7] - Pull assign */ -#define PAD_PULL_DISABLE (0 << 7) -#define PAD_PULL_UP (1 << 7) -#define PAD_PULL_DOWN (2 << 7) - -/* config0[2:0] - Func. pin mux */ -#define PAD_FUNC0 0x0 -#define PAD_FUNC1 0x1 -#define PAD_FUNC2 0x2 -#define PAD_FUNC3 0x3 -#define PAD_FUNC4 0x4 -#define PAD_FUNC5 0x5 -#define PAD_FUNC6 0x6 - -/* pad config0 power-on values - We will not often want to change these */ -#define PAD_CONFIG0_DEFAULT (PAD_MASK2_DISABLE | PAD_SLOWGF_ENABLE | \ - PAD_FASTGF_ENABLE | PAD_HYST_DISABLE | \ - PAD_HYST_CTRL_DEFAULT | PAD_FLOP_BYPASS) - -/* pad config1 reg power-on values - Shouldn't need to change this */ -#define PAD_CONFIG1_DEFAULT 0x8000 - -/* pad_val[2] - Iinenb - active low */ -#define PAD_VAL_INPUT_DISABLE (1 << 2) -#define PAD_VAL_INPUT_ENABLE (0 << 2) - -/* pad_val[1] - Ioutenb - active low */ -#define PAD_VAL_OUTPUT_DISABLE (1 << 1) -#define PAD_VAL_OUTPUT_ENABLE (0 << 1) - -/* Input / Output state should usually be mutually exclusive */ -#define PAD_VAL_INPUT (PAD_VAL_INPUT_ENABLE | PAD_VAL_OUTPUT_DISABLE) -#define PAD_VAL_OUTPUT (PAD_VAL_OUTPUT_ENABLE | PAD_VAL_INPUT_DISABLE) - -/* pad_val[0] - Value */ -#define PAD_VAL_HIGH (1 << 0) -#define PAD_VAL_LOW (0 << 0) - -/* pad_val reg power-on default varies by pad, and apparently can cause issues - * if not set correctly, even if the pin isn't configured as GPIO. */ -#define PAD_VAL_DEFAULT PAD_VAL_INPUT - -/* Configure GPIOs as MMIO by default */ -#define GPIO_INPUT_PU_10K \ - { .pad_conf0 = PAD_PU_10K | PAD_PULL_UP | PAD_CONFIG0_DEFAULT, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_INPUT, \ - .use_sel = GPIO_USE_MMIO, \ - .is_gpio = 1 } - -#define GPIO_INPUT_PD_10K \ - { .pad_conf0 = PAD_PU_10K | PAD_PULL_DOWN | PAD_CONFIG0_DEFAULT, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_INPUT, \ - .use_sel = GPIO_USE_MMIO, \ - .is_gpio = 1 } - -#define GPIO_INPUT_PU_20K \ - { .pad_conf0 = PAD_PU_20K | PAD_PULL_UP | PAD_CONFIG0_DEFAULT, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_INPUT, \ - .use_sel = GPIO_USE_MMIO, \ - .is_gpio = 1 } - -#define GPIO_INPUT_PD_20K \ - { .pad_conf0 = PAD_PU_20K | PAD_PULL_DOWN | PAD_CONFIG0_DEFAULT, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_INPUT, \ - .use_sel = GPIO_USE_MMIO, \ - .is_gpio = 1 } - -#define GPIO_INPUT_NOPU \ - { .pad_conf0 = PAD_PU_10K | PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_INPUT, \ - .use_sel = GPIO_USE_MMIO, \ - .is_gpio = 1 } - -#define GPIO_INPUT_LEGACY_NOPU \ - { .pad_conf0 = PAD_PU_10K | PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_INPUT, \ - .use_sel = GPIO_USE_LEGACY, \ - .io_sel = GPIO_DIR_INPUT, \ - .is_gpio = 1 } - -/* Direct / dedicated IRQ input - pass signal directly to apic */ -#define GPIO_DIRQ \ - { .pad_conf0 = PAD_PU_10K | PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT \ - | PAD_FUNC0 | PAD_IRQ_EN | PAD_TPE_IRQ | PAD_LEVEL_IRQ, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_INPUT, } - -#define GPIO_OUT_LOW_LEGACY \ - { .pad_conf0 = PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_OUTPUT | PAD_VAL_LOW, \ - .use_sel = GPIO_USE_LEGACY, \ - .io_sel = GPIO_DIR_OUTPUT, \ - .gp_lvl = GPIO_LEVEL_LOW, \ - .is_gpio = 1 } - -#define GPIO_OUT_HIGH_LEGACY \ - { .pad_conf0 = PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_OUTPUT | PAD_VAL_HIGH, \ - .use_sel = GPIO_USE_LEGACY, \ - .io_sel = GPIO_DIR_OUTPUT, \ - .gp_lvl = GPIO_LEVEL_HIGH, \ - .is_gpio = 1 } - -#define GPIO_OUT_LOW \ - { .pad_conf0 = PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_OUTPUT | PAD_VAL_LOW, \ - .use_sel = GPIO_USE_MMIO, \ - .io_sel = GPIO_DIR_OUTPUT, \ - .gp_lvl = GPIO_LEVEL_LOW, \ - .is_gpio = 1 } - -#define GPIO_OUT_HIGH \ - { .pad_conf0 = PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_OUTPUT | PAD_VAL_HIGH, \ - .use_sel = GPIO_USE_MMIO, \ - .io_sel = GPIO_DIR_OUTPUT, \ - .gp_lvl = GPIO_LEVEL_HIGH, \ - .is_gpio = 1 } - -/* Define no-pull / PU / PD configs for each functional config option */ -#define GPIO_FUNC(_func, _pudir, _str) \ - { .use_sel = GPIO_USE_MMIO, \ - .pad_conf0 = PAD_FUNC##_func | PAD_##_pudir | PAD_PU_##_str | \ - PAD_CONFIG0_DEFAULT, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_DEFAULT } - -/* Default functional configs -- no PU */ -#define GPIO_FUNC0 GPIO_FUNC(0, PULL_DISABLE, 10K) -#define GPIO_FUNC1 GPIO_FUNC(1, PULL_DISABLE, 10K) -#define GPIO_FUNC2 GPIO_FUNC(2, PULL_DISABLE, 10K) -#define GPIO_FUNC3 GPIO_FUNC(3, PULL_DISABLE, 10K) -#define GPIO_FUNC4 GPIO_FUNC(4, PULL_DISABLE, 10K) -#define GPIO_FUNC5 GPIO_FUNC(5, PULL_DISABLE, 10K) -#define GPIO_FUNC6 GPIO_FUNC(6, PULL_DISABLE, 10K) - -/* ACPI GPIO routing. Assume everything is externally pulled and negative edge - * triggered. SCI implies WAKE, but WAKE doesn't imply SCI. */ -#define GPIO_ACPI_SCI \ - { .pad_conf0 = PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT | PAD_FUNC0, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_INPUT, \ - .use_sel = GPIO_USE_LEGACY, \ - .io_sel = GPIO_DIR_INPUT, \ - .tne = 1, \ - .sci = 1, \ - .wake_en = 1, } -#define GPIO_ACPI_WAKE \ - { .pad_conf0 = PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT | PAD_FUNC0, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_INPUT, \ - .use_sel = GPIO_USE_LEGACY, \ - .io_sel = GPIO_DIR_INPUT, \ - .tne = 1, \ - .wake_en = 1, } -#define GPIO_ACPI_SMI \ - { .pad_conf0 = PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT | PAD_FUNC0, \ - .pad_conf1 = PAD_CONFIG1_DEFAULT, \ - .pad_val = PAD_VAL_INPUT, \ - .use_sel = GPIO_USE_LEGACY, \ - .io_sel = GPIO_DIR_INPUT, \ - .tne = 1, \ - .smi = 1} - -/* End marker */ -#define GPIO_LIST_END 0xffffffff - -#define GPIO_END \ - { .pad_conf0 = GPIO_LIST_END } - -/* Common default GPIO settings */ -#define GPIO_INPUT GPIO_INPUT_NOPU -#define GPIO_INPUT_LEGACY GPIO_INPUT_LEGACY_NOPU -#define GPIO_INPUT_PU GPIO_INPUT_PU_10K -#define GPIO_INPUT_PD GPIO_INPUT_PD_10K -#define GPIO_NC GPIO_INPUT_PU_10K -#define GPIO_DEFAULT GPIO_FUNC0 - -/* 16 DirectIRQs per supported bank */ -#define GPIO_MAX_DIRQS 16 - -/* Most pins are GPIO function 0. Some banks have a range of pins with GPIO - * function 1. Indicate first / last GPIOs with function 1. */ -#define GPIO_NONE 255 -/* All NCORE GPIOs are function 0 */ -#define GPNCORE_GPIO_F1_RANGE_START GPIO_NONE -#define GPNCORE_GPIO_F1_RANGE_END GPIO_NONE -/* SCORE GPIO [92:93] are function 1 */ -#define GPSCORE_GPIO_F1_RANGE_START 92 -#define GPSCORE_GPIO_F1_RANGE_END 93 -/* SSUS GPIO [11:21] are function 1 */ -#define GPSSUS_GPIO_F1_RANGE_START 11 -#define GPSSUS_GPIO_F1_RANGE_END 21 - -#ifndef __BOOTBLOCK__ - -struct soc_gpio_map { - u32 pad_conf0; - u32 pad_conf1; - u32 pad_val; - u32 use_sel : 1; - u32 io_sel : 1; - u32 gp_lvl : 1; - u32 tpe : 1; - u32 tne : 1; - u32 wake_en : 1; - u32 smi : 1; - u32 is_gpio : 1; - u32 sci : 1; -} __attribute__ ((packed)); - -struct soc_gpio_config { - const struct soc_gpio_map *ncore; - const struct soc_gpio_map *score; - const struct soc_gpio_map *ssus; - const u8 (*core_dirq)[GPIO_MAX_DIRQS]; - const u8 (*sus_dirq)[GPIO_MAX_DIRQS]; -}; - -/* Description of GPIO 'bank' ex. {ncore, score. ssus} */ -struct gpio_bank { - const int gpio_count; - const u8* gpio_to_pad; - const int legacy_base; - const unsigned long pad_base; - const u8 has_wake_en :1; - const u8 gpio_f1_range_start; - const u8 gpio_f1_range_end; -}; - -void setup_soc_gpios(struct soc_gpio_config *config); -/* This function is weak and can be overridden by a mainboard function. */ -struct soc_gpio_config* mainboard_get_gpios(void); -uint8_t read_score_gpio(uint8_t gpio_num); -void write_score_gpio(uint8_t gpio_num, uint8_t val); -uint8_t read_ssus_gpio(uint8_t gpio_num); -void write_ssus_gpio(uint8_t gpio_num, uint8_t val); -void configure_ssus_gpio(uint8_t gpio_num, uint32_t pconf0, uint32_t pad_val); -void configure_score_gpio(uint8_t gpio_num, uint32_t pconf0, uint32_t pad_val); - -#endif /* #ifndef __BOOTBLOCK__ */ - -/* Functions / defines for changing GPIOs in romstage */ -/* SCORE Pad definitions. */ -#define UART_RXD_PAD 82 -#define UART_TXD_PAD 83 -#define PCU_SMB_CLK_PAD 88 -#define PCU_SMB_DATA_PAD 90 - -static inline uint32_t *score_pconf0(int pad_num) -{ - return (uint32_t *)(GPSCORE_PAD_BASE + pad_num * 16); -} - -static inline uint32_t *ssus_pconf0(int pad_num) -{ - return (uint32_t *)(GPSSUS_PAD_BASE + pad_num * 16); -} - -static inline void score_select_func(int pad, int func) -{ - uint32_t reg; - uint32_t *pconf0_addr = score_pconf0(pad); - - reg = read32(pconf0_addr); - reg &= ~0x7; - reg |= func & 0x7; - write32(pconf0_addr, reg); -} - -static inline void ssus_select_func(int pad, int func) -{ - uint32_t reg; - uint32_t *pconf0_addr = ssus_pconf0(pad); - - reg = read32(pconf0_addr); - reg &= ~0x7; - reg |= func & 0x7; - write32(pconf0_addr, reg); -} - -#ifndef __BOOTBLOCK__ - -/* These functions require that the input pad be configured as an input GPIO */ -static inline int score_get_gpio(int pad) -{ - uint32_t *val_addr = score_pconf0(pad) + (PAD_VAL_REG/sizeof(uint32_t)); - - return read32(val_addr) & PAD_VAL_HIGH; -} - -static inline int ssus_get_gpio(int pad) -{ - uint32_t *val_addr = ssus_pconf0(pad) + (PAD_VAL_REG/sizeof(uint32_t)); - - return read32(val_addr) & PAD_VAL_HIGH; -} - -/* These functions require that the output pad is configured as an output */ -/* GPIO and is mapped to memory space and not IO space. */ -static inline void score_set_gpio(int pad, int val) -{ - uint32_t *val_addr = score_pconf0(pad) + (PAD_VAL_REG/sizeof(uint32_t)); - - write32(val_addr, ((read32(val_addr) & ~0x1) | val)); -} - -static inline void ssus_set_gpio(int pad, int val) -{ - uint32_t *val_addr = ssus_pconf0(pad) + (PAD_VAL_REG/sizeof(uint32_t)); - - write32(val_addr, ((read32(val_addr) & ~0x1) | val)); -} - -static inline void ssus_disable_internal_pull(int pad) -{ - const uint32_t pull_mask = ~(0xf << 7); - write32(ssus_pconf0(pad), read32(ssus_pconf0(pad)) & pull_mask); -} - -#endif /* #ifndef __BOOTBLOCK__ */ - -#endif /* _BAYTRAIL_GPIO_H_ */ |