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authorArthur Heymans <arthur@aheymans.xyz>2019-11-19 18:46:44 +0100
committerKyösti Mälkki <kyosti.malkki@gmail.com>2019-11-21 06:41:09 +0000
commitd9802111122d6273c711eccd352d29d7f34ba4e2 (patch)
treec98f9aff4f07069b4fa72f74dcba48cf06514a70 /src/soc/intel/fsp_baytrail/gpio.c
parenteb5147027e974ba365aa4706935c7c9582cf7619 (diff)
soc/intel/fsp_baytrail: Drop support
Relocatable ramstage, postcar stage and C_ENVIRONMENT_BOOTBLOCK are now mandatory features, which this platform lacks. Change-Id: I0b0344f1ebed12207a77c985f27893a1353c0925 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36982 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Diffstat (limited to 'src/soc/intel/fsp_baytrail/gpio.c')
-rw-r--r--src/soc/intel/fsp_baytrail/gpio.c372
1 files changed, 0 insertions, 372 deletions
diff --git a/src/soc/intel/fsp_baytrail/gpio.c b/src/soc/intel/fsp_baytrail/gpio.c
deleted file mode 100644
index 3e2499accd..0000000000
--- a/src/soc/intel/fsp_baytrail/gpio.c
+++ /dev/null
@@ -1,372 +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.
- */
-
-#include <arch/io.h>
-#include <device/mmio.h>
-#include <device/pci.h>
-#include <console/console.h>
-#include <soc/gpio.h>
-#include <soc/pmc.h>
-
-/*
- * GPIO-to-Pad LUTs
- *
- * These tables translate the GPIO number to the pad configuration register
- * for that GPIO in the memory-mapped pad configuration registers.
- * See the tables:
- * PCU iLB GPIO CFIO_SCORE Address Map
- * PCU iLB GPIO CFIO_SSUS Address Map
- */
-static const u8 gpncore_gpio_to_pad[GPNCORE_COUNT] =
- { 19, 18, 17, 20, 21, 22, 24, 25, /* [ 0: 7] */
- 23, 16, 14, 15, 12, 26, 27, 1, /* [ 8:15] */
- 4, 8, 11, 0, 3, 6, 10, 13, /* [16:23] */
- 2, 5, 9 }; /* [24:26] */
-
-static const u8 gpscore_gpio_to_pad[GPSCORE_COUNT] =
- { 85, 89, 93, 96, 99, 102, 98, 101, /* [ 0: 7] */
- 34, 37, 36, 38, 39, 35, 40, 84, /* [ 8: 15] */
- 62, 61, 64, 59, 54, 56, 60, 55, /* [16: 23] */
- 63, 57, 51, 50, 53, 47, 52, 49, /* [24: 31] */
- 48, 43, 46, 41, 45, 42, 58, 44, /* [32: 39] */
- 95, 105, 70, 68, 67, 66, 69, 71, /* [40: 47] */
- 65, 72, 86, 90, 88, 92, 103, 77, /* [48: 55] */
- 79, 83, 78, 81, 80, 82, 13, 12, /* [56: 63] */
- 15, 14, 17, 18, 19, 16, 2, 1, /* [64: 71] */
- 0, 4, 6, 7, 9, 8, 33, 32, /* [72: 79] */
- 31, 30, 29, 27, 25, 28, 26, 23, /* [80: 87] */
- 21, 20, 24, 22, 5, 3, 10, 11, /* [88: 95] */
- 106, 87, 91, 104, 97, 100 }; /* [96:101] */
-
-static const u8 gpssus_gpio_to_pad[GPSSUS_COUNT] =
- { 29, 33, 30, 31, 32, 34, 36, 35, /* [ 0: 7] */
- 38, 37, 18, 7, 11, 20, 17, 1, /* [ 8:15] */
- 8, 10, 19, 12, 0, 2, 23, 39, /* [16:23] */
- 28, 27, 22, 21, 24, 25, 26, 51, /* [24:31] */
- 56, 54, 49, 55, 48, 57, 50, 58, /* [32:39] */
- 52, 53, 59, 40 }; /* [40:43] */
-
-
-/* GPIO bank descriptions */
-static const struct gpio_bank gpncore_bank = {
- .gpio_count = GPNCORE_COUNT,
- .gpio_to_pad = gpncore_gpio_to_pad,
- .legacy_base = GP_LEGACY_BASE_NONE,
- .pad_base = GPNCORE_PAD_BASE,
- .has_wake_en = 0,
- .gpio_f1_range_start = GPNCORE_GPIO_F1_RANGE_START,
- .gpio_f1_range_end = GPNCORE_GPIO_F1_RANGE_END,
-};
-
-static const struct gpio_bank gpscore_bank = {
- .gpio_count = GPSCORE_COUNT,
- .gpio_to_pad = gpscore_gpio_to_pad,
- .legacy_base = GPSCORE_LEGACY_BASE,
- .pad_base = GPSCORE_PAD_BASE,
- .has_wake_en = 0,
- .gpio_f1_range_start = GPSCORE_GPIO_F1_RANGE_START,
- .gpio_f1_range_end = GPSCORE_GPIO_F1_RANGE_END,
-};
-
-static const struct gpio_bank gpssus_bank = {
- .gpio_count = GPSSUS_COUNT,
- .gpio_to_pad = gpssus_gpio_to_pad,
- .legacy_base = GPSSUS_LEGACY_BASE,
- .pad_base = GPSSUS_PAD_BASE,
- .has_wake_en = 1,
- .gpio_f1_range_start = GPSSUS_GPIO_F1_RANGE_START,
- .gpio_f1_range_end = GPSSUS_GPIO_F1_RANGE_END,
-};
-
-
-static void setup_gpios(const struct soc_gpio_map *gpios,
- const struct gpio_bank *bank)
-{
- const struct soc_gpio_map *config;
- int gpio = 0;
- u32 reg, pad_conf0, *regmmio;
- u8 set, bit;
-
- u32 use_sel[4] = {0};
- u32 io_sel[4] = {0};
- u32 gp_lvl[4] = {0};
- u32 tpe[4] = {0};
- u32 tne[4] = {0};
- u32 wake_en[4] = {0};
-
- if (!gpios)
- return;
-
- for (config = gpios; config->pad_conf0 != GPIO_LIST_END;
- config++, gpio++) {
- if (gpio > bank->gpio_count)
- break;
-
- set = gpio >> 5;
- bit = gpio % 32;
-
- if (bank->legacy_base != GP_LEGACY_BASE_NONE) {
- /* Legacy IO configuration */
- use_sel[set] |= config->use_sel << bit;
- io_sel[set] |= config->io_sel << bit;
- gp_lvl[set] |= config->gp_lvl << bit;
- tpe[set] |= config->tpe << bit;
- tne[set] |= config->tne << bit;
-
- /* Some banks do not have wake_en ability */
- if (bank->has_wake_en)
- wake_en[set] |= config->wake_en << bit;
- }
-
- /* Pad configuration registers */
- regmmio = (u32 *)(bank->pad_base + 16 *
- bank->gpio_to_pad[gpio]);
-
- /* Add correct func to GPIO pad config */
- pad_conf0 = config->pad_conf0;
- if (config->is_gpio)
- {
- if (gpio >= bank->gpio_f1_range_start &&
- gpio <= bank->gpio_f1_range_end)
- pad_conf0 |= PAD_FUNC1;
- else
- pad_conf0 |= PAD_FUNC0;
- }
-
-#ifdef GPIO_DEBUG
- printk(BIOS_DEBUG, "Write Pad: Base(%p) - %x %x %x\n",
- regmmio, pad_conf0, config->pad_conf1, config->pad_val);
-#endif
-
- write32(regmmio + (PAD_CONF0_REG/sizeof(u32)), pad_conf0);
- write32(regmmio + (PAD_CONF1_REG/sizeof(u32)),
- config->pad_conf1);
- write32(regmmio + (PAD_VAL_REG/sizeof(u32)), config->pad_val);
- }
-
- if (bank->legacy_base != GP_LEGACY_BASE_NONE)
- for (set = 0; set <= (bank->gpio_count - 1) / 32; ++set) {
- reg = bank->legacy_base + 0x20 * set;
-
-#ifdef GPIO_DEBUG
- printk(BIOS_DEBUG,
- "Write GPIO: Reg(%x) - %x %x %x %x %x\n",
- reg, use_sel[set], io_sel[set], gp_lvl[set],
- tpe[set], tne[set]);
-#endif
-
- outl(use_sel[set], reg + LEGACY_USE_SEL_REG);
- outl(io_sel[set], reg + LEGACY_IO_SEL_REG);
- outl(gp_lvl[set], reg + LEGACY_GP_LVL_REG);
- outl(tpe[set], reg + LEGACY_TPE_REG);
- outl(tne[set], reg + LEGACY_TNE_REG);
-
- /* TS registers are WOC */
- outl(0, reg + LEGACY_TS_REG);
-
- if (bank->has_wake_en)
- outl(wake_en[set], reg + LEGACY_WAKE_EN_REG);
- }
-}
-
-static void setup_gpio_route(const struct soc_gpio_map *sus,
- const struct soc_gpio_map *core)
-{
- uint32_t route_reg = 0;
- int i;
-
- /* FIXME: SCI interrupts should be routed regardlessy. */
- if (!CONFIG(HAVE_SMI_HANDLER))
- return;
-
- for (i = 0; i < 8; i++) {
- /* SMI takes precedence and wake_en implies SCI. */
- if (sus[i].smi) {
- route_reg |= ROUTE_SMI << (2 * i);
- } else if (sus[i].sci) {
- route_reg |= ROUTE_SCI << (2 * i);
- }
-
- if (core[i].smi) {
- route_reg |= ROUTE_SMI << (2 * (i + 8));
- } else if (core[i].sci) {
- route_reg |= ROUTE_SCI << (2 * (i + 8));
- }
- }
-
- smm_southcluster_save_gpio_route(route_reg);
-}
-
-static void setup_dirqs(const u8 dirq[GPIO_MAX_DIRQS],
- const struct gpio_bank *bank)
-{
- u32 *reg = (u32 *)(bank->pad_base + PAD_BASE_DIRQ_OFFSET);
- u32 val;
- int i;
-
- /* Write all four DIRQ registers */
- for (i=0; i<4; ++i) {
- val = dirq[i * 4 + 3] << 24 | dirq[i * 4 + 2] << 16 |
- dirq[i * 4 + 1] << 8 | dirq[i * 4];
- write32(reg + i, val);
-#ifdef GPIO_DEBUG
- printk(BIOS_DEBUG, "Write DIRQ reg(%x) - %x\n",
- reg + i, val);
-#endif
- }
-}
-
-void setup_soc_gpios(struct soc_gpio_config *config)
-{
- if (config) {
- setup_gpios(config->ncore, &gpncore_bank);
- setup_gpios(config->score, &gpscore_bank);
- setup_gpios(config->ssus, &gpssus_bank);
- setup_gpio_route(config->ssus, config->score);
-
- if (config->core_dirq)
- setup_dirqs(*config->core_dirq, &gpscore_bank);
- if (config->sus_dirq)
- setup_dirqs(*config->sus_dirq, &gpssus_bank);
- }
-
-}
-
-struct soc_gpio_config* __weak mainboard_get_gpios(void)
-{
- printk(BIOS_DEBUG, "Default/empty GPIO config\n");
- return NULL;
-}
-
-/** \brief returns the input / output value from an SCORE GPIO
- *
- * @param gpio_num The GPIO number being read
- * @return The current input or output value of the GPIO
- */
-uint8_t read_score_gpio(uint8_t gpio_num)
-{
- uint8_t retval = 0;
- if (gpio_num < GPSCORE_COUNT)
- retval = score_get_gpio(gpscore_gpio_to_pad[gpio_num]);
-
- return retval;
-}
-
-/** \brief sets an output SCORE GPIO to desired value
- *
- * @param gpio_num The GPIO number being read
- * @param val The value this output must be set to (0 or 1)
- * @return void
- */
-void write_score_gpio(uint8_t gpio_num, uint8_t val)
-{
- if (gpio_num < GPSCORE_COUNT)
- score_set_gpio(gpscore_gpio_to_pad[gpio_num], val);
-}
-
-/** \brief returns the input / output value from an SSUS GPIO
- *
- * @param gpio_num The GPIO number being read
- * @return The current input or output value of the GPIO
- */
-uint8_t read_ssus_gpio(uint8_t gpio_num)
-{
- uint8_t retval = 0;
- if (gpio_num < GPSSUS_COUNT)
- retval = ssus_get_gpio(gpssus_gpio_to_pad[gpio_num]);
-
- return retval;
-}
-
-/** \brief sets an output SSUS GPIO to desired value
- *
- * @param gpio_num The GPIO number being read
- * @param val The value this output must be set to (0 or 1)
- * @return void
- */
-void write_ssus_gpio(uint8_t gpio_num, uint8_t val)
-{
- if (gpio_num < GPSSUS_COUNT)
- ssus_set_gpio(gpssus_gpio_to_pad[gpio_num], val);
-}
-
-/** \brief Sets up the function, pulls, and Input/Output of a Baytrail
- * SSUS (S5) or SCORE (S0) GPIO
- *
- * @param ssus_gpio 1 if SSUS GPIO is being configured 0 if SCORE GPIO
- * @param gpio_num The GPIO number being configured
- * @param pconf0 function, pull direction, and pull value
- * function: PAD_FUNC0 - PAD_FUNC7
- * pull assign: PAD_PULL_DISABLE / PAD_PULL_UP / PAD_PULL_DOWN
- * pull_value: PAD_PU_2K / PAD_PU_10K / PAD_PU_20K / PAD_PU_40K
- * @param pad_val input / output state and pad value
- * io state: PAD_VAL_INPUT / PAD_VAL_OUTPUT
- * pad value: PAD_VAL_HIGH / PAD_VAL_LOW
- */
-static void configure_ssus_score_gpio(uint8_t ssus_gpio, uint8_t gpio_num,
- uint32_t pconf0, uint32_t pad_val)
-{
- uint32_t reg;
- uint32_t *pad_addr;
- if (ssus_gpio)
- pad_addr = ssus_pconf0(gpssus_gpio_to_pad[gpio_num]);
- else
- pad_addr = score_pconf0(gpscore_gpio_to_pad[gpio_num]);
-
- if ((ssus_gpio && gpio_num >= GPSSUS_COUNT) ||
- (gpio_num >= GPSCORE_COUNT)){
- printk(BIOS_WARNING,"Warning: Invalid %s GPIO specified (%d)\n",
- ssus_gpio ? "SSUS" : "SCORE", gpio_num);
- return;
- }
-
- /*
- * Pad Configuration 0 Register
- * 2:0 - func_pin_mux
- * 8:7 - Pull assignment: 00 - Non pull 01 - Pull Up 10 - Pull down
- * 11 - reserved
- * 10:9 - Pull strength: 00 - 2K 01 - 10K 10 - 20K 11 - 40K
- */
- reg = PAD_CONFIG0_DEFAULT;
- reg |= pconf0 & 0x787;
- write32(pad_addr + (PAD_CONF0_REG/sizeof(u32)), reg);
-
- /*
- * Pad Value Register
- * 0: Pad value
- * 1: output enable (0 is enabled)
- * 2: input enable (0 is enabled)
- */
- reg = read32(pad_addr + (PAD_VAL_REG/sizeof(u32)));
- reg &= ~0x7;
- reg |= pad_val & 0x7;
- write32(pad_addr + (PAD_VAL_REG/sizeof(u32)), reg);
-}
-
-/** \brief Sets up the function, pulls, and Input/Output of a Baytrail S5 GPIO
- *
- */
-void configure_ssus_gpio(uint8_t gpio_num, uint32_t pconf0, uint32_t pad_val)
-{
- configure_ssus_score_gpio(1, gpio_num, pconf0, pad_val);
-}
-
-/** \brief Sets up the function, pulls, and Input/Output of a Baytrail S5 GPIO
- *
- */
-void configure_score_gpio(uint8_t gpio_num, uint32_t pconf0, uint32_t pad_val)
-{
- configure_ssus_score_gpio(0, gpio_num, pconf0, pad_val);
-}