coreboot-kgpe-d16/src/soc/intel/cannonlake/gpio.c
Lijian Zhao ac87a9804b soc/intel/cannonlake: Add PMC pci drivers
Add PMC pci driver on top of PMC common code, also include pmc init code
reference from skylake.

Change-Id: I95895a3e26cdebd98a4e54720bd4730542707d7e
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/21251
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-09-20 01:22:18 +00:00

115 lines
3.5 KiB
C

/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 - 2017 Intel Corp.
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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 <intelblocks/gpio.h>
#include <intelblocks/pcr.h>
#include <soc/pcr_ids.h>
static const struct reset_mapping rst_map[] = {
{ .logical = PAD_CFG0_LOGICAL_RESET_RSMRST, .chipset = 0U << 30 },
{ .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 },
{ .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 },
};
static const struct reset_mapping rst_map_com0[] = {
{ .logical = PAD_CFG0_LOGICAL_RESET_PWROK, .chipset = 0U << 30 },
{ .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 },
{ .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 },
{ .logical = PAD_CFG0_LOGICAL_RESET_RSMRST, .chipset = 3U << 30 },
};
static const struct pad_community cnl_communities[] = {
{ /* GPP A, B, G */
.port = PID_GPIOCOM0,
.first_pad = GPP_A0,
.last_pad = GPP_G7,
.num_gpi_regs = NUM_GPIO_COM0_GPI_REGS,
.pad_cfg_base = PAD_CFG_BASE,
.host_own_reg_0 = HOSTSW_OWN_REG_0,
.gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
.gpi_smi_en_reg_0 = GPI_SMI_EN_0,
.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
.name = "GPP_ABG",
.acpi_path = "\\_SB.PCI0.GPIO",
.reset_map = rst_map_com0,
.num_reset_vals = ARRAY_SIZE(rst_map_com0),
}, { /* GPP D, F, H */
.port = PID_GPIOCOM1,
.first_pad = GPP_D0,
.last_pad = GPP_H23,
.num_gpi_regs = NUM_GPIO_COM1_GPI_REGS,
.pad_cfg_base = PAD_CFG_BASE,
.host_own_reg_0 = HOSTSW_OWN_REG_0,
.gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
.gpi_smi_en_reg_0 = GPI_SMI_EN_0,
.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
.name = "GPP_DFH",
.acpi_path = "\\_SB.PCI0.GPIO",
.reset_map = rst_map,
.num_reset_vals = ARRAY_SIZE(rst_map),
}, { /* GPD */
.port = PID_GPIOCOM2,
.first_pad = GPD0,
.last_pad = GPD11,
.num_gpi_regs = NUM_GPIO_COM2_GPI_REGS,
.pad_cfg_base = PAD_CFG_BASE,
.host_own_reg_0 = HOSTSW_OWN_REG_0,
.gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
.gpi_smi_en_reg_0 = GPI_SMI_EN_0,
.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
.name = "GPD",
.acpi_path = "\\_SB.PCI0.GPIO",
.reset_map = rst_map,
.num_reset_vals = ARRAY_SIZE(rst_map),
}, { /* GPP C, E */
.port = PID_GPIOCOM4,
.first_pad = GPP_C0,
.last_pad = GPP_E23,
.num_gpi_regs = NUM_GPIO_COM3_GPI_REGS,
.pad_cfg_base = PAD_CFG_BASE,
.host_own_reg_0 = HOSTSW_OWN_REG_0,
.gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
.gpi_smi_en_reg_0 = GPI_SMI_EN_0,
.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
.name = "GPP_CE",
.acpi_path = "\\_SB.PCI0.GPIO",
.reset_map = rst_map,
.num_reset_vals = ARRAY_SIZE(rst_map),
}
};
const struct pad_community *soc_gpio_get_community(size_t *num_communities)
{
*num_communities = ARRAY_SIZE(cnl_communities);
return cnl_communities;
}
const struct pmc_to_gpio_route *soc_pmc_gpio_routes(size_t *num)
{
static const struct pmc_to_gpio_route routes[] = {
{ GPP_A, GPP_A },
{ GPP_B, GPP_B },
{ GPP_C, GPP_C },
{ GPP_D, GPP_D },
{ GPP_E, GPP_E },
{ GPP_F, GPP_F },
{ GPP_G, GPP_G },
{ GPP_H, GPP_H },
{ GPD, GPD },
};
*num = ARRAY_SIZE(routes);
return routes;
}