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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Intel Corp.
* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for 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 <assert.h>
#include <intelblocks/gpio.h>
#include <intelblocks/pcr.h>
#include <soc/pcr_ids.h>
#include <soc/pm.h>
static const struct reset_mapping rst_map[] = {
{ .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 },
};
static const struct pad_group glk_community_audio_groups[] = {
INTEL_GPP(AUDIO_OFFSET, AUDIO_OFFSET, GPIO_175), /* AUDIO 0 */
};
static const struct pad_group glk_community_nw_groups[] = {
INTEL_GPP(NW_OFFSET, NW_OFFSET, GPIO_31), /* NORTHWEST 0 */
INTEL_GPP(NW_OFFSET, GPIO_32, GPIO_63), /* NORTHWEST 1 */
INTEL_GPP(NW_OFFSET, GPIO_64, GPIO_214), /* NORTHWEST 2 */
};
static const struct pad_group glk_community_scc_groups[] = {
INTEL_GPP(SCC_OFFSET, SCC_OFFSET, GPIO_206), /* SCC 0 */
INTEL_GPP(SCC_OFFSET, GPIO_207, GPIO_209), /* SCC 1 */
};
static const struct pad_group glk_community_n_groups[] = {
INTEL_GPP(N_OFFSET, N_OFFSET, GPIO_107), /* NORTH 0 */
INTEL_GPP(N_OFFSET, GPIO_108, GPIO_139), /* NORTH 1 */
INTEL_GPP(N_OFFSET, GPIO_140, GPIO_155), /* NORTH 2 */
};
static const struct pad_community glk_gpio_communities[] = {
{
.port = PID_GPIO_NW,
.first_pad = NW_OFFSET,
.last_pad = GPIO_214,
.num_gpi_regs = NUM_NW_GPI_REGS,
.gpi_status_offset = 0,
.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 = "GPIO_NORTHWEST",
.acpi_path = "\\_SB.GPO0",
.reset_map = rst_map,
.num_reset_vals = ARRAY_SIZE(rst_map),
.groups = glk_community_nw_groups,
.num_groups = ARRAY_SIZE(glk_community_nw_groups),
}, {
.port = PID_GPIO_N,
.first_pad = N_OFFSET,
.last_pad = GPIO_155,
.num_gpi_regs = NUM_N_GPI_REGS,
.gpi_status_offset = NUM_NW_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 = "GPIO_NORTH",
.acpi_path = "\\_SB.GPO1",
.reset_map = rst_map,
.num_reset_vals = ARRAY_SIZE(rst_map),
.groups = glk_community_n_groups,
.num_groups = ARRAY_SIZE(glk_community_n_groups),
}, {
.port = PID_GPIO_AUDIO,
.first_pad = AUDIO_OFFSET,
.last_pad = GPIO_175,
.num_gpi_regs = NUM_AUDIO_GPI_REGS,
.gpi_status_offset = NUM_NW_GPI_REGS + NUM_N_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 = "GPIO_AUDIO",
.acpi_path = "\\_SB.GPO2",
.reset_map = rst_map,
.num_reset_vals = ARRAY_SIZE(rst_map),
.groups = glk_community_audio_groups,
.num_groups = ARRAY_SIZE(glk_community_audio_groups),
}, {
.port = PID_GPIO_SCC,
.first_pad = SCC_OFFSET,
.last_pad = GPIO_209,
.num_gpi_regs = NUM_SCC_GPI_REGS,
.gpi_status_offset = NUM_NW_GPI_REGS + NUM_N_GPI_REGS +
NUM_AUDIO_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 = "GPIO_SCC",
.acpi_path = "\\_SB.GPO3",
.reset_map = rst_map,
.num_reset_vals = ARRAY_SIZE(rst_map),
.groups = glk_community_scc_groups,
.num_groups = ARRAY_SIZE(glk_community_scc_groups),
},
};
const struct pad_community *soc_gpio_get_community(size_t *num_communities)
{
*num_communities = ARRAY_SIZE(glk_gpio_communities);
return glk_gpio_communities;
}
const struct pmc_to_gpio_route *soc_pmc_gpio_routes(size_t *num)
{
static const struct pmc_to_gpio_route routes[] = {
{ PMC_GPE_SCC_31_0, GPIO_GPE_SCC_31_0 },
{ PMC_GPE_SCC_63_32, GPIO_GPE_SCC_63_32 },
{ PMC_GPE_NW_31_0, GPIO_GPE_NW_31_0 },
{ PMC_GPE_NW_63_32, GPIO_GPE_NW_63_32 },
{ PMC_GPE_NW_95_64, GPIO_GPE_NW_95_64 },
/*
* PMC_GPE_NW_127_96 maps to GPIO group 3, which is reserved and
* cannot be set in GPE0_DWx. Hence, it is skipped here.
*/
{ PMC_GPE_N_31_0, GPIO_GPE_N_31_0 },
{ PMC_GPE_N_63_32, GPIO_GPE_N_63_32 },
{ PMC_GPE_N_95_64, GPIO_GPE_N_95_64 },
{ PMC_GPE_AUDIO_31_0, GPIO_GPE_AUDIO_31_0 },
};
*num = ARRAY_SIZE(routes);
return routes;
}
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