| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <intelblocks/gpio.h> |
| #include <intelblocks/pcr.h> |
| #include <soc/pcr_ids.h> |
| #include <soc/pmc.h> |
| |
| #define DEFAULT_VW_BASE 0x10 |
| |
| static const struct reset_mapping rst_map[] = { |
| { .logical = PAD_RESET(RSMRST), .chipset = 0U << 30 }, |
| { .logical = PAD_RESET(DEEP), .chipset = 1U << 30 }, |
| { .logical = PAD_RESET(PLTRST), .chipset = 2U << 30 }, |
| }; |
| static const struct reset_mapping rst_map_com3[] = { |
| { .logical = PAD_RESET(PWROK), .chipset = 0U << 30 }, |
| { .logical = PAD_RESET(DEEP), .chipset = 1U << 30 }, |
| { .logical = PAD_RESET(PLTRST), .chipset = 2U << 30 }, |
| { .logical = PAD_RESET(RSMRST), .chipset = 3U << 30 }, |
| }; |
| |
| /* |
| * The GPIO pinctrl driver for Meteor Lake on Linux expects 32 GPIOs per pad |
| * group, regardless of whether or not there is a physical pad for each |
| * exposed GPIO number. |
| * |
| * This results in the OS having a sparse GPIO map, and devices that need |
| * to export an ACPI GPIO must use the OS expected number. |
| * |
| * Not all pins are usable as GPIO and those groups do not have a pad base. |
| */ |
| static const struct pad_group mtl_community0_groups[] = { |
| INTEL_GPP(GPP_PECI, GPP_PECI, GPP_VIDALERT_B), /* GPP_CPU */ |
| INTEL_GPP_BASE(GPP_PECI, GPP_V0, GPP_V23, 0), /* GPP_V */ |
| INTEL_GPP_BASE(GPP_PECI, GPP_C0, GPP_C23, 32), /* GPP_C */ |
| }; |
| |
| static const struct vw_entries mtl_community0_vw[] = { |
| {GPP_C0, GPP_C23}, |
| }; |
| |
| static const struct pad_group mtl_community1_groups[] = { |
| INTEL_GPP_BASE(GPP_A0, GPP_A0, GPP_ESPI_CLK_LPBK, 64), /* GPP_A */ |
| INTEL_GPP_BASE(GPP_A0, GPP_E0, GPP_THC0_GSPI_CLK_LPBK, 96), /* GPP_E */ |
| }; |
| |
| static const struct vw_entries mtl_community1_vw[] = { |
| {GPP_A0, GPP_A20}, |
| {GPP_E0, GPP_E23}, |
| }; |
| |
| static const struct pad_group mtl_community3_groups[] = { |
| INTEL_GPP_BASE(GPP_H0, GPP_H0, GPP_LPI3C0_CLK_LPBK, 128), /* GPP_H */ |
| INTEL_GPP_BASE(GPP_H0, GPP_F0, GPP_GSPI0A_CLK_LOOPBK, 160), /* GPP_F */ |
| INTEL_GPP(GPP_H0, GPP_SPI0_IO_2, GPP_SPI0_CLK_LOOPBK), /* GPP_SPI0 */ |
| INTEL_GPP(GPP_H0, GPP_VGPIO3_USB0, GPP_VGPIO3_THC3), /* GPP_VGPIO3 */ |
| }; |
| |
| static const struct vw_entries mtl_community3_vw[] = { |
| {GPP_H0, GPP_H23}, |
| {GPP_F0, GPP_F23}, |
| }; |
| |
| static const struct pad_group mtl_community4_groups[] = { |
| INTEL_GPP_BASE(GPP_S0, GPP_S0, GPP_S7, 192), /* GPP_S */ |
| INTEL_GPP(GPP_S0, GPP_JTAG_MBPB0, GPP_JTAG_TRST_B), /* GPP_JTAG */ |
| }; |
| |
| static const struct pad_group mtl_community5_groups[] = { |
| INTEL_GPP_BASE(GPP_B0, GPP_B0, GPP_ACI3C0_CLK_LPBK, 224), /* GPP_B */ |
| INTEL_GPP_BASE(GPP_B0, GPP_D0, GPP_BOOTHALT_B, 256), /* GPP_D */ |
| INTEL_GPP(GPP_B0, GPP_VGPIO0, GPP_VGPIO47), /* GPP_VGPIO */ |
| }; |
| |
| static const struct vw_entries mtl_community5_vw[] = { |
| {GPP_B0, GPP_B23}, |
| {GPP_D0, GPP_D23}, |
| }; |
| |
| static const struct pad_community mtl_communities[] = { |
| [COMM_0] = { /* GPP CPU, V, C */ |
| .port = PID_GPIOCOM0, |
| .first_pad = GPIO_COM0_START, |
| .last_pad = GPIO_COM0_END, |
| .num_gpi_regs = NUM_GPIO_COM0_GPI_REGS, |
| .pad_cfg_base = PAD_CFG_BASE, |
| .pad_cfg_lock_offset = PAD_CFG_LOCK_OFFSET, |
| .host_own_reg_0 = HOSTSW_OWN_REG_0, |
| .gpi_int_sts_reg_0 = GPI_INT_STS_0, |
| .gpi_int_en_reg_0 = GPI_INT_EN_0, |
| .gpi_gpe_sts_reg_0 = GPI_GPE_STS_0, |
| .gpi_gpe_en_reg_0 = GPI_GPE_EN_0, |
| .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, |
| .gpi_smi_en_reg_0 = GPI_SMI_EN_0, |
| .gpi_nmi_sts_reg_0 = GPI_NMI_STS_0, |
| .gpi_nmi_en_reg_0 = GPI_NMI_EN_0, |
| .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, |
| .name = "GPP_CPUVC", |
| .acpi_path = "\\_SB.PCI0.GPIO", |
| .reset_map = rst_map, |
| .num_reset_vals = ARRAY_SIZE(rst_map), |
| .groups = mtl_community0_groups, |
| .num_groups = ARRAY_SIZE(mtl_community0_groups), |
| .vw_base = DEFAULT_VW_BASE, |
| .vw_entries = mtl_community0_vw, |
| .num_vw_entries = ARRAY_SIZE(mtl_community0_vw), |
| }, |
| [COMM_1] = { /* GPP A, E */ |
| .port = PID_GPIOCOM1, |
| .first_pad = GPIO_COM1_START, |
| .last_pad = GPIO_COM1_END, |
| .num_gpi_regs = NUM_GPIO_COM1_GPI_REGS, |
| .pad_cfg_base = PAD_CFG_BASE, |
| .pad_cfg_lock_offset = PAD_CFG_LOCK_OFFSET, |
| .host_own_reg_0 = HOSTSW_OWN_REG_0, |
| .gpi_int_sts_reg_0 = GPI_INT_STS_0, |
| .gpi_int_en_reg_0 = GPI_INT_EN_0, |
| .gpi_gpe_sts_reg_0 = GPI_GPE_STS_0, |
| .gpi_gpe_en_reg_0 = GPI_GPE_EN_0, |
| .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, |
| .gpi_smi_en_reg_0 = GPI_SMI_EN_0, |
| .gpi_nmi_sts_reg_0 = GPI_NMI_STS_0, |
| .gpi_nmi_en_reg_0 = GPI_NMI_EN_0, |
| .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, |
| .name = "GPP_AE", |
| .acpi_path = "\\_SB.PCI0.GPIO", |
| .reset_map = rst_map, |
| .num_reset_vals = ARRAY_SIZE(rst_map), |
| .groups = mtl_community1_groups, |
| .num_groups = ARRAY_SIZE(mtl_community1_groups), |
| .vw_base = DEFAULT_VW_BASE, |
| .vw_entries = mtl_community1_vw, |
| .num_vw_entries = ARRAY_SIZE(mtl_community1_vw), |
| }, |
| [COMM_3] = { /* GPP H, F, SPI0, VGPIO3 */ |
| .port = PID_GPIOCOM3, |
| .first_pad = GPIO_COM3_START, |
| .last_pad = GPIO_COM3_END, |
| .num_gpi_regs = NUM_GPIO_COM3_GPI_REGS, |
| .pad_cfg_base = PAD_CFG_BASE, |
| .pad_cfg_lock_offset = PAD_CFG_LOCK_OFFSET, |
| .host_own_reg_0 = HOSTSW_OWN_REG_0, |
| .gpi_int_sts_reg_0 = GPI_INT_STS_0, |
| .gpi_int_en_reg_0 = GPI_INT_EN_0, |
| .gpi_gpe_sts_reg_0 = GPI_GPE_STS_0, |
| .gpi_gpe_en_reg_0 = GPI_GPE_EN_0, |
| .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, |
| .name = "GPP_HFSPI0VG3", |
| .acpi_path = "\\_SB.PCI0.GPIO", |
| .reset_map = rst_map_com3, |
| .num_reset_vals = ARRAY_SIZE(rst_map_com3), |
| .groups = mtl_community3_groups, |
| .num_groups = ARRAY_SIZE(mtl_community3_groups), |
| .vw_base = DEFAULT_VW_BASE, |
| .vw_entries = mtl_community3_vw, |
| .num_vw_entries = ARRAY_SIZE(mtl_community3_vw), |
| }, |
| [COMM_4] = { /* GPP S, JTAG */ |
| .port = PID_GPIOCOM4, |
| .first_pad = GPIO_COM4_START, |
| .last_pad = GPIO_COM4_END, |
| .num_gpi_regs = NUM_GPIO_COM4_GPI_REGS, |
| .pad_cfg_base = PAD_CFG_BASE, |
| .pad_cfg_lock_offset = PAD_CFG_LOCK_OFFSET, |
| .host_own_reg_0 = HOSTSW_OWN_REG_0, |
| .gpi_int_sts_reg_0 = GPI_INT_STS_0, |
| .gpi_int_en_reg_0 = GPI_INT_EN_0, |
| .gpi_gpe_sts_reg_0 = GPI_GPE_STS_0, |
| .gpi_gpe_en_reg_0 = GPI_GPE_EN_0, |
| .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, |
| .name = "GPP_SJTAG", |
| .acpi_path = "\\_SB.PCI0.GPIO", |
| .reset_map = rst_map, |
| .num_reset_vals = ARRAY_SIZE(rst_map), |
| .groups = mtl_community4_groups, |
| .num_groups = ARRAY_SIZE(mtl_community4_groups), |
| }, |
| [COMM_5] = { /* GPP B, D, VGPIO */ |
| .port = PID_GPIOCOM5, |
| .first_pad = GPIO_COM5_START, |
| .last_pad = GPIO_COM5_END, |
| .num_gpi_regs = NUM_GPIO_COM5_GPI_REGS, |
| .pad_cfg_base = PAD_CFG_BASE, |
| .pad_cfg_lock_offset = PAD_CFG_LOCK_OFFSET, |
| .host_own_reg_0 = HOSTSW_OWN_REG_0, |
| .gpi_int_sts_reg_0 = GPI_INT_STS_0, |
| .gpi_int_en_reg_0 = GPI_INT_EN_0, |
| .gpi_gpe_sts_reg_0 = GPI_GPE_STS_0, |
| .gpi_gpe_en_reg_0 = GPI_GPE_EN_0, |
| .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, |
| .gpi_smi_en_reg_0 = GPI_SMI_EN_0, |
| .gpi_nmi_sts_reg_0 = GPI_NMI_STS_0, |
| .gpi_nmi_en_reg_0 = GPI_NMI_EN_0, |
| .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, |
| .name = "GPP_BDVG", |
| .acpi_path = "\\_SB.PCI0.GPIO", |
| .reset_map = rst_map, |
| .num_reset_vals = ARRAY_SIZE(rst_map), |
| .groups = mtl_community5_groups, |
| .num_groups = ARRAY_SIZE(mtl_community5_groups), |
| .vw_base = DEFAULT_VW_BASE, |
| .vw_entries = mtl_community5_vw, |
| .num_vw_entries = ARRAY_SIZE(mtl_community5_vw), |
| } |
| }; |
| |
| const struct pad_community *soc_gpio_get_community(size_t *num_communities) |
| { |
| *num_communities = ARRAY_SIZE(mtl_communities); |
| return mtl_communities; |
| } |
| |
| const struct pmc_to_gpio_route *soc_pmc_gpio_routes(size_t *num) |
| { |
| static const struct pmc_to_gpio_route routes[] = { |
| { PMC_GPP_V, GPP_V }, |
| { PMC_GPP_C, GPP_C }, |
| { PMC_GPP_A, GPP_A }, |
| { PMC_GPP_E, GPP_E }, |
| { PMC_GPP_H, GPP_H }, |
| { PMC_GPP_F, GPP_F }, |
| { PMC_GPP_S, GPP_S }, |
| { PMC_GPP_B, GPP_B }, |
| { PMC_GPP_D, GPP_D }, |
| }; |
| *num = ARRAY_SIZE(routes); |
| return routes; |
| } |