Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | |
| 3 | #include <intelblocks/gpio.h> |
| 4 | #include <intelblocks/pcr.h> |
| 5 | #include <soc/pcr_ids.h> |
| 6 | #include <soc/pmc.h> |
| 7 | |
| 8 | static const struct reset_mapping rst_map[] = { |
| 9 | { .logical = PAD_CFG0_LOGICAL_RESET_RSMRST, .chipset = 0U << 30 }, |
| 10 | { .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 }, |
| 11 | { .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 }, |
| 12 | }; |
| 13 | |
| 14 | static const struct reset_mapping rst_map_com0[] = { |
| 15 | { .logical = PAD_CFG0_LOGICAL_RESET_PWROK, .chipset = 0U << 30 }, |
| 16 | { .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 }, |
| 17 | { .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 }, |
| 18 | { .logical = PAD_CFG0_LOGICAL_RESET_RSMRST, .chipset = 3U << 30 }, |
| 19 | }; |
| 20 | |
| 21 | /* |
| 22 | * The GPIO driver for Elkhartlake on Windows/Linux expects 32 GPIOs per pad |
| 23 | * group, regardless of whether or not there is a physical pad for each |
| 24 | * exposed GPIO number. |
| 25 | * |
| 26 | * This results in the OS having a sparse GPIO map, and devices that need |
| 27 | * to export an ACPI GPIO must use the OS expected number. |
| 28 | * |
| 29 | * Not all pins are usable as GPIO and those groups do not have a pad base. |
| 30 | * |
| 31 | * This layout matches the Linux kernel pinctrl map for MCC at: |
| 32 | * linux/drivers/pinctrl/intel/pinctrl-elkhartlake.c |
| 33 | */ |
| 34 | static const struct pad_group ehl_community0_groups[] = { |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 35 | INTEL_GPP_BASE(GPP_B0, GPP_B0, GPP_B23, 0), /* GPP_B */ |
| 36 | INTEL_GPP(GPP_B0, GPIO_RSVD_0, GPIO_RSVD_1), |
| 37 | INTEL_GPP_BASE(GPP_B0, GPP_T0, GPP_T15, 32), /* GPP_T */ |
| 38 | INTEL_GPP_BASE(GPP_B0, GPP_G0, GPIO_RSVD_2, 64), /* GPP_G */ |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 39 | }; |
| 40 | |
| 41 | static const struct pad_group ehl_community1_groups[] = { |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 42 | INTEL_GPP_BASE(GPP_V0, GPP_V0, GPP_V15, 96), /* GPP_V */ |
| 43 | INTEL_GPP_BASE(GPP_V0, GPP_H0, GPP_H23, 128), /* GPP_H */ |
| 44 | INTEL_GPP_BASE(GPP_V0, GPP_D0, GPIO_RSVD_3, 160), /* GPP_D */ |
| 45 | INTEL_GPP_BASE(GPP_V0, GPP_U0, GPP_U19, 192), /* GPP_U */ |
| 46 | INTEL_GPP(GPP_V0, GPIO_RSVD_4, GPIO_RSVD_7), |
| 47 | INTEL_GPP_BASE(GPP_V0, VGPIO_0, VGPIO_39, 224), /* VGPIO */ |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 48 | }; |
| 49 | |
| 50 | /* This community is not visible to the OS */ |
| 51 | static const struct pad_group ehl_community2_groups[] = { |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 52 | INTEL_GPP(GPD0, GPD0, GPIO_RSVD_12), /* GPD */ |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 53 | }; |
| 54 | |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 55 | static const struct pad_group ehl_community3_groups[] = { |
| 56 | INTEL_GPP(GPIO_RSVD_13, GPIO_RSVD_13, GPIO_RSVD_29), |
| 57 | INTEL_GPP_BASE(GPIO_RSVD_13, GPP_S0, GPP_S1, 288), /* GPP_S */ |
| 58 | INTEL_GPP_BASE(GPIO_RSVD_13, GPP_A0, GPP_A23, 320), /* GPP_A */ |
| 59 | INTEL_GPP(GPIO_RSVD_13, VGPIO_USB_0, VGPIO_USB_3), |
| 60 | }; |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 61 | |
| 62 | static const struct pad_group ehl_community4_groups[] = { |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 63 | INTEL_GPP_BASE(GPP_C0, GPP_C0, GPP_C23, 352), /* GPP_C */ |
| 64 | INTEL_GPP_BASE(GPP_C0, GPP_F0, GPP_F23, 384), /* GPP_F */ |
| 65 | INTEL_GPP(GPP_C0, GPIO_RSVD_30, GPIO_RSVD_36), |
| 66 | INTEL_GPP_BASE(GPP_C0, GPP_E0, GPP_E23, 416), /* GPP_E */ |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 67 | }; |
| 68 | |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 69 | static const struct pad_group ehl_community5_groups[] = { |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 70 | INTEL_GPP_BASE(GPP_R0, GPP_R0, GPP_R7, 448), /* GPP_R */ |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 71 | }; |
| 72 | |
| 73 | static const struct pad_community ehl_communities[TOTAL_GPIO_COMM] = { |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 74 | /* GPP B, T, G */ |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 75 | [COMM_0] = { |
| 76 | .port = PID_GPIOCOM0, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 77 | .first_pad = GPIO_COM0_START, |
| 78 | .last_pad = GPIO_COM0_END, |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 79 | .num_gpi_regs = NUM_GPIO_COM0_GPI_REGS, |
| 80 | .pad_cfg_base = PAD_CFG_BASE, |
| 81 | .host_own_reg_0 = HOSTSW_OWN_REG_0, |
| 82 | .gpi_int_sts_reg_0 = GPI_INT_STS_0, |
| 83 | .gpi_int_en_reg_0 = GPI_INT_EN_0, |
| 84 | .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, |
| 85 | .gpi_smi_en_reg_0 = GPI_SMI_EN_0, |
Michael Niewöhner | 85610d8 | 2020-11-23 22:02:20 +0100 | [diff] [blame] | 86 | .gpi_nmi_sts_reg_0 = GPI_NMI_STS_0, |
| 87 | .gpi_nmi_en_reg_0 = GPI_NMI_EN_0, |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 88 | .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 89 | .name = "GPP_BTG", |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 90 | .acpi_path = "\\_SB.PCI0.GPIO", |
| 91 | .reset_map = rst_map_com0, |
| 92 | .num_reset_vals = ARRAY_SIZE(rst_map_com0), |
| 93 | .groups = ehl_community0_groups, |
| 94 | .num_groups = ARRAY_SIZE(ehl_community0_groups), |
| 95 | }, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 96 | /* GPP V, H, D, U, VGPIO */ |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 97 | [COMM_1] = { |
| 98 | .port = PID_GPIOCOM1, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 99 | .first_pad = GPIO_COM1_START, |
| 100 | .last_pad = GPIO_COM1_END, |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 101 | .num_gpi_regs = NUM_GPIO_COM1_GPI_REGS, |
| 102 | .pad_cfg_base = PAD_CFG_BASE, |
| 103 | .host_own_reg_0 = HOSTSW_OWN_REG_0, |
| 104 | .gpi_int_sts_reg_0 = GPI_INT_STS_0, |
| 105 | .gpi_int_en_reg_0 = GPI_INT_EN_0, |
| 106 | .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, |
| 107 | .gpi_smi_en_reg_0 = GPI_SMI_EN_0, |
Michael Niewöhner | 85610d8 | 2020-11-23 22:02:20 +0100 | [diff] [blame] | 108 | .gpi_nmi_sts_reg_0 = GPI_NMI_STS_0, |
| 109 | .gpi_nmi_en_reg_0 = GPI_NMI_EN_0, |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 110 | .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 111 | .name = "GPP_VHDU", |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 112 | .acpi_path = "\\_SB.PCI0.GPIO", |
| 113 | .reset_map = rst_map, |
| 114 | .num_reset_vals = ARRAY_SIZE(rst_map), |
| 115 | .groups = ehl_community1_groups, |
| 116 | .num_groups = ARRAY_SIZE(ehl_community1_groups), |
| 117 | }, |
| 118 | /* GPD */ |
| 119 | [COMM_2] = { |
| 120 | .port = PID_GPIOCOM2, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 121 | .first_pad = GPIO_COM2_START, |
| 122 | .last_pad = GPIO_COM2_END, |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 123 | .num_gpi_regs = NUM_GPIO_COM2_GPI_REGS, |
| 124 | .pad_cfg_base = PAD_CFG_BASE, |
| 125 | .host_own_reg_0 = HOSTSW_OWN_REG_0, |
| 126 | .gpi_int_sts_reg_0 = GPI_INT_STS_0, |
| 127 | .gpi_int_en_reg_0 = GPI_INT_EN_0, |
| 128 | .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, |
| 129 | .gpi_smi_en_reg_0 = GPI_SMI_EN_0, |
| 130 | .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, |
| 131 | .name = "GPD", |
| 132 | .acpi_path = "\\_SB.PCI0.GPIO", |
| 133 | .reset_map = rst_map, |
| 134 | .num_reset_vals = ARRAY_SIZE(rst_map), |
| 135 | .groups = ehl_community2_groups, |
| 136 | .num_groups = ARRAY_SIZE(ehl_community2_groups), |
| 137 | }, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 138 | /* GPP S, A */ |
| 139 | [COMM_3] = { |
| 140 | .port = PID_GPIOCOM3, |
| 141 | .first_pad = GPIO_COM3_START, |
| 142 | .last_pad = GPIO_COM3_END, |
| 143 | .num_gpi_regs = NUM_GPIO_COM3_GPI_REGS, |
| 144 | .pad_cfg_base = PAD_CFG_BASE, |
| 145 | .host_own_reg_0 = HOSTSW_OWN_REG_0, |
| 146 | .gpi_int_sts_reg_0 = GPI_INT_STS_0, |
| 147 | .gpi_int_en_reg_0 = GPI_INT_EN_0, |
| 148 | .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, |
| 149 | .gpi_smi_en_reg_0 = GPI_SMI_EN_0, |
Michael Niewöhner | 85610d8 | 2020-11-23 22:02:20 +0100 | [diff] [blame] | 150 | .gpi_nmi_sts_reg_0 = GPI_NMI_STS_0, |
| 151 | .gpi_nmi_en_reg_0 = GPI_NMI_EN_0, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 152 | .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, |
| 153 | .name = "GPP_SA", |
| 154 | .acpi_path = "\\_SB.PCI0.GPIO", |
| 155 | .reset_map = rst_map, |
| 156 | .num_reset_vals = ARRAY_SIZE(rst_map), |
| 157 | .groups = ehl_community3_groups, |
| 158 | .num_groups = ARRAY_SIZE(ehl_community3_groups), |
| 159 | }, |
| 160 | /* GPP C, F, E */ |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 161 | [COMM_4] = { |
| 162 | .port = PID_GPIOCOM4, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 163 | .first_pad = GPIO_COM4_START, |
| 164 | .last_pad = GPIO_COM4_END, |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 165 | .num_gpi_regs = NUM_GPIO_COM4_GPI_REGS, |
| 166 | .pad_cfg_base = PAD_CFG_BASE, |
| 167 | .host_own_reg_0 = HOSTSW_OWN_REG_0, |
| 168 | .gpi_int_sts_reg_0 = GPI_INT_STS_0, |
| 169 | .gpi_int_en_reg_0 = GPI_INT_EN_0, |
| 170 | .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, |
| 171 | .gpi_smi_en_reg_0 = GPI_SMI_EN_0, |
Michael Niewöhner | 85610d8 | 2020-11-23 22:02:20 +0100 | [diff] [blame] | 172 | .gpi_nmi_sts_reg_0 = GPI_NMI_STS_0, |
| 173 | .gpi_nmi_en_reg_0 = GPI_NMI_EN_0, |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 174 | .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 175 | .name = "GPP_CFE", |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 176 | .acpi_path = "\\_SB.PCI0.GPIO", |
| 177 | .reset_map = rst_map, |
| 178 | .num_reset_vals = ARRAY_SIZE(rst_map), |
| 179 | .groups = ehl_community4_groups, |
| 180 | .num_groups = ARRAY_SIZE(ehl_community4_groups), |
| 181 | }, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 182 | /* GPP R*/ |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 183 | [COMM_5] = { |
| 184 | .port = PID_GPIOCOM5, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 185 | .first_pad = GPIO_COM5_START, |
| 186 | .last_pad = GPIO_COM5_END, |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 187 | .num_gpi_regs = NUM_GPIO_COM5_GPI_REGS, |
| 188 | .pad_cfg_base = PAD_CFG_BASE, |
| 189 | .host_own_reg_0 = HOSTSW_OWN_REG_0, |
| 190 | .gpi_int_sts_reg_0 = GPI_INT_STS_0, |
| 191 | .gpi_int_en_reg_0 = GPI_INT_EN_0, |
| 192 | .gpi_smi_sts_reg_0 = GPI_SMI_STS_0, |
| 193 | .gpi_smi_en_reg_0 = GPI_SMI_EN_0, |
Michael Niewöhner | 85610d8 | 2020-11-23 22:02:20 +0100 | [diff] [blame] | 194 | .gpi_nmi_sts_reg_0 = GPI_NMI_STS_0, |
| 195 | .gpi_nmi_en_reg_0 = GPI_NMI_EN_0, |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 196 | .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 197 | .name = "GPP_RR", |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 198 | .acpi_path = "\\_SB.PCI0.GPIO", |
| 199 | .reset_map = rst_map, |
| 200 | .num_reset_vals = ARRAY_SIZE(rst_map), |
| 201 | .groups = ehl_community5_groups, |
| 202 | .num_groups = ARRAY_SIZE(ehl_community5_groups), |
| 203 | } |
| 204 | }; |
| 205 | |
| 206 | const struct pad_community *soc_gpio_get_community(size_t *num_communities) |
| 207 | { |
| 208 | *num_communities = ARRAY_SIZE(ehl_communities); |
| 209 | return ehl_communities; |
| 210 | } |
| 211 | |
| 212 | const struct pmc_to_gpio_route *soc_pmc_gpio_routes(size_t *num) |
| 213 | { |
| 214 | static const struct pmc_to_gpio_route routes[] = { |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 215 | { PMC_GPP_B, GPP_B }, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 216 | { PMC_GPP_T, GPP_T }, |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 217 | { PMC_GPP_D, GPP_D }, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 218 | { PMC_GPP_A, GPP_A }, |
| 219 | { PMC_GPP_R, GPP_R }, |
| 220 | { PMC_GPP_V, GPP_V }, |
| 221 | { PMC_GPD, GPD }, |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 222 | { PMC_GPP_H, GPP_H }, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 223 | { PMC_GPP_U, GPP_U }, |
| 224 | { PMC_VGPIO, VGPIO }, |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 225 | { PMC_GPP_F, GPP_F }, |
Tan, Lean Sheng | 6e9d806 | 2020-12-10 22:31:00 -0800 | [diff] [blame] | 226 | { PMC_GPP_C, GPP_C }, |
| 227 | { PMC_GPP_E, GPP_E }, |
| 228 | { PMC_GPP_G, GPP_G }, |
| 229 | { PMC_GPP_S, GPP_S } |
Tan, Lean Sheng | 05dfe31 | 2020-08-25 20:40:17 -0700 | [diff] [blame] | 230 | }; |
| 231 | |
| 232 | *num = ARRAY_SIZE(routes); |
| 233 | return routes; |
| 234 | } |