Ying-Chun Liu (PaulLiu) | a97107f | 2021-04-22 04:50:31 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Copyright 2018 NXP |
| 4 | * Copyright 2020 Linaro |
| 5 | */ |
| 6 | |
| 7 | #include <common.h> |
Sughosh Ganu | ccb3646 | 2022-04-15 11:29:34 +0530 | [diff] [blame^] | 8 | #include <efi.h> |
| 9 | #include <efi_loader.h> |
Ying-Chun Liu (PaulLiu) | a97107f | 2021-04-22 04:50:31 +0800 | [diff] [blame] | 10 | #include <env.h> |
Ying-Chun Liu (PaulLiu) | a96ed8d | 2021-11-05 17:13:25 +0800 | [diff] [blame] | 11 | #include <extension_board.h> |
Ying-Chun Liu (PaulLiu) | 20dc0ba | 2021-08-24 17:44:19 +0800 | [diff] [blame] | 12 | #include <hang.h> |
Ying-Chun Liu (PaulLiu) | a96ed8d | 2021-11-05 17:13:25 +0800 | [diff] [blame] | 13 | #include <i2c.h> |
Ying-Chun Liu (PaulLiu) | a97107f | 2021-04-22 04:50:31 +0800 | [diff] [blame] | 14 | #include <init.h> |
| 15 | #include <miiphy.h> |
| 16 | #include <netdev.h> |
Fabio Estevam | f2acfc7 | 2022-04-12 13:05:37 -0300 | [diff] [blame] | 17 | #include <i2c_eeprom.h> |
| 18 | #include <i2c.h> |
Ying-Chun Liu (PaulLiu) | a97107f | 2021-04-22 04:50:31 +0800 | [diff] [blame] | 19 | |
| 20 | #include <asm/arch/clock.h> |
Ying-Chun Liu (PaulLiu) | a96ed8d | 2021-11-05 17:13:25 +0800 | [diff] [blame] | 21 | #include <asm/arch/imx8mm_pins.h> |
Ying-Chun Liu (PaulLiu) | a97107f | 2021-04-22 04:50:31 +0800 | [diff] [blame] | 22 | #include <asm/arch/sys_proto.h> |
Ying-Chun Liu (PaulLiu) | a96ed8d | 2021-11-05 17:13:25 +0800 | [diff] [blame] | 23 | #include <asm/global_data.h> |
Ying-Chun Liu (PaulLiu) | a97107f | 2021-04-22 04:50:31 +0800 | [diff] [blame] | 24 | #include <asm/io.h> |
Ying-Chun Liu (PaulLiu) | a96ed8d | 2021-11-05 17:13:25 +0800 | [diff] [blame] | 25 | #include <asm/mach-imx/gpio.h> |
| 26 | #include <asm/mach-imx/mxc_i2c.h> |
| 27 | #include <asm/sections.h> |
Sughosh Ganu | ccb3646 | 2022-04-15 11:29:34 +0530 | [diff] [blame^] | 28 | #include <linux/kernel.h> |
Ying-Chun Liu (PaulLiu) | a97107f | 2021-04-22 04:50:31 +0800 | [diff] [blame] | 29 | |
Ying-Chun Liu (PaulLiu) | 20dc0ba | 2021-08-24 17:44:19 +0800 | [diff] [blame] | 30 | #include "ddr/ddr.h" |
| 31 | |
Ying-Chun Liu (PaulLiu) | a97107f | 2021-04-22 04:50:31 +0800 | [diff] [blame] | 32 | DECLARE_GLOBAL_DATA_PTR; |
| 33 | |
Sughosh Ganu | ccb3646 | 2022-04-15 11:29:34 +0530 | [diff] [blame^] | 34 | #if CONFIG_IS_ENABLED(EFI_HAVE_CAPSULE_SUPPORT) |
| 35 | struct efi_fw_image fw_images[] = { |
| 36 | #if defined(CONFIG_TARGET_IMX8MM_CL_IOT_GATE) |
| 37 | { |
| 38 | .image_type_id = IMX8MM_CL_IOT_GATE_FIT_IMAGE_GUID, |
| 39 | .fw_name = u"IMX8MM-CL-IOT-GATE-FIT", |
| 40 | .image_index = 1, |
| 41 | }, |
| 42 | #elif defined(CONFIG_TARGET_IMX8MM_CL_IOT_GATE_OPTEE) |
| 43 | { |
| 44 | .image_type_id = IMX8MM_CL_IOT_GATE_OPTEE_FIT_IMAGE_GUID, |
| 45 | .fw_name = u"IMX8MM-CL-IOT-GATE-FIT", |
| 46 | .image_index = 1, |
| 47 | }, |
| 48 | #endif |
| 49 | }; |
| 50 | |
| 51 | struct efi_capsule_update_info update_info = { |
| 52 | .dfu_string = "mmc 2=flash-bin raw 0x42 0x1D00 mmcpart 1", |
| 53 | .images = fw_images, |
| 54 | }; |
| 55 | |
| 56 | u8 num_image_type_guids = ARRAY_SIZE(fw_images); |
| 57 | #endif /* EFI_HAVE_CAPSULE_SUPPORT */ |
| 58 | |
Ying-Chun Liu (PaulLiu) | 20dc0ba | 2021-08-24 17:44:19 +0800 | [diff] [blame] | 59 | int board_phys_sdram_size(phys_size_t *size) |
| 60 | { |
| 61 | struct lpddr4_tcm_desc *lpddr4_tcm_desc = |
| 62 | (struct lpddr4_tcm_desc *)TCM_DATA_CFG; |
| 63 | |
| 64 | switch (lpddr4_tcm_desc->size) { |
| 65 | case 4096: |
| 66 | case 2048: |
| 67 | case 1024: |
| 68 | *size = (1L << 20) * lpddr4_tcm_desc->size; |
| 69 | break; |
| 70 | default: |
| 71 | printf("%s: DRAM size %uM is not supported\n", |
| 72 | __func__, |
| 73 | lpddr4_tcm_desc->size); |
| 74 | hang(); |
| 75 | break; |
| 76 | }; |
| 77 | |
| 78 | return 0; |
| 79 | } |
| 80 | |
Ying-Chun Liu (PaulLiu) | a96ed8d | 2021-11-05 17:13:25 +0800 | [diff] [blame] | 81 | /* IOT_GATE-iMX8 extension boards ID */ |
| 82 | typedef enum { |
| 83 | IOT_GATE_EXT_EMPTY, /* No extension */ |
| 84 | IOT_GATE_EXT_CAN, /* CAN bus */ |
| 85 | IOT_GATE_EXT_IED, /* Bridge */ |
| 86 | IOT_GATE_EXT_POE, /* POE */ |
| 87 | IOT_GATE_EXT_POEV2, /* POEv2 */ |
| 88 | } iot_gate_imx8_ext; |
| 89 | |
| 90 | typedef enum { |
| 91 | IOT_GATE_IMX8_CARD_ID_EMPTY = 0, /* card id - uninhabited */ |
| 92 | IOT_GATE_IMX8_CARD_ID_DI4O4 = 1, /* Card ID - IED-DI4O4 */ |
| 93 | IOT_GATE_IMX8_CARD_ID_RS_485 = 2, /* Card ID - IED-RS485 */ |
| 94 | IOT_GATE_IMX8_CARD_ID_TPM = 3, /* Card ID - IED-TPM */ |
| 95 | IOT_GATE_IMX8_CARD_ID_CAN = 4, /* Card ID - IED-CAN */ |
| 96 | IOT_GATE_IMX8_CARD_ID_CL420 = 5, /* Card ID - IED-CL420 */ |
| 97 | IOT_GATE_IMX8_CARD_ID_RS_232 = 6, /* Card ID - IED-RS232 */ |
| 98 | } iot_gate_imx8_ied_ext; |
| 99 | |
Ying-Chun Liu (PaulLiu) | a97107f | 2021-04-22 04:50:31 +0800 | [diff] [blame] | 100 | static int setup_fec(void) |
| 101 | { |
| 102 | if (IS_ENABLED(CONFIG_FEC_MXC)) { |
| 103 | struct iomuxc_gpr_base_regs *gpr = |
| 104 | (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR; |
| 105 | |
| 106 | /* Use 125M anatop REF_CLK1 for ENET1, not from external */ |
| 107 | clrsetbits_le32(&gpr->gpr[1], 0x2000, 0); |
| 108 | } |
| 109 | |
| 110 | return 0; |
| 111 | } |
| 112 | |
| 113 | int board_phy_config(struct phy_device *phydev) |
| 114 | { |
| 115 | if (IS_ENABLED(CONFIG_FEC_MXC)) { |
| 116 | /* enable rgmii rxc skew and phy mode select to RGMII copper */ |
| 117 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f); |
| 118 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8); |
| 119 | |
| 120 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00); |
| 121 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee); |
| 122 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); |
| 123 | phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100); |
| 124 | |
| 125 | if (phydev->drv->config) |
| 126 | phydev->drv->config(phydev); |
| 127 | } |
| 128 | return 0; |
| 129 | } |
| 130 | |
| 131 | int board_init(void) |
| 132 | { |
| 133 | if (IS_ENABLED(CONFIG_FEC_MXC)) |
| 134 | setup_fec(); |
| 135 | |
| 136 | return 0; |
| 137 | } |
| 138 | |
| 139 | int board_mmc_get_env_dev(int devno) |
| 140 | { |
| 141 | return devno; |
| 142 | } |
| 143 | |
Ying-Chun Liu (PaulLiu) | a96ed8d | 2021-11-05 17:13:25 +0800 | [diff] [blame] | 144 | #define IOT_GATE_IMX8_EXT_I2C 3 /* I2C ID of the extension board */ |
| 145 | #define IOT_GATE_IMX8_EXT_I2C_ADDR_EEPROM 0x54 /* I2C address of the EEPROM */ |
| 146 | |
| 147 | /* I2C address of the EEPROM in the POE extension */ |
| 148 | #define IOT_GATE_IMX8_EXT_I2C_ADDR_EEPROM_POE 0x50 |
| 149 | #define IOT_GATE_IMX8_EXT_I2C_ADDR_EEPROM_POEV2 0x51 |
| 150 | #define IOT_GATE_IMX8_EXT_I2C_ADDR_GPIO 0x22 /* I2C address of the GPIO |
| 151 | extender */ |
| 152 | |
| 153 | static int iot_gate_imx8_ext_id = IOT_GATE_EXT_EMPTY; /* Extension board ID */ |
| 154 | static int iot_gate_imx8_ext_ied_id [3] = { |
| 155 | IOT_GATE_IMX8_CARD_ID_EMPTY, |
| 156 | IOT_GATE_IMX8_CARD_ID_EMPTY, |
| 157 | IOT_GATE_IMX8_CARD_ID_EMPTY }; |
| 158 | |
| 159 | /* |
| 160 | * iot_gate_imx8_detect_ext() - extended board detection |
| 161 | * The detection is done according to the detected I2C devices. |
| 162 | */ |
| 163 | static void iot_gate_imx8_detect_ext(void) |
| 164 | { |
| 165 | int ret; |
| 166 | struct udevice *i2c_bus, *i2c_dev; |
| 167 | |
| 168 | ret = uclass_get_device_by_seq(UCLASS_I2C, IOT_GATE_IMX8_EXT_I2C, |
| 169 | &i2c_bus); |
| 170 | if (ret) { |
| 171 | printf("%s: Failed getting i2c device\n", __func__); |
| 172 | return; |
| 173 | } |
| 174 | |
| 175 | ret = dm_i2c_probe(i2c_bus, IOT_GATE_IMX8_EXT_I2C_ADDR_EEPROM_POE, 0, |
| 176 | &i2c_dev); |
| 177 | if (!ret) { |
| 178 | iot_gate_imx8_ext_id = IOT_GATE_EXT_POE; |
| 179 | return; |
| 180 | } |
| 181 | |
| 182 | ret = dm_i2c_probe(i2c_bus, IOT_GATE_IMX8_EXT_I2C_ADDR_EEPROM_POEV2, 0, |
| 183 | &i2c_dev); |
| 184 | if (!ret) { |
| 185 | iot_gate_imx8_ext_id = IOT_GATE_EXT_POEV2; |
| 186 | return; |
| 187 | } |
| 188 | |
| 189 | ret = dm_i2c_probe(i2c_bus, IOT_GATE_IMX8_EXT_I2C_ADDR_EEPROM, 0, |
| 190 | &i2c_dev); |
| 191 | if (ret){ |
| 192 | iot_gate_imx8_ext_id = IOT_GATE_EXT_EMPTY; |
| 193 | return; |
| 194 | } |
| 195 | /* Only the bridge extension includes the GPIO extender */ |
| 196 | ret = dm_i2c_probe(i2c_bus, IOT_GATE_IMX8_EXT_I2C_ADDR_GPIO, 0, |
| 197 | &i2c_dev); |
| 198 | if (ret) /* GPIO extender not detected */ |
| 199 | iot_gate_imx8_ext_id = IOT_GATE_EXT_CAN; |
| 200 | else /* GPIO extender detected */ |
| 201 | iot_gate_imx8_ext_id = IOT_GATE_EXT_IED; |
| 202 | } |
| 203 | |
| 204 | static iomux_v3_cfg_t const iot_gate_imx8_ext_ied_pads[] = { |
| 205 | IMX8MM_PAD_NAND_ALE_GPIO3_IO0 | MUX_PAD_CTRL(PAD_CTL_PE), |
| 206 | IMX8MM_PAD_NAND_CE0_B_GPIO3_IO1 | MUX_PAD_CTRL(PAD_CTL_PE), |
| 207 | IMX8MM_PAD_NAND_DATA00_GPIO3_IO6 | MUX_PAD_CTRL(PAD_CTL_PE), |
| 208 | IMX8MM_PAD_NAND_DATA01_GPIO3_IO7 | MUX_PAD_CTRL(PAD_CTL_PE), |
| 209 | IMX8MM_PAD_NAND_DATA02_GPIO3_IO8 | MUX_PAD_CTRL(PAD_CTL_PE), |
| 210 | IMX8MM_PAD_NAND_DATA03_GPIO3_IO9 | MUX_PAD_CTRL(PAD_CTL_PE), |
| 211 | }; |
| 212 | |
| 213 | static iomux_v3_cfg_t const iot_gate_imx8_ext_poev2_pads[] = { |
| 214 | IMX8MM_PAD_SAI3_TXD_GPIO5_IO1 | MUX_PAD_CTRL(PAD_CTL_PE | |
| 215 | PAD_CTL_PUE), |
| 216 | }; |
| 217 | |
| 218 | /* Extension board bridge GPIOs */ |
| 219 | #define IOT_GATE_IMX8_GPIO_EXT_IED_I0 IMX_GPIO_NR(3, 0) /* IN 0 */ |
| 220 | #define IOT_GATE_IMX8_GPIO_EXT_IED_I1 IMX_GPIO_NR(3, 1) /* IN 1 */ |
| 221 | #define IOT_GATE_IMX8_GPIO_EXT_IED_I2 IMX_GPIO_NR(3, 6) /* IN 2 */ |
| 222 | #define IOT_GATE_IMX8_GPIO_EXT_IED_I3 IMX_GPIO_NR(3, 7) /* IN 3 */ |
| 223 | #define IOT_GATE_IMX8_GPIO_EXT_IED_O0 IMX_GPIO_NR(3, 8) /* OUT 0 */ |
| 224 | #define IOT_GATE_IMX8_GPIO_EXT_IED_O1 IMX_GPIO_NR(3, 9) /* OUT 1 */ |
| 225 | #define IOT_GATE_IMX8_GPIO_EXT_IED_O2 IMX_GPIO_NR(6, 9) /* OUT 2 */ |
| 226 | #define IOT_GATE_IMX8_GPIO_EXT_IED_O3 IMX_GPIO_NR(6, 10)/* OUT 3 */ |
| 227 | |
| 228 | /* Extension board POE GPIOs */ |
| 229 | #define IOT_GATE_IMX8_GPIO_EXT_POE_MUX IMX_GPIO_NR(5, 1)/* USB_MUX */ |
| 230 | |
| 231 | /* |
| 232 | * iot_gate_imx8_update_pinmux() - update the pinmux |
| 233 | * Update the pinmux according to the detected extended board. |
| 234 | */ |
| 235 | static void iot_gate_imx8_update_pinmux(void) |
| 236 | { |
| 237 | if (iot_gate_imx8_ext_id == IOT_GATE_EXT_POEV2) { |
| 238 | imx_iomux_v3_setup_multiple_pads(iot_gate_imx8_ext_poev2_pads, |
| 239 | ARRAY_SIZE(iot_gate_imx8_ext_poev2_pads)); |
| 240 | gpio_request(IOT_GATE_IMX8_GPIO_EXT_POE_MUX, "poev2_usb-mux"); |
| 241 | /* Update USB MUX state */ |
| 242 | gpio_direction_output(IOT_GATE_IMX8_GPIO_EXT_POE_MUX, 1); |
| 243 | |
| 244 | return; |
| 245 | } |
| 246 | if (iot_gate_imx8_ext_id != IOT_GATE_EXT_IED) |
| 247 | return; |
| 248 | |
| 249 | imx_iomux_v3_setup_multiple_pads(iot_gate_imx8_ext_ied_pads, |
| 250 | ARRAY_SIZE(iot_gate_imx8_ext_ied_pads)); |
| 251 | |
| 252 | gpio_request(IOT_GATE_IMX8_GPIO_EXT_IED_I0, "ied-di4o4_i0"); |
| 253 | gpio_direction_input(IOT_GATE_IMX8_GPIO_EXT_IED_I0); |
| 254 | gpio_request(IOT_GATE_IMX8_GPIO_EXT_IED_I1, "ied-di4o4_i1"); |
| 255 | gpio_direction_input(IOT_GATE_IMX8_GPIO_EXT_IED_I1); |
| 256 | gpio_request(IOT_GATE_IMX8_GPIO_EXT_IED_I2, "ied-di4o4_i2"); |
| 257 | gpio_direction_input(IOT_GATE_IMX8_GPIO_EXT_IED_I2); |
| 258 | gpio_request(IOT_GATE_IMX8_GPIO_EXT_IED_I3, "ied-di4o4_i3"); |
| 259 | gpio_direction_input(IOT_GATE_IMX8_GPIO_EXT_IED_I3); |
| 260 | gpio_request(IOT_GATE_IMX8_GPIO_EXT_IED_O0, "ied-di4o4_o0"); |
| 261 | gpio_direction_output(IOT_GATE_IMX8_GPIO_EXT_IED_O0, 0); |
| 262 | gpio_request(IOT_GATE_IMX8_GPIO_EXT_IED_O1, "ied-di4o4_o1"); |
| 263 | gpio_direction_output(IOT_GATE_IMX8_GPIO_EXT_IED_O1, 0); |
| 264 | gpio_request(IOT_GATE_IMX8_GPIO_EXT_IED_O2, "ied-di4o4_o2"); |
| 265 | gpio_direction_output(IOT_GATE_IMX8_GPIO_EXT_IED_O2, 0); |
| 266 | gpio_request(IOT_GATE_IMX8_GPIO_EXT_IED_O3, "ied-di4o4_o3"); |
| 267 | gpio_direction_output(IOT_GATE_IMX8_GPIO_EXT_IED_O3, 0); |
| 268 | } |
| 269 | |
| 270 | #define IOT_GATE_IMX8_GPIO_S0B0 IMX_GPIO_NR(6, 0) /* Slot ID slot 0 bit 0 */ |
| 271 | #define IOT_GATE_IMX8_GPIO_S0B1 IMX_GPIO_NR(6, 1) /* Slot ID slot 0 bit 1 */ |
| 272 | #define IOT_GATE_IMX8_GPIO_S0B2 IMX_GPIO_NR(6, 2) /* Slot ID slot 0 bit 2 */ |
| 273 | #define IOT_GATE_IMX8_GPIO_S1B0 IMX_GPIO_NR(6, 3) /* Slot ID slot 1 bit 0 */ |
| 274 | #define IOT_GATE_IMX8_GPIO_S1B1 IMX_GPIO_NR(6, 4) /* Slot ID slot 1 bit 1 */ |
| 275 | #define IOT_GATE_IMX8_GPIO_S1B2 IMX_GPIO_NR(6, 5) /* Slot ID slot 1 bit 2 */ |
| 276 | #define IOT_GATE_IMX8_GPIO_S2B0 IMX_GPIO_NR(6, 6) /* Slot ID slot 2 bit 0 */ |
| 277 | #define IOT_GATE_IMX8_GPIO_S2B1 IMX_GPIO_NR(6, 7) /* Slot ID slot 2 bit 1 */ |
| 278 | #define IOT_GATE_IMX8_GPIO_S2B2 IMX_GPIO_NR(6, 8) /* Slot ID slot 2 bit 2 */ |
| 279 | |
| 280 | /* |
| 281 | * iot_gate_imx8_update_ext_ied() |
| 282 | * Update device tree of the extended board IED-BASE. |
| 283 | * The device tree is updated according to the detected sub modules. |
| 284 | * |
| 285 | * Return 0 for success, 1 for failure. |
| 286 | */ |
| 287 | static int iot_gate_imx8_update_ext_ied(void) |
| 288 | { |
| 289 | int revision; |
| 290 | |
| 291 | if (iot_gate_imx8_ext_id != IOT_GATE_EXT_IED) |
| 292 | return 0; |
| 293 | |
| 294 | /* ID GPIO initializations */ |
| 295 | if (gpio_request(IOT_GATE_IMX8_GPIO_S0B0, "id_s0b0") || |
| 296 | gpio_request(IOT_GATE_IMX8_GPIO_S0B1, "id_s0b1") || |
| 297 | gpio_request(IOT_GATE_IMX8_GPIO_S0B2, "id_s0b2") || |
| 298 | gpio_request(IOT_GATE_IMX8_GPIO_S1B0, "id_s1b0") || |
| 299 | gpio_request(IOT_GATE_IMX8_GPIO_S1B1, "id_s1b1") || |
| 300 | gpio_request(IOT_GATE_IMX8_GPIO_S1B2, "id_s1b2") || |
| 301 | gpio_request(IOT_GATE_IMX8_GPIO_S2B0, "id_s2b0") || |
| 302 | gpio_request(IOT_GATE_IMX8_GPIO_S2B1, "id_s2b1") || |
| 303 | gpio_request(IOT_GATE_IMX8_GPIO_S2B2, "id_s2b2")) { |
| 304 | printf("%s: ID GPIO request failure\n", __func__); |
| 305 | return 1; |
| 306 | } |
| 307 | gpio_direction_input(IOT_GATE_IMX8_GPIO_S0B0); |
| 308 | gpio_direction_input(IOT_GATE_IMX8_GPIO_S0B1); |
| 309 | gpio_direction_input(IOT_GATE_IMX8_GPIO_S0B2); |
| 310 | gpio_direction_input(IOT_GATE_IMX8_GPIO_S1B0); |
| 311 | gpio_direction_input(IOT_GATE_IMX8_GPIO_S1B1); |
| 312 | gpio_direction_input(IOT_GATE_IMX8_GPIO_S1B2); |
| 313 | gpio_direction_input(IOT_GATE_IMX8_GPIO_S2B0); |
| 314 | gpio_direction_input(IOT_GATE_IMX8_GPIO_S2B1); |
| 315 | gpio_direction_input(IOT_GATE_IMX8_GPIO_S2B2); |
| 316 | |
| 317 | /* Get slot 0 card ID */ |
| 318 | revision = gpio_get_value(IOT_GATE_IMX8_GPIO_S0B0) | |
| 319 | gpio_get_value(IOT_GATE_IMX8_GPIO_S0B1) << 1 | |
| 320 | gpio_get_value(IOT_GATE_IMX8_GPIO_S0B2) << 2; |
| 321 | iot_gate_imx8_ext_ied_id[0] = revision; |
| 322 | |
| 323 | /* Get slot 1 card ID */ |
| 324 | revision = gpio_get_value(IOT_GATE_IMX8_GPIO_S1B0) | |
| 325 | gpio_get_value(IOT_GATE_IMX8_GPIO_S1B1) << 1 | |
| 326 | gpio_get_value(IOT_GATE_IMX8_GPIO_S1B2) << 2; |
| 327 | iot_gate_imx8_ext_ied_id[1] = revision; |
| 328 | |
| 329 | /* Get slot 2 card ID */ |
| 330 | revision = gpio_get_value(IOT_GATE_IMX8_GPIO_S2B0) | |
| 331 | gpio_get_value(IOT_GATE_IMX8_GPIO_S2B1) << 1 | |
| 332 | gpio_get_value(IOT_GATE_IMX8_GPIO_S2B2) << 2; |
| 333 | iot_gate_imx8_ext_ied_id[2] = revision; |
| 334 | |
| 335 | return 0; |
| 336 | } |
| 337 | |
| 338 | int board_fix_fdt(void *rw_fdt_blob) |
| 339 | { |
| 340 | return 0; |
| 341 | } |
| 342 | |
| 343 | int extension_board_scan(struct list_head *extension_list) |
| 344 | { |
| 345 | struct extension *extension = NULL; |
| 346 | int i; |
| 347 | int ret = 0; |
| 348 | |
| 349 | iot_gate_imx8_detect_ext(); /* Extended board detection */ |
| 350 | |
| 351 | switch(iot_gate_imx8_ext_id) { |
| 352 | case IOT_GATE_EXT_EMPTY: |
| 353 | break; |
| 354 | case IOT_GATE_EXT_CAN: |
| 355 | extension = calloc(1, sizeof(struct extension)); |
| 356 | snprintf(extension->name, sizeof(extension->name), |
| 357 | "IOT_GATE_EXT_CAN"); |
| 358 | break; |
| 359 | case IOT_GATE_EXT_IED: |
| 360 | extension = calloc(1, sizeof(struct extension)); |
| 361 | snprintf(extension->name, sizeof(extension->name), |
| 362 | "IOT_GATE_EXT_IED"); |
| 363 | snprintf(extension->overlay, sizeof(extension->overlay), |
| 364 | "imx8mm-cl-iot-gate-ied.dtbo"); |
| 365 | break; |
| 366 | case IOT_GATE_EXT_POE: |
| 367 | extension = calloc(1, sizeof(struct extension)); |
| 368 | snprintf(extension->name, sizeof(extension->name), |
| 369 | "IOT_GATE_EXT_POE"); |
| 370 | break; |
| 371 | case IOT_GATE_EXT_POEV2: |
| 372 | extension = calloc(1, sizeof(struct extension)); |
| 373 | snprintf(extension->name, sizeof(extension->name), |
| 374 | "IOT_GATE_EXT_POEV2"); |
| 375 | break; |
| 376 | default: |
| 377 | printf("IOT_GATE-iMX8 extension board: unknown\n"); |
| 378 | break; |
| 379 | } |
| 380 | |
| 381 | if (extension) { |
| 382 | snprintf(extension->owner, sizeof(extension->owner), |
| 383 | "Compulab"); |
| 384 | list_add_tail(&extension->list, extension_list); |
| 385 | ret = 1; |
| 386 | } else |
| 387 | return ret; |
| 388 | |
| 389 | iot_gate_imx8_update_pinmux(); |
| 390 | |
| 391 | iot_gate_imx8_update_ext_ied(); |
| 392 | for (i=0; i<ARRAY_SIZE(iot_gate_imx8_ext_ied_id); i++) { |
| 393 | extension = NULL; |
| 394 | switch (iot_gate_imx8_ext_ied_id[i]) { |
| 395 | case IOT_GATE_IMX8_CARD_ID_EMPTY: |
| 396 | break; |
| 397 | case IOT_GATE_IMX8_CARD_ID_RS_485: |
| 398 | extension = calloc(1, sizeof(struct extension)); |
| 399 | snprintf(extension->name, sizeof(extension->name), |
| 400 | "IOT_GATE_IMX8_CARD_ID_RS_485"); |
| 401 | break; |
| 402 | case IOT_GATE_IMX8_CARD_ID_RS_232: |
| 403 | extension = calloc(1, sizeof(struct extension)); |
| 404 | snprintf(extension->name, sizeof(extension->name), |
| 405 | "IOT_GATE_IMX8_CARD_ID_RS_232"); |
| 406 | break; |
| 407 | case IOT_GATE_IMX8_CARD_ID_CAN: |
| 408 | extension = calloc(1, sizeof(struct extension)); |
| 409 | snprintf(extension->name, sizeof(extension->name), |
| 410 | "IOT_GATE_IMX8_CARD_ID_CAN"); |
| 411 | snprintf(extension->overlay, sizeof(extension->overlay), |
| 412 | "imx8mm-cl-iot-gate-ied-can%d.dtbo", i); |
| 413 | break; |
| 414 | case IOT_GATE_IMX8_CARD_ID_TPM: |
| 415 | extension = calloc(1, sizeof(struct extension)); |
| 416 | snprintf(extension->name, sizeof(extension->name), |
| 417 | "IOT_GATE_IMX8_CARD_ID_TPM"); |
| 418 | snprintf(extension->overlay, sizeof(extension->overlay), |
| 419 | "imx8mm-cl-iot-gate-ied-tpm%d.dtbo", i); |
| 420 | break; |
| 421 | case IOT_GATE_IMX8_CARD_ID_CL420: |
| 422 | extension = calloc(1, sizeof(struct extension)); |
| 423 | snprintf(extension->name, sizeof(extension->name), |
| 424 | "IOT_GATE_IMX8_CARD_ID_CL420"); |
| 425 | snprintf(extension->overlay, sizeof(extension->overlay), |
| 426 | "imx8mm-cl-iot-gate-ied-can%d.dtbo", i); |
| 427 | break; |
| 428 | case IOT_GATE_IMX8_CARD_ID_DI4O4: |
| 429 | extension = calloc(1, sizeof(struct extension)); |
| 430 | snprintf(extension->name, sizeof(extension->name), |
| 431 | "IOT_GATE_IMX8_CARD_ID_DI4O4"); |
| 432 | break; |
| 433 | default: |
| 434 | printf("%s: invalid slot %d card ID: %d\n", |
| 435 | __func__, i, iot_gate_imx8_ext_ied_id[i]); |
| 436 | break; |
| 437 | } |
| 438 | if (extension) { |
| 439 | snprintf(extension->owner, sizeof(extension->owner), |
| 440 | "Compulab"); |
| 441 | snprintf(extension->other, sizeof(extension->other), |
| 442 | "On slot %d", i); |
| 443 | list_add_tail(&extension->list, extension_list); |
| 444 | ret = ret + 1; |
| 445 | } |
| 446 | } |
| 447 | |
| 448 | return ret; |
| 449 | } |
| 450 | |
Fabio Estevam | f2acfc7 | 2022-04-12 13:05:37 -0300 | [diff] [blame] | 451 | static int setup_mac_address(void) |
| 452 | { |
| 453 | unsigned char enetaddr[6]; |
| 454 | struct udevice *dev; |
| 455 | int ret, off; |
| 456 | |
| 457 | ret = eth_env_get_enetaddr("ethaddr", enetaddr); |
| 458 | if (ret) |
| 459 | return 0; |
| 460 | |
| 461 | off = fdt_path_offset(gd->fdt_blob, "eeprom1"); |
| 462 | if (off < 0) { |
| 463 | printf("No eeprom0 path offset found in DT\n"); |
| 464 | return off; |
| 465 | } |
| 466 | |
| 467 | ret = uclass_get_device_by_of_offset(UCLASS_I2C_EEPROM, off, &dev); |
| 468 | if (ret) { |
| 469 | printf("%s: Could not find EEPROM\n", __func__); |
| 470 | return ret; |
| 471 | } |
| 472 | |
| 473 | ret = i2c_set_chip_offset_len(dev, 1); |
| 474 | if (ret) |
| 475 | return ret; |
| 476 | |
| 477 | ret = i2c_eeprom_read(dev, 4, enetaddr, sizeof(enetaddr)); |
| 478 | if (ret) { |
| 479 | printf("%s: Could not read EEPROM\n", __func__); |
| 480 | return ret; |
| 481 | } |
| 482 | |
| 483 | ret = is_valid_ethaddr(enetaddr); |
| 484 | if (!ret) |
| 485 | return -EINVAL; |
| 486 | |
| 487 | ret = eth_env_set_enetaddr("ethaddr", enetaddr); |
| 488 | if (ret) |
| 489 | return ret; |
| 490 | |
| 491 | return 0; |
| 492 | } |
| 493 | |
Fabio Estevam | 938f70f | 2022-04-12 13:05:38 -0300 | [diff] [blame] | 494 | static int read_serial_number(void) |
| 495 | { |
| 496 | unsigned char serialnumber[6]; |
| 497 | unsigned char reversed[6]; |
| 498 | char serial_string[12]; |
| 499 | struct udevice *dev; |
| 500 | int ret, off, i; |
| 501 | |
| 502 | off = fdt_path_offset(gd->fdt_blob, "eeprom0"); |
| 503 | if (off < 0) { |
| 504 | printf("No eeprom0 path offset found in DT\n"); |
| 505 | return off; |
| 506 | } |
| 507 | |
| 508 | ret = uclass_get_device_by_of_offset(UCLASS_I2C_EEPROM, off, &dev); |
| 509 | if (ret) { |
| 510 | printf("%s: Could not find EEPROM\n", __func__); |
| 511 | return ret; |
| 512 | } |
| 513 | |
| 514 | ret = i2c_set_chip_offset_len(dev, 1); |
| 515 | if (ret) |
| 516 | return ret; |
| 517 | |
| 518 | ret = i2c_eeprom_read(dev, 0x14, serialnumber, sizeof(serialnumber)); |
| 519 | if (ret) { |
| 520 | printf("%s: Could not read EEPROM\n", __func__); |
| 521 | return ret; |
| 522 | } |
| 523 | |
| 524 | for (i = sizeof(serialnumber) - 1; i >= 0; i--) |
| 525 | reversed[i] = serialnumber[sizeof(serialnumber) - 1 - i]; |
| 526 | |
| 527 | for (i = 0; i < sizeof(reversed); i++) { |
| 528 | serial_string[i * 2] = (reversed[i] >> 4) & 0xf; |
| 529 | serial_string[i * 2 + 1] = reversed[i] & 0xf; |
| 530 | } |
| 531 | |
| 532 | for (i = 0; i < sizeof(serial_string); i++) |
| 533 | serial_string[i] += '0'; |
| 534 | |
| 535 | env_set("serial#", serial_string); |
| 536 | |
| 537 | return 0; |
| 538 | } |
| 539 | |
Ying-Chun Liu (PaulLiu) | a97107f | 2021-04-22 04:50:31 +0800 | [diff] [blame] | 540 | int board_late_init(void) |
| 541 | { |
Fabio Estevam | f2acfc7 | 2022-04-12 13:05:37 -0300 | [diff] [blame] | 542 | int ret; |
| 543 | |
Ying-Chun Liu (PaulLiu) | a97107f | 2021-04-22 04:50:31 +0800 | [diff] [blame] | 544 | if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) { |
| 545 | env_set("board_name", "IOT-GATE-IMX8"); |
| 546 | env_set("board_rev", "SBC-IOTMX8"); |
| 547 | } |
| 548 | |
Fabio Estevam | f2acfc7 | 2022-04-12 13:05:37 -0300 | [diff] [blame] | 549 | ret = setup_mac_address(); |
| 550 | if (ret < 0) |
| 551 | printf("Cannot set MAC address from EEPROM\n"); |
| 552 | |
Fabio Estevam | 938f70f | 2022-04-12 13:05:38 -0300 | [diff] [blame] | 553 | ret = read_serial_number(); |
| 554 | if (ret < 0) |
| 555 | printf("Cannot read serial number from EEPROM\n"); |
| 556 | |
Ying-Chun Liu (PaulLiu) | a97107f | 2021-04-22 04:50:31 +0800 | [diff] [blame] | 557 | return 0; |
| 558 | } |