Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
Fred Reitberger | 248916a | 2022-04-22 17:37:47 -0400 | [diff] [blame] | 3 | #include <console/console.h> |
| 4 | #include <device/i2c_simple.h> |
Elyes Haouas | 9aebc19 | 2023-01-30 20:02:03 +0100 | [diff] [blame^] | 5 | #include <gpio.h> |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 6 | #include <soc/platform_descriptors.h> |
| 7 | #include <types.h> |
| 8 | |
Fred Reitberger | 0cbde30 | 2022-03-31 08:15:57 -0400 | [diff] [blame] | 9 | static const fsp_dxio_descriptor chausie_dxio_descriptors[] = { |
Felix Held | 2b4d148 | 2022-02-13 23:26:44 +0100 | [diff] [blame] | 10 | { /* GBE*/ |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 11 | .engine_type = PCIE_ENGINE, |
| 12 | .port_present = true, |
| 13 | .start_logical_lane = 0, |
Felix Held | 2b4d148 | 2022-02-13 23:26:44 +0100 | [diff] [blame] | 14 | .end_logical_lane = 0, |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 15 | .device_number = 2, |
| 16 | .function_number = 1, |
Felix Held | 2b4d148 | 2022-02-13 23:26:44 +0100 | [diff] [blame] | 17 | .link_speed_capability = GEN3, |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 18 | .turn_off_unused_lanes = true, |
Felix Held | 2b4d148 | 2022-02-13 23:26:44 +0100 | [diff] [blame] | 19 | .link_aspm = 2, |
| 20 | .link_hotplug = 3, |
| 21 | .clk_req = CLK_REQ3, |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 22 | }, |
Felix Held | 2b4d148 | 2022-02-13 23:26:44 +0100 | [diff] [blame] | 23 | { /* WIFI */ |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 24 | .engine_type = PCIE_ENGINE, |
| 25 | .port_present = true, |
Felix Held | 2b4d148 | 2022-02-13 23:26:44 +0100 | [diff] [blame] | 26 | .start_logical_lane = 1, |
| 27 | .end_logical_lane = 1, |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 28 | .device_number = 2, |
| 29 | .function_number = 2, |
Felix Held | 2b4d148 | 2022-02-13 23:26:44 +0100 | [diff] [blame] | 30 | .link_speed_capability = GEN3, |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 31 | .turn_off_unused_lanes = true, |
Felix Held | 2b4d148 | 2022-02-13 23:26:44 +0100 | [diff] [blame] | 32 | .link_aspm = 2, |
| 33 | .link_hotplug = 3, |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 34 | .clk_req = CLK_REQ1, |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 35 | }, |
Felix Held | 2b4d148 | 2022-02-13 23:26:44 +0100 | [diff] [blame] | 36 | { /* NVMe SSD */ |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 37 | .engine_type = PCIE_ENGINE, |
| 38 | .port_present = true, |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 39 | .start_logical_lane = 2, |
| 40 | .end_logical_lane = 3, |
Felix Held | 2b4d148 | 2022-02-13 23:26:44 +0100 | [diff] [blame] | 41 | .device_number = 2, |
| 42 | .function_number = 3, |
| 43 | .link_speed_capability = GEN3, |
| 44 | .turn_off_unused_lanes = true, |
| 45 | .link_aspm = 2, |
| 46 | .link_hotplug = 3, |
| 47 | .gpio_group_id = GPIO_27, |
| 48 | .clk_req = CLK_REQ0, |
| 49 | }, |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 50 | }; |
| 51 | |
Fred Reitberger | 248916a | 2022-04-22 17:37:47 -0400 | [diff] [blame] | 52 | static fsp_ddi_descriptor chausie_ddi_descriptors[] = { |
Felix Held | a84c00c | 2022-03-28 18:05:36 +0200 | [diff] [blame] | 53 | { /* DDI0 - eDP */ |
| 54 | .connector_type = DDI_EDP, |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 55 | .aux_index = DDI_AUX1, |
| 56 | .hdp_index = DDI_HDP1 |
| 57 | }, |
Fred Reitberger | 248916a | 2022-04-22 17:37:47 -0400 | [diff] [blame] | 58 | { /* DDI1 - HDMI/DP */ |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 59 | .connector_type = DDI_HDMI, |
| 60 | .aux_index = DDI_AUX2, |
| 61 | .hdp_index = DDI_HDP2 |
| 62 | }, |
Felix Held | a84c00c | 2022-03-28 18:05:36 +0200 | [diff] [blame] | 63 | { /* DDI2 - DP (type C) */ |
Jason Nien | 29f1580 | 2022-08-17 17:04:44 -0500 | [diff] [blame] | 64 | .connector_type = DDI_DP_W_TYPEC, |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 65 | .aux_index = DDI_AUX3, |
| 66 | .hdp_index = DDI_HDP3, |
| 67 | }, |
| 68 | { /* DDI3 - DP (type C) */ |
Jason Nien | 29f1580 | 2022-08-17 17:04:44 -0500 | [diff] [blame] | 69 | .connector_type = DDI_DP_W_TYPEC, |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 70 | .aux_index = DDI_AUX4, |
| 71 | .hdp_index = DDI_HDP4, |
Felix Held | a84c00c | 2022-03-28 18:05:36 +0200 | [diff] [blame] | 72 | }, |
| 73 | { /* DDI4 - unused */ |
| 74 | .connector_type = DDI_UNUSED_TYPE, |
| 75 | .aux_index = DDI_AUX5, |
| 76 | .hdp_index = DDI_HDP5, |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 77 | } |
| 78 | }; |
| 79 | |
Fred Reitberger | 248916a | 2022-04-22 17:37:47 -0400 | [diff] [blame] | 80 | static uint8_t get_ddi1_type(void) |
| 81 | { |
| 82 | const uint8_t eeprom_i2c_bus = 2; |
| 83 | const uint8_t eeprom_i2c_address = 0x55; |
| 84 | const uint16_t eeprom_connector_type_offset = 2; |
| 85 | uint8_t eeprom_connector_type_data[2]; |
| 86 | uint16_t connector_type; |
| 87 | |
| 88 | if (i2c_2ba_read_bytes(eeprom_i2c_bus, eeprom_i2c_address, |
| 89 | eeprom_connector_type_offset, eeprom_connector_type_data, |
| 90 | sizeof(eeprom_connector_type_data))) { |
| 91 | printk(BIOS_NOTICE, |
| 92 | "Display connector type couldn't be determined. Disabling DDI1.\n"); |
| 93 | return DDI_UNUSED_TYPE; |
| 94 | } |
| 95 | |
| 96 | connector_type = eeprom_connector_type_data[1] | eeprom_connector_type_data[0] << 8; |
| 97 | |
| 98 | switch (connector_type) { |
| 99 | case 0xc: |
| 100 | printk(BIOS_DEBUG, "Configuring DDI1 as HDMI.\n"); |
| 101 | return DDI_HDMI; |
| 102 | break; |
| 103 | case 0x13: |
| 104 | printk(BIOS_DEBUG, "Configuring DDI1 as DP.\n"); |
| 105 | return DDI_DP; |
| 106 | break; |
| 107 | case 0x14: |
| 108 | printk(BIOS_DEBUG, "Configuring DDI1 as eDP.\n"); |
| 109 | return DDI_EDP; |
| 110 | break; |
| 111 | default: |
| 112 | printk(BIOS_WARNING, "Unexpected display connector type %x. Disabling DDI1.\n", |
| 113 | connector_type); |
| 114 | return DDI_UNUSED_TYPE; |
| 115 | } |
| 116 | } |
| 117 | |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 118 | void mainboard_get_dxio_ddi_descriptors( |
| 119 | const fsp_dxio_descriptor **dxio_descs, size_t *dxio_num, |
| 120 | const fsp_ddi_descriptor **ddi_descs, size_t *ddi_num) |
| 121 | { |
Fred Reitberger | 248916a | 2022-04-22 17:37:47 -0400 | [diff] [blame] | 122 | chausie_ddi_descriptors[1].connector_type = get_ddi1_type(); |
| 123 | |
Fred Reitberger | 0cbde30 | 2022-03-31 08:15:57 -0400 | [diff] [blame] | 124 | *dxio_descs = chausie_dxio_descriptors; |
| 125 | *dxio_num = ARRAY_SIZE(chausie_dxio_descriptors); |
| 126 | *ddi_descs = chausie_ddi_descriptors; |
| 127 | *ddi_num = ARRAY_SIZE(chausie_ddi_descriptors); |
Felix Held | a8d7c04 | 2022-01-11 16:22:35 +0100 | [diff] [blame] | 128 | } |