diff options
| -rw-r--r-- | src/mainboard/amd/birman/Makefile.inc | 6 | ||||
| -rw-r--r-- | src/mainboard/amd/birman/port_descriptors_glinda.c (renamed from src/mainboard/amd/birman/port_descriptors.c) | 0 | ||||
| -rw-r--r-- | src/mainboard/amd/birman/port_descriptors_phoenix.c | 130 |
3 files changed, 134 insertions, 2 deletions
diff --git a/src/mainboard/amd/birman/Makefile.inc b/src/mainboard/amd/birman/Makefile.inc index df931d991a..079e72b615 100644 --- a/src/mainboard/amd/birman/Makefile.inc +++ b/src/mainboard/amd/birman/Makefile.inc @@ -4,11 +4,13 @@ bootblock-y += bootblock.c bootblock-y += early_gpio.c bootblock-y += ec.c -romstage-y += port_descriptors.c +romstage-$(CONFIG_BOARD_AMD_BIRMAN_PHOENIX) += port_descriptors_phoenix.c +romstage-$(CONFIG_BOARD_AMD_BIRMAN_GLINDA) += port_descriptors_glinda.c ramstage-y += chromeos.c ramstage-y += gpio.c -ramstage-y += port_descriptors.c +ramstage-$(CONFIG_BOARD_AMD_BIRMAN_PHOENIX) += port_descriptors_phoenix.c +ramstage-$(CONFIG_BOARD_AMD_BIRMAN_GLINDA) += port_descriptors_glinda.c ifneq ($(wildcard $(MAINBOARD_BLOBS_DIR)/APCB_FP8_LPDDR5.bin),) APCB_SOURCES = $(MAINBOARD_BLOBS_DIR)/APCB_FP8_LPDDR5.bin diff --git a/src/mainboard/amd/birman/port_descriptors.c b/src/mainboard/amd/birman/port_descriptors_glinda.c index a2c4557eae..a2c4557eae 100644 --- a/src/mainboard/amd/birman/port_descriptors.c +++ b/src/mainboard/amd/birman/port_descriptors_glinda.c diff --git a/src/mainboard/amd/birman/port_descriptors_phoenix.c b/src/mainboard/amd/birman/port_descriptors_phoenix.c new file mode 100644 index 0000000000..a2c4557eae --- /dev/null +++ b/src/mainboard/amd/birman/port_descriptors_phoenix.c @@ -0,0 +1,130 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <console/console.h> +#include <device/i2c_simple.h> +#include <gpio.h> +#include <soc/platform_descriptors.h> +#include <types.h> + +/* TODO: Update for birman */ + +static const fsp_dxio_descriptor birman_dxio_descriptors[] = { + { + .engine_type = PCIE_ENGINE, + .port_present = true, + .start_logical_lane = 0, + .end_logical_lane = 0, + .device_number = 2, + .function_number = 1, + .link_speed_capability = GEN3, + .turn_off_unused_lanes = true, + .link_aspm = 2, + .link_hotplug = 3, + .clk_req = CLK_REQ3, + }, + { + .engine_type = PCIE_ENGINE, + .port_present = true, + .start_logical_lane = 1, + .end_logical_lane = 1, + .device_number = 2, + .function_number = 2, + .link_speed_capability = GEN3, + .turn_off_unused_lanes = true, + .link_aspm = 2, + .link_hotplug = 3, + .clk_req = CLK_REQ1, + }, + { + .engine_type = PCIE_ENGINE, + .port_present = true, + .start_logical_lane = 2, + .end_logical_lane = 3, + .device_number = 2, + .function_number = 3, + .link_speed_capability = GEN3, + .turn_off_unused_lanes = true, + .link_aspm = 2, + .link_hotplug = 3, + .gpio_group_id = GPIO_27, + .clk_req = CLK_REQ0, + }, +}; + +static fsp_ddi_descriptor birman_ddi_descriptors[] = { + { /* DDI0 - eDP */ + .connector_type = DDI_EDP, + .aux_index = DDI_AUX1, + .hdp_index = DDI_HDP1 + }, + { /* DDI1 - HDMI/DP */ + .connector_type = DDI_HDMI, + .aux_index = DDI_AUX2, + .hdp_index = DDI_HDP2 + }, + { /* DDI2 - DP (type C) */ + .connector_type = DDI_DP, + .aux_index = DDI_AUX3, + .hdp_index = DDI_HDP3, + }, + { /* DDI3 - DP (type C) */ + .connector_type = DDI_DP, + .aux_index = DDI_AUX4, + .hdp_index = DDI_HDP4, + }, + { /* DDI4 - unused */ + .connector_type = DDI_UNUSED_TYPE, + .aux_index = DDI_AUX5, + .hdp_index = DDI_HDP5, + } +}; + +static uint8_t get_ddi1_type(void) +{ + const uint8_t eeprom_i2c_bus = 2; + const uint8_t eeprom_i2c_address = 0x55; + const uint16_t eeprom_connector_type_offset = 2; + uint8_t eeprom_connector_type_data[2]; + uint16_t connector_type; + + if (i2c_2ba_read_bytes(eeprom_i2c_bus, eeprom_i2c_address, + eeprom_connector_type_offset, eeprom_connector_type_data, + sizeof(eeprom_connector_type_data))) { + printk(BIOS_NOTICE, + "Display connector type couldn't be determined. Disabling DDI1.\n"); + return DDI_UNUSED_TYPE; + } + + connector_type = eeprom_connector_type_data[1] | eeprom_connector_type_data[0] << 8; + + switch (connector_type) { + case 0x0c: + printk(BIOS_DEBUG, "Configuring DDI1 as HDMI.\n"); + return DDI_HDMI; + case 0x13: + printk(BIOS_DEBUG, "Configuring DDI1 as DP.\n"); + return DDI_DP; + case 0x14: + printk(BIOS_DEBUG, "Configuring DDI1 as eDP.\n"); + return DDI_EDP; + case 0x17: + printk(BIOS_DEBUG, "Configuring DDI1 as USB-C.\n"); + return DDI_DP_W_TYPEC; + default: + printk(BIOS_WARNING, "Unexpected display connector type %x. Disabling DDI1.\n", + connector_type); + return DDI_UNUSED_TYPE; + } +} + +void mainboard_get_dxio_ddi_descriptors( + const fsp_dxio_descriptor **dxio_descs, size_t *dxio_num, + const fsp_ddi_descriptor **ddi_descs, size_t *ddi_num) +{ + birman_ddi_descriptors[1].connector_type = get_ddi1_type(); + + *dxio_descs = birman_dxio_descriptors; + *dxio_num = ARRAY_SIZE(birman_dxio_descriptors); + *ddi_descs = birman_ddi_descriptors; + *ddi_num = ARRAY_SIZE(birman_ddi_descriptors); +} |