diff options
| -rw-r--r-- | src/mainboard/google/skyrim/Kconfig | 1 | ||||
| -rw-r--r-- | src/mainboard/google/skyrim/variants/baseboard/devicetree.cb | 38 |
2 files changed, 39 insertions, 0 deletions
diff --git a/src/mainboard/google/skyrim/Kconfig b/src/mainboard/google/skyrim/Kconfig index 558c667384..bedddd7b85 100644 --- a/src/mainboard/google/skyrim/Kconfig +++ b/src/mainboard/google/skyrim/Kconfig @@ -27,6 +27,7 @@ config BOARD_SPECIFIC_OPTIONS select FW_CONFIG select MAINBOARD_HAS_CHROMEOS select SOC_AMD_SABRINA + select SOC_AMD_COMMON_BLOCK_USE_ESPI config CHROMEOS select EC_GOOGLE_CHROMEEC_SWITCHES diff --git a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb index 242f0fac72..a3440735c1 100644 --- a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb @@ -1,5 +1,43 @@ # SPDX-License-Identifier: GPL-2.0-or-later chip soc/amd/sabrina + + # eSPI Configuration + register "common_config.espi_config" = "{ + .std_io_decode_bitmap = ESPI_DECODE_IO_0x80_EN | ESPI_DECODE_IO_0X60_0X64_EN, + .generic_io_range[0] = { + .base = 0x62, + /* + * Only 0x62 and 0x66 are required. But, this is not supported by + * standard IO decodes and there are only 4 generic I/O windows + * available. Hence, open a window from 0x62-0x67. + */ + .size = 5, + }, + .generic_io_range[1] = { + .base = 0x800, /* EC_HOST_CMD_REGION0 */ + .size = 256, /* EC_HOST_CMD_REGION_SIZE * 2 */ + }, + .generic_io_range[2] = { + .base = 0x900, /* EC_LPC_ADDR_MEMMAP */ + .size = 255, /* EC_MEMMAP_SIZE */ + }, + .generic_io_range[3] = { + .base = 0x200, /* EC_LPC_ADDR_HOST_DATA */ + .size = 8, /* 0x200 - 0x207 */ + }, + + .io_mode = ESPI_IO_MODE_QUAD, + .op_freq_mhz = ESPI_OP_FREQ_33_MHZ, + .crc_check_enable = 1, + .alert_pin = ESPI_ALERT_PIN_IN_BAND, + .periph_ch_en = 1, + .vw_ch_en = 1, + .oob_ch_en = 0, + .flash_ch_en = 0, + + .vw_irq_polarity = ESPI_VW_IRQ_LEVEL_HIGH(1) | ESPI_VW_IRQ_LEVEL_HIGH(12), + }" + register "i2c_scl_reset" = "GPIO_I2C0_SCL | GPIO_I2C1_SCL | GPIO_I2C2_SCL | GPIO_I2C3_SCL" |