diff options
| author | Mathew King <mathewk@chromium.org> | 2021-02-23 14:15:50 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2021-03-02 17:04:59 +0000 |
| commit | c44cc1907981396caef4f6fc50dcc5b9b648f6b9 (patch) | |
| tree | bc4012c935443deea7588fe2b08ed1607a5732fa | |
| parent | 9f13cb72c500b85bf972763c3ffc2e00fb4d3d70 (diff) | |
mb/google/guybrush: Add eSPI configuration
BUG=b:180507937
TEST=builds
Signed-off-by: Mathew King <mathewk@chromium.org>
Change-Id: Ic607d6bca5c70255332a6fbee2b63e6daba7d1e7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51047
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/mainboard/google/guybrush/Kconfig | 1 | ||||
| -rw-r--r-- | src/mainboard/google/guybrush/variants/baseboard/devicetree.cb | 38 |
2 files changed, 39 insertions, 0 deletions
diff --git a/src/mainboard/google/guybrush/Kconfig b/src/mainboard/google/guybrush/Kconfig index 46e8a5ab32..4884cf18d1 100644 --- a/src/mainboard/google/guybrush/Kconfig +++ b/src/mainboard/google/guybrush/Kconfig @@ -11,6 +11,7 @@ config BOARD_SPECIFIC_OPTIONS select BOARD_ROMSIZE_KB_16384 select MAINBOARD_HAS_CHROMEOS select SOC_AMD_CEZANNE + select SOC_AMD_COMMON_BLOCK_USE_ESPI config CHROMEOS select EC_GOOGLE_CHROMEEC diff --git a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb index 519bd07fab..cacc8d2665 100644 --- a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb @@ -1,5 +1,43 @@ # SPDX-License-Identifier: GPL-2.0-or-later chip soc/amd/cezanne + + # 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, + .dedicated_alert_pin = 1, + .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), + }" + device domain 0 on end # domain end # chip soc/amd/cezanne |