guybrush: Increase eSPI bus frequency to 33Mhz
Change eSPI bus frequency to 33Mhz.
BUG=b:184356693, b:185514521
TEST=Boot guybrush, observe no eSPI bus errors
Change-Id: Ie2c1b256531f5c7354600e35e9e5191567197feb
Signed-off-by: Rob Barnes <robbarnes@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52402
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
index 20f286e..84bdfcf 100644
--- a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
@@ -27,7 +27,7 @@
},
.io_mode = ESPI_IO_MODE_QUAD,
- .op_freq_mhz = ESPI_OP_FREQ_16_MHZ,
+ .op_freq_mhz = ESPI_OP_FREQ_33_MHZ,
.crc_check_enable = 1,
.dedicated_alert_pin = 1,
.periph_ch_en = 1,