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authorJohn Zhao <john.zhao@intel.com>2021-01-01 12:25:56 -0800
committerPatrick Georgi <pgeorgi@google.com>2021-01-22 14:28:14 +0000
commit408e5ab6c9d09fc34c7febc57438c6500e6efa9c (patch)
tree2770edac86dd8e55b8ac1c44438e9d9e9e0c29d0 /src/ec
parent297d27b8bb628e40f93c283068cc68d033b9d162 (diff)
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ec/google/chromeec: Add RFWU into EC RAM for Retimer firmware update
The RFWU byte is defined as Bits[3:0] for port number and Bits[7:4] for operations. The supported operations are: RETIMER_FW_UPDATE_PORT_INFO 0 RETIMER_FW_UPDATE_PD_SUSPEND 1 RETIMER_FW_UPDATE_PD_RESUME 2 RETIMER_FW_UPDATE_GET_MUX 3 RETIMER_FW_UPDATE_SET_USB 4 RETIMER_FW_UPDATE_SET_SAFE 5 RETIMER_FW_UPDATE_SET_TBT 6 RETIMER_FW_UPDATE_DISCONNECT 7 BUG=b:162528867 TEST=Booted to kernel and verified RFWU entry from ACPI DSDT ERAM field. Signed-off-by: John Zhao <john.zhao@intel.com> Change-Id: I1ba04c6357b6fd0cc33ffce33e7e430539bace79 Reviewed-on: https://review.coreboot.org/c/coreboot/+/49051 Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/ec')
-rw-r--r--src/ec/google/chromeec/acpi/ec.asl1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
index 218d08b091c8..7b1a66391c79 100644
--- a/src/ec/google/chromeec/acpi/ec.asl
+++ b/src/ec/google/chromeec/acpi/ec.asl
@@ -81,6 +81,7 @@ Device (EC0)
Offset (0x12),
BTID, 8, // Battery index that host wants to read
USPP, 8, // USB Port Power
+ RFWU, 8, // Retimer Firmware Update
}
#if CONFIG(EC_GOOGLE_CHROMEEC_ACPI_MEMMAP)