diff options
| author | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2021-02-11 13:43:02 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-02-15 08:25:47 +0000 |
| commit | d4749184c242114ed2d43b2acdcbce9e568fe920 (patch) | |
| tree | 4c82d815636a85215aa31d62d7b75f9bc1d1800d /src/mainboard | |
| parent | ad21d6bfcaa5fb5c5bd9cc34dee0c7ef8c85ea42 (diff) | |
mb/google/brya: Add EC I/O decode windows
BUG=b:180013349
TEST=console shows successful EC <-> SoC communications
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: Ie09dcfa8b0de2706ffc236a978dc159594e327c8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50568
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/brya/variants/baseboard/devicetree.cb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/baseboard/devicetree.cb b/src/mainboard/google/brya/variants/baseboard/devicetree.cb index b6b49dc361..c992f4fd2f 100644 --- a/src/mainboard/google/brya/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/brya/variants/baseboard/devicetree.cb @@ -3,6 +3,12 @@ chip soc/intel/alderlake device lapic 0 on end end + # EC host command ranges are in 0x800-0x8ff & 0x200-0x20f + register "gen1_dec" = "0x00fc0801" + register "gen2_dec" = "0x000c0201" + # EC memory map range is 0x900-0x9ff + register "gen3_dec" = "0x00fc0901" + # This disabled autonomous GPIO power management, otherwise # old cr50 FW only supports short pulses; need to clarify # the minimum PCH IRQ pulse width with Intel, b/180111628 |