diff options
| author | Jonathan Zhang <jonzhang@fb.com> | 2021-03-22 16:27:56 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-03-28 16:07:53 +0000 |
| commit | da2827949eb108381068272354b9f92f39b84086 (patch) | |
| tree | aebec4cd30a4f5ca5c769bf32697a9a73a401210 | |
| parent | 9f53477768156bfe29403f6facc10552e53a2d64 (diff) | |
| download | coreboot-da2827949eb108381068272354b9f92f39b84086.tar.gz | |
mb/facebook/watson/v2: Reserve memory region for CPLD access
For watson_v2 variant, add lpc_lgmr register in device tree
configuration to access CPLD regsiters.
TESTED=booted watson_v2 server into target OS, confirm
CPLD register access:
devmem2 0xB0000100
Value at address 0xb0000100: 0x00020003
Signed-off-by: Jonathan Zhang <jonzhang@fb.com>
Signed-off-by: Ravi Rama <rrama@arista.com>
Change-Id: I43ee89b8609c64bccf5a21171d8ff192e6aca0ef
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51718
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/mainboard/facebook/watson/variants/watson_v2/devicetree.cb | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mainboard/facebook/watson/variants/watson_v2/devicetree.cb b/src/mainboard/facebook/watson/variants/watson_v2/devicetree.cb index 276dea0c8b..e019a4eb2c 100644 --- a/src/mainboard/facebook/watson/variants/watson_v2/devicetree.cb +++ b/src/mainboard/facebook/watson/variants/watson_v2/devicetree.cb @@ -1,4 +1,5 @@ chip soc/intel/fsp_broadwell_de + register "lpc_lgmr" = "0xb0000001" # CPLD device cpu_cluster 0 on device lapic 0 on end end |