Change in coreboot[master]: sb/intel/i82801jx: Enable upper 128bytes of CMOS

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/36755 )

Change subject: sb/intel/i82801jx: Enable upper 128bytes of CMOS
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sb/intel/i82801jx: Enable upper 128bytes of CMOS

The normal romcc bootblock uses this.

Change-Id: I60f735f703a9208911f5cc8a81930535e574644d
Signed-off-by: Arthur Heymans 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36755
Reviewed-by: Patrick Georgi 
Tested-by: build bot (Jenkins) 
---
M src/southbridge/intel/i82801jx/bootblock.c
1 file changed, 3 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Patrick Georgi: Looks good to me, approved

diff --git a/src/southbridge/intel/i82801jx/bootblock.c b/src/southbridge/intel/i82801jx/bootblock.c
index fb2d533..01faef3 100644
--- a/src/southbridge/intel/i82801jx/bootblock.c
+++ b/src/southbridge/intel/i82801jx/bootblock.c
@@ -36,4 +36,7 @@
    /* Enable RCBA */
    pci_write_config32(PCI_DEV(0, 0x1f, 0), RCBA,
    		(uintptr_t)DEFAULT_RCBA | 1);
+
+	/* Enable upper 128bytes of CMOS. */
+	RCBA32(0x3400) = (1 << 2);
 }