From 87074f904219744291f4fd56e0241d40f2dd583a Mon Sep 17 00:00:00 2001
From: Arthur Heymans <arthur@aheymans.xyz>
Date: Mon, 11 Nov 2019 19:58:26 +0100
Subject: [PATCH] sb/intel/i82801jx: Enable upper 128bytes of CMOS

The normal romcc bootblock uses this.

Change-Id: I60f735f703a9208911f5cc8a81930535e574644d
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36755
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/southbridge/intel/i82801jx/bootblock.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/southbridge/intel/i82801jx/bootblock.c b/src/southbridge/intel/i82801jx/bootblock.c
index fb2d5337b3..01faef34af 100644
--- a/src/southbridge/intel/i82801jx/bootblock.c
+++ b/src/southbridge/intel/i82801jx/bootblock.c
@@ -36,4 +36,7 @@ static void bootblock_southbridge_init(void)
 	/* 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);
 }