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path: root/resources/libreboot/patch/kgpe-d16/0112-southbridge-amd-sr5650-Hide-clock-configuration-devi.patch
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From 95976a8660ad2acc7f4aca0665b195e53c53840c Mon Sep 17 00:00:00 2001
From: Timothy Pearson <tpearson@raptorengineeringinc.com>
Date: Thu, 13 Aug 2015 17:45:12 -0500
Subject: [PATCH 112/139] southbridge/amd/sr5650: Hide clock configuration
 device after setup is complete

Change-Id: I043f2eb0993660d0a9351867eca1e73e0b2c37f1
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
---
 src/southbridge/amd/sr5650/early_setup.c | 16 ++++++++--------
 src/southbridge/amd/sr5650/pcie.c        |  3 +++
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/southbridge/amd/sr5650/early_setup.c b/src/southbridge/amd/sr5650/early_setup.c
index e7cca06..cb666db 100644
--- a/src/southbridge/amd/sr5650/early_setup.c
+++ b/src/southbridge/amd/sr5650/early_setup.c
@@ -414,14 +414,14 @@ static void sr5650_por_misc_index_init(device_t nb_dev)
 	set_nbmisc_enable_bits(nb_dev, 0x01, 0xFFFFFFFF, 0x00000310);
 
 	/* NBCFG (NBMISCIND 0x0): NB_CNTL -
-	 *   HIDE_NB_AGP_CAP  ([0], default=1)HIDE
-	 *   HIDE_P2P_AGP_CAP ([1], default=1)HIDE
-	 *   HIDE_NB_GART_BAR ([2], default=1)HIDE
-	 *   HIDE_MMCFG_BAR   ([3], default=1)SHOW
-	 *   AGPMODE30        ([4], default=0)DISABLE
-	 *   AGP30ENCHANCED   ([5], default=0)DISABLE
-	 *   HIDE_AGP_CAP     ([8], default=1)ENABLE */
-	set_nbmisc_enable_bits(nb_dev, 0x00, 0x0000FFFF, 0 << 0 | 1 << 1 | 1 << 2 | 0 << 3 | 0 << 6);
+	 *   HIDE_NB_AGP_CAP    ([0], default=1)HIDE
+	 *   HIDE_P2P_AGP_CAP   ([1], default=1)HIDE
+	 *   HIDE_NB_GART_BAR   ([2], default=1)HIDE
+	 *   HIDE_MMCFG_BAR     ([3], default=1)SHOW
+	 *   AGPMODE30          ([4], default=0)DISABLE
+	 *   AGP30ENCHANCED     ([5], default=0)DISABLE
+	 *   HIDE_CLKCFG_HEADER ([8], default=0)SHOW */
+	set_nbmisc_enable_bits(nb_dev, 0x00, 0x0000FFFF, 0 << 0 | 1 << 1 | 1 << 2 | 0 << 3 | 0 << 6 | 0 << 8);
 
 	/* IOC_LAT_PERF_CNTR_CNTL */
 	set_nbmisc_enable_bits(nb_dev, 0x30, 0xFF, 0x00);
diff --git a/src/southbridge/amd/sr5650/pcie.c b/src/southbridge/amd/sr5650/pcie.c
index 09ce217..360e9cb 100644
--- a/src/southbridge/amd/sr5650/pcie.c
+++ b/src/southbridge/amd/sr5650/pcie.c
@@ -854,6 +854,9 @@ void sr56x0_lock_hwinitreg(void)
 
 	/* Lock HWInit Register NBMISCIND:0x0 NBCNTL[7] HWINIT_WR_LOCK */
 	set_nbmisc_enable_bits(nb_dev, 0x00, 1 << 7, 1 << 7);
+
+	/* Hide clock configuration PCI device HIDE_CLKCFG_HEADER */
+	set_nbmisc_enable_bits(nb_dev, 0x00, 0x00000100, 1 << 8);
 }
 
 /*****************************************
-- 
1.9.1