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path: root/resources/libreboot/patch/kgpe-d16/0122-northbridge-amd-amdmct-mct_ddr3-Add-cc6-setup-inform.patch
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From d5949a4d3b9b555b1e2a86d2dcb62b23c71cce6f Mon Sep 17 00:00:00 2001
From: Timothy Pearson <tpearson@raptorengineeringinc.com>
Date: Thu, 20 Aug 2015 12:49:49 -0500
Subject: [PATCH 122/143] northbridge/amd/amdmct/mct_ddr3: Add cc6 setup
 information messages

Change-Id: I17660ce5429431e08476b7bba15e381636b64c7d
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
---
 src/northbridge/amd/amdmct/mct_ddr3/mct_d.c |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
index 42630b9..1c3f5a3 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
@@ -1496,6 +1496,8 @@ static void set_up_cc6_storage_fam15(struct MCTStatStruc *pMCTstat,
 	if (pMCTstat->GStatus & (1 << GSB_NodeIntlv))
 		interleaved = 1;
 
+	printk(BIOS_INFO, "%s: Initializing CC6 DRAM storage area for node %d (interleaved: %d)\n", __func__, pDCTstat->Node_ID, interleaved);
+
 	/* Find highest DRAM range (DramLimitAddr) */
 	max_node = 0;
 	max_range = -1;
@@ -1519,6 +1521,9 @@ static void set_up_cc6_storage_fam15(struct MCTStatStruc *pMCTstat,
 	}
 
 	if (max_range >= 0) {
+		printk(BIOS_INFO, "%s:\toriginal (node %d) max_range_limit: %16llx DRAM limit: %16llx\n", __func__, max_node, max_range_limit,
+						(((uint64_t)(Get_NB32(pDCTstat->dev_map, 0x124) & 0x1fffff)) << 27) | 0x7ffffff);
+
 		if (interleaved)
 			/* Move upper limit down by 16M * the number of nodes */
 			max_range_limit -= (0x1000000 * num_nodes);
@@ -1526,6 +1531,8 @@ static void set_up_cc6_storage_fam15(struct MCTStatStruc *pMCTstat,
 			/* Move upper limit down by 16M */
 			max_range_limit -= 0x1000000;
 
+		printk(BIOS_INFO, "%s:\tnew max_range_limit: %16llx\n", __func__, max_range_limit);
+
 		/* Disable the range */
 		dword = Get_NB32(pDCTstat->dev_map, 0x40 + (max_range * 0x8));
 		byte = dword & 0x3;
@@ -1560,6 +1567,10 @@ static void set_up_cc6_storage_fam15(struct MCTStatStruc *pMCTstat,
 	dword &= ~(0x3f << 12);				/* CoreSaveStateDestNode = destination_node */
 	dword |= (destination_node & 0x3f) << 12;
 	Set_NB32(pDCTstat->dev_link, 0x128, dword);
+
+	printk(BIOS_INFO, "%s:\tTarget node: %d\n", __func__, destination_node);
+
+	printk(BIOS_INFO, "%s:\tDone\n", __func__);
 }
 
 static void lock_dram_config(struct MCTStatStruc *pMCTstat,
-- 
1.7.9.5