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Subject[PATCH 01/21] amd64_edac: clarify DRAM CTL debug reporting
Date
Make debug info formulations about the DRAM and DCT configuration of the
machine more human readable.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
---
drivers/edac/amd64_edac.c | 37 +++++++++++++++++++++++--------------
1 files changed, 23 insertions(+), 14 deletions(-)
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index a38831c..0252a61 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1402,27 +1402,36 @@ static void f10_read_dram_ctl_register(struct amd64_pvt *pvt)
err = pci_read_config_dword(pvt->dram_f2_ctl, F10_DCTL_SEL_LOW,
&pvt->dram_ctl_select_low);
if (err) {
- debugf0("Reading F10_DCTL_SEL_LOW failed\n");
+ debugf0("Reading F2x110 (DCTL Sel. Low) failed\n");
} else {
- debugf0("DRAM_DCTL_SEL_LOW=0x%x DctSelBaseAddr=0x%x\n",
- pvt->dram_ctl_select_low, dct_sel_baseaddr(pvt));
-
- debugf0(" DRAM DCTs are=%s DRAM Is=%s DRAM-Ctl-"
- "sel-hi-range=%s\n",
- (dct_ganging_enabled(pvt) ? "GANGED" : "NOT GANGED"),
- (dct_dram_enabled(pvt) ? "Enabled" : "Disabled"),
- (dct_high_range_enabled(pvt) ? "Enabled" : "Disabled"));
-
- debugf0(" DctDatIntLv=%s MemCleared=%s DctSelIntLvAddr=0x%x\n",
- (dct_data_intlv_enabled(pvt) ? "Enabled" : "Disabled"),
- (dct_memory_cleared(pvt) ? "True " : "False "),
+ debugf0("F2x110 (DCTL Sel. Low): 0x%08x, "
+ "High range addresses at: 0x%x\n",
+ pvt->dram_ctl_select_low,
+ dct_sel_baseaddr(pvt));
+
+ debugf0(" DCT mode: %s, All DCTs on: %s\n",
+ (dct_ganging_enabled(pvt) ? "ganged" : "unganged"),
+ (dct_dram_enabled(pvt) ? "yes" : "no"));
+
+ if (!dct_ganging_enabled(pvt))
+ debugf0(" Address range split per DCT: %s\n",
+ (dct_high_range_enabled(pvt) ? "yes" : "no"));
+
+ debugf0(" DCT data interleave for ECC: %s, "
+ "DRAM cleared since last warm reset: %s\n",
+ (dct_data_intlv_enabled(pvt) ? "enabled" : "disabled"),
+ (dct_memory_cleared(pvt) ? "yes" : "no"));
+
+ debugf0(" DCT channel interleave: %s, "
+ "DCT interleave bits selector: 0x%x\n",
+ (dct_interleave_enabled(pvt) ? "enabled" : "disabled"),
dct_sel_interleave_addr(pvt));
}

err = pci_read_config_dword(pvt->dram_f2_ctl, F10_DCTL_SEL_HIGH,
&pvt->dram_ctl_select_high);
if (err)
- debugf0("Reading F10_DCTL_SEL_HIGH failed\n");
+ debugf0("Reading F2x114 (DCT Sel. High) failed\n");
}

/*
--
1.6.4.3



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