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authorLinus Torvalds <torvalds@linux-foundation.org>2022-01-10 22:45:23 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-01-10 22:45:23 +0300
commitff8be964208e6b6f1341f0645857c67830a78379 (patch)
treeaad3d83ac02279e098000a4c41168fb606c5a9dc /drivers/edac
parent7e740ae6350407d68d2069ce79a6344bf1b58fe1 (diff)
parentda0119a9123c73269657fc61f537223d6affef02 (diff)
downloadlinux-ff8be964208e6b6f1341f0645857c67830a78379.tar.xz
Merge tag 'edac_updates_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov: - Add support for version 3 of the Synopsys DDR controller to synopsys_edac - Add support for DRR5 and new models 0x10-0x1f and 0x50-0x5f of AMD family 0x19 CPUs to amd64_edac - The usual set of fixes and cleanups * tag 'edac_updates_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/amd64: Add support for family 19h, models 50h-5fh EDAC/sb_edac: Remove redundant initialization of variable rc RAS/CEC: Remove a repeated 'an' in a comment EDAC/amd64: Add support for AMD Family 19h Models 10h-1Fh and A0h-AFh EDAC: Add RDDR5 and LRDDR5 memory types EDAC/sifive: Fix non-kernel-doc comment dt-bindings: memory: Add entry for version 3.80a EDAC/synopsys: Enable the driver on Intel's N5X platform EDAC/synopsys: Add support for version 3 of the Synopsys EDAC DDR EDAC/synopsys: Use the quirk for version instead of ddr version
Diffstat (limited to 'drivers/edac')
-rw-r--r--drivers/edac/Kconfig2
-rw-r--r--drivers/edac/amd64_edac.c36
-rw-r--r--drivers/edac/amd64_edac.h8
-rw-r--r--drivers/edac/edac_mc.c2
-rw-r--r--drivers/edac/sb_edac.c2
-rw-r--r--drivers/edac/sifive_edac.c2
-rw-r--r--drivers/edac/synopsys_edac.c52
7 files changed, 90 insertions, 14 deletions
diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
index 2fc4c3f91fd5..58ab63642e72 100644
--- a/drivers/edac/Kconfig
+++ b/drivers/edac/Kconfig
@@ -484,7 +484,7 @@ config EDAC_ARMADA_XP
config EDAC_SYNOPSYS
tristate "Synopsys DDR Memory Controller"
- depends on ARCH_ZYNQ || ARCH_ZYNQMP
+ depends on ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_INTEL_SOCFPGA
help
Support for error detection and correction on the Synopsys DDR
memory controller.
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index ca0c67bc25c6..fba609ada0e6 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -2925,6 +2925,26 @@ static struct amd64_family_type family_types[] = {
.dbam_to_cs = f17_addr_mask_to_cs_size,
}
},
+ [F19_M10H_CPUS] = {
+ .ctl_name = "F19h_M10h",
+ .f0_id = PCI_DEVICE_ID_AMD_19H_M10H_DF_F0,
+ .f6_id = PCI_DEVICE_ID_AMD_19H_M10H_DF_F6,
+ .max_mcs = 12,
+ .ops = {
+ .early_channel_count = f17_early_channel_count,
+ .dbam_to_cs = f17_addr_mask_to_cs_size,
+ }
+ },
+ [F19_M50H_CPUS] = {
+ .ctl_name = "F19h_M50h",
+ .f0_id = PCI_DEVICE_ID_AMD_19H_M50H_DF_F0,
+ .f6_id = PCI_DEVICE_ID_AMD_19H_M50H_DF_F6,
+ .max_mcs = 2,
+ .ops = {
+ .early_channel_count = f17_early_channel_count,
+ .dbam_to_cs = f17_addr_mask_to_cs_size,
+ }
+ },
};
/*
@@ -3962,11 +3982,25 @@ static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt)
break;
case 0x19:
- if (pvt->model >= 0x20 && pvt->model <= 0x2f) {
+ if (pvt->model >= 0x10 && pvt->model <= 0x1f) {
+ fam_type = &family_types[F19_M10H_CPUS];
+ pvt->ops = &family_types[F19_M10H_CPUS].ops;
+ break;
+ } else if (pvt->model >= 0x20 && pvt->model <= 0x2f) {
fam_type = &family_types[F17_M70H_CPUS];
pvt->ops = &family_types[F17_M70H_CPUS].ops;
fam_type->ctl_name = "F19h_M20h";
break;
+ } else if (pvt->model >= 0x50 && pvt->model <= 0x5f) {
+ fam_type = &family_types[F19_M50H_CPUS];
+ pvt->ops = &family_types[F19_M50H_CPUS].ops;
+ fam_type->ctl_name = "F19h_M50h";
+ break;
+ } else if (pvt->model >= 0xa0 && pvt->model <= 0xaf) {
+ fam_type = &family_types[F19_M10H_CPUS];
+ pvt->ops = &family_types[F19_M10H_CPUS].ops;
+ fam_type->ctl_name = "F19h_MA0h";
+ break;
}
fam_type = &family_types[F19_CPUS];
pvt->ops = &family_types[F19_CPUS].ops;
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 85aa820bc165..352bda9803f6 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -96,7 +96,7 @@
/* Hardware limit on ChipSelect rows per MC and processors per system */
#define NUM_CHIPSELECTS 8
#define DRAM_RANGES 8
-#define NUM_CONTROLLERS 8
+#define NUM_CONTROLLERS 12
#define ON true
#define OFF false
@@ -126,6 +126,10 @@
#define PCI_DEVICE_ID_AMD_17H_M70H_DF_F6 0x1446
#define PCI_DEVICE_ID_AMD_19H_DF_F0 0x1650
#define PCI_DEVICE_ID_AMD_19H_DF_F6 0x1656
+#define PCI_DEVICE_ID_AMD_19H_M10H_DF_F0 0x14ad
+#define PCI_DEVICE_ID_AMD_19H_M10H_DF_F6 0x14b3
+#define PCI_DEVICE_ID_AMD_19H_M50H_DF_F0 0x166a
+#define PCI_DEVICE_ID_AMD_19H_M50H_DF_F6 0x1670
/*
* Function 1 - Address Map
@@ -298,6 +302,8 @@ enum amd_families {
F17_M60H_CPUS,
F17_M70H_CPUS,
F19_CPUS,
+ F19_M10H_CPUS,
+ F19_M50H_CPUS,
NUM_FAMILIES,
};
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 9f82ca295353..9d9aabdec96b 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -162,6 +162,8 @@ const char * const edac_mem_types[] = {
[MEM_LPDDR4] = "Low-Power-DDR4-RAM",
[MEM_LRDDR4] = "Load-Reduced-DDR4-RAM",
[MEM_DDR5] = "Unbuffered-DDR5",
+ [MEM_RDDR5] = "Registered-DDR5",
+ [MEM_LRDDR5] = "Load-Reduced-DDR5-RAM",
[MEM_NVDIMM] = "Non-volatile-RAM",
[MEM_WIO2] = "Wide-IO-2",
[MEM_HBM2] = "High-bandwidth-memory-Gen2",
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 1522d4aa2ca6..9678ab97c7ac 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -3439,7 +3439,7 @@ MODULE_DEVICE_TABLE(x86cpu, sbridge_cpuids);
static int sbridge_probe(const struct x86_cpu_id *id)
{
- int rc = -ENODEV;
+ int rc;
u8 mc, num_mc = 0;
struct sbridge_dev *sbridge_dev;
struct pci_id_table *ptable = (struct pci_id_table *)id->driver_data;
diff --git a/drivers/edac/sifive_edac.c b/drivers/edac/sifive_edac.c
index 3a3dcb14ed99..ee800aec7d47 100644
--- a/drivers/edac/sifive_edac.c
+++ b/drivers/edac/sifive_edac.c
@@ -19,7 +19,7 @@ struct sifive_edac_priv {
struct edac_device_ctl_info *dci;
};
-/**
+/*
* EDAC error callback
*
* @event: non-zero if unrecoverable.
diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c
index 7d08627e738b..f05ff02c0656 100644
--- a/drivers/edac/synopsys_edac.c
+++ b/drivers/edac/synopsys_edac.c
@@ -101,6 +101,7 @@
/* DDR ECC Quirks */
#define DDR_ECC_INTR_SUPPORT BIT(0)
#define DDR_ECC_DATA_POISON_SUPPORT BIT(1)
+#define DDR_ECC_INTR_SELF_CLEAR BIT(2)
/* ZynqMP Enhanced DDR memory controller registers that are relevant to ECC */
/* ECC Configuration Registers */
@@ -171,6 +172,10 @@
#define DDR_QOS_IRQ_EN_OFST 0x20208
#define DDR_QOS_IRQ_DB_OFST 0x2020C
+/* DDR QOS Interrupt register definitions */
+#define DDR_UE_MASK BIT(9)
+#define DDR_CE_MASK BIT(8)
+
/* ECC Corrected Error Register Mask and Shifts*/
#define ECC_CEADDR0_RW_MASK 0x3FFFF
#define ECC_CEADDR0_RNK_MASK BIT(24)
@@ -533,10 +538,16 @@ static irqreturn_t intr_handler(int irq, void *dev_id)
priv = mci->pvt_info;
p_data = priv->p_data;
- regval = readl(priv->baseaddr + DDR_QOS_IRQ_STAT_OFST);
- regval &= (DDR_QOSCE_MASK | DDR_QOSUE_MASK);
- if (!(regval & ECC_CE_UE_INTR_MASK))
- return IRQ_NONE;
+ /*
+ * v3.0 of the controller has the ce/ue bits cleared automatically,
+ * so this condition does not apply.
+ */
+ if (!(priv->p_data->quirks & DDR_ECC_INTR_SELF_CLEAR)) {
+ regval = readl(priv->baseaddr + DDR_QOS_IRQ_STAT_OFST);
+ regval &= (DDR_QOSCE_MASK | DDR_QOSUE_MASK);
+ if (!(regval & ECC_CE_UE_INTR_MASK))
+ return IRQ_NONE;
+ }
status = p_data->get_error_info(priv);
if (status)
@@ -548,7 +559,9 @@ static irqreturn_t intr_handler(int irq, void *dev_id)
edac_dbg(3, "Total error count CE %d UE %d\n",
priv->ce_cnt, priv->ue_cnt);
- writel(regval, priv->baseaddr + DDR_QOS_IRQ_STAT_OFST);
+ /* v3.0 of the controller does not have this register */
+ if (!(priv->p_data->quirks & DDR_ECC_INTR_SELF_CLEAR))
+ writel(regval, priv->baseaddr + DDR_QOS_IRQ_STAT_OFST);
return IRQ_HANDLED;
}
@@ -834,8 +847,13 @@ static void mc_init(struct mem_ctl_info *mci, struct platform_device *pdev)
static void enable_intr(struct synps_edac_priv *priv)
{
/* Enable UE/CE Interrupts */
- writel(DDR_QOSUE_MASK | DDR_QOSCE_MASK,
- priv->baseaddr + DDR_QOS_IRQ_EN_OFST);
+ if (priv->p_data->quirks & DDR_ECC_INTR_SELF_CLEAR)
+ writel(DDR_UE_MASK | DDR_CE_MASK,
+ priv->baseaddr + ECC_CLR_OFST);
+ else
+ writel(DDR_QOSUE_MASK | DDR_QOSCE_MASK,
+ priv->baseaddr + DDR_QOS_IRQ_EN_OFST);
+
}
static void disable_intr(struct synps_edac_priv *priv)
@@ -890,6 +908,19 @@ static const struct synps_platform_data zynqmp_edac_def = {
),
};
+static const struct synps_platform_data synopsys_edac_def = {
+ .get_error_info = zynqmp_get_error_info,
+ .get_mtype = zynqmp_get_mtype,
+ .get_dtype = zynqmp_get_dtype,
+ .get_ecc_state = zynqmp_get_ecc_state,
+ .quirks = (DDR_ECC_INTR_SUPPORT | DDR_ECC_INTR_SELF_CLEAR
+#ifdef CONFIG_EDAC_DEBUG
+ | DDR_ECC_DATA_POISON_SUPPORT
+#endif
+ ),
+};
+
+
static const struct of_device_id synps_edac_match[] = {
{
.compatible = "xlnx,zynq-ddrc-a05",
@@ -900,6 +931,10 @@ static const struct of_device_id synps_edac_match[] = {
.data = (void *)&zynqmp_edac_def
},
{
+ .compatible = "snps,ddrc-3.80a",
+ .data = (void *)&synopsys_edac_def
+ },
+ {
/* end of table */
}
};
@@ -1352,8 +1387,7 @@ static int mc_probe(struct platform_device *pdev)
}
}
- if (of_device_is_compatible(pdev->dev.of_node,
- "xlnx,zynqmp-ddrc-2.40a"))
+ if (priv->p_data->quirks & DDR_ECC_INTR_SUPPORT)
setup_address_map(priv);
#endif