diff options
| -rw-r--r-- | Documentation/devicetree/bindings/edac/apm-xgene-edac.txt | 3 | ||||
| -rw-r--r-- | drivers/edac/xgene_edac.c | 55 |
2 files changed, 10 insertions, 48 deletions
diff --git a/Documentation/devicetree/bindings/edac/apm-xgene-edac.txt b/Documentation/devicetree/bindings/edac/apm-xgene-edac.txt index 480911c38ff9..78edb80002c8 100644 --- a/Documentation/devicetree/bindings/edac/apm-xgene-edac.txt +++ b/Documentation/devicetree/bindings/edac/apm-xgene-edac.txt @@ -25,7 +25,8 @@ Required properties for memory controller subnode: - memory-controller : Instance number of the memory controller. Required properties for PMD subnode: -- compatible : Shall be "apm,xgene-edac-pmd". +- compatible : Shall be "apm,xgene-edac-pmd" or + "apm,xgene-edac-pmd-v2". - reg : First resource shall be the PMD resource. - pmd-controller : Instance number of the PMD controller. diff --git a/drivers/edac/xgene_edac.c b/drivers/edac/xgene_edac.c index b5158572f6ab..14636e4b6a08 100644 --- a/drivers/edac/xgene_edac.c +++ b/drivers/edac/xgene_edac.c @@ -523,6 +523,7 @@ struct xgene_edac_pmd_ctx { struct edac_device_ctl_info *edac_dev; void __iomem *pmd_csr; u32 pmd; + int version; }; static void xgene_edac_pmd_l1_check(struct edac_device_ctl_info *edac_dev, @@ -784,50 +785,6 @@ static void xgene_edac_pmd_cpu_hw_cfg(struct edac_device_ctl_info *edac_dev, writel(0x00000101, pg_f + MEMERR_CPU_MMUECR_PAGE_OFFSET); } -static bool xgene_edac_pmd_l2c_version1(void) -{ - /* Check all chips with PMD L2C version 1 HW */ - #define REVIDR_MINOR_REV(revidr) ((revidr) & 0x00000007) - - switch (MIDR_VARIANT(read_cpuid_id())) { - case 0: - switch (MIDR_REVISION(read_cpuid_id())) { - case 0: - - switch (REVIDR_MINOR_REV(read_cpuid(REVIDR_EL1))) { - case 1: - case 2: - return true; - }; - break; - case 1: - if (REVIDR_MINOR_REV(read_cpuid(REVIDR_EL1)) == 1) - return true; - break; - } - break; - case 1: - switch (MIDR_REVISION(read_cpuid_id())) { - case 0: - switch (REVIDR_MINOR_REV(read_cpuid(REVIDR_EL1))) { - case 1: - return true; - }; - break; - case 1: - switch (REVIDR_MINOR_REV(read_cpuid(REVIDR_EL1))) { - case 1: - case 0: - return true; - }; - break; - } - break; - } - - return false; -} - static void xgene_edac_pmd_hw_cfg(struct edac_device_ctl_info *edac_dev) { struct xgene_edac_pmd_ctx *ctx = edac_dev->pvt_info; @@ -837,7 +794,7 @@ static void xgene_edac_pmd_hw_cfg(struct edac_device_ctl_info *edac_dev) /* Enable PMD memory error - MEMERR_L2C_L2ECR and L2C_L2RTOCR */ writel(0x00000703, pg_e + MEMERR_L2C_L2ECR_PAGE_OFFSET); /* Configure L2C HW request time out feature if supported */ - if (!xgene_edac_pmd_l2c_version1()) + if (ctx->version > 1) writel(0x00000119, pg_d + CPUX_L2C_L2RTOCR_PAGE_OFFSET); } @@ -956,7 +913,8 @@ static int xgene_edac_pmd_available(u32 efuse, int pmd) return (efuse & (1 << pmd)) ? 0 : 1; } -static int xgene_edac_pmd_add(struct xgene_edac *edac, struct device_node *np) +static int xgene_edac_pmd_add(struct xgene_edac *edac, struct device_node *np, + int version) { struct edac_device_ctl_info *edac_dev; struct xgene_edac_pmd_ctx *ctx; @@ -998,6 +956,7 @@ static int xgene_edac_pmd_add(struct xgene_edac *edac, struct device_node *np) ctx->edac = edac; ctx->edac_dev = edac_dev; ctx->ddev = *edac->dev; + ctx->version = version; edac_dev->dev = &ctx->ddev; edac_dev->ctl_name = ctx->name; edac_dev->dev_name = ctx->name; @@ -1169,7 +1128,9 @@ static int xgene_edac_probe(struct platform_device *pdev) if (of_device_is_compatible(child, "apm,xgene-edac-mc")) xgene_edac_mc_add(edac, child); if (of_device_is_compatible(child, "apm,xgene-edac-pmd")) - xgene_edac_pmd_add(edac, child); + xgene_edac_pmd_add(edac, child, 1); + if (of_device_is_compatible(child, "apm,xgene-edac-pmd-v2")) + xgene_edac_pmd_add(edac, child, 2); } return 0; |