Messages in this thread Patch in this message | | | From | Sherry Sun <> | Subject | [PATCH 3/3] EDAC: synopsys: Add useful output information for 64 bit systems | Date | Mon, 24 Feb 2020 17:42:37 +0800 |
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Now the synopsys_edac driver only support to output the 32-bit error data, but for 64 bit systems, such as i.MX8MP, 64 bit error data is needed. At the same time, when CE/UE happens, syndrome data is also useful to showed to user. So here add data_high and syndrome data for 64-bit systems.
And in order to distinguish 64-bit systems and other systems, here adjust the position of the zynqmp_get_dtype(), so we can called this function to distinguish it. To ensure that functions of the same function are in the same position, here adjust the position of the zynq_get_dtype() too.
Signed-off-by: Sherry Sun <sherry.sun@nxp.com> --- drivers/edac/synopsys_edac.c | 182 ++++++++++++++++++++--------------- 1 file changed, 102 insertions(+), 80 deletions(-)
diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c index ef7e907c7956..ae541efefeb8 100644 --- a/drivers/edac/synopsys_edac.c +++ b/drivers/edac/synopsys_edac.c @@ -278,18 +278,22 @@ * @col: Column number. * @bank: Bank number. * @bitpos: Bit position. - * @data: Data causing the error. + * @data_low: Low bit data causing the error. + * @data_high: High bit data causing the error(used for 64 bit systems). * @bankgrpnr: Bank group number. * @blknr: Block number. + * @syndrome: Syndrome of the error. */ struct ecc_error_info { u32 row; u32 col; u32 bank; u32 bitpos; - u32 data; + u32 data_low; + u32 data_high; u32 bankgrpnr; u32 blknr; + u32 syndrome; }; /** @@ -354,6 +358,70 @@ struct synps_platform_data { int quirks; }; +/** + * zynq_get_dtype - Return the controller memory width. + * @base: DDR memory controller base address. + * + * Get the EDAC device type width appropriate for the current controller + * configuration. + * + * Return: a device type width enumeration. + */ +static enum dev_type zynq_get_dtype(const void __iomem *base) +{ + enum dev_type dt; + u32 width; + + width = readl(base + CTRL_OFST); + width = (width & CTRL_BW_MASK) >> CTRL_BW_SHIFT; + + switch (width) { + case DDRCTL_WDTH_16: + dt = DEV_X2; + break; + case DDRCTL_WDTH_32: + dt = DEV_X4; + break; + default: + dt = DEV_UNKNOWN; + } + + return dt; +} + +/** + * zynqmp_get_dtype - Return the controller memory width. + * @base: DDR memory controller base address. + * + * Get the EDAC device type width appropriate for the current controller + * configuration. + * + * Return: a device type width enumeration. + */ +static enum dev_type zynqmp_get_dtype(const void __iomem *base) +{ + enum dev_type dt; + u32 width; + + width = readl(base + CTRL_OFST); + width = (width & ECC_CTRL_BUSWIDTH_MASK) >> ECC_CTRL_BUSWIDTH_SHIFT; + switch (width) { + case DDRCTL_EWDTH_16: + dt = DEV_X2; + break; + case DDRCTL_EWDTH_32: + dt = DEV_X4; + break; + case DDRCTL_EWDTH_64: + dt = DEV_X8; + break; + default: + dt = DEV_UNKNOWN; + } + + return dt; +} + /** * zynq_get_error_info - Get the current ECC error info. * @priv: DDR memory controller private instance data. @@ -385,9 +453,9 @@ static int zynq_get_error_info(struct synps_edac_priv *priv) p->ceinfo.row = (regval & ADDR_ROW_MASK) >> ADDR_ROW_SHIFT; p->ceinfo.col = regval & ADDR_COL_MASK; p->ceinfo.bank = (regval & ADDR_BANK_MASK) >> ADDR_BANK_SHIFT; - p->ceinfo.data = readl(base + CE_DATA_31_0_OFST); + p->ceinfo.data_low = readl(base + CE_DATA_31_0_OFST); edac_dbg(3, "CE bit position: %d data: %d\n", p->ceinfo.bitpos, - p->ceinfo.data); + p->ceinfo.data_low); clearval = ECC_CTRL_CLR_CE_ERR; ue_err: @@ -399,7 +467,7 @@ static int zynq_get_error_info(struct synps_edac_priv *priv) p->ueinfo.row = (regval & ADDR_ROW_MASK) >> ADDR_ROW_SHIFT; p->ueinfo.col = regval & ADDR_COL_MASK; p->ueinfo.bank = (regval & ADDR_BANK_MASK) >> ADDR_BANK_SHIFT; - p->ueinfo.data = readl(base + UE_DATA_31_0_OFST); + p->ueinfo.data_low = readl(base + UE_DATA_31_0_OFST); clearval |= ECC_CTRL_CLR_UE_ERR; out: @@ -443,10 +511,14 @@ static int zynqmp_get_error_info(struct synps_edac_priv *priv) p->ceinfo.bankgrpnr = (regval & ECC_CEADDR1_BNKGRP_MASK) >> ECC_CEADDR1_BNKGRP_SHIFT; p->ceinfo.blknr = (regval & ECC_CEADDR1_BLKNR_MASK); - p->ceinfo.data = readl(base + ECC_CSYND0_OFST); - edac_dbg(2, "ECCCSYN0: 0x%08X ECCCSYN1: 0x%08X ECCCSYN2: 0x%08X\n", - readl(base + ECC_CSYND0_OFST), readl(base + ECC_CSYND1_OFST), - readl(base + ECC_CSYND2_OFST)); + p->ceinfo.data_low = readl(base + ECC_CSYND0_OFST); + if (zynqmp_get_dtype(base) == DEV_X8) { + p->ceinfo.data_high = readl(base + ECC_CSYND1_OFST); + p->ceinfo.syndrome = readl(base + ECC_CSYND2_OFST); + edac_dbg(2, "CE data_low: 0x%08X data_high: 0x%08X syndrome: 0x%08X\n", + p->ceinfo.data_low, p->ceinfo.data_high, + p->ceinfo.syndrome); + } ue_err: if (!p->ue_cnt) goto out; @@ -459,7 +531,14 @@ static int zynqmp_get_error_info(struct synps_edac_priv *priv) p->ueinfo.bank = (regval & ECC_CEADDR1_BNKNR_MASK) >> ECC_CEADDR1_BNKNR_SHIFT; p->ueinfo.blknr = (regval & ECC_CEADDR1_BLKNR_MASK); - p->ueinfo.data = readl(base + ECC_UESYND0_OFST); + p->ueinfo.data_low = readl(base + ECC_UESYND0_OFST); + if (zynqmp_get_dtype(base) == DEV_X8) { + p->ueinfo.data_high = readl(base + ECC_UESYND1_OFST); + p->ueinfo.syndrome = readl(base + ECC_UESYND2_OFST); + edac_dbg(2, "UE data_low: 0x%08X data_high: 0x%08X syndrome: 0x%08X\n", + p->ueinfo.data_low, p->ueinfo.data_high, + p->ueinfo.syndrome); + } out: clearval = ECC_CTRL_CLR_CE_ERR | ECC_CTRL_CLR_CE_ERRCNT; clearval |= ECC_CTRL_CLR_UE_ERR | ECC_CTRL_CLR_UE_ERRCNT; @@ -480,6 +559,7 @@ static void handle_error(struct mem_ctl_info *mci, struct synps_ecc_status *p) { struct synps_edac_priv *priv = mci->pvt_info; struct ecc_error_info *pinf; + int n; if (p->ce_cnt) { pinf = &p->ceinfo; @@ -487,13 +567,19 @@ static void handle_error(struct mem_ctl_info *mci, struct synps_ecc_status *p) snprintf(priv->message, SYNPS_EDAC_MSG_SIZE, "DDR ECC error type:%s Row %d Bank %d Col %d Bit Position: %d Data: 0x%08x", "CE", pinf->row, pinf->bank, pinf->col, - pinf->bitpos, pinf->data); + pinf->bitpos, pinf->data_low); } else { - snprintf(priv->message, SYNPS_EDAC_MSG_SIZE, - "DDR ECC error type:%s Row %d Bank %d BankGroup Number %d Block Number %d Bit Position: %d Data: 0x%08x", - "CE", pinf->row, pinf->bank, - pinf->bankgrpnr, pinf->blknr, - pinf->bitpos, pinf->data); + n = snprintf(priv->message, SYNPS_EDAC_MSG_SIZE, + "DDR ECC error type:%s Row %d Bank %d BankGroup Number %d Block Number %d Bit Position: %d Data: 0x%08x", + "CE", pinf->row, pinf->bank, + pinf->bankgrpnr, pinf->blknr, + pinf->bitpos, pinf->data_low); + + if (zynqmp_get_dtype(priv->baseaddr) == DEV_X8) + snprintf(priv->message + n, + SYNPS_EDAC_MSG_SIZE - n, + " Data_high: 0x%08x Syndrome: 0x%08x", + pinf->data_high, pinf->syndrome); } edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, @@ -636,70 +722,6 @@ static void check_errors(struct mem_ctl_info *mci) priv->ce_cnt, priv->ue_cnt); } -/** - * zynq_get_dtype - Return the controller memory width. - * @base: DDR memory controller base address. - * - * Get the EDAC device type width appropriate for the current controller - * configuration. - * - * Return: a device type width enumeration. - */ -static enum dev_type zynq_get_dtype(const void __iomem *base) -{ - enum dev_type dt; - u32 width; - - width = readl(base + CTRL_OFST); - width = (width & CTRL_BW_MASK) >> CTRL_BW_SHIFT; - - switch (width) { - case DDRCTL_WDTH_16: - dt = DEV_X2; - break; - case DDRCTL_WDTH_32: - dt = DEV_X4; - break; - default: - dt = DEV_UNKNOWN; - } - - return dt; -} - -/** - * zynqmp_get_dtype - Return the controller memory width. - * @base: DDR memory controller base address. - * - * Get the EDAC device type width appropriate for the current controller - * configuration. - * - * Return: a device type width enumeration. - */ -static enum dev_type zynqmp_get_dtype(const void __iomem *base) -{ - enum dev_type dt; - u32 width; - - width = readl(base + CTRL_OFST); - width = (width & ECC_CTRL_BUSWIDTH_MASK) >> ECC_CTRL_BUSWIDTH_SHIFT; - switch (width) { - case DDRCTL_EWDTH_16: - dt = DEV_X2; - break; - case DDRCTL_EWDTH_32: - dt = DEV_X4; - break; - case DDRCTL_EWDTH_64: - dt = DEV_X8; - break; - default: - dt = DEV_UNKNOWN; - } - - return dt; -} - /** * zynq_get_ecc_state - Return the controller ECC enable/disable status. * @base: DDR memory controller base address. -- 2.17.1
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