soc: qcom: llcc: Pass LLCC version based register offsets to EDAC driver

The LLCC EDAC register offsets varies between each SoCs. Until now, the
EDAC driver used the hardcoded register offsets. But this caused crash
on SM8450 SoC where the register offsets has been changed.

So to avoid this crash and also to make it easy to accommodate changes for
new SoCs, let's pass the LLCC version specific register offsets to the
EDAC driver.

Currently, two set of offsets are used. One is starting from LLCC version
v1.0.0 used by all SoCs other than SM8450. For SM8450, LLCC version
starting from v2.1.0 is used.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Sai Prakash Ranjan <quic_saipraka@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220825043859.30066-3-manivannan.sadhasivam@linaro.org

1 files changed, 66 insertions, 0 deletions

diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c
index 0dc2bb0c23cc..8b7e8118f3ce 100644
--- a/drivers/soc/qcom/llcc-qcom.c
+++ b/drivers/soc/qcom/llcc-qcom.c
@@ -104,6 +104,7 @@ struct qcom_llcc_config {
 	int size;
 	bool need_llcc_cfg;
 	const u32 *reg_offset;
+	const struct llcc_edac_reg_offset *edac_reg_offset;
 };
 
 enum llcc_reg_offset {
@@ -296,6 +297,60 @@ static const struct llcc_slice_config sm8450_data[] =  {
 	{LLCC_AENPU,     8, 2048, 1, 1, 0xFFFF, 0x0,   0, 0, 0, 0, 0, 0, 0 },
 };
 
+static const struct llcc_edac_reg_offset llcc_v1_edac_reg_offset = {
+	.trp_ecc_error_status0 = 0x20344,
+	.trp_ecc_error_status1 = 0x20348,
+	.trp_ecc_sb_err_syn0 = 0x2304c,
+	.trp_ecc_db_err_syn0 = 0x20370,
+	.trp_ecc_error_cntr_clear = 0x20440,
+	.trp_interrupt_0_status = 0x20480,
+	.trp_interrupt_0_clear = 0x20484,
+	.trp_interrupt_0_enable = 0x20488,
+
+	/* LLCC Common registers */
+	.cmn_status0 = 0x3000c,
+	.cmn_interrupt_0_enable = 0x3001c,
+	.cmn_interrupt_2_enable = 0x3003c,
+
+	/* LLCC DRP registers */
+	.drp_ecc_error_cfg = 0x40000,
+	.drp_ecc_error_cntr_clear = 0x40004,
+	.drp_interrupt_status = 0x41000,
+	.drp_interrupt_clear = 0x41008,
+	.drp_interrupt_enable = 0x4100c,
+	.drp_ecc_error_status0 = 0x42044,
+	.drp_ecc_error_status1 = 0x42048,
+	.drp_ecc_sb_err_syn0 = 0x4204c,
+	.drp_ecc_db_err_syn0 = 0x42070,
+};
+
+static const struct llcc_edac_reg_offset llcc_v2_1_edac_reg_offset = {
+	.trp_ecc_error_status0 = 0x20344,
+	.trp_ecc_error_status1 = 0x20348,
+	.trp_ecc_sb_err_syn0 = 0x2034c,
+	.trp_ecc_db_err_syn0 = 0x20370,
+	.trp_ecc_error_cntr_clear = 0x20440,
+	.trp_interrupt_0_status = 0x20480,
+	.trp_interrupt_0_clear = 0x20484,
+	.trp_interrupt_0_enable = 0x20488,
+
+	/* LLCC Common registers */
+	.cmn_status0 = 0x3400c,
+	.cmn_interrupt_0_enable = 0x3401c,
+	.cmn_interrupt_2_enable = 0x3403c,
+
+	/* LLCC DRP registers */
+	.drp_ecc_error_cfg = 0x50000,
+	.drp_ecc_error_cntr_clear = 0x50004,
+	.drp_interrupt_status = 0x50020,
+	.drp_interrupt_clear = 0x50028,
+	.drp_interrupt_enable = 0x5002c,
+	.drp_ecc_error_status0 = 0x520f4,
+	.drp_ecc_error_status1 = 0x520f8,
+	.drp_ecc_sb_err_syn0 = 0x520fc,
+	.drp_ecc_db_err_syn0 = 0x52120,
+};
+
 /* LLCC register offset starting from v1.0.0 */
 static const u32 llcc_v1_reg_offset[] = {
 	[LLCC_COMMON_HW_INFO]	= 0x00030000,
@@ -313,6 +368,7 @@ static const struct qcom_llcc_config sc7180_cfg = {
 	.size		= ARRAY_SIZE(sc7180_data),
 	.need_llcc_cfg	= true,
 	.reg_offset	= llcc_v1_reg_offset,
+	.edac_reg_offset = &llcc_v1_edac_reg_offset,
 };
 
 static const struct qcom_llcc_config sc7280_cfg = {
@@ -320,6 +376,7 @@ static const struct qcom_llcc_config sc7280_cfg = {
 	.size		= ARRAY_SIZE(sc7280_data),
 	.need_llcc_cfg	= true,
 	.reg_offset	= llcc_v1_reg_offset,
+	.edac_reg_offset = &llcc_v1_edac_reg_offset,
 };
 
 static const struct qcom_llcc_config sc8180x_cfg = {
@@ -327,6 +384,7 @@ static const struct qcom_llcc_config sc8180x_cfg = {
 	.size		= ARRAY_SIZE(sc8180x_data),
 	.need_llcc_cfg	= true,
 	.reg_offset	= llcc_v1_reg_offset,
+	.edac_reg_offset = &llcc_v1_edac_reg_offset,
 };
 
 static const struct qcom_llcc_config sc8280xp_cfg = {
@@ -334,6 +392,7 @@ static const struct qcom_llcc_config sc8280xp_cfg = {
 	.size		= ARRAY_SIZE(sc8280xp_data),
 	.need_llcc_cfg	= true,
 	.reg_offset	= llcc_v1_reg_offset,
+	.edac_reg_offset = &llcc_v1_edac_reg_offset,
 };
 
 static const struct qcom_llcc_config sdm845_cfg = {
@@ -341,6 +400,7 @@ static const struct qcom_llcc_config sdm845_cfg = {
 	.size		= ARRAY_SIZE(sdm845_data),
 	.need_llcc_cfg	= false,
 	.reg_offset	= llcc_v1_reg_offset,
+	.edac_reg_offset = &llcc_v1_edac_reg_offset,
 };
 
 static const struct qcom_llcc_config sm6350_cfg = {
@@ -348,6 +408,7 @@ static const struct qcom_llcc_config sm6350_cfg = {
 	.size		= ARRAY_SIZE(sm6350_data),
 	.need_llcc_cfg	= true,
 	.reg_offset	= llcc_v1_reg_offset,
+	.edac_reg_offset = &llcc_v1_edac_reg_offset,
 };
 
 static const struct qcom_llcc_config sm8150_cfg = {
@@ -355,6 +416,7 @@ static const struct qcom_llcc_config sm8150_cfg = {
 	.size           = ARRAY_SIZE(sm8150_data),
 	.need_llcc_cfg	= true,
 	.reg_offset	= llcc_v1_reg_offset,
+	.edac_reg_offset = &llcc_v1_edac_reg_offset,
 };
 
 static const struct qcom_llcc_config sm8250_cfg = {
@@ -362,6 +424,7 @@ static const struct qcom_llcc_config sm8250_cfg = {
 	.size           = ARRAY_SIZE(sm8250_data),
 	.need_llcc_cfg	= true,
 	.reg_offset	= llcc_v1_reg_offset,
+	.edac_reg_offset = &llcc_v1_edac_reg_offset,
 };
 
 static const struct qcom_llcc_config sm8350_cfg = {
@@ -369,6 +432,7 @@ static const struct qcom_llcc_config sm8350_cfg = {
 	.size           = ARRAY_SIZE(sm8350_data),
 	.need_llcc_cfg	= true,
 	.reg_offset	= llcc_v1_reg_offset,
+	.edac_reg_offset = &llcc_v1_edac_reg_offset,
 };
 
 static const struct qcom_llcc_config sm8450_cfg = {
@@ -376,6 +440,7 @@ static const struct qcom_llcc_config sm8450_cfg = {
 	.size           = ARRAY_SIZE(sm8450_data),
 	.need_llcc_cfg	= true,
 	.reg_offset	= llcc_v2_1_reg_offset,
+	.edac_reg_offset = &llcc_v2_1_edac_reg_offset,
 };
 
 static struct llcc_drv_data *drv_data = (void *) -EPROBE_DEFER;
@@ -776,6 +841,7 @@ static int qcom_llcc_probe(struct platform_device *pdev)
 
 	drv_data->cfg = llcc_cfg;
 	drv_data->cfg_size = sz;
+	drv_data->edac_reg_offset = cfg->edac_reg_offset;
 	mutex_init(&drv_data->lock);
 	platform_set_drvdata(pdev, drv_data);