diff options
Diffstat (limited to 'drivers/soc/qcom/llcc-slice.c')
| -rw-r--r-- | drivers/soc/qcom/llcc-slice.c | 74 |
1 files changed, 50 insertions, 24 deletions
diff --git a/drivers/soc/qcom/llcc-slice.c b/drivers/soc/qcom/llcc-slice.c index 54063a31132f..192ca761b2cb 100644 --- a/drivers/soc/qcom/llcc-slice.c +++ b/drivers/soc/qcom/llcc-slice.c @@ -13,6 +13,7 @@ #include <linux/mutex.h> #include <linux/of_device.h> #include <linux/regmap.h> +#include <linux/sizes.h> #include <linux/slab.h> #include <linux/soc/qcom/llcc-qcom.h> @@ -106,22 +107,24 @@ static int llcc_update_act_ctrl(u32 sid, u32 slice_status; int ret; - act_ctrl_reg = drv_data->bcast_off + LLCC_TRP_ACT_CTRLn(sid); - status_reg = drv_data->bcast_off + LLCC_TRP_STATUSn(sid); + act_ctrl_reg = LLCC_TRP_ACT_CTRLn(sid); + status_reg = LLCC_TRP_STATUSn(sid); /* Set the ACTIVE trigger */ act_ctrl_reg_val |= ACT_CTRL_ACT_TRIG; - ret = regmap_write(drv_data->regmap, act_ctrl_reg, act_ctrl_reg_val); + ret = regmap_write(drv_data->bcast_regmap, act_ctrl_reg, + act_ctrl_reg_val); if (ret) return ret; /* Clear the ACTIVE trigger */ act_ctrl_reg_val &= ~ACT_CTRL_ACT_TRIG; - ret = regmap_write(drv_data->regmap, act_ctrl_reg, act_ctrl_reg_val); + ret = regmap_write(drv_data->bcast_regmap, act_ctrl_reg, + act_ctrl_reg_val); if (ret) return ret; - ret = regmap_read_poll_timeout(drv_data->regmap, status_reg, + ret = regmap_read_poll_timeout(drv_data->bcast_regmap, status_reg, slice_status, !(slice_status & status), 0, LLCC_STATUS_READ_DELAY); return ret; @@ -223,19 +226,16 @@ static int qcom_llcc_cfg_program(struct platform_device *pdev) u32 attr0_val; u32 max_cap_cacheline; u32 sz; - int ret; + int ret = 0; const struct llcc_slice_config *llcc_table; struct llcc_slice_desc desc; - u32 bcast_off = drv_data->bcast_off; sz = drv_data->cfg_size; llcc_table = drv_data->cfg; for (i = 0; i < sz; i++) { - attr1_cfg = bcast_off + - LLCC_TRP_ATTR1_CFGn(llcc_table[i].slice_id); - attr0_cfg = bcast_off + - LLCC_TRP_ATTR0_CFGn(llcc_table[i].slice_id); + attr1_cfg = LLCC_TRP_ATTR1_CFGn(llcc_table[i].slice_id); + attr0_cfg = LLCC_TRP_ATTR0_CFGn(llcc_table[i].slice_id); attr1_val = llcc_table[i].cache_mode; attr1_val |= llcc_table[i].probe_target_ways << @@ -260,10 +260,12 @@ static int qcom_llcc_cfg_program(struct platform_device *pdev) attr0_val = llcc_table[i].res_ways & ATTR0_RES_WAYS_MASK; attr0_val |= llcc_table[i].bonus_ways << ATTR0_BONUS_WAYS_SHIFT; - ret = regmap_write(drv_data->regmap, attr1_cfg, attr1_val); + ret = regmap_write(drv_data->bcast_regmap, attr1_cfg, + attr1_val); if (ret) return ret; - ret = regmap_write(drv_data->regmap, attr0_cfg, attr0_val); + ret = regmap_write(drv_data->bcast_regmap, attr0_cfg, + attr0_val); if (ret) return ret; if (llcc_table[i].activate_on_init) { @@ -279,24 +281,37 @@ int qcom_llcc_probe(struct platform_device *pdev, { u32 num_banks; struct device *dev = &pdev->dev; - struct resource *res; - void __iomem *base; + struct resource *llcc_banks_res, *llcc_bcast_res; + void __iomem *llcc_banks_base, *llcc_bcast_base; int ret, i; + struct platform_device *llcc_edac; drv_data = devm_kzalloc(dev, sizeof(*drv_data), GFP_KERNEL); if (!drv_data) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(base)) - return PTR_ERR(base); + llcc_banks_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, + "llcc_base"); + llcc_banks_base = devm_ioremap_resource(&pdev->dev, llcc_banks_res); + if (IS_ERR(llcc_banks_base)) + return PTR_ERR(llcc_banks_base); - drv_data->regmap = devm_regmap_init_mmio(dev, base, - &llcc_regmap_config); + drv_data->regmap = devm_regmap_init_mmio(dev, llcc_banks_base, + &llcc_regmap_config); if (IS_ERR(drv_data->regmap)) return PTR_ERR(drv_data->regmap); + llcc_bcast_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, + "llcc_broadcast_base"); + llcc_bcast_base = devm_ioremap_resource(&pdev->dev, llcc_bcast_res); + if (IS_ERR(llcc_bcast_base)) + return PTR_ERR(llcc_bcast_base); + + drv_data->bcast_regmap = devm_regmap_init_mmio(dev, llcc_bcast_base, + &llcc_regmap_config); + if (IS_ERR(drv_data->bcast_regmap)) + return PTR_ERR(drv_data->bcast_regmap); + ret = regmap_read(drv_data->regmap, LLCC_COMMON_STATUS0, &num_banks); if (ret) @@ -318,8 +333,6 @@ int qcom_llcc_probe(struct platform_device *pdev, for (i = 0; i < num_banks; i++) drv_data->offsets[i] = i * BANK_OFFSET_STRIDE; - drv_data->bcast_off = num_banks * BANK_OFFSET_STRIDE; - drv_data->bitmap = devm_kcalloc(dev, BITS_TO_LONGS(drv_data->max_slices), sizeof(unsigned long), GFP_KERNEL); @@ -331,7 +344,20 @@ int qcom_llcc_probe(struct platform_device *pdev, mutex_init(&drv_data->lock); platform_set_drvdata(pdev, drv_data); - return qcom_llcc_cfg_program(pdev); + ret = qcom_llcc_cfg_program(pdev); + if (ret) + return ret; + + drv_data->ecc_irq = platform_get_irq(pdev, 0); + if (drv_data->ecc_irq >= 0) { + llcc_edac = platform_device_register_data(&pdev->dev, + "qcom_llcc_edac", -1, drv_data, + sizeof(*drv_data)); + if (IS_ERR(llcc_edac)) + dev_err(dev, "Failed to register llcc edac driver\n"); + } + + return ret; } EXPORT_SYMBOL_GPL(qcom_llcc_probe); |