.ue_set_mask = A10_DIAGINT_TDERRA_MASK,
};
-static const struct altr_sdram_prv_data s10_data = {
- .ecc_ctrl_offset = S10_ECCCTRL1_OFST,
- .ecc_ctl_en_mask = A10_ECCCTRL1_ECC_EN,
- .ecc_stat_offset = S10_INTSTAT_OFST,
- .ecc_stat_ce_mask = A10_INTSTAT_SBEERR,
- .ecc_stat_ue_mask = A10_INTSTAT_DBEERR,
- .ecc_saddr_offset = S10_SERRADDR_OFST,
- .ecc_daddr_offset = S10_DERRADDR_OFST,
- .ecc_irq_en_offset = S10_ERRINTEN_OFST,
- .ecc_irq_en_mask = A10_ECC_IRQ_EN_MASK,
- .ecc_irq_clr_offset = S10_INTSTAT_OFST,
- .ecc_irq_clr_mask = (A10_INTSTAT_SBEERR | A10_INTSTAT_DBEERR),
- .ecc_cnt_rst_offset = S10_ECCCTRL1_OFST,
- .ecc_cnt_rst_mask = A10_ECC_CNT_RESET_MASK,
- .ce_ue_trgr_offset = S10_DIAGINTTEST_OFST,
- .ce_set_mask = A10_DIAGINT_TSERRA_MASK,
- .ue_set_mask = A10_DIAGINT_TDERRA_MASK,
-};
-
/*********************** EDAC Memory Controller Functions ****************/
/* The SDRAM controller uses the EDAC Memory Controller framework. */
static const struct of_device_id altr_sdram_ctrl_of_match[] = {
{ .compatible = "altr,sdram-edac", .data = &c5_data},
{ .compatible = "altr,sdram-edac-a10", .data = &a10_data},
- { .compatible = "altr,sdram-edac-s10", .data = &s10_data},
+ { .compatible = "altr,sdram-edac-s10", .data = &a10_data},
{},
};
MODULE_DEVICE_TABLE(of, altr_sdram_ctrl_of_match);
return ret;
}
+static int socfpga_is_a10(void);
static int altr_sdram_probe(struct platform_device *pdev)
{
const struct of_device_id *id;
goto err;
/* Only the Arria10 has separate IRQs */
- if (irq2 > 0) {
+ if (socfpga_is_a10()) {
/* Arria10 specific initialization */
res = a10_init(mc_vbase);
if (res < 0)
unsigned int val)
{
struct arm_smccc_res result;
+ unsigned long offset = (unsigned long)context;
- arm_smccc_smc(INTEL_SIP_SMC_REG_WRITE, reg, val, 0, 0,
+ arm_smccc_smc(INTEL_SIP_SMC_REG_WRITE, offset + reg, val, 0, 0,
0, 0, 0, &result);
return (int)result.a0;
unsigned int *val)
{
struct arm_smccc_res result;
+ unsigned long offset = (unsigned long)context;
- arm_smccc_smc(INTEL_SIP_SMC_REG_READ, reg, 0, 0, 0,
+ arm_smccc_smc(INTEL_SIP_SMC_REG_READ, offset + reg, 0, 0, 0,
0, 0, 0, &result);
*val = (unsigned int)result.a1;
return (int)result.a0;
}
-static bool s10_sdram_writeable_reg(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case S10_ECCCTRL1_OFST:
- case S10_ERRINTEN_OFST:
- case S10_INTMODE_OFST:
- case S10_INTSTAT_OFST:
- case S10_DIAGINTTEST_OFST:
- case S10_SYSMGR_ECC_INTMASK_VAL_OFST:
- case S10_SYSMGR_ECC_INTMASK_SET_OFST:
- case S10_SYSMGR_ECC_INTMASK_CLR_OFST:
- return true;
- }
- return false;
-}
-
-static bool s10_sdram_readable_reg(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case S10_ECCCTRL1_OFST:
- case S10_ERRINTEN_OFST:
- case S10_INTMODE_OFST:
- case S10_INTSTAT_OFST:
- case S10_DERRADDR_OFST:
- case S10_SERRADDR_OFST:
- case S10_DIAGINTTEST_OFST:
- case S10_SYSMGR_ECC_INTMASK_VAL_OFST:
- case S10_SYSMGR_ECC_INTMASK_SET_OFST:
- case S10_SYSMGR_ECC_INTMASK_CLR_OFST:
- case S10_SYSMGR_ECC_INTSTAT_SERR_OFST:
- case S10_SYSMGR_ECC_INTSTAT_DERR_OFST:
- return true;
- }
- return false;
-}
-
-static bool s10_sdram_volatile_reg(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case S10_ECCCTRL1_OFST:
- case S10_ERRINTEN_OFST:
- case S10_INTMODE_OFST:
- case S10_INTSTAT_OFST:
- case S10_DERRADDR_OFST:
- case S10_SERRADDR_OFST:
- case S10_DIAGINTTEST_OFST:
- case S10_SYSMGR_ECC_INTMASK_VAL_OFST:
- case S10_SYSMGR_ECC_INTMASK_SET_OFST:
- case S10_SYSMGR_ECC_INTMASK_CLR_OFST:
- case S10_SYSMGR_ECC_INTSTAT_SERR_OFST:
- case S10_SYSMGR_ECC_INTSTAT_DERR_OFST:
- return true;
- }
- return false;
-}
-
static const struct regmap_config s10_sdram_regmap_cfg = {
.name = "s10_ddr",
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
- .max_register = 0xffffffff,
- .writeable_reg = s10_sdram_writeable_reg,
- .readable_reg = s10_sdram_readable_reg,
- .volatile_reg = s10_sdram_volatile_reg,
+ .max_register = 0xffd12228,
.reg_read = s10_protected_reg_read,
.reg_write = s10_protected_reg_write,
.use_single_rw = true,
};
-static int altr_s10_sdram_probe(struct platform_device *pdev)
-{
- const struct of_device_id *id;
- struct edac_mc_layer layers[2];
- struct mem_ctl_info *mci;
- struct altr_sdram_mc_data *drvdata;
- const struct altr_sdram_prv_data *priv;
- struct regmap *regmap;
- struct dimm_info *dimm;
- u32 read_reg;
- int irq, ret = 0;
- unsigned long mem_size;
-
- id = of_match_device(altr_sdram_ctrl_of_match, &pdev->dev);
- if (!id)
- return -ENODEV;
-
- /* Grab specific offsets and masks for Stratix10 */
- priv = of_match_node(altr_sdram_ctrl_of_match,
- pdev->dev.of_node)->data;
-
- regmap = devm_regmap_init(&pdev->dev, NULL, (void *)priv,
- &s10_sdram_regmap_cfg);
- if (IS_ERR(regmap))
- return PTR_ERR(regmap);
-
- /* Validate the SDRAM controller has ECC enabled */
- if (regmap_read(regmap, priv->ecc_ctrl_offset, &read_reg) ||
- ((read_reg & priv->ecc_ctl_en_mask) != priv->ecc_ctl_en_mask)) {
- edac_printk(KERN_ERR, EDAC_MC,
- "No ECC/ECC disabled [0x%08X]\n", read_reg);
- return -ENODEV;
- }
-
- /* Grab memory size from device tree. */
- mem_size = get_total_mem();
- if (!mem_size) {
- edac_printk(KERN_ERR, EDAC_MC, "Unable to calculate memory size\n");
- return -ENODEV;
- }
-
- /* Ensure the SDRAM Interrupt is disabled */
- if (regmap_update_bits(regmap, priv->ecc_irq_en_offset,
- priv->ecc_irq_en_mask, 0)) {
- edac_printk(KERN_ERR, EDAC_MC,
- "Error disabling SDRAM ECC IRQ\n");
- return -ENODEV;
- }
-
- /* Toggle to clear the SDRAM Error count */
- if (regmap_update_bits(regmap, priv->ecc_cnt_rst_offset,
- priv->ecc_cnt_rst_mask,
- priv->ecc_cnt_rst_mask)) {
- edac_printk(KERN_ERR, EDAC_MC,
- "Error clearing SDRAM ECC count\n");
- return -ENODEV;
- }
-
- if (regmap_update_bits(regmap, priv->ecc_cnt_rst_offset,
- priv->ecc_cnt_rst_mask, 0)) {
- edac_printk(KERN_ERR, EDAC_MC,
- "Error clearing SDRAM ECC count\n");
- return -ENODEV;
- }
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- edac_printk(KERN_ERR, EDAC_MC,
- "No irq %d in DT\n", irq);
- return -ENODEV;
- }
-
- layers[0].type = EDAC_MC_LAYER_CHIP_SELECT;
- layers[0].size = 1;
- layers[0].is_virt_csrow = true;
- layers[1].type = EDAC_MC_LAYER_CHANNEL;
- layers[1].size = 1;
- layers[1].is_virt_csrow = false;
- mci = edac_mc_alloc(0, ARRAY_SIZE(layers), layers,
- sizeof(struct altr_sdram_mc_data));
- if (!mci)
- return -ENOMEM;
-
- mci->pdev = &pdev->dev;
- drvdata = mci->pvt_info;
- drvdata->mc_vbase = regmap;
- drvdata->data = priv;
- platform_set_drvdata(pdev, mci);
-
- if (!devres_open_group(&pdev->dev, NULL, GFP_KERNEL)) {
- edac_printk(KERN_ERR, EDAC_MC,
- "Unable to get managed device resource\n");
- ret = -ENOMEM;
- goto free;
- }
-
- mci->mtype_cap = MEM_FLAG_DDR3;
- mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED;
- mci->edac_cap = EDAC_FLAG_SECDED;
- mci->mod_name = EDAC_MOD_STR;
- mci->ctl_name = dev_name(&pdev->dev);
- mci->scrub_mode = SCRUB_SW_SRC;
- mci->dev_name = dev_name(&pdev->dev);
-
- dimm = *mci->dimms;
- dimm->nr_pages = ((mem_size - 1) >> PAGE_SHIFT) + 1;
- dimm->grain = 8;
- dimm->dtype = DEV_X8;
- dimm->mtype = MEM_DDR3;
- dimm->edac_mode = EDAC_SECDED;
-
- ret = edac_mc_add_mc(mci);
- if (ret < 0)
- goto err;
-
- ret = devm_request_irq(&pdev->dev, irq, altr_sdram_mc_err_handler,
- IRQF_SHARED, dev_name(&pdev->dev), mci);
- if (ret < 0) {
- edac_mc_printk(mci, KERN_ERR,
- "Unable to request irq %d\n", irq);
- ret = -ENODEV;
- goto err2;
- }
-
- if (regmap_write(regmap, S10_SYSMGR_ECC_INTMASK_CLR_OFST,
- S10_DDR0_IRQ_MASK)) {
- edac_printk(KERN_ERR, EDAC_MC,
- "Error clearing SDRAM ECC count\n");
- ret = -ENODEV;
- goto err2;
- }
-
- if (regmap_update_bits(drvdata->mc_vbase, priv->ecc_irq_en_offset,
- priv->ecc_irq_en_mask, priv->ecc_irq_en_mask)) {
- edac_mc_printk(mci, KERN_ERR,
- "Error enabling SDRAM ECC IRQ\n");
- ret = -ENODEV;
- goto err2;
- }
-
- altr_sdr_mc_create_debugfs_nodes(mci);
-
- devres_close_group(&pdev->dev, NULL);
-
- return 0;
-
-err2:
- edac_mc_del_mc(&pdev->dev);
-err:
- devres_release_group(&pdev->dev, NULL);
-free:
- edac_mc_free(mci);
- edac_printk(KERN_ERR, EDAC_MC,
- "EDAC Probe Failed; Error %d\n", ret);
-
- return ret;
-}
-
-static int altr_s10_sdram_remove(struct platform_device *pdev)
-{
- struct mem_ctl_info *mci = platform_get_drvdata(pdev);
-
- edac_mc_del_mc(&pdev->dev);
- edac_mc_free(mci);
- platform_set_drvdata(pdev, NULL);
-
- return 0;
-}
-
/************** </Stratix10 EDAC Memory Controller Functions> ***********/
/*
module_platform_driver(altr_sdram_edac_driver);
-static struct platform_driver altr_s10_sdram_edac_driver = {
- .probe = altr_s10_sdram_probe,
- .remove = altr_s10_sdram_remove,
- .driver = {
- .name = "altr_s10_sdram_edac",
-#ifdef CONFIG_PM
- .pm = &altr_sdram_pm_ops,
-#endif
- .of_match_table = altr_sdram_ctrl_of_match,
- },
-};
-
-module_platform_driver(altr_s10_sdram_edac_driver);
-
/************************* EDAC Parent Probe *************************/
static const struct of_device_id altr_edac_device_of_match[];
&dberror);
regmap_write(edac->ecc_mgr_map, S10_SYSMGR_UE_VAL_OFST, dberror);
if (dberror & S10_DDR0_IRQ_MASK) {
- regmap_read(edac->ecc_mgr_map, S10_DERRADDR_OFST, &err_addr);
+ regmap_read(edac->ecc_mgr_map, A10_DERRADDR_OFST, &err_addr);
regmap_write(edac->ecc_mgr_map, S10_SYSMGR_UE_ADDR_OFST,
err_addr);
edac_printk(KERN_ERR, EDAC_MC,
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