diff options
Diffstat (limited to 'drivers/edac/mpc85xx_edac.c')
| -rw-r--r-- | drivers/edac/mpc85xx_edac.c | 715 |
1 files changed, 715 insertions, 0 deletions
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c new file mode 100644 index 000000000..e50d7928b --- /dev/null +++ b/drivers/edac/mpc85xx_edac.c @@ -0,0 +1,715 @@ +/* + * Freescale MPC85xx Memory Controller kernel module + * + * Parts Copyrighted (c) 2013 by Freescale Semiconductor, Inc. + * + * Author: Dave Jiang <djiang@mvista.com> + * + * 2006-2007 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + * + */ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/ctype.h> +#include <linux/io.h> +#include <linux/mod_devicetable.h> +#include <linux/edac.h> +#include <linux/smp.h> +#include <linux/gfp.h> +#include <linux/fsl/edac.h> + +#include <linux/of_platform.h> +#include <linux/of_device.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include "edac_module.h" +#include "mpc85xx_edac.h" +#include "fsl_ddr_edac.h" + +static int edac_dev_idx; +#ifdef CONFIG_PCI +static int edac_pci_idx; +#endif + +/* + * PCI Err defines + */ +#ifdef CONFIG_PCI +static u32 orig_pci_err_cap_dr; +static u32 orig_pci_err_en; +#endif + +static u32 orig_l2_err_disable; + +/**************************** PCI Err device ***************************/ +#ifdef CONFIG_PCI + +static void mpc85xx_pci_check(struct edac_pci_ctl_info *pci) +{ + struct mpc85xx_pci_pdata *pdata = pci->pvt_info; + u32 err_detect; + + err_detect = in_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_DR); + + /* master aborts can happen during PCI config cycles */ + if (!(err_detect & ~(PCI_EDE_MULTI_ERR | PCI_EDE_MST_ABRT))) { + out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_DR, err_detect); + return; + } + + pr_err("PCI error(s) detected\n"); + pr_err("PCI/X ERR_DR register: %#08x\n", err_detect); + + pr_err("PCI/X ERR_ATTRIB register: %#08x\n", + in_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_ATTRIB)); + pr_err("PCI/X ERR_ADDR register: %#08x\n", + in_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_ADDR)); + pr_err("PCI/X ERR_EXT_ADDR register: %#08x\n", + in_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_EXT_ADDR)); + pr_err("PCI/X ERR_DL register: %#08x\n", + in_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_DL)); + pr_err("PCI/X ERR_DH register: %#08x\n", + in_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_DH)); + + /* clear error bits */ + out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_DR, err_detect); + + if (err_detect & PCI_EDE_PERR_MASK) + edac_pci_handle_pe(pci, pci->ctl_name); + + if ((err_detect & ~PCI_EDE_MULTI_ERR) & ~PCI_EDE_PERR_MASK) + edac_pci_handle_npe(pci, pci->ctl_name); +} + +static void mpc85xx_pcie_check(struct edac_pci_ctl_info *pci) +{ + struct mpc85xx_pci_pdata *pdata = pci->pvt_info; + u32 err_detect, err_cap_stat; + + err_detect = in_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_DR); + err_cap_stat = in_be32(pdata->pci_vbase + MPC85XX_PCI_GAS_TIMR); + + pr_err("PCIe error(s) detected\n"); + pr_err("PCIe ERR_DR register: 0x%08x\n", err_detect); + pr_err("PCIe ERR_CAP_STAT register: 0x%08x\n", err_cap_stat); + pr_err("PCIe ERR_CAP_R0 register: 0x%08x\n", + in_be32(pdata->pci_vbase + MPC85XX_PCIE_ERR_CAP_R0)); + pr_err("PCIe ERR_CAP_R1 register: 0x%08x\n", + in_be32(pdata->pci_vbase + MPC85XX_PCIE_ERR_CAP_R1)); + pr_err("PCIe ERR_CAP_R2 register: 0x%08x\n", + in_be32(pdata->pci_vbase + MPC85XX_PCIE_ERR_CAP_R2)); + pr_err("PCIe ERR_CAP_R3 register: 0x%08x\n", + in_be32(pdata->pci_vbase + MPC85XX_PCIE_ERR_CAP_R3)); + + /* clear error bits */ + out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_DR, err_detect); + + /* reset error capture */ + out_be32(pdata->pci_vbase + MPC85XX_PCI_GAS_TIMR, err_cap_stat | 0x1); +} + +static int mpc85xx_pcie_find_capability(struct device_node *np) +{ + struct pci_controller *hose; + + if (!np) + return -EINVAL; + + hose = pci_find_hose_for_OF_device(np); + + return early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP); +} + +static irqreturn_t mpc85xx_pci_isr(int irq, void *dev_id) +{ + struct edac_pci_ctl_info *pci = dev_id; + struct mpc85xx_pci_pdata *pdata = pci->pvt_info; + u32 err_detect; + + err_detect = in_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_DR); + + if (!err_detect) + return IRQ_NONE; + + if (pdata->is_pcie) + mpc85xx_pcie_check(pci); + else + mpc85xx_pci_check(pci); + + return IRQ_HANDLED; +} + +static int mpc85xx_pci_err_probe(struct platform_device *op) +{ + struct edac_pci_ctl_info *pci; + struct mpc85xx_pci_pdata *pdata; + struct mpc85xx_edac_pci_plat_data *plat_data; + struct device_node *of_node; + struct resource r; + int res = 0; + + if (!devres_open_group(&op->dev, mpc85xx_pci_err_probe, GFP_KERNEL)) + return -ENOMEM; + + pci = edac_pci_alloc_ctl_info(sizeof(*pdata), "mpc85xx_pci_err"); + if (!pci) + return -ENOMEM; + + /* make sure error reporting method is sane */ + switch (edac_op_state) { + case EDAC_OPSTATE_POLL: + case EDAC_OPSTATE_INT: + break; + default: + edac_op_state = EDAC_OPSTATE_INT; + break; + } + + pdata = pci->pvt_info; + pdata->name = "mpc85xx_pci_err"; + + plat_data = op->dev.platform_data; + if (!plat_data) { + dev_err(&op->dev, "no platform data"); + res = -ENXIO; + goto err; + } + of_node = plat_data->of_node; + + if (mpc85xx_pcie_find_capability(of_node) > 0) + pdata->is_pcie = true; + + dev_set_drvdata(&op->dev, pci); + pci->dev = &op->dev; + pci->mod_name = EDAC_MOD_STR; + pci->ctl_name = pdata->name; + pci->dev_name = dev_name(&op->dev); + + if (edac_op_state == EDAC_OPSTATE_POLL) { + if (pdata->is_pcie) + pci->edac_check = mpc85xx_pcie_check; + else + pci->edac_check = mpc85xx_pci_check; + } + + pdata->edac_idx = edac_pci_idx++; + + res = of_address_to_resource(of_node, 0, &r); + if (res) { + pr_err("%s: Unable to get resource for PCI err regs\n", __func__); + goto err; + } + + /* we only need the error registers */ + r.start += 0xe00; + + if (!devm_request_mem_region(&op->dev, r.start, resource_size(&r), + pdata->name)) { + pr_err("%s: Error while requesting mem region\n", __func__); + res = -EBUSY; + goto err; + } + + pdata->pci_vbase = devm_ioremap(&op->dev, r.start, resource_size(&r)); + if (!pdata->pci_vbase) { + pr_err("%s: Unable to setup PCI err regs\n", __func__); + res = -ENOMEM; + goto err; + } + + if (pdata->is_pcie) { + orig_pci_err_cap_dr = + in_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_ADDR); + out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_ADDR, ~0); + orig_pci_err_en = + in_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_EN); + out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_EN, 0); + } else { + orig_pci_err_cap_dr = + in_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_CAP_DR); + + /* PCI master abort is expected during config cycles */ + out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_CAP_DR, 0x40); + + orig_pci_err_en = + in_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_EN); + + /* disable master abort reporting */ + out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_EN, ~0x40); + } + + /* clear error bits */ + out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_DR, ~0); + + /* reset error capture */ + out_be32(pdata->pci_vbase + MPC85XX_PCI_GAS_TIMR, 0x1); + + if (edac_pci_add_device(pci, pdata->edac_idx) > 0) { + edac_dbg(3, "failed edac_pci_add_device()\n"); + goto err; + } + + if (edac_op_state == EDAC_OPSTATE_INT) { + pdata->irq = irq_of_parse_and_map(of_node, 0); + res = devm_request_irq(&op->dev, pdata->irq, + mpc85xx_pci_isr, + IRQF_SHARED, + "[EDAC] PCI err", pci); + if (res < 0) { + pr_err("%s: Unable to request irq %d for MPC85xx PCI err\n", + __func__, pdata->irq); + irq_dispose_mapping(pdata->irq); + res = -ENODEV; + goto err2; + } + + pr_info(EDAC_MOD_STR " acquired irq %d for PCI Err\n", + pdata->irq); + } + + if (pdata->is_pcie) { + /* + * Enable all PCIe error interrupt & error detect except invalid + * PEX_CONFIG_ADDR/PEX_CONFIG_DATA access interrupt generation + * enable bit and invalid PEX_CONFIG_ADDR/PEX_CONFIG_DATA access + * detection enable bit. Because PCIe bus code to initialize and + * configure these PCIe devices on booting will use some invalid + * PEX_CONFIG_ADDR/PEX_CONFIG_DATA, edac driver prints the much + * notice information. So disable this detect to fix ugly print. + */ + out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_EN, ~0 + & ~PEX_ERR_ICCAIE_EN_BIT); + out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_ADDR, 0 + | PEX_ERR_ICCAD_DISR_BIT); + } + + devres_remove_group(&op->dev, mpc85xx_pci_err_probe); + edac_dbg(3, "success\n"); + pr_info(EDAC_MOD_STR " PCI err registered\n"); + + return 0; + +err2: + edac_pci_del_device(&op->dev); +err: + edac_pci_free_ctl_info(pci); + devres_release_group(&op->dev, mpc85xx_pci_err_probe); + return res; +} + +static int mpc85xx_pci_err_remove(struct platform_device *op) +{ + struct edac_pci_ctl_info *pci = dev_get_drvdata(&op->dev); + struct mpc85xx_pci_pdata *pdata = pci->pvt_info; + + edac_dbg(0, "\n"); + + out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_ADDR, orig_pci_err_cap_dr); + out_be32(pdata->pci_vbase + MPC85XX_PCI_ERR_EN, orig_pci_err_en); + + edac_pci_del_device(&op->dev); + edac_pci_free_ctl_info(pci); + + return 0; +} + +static const struct platform_device_id mpc85xx_pci_err_match[] = { + { + .name = "mpc85xx-pci-edac" + }, + {} +}; + +static struct platform_driver mpc85xx_pci_err_driver = { + .probe = mpc85xx_pci_err_probe, + .remove = mpc85xx_pci_err_remove, + .id_table = mpc85xx_pci_err_match, + .driver = { + .name = "mpc85xx_pci_err", + .suppress_bind_attrs = true, + }, +}; +#endif /* CONFIG_PCI */ + +/**************************** L2 Err device ***************************/ + +/************************ L2 SYSFS parts ***********************************/ + +static ssize_t mpc85xx_l2_inject_data_hi_show(struct edac_device_ctl_info + *edac_dev, char *data) +{ + struct mpc85xx_l2_pdata *pdata = edac_dev->pvt_info; + return sprintf(data, "0x%08x", + in_be32(pdata->l2_vbase + MPC85XX_L2_ERRINJHI)); +} + +static ssize_t mpc85xx_l2_inject_data_lo_show(struct edac_device_ctl_info + *edac_dev, char *data) +{ + struct mpc85xx_l2_pdata *pdata = edac_dev->pvt_info; + return sprintf(data, "0x%08x", + in_be32(pdata->l2_vbase + MPC85XX_L2_ERRINJLO)); +} + +static ssize_t mpc85xx_l2_inject_ctrl_show(struct edac_device_ctl_info + *edac_dev, char *data) +{ + struct mpc85xx_l2_pdata *pdata = edac_dev->pvt_info; + return sprintf(data, "0x%08x", + in_be32(pdata->l2_vbase + MPC85XX_L2_ERRINJCTL)); +} + +static ssize_t mpc85xx_l2_inject_data_hi_store(struct edac_device_ctl_info + *edac_dev, const char *data, + size_t count) +{ + struct mpc85xx_l2_pdata *pdata = edac_dev->pvt_info; + if (isdigit(*data)) { + out_be32(pdata->l2_vbase + MPC85XX_L2_ERRINJHI, + simple_strtoul(data, NULL, 0)); + return count; + } + return 0; +} + +static ssize_t mpc85xx_l2_inject_data_lo_store(struct edac_device_ctl_info + *edac_dev, const char *data, + size_t count) +{ + struct mpc85xx_l2_pdata *pdata = edac_dev->pvt_info; + if (isdigit(*data)) { + out_be32(pdata->l2_vbase + MPC85XX_L2_ERRINJLO, + simple_strtoul(data, NULL, 0)); + return count; + } + return 0; +} + +static ssize_t mpc85xx_l2_inject_ctrl_store(struct edac_device_ctl_info + *edac_dev, const char *data, + size_t count) +{ + struct mpc85xx_l2_pdata *pdata = edac_dev->pvt_info; + if (isdigit(*data)) { + out_be32(pdata->l2_vbase + MPC85XX_L2_ERRINJCTL, + simple_strtoul(data, NULL, 0)); + return count; + } + return 0; +} + +static struct edac_dev_sysfs_attribute mpc85xx_l2_sysfs_attributes[] = { + { + .attr = { + .name = "inject_data_hi", + .mode = (S_IRUGO | S_IWUSR) + }, + .show = mpc85xx_l2_inject_data_hi_show, + .store = mpc85xx_l2_inject_data_hi_store}, + { + .attr = { + .name = "inject_data_lo", + .mode = (S_IRUGO | S_IWUSR) + }, + .show = mpc85xx_l2_inject_data_lo_show, + .store = mpc85xx_l2_inject_data_lo_store}, + { + .attr = { + .name = "inject_ctrl", + .mode = (S_IRUGO | S_IWUSR) + }, + .show = mpc85xx_l2_inject_ctrl_show, + .store = mpc85xx_l2_inject_ctrl_store}, + + /* End of list */ + { + .attr = {.name = NULL} + } +}; + +static void mpc85xx_set_l2_sysfs_attributes(struct edac_device_ctl_info + *edac_dev) +{ + edac_dev->sysfs_attributes = mpc85xx_l2_sysfs_attributes; +} + +/***************************** L2 ops ***********************************/ + +static void mpc85xx_l2_check(struct edac_device_ctl_info *edac_dev) +{ + struct mpc85xx_l2_pdata *pdata = edac_dev->pvt_info; + u32 err_detect; + + err_detect = in_be32(pdata->l2_vbase + MPC85XX_L2_ERRDET); + + if (!(err_detect & L2_EDE_MASK)) + return; + + pr_err("ECC Error in CPU L2 cache\n"); + pr_err("L2 Error Detect Register: 0x%08x\n", err_detect); + pr_err("L2 Error Capture Data High Register: 0x%08x\n", + in_be32(pdata->l2_vbase + MPC85XX_L2_CAPTDATAHI)); + pr_err("L2 Error Capture Data Lo Register: 0x%08x\n", + in_be32(pdata->l2_vbase + MPC85XX_L2_CAPTDATALO)); + pr_err("L2 Error Syndrome Register: 0x%08x\n", + in_be32(pdata->l2_vbase + MPC85XX_L2_CAPTECC)); + pr_err("L2 Error Attributes Capture Register: 0x%08x\n", + in_be32(pdata->l2_vbase + MPC85XX_L2_ERRATTR)); + pr_err("L2 Error Address Capture Register: 0x%08x\n", + in_be32(pdata->l2_vbase + MPC85XX_L2_ERRADDR)); + + /* clear error detect register */ + out_be32(pdata->l2_vbase + MPC85XX_L2_ERRDET, err_detect); + + if (err_detect & L2_EDE_CE_MASK) + edac_device_handle_ce(edac_dev, 0, 0, edac_dev->ctl_name); + + if (err_detect & L2_EDE_UE_MASK) + edac_device_handle_ue(edac_dev, 0, 0, edac_dev->ctl_name); +} + +static irqreturn_t mpc85xx_l2_isr(int irq, void *dev_id) +{ + struct edac_device_ctl_info *edac_dev = dev_id; + struct mpc85xx_l2_pdata *pdata = edac_dev->pvt_info; + u32 err_detect; + + err_detect = in_be32(pdata->l2_vbase + MPC85XX_L2_ERRDET); + + if (!(err_detect & L2_EDE_MASK)) + return IRQ_NONE; + + mpc85xx_l2_check(edac_dev); + + return IRQ_HANDLED; +} + +static int mpc85xx_l2_err_probe(struct platform_device *op) +{ + struct edac_device_ctl_info *edac_dev; + struct mpc85xx_l2_pdata *pdata; + struct resource r; + int res; + + if (!devres_open_group(&op->dev, mpc85xx_l2_err_probe, GFP_KERNEL)) + return -ENOMEM; + + edac_dev = edac_device_alloc_ctl_info(sizeof(*pdata), + "cpu", 1, "L", 1, 2, NULL, 0, + edac_dev_idx); + if (!edac_dev) { + devres_release_group(&op->dev, mpc85xx_l2_err_probe); + return -ENOMEM; + } + + pdata = edac_dev->pvt_info; + pdata->name = "mpc85xx_l2_err"; + edac_dev->dev = &op->dev; + dev_set_drvdata(edac_dev->dev, edac_dev); + edac_dev->ctl_name = pdata->name; + edac_dev->dev_name = pdata->name; + + res = of_address_to_resource(op->dev.of_node, 0, &r); + if (res) { + pr_err("%s: Unable to get resource for L2 err regs\n", __func__); + goto err; + } + + /* we only need the error registers */ + r.start += 0xe00; + + if (!devm_request_mem_region(&op->dev, r.start, resource_size(&r), + pdata->name)) { + pr_err("%s: Error while requesting mem region\n", __func__); + res = -EBUSY; + goto err; + } + + pdata->l2_vbase = devm_ioremap(&op->dev, r.start, resource_size(&r)); + if (!pdata->l2_vbase) { + pr_err("%s: Unable to setup L2 err regs\n", __func__); + res = -ENOMEM; + goto err; + } + + out_be32(pdata->l2_vbase + MPC85XX_L2_ERRDET, ~0); + + orig_l2_err_disable = in_be32(pdata->l2_vbase + MPC85XX_L2_ERRDIS); + + /* clear the err_dis */ + out_be32(pdata->l2_vbase + MPC85XX_L2_ERRDIS, 0); + + edac_dev->mod_name = EDAC_MOD_STR; + + if (edac_op_state == EDAC_OPSTATE_POLL) + edac_dev->edac_check = mpc85xx_l2_check; + + mpc85xx_set_l2_sysfs_attributes(edac_dev); + + pdata->edac_idx = edac_dev_idx++; + + if (edac_device_add_device(edac_dev) > 0) { + edac_dbg(3, "failed edac_device_add_device()\n"); + goto err; + } + + if (edac_op_state == EDAC_OPSTATE_INT) { + pdata->irq = irq_of_parse_and_map(op->dev.of_node, 0); + res = devm_request_irq(&op->dev, pdata->irq, + mpc85xx_l2_isr, IRQF_SHARED, + "[EDAC] L2 err", edac_dev); + if (res < 0) { + pr_err("%s: Unable to request irq %d for MPC85xx L2 err\n", + __func__, pdata->irq); + irq_dispose_mapping(pdata->irq); + res = -ENODEV; + goto err2; + } + + pr_info(EDAC_MOD_STR " acquired irq %d for L2 Err\n", pdata->irq); + + edac_dev->op_state = OP_RUNNING_INTERRUPT; + + out_be32(pdata->l2_vbase + MPC85XX_L2_ERRINTEN, L2_EIE_MASK); + } + + devres_remove_group(&op->dev, mpc85xx_l2_err_probe); + + edac_dbg(3, "success\n"); + pr_info(EDAC_MOD_STR " L2 err registered\n"); + + return 0; + +err2: + edac_device_del_device(&op->dev); +err: + devres_release_group(&op->dev, mpc85xx_l2_err_probe); + edac_device_free_ctl_info(edac_dev); + return res; +} + +static int mpc85xx_l2_err_remove(struct platform_device *op) +{ + struct edac_device_ctl_info *edac_dev = dev_get_drvdata(&op->dev); + struct mpc85xx_l2_pdata *pdata = edac_dev->pvt_info; + + edac_dbg(0, "\n"); + + if (edac_op_state == EDAC_OPSTATE_INT) { + out_be32(pdata->l2_vbase + MPC85XX_L2_ERRINTEN, 0); + irq_dispose_mapping(pdata->irq); + } + + out_be32(pdata->l2_vbase + MPC85XX_L2_ERRDIS, orig_l2_err_disable); + edac_device_del_device(&op->dev); + edac_device_free_ctl_info(edac_dev); + return 0; +} + +static const struct of_device_id mpc85xx_l2_err_of_match[] = { + { .compatible = "fsl,mpc8536-l2-cache-controller", }, + { .compatible = "fsl,mpc8540-l2-cache-controller", }, + { .compatible = "fsl,mpc8541-l2-cache-controller", }, + { .compatible = "fsl,mpc8544-l2-cache-controller", }, + { .compatible = "fsl,mpc8548-l2-cache-controller", }, + { .compatible = "fsl,mpc8555-l2-cache-controller", }, + { .compatible = "fsl,mpc8560-l2-cache-controller", }, + { .compatible = "fsl,mpc8568-l2-cache-controller", }, + { .compatible = "fsl,mpc8569-l2-cache-controller", }, + { .compatible = "fsl,mpc8572-l2-cache-controller", }, + { .compatible = "fsl,p1020-l2-cache-controller", }, + { .compatible = "fsl,p1021-l2-cache-controller", }, + { .compatible = "fsl,p2020-l2-cache-controller", }, + { .compatible = "fsl,t2080-l2-cache-controller", }, + {}, +}; +MODULE_DEVICE_TABLE(of, mpc85xx_l2_err_of_match); + +static struct platform_driver mpc85xx_l2_err_driver = { + .probe = mpc85xx_l2_err_probe, + .remove = mpc85xx_l2_err_remove, + .driver = { + .name = "mpc85xx_l2_err", + .of_match_table = mpc85xx_l2_err_of_match, + }, +}; + +static const struct of_device_id mpc85xx_mc_err_of_match[] = { + { .compatible = "fsl,mpc8536-memory-controller", }, + { .compatible = "fsl,mpc8540-memory-controller", }, + { .compatible = "fsl,mpc8541-memory-controller", }, + { .compatible = "fsl,mpc8544-memory-controller", }, + { .compatible = "fsl,mpc8548-memory-controller", }, + { .compatible = "fsl,mpc8555-memory-controller", }, + { .compatible = "fsl,mpc8560-memory-controller", }, + { .compatible = "fsl,mpc8568-memory-controller", }, + { .compatible = "fsl,mpc8569-memory-controller", }, + { .compatible = "fsl,mpc8572-memory-controller", }, + { .compatible = "fsl,mpc8349-memory-controller", }, + { .compatible = "fsl,p1020-memory-controller", }, + { .compatible = "fsl,p1021-memory-controller", }, + { .compatible = "fsl,p2020-memory-controller", }, + { .compatible = "fsl,qoriq-memory-controller", }, + {}, +}; +MODULE_DEVICE_TABLE(of, mpc85xx_mc_err_of_match); + +static struct platform_driver mpc85xx_mc_err_driver = { + .probe = fsl_mc_err_probe, + .remove = fsl_mc_err_remove, + .driver = { + .name = "mpc85xx_mc_err", + .of_match_table = mpc85xx_mc_err_of_match, + }, +}; + +static struct platform_driver * const drivers[] = { + &mpc85xx_mc_err_driver, + &mpc85xx_l2_err_driver, +#ifdef CONFIG_PCI + &mpc85xx_pci_err_driver, +#endif +}; + +static int __init mpc85xx_mc_init(void) +{ + int res = 0; + u32 __maybe_unused pvr = 0; + + pr_info("Freescale(R) MPC85xx EDAC driver, (C) 2006 Montavista Software\n"); + + /* make sure error reporting method is sane */ + switch (edac_op_state) { + case EDAC_OPSTATE_POLL: + case EDAC_OPSTATE_INT: + break; + default: + edac_op_state = EDAC_OPSTATE_INT; + break; + } + + res = platform_register_drivers(drivers, ARRAY_SIZE(drivers)); + if (res) + pr_warn(EDAC_MOD_STR "drivers fail to register\n"); + + return 0; +} + +module_init(mpc85xx_mc_init); + +static void __exit mpc85xx_mc_exit(void) +{ + platform_unregister_drivers(drivers, ARRAY_SIZE(drivers)); +} + +module_exit(mpc85xx_mc_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Montavista Software, Inc."); +module_param(edac_op_state, int, 0444); +MODULE_PARM_DESC(edac_op_state, + "EDAC Error Reporting state: 0=Poll, 2=Interrupt"); |