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drivers/edac/mv64x60_edac.c
21.8 KB
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/* * Marvell MV64x60 Memory Controller kernel module for PPC platforms * * 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> |
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#include <linux/interrupt.h> #include <linux/io.h> #include <linux/edac.h> |
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#include <linux/gfp.h> |
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#include "edac_module.h" #include "mv64x60_edac.h" static const char *mv64x60_ctl_name = "MV64x60"; static int edac_dev_idx; static int edac_pci_idx; static int edac_mc_idx; /*********************** PCI err device **********************************/ #ifdef CONFIG_PCI static void mv64x60_pci_check(struct edac_pci_ctl_info *pci) { struct mv64x60_pci_pdata *pdata = pci->pvt_info; u32 cause; cause = in_le32(pdata->pci_vbase + MV64X60_PCI_ERROR_CAUSE); if (!cause) return; printk(KERN_ERR "Error in PCI %d Interface ", pdata->pci_hose); printk(KERN_ERR "Cause register: 0x%08x ", cause); printk(KERN_ERR "Address Low: 0x%08x ", in_le32(pdata->pci_vbase + MV64X60_PCI_ERROR_ADDR_LO)); printk(KERN_ERR "Address High: 0x%08x ", in_le32(pdata->pci_vbase + MV64X60_PCI_ERROR_ADDR_HI)); printk(KERN_ERR "Attribute: 0x%08x ", in_le32(pdata->pci_vbase + MV64X60_PCI_ERROR_ATTR)); printk(KERN_ERR "Command: 0x%08x ", in_le32(pdata->pci_vbase + MV64X60_PCI_ERROR_CMD)); out_le32(pdata->pci_vbase + MV64X60_PCI_ERROR_CAUSE, ~cause); if (cause & MV64X60_PCI_PE_MASK) edac_pci_handle_pe(pci, pci->ctl_name); if (!(cause & MV64X60_PCI_PE_MASK)) edac_pci_handle_npe(pci, pci->ctl_name); } static irqreturn_t mv64x60_pci_isr(int irq, void *dev_id) { struct edac_pci_ctl_info *pci = dev_id; struct mv64x60_pci_pdata *pdata = pci->pvt_info; u32 val; val = in_le32(pdata->pci_vbase + MV64X60_PCI_ERROR_CAUSE); if (!val) return IRQ_NONE; mv64x60_pci_check(pci); return IRQ_HANDLED; } |
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/* * Bit 0 of MV64x60_PCIx_ERR_MASK does not exist on the 64360 and because of * errata FEr-#11 and FEr-##16 for the 64460, it should be 0 on that chip as * well. IOW, don't set bit 0. */ /* Erratum FEr PCI-#16: clear bit 0 of PCI SERRn Mask reg. */ static int __init mv64x60_pci_fixup(struct platform_device *pdev) { struct resource *r; void __iomem *pci_serr; r = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (!r) { printk(KERN_ERR "%s: Unable to get resource for " "PCI err regs ", __func__); return -ENOENT; } |
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pci_serr = ioremap(r->start, resource_size(r)); |
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if (!pci_serr) return -ENOMEM; out_le32(pci_serr, in_le32(pci_serr) & ~0x1); iounmap(pci_serr); return 0; } |
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static int mv64x60_pci_err_probe(struct platform_device *pdev) |
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{ struct edac_pci_ctl_info *pci; struct mv64x60_pci_pdata *pdata; struct resource *r; int res = 0; if (!devres_open_group(&pdev->dev, mv64x60_pci_err_probe, GFP_KERNEL)) return -ENOMEM; pci = edac_pci_alloc_ctl_info(sizeof(*pdata), "mv64x60_pci_err"); if (!pci) return -ENOMEM; pdata = pci->pvt_info; pdata->pci_hose = pdev->id; pdata->name = "mpc85xx_pci_err"; |
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platform_set_drvdata(pdev, pci); pci->dev = &pdev->dev; |
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pci->dev_name = dev_name(&pdev->dev); |
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pci->mod_name = EDAC_MOD_STR; pci->ctl_name = pdata->name; if (edac_op_state == EDAC_OPSTATE_POLL) pci->edac_check = mv64x60_pci_check; pdata->edac_idx = edac_pci_idx++; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!r) { printk(KERN_ERR "%s: Unable to get resource for " "PCI err regs ", __func__); res = -ENOENT; goto err; } if (!devm_request_mem_region(&pdev->dev, r->start, |
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resource_size(r), |
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pdata->name)) { printk(KERN_ERR "%s: Error while requesting mem region ", __func__); res = -EBUSY; goto err; } pdata->pci_vbase = devm_ioremap(&pdev->dev, r->start, |
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resource_size(r)); |
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if (!pdata->pci_vbase) { printk(KERN_ERR "%s: Unable to setup PCI err regs ", __func__); res = -ENOMEM; goto err; } |
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res = mv64x60_pci_fixup(pdev); if (res < 0) { printk(KERN_ERR "%s: PCI fixup failed ", __func__); goto err; } |
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out_le32(pdata->pci_vbase + MV64X60_PCI_ERROR_CAUSE, 0); out_le32(pdata->pci_vbase + MV64X60_PCI_ERROR_MASK, 0); out_le32(pdata->pci_vbase + MV64X60_PCI_ERROR_MASK, MV64X60_PCIx_ERR_MASK_VAL); if (edac_pci_add_device(pci, pdata->edac_idx) > 0) { |
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edac_dbg(3, "failed edac_pci_add_device() "); |
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goto err; } if (edac_op_state == EDAC_OPSTATE_INT) { pdata->irq = platform_get_irq(pdev, 0); res = devm_request_irq(&pdev->dev, pdata->irq, mv64x60_pci_isr, |
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"[EDAC] PCI err", pci); if (res < 0) { printk(KERN_ERR "%s: Unable to request irq %d for " "MV64x60 PCI ERR ", __func__, pdata->irq); res = -ENODEV; goto err2; } printk(KERN_INFO EDAC_MOD_STR " acquired irq %d for PCI Err ", pdata->irq); } devres_remove_group(&pdev->dev, mv64x60_pci_err_probe); /* get this far and it's successful */ |
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edac_dbg(3, "success "); |
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return 0; err2: edac_pci_del_device(&pdev->dev); err: edac_pci_free_ctl_info(pci); devres_release_group(&pdev->dev, mv64x60_pci_err_probe); return res; } static int mv64x60_pci_err_remove(struct platform_device *pdev) { struct edac_pci_ctl_info *pci = platform_get_drvdata(pdev); |
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edac_dbg(0, " "); |
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edac_pci_del_device(&pdev->dev); edac_pci_free_ctl_info(pci); return 0; } static struct platform_driver mv64x60_pci_err_driver = { .probe = mv64x60_pci_err_probe, |
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.remove = mv64x60_pci_err_remove, |
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.driver = { .name = "mv64x60_pci_err", } }; #endif /* CONFIG_PCI */ /*********************** SRAM err device **********************************/ static void mv64x60_sram_check(struct edac_device_ctl_info *edac_dev) { struct mv64x60_sram_pdata *pdata = edac_dev->pvt_info; u32 cause; cause = in_le32(pdata->sram_vbase + MV64X60_SRAM_ERR_CAUSE); if (!cause) return; printk(KERN_ERR "Error in internal SRAM "); printk(KERN_ERR "Cause register: 0x%08x ", cause); printk(KERN_ERR "Address Low: 0x%08x ", in_le32(pdata->sram_vbase + MV64X60_SRAM_ERR_ADDR_LO)); printk(KERN_ERR "Address High: 0x%08x ", in_le32(pdata->sram_vbase + MV64X60_SRAM_ERR_ADDR_HI)); printk(KERN_ERR "Data Low: 0x%08x ", in_le32(pdata->sram_vbase + MV64X60_SRAM_ERR_DATA_LO)); printk(KERN_ERR "Data High: 0x%08x ", in_le32(pdata->sram_vbase + MV64X60_SRAM_ERR_DATA_HI)); printk(KERN_ERR "Parity: 0x%08x ", in_le32(pdata->sram_vbase + MV64X60_SRAM_ERR_PARITY)); out_le32(pdata->sram_vbase + MV64X60_SRAM_ERR_CAUSE, 0); edac_device_handle_ue(edac_dev, 0, 0, edac_dev->ctl_name); } static irqreturn_t mv64x60_sram_isr(int irq, void *dev_id) { struct edac_device_ctl_info *edac_dev = dev_id; struct mv64x60_sram_pdata *pdata = edac_dev->pvt_info; u32 cause; cause = in_le32(pdata->sram_vbase + MV64X60_SRAM_ERR_CAUSE); if (!cause) return IRQ_NONE; mv64x60_sram_check(edac_dev); return IRQ_HANDLED; } |
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static int mv64x60_sram_err_probe(struct platform_device *pdev) |
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{ struct edac_device_ctl_info *edac_dev; struct mv64x60_sram_pdata *pdata; struct resource *r; int res = 0; if (!devres_open_group(&pdev->dev, mv64x60_sram_err_probe, GFP_KERNEL)) return -ENOMEM; edac_dev = edac_device_alloc_ctl_info(sizeof(*pdata), "sram", 1, NULL, 0, 0, NULL, 0, edac_dev_idx); if (!edac_dev) { devres_release_group(&pdev->dev, mv64x60_sram_err_probe); return -ENOMEM; } pdata = edac_dev->pvt_info; pdata->name = "mv64x60_sram_err"; |
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edac_dev->dev = &pdev->dev; platform_set_drvdata(pdev, edac_dev); |
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edac_dev->dev_name = dev_name(&pdev->dev); |
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r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!r) { printk(KERN_ERR "%s: Unable to get resource for " "SRAM err regs ", __func__); res = -ENOENT; goto err; } if (!devm_request_mem_region(&pdev->dev, r->start, |
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resource_size(r), |
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pdata->name)) { printk(KERN_ERR "%s: Error while request mem region ", __func__); res = -EBUSY; goto err; } pdata->sram_vbase = devm_ioremap(&pdev->dev, r->start, |
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resource_size(r)); |
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if (!pdata->sram_vbase) { printk(KERN_ERR "%s: Unable to setup SRAM err regs ", __func__); res = -ENOMEM; goto err; } /* setup SRAM err registers */ out_le32(pdata->sram_vbase + MV64X60_SRAM_ERR_CAUSE, 0); edac_dev->mod_name = EDAC_MOD_STR; edac_dev->ctl_name = pdata->name; if (edac_op_state == EDAC_OPSTATE_POLL) edac_dev->edac_check = mv64x60_sram_check; pdata->edac_idx = edac_dev_idx++; if (edac_device_add_device(edac_dev) > 0) { |
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edac_dbg(3, "failed edac_device_add_device() "); |
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goto err; } if (edac_op_state == EDAC_OPSTATE_INT) { pdata->irq = platform_get_irq(pdev, 0); res = devm_request_irq(&pdev->dev, pdata->irq, mv64x60_sram_isr, |
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"[EDAC] SRAM err", edac_dev); if (res < 0) { printk(KERN_ERR "%s: Unable to request irq %d for " "MV64x60 SRAM ERR ", __func__, pdata->irq); res = -ENODEV; goto err2; } printk(KERN_INFO EDAC_MOD_STR " acquired irq %d for SRAM Err ", pdata->irq); } devres_remove_group(&pdev->dev, mv64x60_sram_err_probe); /* get this far and it's successful */ |
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edac_dbg(3, "success "); |
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return 0; err2: edac_device_del_device(&pdev->dev); err: devres_release_group(&pdev->dev, mv64x60_sram_err_probe); edac_device_free_ctl_info(edac_dev); return res; } static int mv64x60_sram_err_remove(struct platform_device *pdev) { struct edac_device_ctl_info *edac_dev = platform_get_drvdata(pdev); |
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edac_dbg(0, " "); |
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edac_device_del_device(&pdev->dev); edac_device_free_ctl_info(edac_dev); return 0; } static struct platform_driver mv64x60_sram_err_driver = { .probe = mv64x60_sram_err_probe, .remove = mv64x60_sram_err_remove, .driver = { .name = "mv64x60_sram_err", } }; /*********************** CPU err device **********************************/ static void mv64x60_cpu_check(struct edac_device_ctl_info *edac_dev) { struct mv64x60_cpu_pdata *pdata = edac_dev->pvt_info; u32 cause; cause = in_le32(pdata->cpu_vbase[1] + MV64x60_CPU_ERR_CAUSE) & MV64x60_CPU_CAUSE_MASK; if (!cause) return; printk(KERN_ERR "Error on CPU interface "); printk(KERN_ERR "Cause register: 0x%08x ", cause); printk(KERN_ERR "Address Low: 0x%08x ", in_le32(pdata->cpu_vbase[0] + MV64x60_CPU_ERR_ADDR_LO)); printk(KERN_ERR "Address High: 0x%08x ", in_le32(pdata->cpu_vbase[0] + MV64x60_CPU_ERR_ADDR_HI)); printk(KERN_ERR "Data Low: 0x%08x ", in_le32(pdata->cpu_vbase[1] + MV64x60_CPU_ERR_DATA_LO)); printk(KERN_ERR "Data High: 0x%08x ", in_le32(pdata->cpu_vbase[1] + MV64x60_CPU_ERR_DATA_HI)); printk(KERN_ERR "Parity: 0x%08x ", in_le32(pdata->cpu_vbase[1] + MV64x60_CPU_ERR_PARITY)); out_le32(pdata->cpu_vbase[1] + MV64x60_CPU_ERR_CAUSE, 0); edac_device_handle_ue(edac_dev, 0, 0, edac_dev->ctl_name); } static irqreturn_t mv64x60_cpu_isr(int irq, void *dev_id) { struct edac_device_ctl_info *edac_dev = dev_id; struct mv64x60_cpu_pdata *pdata = edac_dev->pvt_info; u32 cause; cause = in_le32(pdata->cpu_vbase[1] + MV64x60_CPU_ERR_CAUSE) & MV64x60_CPU_CAUSE_MASK; if (!cause) return IRQ_NONE; mv64x60_cpu_check(edac_dev); return IRQ_HANDLED; } |
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static int mv64x60_cpu_err_probe(struct platform_device *pdev) |
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{ struct edac_device_ctl_info *edac_dev; struct resource *r; struct mv64x60_cpu_pdata *pdata; int res = 0; if (!devres_open_group(&pdev->dev, mv64x60_cpu_err_probe, GFP_KERNEL)) return -ENOMEM; edac_dev = edac_device_alloc_ctl_info(sizeof(*pdata), "cpu", 1, NULL, 0, 0, NULL, 0, edac_dev_idx); if (!edac_dev) { devres_release_group(&pdev->dev, mv64x60_cpu_err_probe); return -ENOMEM; } pdata = edac_dev->pvt_info; pdata->name = "mv64x60_cpu_err"; |
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edac_dev->dev = &pdev->dev; platform_set_drvdata(pdev, edac_dev); |
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edac_dev->dev_name = dev_name(&pdev->dev); |
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r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!r) { printk(KERN_ERR "%s: Unable to get resource for " "CPU err regs ", __func__); res = -ENOENT; goto err; } if (!devm_request_mem_region(&pdev->dev, r->start, |
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resource_size(r), |
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pdata->name)) { printk(KERN_ERR "%s: Error while requesting mem region ", __func__); res = -EBUSY; goto err; } pdata->cpu_vbase[0] = devm_ioremap(&pdev->dev, r->start, |
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resource_size(r)); |
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if (!pdata->cpu_vbase[0]) { printk(KERN_ERR "%s: Unable to setup CPU err regs ", __func__); res = -ENOMEM; goto err; } r = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (!r) { printk(KERN_ERR "%s: Unable to get resource for " "CPU err regs ", __func__); res = -ENOENT; goto err; } if (!devm_request_mem_region(&pdev->dev, r->start, |
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pdata->name)) { printk(KERN_ERR "%s: Error while requesting mem region ", __func__); res = -EBUSY; goto err; } pdata->cpu_vbase[1] = devm_ioremap(&pdev->dev, r->start, |
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resource_size(r)); |
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if (!pdata->cpu_vbase[1]) { printk(KERN_ERR "%s: Unable to setup CPU err regs ", __func__); res = -ENOMEM; goto err; } /* setup CPU err registers */ out_le32(pdata->cpu_vbase[1] + MV64x60_CPU_ERR_CAUSE, 0); out_le32(pdata->cpu_vbase[1] + MV64x60_CPU_ERR_MASK, 0); out_le32(pdata->cpu_vbase[1] + MV64x60_CPU_ERR_MASK, 0x000000ff); edac_dev->mod_name = EDAC_MOD_STR; edac_dev->ctl_name = pdata->name; if (edac_op_state == EDAC_OPSTATE_POLL) edac_dev->edac_check = mv64x60_cpu_check; pdata->edac_idx = edac_dev_idx++; if (edac_device_add_device(edac_dev) > 0) { |
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edac_dbg(3, "failed edac_device_add_device() "); |
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goto err; } if (edac_op_state == EDAC_OPSTATE_INT) { pdata->irq = platform_get_irq(pdev, 0); res = devm_request_irq(&pdev->dev, pdata->irq, mv64x60_cpu_isr, |
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"[EDAC] CPU err", edac_dev); if (res < 0) { printk(KERN_ERR "%s: Unable to request irq %d for MV64x60 " "CPU ERR ", __func__, pdata->irq); res = -ENODEV; goto err2; } printk(KERN_INFO EDAC_MOD_STR " acquired irq %d for CPU Err ", pdata->irq); } devres_remove_group(&pdev->dev, mv64x60_cpu_err_probe); /* get this far and it's successful */ |
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edac_dbg(3, "success "); |
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return 0; err2: edac_device_del_device(&pdev->dev); err: devres_release_group(&pdev->dev, mv64x60_cpu_err_probe); edac_device_free_ctl_info(edac_dev); return res; } static int mv64x60_cpu_err_remove(struct platform_device *pdev) { struct edac_device_ctl_info *edac_dev = platform_get_drvdata(pdev); |
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edac_dbg(0, " "); |
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edac_device_del_device(&pdev->dev); edac_device_free_ctl_info(edac_dev); return 0; } static struct platform_driver mv64x60_cpu_err_driver = { .probe = mv64x60_cpu_err_probe, .remove = mv64x60_cpu_err_remove, .driver = { .name = "mv64x60_cpu_err", } }; /*********************** DRAM err device **********************************/ static void mv64x60_mc_check(struct mem_ctl_info *mci) { struct mv64x60_mc_pdata *pdata = mci->pvt_info; u32 reg; u32 err_addr; u32 sdram_ecc; u32 comp_ecc; u32 syndrome; reg = in_le32(pdata->mc_vbase + MV64X60_SDRAM_ERR_ADDR); if (!reg) return; err_addr = reg & ~0x3; sdram_ecc = in_le32(pdata->mc_vbase + MV64X60_SDRAM_ERR_ECC_RCVD); comp_ecc = in_le32(pdata->mc_vbase + MV64X60_SDRAM_ERR_ECC_CALC); syndrome = sdram_ecc ^ comp_ecc; /* first bit clear in ECC Err Reg, 1 bit error, correctable by HW */ if (!(reg & 0x1)) |
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edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1, |
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err_addr >> PAGE_SHIFT, err_addr & PAGE_MASK, syndrome, 0, 0, -1, |
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mci->ctl_name, ""); |
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else /* 2 bit error, UE */ |
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edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1, |
a583ac6ca mv64x60_edac: con... |
656 657 658 |
err_addr >> PAGE_SHIFT, err_addr & PAGE_MASK, 0, 0, 0, -1, |
03f7eae80 edac: remove arch... |
659 |
mci->ctl_name, ""); |
4f4aeeabc drivers-edac: add... |
660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 |
/* clear the error */ out_le32(pdata->mc_vbase + MV64X60_SDRAM_ERR_ADDR, 0); } static irqreturn_t mv64x60_mc_isr(int irq, void *dev_id) { struct mem_ctl_info *mci = dev_id; struct mv64x60_mc_pdata *pdata = mci->pvt_info; u32 reg; reg = in_le32(pdata->mc_vbase + MV64X60_SDRAM_ERR_ADDR); if (!reg) return IRQ_NONE; /* writing 0's to the ECC err addr in check function clears irq */ mv64x60_mc_check(mci); return IRQ_HANDLED; } static void get_total_mem(struct mv64x60_mc_pdata *pdata) { struct device_node *np = NULL; const unsigned int *reg; np = of_find_node_by_type(NULL, "memory"); if (!np) return; |
596d39410 edac: mv64x60 fix... |
689 |
reg = of_get_property(np, "reg", NULL); |
4f4aeeabc drivers-edac: add... |
690 691 692 693 694 695 696 697 |
pdata->total_mem = reg[1]; } static void mv64x60_init_csrows(struct mem_ctl_info *mci, struct mv64x60_mc_pdata *pdata) { struct csrow_info *csrow; |
084a4fcce edac: move dimm p... |
698 |
struct dimm_info *dimm; |
4f4aeeabc drivers-edac: add... |
699 700 701 702 703 704 |
u32 devtype; u32 ctl; get_total_mem(pdata); ctl = in_le32(pdata->mc_vbase + MV64X60_SDRAM_CONFIG); |
de3910eb7 edac: change the ... |
705 706 |
csrow = mci->csrows[0]; dimm = csrow->channels[0]->dimm; |
a895bf8b1 edac: move nr_pag... |
707 708 |
dimm->nr_pages = pdata->total_mem >> PAGE_SHIFT; |
084a4fcce edac: move dimm p... |
709 |
dimm->grain = 8; |
4f4aeeabc drivers-edac: add... |
710 |
|
084a4fcce edac: move dimm p... |
711 |
dimm->mtype = (ctl & MV64X60_SDRAM_REGISTERED) ? MEM_RDDR : MEM_DDR; |
4f4aeeabc drivers-edac: add... |
712 713 714 715 |
devtype = (ctl >> 20) & 0x3; switch (devtype) { case 0x0: |
084a4fcce edac: move dimm p... |
716 |
dimm->dtype = DEV_X32; |
4f4aeeabc drivers-edac: add... |
717 718 |
break; case 0x2: /* could be X8 too, but no way to tell */ |
084a4fcce edac: move dimm p... |
719 |
dimm->dtype = DEV_X16; |
4f4aeeabc drivers-edac: add... |
720 721 |
break; case 0x3: |
084a4fcce edac: move dimm p... |
722 |
dimm->dtype = DEV_X4; |
4f4aeeabc drivers-edac: add... |
723 724 |
break; default: |
084a4fcce edac: move dimm p... |
725 |
dimm->dtype = DEV_UNKNOWN; |
4f4aeeabc drivers-edac: add... |
726 727 |
break; } |
084a4fcce edac: move dimm p... |
728 |
dimm->edac_mode = EDAC_SECDED; |
4f4aeeabc drivers-edac: add... |
729 |
} |
9b3c6e85c Drivers: edac: re... |
730 |
static int mv64x60_mc_err_probe(struct platform_device *pdev) |
4f4aeeabc drivers-edac: add... |
731 732 |
{ struct mem_ctl_info *mci; |
a583ac6ca mv64x60_edac: con... |
733 |
struct edac_mc_layer layers[2]; |
4f4aeeabc drivers-edac: add... |
734 735 736 737 738 739 740 |
struct mv64x60_mc_pdata *pdata; struct resource *r; u32 ctl; int res = 0; if (!devres_open_group(&pdev->dev, mv64x60_mc_err_probe, GFP_KERNEL)) return -ENOMEM; |
a583ac6ca mv64x60_edac: con... |
741 742 743 744 745 746 |
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; |
ca0907b9e edac: Remove the ... |
747 |
mci = edac_mc_alloc(edac_mc_idx, ARRAY_SIZE(layers), layers, |
a583ac6ca mv64x60_edac: con... |
748 |
sizeof(struct mv64x60_mc_pdata)); |
4f4aeeabc drivers-edac: add... |
749 750 751 752 753 754 755 756 |
if (!mci) { printk(KERN_ERR "%s: No memory for CPU err ", __func__); devres_release_group(&pdev->dev, mv64x60_mc_err_probe); return -ENOMEM; } pdata = mci->pvt_info; |
fd687502d edac: Rename the ... |
757 |
mci->pdev = &pdev->dev; |
4f4aeeabc drivers-edac: add... |
758 759 |
platform_set_drvdata(pdev, mci); pdata->name = "mv64x60_mc_err"; |
031d55185 edac: struct devi... |
760 |
mci->dev_name = dev_name(&pdev->dev); |
4f4aeeabc drivers-edac: add... |
761 762 763 764 765 766 767 768 769 770 771 772 773 |
pdata->edac_idx = edac_mc_idx++; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!r) { printk(KERN_ERR "%s: Unable to get resource for " "MC err regs ", __func__); res = -ENOENT; goto err; } if (!devm_request_mem_region(&pdev->dev, r->start, |
30a61fff3 edac: fix resourc... |
774 |
resource_size(r), |
4f4aeeabc drivers-edac: add... |
775 776 777 778 779 780 781 782 783 784 |
pdata->name)) { printk(KERN_ERR "%s: Error while requesting mem region ", __func__); res = -EBUSY; goto err; } pdata->mc_vbase = devm_ioremap(&pdev->dev, r->start, |
30a61fff3 edac: fix resourc... |
785 |
resource_size(r)); |
4f4aeeabc drivers-edac: add... |
786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 |
if (!pdata->mc_vbase) { printk(KERN_ERR "%s: Unable to setup MC err regs ", __func__); res = -ENOMEM; goto err; } ctl = in_le32(pdata->mc_vbase + MV64X60_SDRAM_CONFIG); if (!(ctl & MV64X60_SDRAM_ECC)) { /* Non-ECC RAM? */ printk(KERN_WARNING "%s: No ECC DIMMs discovered ", __func__); res = -ENODEV; goto err2; } |
956b9ba15 edac: Convert deb... |
801 802 |
edac_dbg(3, "init mci "); |
4f4aeeabc drivers-edac: add... |
803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 |
mci->mtype_cap = MEM_FLAG_RDDR | MEM_FLAG_DDR; mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED; mci->edac_cap = EDAC_FLAG_SECDED; mci->mod_name = EDAC_MOD_STR; mci->mod_ver = MV64x60_REVISION; mci->ctl_name = mv64x60_ctl_name; if (edac_op_state == EDAC_OPSTATE_POLL) mci->edac_check = mv64x60_mc_check; mci->ctl_page_to_phys = NULL; mci->scrub_mode = SCRUB_SW_SRC; mv64x60_init_csrows(mci, pdata); /* setup MC registers */ out_le32(pdata->mc_vbase + MV64X60_SDRAM_ERR_ADDR, 0); ctl = in_le32(pdata->mc_vbase + MV64X60_SDRAM_ERR_ECC_CNTL); ctl = (ctl & 0xff00ffff) | 0x10000; out_le32(pdata->mc_vbase + MV64X60_SDRAM_ERR_ECC_CNTL, ctl); |
30263b405 EDAC, mv64x60_eda... |
824 825 |
res = edac_mc_add_mc(mci); if (res) { |
956b9ba15 edac: Convert deb... |
826 827 |
edac_dbg(3, "failed edac_mc_add_mc() "); |
4f4aeeabc drivers-edac: add... |
828 829 830 831 832 833 834 835 836 |
goto err; } if (edac_op_state == EDAC_OPSTATE_INT) { /* acquire interrupt that reports errors */ pdata->irq = platform_get_irq(pdev, 0); res = devm_request_irq(&pdev->dev, pdata->irq, mv64x60_mc_isr, |
5c43cbdf7 {mv64x60,ppc4xx}_... |
837 |
0, |
4f4aeeabc drivers-edac: add... |
838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 |
"[EDAC] MC err", mci); if (res < 0) { printk(KERN_ERR "%s: Unable to request irq %d for " "MV64x60 DRAM ERR ", __func__, pdata->irq); res = -ENODEV; goto err2; } printk(KERN_INFO EDAC_MOD_STR " acquired irq %d for MC Err ", pdata->irq); } /* get this far and it's successful */ |
956b9ba15 edac: Convert deb... |
854 855 |
edac_dbg(3, "success "); |
4f4aeeabc drivers-edac: add... |
856 857 858 859 860 861 862 863 864 865 866 867 868 869 |
return 0; err2: edac_mc_del_mc(&pdev->dev); err: devres_release_group(&pdev->dev, mv64x60_mc_err_probe); edac_mc_free(mci); return res; } static int mv64x60_mc_err_remove(struct platform_device *pdev) { struct mem_ctl_info *mci = platform_get_drvdata(pdev); |
956b9ba15 edac: Convert deb... |
870 871 |
edac_dbg(0, " "); |
4f4aeeabc drivers-edac: add... |
872 873 874 875 876 877 878 879 880 881 882 883 884 |
edac_mc_del_mc(&pdev->dev); edac_mc_free(mci); return 0; } static struct platform_driver mv64x60_mc_err_driver = { .probe = mv64x60_mc_err_probe, .remove = mv64x60_mc_err_remove, .driver = { .name = "mv64x60_mc_err", } }; |
768ce42cc EDAC, mv64x60: Us... |
885 886 887 888 889 890 891 892 |
static struct platform_driver * const drivers[] = { &mv64x60_mc_err_driver, &mv64x60_cpu_err_driver, &mv64x60_sram_err_driver, #ifdef CONFIG_PCI &mv64x60_pci_err_driver, #endif }; |
4f4aeeabc drivers-edac: add... |
893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 |
static int __init mv64x60_edac_init(void) { int ret = 0; printk(KERN_INFO "Marvell MV64x60 EDAC driver " MV64x60_REVISION " "); printk(KERN_INFO "\t(C) 2006-2007 MontaVista Software "); /* 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; } |
768ce42cc EDAC, mv64x60: Us... |
910 |
return platform_register_drivers(drivers, ARRAY_SIZE(drivers)); |
4f4aeeabc drivers-edac: add... |
911 912 913 914 915 |
} module_init(mv64x60_edac_init); static void __exit mv64x60_edac_exit(void) { |
768ce42cc EDAC, mv64x60: Us... |
916 |
platform_unregister_drivers(drivers, ARRAY_SIZE(drivers)); |
4f4aeeabc drivers-edac: add... |
917 918 919 920 921 922 923 924 |
} module_exit(mv64x60_edac_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"); |