drivers/edac/ppc4xx_edac.c

125 #define ppc4xx_edac_mc_printk(level, mci, fmt, arg...) \
126 	edac_mc_chipset_printk(mci, level, "PPC4xx", fmt, ##arg)
282  * @mci: A pointer to the EDAC memory controller instance associated
298 ppc4xx_edac_generate_bank_message(const struct mem_ctl_info *mci,
306 	n = snprintf(buffer, size, "%s: Banks: ", mci->dev_name);
315 	for (rows = 0, row = 0; row < mci->nr_csrows; row++) {
344  * @mci: A pointer to the EDAC memory controller instance associated
360 ppc4xx_edac_generate_checkbit_message(const struct mem_ctl_info *mci,
365 	const struct ppc4xx_edac_pdata *pdata = mci->pvt_info;
402  * @mci: A pointer to the EDAC memory controller instance associated
418 ppc4xx_edac_generate_lane_message(const struct mem_ctl_info *mci,
467  * @mci: A pointer to the EDAC memory controller instance associated
483 ppc4xx_edac_generate_ecc_message(const struct mem_ctl_info *mci,
490 	n = ppc4xx_edac_generate_bank_message(mci, status, buffer, size);
499 	n = ppc4xx_edac_generate_checkbit_message(mci, status, buffer, size);
508 	n = ppc4xx_edac_generate_lane_message(mci, status, buffer, size);
523  * @mci: A pointer to the EDAC memory controller instance associated
539 ppc4xx_edac_generate_plb_message(const struct mem_ctl_info *mci,
568  * @mci: A pointer to the EDAC memory controller instance associated
580 ppc4xx_edac_generate_message(const struct mem_ctl_info *mci,
590 	n = ppc4xx_edac_generate_ecc_message(mci, status, buffer, size);
598 	ppc4xx_edac_generate_plb_message(mci, status, buffer, size);
604  * @mci: A pointer to the EDAC memory controller instance
613 ppc4xx_ecc_dump_status(const struct mem_ctl_info *mci,
618 	ppc4xx_edac_generate_message(mci, status, message, sizeof(message));
620 	ppc4xx_edac_mc_printk(KERN_INFO, mci,
638  * @mci: A pointer to the EDAC memory controller instance
650 ppc4xx_ecc_get_status(const struct mem_ctl_info *mci,
653 	const struct ppc4xx_edac_pdata *pdata = mci->pvt_info;
665  * @mci: A pointer to the EDAC memory controller instance
675 ppc4xx_ecc_clear_status(const struct mem_ctl_info *mci,
678 	const struct ppc4xx_edac_pdata *pdata = mci->pvt_info;
690  * @mci: A pointer to the EDAC memory controller instance
702 ppc4xx_edac_handle_ce(struct mem_ctl_info *mci,
708 	ppc4xx_edac_generate_message(mci, status, message, sizeof(message));
710 	for (row = 0; row < mci->nr_csrows; row++)
712 			edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1,
720  * @mci: A pointer to the EDAC memory controller instance
730 ppc4xx_edac_handle_ue(struct mem_ctl_info *mci,
739 	ppc4xx_edac_generate_message(mci, status, message, sizeof(message));
741 	for (row = 0; row < mci->nr_csrows; row++)
743 			edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1,
751  * @mci: A pointer to the EDAC memory controller instance
760 ppc4xx_edac_check(struct mem_ctl_info *mci)
767 	ppc4xx_ecc_get_status(mci, &status);
771 		ppc4xx_ecc_dump_status(mci, &status);
775 		ppc4xx_edac_handle_ue(mci, &status);
778 		ppc4xx_edac_handle_ce(mci, &status);
780 	ppc4xx_ecc_clear_status(mci, &status);
799 	struct mem_ctl_info *mci = dev_id;
801 	ppc4xx_edac_check(mci);
862  * @mci: A pointer to the EDAC memory controller instance
876 static int ppc4xx_edac_init_csrows(struct mem_ctl_info *mci, u32 mcopt1)
878 	const struct ppc4xx_edac_pdata *pdata = mci->pvt_info;
893 	if (mci->edac_cap & EDAC_FLAG_SECDED)
895 	else if (mci->edac_cap & EDAC_FLAG_EC)
905 	for (row = 0; row < mci->nr_csrows; row++) {
906 		struct csrow_info *csi = mci->csrows[row];
938 			ppc4xx_edac_mc_printk(KERN_ERR, mci,
977  * @mci: A pointer to the EDAC memory controller instance being
993 static int ppc4xx_edac_mc_init(struct mem_ctl_info *mci,
1007 	mci->pdev		= &op->dev;
1009 	dev_set_drvdata(mci->pdev, mci);
1011 	pdata			= mci->pvt_info;
1017 	mci->mtype_cap		= (MEM_FLAG_DDR | MEM_FLAG_RDDR |
1020 	mci->edac_ctl_cap	= (EDAC_FLAG_NONE |
1024 	mci->scrub_cap		= SCRUB_NONE;
1025 	mci->scrub_mode		= SCRUB_NONE;
1034 		mci->edac_cap	= EDAC_FLAG_EC;
1037 		mci->edac_cap	= (EDAC_FLAG_EC | EDAC_FLAG_SECDED);
1038 		mci->scrub_mode	= SCRUB_SW_SRC;
1041 		mci->edac_cap	= EDAC_FLAG_NONE;
1047 	mci->mod_name		= PPC4XX_EDAC_MODULE_NAME;
1048 	mci->ctl_name		= ppc4xx_edac_match->compatible;
1049 	mci->dev_name		= np->full_name;
1053 	mci->edac_check		= ppc4xx_edac_check;
1054 	mci->ctl_page_to_phys	= NULL;
1058 	status = ppc4xx_edac_init_csrows(mci, mcopt1);
1061 		ppc4xx_edac_mc_printk(KERN_ERR, mci,
1071  * @mci: A pointer to the EDAC memory controller instance
1083 				    struct mem_ctl_info *mci)
1087 	struct ppc4xx_edac_pdata *pdata = mci->pvt_info;
1094 		ppc4xx_edac_mc_printk(KERN_ERR, mci,
1104 			     mci);
1107 		ppc4xx_edac_mc_printk(KERN_ERR, mci,
1118 			     mci);
1121 		ppc4xx_edac_mc_printk(KERN_ERR, mci,
1128 	ppc4xx_edac_mc_printk(KERN_INFO, mci, "ECCDED irq is %d\n", ded_irq);
1129 	ppc4xx_edac_mc_printk(KERN_INFO, mci, "ECCSEC irq is %d\n", sec_irq);
1137 	free_irq(sec_irq, mci);
1140 	free_irq(ded_irq, mci);
1215 	struct mem_ctl_info *mci = NULL;
1268 	mci = edac_mc_alloc(ppc4xx_edac_instance, ARRAY_SIZE(layers), layers,
1270 	if (mci == NULL) {
1278 	status = ppc4xx_edac_mc_init(mci, op, &dcr_host, mcopt1);
1281 		ppc4xx_edac_mc_printk(KERN_ERR, mci,
1292 	if (edac_mc_add_mc(mci)) {
1293 		ppc4xx_edac_mc_printk(KERN_ERR, mci,
1300 		status = ppc4xx_edac_register_irq(op, mci);
1311 	edac_mc_del_mc(mci->pdev);
1314 	edac_mc_free(mci);
1334 	struct mem_ctl_info *mci = dev_get_drvdata(&op->dev);
1335 	struct ppc4xx_edac_pdata *pdata = mci->pvt_info;
1338 		free_irq(pdata->irqs.sec, mci);
1339 		free_irq(pdata->irqs.ded, mci);
1344 	edac_mc_del_mc(mci->pdev);
1345 	edac_mc_free(mci);