drivers/edac/ppc4xx_edac.c

29  * associated with the IMB DDR2 ECC controller found in the AMCC/IBM
32  * As realized in the 405EX[r], this controller features:
47  * As realized in the 440SP and 440SPe, this controller changes/adds:
60  * As realized in the 460EX and 460GT, this controller changes/adds:
74  * At present, this driver has ONLY been tested against the controller
81  * other realizations of this controller listed above.
84  * realizations of this controller as well as broken apart to handle
92  * For this controller, unfortunately, correctable errors report
163  * PPC4xx SDRAM memory controller private instance data
215  * set based on the aforementioned variant controller realizations.
237  * mfsdram - read and return controller register data
242  * controller's specified indirect DCR register.
255  * mtsdram - write controller register data
260  * This routine writes the provided data to the controller's specified
300  * @mci: A pointer to the EDAC memory controller instance associated
362  * @mci: A pointer to the EDAC memory controller instance associated
420  * @mci: A pointer to the EDAC memory controller instance associated
485  * @mci: A pointer to the EDAC memory controller instance associated
541  * @mci: A pointer to the EDAC memory controller instance associated
586  * @mci: A pointer to the EDAC memory controller instance associated
621  * ppc4xx_ecc_dump_status - dump controller ECC status registers
622  * @mci: A pointer to the EDAC memory controller instance
655  * ppc4xx_ecc_get_status - get controller ECC status
656  * @mci: A pointer to the EDAC memory controller instance
682  * ppc4xx_ecc_clear_status - clear controller ECC status
683  * @mci: A pointer to the EDAC memory controller instance
707  * ppc4xx_edac_handle_ce - handle controller correctable ECC error (CE)
708  * @mci: A pointer to the EDAC memory controller instance
713  * This routine handles an ibm,sdram-4xx-ddr2 controller ECC
734  * ppc4xx_edac_handle_ue - handle controller uncorrectable ECC error (UE)
735  * @mci: A pointer to the EDAC memory controller instance
741  * This routine handles an ibm,sdram-4xx-ddr2 controller ECC
762  * ppc4xx_edac_check - check controller for ECC errors
763  * @mci: A pointer to the EDAC memory controller instance
764  *       associated with the ibm,sdram-4xx-ddr2 controller being
798  * @dev_id: A pointer to the EDAC memory controller instance
803  * controller. It simply calls through to the same routine used during
819  * ppc4xx_edac_get_dtype - return the controller memory width
820  * @mcopt1: The 32-bit Memory Controller Option 1 register value
821  *          currently set for the controller, from which the width
825  * current controller configuration.
828  * flags or some such when other controller variants are supported as
849  * ppc4xx_edac_get_mtype - return controller memory type
850  * @mcopt1: The 32-bit Memory Controller Option 1 register value
851  *          currently set for the controller, from which the memory type
855  * current controller configuration.
876  * @mci: A pointer to the EDAC memory controller instance
877  *       associated with the ibm,sdram-4xx-ddr2 controller for which
879  * @mcopt1: The 32-bit Memory Controller Option 1 register value
880  *          currently set for the controller, from which bank width
884  * with the EDAC memory controller instance. An ibm,sdram-4xx-ddr2
885  * controller bank/rank is mapped to a row.
918 	 * 1:1 with a controller bank/rank.  in ppc4xx_edac_init_csrows()
995  * @mci: A pointer to the EDAC memory controller instance being
998  *      with the controller this EDAC instance is bound to.
1000  *            for this controller instance.
1001  * @mcopt1: The 32-bit Memory Controller Option 1 register value
1002  *          currently set for the controller, from which ECC capabilities
1005  * This routine performs initialization of the EDAC memory controller
1007  * ibm,sdram-4xx-ddr2 memory controller the instance is bound to.
1037 	/* Initialize controller capabilities and configuration */  in ppc4xx_edac_mc_init()
1091  * ppc4xx_edac_register_irq - setup and register controller interrupts
1093  *      with the controller this EDAC instance is bound to.
1094  * @mci: A pointer to the EDAC memory controller instance
1095  *       associated with the ibm,sdram-4xx-ddr2 controller for which
1100  * the associated EDAC memory controller instance.
1170  * ppc4xx_edac_map_dcrs - locate and map controller registers
1177  * register resources associated with the controller's indirect DCR
1222  * ppc4xx_edac_probe - check controller and bind driver
1224  *      with the controller being probed for driver binding.
1226  * This routine probes a specific ibm,sdram-4xx-ddr2 controller
1229  * Returns 0 if the controller instance was successfully bound to the
1242 	 * At this point, we only support the controller realized on  in ppc4xx_edac_probe()
1255 	 * can probe the controller.  in ppc4xx_edac_probe()
1266 	 * for this controller.  in ppc4xx_edac_probe()
1281 	 * controller instance and perform the appropriate  in ppc4xx_edac_probe()
1308 	 * controller. Attempt to register it with the EDAC subsystem  in ppc4xx_edac_probe()
1341  * ppc4xx_edac_remove - unbind driver from controller
1343  *      with the controller this EDAC instance is to be unbound/removed
1346  * This routine unbinds the EDAC memory controller instance associated
1347  * with the specified ibm,sdram-4xx-ddr2 controller described by the
1374  * This routine ensures that the EDAC memory controller reporting
1404  * initializes the EDAC memory controller reporting state and
1436 MODULE_DESCRIPTION("EDAC MC Driver for the PPC4xx IBM DDR2 Memory Controller");