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/*
* Copyright (c) 2008 Nuovation System Designs, LLC
* Grant Erickson <gerickson@nuovations.com>
*
* This file defines processor mnemonics for accessing and managing
* the IBM DDR1/DDR2 ECC controller found in the 405EX[r], 440SP,
* 440SPe, 460EX, 460GT and 460SX.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the
* License.
*
*/
#ifndef __PPC4XX_EDAC_H
#define __PPC4XX_EDAC_H
#include <linux/types.h>
/*
* Macro for generating register field mnemonics
*/
#define PPC_REG_BITS 32
#define PPC_REG_VAL(bit, val) ((val) << ((PPC_REG_BITS - 1) - (bit)))
#define PPC_REG_DECODE(bit, val) ((val) >> ((PPC_REG_BITS - 1) - (bit)))
/*
* IBM 4xx DDR1/DDR2 SDRAM memory controller registers (at least those
* relevant to ECC)
*/
#define SDRAM_BESR 0x00 /* Error status (read/clear) */
#define SDRAM_BESRT 0x01 /* Error statuss (test/set) */
#define SDRAM_BEARL 0x02 /* Error address low */
#define SDRAM_BEARH 0x03 /* Error address high */
#define SDRAM_WMIRQ 0x06 /* Write master (read/clear) */
#define SDRAM_WMIRQT 0x07 /* Write master (test/set) */
#define SDRAM_MCOPT1 0x20 /* Controller options 1 */
#define SDRAM_MBXCF_BASE 0x40 /* Bank n configuration base */
#define SDRAM_MBXCF(n) (SDRAM_MBXCF_BASE + (4 * (n)))
#define SDRAM_MB0CF SDRAM_MBXCF(0)
#define SDRAM_MB1CF SDRAM_MBXCF(1)
#define SDRAM_MB2CF SDRAM_MBXCF(2)
#define SDRAM_MB3CF SDRAM_MBXCF(3)
#define SDRAM_ECCCR 0x98 /* ECC error status */
#define SDRAM_ECCES SDRAM_ECCCR
/*
* PLB Master IDs
*/
#define SDRAM_PLB_M0ID_FIRST 0
#define SDRAM_PLB_M0ID_ICU SDRAM_PLB_M0ID_FIRST
#define SDRAM_PLB_M0ID_PCIE0 1
#define SDRAM_PLB_M0ID_PCIE1 2
#define SDRAM_PLB_M0ID_DMA 3
#define SDRAM_PLB_M0ID_DCU 4
#define SDRAM_PLB_M0ID_OPB 5
#define SDRAM_PLB_M0ID_MAL 6
#define SDRAM_PLB_M0ID_SEC 7
#define SDRAM_PLB_M0ID_AHB 8
#define SDRAM_PLB_M0ID_LAST SDRAM_PLB_M0ID_AHB
#define SDRAM_PLB_M0ID_COUNT (SDRAM_PLB_M0ID_LAST - \
SDRAM_PLB_M0ID_FIRST + 1)
/*
* Memory Controller Bus Error Status Register
*/
#define SDRAM_BESR_MASK PPC_REG_VAL(7, 0xFF)
#define SDRAM_BESR_M0ID_MASK PPC_REG_VAL(3, 0xF)
#define SDRAM_BESR_M0ID_DECODE(n) PPC_REG_DECODE(3, n)
#define SDRAM_BESR_M0ID_ICU PPC_REG_VAL(3, SDRAM_PLB_M0ID_ICU)
#define SDRAM_BESR_M0ID_PCIE0 PPC_REG_VAL(3, SDRAM_PLB_M0ID_PCIE0)
#define SDRAM_BESR_M0ID_PCIE1 PPC_REG_VAL(3, SDRAM_PLB_M0ID_PCIE1)
#define SDRAM_BESR_M0ID_DMA PPC_REG_VAL(3, SDRAM_PLB_M0ID_DMA)
#define SDRAM_BESR_M0ID_DCU PPC_REG_VAL(3, SDRAM_PLB_M0ID_DCU)
#define SDRAM_BESR_M0ID_OPB PPC_REG_VAL(3, SDRAM_PLB_M0ID_OPB)
#define SDRAM_BESR_M0ID_MAL PPC_REG_VAL(3, SDRAM_PLB_M0ID_MAL)
#define SDRAM_BESR_M0ID_SEC PPC_REG_VAL(3, SDRAM_PLB_M0ID_SEC)
#define SDRAM_BESR_M0ID_AHB PPC_REG_VAL(3, SDRAM_PLB_M0ID_AHB)
#define SDRAM_BESR_M0ET_MASK PPC_REG_VAL(6, 0x7)
#define SDRAM_BESR_M0ET_NONE PPC_REG_VAL(6, 0)
#define SDRAM_BESR_M0ET_ECC PPC_REG_VAL(6, 1)
#define SDRAM_BESR_M0RW_MASK PPC_REG_VAL(7, 1)
#define SDRAM_BESR_M0RW_WRITE PPC_REG_VAL(7, 0)
#define SDRAM_BESR_M0RW_READ PPC_REG_VAL(7, 1)
/*
* Memory Controller PLB Write Master Interrupt Register
*/
#define SDRAM_WMIRQ_MASK PPC_REG_VAL(8, 0x1FF)
#define SDRAM_WMIRQ_ENCODE(id) PPC_REG_VAL((id % \
SDRAM_PLB_M0ID_COUNT), 1)
#define SDRAM_WMIRQ_ICU PPC_REG_VAL(SDRAM_PLB_M0ID_ICU, 1)
#define SDRAM_WMIRQ_PCIE0 PPC_REG_VAL(SDRAM_PLB_M0ID_PCIE0, 1)
#define SDRAM_WMIRQ_PCIE1 PPC_REG_VAL(SDRAM_PLB_M0ID_PCIE1, 1)
#define SDRAM_WMIRQ_DMA PPC_REG_VAL(SDRAM_PLB_M0ID_DMA, 1)
#define SDRAM_WMIRQ_DCU PPC_REG_VAL(SDRAM_PLB_M0ID_DCU, 1)
#define SDRAM_WMIRQ_OPB PPC_REG_VAL(SDRAM_PLB_M0ID_OPB, 1)
#define SDRAM_WMIRQ_MAL PPC_REG_VAL(SDRAM_PLB_M0ID_MAL, 1)
#define SDRAM_WMIRQ_SEC PPC_REG_VAL(SDRAM_PLB_M0ID_SEC, 1)
#define SDRAM_WMIRQ_AHB PPC_REG_VAL(SDRAM_PLB_M0ID_AHB, 1)
/*
* Memory Controller Options 1 Register
*/
#define SDRAM_MCOPT1_MCHK_MASK PPC_REG_VAL(3, 0x3) /* ECC mask */
#define SDRAM_MCOPT1_MCHK_NON PPC_REG_VAL(3, 0x0) /* No ECC gen */
#define SDRAM_MCOPT1_MCHK_GEN PPC_REG_VAL(3, 0x2) /* ECC gen */
#define SDRAM_MCOPT1_MCHK_CHK PPC_REG_VAL(3, 0x1) /* ECC gen and chk */
#define SDRAM_MCOPT1_MCHK_CHK_REP PPC_REG_VAL(3, 0x3) /* ECC gen/chk/rpt */
#define SDRAM_MCOPT1_MCHK_DECODE(n) ((((u32)(n)) >> 28) & 0x3)
#define SDRAM_MCOPT1_RDEN_MASK PPC_REG_VAL(4, 0x1) /* Rgstrd DIMM mask */
#define SDRAM_MCOPT1_RDEN PPC_REG_VAL(4, 0x1) /* Rgstrd DIMM enbl */
#define SDRAM_MCOPT1_WDTH_MASK PPC_REG_VAL(7, 0x1) /* Width mask */
#define SDRAM_MCOPT1_WDTH_32 PPC_REG_VAL(7, 0x0) /* 32 bits */
#define SDRAM_MCOPT1_WDTH_16 PPC_REG_VAL(7, 0x1) /* 16 bits */
#define SDRAM_MCOPT1_DDR_TYPE_MASK PPC_REG_VAL(11, 0x1) /* DDR type mask */
#define SDRAM_MCOPT1_DDR1_TYPE PPC_REG_VAL(11, 0x0) /* DDR1 type */
#define SDRAM_MCOPT1_DDR2_TYPE PPC_REG_VAL(11, 0x1) /* DDR2 type */
/*
* Memory Bank 0 - n Configuration Register
*/
#define SDRAM_MBCF_BA_MASK PPC_REG_VAL(12, 0x1FFF)
#define SDRAM_MBCF_SZ_MASK PPC_REG_VAL(19, 0xF)
#define SDRAM_MBCF_SZ_DECODE(mbxcf) PPC_REG_DECODE(19, mbxcf)
#define SDRAM_MBCF_SZ_4MB PPC_REG_VAL(19, 0x0)
#define SDRAM_MBCF_SZ_8MB PPC_REG_VAL(19, 0x1)
#define SDRAM_MBCF_SZ_16MB PPC_REG_VAL(19, 0x2)
#define SDRAM_MBCF_SZ_32MB PPC_REG_VAL(19, 0x3)
#define SDRAM_MBCF_SZ_64MB PPC_REG_VAL(19, 0x4)
#define SDRAM_MBCF_SZ_128MB PPC_REG_VAL(19, 0x5)
#define SDRAM_MBCF_SZ_256MB PPC_REG_VAL(19, 0x6)
#define SDRAM_MBCF_SZ_512MB PPC_REG_VAL(19, 0x7)
#define SDRAM_MBCF_SZ_1GB PPC_REG_VAL(19, 0x8)
#define SDRAM_MBCF_SZ_2GB PPC_REG_VAL(19, 0x9)
#define SDRAM_MBCF_SZ_4GB PPC_REG_VAL(19, 0xA)
#define SDRAM_MBCF_SZ_8GB PPC_REG_VAL(19, 0xB)
#define SDRAM_MBCF_AM_MASK PPC_REG_VAL(23, 0xF)
#define SDRAM_MBCF_AM_MODE0 PPC_REG_VAL(23, 0x0)
#define SDRAM_MBCF_AM_MODE1 PPC_REG_VAL(23, 0x1)
#define SDRAM_MBCF_AM_MODE2 PPC_REG_VAL(23, 0x2)
#define SDRAM_MBCF_AM_MODE3 PPC_REG_VAL(23, 0x3)
#define SDRAM_MBCF_AM_MODE4 PPC_REG_VAL(23, 0x4)
#define SDRAM_MBCF_AM_MODE5 PPC_REG_VAL(23, 0x5)
#define SDRAM_MBCF_AM_MODE6 PPC_REG_VAL(23, 0x6)
#define SDRAM_MBCF_AM_MODE7 PPC_REG_VAL(23, 0x7)
#define SDRAM_MBCF_AM_MODE8 PPC_REG_VAL(23, 0x8)
#define SDRAM_MBCF_AM_MODE9 PPC_REG_VAL(23, 0x9)
#define SDRAM_MBCF_BE_MASK PPC_REG_VAL(31, 0x1)
#define SDRAM_MBCF_BE_DISABLE PPC_REG_VAL(31, 0x0)
#define SDRAM_MBCF_BE_ENABLE PPC_REG_VAL(31, 0x1)
/*
* ECC Error Status
*/
#define SDRAM_ECCES_MASK PPC_REG_VAL(21, 0x3FFFFF)
#define SDRAM_ECCES_BNCE_MASK PPC_REG_VAL(15, 0xFFFF)
#define SDRAM_ECCES_BNCE_ENCODE(lane) PPC_REG_VAL(((lane) & 0xF), 1)
#define SDRAM_ECCES_CKBER_MASK PPC_REG_VAL(17, 0x3)
#define SDRAM_ECCES_CKBER_NONE PPC_REG_VAL(17, 0)
#define SDRAM_ECCES_CKBER_16_ECC_0_3 PPC_REG_VAL(17, 2)
#define SDRAM_ECCES_CKBER_32_ECC_0_3 PPC_REG_VAL(17, 1)
#define SDRAM_ECCES_CKBER_32_ECC_4_8 PPC_REG_VAL(17, 2)
#define SDRAM_ECCES_CKBER_32_ECC_0_8 PPC_REG_VAL(17, 3)
#define SDRAM_ECCES_CE PPC_REG_VAL(18, 1)
#define SDRAM_ECCES_UE PPC_REG_VAL(19, 1)
#define SDRAM_ECCES_BKNER_MASK PPC_REG_VAL(21, 0x3)
#define SDRAM_ECCES_BK0ER PPC_REG_VAL(20, 1)
#define SDRAM_ECCES_BK1ER PPC_REG_VAL(21, 1)
#endif /* __PPC4XX_EDAC_H */
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