arch/powerpc/include/asm/dcr-regs.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Common DCR / SDR / CPR register definitions used on various IBM/AMCC
   4  * 4xx processors
   5  *
   6  *    Copyright 2007 Benjamin Herrenschmidt, IBM Corp
   7  *                   <benh@kernel.crashing.org>
   8  *
   9  * Mostly lifted from asm-ppc/ibm4xx.h by
  10  *
  11  *    Copyright (c) 1999 Grant Erickson <grant@lcse.umn.edu>
  12  *
  13  */
  14
  15 #ifndef __DCR_REGS_H__
  16 #define __DCR_REGS_H__
  17
  18 /*
  19  * Most DCRs used for controlling devices such as the MAL, DMA engine,
  20  * etc... are obtained for the device tree.
  21  *
  22  * The definitions in this files are fixed DCRs and indirect DCRs that
  23  * are commonly used outside of specific drivers or refer to core
  24  * common registers that may occasionally have to be tweaked outside
  25  * of the driver main register set
  26  */
  27
  28 /* CPRs (440GX and 440SP/440SPe) */
  29 #define DCRN_CPR0_CONFIG_ADDR   0xc
  30 #define DCRN_CPR0_CONFIG_DATA   0xd
  31
  32 /* SDRs (440GX and 440SP/440SPe) */
  33 #define DCRN_SDR0_CONFIG_ADDR   0xe
  34 #define DCRN_SDR0_CONFIG_DATA   0xf
  35
  36 #define SDR0_PFC0               0x4100
  37 #define SDR0_PFC1               0x4101
  38 #define SDR0_PFC1_EPS           0x1c00000
  39 #define SDR0_PFC1_EPS_SHIFT     22
  40 #define SDR0_PFC1_RMII          0x02000000
  41 #define SDR0_MFR                0x4300
  42 #define SDR0_MFR_TAH0           0x80000000      /* TAHOE0 Enable */
  43 #define SDR0_MFR_TAH1           0x40000000      /* TAHOE1 Enable */
  44 #define SDR0_MFR_PCM            0x10000000      /* PPC440GP irq compat mode */
  45 #define SDR0_MFR_ECS            0x08000000      /* EMAC int clk */
  46 #define SDR0_MFR_T0TXFL         0x00080000
  47 #define SDR0_MFR_T0TXFH         0x00040000
  48 #define SDR0_MFR_T1TXFL         0x00020000
  49 #define SDR0_MFR_T1TXFH         0x00010000
  50 #define SDR0_MFR_E0TXFL         0x00008000
  51 #define SDR0_MFR_E0TXFH         0x00004000
  52 #define SDR0_MFR_E0RXFL         0x00002000
  53 #define SDR0_MFR_E0RXFH         0x00001000
  54 #define SDR0_MFR_E1TXFL         0x00000800
  55 #define SDR0_MFR_E1TXFH         0x00000400
  56 #define SDR0_MFR_E1RXFL         0x00000200
  57 #define SDR0_MFR_E1RXFH         0x00000100
  58 #define SDR0_MFR_E2TXFL         0x00000080
  59 #define SDR0_MFR_E2TXFH         0x00000040
  60 #define SDR0_MFR_E2RXFL         0x00000020
  61 #define SDR0_MFR_E2RXFH         0x00000010
  62 #define SDR0_MFR_E3TXFL         0x00000008
  63 #define SDR0_MFR_E3TXFH         0x00000004
  64 #define SDR0_MFR_E3RXFL         0x00000002
  65 #define SDR0_MFR_E3RXFH         0x00000001
  66 #define SDR0_UART0              0x0120
  67 #define SDR0_UART1              0x0121
  68 #define SDR0_UART2              0x0122
  69 #define SDR0_UART3              0x0123
  70 #define SDR0_CUST0              0x4000
  71
  72 /* SDR for 405EZ */
  73 #define DCRN_SDR_ICINTSTAT      0x4510
  74 #define ICINTSTAT_ICRX  0x80000000
  75 #define ICINTSTAT_ICTX0 0x40000000
  76 #define ICINTSTAT_ICTX1 0x20000000
  77 #define ICINTSTAT_ICTX  0x60000000
  78
  79 /* SDRs (460EX/460GT) */
  80 #define SDR0_ETH_CFG            0x4103
  81 #define SDR0_ETH_CFG_ECS        0x00000100      /* EMAC int clk source */
  82
  83 /*
  84  * All those DCR register addresses are offsets from the base address
  85  * for the SRAM0 controller (e.g. 0x20 on 440GX). The base address is
  86  * excluded here and configured in the device tree.
  87  */
  88 #define DCRN_SRAM0_SB0CR        0x00
  89 #define DCRN_SRAM0_SB1CR        0x01
  90 #define DCRN_SRAM0_SB2CR        0x02
  91 #define DCRN_SRAM0_SB3CR        0x03
  92 #define  SRAM_SBCR_BU_MASK      0x00000180
  93 #define  SRAM_SBCR_BS_64KB      0x00000800
  94 #define  SRAM_SBCR_BU_RO        0x00000080
  95 #define  SRAM_SBCR_BU_RW        0x00000180
  96 #define DCRN_SRAM0_BEAR         0x04
  97 #define DCRN_SRAM0_BESR0        0x05
  98 #define DCRN_SRAM0_BESR1        0x06
  99 #define DCRN_SRAM0_PMEG         0x07
 100 #define DCRN_SRAM0_CID          0x08
 101 #define DCRN_SRAM0_REVID        0x09
 102 #define DCRN_SRAM0_DPC          0x0a
 103 #define  SRAM_DPC_ENABLE        0x80000000
 104
 105 /*
 106  * All those DCR register addresses are offsets from the base address
 107  * for the SRAM0 controller (e.g. 0x30 on 440GX). The base address is
 108  * excluded here and configured in the device tree.
 109  */
 110 #define DCRN_L2C0_CFG           0x00
 111 #define  L2C_CFG_L2M            0x80000000
 112 #define  L2C_CFG_ICU            0x40000000
 113 #define  L2C_CFG_DCU            0x20000000
 114 #define  L2C_CFG_DCW_MASK       0x1e000000
 115 #define  L2C_CFG_TPC            0x01000000
 116 #define  L2C_CFG_CPC            0x00800000
 117 #define  L2C_CFG_FRAN           0x00200000
 118 #define  L2C_CFG_SS_MASK        0x00180000
 119 #define  L2C_CFG_SS_256         0x00000000
 120 #define  L2C_CFG_CPIM           0x00040000
 121 #define  L2C_CFG_TPIM           0x00020000
 122 #define  L2C_CFG_LIM            0x00010000
 123 #define  L2C_CFG_PMUX_MASK      0x00007000
 124 #define  L2C_CFG_PMUX_SNP       0x00000000
 125 #define  L2C_CFG_PMUX_IF        0x00001000
 126 #define  L2C_CFG_PMUX_DF        0x00002000
 127 #define  L2C_CFG_PMUX_DS        0x00003000
 128 #define  L2C_CFG_PMIM           0x00000800
 129 #define  L2C_CFG_TPEI           0x00000400
 130 #define  L2C_CFG_CPEI           0x00000200
 131 #define  L2C_CFG_NAM            0x00000100
 132 #define  L2C_CFG_SMCM           0x00000080
 133 #define  L2C_CFG_NBRM           0x00000040
 134 #define  L2C_CFG_RDBW           0x00000008      /* only 460EX/GT */
 135 #define DCRN_L2C0_CMD           0x01
 136 #define  L2C_CMD_CLR            0x80000000
 137 #define  L2C_CMD_DIAG           0x40000000
 138 #define  L2C_CMD_INV            0x20000000
 139 #define  L2C_CMD_CCP            0x10000000
 140 #define  L2C_CMD_CTE            0x08000000
 141 #define  L2C_CMD_STRC           0x04000000
 142 #define  L2C_CMD_STPC           0x02000000
 143 #define  L2C_CMD_RPMC           0x01000000
 144 #define  L2C_CMD_HCC            0x00800000
 145 #define DCRN_L2C0_ADDR          0x02
 146 #define DCRN_L2C0_DATA          0x03
 147 #define DCRN_L2C0_SR            0x04
 148 #define  L2C_SR_CC              0x80000000
 149 #define  L2C_SR_CPE             0x40000000
 150 #define  L2C_SR_TPE             0x20000000
 151 #define  L2C_SR_LRU             0x10000000
 152 #define  L2C_SR_PCS             0x08000000
 153 #define DCRN_L2C0_REVID         0x05
 154 #define DCRN_L2C0_SNP0          0x06
 155 #define DCRN_L2C0_SNP1          0x07
 156 #define  L2C_SNP_BA_MASK        0xffff0000
 157 #define  L2C_SNP_SSR_MASK       0x0000f000
 158 #define  L2C_SNP_SSR_32G        0x0000f000
 159 #define  L2C_SNP_ESR            0x00000800
 160
 161 /*
 162  * DCR register offsets for 440SP/440SPe I2O/DMA controller.
 163  * The base address is configured in the device tree.
 164  */
 165 #define DCRN_I2O0_IBAL          0x006
 166 #define DCRN_I2O0_IBAH          0x007
 167 #define I2O_REG_ENABLE          0x00000001      /* Enable I2O/DMA access */
 168
 169 /* 440SP/440SPe Software Reset DCR */
 170 #define DCRN_SDR0_SRST          0x0200
 171 #define DCRN_SDR0_SRST_I2ODMA   (0x80000000 >> 15)      /* Reset I2O/DMA */
 172
 173 /* 440SP/440SPe Memory Queue DCR offsets */
 174 #define DCRN_MQ0_XORBA          0x04
 175 #define DCRN_MQ0_CF2H           0x06
 176 #define DCRN_MQ0_CFBHL          0x0f
 177 #define DCRN_MQ0_BAUH           0x10
 178
 179 /* HB/LL Paths Configuration Register */
 180 #define MQ0_CFBHL_TPLM          28
 181 #define MQ0_CFBHL_HBCL          23
 182 #define MQ0_CFBHL_POLY          15
 183
 184 #endif /* __DCR_REGS_H__ */