/* SPDX-License-Identifier: GPL-2.0 */ /* * Common DCR / SDR / CPR register definitions used on various IBM/AMCC * 4xx processors * * Copyright 2007 Benjamin Herrenschmidt, IBM Corp * <benh@kernel.crashing.org> * * Mostly lifted from asm-ppc/ibm4xx.h by * * Copyright (c) 1999 Grant Erickson <grant@lcse.umn.edu> * */ #ifndef __DCR_REGS_H__ #define __DCR_REGS_H__ /* * Most DCRs used for controlling devices such as the MAL, DMA engine, * etc... are obtained for the device tree. * * The definitions in this files are fixed DCRs and indirect DCRs that * are commonly used outside of specific drivers or refer to core * common registers that may occasionally have to be tweaked outside * of the driver main register set */ /* CPRs (440GX and 440SP/440SPe) */ #define DCRN_CPR0_CONFIG_ADDR 0xc #define DCRN_CPR0_CONFIG_DATA 0xd /* SDRs (440GX and 440SP/440SPe) */ #define DCRN_SDR0_CONFIG_ADDR 0xe #define DCRN_SDR0_CONFIG_DATA 0xf #define SDR0_PFC0 0x4100 #define SDR0_PFC1 0x4101 #define SDR0_PFC1_EPS 0x1c00000 #define SDR0_PFC1_EPS_SHIFT 22 #define SDR0_PFC1_RMII 0x02000000 #define SDR0_MFR 0x4300 #define SDR0_MFR_TAH0 0x80000000 /* TAHOE0 Enable */ #define SDR0_MFR_TAH1 0x40000000 /* TAHOE1 Enable */ #define SDR0_MFR_PCM 0x10000000 /* PPC440GP irq compat mode */ #define SDR0_MFR_ECS 0x08000000 /* EMAC int clk */ #define SDR0_MFR_T0TXFL 0x00080000 #define SDR0_MFR_T0TXFH 0x00040000 #define SDR0_MFR_T1TXFL 0x00020000 #define SDR0_MFR_T1TXFH 0x00010000 #define SDR0_MFR_E0TXFL 0x00008000 #define SDR0_MFR_E0TXFH 0x00004000 #define SDR0_MFR_E0RXFL 0x00002000 #define SDR0_MFR_E0RXFH 0x00001000 #define SDR0_MFR_E1TXFL 0x00000800 #define SDR0_MFR_E1TXFH 0x00000400 #define SDR0_MFR_E1RXFL 0x00000200 #define SDR0_MFR_E1RXFH 0x00000100 #define SDR0_MFR_E2TXFL 0x00000080 #define SDR0_MFR_E2TXFH 0x00000040 #define SDR0_MFR_E2RXFL 0x00000020 #define SDR0_MFR_E2RXFH 0x00000010 #define SDR0_MFR_E3TXFL 0x00000008 #define SDR0_MFR_E3TXFH 0x00000004 #define SDR0_MFR_E3RXFL 0x00000002 #define SDR0_MFR_E3RXFH 0x00000001 #define SDR0_UART0 0x0120 #define SDR0_UART1 0x0121 #define SDR0_UART2 0x0122 #define SDR0_UART3 0x0123 #define SDR0_CUST0 0x4000 /* SDR for 405EZ */ #define DCRN_SDR_ICINTSTAT 0x4510 #define ICINTSTAT_ICRX 0x80000000 #define ICINTSTAT_ICTX0 0x40000000 #define ICINTSTAT_ICTX1 0x20000000 #define ICINTSTAT_ICTX 0x60000000 /* SDRs (460EX/460GT) */ #define SDR0_ETH_CFG 0x4103 #define SDR0_ETH_CFG_ECS 0x00000100 /* EMAC int clk source */ /* * All those DCR register addresses are offsets from the base address * for the SRAM0 controller (e.g. 0x20 on 440GX). The base address is * excluded here and configured in the device tree. */ #define DCRN_SRAM0_SB0CR 0x00 #define DCRN_SRAM0_SB1CR 0x01 #define DCRN_SRAM0_SB2CR 0x02 #define DCRN_SRAM0_SB3CR 0x03 #define SRAM_SBCR_BU_MASK 0x00000180 #define SRAM_SBCR_BS_64KB 0x00000800 #define SRAM_SBCR_BU_RO 0x00000080 #define SRAM_SBCR_BU_RW 0x00000180 #define DCRN_SRAM0_BEAR 0x04 #define DCRN_SRAM0_BESR0 0x05 #define DCRN_SRAM0_BESR1 0x06 #define DCRN_SRAM0_PMEG 0x07 #define DCRN_SRAM0_CID 0x08 #define DCRN_SRAM0_REVID 0x09 #define DCRN_SRAM0_DPC 0x0a #define SRAM_DPC_ENABLE 0x80000000 /* * All those DCR register addresses are offsets from the base address * for the SRAM0 controller (e.g. 0x30 on 440GX). The base address is * excluded here and configured in the device tree. */ #define DCRN_L2C0_CFG 0x00 #define L2C_CFG_L2M 0x80000000 #define L2C_CFG_ICU 0x40000000 #define L2C_CFG_DCU 0x20000000 #define L2C_CFG_DCW_MASK 0x1e000000 #define L2C_CFG_TPC 0x01000000 #define L2C_CFG_CPC 0x00800000 #define L2C_CFG_FRAN 0x00200000 #define L2C_CFG_SS_MASK 0x00180000 #define L2C_CFG_SS_256 0x00000000 #define L2C_CFG_CPIM 0x00040000 #define L2C_CFG_TPIM 0x00020000 #define L2C_CFG_LIM 0x00010000 #define L2C_CFG_PMUX_MASK 0x00007000 #define L2C_CFG_PMUX_SNP 0x00000000 #define L2C_CFG_PMUX_IF 0x00001000 #define L2C_CFG_PMUX_DF 0x00002000 #define L2C_CFG_PMUX_DS 0x00003000 #define L2C_CFG_PMIM 0x00000800 #define L2C_CFG_TPEI 0x00000400 #define L2C_CFG_CPEI 0x00000200 #define L2C_CFG_NAM 0x00000100 #define L2C_CFG_SMCM 0x00000080 #define L2C_CFG_NBRM 0x00000040 #define L2C_CFG_RDBW 0x00000008 /* only 460EX/GT */ #define DCRN_L2C0_CMD 0x01 #define L2C_CMD_CLR 0x80000000 #define L2C_CMD_DIAG 0x40000000 #define L2C_CMD_INV 0x20000000 #define L2C_CMD_CCP 0x10000000 #define L2C_CMD_CTE 0x08000000 #define L2C_CMD_STRC 0x04000000 #define L2C_CMD_STPC 0x02000000 #define L2C_CMD_RPMC 0x01000000 #define L2C_CMD_HCC 0x00800000 #define DCRN_L2C0_ADDR 0x02 #define DCRN_L2C0_DATA 0x03 #define DCRN_L2C0_SR 0x04 #define L2C_SR_CC 0x80000000 #define L2C_SR_CPE 0x40000000 #define L2C_SR_TPE 0x20000000 #define L2C_SR_LRU 0x10000000 #define L2C_SR_PCS 0x08000000 #define DCRN_L2C0_REVID 0x05 #define DCRN_L2C0_SNP0 0x06 #define DCRN_L2C0_SNP1 0x07 #define L2C_SNP_BA_MASK 0xffff0000 #define L2C_SNP_SSR_MASK 0x0000f000 #define L2C_SNP_SSR_32G 0x0000f000 #define L2C_SNP_ESR 0x00000800 /* * DCR register offsets for 440SP/440SPe I2O/DMA controller. * The base address is configured in the device tree. */ #define DCRN_I2O0_IBAL 0x006 #define DCRN_I2O0_IBAH 0x007 #define I2O_REG_ENABLE 0x00000001 /* Enable I2O/DMA access */ /* 440SP/440SPe Software Reset DCR */ #define DCRN_SDR0_SRST 0x0200 #define DCRN_SDR0_SRST_I2ODMA (0x80000000 >> 15) /* Reset I2O/DMA */ /* 440SP/440SPe Memory Queue DCR offsets */ #define DCRN_MQ0_XORBA 0x04 #define DCRN_MQ0_CF2H 0x06 #define DCRN_MQ0_CFBHL 0x0f #define DCRN_MQ0_BAUH 0x10 /* HB/LL Paths Configuration Register */ #define MQ0_CFBHL_TPLM 28 #define MQ0_CFBHL_HBCL 23 #define MQ0_CFBHL_POLY 15 #endif /* __DCR_REGS_H__ */