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Release 4.14 arch/powerpc/include/asm/dcr-regs.h

/* 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__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Stefan Roese26750.76%116.67%
Benjamin Herrenschmidt17332.89%116.67%
Anatolij Gustschin5410.27%116.67%
Josh Boyer213.99%116.67%
Victor Gallardo101.90%116.67%
Greg Kroah-Hartman10.19%116.67%
Total526100.00%6100.00%
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