cregit-Linux how code gets into the kernel

Release 4.7 include/linux/fsl/guts.h

/**
 * Freecale 85xx and 86xx Global Utilties register set
 *
 * Authors: Jeff Brown
 *          Timur Tabi <timur@freescale.com>
 *
 * Copyright 2004,2007,2012 Freescale Semiconductor, Inc
 *
 * 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;  either version 2 of the  License, or (at your
 * option) any later version.
 */

#ifndef __FSL_GUTS_H__

#define __FSL_GUTS_H__

#include <linux/types.h>

/**
 * Global Utility Registers.
 *
 * Not all registers defined in this structure are available on all chips, so
 * you are expected to know whether a given register actually exists on your
 * chip before you access it.
 *
 * Also, some registers are similar on different chips but have slightly
 * different names.  In these cases, one name is chosen to avoid extraneous
 * #ifdefs.
 */

struct ccsr_guts {
	
__be32	porpllsr;	/* 0x.0000 - POR PLL Ratio Status Register */
	
__be32	porbmsr;	/* 0x.0004 - POR Boot Mode Status Register */
	
__be32	porimpscr;	/* 0x.0008 - POR I/O Impedance Status and Control Register */
	
__be32	pordevsr;	/* 0x.000c - POR I/O Device Status Register */
	
__be32	pordbgmsr;	/* 0x.0010 - POR Debug Mode Status Register */
	
__be32	pordevsr2;	/* 0x.0014 - POR device status register 2 */
	
u8	res018[0x20 - 0x18];
	
__be32	porcir;		/* 0x.0020 - POR Configuration Information Register */
	
u8	res024[0x30 - 0x24];
	
__be32	gpiocr;		/* 0x.0030 - GPIO Control Register */
	
u8	res034[0x40 - 0x34];
	
__be32	gpoutdr;	/* 0x.0040 - General-Purpose Output Data Register */
	
u8	res044[0x50 - 0x44];
	
__be32	gpindr;		/* 0x.0050 - General-Purpose Input Data Register */
	
u8	res054[0x60 - 0x54];
	
__be32	pmuxcr;		/* 0x.0060 - Alternate Function Signal Multiplex Control */
        
__be32  pmuxcr2;	/* 0x.0064 - Alternate function signal multiplex control 2 */
        
__be32  dmuxcr;		/* 0x.0068 - DMA Mux Control Register */
        
u8	res06c[0x70 - 0x6c];
	
__be32	devdisr;	/* 0x.0070 - Device Disable Control */

#define CCSR_GUTS_DEVDISR_TB1	0x00001000

#define CCSR_GUTS_DEVDISR_TB0	0x00004000
	
__be32	devdisr2;	/* 0x.0074 - Device Disable Control 2 */
	
u8	res078[0x7c - 0x78];
	
__be32  pmjcr;		/* 0x.007c - 4 Power Management Jog Control Register */
	
__be32	powmgtcsr;	/* 0x.0080 - Power Management Status and Control Register */
	
__be32  pmrccr;		/* 0x.0084 - Power Management Reset Counter Configuration Register */
	
__be32  pmpdccr;	/* 0x.0088 - Power Management Power Down Counter Configuration Register */
	
__be32  pmcdr;		/* 0x.008c - 4Power management clock disable register */
	
__be32	mcpsumr;	/* 0x.0090 - Machine Check Summary Register */
	
__be32	rstrscr;	/* 0x.0094 - Reset Request Status and Control Register */
	
__be32  ectrstcr;	/* 0x.0098 - Exception reset control register */
	
__be32  autorstsr;	/* 0x.009c - Automatic reset status register */
	
__be32	pvr;		/* 0x.00a0 - Processor Version Register */
	
__be32	svr;		/* 0x.00a4 - System Version Register */
	
u8	res0a8[0xb0 - 0xa8];
	
__be32	rstcr;		/* 0x.00b0 - Reset Control Register */
	
u8	res0b4[0xc0 - 0xb4];
	
__be32  iovselsr;	/* 0x.00c0 - I/O voltage select status register
                                             Called 'elbcvselcr' on 86xx SOCs */
	
u8	res0c4[0x100 - 0xc4];
	
__be32	rcwsr[16];	/* 0x.0100 - Reset Control Word Status registers
                                             There are 16 registers */
	
u8	res140[0x224 - 0x140];
	
__be32  iodelay1;	/* 0x.0224 - IO delay control register 1 */
	
__be32  iodelay2;	/* 0x.0228 - IO delay control register 2 */
	
u8	res22c[0x604 - 0x22c];
	
__be32	pamubypenr; 	/* 0x.604 - PAMU bypass enable register */
	
u8	res608[0x800 - 0x608];
	
__be32	clkdvdr;	/* 0x.0800 - Clock Divide Register */
	
u8	res804[0x900 - 0x804];
	
__be32	ircr;		/* 0x.0900 - Infrared Control Register */
	
u8	res904[0x908 - 0x904];
	
__be32	dmacr;		/* 0x.0908 - DMA Control Register */
	
u8	res90c[0x914 - 0x90c];
	
__be32	elbccr;		/* 0x.0914 - eLBC Control Register */
	
u8	res918[0xb20 - 0x918];
	
__be32	ddr1clkdr;	/* 0x.0b20 - DDR1 Clock Disable Register */
	
__be32	ddr2clkdr;	/* 0x.0b24 - DDR2 Clock Disable Register */
	
__be32	ddrclkdr;	/* 0x.0b28 - DDR Clock Disable Register */
	
u8	resb2c[0xe00 - 0xb2c];
	
__be32	clkocr;		/* 0x.0e00 - Clock Out Select Register */
	
u8	rese04[0xe10 - 0xe04];
	
__be32	ddrdllcr;	/* 0x.0e10 - DDR DLL Control Register */
	
u8	rese14[0xe20 - 0xe14];
	
__be32	lbcdllcr;	/* 0x.0e20 - LBC DLL Control Register */
	
__be32  cpfor;		/* 0x.0e24 - L2 charge pump fuse override register */
	
u8	rese28[0xf04 - 0xe28];
	
__be32	srds1cr0;	/* 0x.0f04 - SerDes1 Control Register 0 */
	
__be32	srds1cr1;	/* 0x.0f08 - SerDes1 Control Register 0 */
	
u8	resf0c[0xf2c - 0xf0c];
	
__be32  itcr;		/* 0x.0f2c - Internal transaction control register */
	
u8	resf30[0xf40 - 0xf30];
	
__be32	srds2cr0;	/* 0x.0f40 - SerDes2 Control Register 0 */
	
__be32	srds2cr1;	/* 0x.0f44 - SerDes2 Control Register 0 */
} __attribute__ ((packed));


/* Alternate function signal multiplex control */

#define MPC85xx_PMUXCR_QE(x) (0x8000 >> (x))

#ifdef CONFIG_PPC_86xx


#define CCSR_GUTS_DMACR_DEV_SSI	0	
/* DMA controller/channel set to SSI */

#define CCSR_GUTS_DMACR_DEV_IR	1	
/* DMA controller/channel set to IR */

/*
 * Set the DMACR register in the GUTS
 *
 * The DMACR register determines the source of initiated transfers for each
 * channel on each DMA controller.  Rather than have a bunch of repetitive
 * macros for the bit patterns, we just have a function that calculates
 * them.
 *
 * guts: Pointer to GUTS structure
 * co: The DMA controller (0 or 1)
 * ch: The channel on the DMA controller (0, 1, 2, or 3)
 * device: The device to set as the source (CCSR_GUTS_DMACR_DEV_xx)
 */

static inline void guts_set_dmacr(struct ccsr_guts __iomem *guts, unsigned int co, unsigned int ch, unsigned int device) { unsigned int shift = 16 + (8 * (1 - co) + 2 * (3 - ch)); clrsetbits_be32(&guts->dmacr, 3 << shift, device << shift); }

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#define CCSR_GUTS_PMUXCR_LDPSEL 0x00010000 #define CCSR_GUTS_PMUXCR_SSI1_MASK 0x0000C000 /* Bitmask for SSI1 */ #define CCSR_GUTS_PMUXCR_SSI1_LA 0x00000000 /* Latched address */ #define CCSR_GUTS_PMUXCR_SSI1_HI 0x00004000 /* High impedance */ #define CCSR_GUTS_PMUXCR_SSI1_SSI 0x00008000 /* Used for SSI1 */ #define CCSR_GUTS_PMUXCR_SSI2_MASK 0x00003000 /* Bitmask for SSI2 */ #define CCSR_GUTS_PMUXCR_SSI2_LA 0x00000000 /* Latched address */ #define CCSR_GUTS_PMUXCR_SSI2_HI 0x00001000 /* High impedance */ #define CCSR_GUTS_PMUXCR_SSI2_SSI 0x00002000 /* Used for SSI2 */ #define CCSR_GUTS_PMUXCR_LA_22_25_LA 0x00000000 /* Latched Address */ #define CCSR_GUTS_PMUXCR_LA_22_25_HI 0x00000400 /* High impedance */ #define CCSR_GUTS_PMUXCR_DBGDRV 0x00000200 /* Signals not driven */ #define CCSR_GUTS_PMUXCR_DMA2_0 0x00000008 #define CCSR_GUTS_PMUXCR_DMA2_3 0x00000004 #define CCSR_GUTS_PMUXCR_DMA1_0 0x00000002 #define CCSR_GUTS_PMUXCR_DMA1_3 0x00000001 /* * Set the DMA external control bits in the GUTS * * The DMA external control bits in the PMUXCR are only meaningful for * channels 0 and 3. Any other channels are ignored. * * guts: Pointer to GUTS structure * co: The DMA controller (0 or 1) * ch: The channel on the DMA controller (0, 1, 2, or 3) * value: the new value for the bit (0 or 1) */
static inline void guts_set_pmuxcr_dma(struct ccsr_guts __iomem *guts, unsigned int co, unsigned int ch, unsigned int value) { if ((ch == 0) || (ch == 3)) { unsigned int shift = 2 * (co + 1) - (ch & 1) - 1; clrsetbits_be32(&guts->pmuxcr, 1 << shift, value << shift); } }

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#define CCSR_GUTS_CLKDVDR_PXCKEN 0x80000000 #define CCSR_GUTS_CLKDVDR_SSICKEN 0x20000000 #define CCSR_GUTS_CLKDVDR_PXCKINV 0x10000000 #define CCSR_GUTS_CLKDVDR_PXCKDLY_SHIFT 25 #define CCSR_GUTS_CLKDVDR_PXCKDLY_MASK 0x06000000 #define CCSR_GUTS_CLKDVDR_PXCKDLY(x) \ (((x) & 3) << CCSR_GUTS_CLKDVDR_PXCKDLY_SHIFT) #define CCSR_GUTS_CLKDVDR_PXCLK_SHIFT 16 #define CCSR_GUTS_CLKDVDR_PXCLK_MASK 0x001F0000 #define CCSR_GUTS_CLKDVDR_PXCLK(x) (((x) & 31) << CCSR_GUTS_CLKDVDR_PXCLK_SHIFT) #define CCSR_GUTS_CLKDVDR_SSICLK_MASK 0x000000FF #define CCSR_GUTS_CLKDVDR_SSICLK(x) ((x) & CCSR_GUTS_CLKDVDR_SSICLK_MASK) #endif struct ccsr_rcpm_v1 { u8 res0000[4]; __be32 cdozsr; /* 0x0004 Core Doze Status Register */ u8 res0008[4]; __be32 cdozcr; /* 0x000c Core Doze Control Register */ u8 res0010[4]; __be32 cnapsr; /* 0x0014 Core Nap Status Register */ u8 res0018[4]; __be32 cnapcr; /* 0x001c Core Nap Control Register */ u8 res0020[4]; __be32 cdozpsr; /* 0x0024 Core Doze Previous Status Register */ u8 res0028[4]; __be32 cnappsr; /* 0x002c Core Nap Previous Status Register */ u8 res0030[4]; __be32 cwaitsr; /* 0x0034 Core Wait Status Register */ u8 res0038[4]; __be32 cwdtdsr; /* 0x003c Core Watchdog Detect Status Register */ __be32 powmgtcsr; /* 0x0040 PM Control&Status Register */ #define RCPM_POWMGTCSR_SLP 0x00020000 u8 res0044[12]; __be32 ippdexpcr; /* 0x0050 IP Powerdown Exception Control Register */ u8 res0054[16]; __be32 cpmimr; /* 0x0064 Core PM IRQ Mask Register */ u8 res0068[4]; __be32 cpmcimr; /* 0x006c Core PM Critical IRQ Mask Register */ u8 res0070[4]; __be32 cpmmcmr; /* 0x0074 Core PM Machine Check Mask Register */ u8 res0078[4]; __be32 cpmnmimr; /* 0x007c Core PM NMI Mask Register */ u8 res0080[4]; __be32 ctbenr; /* 0x0084 Core Time Base Enable Register */ u8 res0088[4]; __be32 ctbckselr; /* 0x008c Core Time Base Clock Select Register */ u8 res0090[4]; __be32 ctbhltcr; /* 0x0094 Core Time Base Halt Control Register */ u8 res0098[4]; __be32 cmcpmaskcr; /* 0x00a4 Core Machine Check Mask Register */ }; struct ccsr_rcpm_v2 { u8 res_00[12]; __be32 tph10sr0; /* Thread PH10 Status Register */ u8 res_10[12]; __be32 tph10setr0; /* Thread PH10 Set Control Register */ u8 res_20[12]; __be32 tph10clrr0; /* Thread PH10 Clear Control Register */ u8 res_30[12]; __be32 tph10psr0; /* Thread PH10 Previous Status Register */ u8 res_40[12]; __be32 twaitsr0; /* Thread Wait Status Register */ u8 res_50[96]; __be32 pcph15sr; /* Physical Core PH15 Status Register */ __be32 pcph15setr; /* Physical Core PH15 Set Control Register */ __be32 pcph15clrr; /* Physical Core PH15 Clear Control Register */ __be32 pcph15psr; /* Physical Core PH15 Prev Status Register */ u8 res_c0[16]; __be32 pcph20sr; /* Physical Core PH20 Status Register */ __be32 pcph20setr; /* Physical Core PH20 Set Control Register */ __be32 pcph20clrr; /* Physical Core PH20 Clear Control Register */ __be32 pcph20psr; /* Physical Core PH20 Prev Status Register */ __be32 pcpw20sr; /* Physical Core PW20 Status Register */ u8 res_e0[12]; __be32 pcph30sr; /* Physical Core PH30 Status Register */ __be32 pcph30setr; /* Physical Core PH30 Set Control Register */ __be32 pcph30clrr; /* Physical Core PH30 Clear Control Register */ __be32 pcph30psr; /* Physical Core PH30 Prev Status Register */ u8 res_100[32]; __be32 ippwrgatecr; /* IP Power Gating Control Register */ u8 res_124[12]; __be32 powmgtcsr; /* Power Management Control & Status Reg */ #define RCPM_POWMGTCSR_LPM20_RQ 0x00100000 #define RCPM_POWMGTCSR_LPM20_ST 0x00000200 #define RCPM_POWMGTCSR_P_LPM20_ST 0x00000100 u8 res_134[12]; __be32 ippdexpcr[4]; /* IP Powerdown Exception Control Reg */ u8 res_150[12]; __be32 tpmimr0; /* Thread PM Interrupt Mask Reg */ u8 res_160[12]; __be32 tpmcimr0; /* Thread PM Crit Interrupt Mask Reg */ u8 res_170[12]; __be32 tpmmcmr0; /* Thread PM Machine Check Interrupt Mask Reg */ u8 res_180[12]; __be32 tpmnmimr0; /* Thread PM NMI Mask Reg */ u8 res_190[12]; __be32 tmcpmaskcr0; /* Thread Machine Check Mask Control Reg */ __be32 pctbenr; /* Physical Core Time Base Enable Reg */ __be32 pctbclkselr; /* Physical Core Time Base Clock Select */ __be32 tbclkdivr; /* Time Base Clock Divider Register */ u8 res_1ac[4]; __be32 ttbhltcr[4]; /* Thread Time Base Halt Control Register */ __be32 clpcl10sr; /* Cluster PCL10 Status Register */ __be32 clpcl10setr; /* Cluster PCL30 Set Control Register */ __be32 clpcl10clrr; /* Cluster PCL30 Clear Control Register */ __be32 clpcl10psr; /* Cluster PCL30 Prev Status Register */ __be32 cddslpsetr; /* Core Domain Deep Sleep Set Register */ __be32 cddslpclrr; /* Core Domain Deep Sleep Clear Register */ __be32 cdpwroksetr; /* Core Domain Power OK Set Register */ __be32 cdpwrokclrr; /* Core Domain Power OK Clear Register */ __be32 cdpwrensr; /* Core Domain Power Enable Status Register */ __be32 cddslsr; /* Core Domain Deep Sleep Status Register */ u8 res_1e8[8]; __be32 dslpcntcr[8]; /* Deep Sleep Counter Cfg Register */ u8 res_300[3568]; }; #endif

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