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0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  * Freecale 85xx and 86xx Global Utilties register set
0004  *
0005  * Authors: Jeff Brown
0006  *          Timur Tabi <timur@freescale.com>
0007  *
0008  * Copyright 2004,2007,2012 Freescale Semiconductor, Inc
0009  */
0010 
0011 #ifndef __FSL_GUTS_H__
0012 #define __FSL_GUTS_H__
0013 
0014 #include <linux/types.h>
0015 #include <linux/io.h>
0016 
0017 /*
0018  * Global Utility Registers.
0019  *
0020  * Not all registers defined in this structure are available on all chips, so
0021  * you are expected to know whether a given register actually exists on your
0022  * chip before you access it.
0023  *
0024  * Also, some registers are similar on different chips but have slightly
0025  * different names.  In these cases, one name is chosen to avoid extraneous
0026  * #ifdefs.
0027  */
0028 struct ccsr_guts {
0029     u32 porpllsr;   /* 0x.0000 - POR PLL Ratio Status Register */
0030     u32 porbmsr;    /* 0x.0004 - POR Boot Mode Status Register */
0031     u32 porimpscr;  /* 0x.0008 - POR I/O Impedance Status and
0032                  *           Control Register
0033                  */
0034     u32 pordevsr;   /* 0x.000c - POR I/O Device Status Register */
0035     u32 pordbgmsr;  /* 0x.0010 - POR Debug Mode Status Register */
0036     u32 pordevsr2;  /* 0x.0014 - POR device status register 2 */
0037     u8  res018[0x20 - 0x18];
0038     u32 porcir;     /* 0x.0020 - POR Configuration Information
0039                  *           Register
0040                  */
0041     u8  res024[0x30 - 0x24];
0042     u32 gpiocr;     /* 0x.0030 - GPIO Control Register */
0043     u8  res034[0x40 - 0x34];
0044     u32 gpoutdr;    /* 0x.0040 - General-Purpose Output Data
0045                  *           Register
0046                  */
0047     u8  res044[0x50 - 0x44];
0048     u32 gpindr;     /* 0x.0050 - General-Purpose Input Data
0049                  *           Register
0050                  */
0051     u8  res054[0x60 - 0x54];
0052     u32 pmuxcr;     /* 0x.0060 - Alternate Function Signal
0053                  *           Multiplex Control
0054                  */
0055     u32 pmuxcr2;    /* 0x.0064 - Alternate function signal
0056                  *           multiplex control 2
0057                  */
0058     u32 dmuxcr;     /* 0x.0068 - DMA Mux Control Register */
0059         u8  res06c[0x70 - 0x6c];
0060     u32 devdisr;    /* 0x.0070 - Device Disable Control */
0061 #define CCSR_GUTS_DEVDISR_TB1   0x00001000
0062 #define CCSR_GUTS_DEVDISR_TB0   0x00004000
0063     u32 devdisr2;   /* 0x.0074 - Device Disable Control 2 */
0064     u8  res078[0x7c - 0x78];
0065     u32 pmjcr;      /* 0x.007c - 4 Power Management Jog Control
0066                  *           Register
0067                  */
0068     u32 powmgtcsr;  /* 0x.0080 - Power Management Status and
0069                  *           Control Register
0070                  */
0071     u32 pmrccr;     /* 0x.0084 - Power Management Reset Counter
0072                  *           Configuration Register
0073                  */
0074     u32 pmpdccr;    /* 0x.0088 - Power Management Power Down Counter
0075                  *           Configuration Register
0076                  */
0077     u32 pmcdr;      /* 0x.008c - 4Power management clock disable
0078                  *           register
0079                  */
0080     u32 mcpsumr;    /* 0x.0090 - Machine Check Summary Register */
0081     u32 rstrscr;    /* 0x.0094 - Reset Request Status and
0082                  *           Control Register
0083                  */
0084     u32 ectrstcr;   /* 0x.0098 - Exception reset control register */
0085     u32 autorstsr;  /* 0x.009c - Automatic reset status register */
0086     u32 pvr;        /* 0x.00a0 - Processor Version Register */
0087     u32 svr;        /* 0x.00a4 - System Version Register */
0088     u8  res0a8[0xb0 - 0xa8];
0089     u32 rstcr;      /* 0x.00b0 - Reset Control Register */
0090     u8  res0b4[0xc0 - 0xb4];
0091     u32 iovselsr;   /* 0x.00c0 - I/O voltage select status register
0092                          Called 'elbcvselcr' on 86xx SOCs */
0093     u8  res0c4[0x100 - 0xc4];
0094     u32 rcwsr[16];  /* 0x.0100 - Reset Control Word Status registers
0095                          There are 16 registers */
0096     u8  res140[0x224 - 0x140];
0097     u32 iodelay1;   /* 0x.0224 - IO delay control register 1 */
0098     u32 iodelay2;   /* 0x.0228 - IO delay control register 2 */
0099     u8  res22c[0x604 - 0x22c];
0100     u32 pamubypenr; /* 0x.604 - PAMU bypass enable register */
0101     u8  res608[0x800 - 0x608];
0102     u32 clkdvdr;    /* 0x.0800 - Clock Divide Register */
0103     u8  res804[0x900 - 0x804];
0104     u32 ircr;       /* 0x.0900 - Infrared Control Register */
0105     u8  res904[0x908 - 0x904];
0106     u32 dmacr;      /* 0x.0908 - DMA Control Register */
0107     u8  res90c[0x914 - 0x90c];
0108     u32 elbccr;     /* 0x.0914 - eLBC Control Register */
0109     u8  res918[0xb20 - 0x918];
0110     u32 ddr1clkdr;  /* 0x.0b20 - DDR1 Clock Disable Register */
0111     u32 ddr2clkdr;  /* 0x.0b24 - DDR2 Clock Disable Register */
0112     u32 ddrclkdr;   /* 0x.0b28 - DDR Clock Disable Register */
0113     u8  resb2c[0xe00 - 0xb2c];
0114     u32 clkocr;     /* 0x.0e00 - Clock Out Select Register */
0115     u8  rese04[0xe10 - 0xe04];
0116     u32 ddrdllcr;   /* 0x.0e10 - DDR DLL Control Register */
0117     u8  rese14[0xe20 - 0xe14];
0118     u32 lbcdllcr;   /* 0x.0e20 - LBC DLL Control Register */
0119     u32 cpfor;      /* 0x.0e24 - L2 charge pump fuse override
0120                  *           register
0121                  */
0122     u8  rese28[0xf04 - 0xe28];
0123     u32 srds1cr0;   /* 0x.0f04 - SerDes1 Control Register 0 */
0124     u32 srds1cr1;   /* 0x.0f08 - SerDes1 Control Register 0 */
0125     u8  resf0c[0xf2c - 0xf0c];
0126     u32 itcr;       /* 0x.0f2c - Internal transaction control
0127                  *           register
0128                  */
0129     u8  resf30[0xf40 - 0xf30];
0130     u32 srds2cr0;   /* 0x.0f40 - SerDes2 Control Register 0 */
0131     u32 srds2cr1;   /* 0x.0f44 - SerDes2 Control Register 0 */
0132 } __attribute__ ((packed));
0133 
0134 /* Alternate function signal multiplex control */
0135 #define MPC85xx_PMUXCR_QE(x) (0x8000 >> (x))
0136 
0137 #ifdef CONFIG_PPC_86xx
0138 
0139 #define CCSR_GUTS_DMACR_DEV_SSI 0   /* DMA controller/channel set to SSI */
0140 #define CCSR_GUTS_DMACR_DEV_IR  1   /* DMA controller/channel set to IR */
0141 
0142 /*
0143  * Set the DMACR register in the GUTS
0144  *
0145  * The DMACR register determines the source of initiated transfers for each
0146  * channel on each DMA controller.  Rather than have a bunch of repetitive
0147  * macros for the bit patterns, we just have a function that calculates
0148  * them.
0149  *
0150  * guts: Pointer to GUTS structure
0151  * co: The DMA controller (0 or 1)
0152  * ch: The channel on the DMA controller (0, 1, 2, or 3)
0153  * device: The device to set as the source (CCSR_GUTS_DMACR_DEV_xx)
0154  */
0155 static inline void guts_set_dmacr(struct ccsr_guts __iomem *guts,
0156     unsigned int co, unsigned int ch, unsigned int device)
0157 {
0158     unsigned int shift = 16 + (8 * (1 - co) + 2 * (3 - ch));
0159 
0160     clrsetbits_be32(&guts->dmacr, 3 << shift, device << shift);
0161 }
0162 
0163 #define CCSR_GUTS_PMUXCR_LDPSEL     0x00010000
0164 #define CCSR_GUTS_PMUXCR_SSI1_MASK  0x0000C000  /* Bitmask for SSI1 */
0165 #define CCSR_GUTS_PMUXCR_SSI1_LA    0x00000000  /* Latched address */
0166 #define CCSR_GUTS_PMUXCR_SSI1_HI    0x00004000  /* High impedance */
0167 #define CCSR_GUTS_PMUXCR_SSI1_SSI   0x00008000  /* Used for SSI1 */
0168 #define CCSR_GUTS_PMUXCR_SSI2_MASK  0x00003000  /* Bitmask for SSI2 */
0169 #define CCSR_GUTS_PMUXCR_SSI2_LA    0x00000000  /* Latched address */
0170 #define CCSR_GUTS_PMUXCR_SSI2_HI    0x00001000  /* High impedance */
0171 #define CCSR_GUTS_PMUXCR_SSI2_SSI   0x00002000  /* Used for SSI2 */
0172 #define CCSR_GUTS_PMUXCR_LA_22_25_LA    0x00000000  /* Latched Address */
0173 #define CCSR_GUTS_PMUXCR_LA_22_25_HI    0x00000400  /* High impedance */
0174 #define CCSR_GUTS_PMUXCR_DBGDRV     0x00000200  /* Signals not driven */
0175 #define CCSR_GUTS_PMUXCR_DMA2_0     0x00000008
0176 #define CCSR_GUTS_PMUXCR_DMA2_3     0x00000004
0177 #define CCSR_GUTS_PMUXCR_DMA1_0     0x00000002
0178 #define CCSR_GUTS_PMUXCR_DMA1_3     0x00000001
0179 
0180 /*
0181  * Set the DMA external control bits in the GUTS
0182  *
0183  * The DMA external control bits in the PMUXCR are only meaningful for
0184  * channels 0 and 3.  Any other channels are ignored.
0185  *
0186  * guts: Pointer to GUTS structure
0187  * co: The DMA controller (0 or 1)
0188  * ch: The channel on the DMA controller (0, 1, 2, or 3)
0189  * value: the new value for the bit (0 or 1)
0190  */
0191 static inline void guts_set_pmuxcr_dma(struct ccsr_guts __iomem *guts,
0192     unsigned int co, unsigned int ch, unsigned int value)
0193 {
0194     if ((ch == 0) || (ch == 3)) {
0195         unsigned int shift = 2 * (co + 1) - (ch & 1) - 1;
0196 
0197         clrsetbits_be32(&guts->pmuxcr, 1 << shift, value << shift);
0198     }
0199 }
0200 
0201 #define CCSR_GUTS_CLKDVDR_PXCKEN    0x80000000
0202 #define CCSR_GUTS_CLKDVDR_SSICKEN   0x20000000
0203 #define CCSR_GUTS_CLKDVDR_PXCKINV   0x10000000
0204 #define CCSR_GUTS_CLKDVDR_PXCKDLY_SHIFT 25
0205 #define CCSR_GUTS_CLKDVDR_PXCKDLY_MASK  0x06000000
0206 #define CCSR_GUTS_CLKDVDR_PXCKDLY(x) \
0207     (((x) & 3) << CCSR_GUTS_CLKDVDR_PXCKDLY_SHIFT)
0208 #define CCSR_GUTS_CLKDVDR_PXCLK_SHIFT   16
0209 #define CCSR_GUTS_CLKDVDR_PXCLK_MASK    0x001F0000
0210 #define CCSR_GUTS_CLKDVDR_PXCLK(x) (((x) & 31) << CCSR_GUTS_CLKDVDR_PXCLK_SHIFT)
0211 #define CCSR_GUTS_CLKDVDR_SSICLK_MASK   0x000000FF
0212 #define CCSR_GUTS_CLKDVDR_SSICLK(x) ((x) & CCSR_GUTS_CLKDVDR_SSICLK_MASK)
0213 
0214 #endif
0215 
0216 struct ccsr_rcpm_v1 {
0217     u8  res0000[4];
0218     __be32  cdozsr;     /* 0x0004 Core Doze Status Register */
0219     u8  res0008[4];
0220     __be32  cdozcr;     /* 0x000c Core Doze Control Register */
0221     u8  res0010[4];
0222     __be32  cnapsr;     /* 0x0014 Core Nap Status Register */
0223     u8  res0018[4];
0224     __be32  cnapcr;     /* 0x001c Core Nap Control Register */
0225     u8  res0020[4];
0226     __be32  cdozpsr;    /* 0x0024 Core Doze Previous Status Register */
0227     u8  res0028[4];
0228     __be32  cnappsr;    /* 0x002c Core Nap Previous Status Register */
0229     u8  res0030[4];
0230     __be32  cwaitsr;    /* 0x0034 Core Wait Status Register */
0231     u8  res0038[4];
0232     __be32  cwdtdsr;    /* 0x003c Core Watchdog Detect Status Register */
0233     __be32  powmgtcsr;  /* 0x0040 PM Control&Status Register */
0234 #define RCPM_POWMGTCSR_SLP  0x00020000
0235     u8  res0044[12];
0236     __be32  ippdexpcr;  /* 0x0050 IP Powerdown Exception Control Register */
0237     u8  res0054[16];
0238     __be32  cpmimr;     /* 0x0064 Core PM IRQ Mask Register */
0239     u8  res0068[4];
0240     __be32  cpmcimr;    /* 0x006c Core PM Critical IRQ Mask Register */
0241     u8  res0070[4];
0242     __be32  cpmmcmr;    /* 0x0074 Core PM Machine Check Mask Register */
0243     u8  res0078[4];
0244     __be32  cpmnmimr;   /* 0x007c Core PM NMI Mask Register */
0245     u8  res0080[4];
0246     __be32  ctbenr;     /* 0x0084 Core Time Base Enable Register */
0247     u8  res0088[4];
0248     __be32  ctbckselr;  /* 0x008c Core Time Base Clock Select Register */
0249     u8  res0090[4];
0250     __be32  ctbhltcr;   /* 0x0094 Core Time Base Halt Control Register */
0251     u8  res0098[4];
0252     __be32  cmcpmaskcr; /* 0x00a4 Core Machine Check Mask Register */
0253 };
0254 
0255 struct ccsr_rcpm_v2 {
0256     u8  res_00[12];
0257     __be32  tph10sr0;   /* Thread PH10 Status Register */
0258     u8  res_10[12];
0259     __be32  tph10setr0; /* Thread PH10 Set Control Register */
0260     u8  res_20[12];
0261     __be32  tph10clrr0; /* Thread PH10 Clear Control Register */
0262     u8  res_30[12];
0263     __be32  tph10psr0;  /* Thread PH10 Previous Status Register */
0264     u8  res_40[12];
0265     __be32  twaitsr0;   /* Thread Wait Status Register */
0266     u8  res_50[96];
0267     __be32  pcph15sr;   /* Physical Core PH15 Status Register */
0268     __be32  pcph15setr; /* Physical Core PH15 Set Control Register */
0269     __be32  pcph15clrr; /* Physical Core PH15 Clear Control Register */
0270     __be32  pcph15psr;  /* Physical Core PH15 Prev Status Register */
0271     u8  res_c0[16];
0272     __be32  pcph20sr;   /* Physical Core PH20 Status Register */
0273     __be32  pcph20setr; /* Physical Core PH20 Set Control Register */
0274     __be32  pcph20clrr; /* Physical Core PH20 Clear Control Register */
0275     __be32  pcph20psr;  /* Physical Core PH20 Prev Status Register */
0276     __be32  pcpw20sr;   /* Physical Core PW20 Status Register */
0277     u8  res_e0[12];
0278     __be32  pcph30sr;   /* Physical Core PH30 Status Register */
0279     __be32  pcph30setr; /* Physical Core PH30 Set Control Register */
0280     __be32  pcph30clrr; /* Physical Core PH30 Clear Control Register */
0281     __be32  pcph30psr;  /* Physical Core PH30 Prev Status Register */
0282     u8  res_100[32];
0283     __be32  ippwrgatecr;    /* IP Power Gating Control Register */
0284     u8  res_124[12];
0285     __be32  powmgtcsr;  /* Power Management Control & Status Reg */
0286 #define RCPM_POWMGTCSR_LPM20_RQ     0x00100000
0287 #define RCPM_POWMGTCSR_LPM20_ST     0x00000200
0288 #define RCPM_POWMGTCSR_P_LPM20_ST   0x00000100
0289     u8  res_134[12];
0290     __be32  ippdexpcr[4];   /* IP Powerdown Exception Control Reg */
0291     u8  res_150[12];
0292     __be32  tpmimr0;    /* Thread PM Interrupt Mask Reg */
0293     u8  res_160[12];
0294     __be32  tpmcimr0;   /* Thread PM Crit Interrupt Mask Reg */
0295     u8  res_170[12];
0296     __be32  tpmmcmr0;   /* Thread PM Machine Check Interrupt Mask Reg */
0297     u8  res_180[12];
0298     __be32  tpmnmimr0;  /* Thread PM NMI Mask Reg */
0299     u8  res_190[12];
0300     __be32  tmcpmaskcr0;    /* Thread Machine Check Mask Control Reg */
0301     __be32  pctbenr;    /* Physical Core Time Base Enable Reg */
0302     __be32  pctbclkselr;    /* Physical Core Time Base Clock Select */
0303     __be32  tbclkdivr;  /* Time Base Clock Divider Register */
0304     u8  res_1ac[4];
0305     __be32  ttbhltcr[4];    /* Thread Time Base Halt Control Register */
0306     __be32  clpcl10sr;  /* Cluster PCL10 Status Register */
0307     __be32  clpcl10setr;    /* Cluster PCL30 Set Control Register */
0308     __be32  clpcl10clrr;    /* Cluster PCL30 Clear Control Register */
0309     __be32  clpcl10psr; /* Cluster PCL30 Prev Status Register */
0310     __be32  cddslpsetr; /* Core Domain Deep Sleep Set Register */
0311     __be32  cddslpclrr; /* Core Domain Deep Sleep Clear Register */
0312     __be32  cdpwroksetr;    /* Core Domain Power OK Set Register */
0313     __be32  cdpwrokclrr;    /* Core Domain Power OK Clear Register */
0314     __be32  cdpwrensr;  /* Core Domain Power Enable Status Register */
0315     __be32  cddslsr;    /* Core Domain Deep Sleep Status Register */
0316     u8  res_1e8[8];
0317     __be32  dslpcntcr[8];   /* Deep Sleep Counter Cfg Register */
0318     u8  res_300[3568];
0319 };
0320 
0321 #endif