1/** 2 * Freecale 85xx and 86xx Global Utilties register set 3 * 4 * Authors: Jeff Brown 5 * Timur Tabi <timur@freescale.com> 6 * 7 * Copyright 2004,2007,2012 Freescale Semiconductor, Inc 8 * 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU General Public License as published by the 11 * Free Software Foundation; either version 2 of the License, or (at your 12 * option) any later version. 13 */ 14 15#ifndef __FSL_GUTS_H__ 16#define __FSL_GUTS_H__ 17 18#include <linux/types.h> 19 20/** 21 * Global Utility Registers. 22 * 23 * Not all registers defined in this structure are available on all chips, so 24 * you are expected to know whether a given register actually exists on your 25 * chip before you access it. 26 * 27 * Also, some registers are similar on different chips but have slightly 28 * different names. In these cases, one name is chosen to avoid extraneous 29 * #ifdefs. 30 */ 31struct ccsr_guts { 32 __be32 porpllsr; /* 0x.0000 - POR PLL Ratio Status Register */ 33 __be32 porbmsr; /* 0x.0004 - POR Boot Mode Status Register */ 34 __be32 porimpscr; /* 0x.0008 - POR I/O Impedance Status and Control Register */ 35 __be32 pordevsr; /* 0x.000c - POR I/O Device Status Register */ 36 __be32 pordbgmsr; /* 0x.0010 - POR Debug Mode Status Register */ 37 __be32 pordevsr2; /* 0x.0014 - POR device status register 2 */ 38 u8 res018[0x20 - 0x18]; 39 __be32 porcir; /* 0x.0020 - POR Configuration Information Register */ 40 u8 res024[0x30 - 0x24]; 41 __be32 gpiocr; /* 0x.0030 - GPIO Control Register */ 42 u8 res034[0x40 - 0x34]; 43 __be32 gpoutdr; /* 0x.0040 - General-Purpose Output Data Register */ 44 u8 res044[0x50 - 0x44]; 45 __be32 gpindr; /* 0x.0050 - General-Purpose Input Data Register */ 46 u8 res054[0x60 - 0x54]; 47 __be32 pmuxcr; /* 0x.0060 - Alternate Function Signal Multiplex Control */ 48 __be32 pmuxcr2; /* 0x.0064 - Alternate function signal multiplex control 2 */ 49 __be32 dmuxcr; /* 0x.0068 - DMA Mux Control Register */ 50 u8 res06c[0x70 - 0x6c]; 51 __be32 devdisr; /* 0x.0070 - Device Disable Control */ 52#define CCSR_GUTS_DEVDISR_TB1 0x00001000 53#define CCSR_GUTS_DEVDISR_TB0 0x00004000 54 __be32 devdisr2; /* 0x.0074 - Device Disable Control 2 */ 55 u8 res078[0x7c - 0x78]; 56 __be32 pmjcr; /* 0x.007c - 4 Power Management Jog Control Register */ 57 __be32 powmgtcsr; /* 0x.0080 - Power Management Status and Control Register */ 58 __be32 pmrccr; /* 0x.0084 - Power Management Reset Counter Configuration Register */ 59 __be32 pmpdccr; /* 0x.0088 - Power Management Power Down Counter Configuration Register */ 60 __be32 pmcdr; /* 0x.008c - 4Power management clock disable register */ 61 __be32 mcpsumr; /* 0x.0090 - Machine Check Summary Register */ 62 __be32 rstrscr; /* 0x.0094 - Reset Request Status and Control Register */ 63 __be32 ectrstcr; /* 0x.0098 - Exception reset control register */ 64 __be32 autorstsr; /* 0x.009c - Automatic reset status register */ 65 __be32 pvr; /* 0x.00a0 - Processor Version Register */ 66 __be32 svr; /* 0x.00a4 - System Version Register */ 67 u8 res0a8[0xb0 - 0xa8]; 68 __be32 rstcr; /* 0x.00b0 - Reset Control Register */ 69 u8 res0b4[0xc0 - 0xb4]; 70 __be32 iovselsr; /* 0x.00c0 - I/O voltage select status register 71 Called 'elbcvselcr' on 86xx SOCs */ 72 u8 res0c4[0x100 - 0xc4]; 73 __be32 rcwsr[16]; /* 0x.0100 - Reset Control Word Status registers 74 There are 16 registers */ 75 u8 res140[0x224 - 0x140]; 76 __be32 iodelay1; /* 0x.0224 - IO delay control register 1 */ 77 __be32 iodelay2; /* 0x.0228 - IO delay control register 2 */ 78 u8 res22c[0x604 - 0x22c]; 79 __be32 pamubypenr; /* 0x.604 - PAMU bypass enable register */ 80 u8 res608[0x800 - 0x608]; 81 __be32 clkdvdr; /* 0x.0800 - Clock Divide Register */ 82 u8 res804[0x900 - 0x804]; 83 __be32 ircr; /* 0x.0900 - Infrared Control Register */ 84 u8 res904[0x908 - 0x904]; 85 __be32 dmacr; /* 0x.0908 - DMA Control Register */ 86 u8 res90c[0x914 - 0x90c]; 87 __be32 elbccr; /* 0x.0914 - eLBC Control Register */ 88 u8 res918[0xb20 - 0x918]; 89 __be32 ddr1clkdr; /* 0x.0b20 - DDR1 Clock Disable Register */ 90 __be32 ddr2clkdr; /* 0x.0b24 - DDR2 Clock Disable Register */ 91 __be32 ddrclkdr; /* 0x.0b28 - DDR Clock Disable Register */ 92 u8 resb2c[0xe00 - 0xb2c]; 93 __be32 clkocr; /* 0x.0e00 - Clock Out Select Register */ 94 u8 rese04[0xe10 - 0xe04]; 95 __be32 ddrdllcr; /* 0x.0e10 - DDR DLL Control Register */ 96 u8 rese14[0xe20 - 0xe14]; 97 __be32 lbcdllcr; /* 0x.0e20 - LBC DLL Control Register */ 98 __be32 cpfor; /* 0x.0e24 - L2 charge pump fuse override register */ 99 u8 rese28[0xf04 - 0xe28]; 100 __be32 srds1cr0; /* 0x.0f04 - SerDes1 Control Register 0 */ 101 __be32 srds1cr1; /* 0x.0f08 - SerDes1 Control Register 0 */ 102 u8 resf0c[0xf2c - 0xf0c]; 103 __be32 itcr; /* 0x.0f2c - Internal transaction control register */ 104 u8 resf30[0xf40 - 0xf30]; 105 __be32 srds2cr0; /* 0x.0f40 - SerDes2 Control Register 0 */ 106 __be32 srds2cr1; /* 0x.0f44 - SerDes2 Control Register 0 */ 107} __attribute__ ((packed)); 108 109 110/* Alternate function signal multiplex control */ 111#define MPC85xx_PMUXCR_QE(x) (0x8000 >> (x)) 112 113#ifdef CONFIG_PPC_86xx 114 115#define CCSR_GUTS_DMACR_DEV_SSI 0 /* DMA controller/channel set to SSI */ 116#define CCSR_GUTS_DMACR_DEV_IR 1 /* DMA controller/channel set to IR */ 117 118/* 119 * Set the DMACR register in the GUTS 120 * 121 * The DMACR register determines the source of initiated transfers for each 122 * channel on each DMA controller. Rather than have a bunch of repetitive 123 * macros for the bit patterns, we just have a function that calculates 124 * them. 125 * 126 * guts: Pointer to GUTS structure 127 * co: The DMA controller (0 or 1) 128 * ch: The channel on the DMA controller (0, 1, 2, or 3) 129 * device: The device to set as the source (CCSR_GUTS_DMACR_DEV_xx) 130 */ 131static inline void guts_set_dmacr(struct ccsr_guts __iomem *guts, 132 unsigned int co, unsigned int ch, unsigned int device) 133{ 134 unsigned int shift = 16 + (8 * (1 - co) + 2 * (3 - ch)); 135 136 clrsetbits_be32(&guts->dmacr, 3 << shift, device << shift); 137} 138 139#define CCSR_GUTS_PMUXCR_LDPSEL 0x00010000 140#define CCSR_GUTS_PMUXCR_SSI1_MASK 0x0000C000 /* Bitmask for SSI1 */ 141#define CCSR_GUTS_PMUXCR_SSI1_LA 0x00000000 /* Latched address */ 142#define CCSR_GUTS_PMUXCR_SSI1_HI 0x00004000 /* High impedance */ 143#define CCSR_GUTS_PMUXCR_SSI1_SSI 0x00008000 /* Used for SSI1 */ 144#define CCSR_GUTS_PMUXCR_SSI2_MASK 0x00003000 /* Bitmask for SSI2 */ 145#define CCSR_GUTS_PMUXCR_SSI2_LA 0x00000000 /* Latched address */ 146#define CCSR_GUTS_PMUXCR_SSI2_HI 0x00001000 /* High impedance */ 147#define CCSR_GUTS_PMUXCR_SSI2_SSI 0x00002000 /* Used for SSI2 */ 148#define CCSR_GUTS_PMUXCR_LA_22_25_LA 0x00000000 /* Latched Address */ 149#define CCSR_GUTS_PMUXCR_LA_22_25_HI 0x00000400 /* High impedance */ 150#define CCSR_GUTS_PMUXCR_DBGDRV 0x00000200 /* Signals not driven */ 151#define CCSR_GUTS_PMUXCR_DMA2_0 0x00000008 152#define CCSR_GUTS_PMUXCR_DMA2_3 0x00000004 153#define CCSR_GUTS_PMUXCR_DMA1_0 0x00000002 154#define CCSR_GUTS_PMUXCR_DMA1_3 0x00000001 155 156/* 157 * Set the DMA external control bits in the GUTS 158 * 159 * The DMA external control bits in the PMUXCR are only meaningful for 160 * channels 0 and 3. Any other channels are ignored. 161 * 162 * guts: Pointer to GUTS structure 163 * co: The DMA controller (0 or 1) 164 * ch: The channel on the DMA controller (0, 1, 2, or 3) 165 * value: the new value for the bit (0 or 1) 166 */ 167static inline void guts_set_pmuxcr_dma(struct ccsr_guts __iomem *guts, 168 unsigned int co, unsigned int ch, unsigned int value) 169{ 170 if ((ch == 0) || (ch == 3)) { 171 unsigned int shift = 2 * (co + 1) - (ch & 1) - 1; 172 173 clrsetbits_be32(&guts->pmuxcr, 1 << shift, value << shift); 174 } 175} 176 177#define CCSR_GUTS_CLKDVDR_PXCKEN 0x80000000 178#define CCSR_GUTS_CLKDVDR_SSICKEN 0x20000000 179#define CCSR_GUTS_CLKDVDR_PXCKINV 0x10000000 180#define CCSR_GUTS_CLKDVDR_PXCKDLY_SHIFT 25 181#define CCSR_GUTS_CLKDVDR_PXCKDLY_MASK 0x06000000 182#define CCSR_GUTS_CLKDVDR_PXCKDLY(x) \ 183 (((x) & 3) << CCSR_GUTS_CLKDVDR_PXCKDLY_SHIFT) 184#define CCSR_GUTS_CLKDVDR_PXCLK_SHIFT 16 185#define CCSR_GUTS_CLKDVDR_PXCLK_MASK 0x001F0000 186#define CCSR_GUTS_CLKDVDR_PXCLK(x) (((x) & 31) << CCSR_GUTS_CLKDVDR_PXCLK_SHIFT) 187#define CCSR_GUTS_CLKDVDR_SSICLK_MASK 0x000000FF 188#define CCSR_GUTS_CLKDVDR_SSICLK(x) ((x) & CCSR_GUTS_CLKDVDR_SSICLK_MASK) 189 190#endif 191 192#endif 193