linux/arch/arm/mach-iop32x/iop3xx.h
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   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Intel IOP32X and IOP33X register definitions
   4 *
   5 * Author: Rory Bolt <rorybolt@pacbell.net>
   6 * Copyright (C) 2002 Rory Bolt
   7 * Copyright (C) 2004 Intel Corp.
   8 */
   9
  10#ifndef __IOP3XX_H
  11#define __IOP3XX_H
  12
  13/*
  14 * Peripherals that are shared between the iop32x and iop33x but
  15 * located at different addresses.
  16 */
  17#define IOP3XX_TIMER_REG(reg)   (IOP3XX_PERIPHERAL_VIRT_BASE + 0x07e0 + (reg))
  18
  19#include "iop3xx.h"
  20
  21/* ATU Parameters
  22 * set up a 1:1 bus to physical ram relationship
  23 * w/ physical ram on top of pci in the memory map
  24 */
  25#define IOP32X_MAX_RAM_SIZE            0x40000000UL
  26#define IOP3XX_MAX_RAM_SIZE            IOP32X_MAX_RAM_SIZE
  27#define IOP3XX_PCI_LOWER_MEM_BA        0x80000000
  28
  29/*
  30 * IOP3XX GPIO handling
  31 */
  32#define IOP3XX_GPIO_LINE(x)     (x)
  33
  34#ifndef __ASSEMBLY__
  35extern int init_atu;
  36extern int iop3xx_get_init_atu(void);
  37#endif
  38
  39
  40/*
  41 * IOP3XX processor registers
  42 */
  43#define IOP3XX_PERIPHERAL_PHYS_BASE     0xffffe000
  44#define IOP3XX_PERIPHERAL_VIRT_BASE     0xfedfe000
  45#define IOP3XX_PERIPHERAL_SIZE          0x00002000
  46#define IOP3XX_PERIPHERAL_UPPER_PA (IOP3XX_PERIPHERAL_PHYS_BASE +\
  47                                        IOP3XX_PERIPHERAL_SIZE - 1)
  48#define IOP3XX_PERIPHERAL_UPPER_VA (IOP3XX_PERIPHERAL_VIRT_BASE +\
  49                                        IOP3XX_PERIPHERAL_SIZE - 1)
  50#define IOP3XX_PMMR_PHYS_TO_VIRT(addr) (u32) ((u32) (addr) -\
  51                                        (IOP3XX_PERIPHERAL_PHYS_BASE\
  52                                        - IOP3XX_PERIPHERAL_VIRT_BASE))
  53#define IOP3XX_REG_ADDR(reg)            (IOP3XX_PERIPHERAL_VIRT_BASE + (reg))
  54
  55/* Address Translation Unit  */
  56#define IOP3XX_ATUVID           (volatile u16 *)IOP3XX_REG_ADDR(0x0100)
  57#define IOP3XX_ATUDID           (volatile u16 *)IOP3XX_REG_ADDR(0x0102)
  58#define IOP3XX_ATUCMD           (volatile u16 *)IOP3XX_REG_ADDR(0x0104)
  59#define IOP3XX_ATUSR            (volatile u16 *)IOP3XX_REG_ADDR(0x0106)
  60#define IOP3XX_ATURID           (volatile u8  *)IOP3XX_REG_ADDR(0x0108)
  61#define IOP3XX_ATUCCR           (volatile u32 *)IOP3XX_REG_ADDR(0x0109)
  62#define IOP3XX_ATUCLSR          (volatile u8  *)IOP3XX_REG_ADDR(0x010c)
  63#define IOP3XX_ATULT            (volatile u8  *)IOP3XX_REG_ADDR(0x010d)
  64#define IOP3XX_ATUHTR           (volatile u8  *)IOP3XX_REG_ADDR(0x010e)
  65#define IOP3XX_ATUBIST          (volatile u8  *)IOP3XX_REG_ADDR(0x010f)
  66#define IOP3XX_IABAR0           (volatile u32 *)IOP3XX_REG_ADDR(0x0110)
  67#define IOP3XX_IAUBAR0          (volatile u32 *)IOP3XX_REG_ADDR(0x0114)
  68#define IOP3XX_IABAR1           (volatile u32 *)IOP3XX_REG_ADDR(0x0118)
  69#define IOP3XX_IAUBAR1          (volatile u32 *)IOP3XX_REG_ADDR(0x011c)
  70#define IOP3XX_IABAR2           (volatile u32 *)IOP3XX_REG_ADDR(0x0120)
  71#define IOP3XX_IAUBAR2          (volatile u32 *)IOP3XX_REG_ADDR(0x0124)
  72#define IOP3XX_ASVIR            (volatile u16 *)IOP3XX_REG_ADDR(0x012c)
  73#define IOP3XX_ASIR             (volatile u16 *)IOP3XX_REG_ADDR(0x012e)
  74#define IOP3XX_ERBAR            (volatile u32 *)IOP3XX_REG_ADDR(0x0130)
  75#define IOP3XX_ATUILR           (volatile u8  *)IOP3XX_REG_ADDR(0x013c)
  76#define IOP3XX_ATUIPR           (volatile u8  *)IOP3XX_REG_ADDR(0x013d)
  77#define IOP3XX_ATUMGNT          (volatile u8  *)IOP3XX_REG_ADDR(0x013e)
  78#define IOP3XX_ATUMLAT          (volatile u8  *)IOP3XX_REG_ADDR(0x013f)
  79#define IOP3XX_IALR0            (volatile u32 *)IOP3XX_REG_ADDR(0x0140)
  80#define IOP3XX_IATVR0           (volatile u32 *)IOP3XX_REG_ADDR(0x0144)
  81#define IOP3XX_ERLR             (volatile u32 *)IOP3XX_REG_ADDR(0x0148)
  82#define IOP3XX_ERTVR            (volatile u32 *)IOP3XX_REG_ADDR(0x014c)
  83#define IOP3XX_IALR1            (volatile u32 *)IOP3XX_REG_ADDR(0x0150)
  84#define IOP3XX_IALR2            (volatile u32 *)IOP3XX_REG_ADDR(0x0154)
  85#define IOP3XX_IATVR2           (volatile u32 *)IOP3XX_REG_ADDR(0x0158)
  86#define IOP3XX_OIOWTVR          (volatile u32 *)IOP3XX_REG_ADDR(0x015c)
  87#define IOP3XX_OMWTVR0          (volatile u32 *)IOP3XX_REG_ADDR(0x0160)
  88#define IOP3XX_OUMWTVR0         (volatile u32 *)IOP3XX_REG_ADDR(0x0164)
  89#define IOP3XX_OMWTVR1          (volatile u32 *)IOP3XX_REG_ADDR(0x0168)
  90#define IOP3XX_OUMWTVR1         (volatile u32 *)IOP3XX_REG_ADDR(0x016c)
  91#define IOP3XX_OUDWTVR          (volatile u32 *)IOP3XX_REG_ADDR(0x0178)
  92#define IOP3XX_ATUCR            (volatile u32 *)IOP3XX_REG_ADDR(0x0180)
  93#define IOP3XX_PCSR             (volatile u32 *)IOP3XX_REG_ADDR(0x0184)
  94#define IOP3XX_ATUISR           (volatile u32 *)IOP3XX_REG_ADDR(0x0188)
  95#define IOP3XX_ATUIMR           (volatile u32 *)IOP3XX_REG_ADDR(0x018c)
  96#define IOP3XX_IABAR3           (volatile u32 *)IOP3XX_REG_ADDR(0x0190)
  97#define IOP3XX_IAUBAR3          (volatile u32 *)IOP3XX_REG_ADDR(0x0194)
  98#define IOP3XX_IALR3            (volatile u32 *)IOP3XX_REG_ADDR(0x0198)
  99#define IOP3XX_IATVR3           (volatile u32 *)IOP3XX_REG_ADDR(0x019c)
 100#define IOP3XX_OCCAR            (volatile u32 *)IOP3XX_REG_ADDR(0x01a4)
 101#define IOP3XX_OCCDR            (volatile u32 *)IOP3XX_REG_ADDR(0x01ac)
 102#define IOP3XX_PDSCR            (volatile u32 *)IOP3XX_REG_ADDR(0x01bc)
 103#define IOP3XX_PMCAPID          (volatile u8  *)IOP3XX_REG_ADDR(0x01c0)
 104#define IOP3XX_PMNEXT           (volatile u8  *)IOP3XX_REG_ADDR(0x01c1)
 105#define IOP3XX_APMCR            (volatile u16 *)IOP3XX_REG_ADDR(0x01c2)
 106#define IOP3XX_APMCSR           (volatile u16 *)IOP3XX_REG_ADDR(0x01c4)
 107#define IOP3XX_PCIXCAPID        (volatile u8  *)IOP3XX_REG_ADDR(0x01e0)
 108#define IOP3XX_PCIXNEXT         (volatile u8  *)IOP3XX_REG_ADDR(0x01e1)
 109#define IOP3XX_PCIXCMD          (volatile u16 *)IOP3XX_REG_ADDR(0x01e2)
 110#define IOP3XX_PCIXSR           (volatile u32 *)IOP3XX_REG_ADDR(0x01e4)
 111#define IOP3XX_PCIIRSR          (volatile u32 *)IOP3XX_REG_ADDR(0x01ec)
 112#define IOP3XX_PCSR_OUT_Q_BUSY (1 << 15)
 113#define IOP3XX_PCSR_IN_Q_BUSY   (1 << 14)
 114#define IOP3XX_ATUCR_OUT_EN     (1 << 1)
 115
 116#define IOP3XX_INIT_ATU_DEFAULT 0
 117#define IOP3XX_INIT_ATU_DISABLE -1
 118#define IOP3XX_INIT_ATU_ENABLE   1
 119
 120/* Messaging Unit  */
 121#define IOP3XX_IMR0             (volatile u32 *)IOP3XX_REG_ADDR(0x0310)
 122#define IOP3XX_IMR1             (volatile u32 *)IOP3XX_REG_ADDR(0x0314)
 123#define IOP3XX_OMR0             (volatile u32 *)IOP3XX_REG_ADDR(0x0318)
 124#define IOP3XX_OMR1             (volatile u32 *)IOP3XX_REG_ADDR(0x031c)
 125#define IOP3XX_IDR              (volatile u32 *)IOP3XX_REG_ADDR(0x0320)
 126#define IOP3XX_IISR             (volatile u32 *)IOP3XX_REG_ADDR(0x0324)
 127#define IOP3XX_IIMR             (volatile u32 *)IOP3XX_REG_ADDR(0x0328)
 128#define IOP3XX_ODR              (volatile u32 *)IOP3XX_REG_ADDR(0x032c)
 129#define IOP3XX_OISR             (volatile u32 *)IOP3XX_REG_ADDR(0x0330)
 130#define IOP3XX_OIMR             (volatile u32 *)IOP3XX_REG_ADDR(0x0334)
 131#define IOP3XX_MUCR             (volatile u32 *)IOP3XX_REG_ADDR(0x0350)
 132#define IOP3XX_QBAR             (volatile u32 *)IOP3XX_REG_ADDR(0x0354)
 133#define IOP3XX_IFHPR            (volatile u32 *)IOP3XX_REG_ADDR(0x0360)
 134#define IOP3XX_IFTPR            (volatile u32 *)IOP3XX_REG_ADDR(0x0364)
 135#define IOP3XX_IPHPR            (volatile u32 *)IOP3XX_REG_ADDR(0x0368)
 136#define IOP3XX_IPTPR            (volatile u32 *)IOP3XX_REG_ADDR(0x036c)
 137#define IOP3XX_OFHPR            (volatile u32 *)IOP3XX_REG_ADDR(0x0370)
 138#define IOP3XX_OFTPR            (volatile u32 *)IOP3XX_REG_ADDR(0x0374)
 139#define IOP3XX_OPHPR            (volatile u32 *)IOP3XX_REG_ADDR(0x0378)
 140#define IOP3XX_OPTPR            (volatile u32 *)IOP3XX_REG_ADDR(0x037c)
 141#define IOP3XX_IAR              (volatile u32 *)IOP3XX_REG_ADDR(0x0380)
 142
 143/* DMA Controller  */
 144#define IOP3XX_DMA_PHYS_BASE(chan) (IOP3XX_PERIPHERAL_PHYS_BASE + \
 145                                        (0x400 + (chan << 6)))
 146#define IOP3XX_DMA_UPPER_PA(chan)  (IOP3XX_DMA_PHYS_BASE(chan) + 0x27)
 147
 148/* Peripheral bus interface  */
 149#define IOP3XX_PBCR             (volatile u32 *)IOP3XX_REG_ADDR(0x0680)
 150#define IOP3XX_PBISR            (volatile u32 *)IOP3XX_REG_ADDR(0x0684)
 151#define IOP3XX_PBBAR0           (volatile u32 *)IOP3XX_REG_ADDR(0x0688)
 152#define IOP3XX_PBLR0            (volatile u32 *)IOP3XX_REG_ADDR(0x068c)
 153#define IOP3XX_PBBAR1           (volatile u32 *)IOP3XX_REG_ADDR(0x0690)
 154#define IOP3XX_PBLR1            (volatile u32 *)IOP3XX_REG_ADDR(0x0694)
 155#define IOP3XX_PBBAR2           (volatile u32 *)IOP3XX_REG_ADDR(0x0698)
 156#define IOP3XX_PBLR2            (volatile u32 *)IOP3XX_REG_ADDR(0x069c)
 157#define IOP3XX_PBBAR3           (volatile u32 *)IOP3XX_REG_ADDR(0x06a0)
 158#define IOP3XX_PBLR3            (volatile u32 *)IOP3XX_REG_ADDR(0x06a4)
 159#define IOP3XX_PBBAR4           (volatile u32 *)IOP3XX_REG_ADDR(0x06a8)
 160#define IOP3XX_PBLR4            (volatile u32 *)IOP3XX_REG_ADDR(0x06ac)
 161#define IOP3XX_PBBAR5           (volatile u32 *)IOP3XX_REG_ADDR(0x06b0)
 162#define IOP3XX_PBLR5            (volatile u32 *)IOP3XX_REG_ADDR(0x06b4)
 163#define IOP3XX_PMBR0            (volatile u32 *)IOP3XX_REG_ADDR(0x06c0)
 164#define IOP3XX_PMBR1            (volatile u32 *)IOP3XX_REG_ADDR(0x06e0)
 165#define IOP3XX_PMBR2            (volatile u32 *)IOP3XX_REG_ADDR(0x06e4)
 166
 167/* Peripheral performance monitoring unit  */
 168#define IOP3XX_GTMR             (volatile u32 *)IOP3XX_REG_ADDR(0x0700)
 169#define IOP3XX_ESR              (volatile u32 *)IOP3XX_REG_ADDR(0x0704)
 170#define IOP3XX_EMISR            (volatile u32 *)IOP3XX_REG_ADDR(0x0708)
 171#define IOP3XX_GTSR             (volatile u32 *)IOP3XX_REG_ADDR(0x0710)
 172/* PERCR0 DOESN'T EXIST - index from 1! */
 173#define IOP3XX_PERCR0           (volatile u32 *)IOP3XX_REG_ADDR(0x0710)
 174
 175/* Timers  */
 176#define IOP3XX_TU_TMR0          (volatile u32 *)IOP3XX_TIMER_REG(0x0000)
 177#define IOP3XX_TU_TMR1          (volatile u32 *)IOP3XX_TIMER_REG(0x0004)
 178#define IOP3XX_TU_TCR0          (volatile u32 *)IOP3XX_TIMER_REG(0x0008)
 179#define IOP3XX_TU_TCR1          (volatile u32 *)IOP3XX_TIMER_REG(0x000c)
 180#define IOP3XX_TU_TRR0          (volatile u32 *)IOP3XX_TIMER_REG(0x0010)
 181#define IOP3XX_TU_TRR1          (volatile u32 *)IOP3XX_TIMER_REG(0x0014)
 182#define IOP3XX_TU_TISR          (volatile u32 *)IOP3XX_TIMER_REG(0x0018)
 183#define IOP3XX_TU_WDTCR         (volatile u32 *)IOP3XX_TIMER_REG(0x001c)
 184#define IOP_TMR_EN          0x02
 185#define IOP_TMR_RELOAD      0x04
 186#define IOP_TMR_PRIVILEGED 0x08
 187#define IOP_TMR_RATIO_1_1  0x00
 188
 189/* Watchdog timer definitions */
 190#define IOP_WDTCR_EN_ARM        0x1e1e1e1e
 191#define IOP_WDTCR_EN            0xe1e1e1e1
 192/* iop3xx does not support stopping the watchdog, so we just re-arm */
 193#define IOP_WDTCR_DIS_ARM       (IOP_WDTCR_EN_ARM)
 194#define IOP_WDTCR_DIS           (IOP_WDTCR_EN)
 195
 196/* Application accelerator unit  */
 197#define IOP3XX_AAU_PHYS_BASE (IOP3XX_PERIPHERAL_PHYS_BASE + 0x800)
 198#define IOP3XX_AAU_UPPER_PA (IOP3XX_AAU_PHYS_BASE + 0xa7)
 199
 200/* I2C bus interface unit  */
 201#define IOP3XX_ICR0             (volatile u32 *)IOP3XX_REG_ADDR(0x1680)
 202#define IOP3XX_ISR0             (volatile u32 *)IOP3XX_REG_ADDR(0x1684)
 203#define IOP3XX_ISAR0            (volatile u32 *)IOP3XX_REG_ADDR(0x1688)
 204#define IOP3XX_IDBR0            (volatile u32 *)IOP3XX_REG_ADDR(0x168c)
 205#define IOP3XX_IBMR0            (volatile u32 *)IOP3XX_REG_ADDR(0x1694)
 206#define IOP3XX_ICR1             (volatile u32 *)IOP3XX_REG_ADDR(0x16a0)
 207#define IOP3XX_ISR1             (volatile u32 *)IOP3XX_REG_ADDR(0x16a4)
 208#define IOP3XX_ISAR1            (volatile u32 *)IOP3XX_REG_ADDR(0x16a8)
 209#define IOP3XX_IDBR1            (volatile u32 *)IOP3XX_REG_ADDR(0x16ac)
 210#define IOP3XX_IBMR1            (volatile u32 *)IOP3XX_REG_ADDR(0x16b4)
 211
 212
 213/*
 214 * IOP3XX I/O and Mem space regions for PCI autoconfiguration
 215 */
 216#define IOP3XX_PCI_LOWER_MEM_PA 0x80000000
 217#define IOP3XX_PCI_MEM_WINDOW_SIZE      0x08000000
 218
 219#define IOP3XX_PCI_LOWER_IO_PA          0x90000000
 220#define IOP3XX_PCI_LOWER_IO_BA          0x00000000
 221
 222#ifndef __ASSEMBLY__
 223
 224#include <linux/types.h>
 225#include <linux/reboot.h>
 226
 227void iop3xx_map_io(void);
 228void iop_init_cp6_handler(void);
 229void iop_init_time(unsigned long tickrate);
 230void iop3xx_restart(enum reboot_mode, const char *);
 231
 232static inline u32 read_tmr0(void)
 233{
 234        u32 val;
 235        asm volatile("mrc p6, 0, %0, c0, c1, 0" : "=r" (val));
 236        return val;
 237}
 238
 239static inline void write_tmr0(u32 val)
 240{
 241        asm volatile("mcr p6, 0, %0, c0, c1, 0" : : "r" (val));
 242}
 243
 244static inline void write_tmr1(u32 val)
 245{
 246        asm volatile("mcr p6, 0, %0, c1, c1, 0" : : "r" (val));
 247}
 248
 249static inline u32 read_tcr0(void)
 250{
 251        u32 val;
 252        asm volatile("mrc p6, 0, %0, c2, c1, 0" : "=r" (val));
 253        return val;
 254}
 255
 256static inline void write_tcr0(u32 val)
 257{
 258        asm volatile("mcr p6, 0, %0, c2, c1, 0" : : "r" (val));
 259}
 260
 261static inline u32 read_tcr1(void)
 262{
 263        u32 val;
 264        asm volatile("mrc p6, 0, %0, c3, c1, 0" : "=r" (val));
 265        return val;
 266}
 267
 268static inline void write_tcr1(u32 val)
 269{
 270        asm volatile("mcr p6, 0, %0, c3, c1, 0" : : "r" (val));
 271}
 272
 273static inline void write_trr0(u32 val)
 274{
 275        asm volatile("mcr p6, 0, %0, c4, c1, 0" : : "r" (val));
 276}
 277
 278static inline void write_trr1(u32 val)
 279{
 280        asm volatile("mcr p6, 0, %0, c5, c1, 0" : : "r" (val));
 281}
 282
 283static inline void write_tisr(u32 val)
 284{
 285        asm volatile("mcr p6, 0, %0, c6, c1, 0" : : "r" (val));
 286}
 287
 288static inline u32 read_wdtcr(void)
 289{
 290        u32 val;
 291        asm volatile("mrc p6, 0, %0, c7, c1, 0":"=r" (val));
 292        return val;
 293}
 294static inline void write_wdtcr(u32 val)
 295{
 296        asm volatile("mcr p6, 0, %0, c7, c1, 0"::"r" (val));
 297}
 298
 299extern unsigned long get_iop_tick_rate(void);
 300
 301/* only iop13xx has these registers, we define these to present a
 302 * common register interface for the iop_wdt driver.
 303 */
 304#define IOP_RCSR_WDT    (0)
 305static inline u32 read_rcsr(void)
 306{
 307        return 0;
 308}
 309static inline void write_wdtsr(u32 val)
 310{
 311        do { } while (0);
 312}
 313
 314extern struct platform_device iop3xx_dma_0_channel;
 315extern struct platform_device iop3xx_dma_1_channel;
 316extern struct platform_device iop3xx_aau_channel;
 317extern struct platform_device iop3xx_i2c0_device;
 318extern struct platform_device iop3xx_i2c1_device;
 319extern struct gpiod_lookup_table iop3xx_i2c0_gpio_lookup;
 320extern struct gpiod_lookup_table iop3xx_i2c1_gpio_lookup;
 321
 322#endif
 323
 324
 325#endif
 326