arch/mips/include/asm/emma/emma2rh.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *  Copyright (C) NEC Electronics Corporation 2005-2006
   4  *
   5  *  This file based on include/asm-mips/ddb5xxx/ddb5xxx.h
   6  *          Copyright 2001 MontaVista Software Inc.
   7  */
   8 #ifndef __ASM_EMMA_EMMA2RH_H
   9 #define __ASM_EMMA_EMMA2RH_H
  10
  11 #include <irq.h>
  12
  13 /*
  14  * EMMA2RH registers
  15  */
  16 #define REGBASE 0x10000000
  17
  18 #define EMMA2RH_BHIF_STRAP_0    (0x000010+REGBASE)
  19 #define EMMA2RH_BHIF_INT_ST_0   (0x000030+REGBASE)
  20 #define EMMA2RH_BHIF_INT_ST_1   (0x000034+REGBASE)
  21 #define EMMA2RH_BHIF_INT_ST_2   (0x000038+REGBASE)
  22 #define EMMA2RH_BHIF_INT_EN_0   (0x000040+REGBASE)
  23 #define EMMA2RH_BHIF_INT_EN_1   (0x000044+REGBASE)
  24 #define EMMA2RH_BHIF_INT_EN_2   (0x000048+REGBASE)
  25 #define EMMA2RH_BHIF_INT1_EN_0  (0x000050+REGBASE)
  26 #define EMMA2RH_BHIF_INT1_EN_1  (0x000054+REGBASE)
  27 #define EMMA2RH_BHIF_INT1_EN_2  (0x000058+REGBASE)
  28 #define EMMA2RH_BHIF_SW_INT     (0x000070+REGBASE)
  29 #define EMMA2RH_BHIF_SW_INT_EN  (0x000080+REGBASE)
  30 #define EMMA2RH_BHIF_SW_INT_CLR (0x000090+REGBASE)
  31 #define EMMA2RH_BHIF_MAIN_CTRL  (0x0000b4+REGBASE)
  32 #define EMMA2RH_BHIF_EXCEPT_VECT_BASE_ADDRESS   (0x0000c0+REGBASE)
  33 #define EMMA2RH_GPIO_DIR        (0x110d20+REGBASE)
  34 #define EMMA2RH_GPIO_INT_ST     (0x110d30+REGBASE)
  35 #define EMMA2RH_GPIO_INT_MASK   (0x110d3c+REGBASE)
  36 #define EMMA2RH_GPIO_INT_MODE   (0x110d48+REGBASE)
  37 #define EMMA2RH_GPIO_INT_CND_A  (0x110d54+REGBASE)
  38 #define EMMA2RH_GPIO_INT_CND_B  (0x110d60+REGBASE)
  39 #define EMMA2RH_PBRD_INT_EN     (0x100010+REGBASE)
  40 #define EMMA2RH_PBRD_CLKSEL     (0x100028+REGBASE)
  41 #define EMMA2RH_PFUR0_BASE      (0x101000+REGBASE)
  42 #define EMMA2RH_PFUR1_BASE      (0x102000+REGBASE)
  43 #define EMMA2RH_PFUR2_BASE      (0x103000+REGBASE)
  44 #define EMMA2RH_PIIC0_BASE      (0x107000+REGBASE)
  45 #define EMMA2RH_PIIC1_BASE      (0x108000+REGBASE)
  46 #define EMMA2RH_PIIC2_BASE      (0x109000+REGBASE)
  47 #define EMMA2RH_PCI_CONTROL     (0x200000+REGBASE)
  48 #define EMMA2RH_PCI_ARBIT_CTR   (0x200004+REGBASE)
  49 #define EMMA2RH_PCI_IWIN0_CTR   (0x200010+REGBASE)
  50 #define EMMA2RH_PCI_IWIN1_CTR   (0x200014+REGBASE)
  51 #define EMMA2RH_PCI_INIT_ESWP   (0x200018+REGBASE)
  52 #define EMMA2RH_PCI_INT         (0x200020+REGBASE)
  53 #define EMMA2RH_PCI_INT_EN      (0x200024+REGBASE)
  54 #define EMMA2RH_PCI_TWIN_CTR    (0x200030+REGBASE)
  55 #define EMMA2RH_PCI_TWIN_BADR   (0x200034+REGBASE)
  56 #define EMMA2RH_PCI_TWIN0_DADR  (0x200038+REGBASE)
  57 #define EMMA2RH_PCI_TWIN1_DADR  (0x20003c+REGBASE)
  58
  59 /*
  60  *  Memory map (physical address)
  61  *
  62  *  Note most of the following address must be properly aligned by the
  63  *  corresponding size.  For example, if PCI_IO_SIZE is 16MB, then
  64  *  PCI_IO_BASE must be aligned along 16MB boundary.
  65  */
  66
  67 /* the actual ram size is detected at run-time */
  68 #define EMMA2RH_RAM_BASE        0x00000000
  69 #define EMMA2RH_RAM_SIZE        0x10000000      /* less than 256MB */
  70
  71 #define EMMA2RH_IO_BASE         0x10000000
  72 #define EMMA2RH_IO_SIZE         0x01000000      /* 16 MB */
  73
  74 #define EMMA2RH_GENERALIO_BASE  0x11000000
  75 #define EMMA2RH_GENERALIO_SIZE  0x01000000      /* 16 MB */
  76
  77 #define EMMA2RH_PCI_IO_BASE     0x12000000
  78 #define EMMA2RH_PCI_IO_SIZE     0x02000000      /* 32 MB */
  79
  80 #define EMMA2RH_PCI_MEM_BASE    0x14000000
  81 #define EMMA2RH_PCI_MEM_SIZE    0x08000000      /* 128 MB */
  82
  83 #define EMMA2RH_ROM_BASE        0x1c000000
  84 #define EMMA2RH_ROM_SIZE        0x04000000      /* 64 MB */
  85
  86 #define EMMA2RH_PCI_CONFIG_BASE EMMA2RH_PCI_IO_BASE
  87 #define EMMA2RH_PCI_CONFIG_SIZE EMMA2RH_PCI_IO_SIZE
  88
  89 #define NUM_EMMA2RH_IRQ         96
  90
  91 #define EMMA2RH_IRQ_BASE        (MIPS_CPU_IRQ_BASE + 8)
  92
  93 /*
  94  * emma2rh irq defs
  95  */
  96
  97 #define EMMA2RH_IRQ_INT(n)      (EMMA2RH_IRQ_BASE + (n))
  98
  99 #define EMMA2RH_IRQ_PFUR0       EMMA2RH_IRQ_INT(49)
 100 #define EMMA2RH_IRQ_PFUR1       EMMA2RH_IRQ_INT(50)
 101 #define EMMA2RH_IRQ_PFUR2       EMMA2RH_IRQ_INT(51)
 102 #define EMMA2RH_IRQ_PIIC0       EMMA2RH_IRQ_INT(56)
 103 #define EMMA2RH_IRQ_PIIC1       EMMA2RH_IRQ_INT(57)
 104 #define EMMA2RH_IRQ_PIIC2       EMMA2RH_IRQ_INT(58)
 105
 106 /*
 107  *  EMMA2RH Register Access
 108  */
 109
 110 #define EMMA2RH_BASE (0xa0000000)
 111
 112 static inline void emma2rh_sync(void)
 113 {
 114         volatile u32 *p = (volatile u32 *)0xbfc00000;
 115         (void)(*p);
 116 }
 117
 118 static inline void emma2rh_out32(u32 offset, u32 val)
 119 {
 120         *(volatile u32 *)(EMMA2RH_BASE | offset) = val;
 121         emma2rh_sync();
 122 }
 123
 124 static inline u32 emma2rh_in32(u32 offset)
 125 {
 126         u32 val = *(volatile u32 *)(EMMA2RH_BASE | offset);
 127         return val;
 128 }
 129
 130 static inline void emma2rh_out16(u32 offset, u16 val)
 131 {
 132         *(volatile u16 *)(EMMA2RH_BASE | offset) = val;
 133         emma2rh_sync();
 134 }
 135
 136 static inline u16 emma2rh_in16(u32 offset)
 137 {
 138         u16 val = *(volatile u16 *)(EMMA2RH_BASE | offset);
 139         return val;
 140 }
 141
 142 static inline void emma2rh_out8(u32 offset, u8 val)
 143 {
 144         *(volatile u8 *)(EMMA2RH_BASE | offset) = val;
 145         emma2rh_sync();
 146 }
 147
 148 static inline u8 emma2rh_in8(u32 offset)
 149 {
 150         u8 val = *(volatile u8 *)(EMMA2RH_BASE | offset);
 151         return val;
 152 }
 153
 154 /**
 155  * IIC registers map
 156  **/
 157
 158 /*---------------------------------------------------------------------------*/
 159 /* CNT - Control register (00H R/W)                                          */
 160 /*---------------------------------------------------------------------------*/
 161 #define SPT         0x00000001
 162 #define STT         0x00000002
 163 #define ACKE        0x00000004
 164 #define WTIM        0x00000008
 165 #define SPIE        0x00000010
 166 #define WREL        0x00000020
 167 #define LREL        0x00000040
 168 #define IICE        0x00000080
 169 #define CNT_RESERVED    0x000000ff      /* reserved bit 0 */
 170
 171 #define I2C_EMMA_START      (IICE | STT)
 172 #define I2C_EMMA_STOP       (IICE | SPT)
 173 #define I2C_EMMA_REPSTART   I2C_EMMA_START
 174
 175 /*---------------------------------------------------------------------------*/
 176 /* STA - Status register (10H Read)                                          */
 177 /*---------------------------------------------------------------------------*/
 178 #define MSTS        0x00000080
 179 #define ALD         0x00000040
 180 #define EXC         0x00000020
 181 #define COI         0x00000010
 182 #define TRC         0x00000008
 183 #define ACKD        0x00000004
 184 #define STD         0x00000002
 185 #define SPD         0x00000001
 186
 187 /*---------------------------------------------------------------------------*/
 188 /* CSEL - Clock select register (20H R/W)                                    */
 189 /*---------------------------------------------------------------------------*/
 190 #define FCL         0x00000080
 191 #define ND50        0x00000040
 192 #define CLD         0x00000020
 193 #define DAD         0x00000010
 194 #define SMC         0x00000008
 195 #define DFC         0x00000004
 196 #define CL          0x00000003
 197 #define CSEL_RESERVED   0x000000ff      /* reserved bit 0 */
 198
 199 #define FAST397     0x0000008b
 200 #define FAST297     0x0000008a
 201 #define FAST347     0x0000000b
 202 #define FAST260     0x0000000a
 203 #define FAST130     0x00000008
 204 #define STANDARD108 0x00000083
 205 #define STANDARD83  0x00000082
 206 #define STANDARD95  0x00000003
 207 #define STANDARD73  0x00000002
 208 #define STANDARD36  0x00000001
 209 #define STANDARD71  0x00000000
 210
 211 /*---------------------------------------------------------------------------*/
 212 /* SVA - Slave address register (30H R/W)                                    */
 213 /*---------------------------------------------------------------------------*/
 214 #define SVA         0x000000fe
 215
 216 /*---------------------------------------------------------------------------*/
 217 /* SHR - Shift register (40H R/W)                                            */
 218 /*---------------------------------------------------------------------------*/
 219 #define SR          0x000000ff
 220
 221 /*---------------------------------------------------------------------------*/
 222 /* INT - Interrupt register (50H R/W)                                        */
 223 /* INTM - Interrupt mask register (60H R/W)                                  */
 224 /*---------------------------------------------------------------------------*/
 225 #define INTE0       0x00000001
 226
 227 /***********************************************************************
 228  * I2C registers
 229  ***********************************************************************
 230  */
 231 #define I2C_EMMA_CNT            0x00
 232 #define I2C_EMMA_STA            0x10
 233 #define I2C_EMMA_CSEL           0x20
 234 #define I2C_EMMA_SVA            0x30
 235 #define I2C_EMMA_SHR            0x40
 236 #define I2C_EMMA_INT            0x50
 237 #define I2C_EMMA_INTM           0x60
 238
 239 /*
 240  * include the board dependent part
 241  */
 242 #ifdef CONFIG_NEC_MARKEINS
 243 #include <asm/emma/markeins.h>
 244 #else
 245 #error "Unknown EMMA2RH board!"
 246 #endif
 247
 248 #endif /* __ASM_EMMA_EMMA2RH_H */