board/sc3/sc3.h

   1 /*
   2  * (C) Copyright 2000
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 /**
  25  * hcWriteWord - write a 16 bit value into the USB controller
  26  * @base: base address to access the chip registers
  27  * @value: 16 bit value to write into register @offset
  28  * @offset: register to write the @value into
  29  *
  30  */
  31 static void inline hcWriteWord (unsigned long base, unsigned int value,
  32                                 unsigned int offset)
  33 {
  34         out_le16 ((volatile u16*)(base + 2), offset | 0x80);
  35         out_le16 ((volatile u16*)base, value);
  36 }
  37
  38 /**
  39  * hcWriteDWord - write a 32 bit value into the USB controller
  40  * @base: base address to access the chip registers
  41  * @value: 32 bit value to write into register @offset
  42  * @offset: register to write the @value into
  43  *
  44  */
  45
  46 static void inline hcWriteDWord (unsigned long base, unsigned long value,
  47                                 unsigned int offset)
  48 {
  49         out_le16 ((volatile u16*)(base + 2), offset | 0x80);
  50         out_le16 ((volatile u16*)base, value);
  51         out_le16 ((volatile u16*)base, value >> 16);
  52 }
  53
  54 /**
  55  * hcReadWord - read a 16 bit value from the USB controller
  56  * @base: base address to access the chip registers
  57  * @offset: register to read from
  58  *
  59  * Returns the readed register value
  60  */
  61
  62 static unsigned int inline hcReadWord (unsigned long base, unsigned int offset)
  63 {
  64         out_le16 ((volatile u16*)(base + 2), offset);
  65         return (in_le16 ((volatile u16*)base));
  66 }
  67
  68 /**
  69  * hcReadDWord - read a 32 bit value from the USB controller
  70  * @base: base address to access the chip registers
  71  * @offset: register to read from
  72  *
  73  * Returns the readed register value
  74  */
  75
  76 static unsigned long inline hcReadDWord (unsigned long base, unsigned int offset)
  77 {
  78         unsigned long val, val16;
  79
  80         out_le16 ((volatile u16*)(base + 2), offset);
  81         val = in_le16((volatile u16*)base);
  82         val16 = in_le16((volatile u16*)base);
  83         return (val | (val16 << 16));
  84 }
  85
  86 /* control and status registers isp1161 */
  87 #define HcRevision              0x00
  88 #define HcControl               0x01
  89 #define HcCommandStatus         0x02
  90 #define HcInterruptStatus       0x03
  91 #define HcInterruptEnable       0x04
  92 #define HcInterruptDisable      0x05
  93 #define HcFmInterval            0x0D
  94 #define HcFmRemaining           0x0E
  95 #define HcFmNumber              0x0F
  96 #define HcLSThreshold           0x11
  97 #define HcRhDescriptorA         0x12
  98 #define HcRhDescriptorB         0x13
  99 #define HcRhStatus              0x14
 100 #define HcRhPortStatus1         0x15
 101 #define HcRhPortStatus2         0x16
 102
 103 #define HcHardwareConfiguration 0x20
 104 #define HcDMAConfiguration      0x21
 105 #define HcTransferCounter       0x22
 106 #define HcuPInterrupt           0x24
 107 #define HcuPInterruptEnable     0x25
 108 #define HcChipID                0x27
 109 #define HcScratch               0x28
 110 #define HcSoftwareReset         0x29
 111 #define HcITLBufferLength       0x2A
 112 #define HcATLBufferLength       0x2B
 113 #define HcBufferStatus          0x2C
 114 #define HcReadBackITL0Length    0x2D
 115 #define HcReadBackITL1Length    0x2E
 116 #define HcITLBufferPort         0x40
 117 #define HcATLBufferPort         0x41