board/sc3/sc3.h

   1 /*
   2  * (C) Copyright 2000
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 /**
   9  * hcWriteWord - write a 16 bit value into the USB controller
  10  * @base: base address to access the chip registers
  11  * @value: 16 bit value to write into register @offset
  12  * @offset: register to write the @value into
  13  *
  14  */
  15 static void inline hcWriteWord (unsigned long base, unsigned int value,
  16                                 unsigned int offset)
  17 {
  18         out_le16 ((volatile u16*)(base + 2), offset | 0x80);
  19         out_le16 ((volatile u16*)base, value);
  20 }
  21
  22 /**
  23  * hcWriteDWord - write a 32 bit value into the USB controller
  24  * @base: base address to access the chip registers
  25  * @value: 32 bit value to write into register @offset
  26  * @offset: register to write the @value into
  27  *
  28  */
  29
  30 static void inline hcWriteDWord (unsigned long base, unsigned long value,
  31                                 unsigned int offset)
  32 {
  33         out_le16 ((volatile u16*)(base + 2), offset | 0x80);
  34         out_le16 ((volatile u16*)base, value);
  35         out_le16 ((volatile u16*)base, value >> 16);
  36 }
  37
  38 /**
  39  * hcReadWord - read a 16 bit value from the USB controller
  40  * @base: base address to access the chip registers
  41  * @offset: register to read from
  42  *
  43  * Returns the readed register value
  44  */
  45
  46 static unsigned int inline hcReadWord (unsigned long base, unsigned int offset)
  47 {
  48         out_le16 ((volatile u16*)(base + 2), offset);
  49         return (in_le16 ((volatile u16*)base));
  50 }
  51
  52 /**
  53  * hcReadDWord - read a 32 bit value from the USB controller
  54  * @base: base address to access the chip registers
  55  * @offset: register to read from
  56  *
  57  * Returns the readed register value
  58  */
  59
  60 static unsigned long inline hcReadDWord (unsigned long base, unsigned int offset)
  61 {
  62         unsigned long val, val16;
  63
  64         out_le16 ((volatile u16*)(base + 2), offset);
  65         val = in_le16((volatile u16*)base);
  66         val16 = in_le16((volatile u16*)base);
  67         return (val | (val16 << 16));
  68 }
  69
  70 /* control and status registers isp1161 */
  71 #define HcRevision              0x00
  72 #define HcControl               0x01
  73 #define HcCommandStatus         0x02
  74 #define HcInterruptStatus       0x03
  75 #define HcInterruptEnable       0x04
  76 #define HcInterruptDisable      0x05
  77 #define HcFmInterval            0x0D
  78 #define HcFmRemaining           0x0E
  79 #define HcFmNumber              0x0F
  80 #define HcLSThreshold           0x11
  81 #define HcRhDescriptorA         0x12
  82 #define HcRhDescriptorB         0x13
  83 #define HcRhStatus              0x14
  84 #define HcRhPortStatus1         0x15
  85 #define HcRhPortStatus2         0x16
  86
  87 #define HcHardwareConfiguration 0x20
  88 #define HcDMAConfiguration      0x21
  89 #define HcTransferCounter       0x22
  90 #define HcuPInterrupt           0x24
  91 #define HcuPInterruptEnable     0x25
  92 #define HcChipID                0x27
  93 #define HcScratch               0x28
  94 #define HcSoftwareReset         0x29
  95 #define HcITLBufferLength       0x2A
  96 #define HcATLBufferLength       0x2B
  97 #define HcBufferStatus          0x2C
  98 #define HcReadBackITL0Length    0x2D
  99 #define HcReadBackITL1Length    0x2E
 100 #define HcITLBufferPort         0x40
 101 #define HcATLBufferPort         0x41