| Heiko Schocher | ca43ba1 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 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 |