projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 28920b1f PH |
1 | /* |
| 2 | * (C) Copyright 2001 | |
| 3 | * Rob Taylor, Flying Pig Systems. robt@flyingpig.com. | |
| 4 | * | |
| 5 | * (C) Copyright 2000-2011 | |
| 6 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
| 7 | * | |
| 1a459660 | 8 | * SPDX-License-Identifier: GPL-2.0+ |
| 28920b1f PH |
9 | */ |
| 10 | ||
| 11 | #include <common.h> | |
| 12 | #include <ide.h> | |
| 13 | #include <ata.h> | |
| 0a4a64c0 | 14 | #include <asm/io.h> |
| 28920b1f PH |
15 | |
| 16 | #define EIEIO __asm__ volatile ("eieio") | |
| 17 | #define SYNC __asm__ volatile ("sync") | |
| 18 | ||
| 19 | void ide_input_swap_data(int dev, ulong *sect_buf, int words) | |
| 20 | { | |
| 21 | uchar i; | |
| 22 | volatile uchar *pbuf_even = | |
| 23 | (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN); | |
| 24 | volatile uchar *pbuf_odd = | |
| 25 | (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD); | |
| 26 | ushort *dbuf = (ushort *) sect_buf; | |
| 27 | ||
| 28 | while (words--) { | |
| 29 | for (i = 0; i < 2; i++) { | |
| 30 | *(((uchar *) (dbuf)) + 1) = *pbuf_even; | |
| 31 | *(uchar *) dbuf = *pbuf_odd; | |
| 32 | dbuf += 1; | |
| 33 | } | |
| 34 | } | |
| 35 | } | |
| 36 | ||
| 37 | void ide_input_data(int dev, ulong *sect_buf, int words) | |
| 38 | { | |
| 39 | uchar *dbuf; | |
| 40 | volatile uchar *pbuf_even; | |
| 41 | volatile uchar *pbuf_odd; | |
| 42 | ||
| 43 | pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN); | |
| 44 | pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD); | |
| 45 | dbuf = (uchar *) sect_buf; | |
| 46 | while (words--) { | |
| 47 | *dbuf++ = *pbuf_even; | |
| 48 | EIEIO; | |
| 49 | SYNC; | |
| 50 | *dbuf++ = *pbuf_odd; | |
| 51 | EIEIO; | |
| 52 | SYNC; | |
| 53 | *dbuf++ = *pbuf_even; | |
| 54 | EIEIO; | |
| 55 | SYNC; | |
| 56 | *dbuf++ = *pbuf_odd; | |
| 57 | EIEIO; | |
| 58 | SYNC; | |
| 59 | } | |
| 60 | } | |
| 61 | ||
| 62 | void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts) | |
| 63 | { | |
| 64 | uchar *dbuf; | |
| 65 | volatile uchar *pbuf_even; | |
| 66 | volatile uchar *pbuf_odd; | |
| 67 | ||
| 68 | pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN); | |
| 69 | pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD); | |
| 70 | dbuf = (uchar *) sect_buf; | |
| 71 | while (shorts--) { | |
| 72 | EIEIO; | |
| 73 | *dbuf++ = *pbuf_even; | |
| 74 | EIEIO; | |
| 75 | *dbuf++ = *pbuf_odd; | |
| 76 | } | |
| 77 | } | |
| 78 | ||
| 79 | void ide_output_data(int dev, const ulong *sect_buf, int words) | |
| 80 | { | |
| 81 | uchar *dbuf; | |
| 82 | volatile uchar *pbuf_even; | |
| 83 | volatile uchar *pbuf_odd; | |
| 84 | ||
| 85 | pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN); | |
| 86 | pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD); | |
| 87 | dbuf = (uchar *) sect_buf; | |
| 88 | while (words--) { | |
| 89 | EIEIO; | |
| 90 | *pbuf_even = *dbuf++; | |
| 91 | EIEIO; | |
| 92 | *pbuf_odd = *dbuf++; | |
| 93 | EIEIO; | |
| 94 | *pbuf_even = *dbuf++; | |
| 95 | EIEIO; | |
| 96 | *pbuf_odd = *dbuf++; | |
| 97 | } | |
| 98 | } | |
| 99 | ||
| 100 | void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts) | |
| 101 | { | |
| 102 | uchar *dbuf; | |
| 103 | volatile uchar *pbuf_even; | |
| 104 | volatile uchar *pbuf_odd; | |
| 105 | ||
| 106 | pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN); | |
| 107 | pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD); | |
| 108 | dbuf = (uchar *) sect_buf; | |
| 109 | while (shorts--) { | |
| 110 | EIEIO; | |
| 111 | *pbuf_even = *dbuf++; | |
| 112 | EIEIO; | |
| 113 | *pbuf_odd = *dbuf++; | |
| 114 | } | |
| 115 | } | |
| 0a4a64c0 PH |
116 | |
| 117 | void ide_led(uchar led, uchar status) | |
| 118 | { | |
| 119 | u_char val; | |
| 120 | /* We have one PCMCIA slot and use LED H4 for the IDE Interface */ | |
| 121 | val = readb(BCSR_BASE + 0x04); | |
| 122 | if (status) /* led on */ | |
| 123 | val |= B_CTRL_LED0; | |
| 124 | else | |
| 125 | val &= ~B_CTRL_LED0; | |
| 126 | ||
| 127 | writeb(val, BCSR_BASE + 0x04); | |
| 128 | } |