mirror of
https://github.com/AsahiLinux/u-boot
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128 lines
2.6 KiB
C
128 lines
2.6 KiB
C
/*
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* (C) Copyright 2001
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* Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
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*
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* (C) Copyright 2000-2011
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <ide.h>
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#include <ata.h>
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#include <asm/io.h>
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#define EIEIO __asm__ volatile ("eieio")
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#define SYNC __asm__ volatile ("sync")
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void ide_input_swap_data(int dev, ulong *sect_buf, int words)
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{
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uchar i;
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volatile uchar *pbuf_even =
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(uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN);
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volatile uchar *pbuf_odd =
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(uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD);
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ushort *dbuf = (ushort *) sect_buf;
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while (words--) {
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for (i = 0; i < 2; i++) {
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*(((uchar *) (dbuf)) + 1) = *pbuf_even;
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*(uchar *) dbuf = *pbuf_odd;
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dbuf += 1;
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}
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}
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}
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void ide_input_data(int dev, ulong *sect_buf, int words)
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{
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uchar *dbuf;
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volatile uchar *pbuf_even;
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volatile uchar *pbuf_odd;
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pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN);
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pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD);
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dbuf = (uchar *) sect_buf;
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while (words--) {
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*dbuf++ = *pbuf_even;
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EIEIO;
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SYNC;
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*dbuf++ = *pbuf_odd;
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EIEIO;
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SYNC;
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*dbuf++ = *pbuf_even;
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EIEIO;
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SYNC;
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*dbuf++ = *pbuf_odd;
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EIEIO;
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SYNC;
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}
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}
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void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts)
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{
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uchar *dbuf;
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volatile uchar *pbuf_even;
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volatile uchar *pbuf_odd;
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pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN);
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pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD);
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dbuf = (uchar *) sect_buf;
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while (shorts--) {
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EIEIO;
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*dbuf++ = *pbuf_even;
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EIEIO;
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*dbuf++ = *pbuf_odd;
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}
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}
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void ide_output_data(int dev, const ulong *sect_buf, int words)
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{
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uchar *dbuf;
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volatile uchar *pbuf_even;
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volatile uchar *pbuf_odd;
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pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN);
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pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD);
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dbuf = (uchar *) sect_buf;
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while (words--) {
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EIEIO;
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*pbuf_even = *dbuf++;
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EIEIO;
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*pbuf_odd = *dbuf++;
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EIEIO;
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*pbuf_even = *dbuf++;
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EIEIO;
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*pbuf_odd = *dbuf++;
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}
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}
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void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
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{
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uchar *dbuf;
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volatile uchar *pbuf_even;
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volatile uchar *pbuf_odd;
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pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN);
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pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD);
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dbuf = (uchar *) sect_buf;
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while (shorts--) {
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EIEIO;
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*pbuf_even = *dbuf++;
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EIEIO;
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*pbuf_odd = *dbuf++;
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}
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}
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void ide_led(uchar led, uchar status)
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{
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u_char val;
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/* We have one PCMCIA slot and use LED H4 for the IDE Interface */
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val = readb(BCSR_BASE + 0x04);
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if (status) /* led on */
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val |= B_CTRL_LED0;
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else
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val &= ~B_CTRL_LED0;
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writeb(val, BCSR_BASE + 0x04);
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}
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