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0a4a64c079
Keep all IDE-related hooks and overrides in a single file, to avoid confusion Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
146 lines
3.4 KiB
C
146 lines
3.4 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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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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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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