mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 19:28:36 +00:00
0a4a64c079
Keep all IDE-related hooks and overrides in a single file, to avoid confusion Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
145 lines
3.4 KiB
C
145 lines
3.4 KiB
C
/*
|
|
* (C) Copyright 2001
|
|
* Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
|
|
*
|
|
* (C) Copyright 2000-2011
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <ide.h>
|
|
#include <ata.h>
|
|
#include <asm/io.h>
|
|
|
|
#define EIEIO __asm__ volatile ("eieio")
|
|
#define SYNC __asm__ volatile ("sync")
|
|
|
|
void ide_input_swap_data(int dev, ulong *sect_buf, int words)
|
|
{
|
|
uchar i;
|
|
volatile uchar *pbuf_even =
|
|
(uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN);
|
|
volatile uchar *pbuf_odd =
|
|
(uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD);
|
|
ushort *dbuf = (ushort *) sect_buf;
|
|
|
|
while (words--) {
|
|
for (i = 0; i < 2; i++) {
|
|
*(((uchar *) (dbuf)) + 1) = *pbuf_even;
|
|
*(uchar *) dbuf = *pbuf_odd;
|
|
dbuf += 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ide_input_data(int dev, ulong *sect_buf, int words)
|
|
{
|
|
uchar *dbuf;
|
|
volatile uchar *pbuf_even;
|
|
volatile uchar *pbuf_odd;
|
|
|
|
pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN);
|
|
pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD);
|
|
dbuf = (uchar *) sect_buf;
|
|
while (words--) {
|
|
*dbuf++ = *pbuf_even;
|
|
EIEIO;
|
|
SYNC;
|
|
*dbuf++ = *pbuf_odd;
|
|
EIEIO;
|
|
SYNC;
|
|
*dbuf++ = *pbuf_even;
|
|
EIEIO;
|
|
SYNC;
|
|
*dbuf++ = *pbuf_odd;
|
|
EIEIO;
|
|
SYNC;
|
|
}
|
|
}
|
|
|
|
void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts)
|
|
{
|
|
uchar *dbuf;
|
|
volatile uchar *pbuf_even;
|
|
volatile uchar *pbuf_odd;
|
|
|
|
pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN);
|
|
pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD);
|
|
dbuf = (uchar *) sect_buf;
|
|
while (shorts--) {
|
|
EIEIO;
|
|
*dbuf++ = *pbuf_even;
|
|
EIEIO;
|
|
*dbuf++ = *pbuf_odd;
|
|
}
|
|
}
|
|
|
|
void ide_output_data(int dev, const ulong *sect_buf, int words)
|
|
{
|
|
uchar *dbuf;
|
|
volatile uchar *pbuf_even;
|
|
volatile uchar *pbuf_odd;
|
|
|
|
pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN);
|
|
pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD);
|
|
dbuf = (uchar *) sect_buf;
|
|
while (words--) {
|
|
EIEIO;
|
|
*pbuf_even = *dbuf++;
|
|
EIEIO;
|
|
*pbuf_odd = *dbuf++;
|
|
EIEIO;
|
|
*pbuf_even = *dbuf++;
|
|
EIEIO;
|
|
*pbuf_odd = *dbuf++;
|
|
}
|
|
}
|
|
|
|
void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
|
|
{
|
|
uchar *dbuf;
|
|
volatile uchar *pbuf_even;
|
|
volatile uchar *pbuf_odd;
|
|
|
|
pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN);
|
|
pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD);
|
|
dbuf = (uchar *) sect_buf;
|
|
while (shorts--) {
|
|
EIEIO;
|
|
*pbuf_even = *dbuf++;
|
|
EIEIO;
|
|
*pbuf_odd = *dbuf++;
|
|
}
|
|
}
|
|
|
|
void ide_led(uchar led, uchar status)
|
|
{
|
|
u_char val;
|
|
/* We have one PCMCIA slot and use LED H4 for the IDE Interface */
|
|
val = readb(BCSR_BASE + 0x04);
|
|
if (status) /* led on */
|
|
val |= B_CTRL_LED0;
|
|
else
|
|
val &= ~B_CTRL_LED0;
|
|
|
|
writeb(val, BCSR_BASE + 0x04);
|
|
}
|
|
|