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split CPC45 board-specific IDE functions from cmd_ide.c 

Move input_data() and friends to board/cpc45/ide.c, as overrides for weak
aliases in cmd_ide.c

note: checkpatch emits warnings about using volatile

Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
This commit is contained in:
Pavel Herrmann 2012-10-07 05:56:09 +00:00 committed by Tom Rini
parent f5b82c0f9c
commit 28920b1fd2
3 changed files with 131 additions and 92 deletions
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2
board/cpc45/Makefile
View File

@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
COBJS = $(BOARD).o flash.o plx9030.o pd67290.o
COBJS = $(BOARD).o flash.o plx9030.o pd67290.o ide.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))

130
board/cpc45/ide.c Normal file
View File

@ -0,0 +1,130 @@
/*
* (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>
#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++;
}
}

91
common/cmd_ide.c
View File

@ -500,22 +500,6 @@ void __ide_input_swap_data(int dev, ulong *sect_buf, int words)
#else
void __ide_input_swap_data(int dev, ulong *sect_buf, int words)
{
#if defined(CONFIG_CPC45)
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;
}
}
#else
volatile ushort *pbuf =
(ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG);
ushort *dbuf = (ushort *) sect_buf;
@ -535,7 +519,6 @@ void __ide_input_swap_data(int dev, ulong *sect_buf, int words)
*dbuf++ = ld_le16(pbuf);
#endif /* !MIPS */
}
#endif
}
#endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
@ -543,25 +526,6 @@ void __ide_input_swap_data(int dev, ulong *sect_buf, int words)
#if defined(CONFIG_IDE_SWAP_IO)
void __ide_output_data(int dev, const ulong *sect_buf, int words)
{
#if defined(CONFIG_CPC45)
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++;
}
#else
ushort *dbuf;
volatile ushort *pbuf;
@ -581,7 +545,6 @@ void __ide_output_data(int dev, const ulong *sect_buf, int words)
*pbuf = *dbuf++;
#endif
}
#endif
}
#else /* ! CONFIG_IDE_SWAP_IO */
void __ide_output_data(int dev, const ulong *sect_buf, int words)
@ -597,29 +560,6 @@ void __ide_output_data(int dev, const ulong *sect_buf, int words)
#if defined(CONFIG_IDE_SWAP_IO)
void __ide_input_data(int dev, ulong *sect_buf, int words)
{
#if defined(CONFIG_CPC45)
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;
}
#else
ushort *dbuf;
volatile ushort *pbuf;
@ -641,7 +581,6 @@ void __ide_input_data(int dev, ulong *sect_buf, int words)
*dbuf++ = *pbuf;
#endif
}
#endif
}
#else /* ! CONFIG_IDE_SWAP_IO */
void __ide_input_data(int dev, ulong *sect_buf, int words)
@ -1254,20 +1193,6 @@ void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
* we have our own transfer functions, 2 bytes alligned */
void __ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
{
#if defined(CONFIG_CPC45)
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);
while (shorts--) {
EIEIO;
*pbuf_even = *dbuf++;
EIEIO;
*pbuf_odd = *dbuf++;
}
#else
ushort *dbuf;
volatile ushort *pbuf;
@ -1281,25 +1206,10 @@ void __ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
EIEIO;
*pbuf = *dbuf++;
}
#endif
}
void __ide_input_data_shorts(int dev, ushort *sect_buf, int shorts)
{
#if defined(CONFIG_CPC45)
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);
while (shorts--) {
EIEIO;
*dbuf++ = *pbuf_even;
EIEIO;
*dbuf++ = *pbuf_odd;
}
#else
ushort *dbuf;
volatile ushort *pbuf;
@ -1313,7 +1223,6 @@ void __ide_input_data_shorts(int dev, ushort *sect_buf, int shorts)
EIEIO;
*dbuf++ = *pbuf;
}
#endif
}
#else /* ! CONFIG_IDE_SWAP_IO */