diff options
| -rw-r--r-- | board/cpc45/Makefile | 2 | ||||
| -rw-r--r-- | board/cpc45/ide.c | 130 | ||||
| -rw-r--r-- | common/cmd_ide.c | 91 |
3 files changed, 131 insertions, 92 deletions
diff --git a/board/cpc45/Makefile b/board/cpc45/Makefile index 5c6b78f70..ac1d17440 100644 --- a/board/cpc45/Makefile +++ b/board/cpc45/Makefile @@ -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)) diff --git a/board/cpc45/ide.c b/board/cpc45/ide.c new file mode 100644 index 000000000..7b7237b90 --- /dev/null +++ b/board/cpc45/ide.c @@ -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++; + } +} diff --git a/common/cmd_ide.c b/common/cmd_ide.c index b9feb8046..ab790f675 100644 --- a/common/cmd_ide.c +++ b/common/cmd_ide.c @@ -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 */ |