diff options
Diffstat (limited to 'common/cmd_ide.c')
| -rw-r--r-- | common/cmd_ide.c | 57 |
1 files changed, 37 insertions, 20 deletions
diff --git a/common/cmd_ide.c b/common/cmd_ide.c index 6b4813e..b9feb80 100644 --- a/common/cmd_ide.c +++ b/common/cmd_ide.c @@ -109,8 +109,6 @@ static uchar ide_wait (int dev, ulong t); #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */ -static void input_data(int dev, ulong *sect_buf, int words); -static void output_data(int dev, const ulong *sect_buf, int words); static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len); #ifndef CONFIG_SYS_ATA_PORT_ADDR @@ -483,12 +481,24 @@ block_dev_desc_t *ide_get_dev(int dev) /* ------------------------------------------------------------------------- */ +void ide_input_swap_data(int dev, ulong *sect_buf, int words) + __attribute__ ((weak, alias("__ide_input_swap_data"))); + +void ide_input_data(int dev, ulong *sect_buf, int words) + __attribute__ ((weak, alias("__ide_input_data"))); + +void ide_output_data(int dev, const ulong *sect_buf, int words) + __attribute__ ((weak, alias("__ide_output_data"))); + /* We only need to swap data if we are running on a big endian cpu. */ /* But Au1x00 cpu:s already swaps data in big endian mode! */ #if defined(__LITTLE_ENDIAN) || defined(CONFIG_SOC_AU1X00) -#define input_swap_data(x,y,z) input_data(x,y,z) +void __ide_input_swap_data(int dev, ulong *sect_buf, int words) +{ + ide_input_data(dev, sect_buf, words); +} #else -static void input_swap_data(int dev, ulong *sect_buf, int words) +void __ide_input_swap_data(int dev, ulong *sect_buf, int words) { #if defined(CONFIG_CPC45) uchar i; @@ -531,7 +541,7 @@ static void input_swap_data(int dev, ulong *sect_buf, int words) #if defined(CONFIG_IDE_SWAP_IO) -static void output_data(int dev, const ulong *sect_buf, int words) +void __ide_output_data(int dev, const ulong *sect_buf, int words) { #if defined(CONFIG_CPC45) uchar *dbuf; @@ -574,7 +584,7 @@ static void output_data(int dev, const ulong *sect_buf, int words) #endif } #else /* ! CONFIG_IDE_SWAP_IO */ -static void output_data(int dev, const ulong *sect_buf, int words) +void __ide_output_data(int dev, const ulong *sect_buf, int words) { #if defined(CONFIG_IDE_AHB) ide_write_data(dev, sect_buf, words); @@ -585,7 +595,7 @@ static void output_data(int dev, const ulong *sect_buf, int words) #endif /* CONFIG_IDE_SWAP_IO */ #if defined(CONFIG_IDE_SWAP_IO) -static void input_data(int dev, ulong *sect_buf, int words) +void __ide_input_data(int dev, ulong *sect_buf, int words) { #if defined(CONFIG_CPC45) uchar *dbuf; @@ -634,7 +644,7 @@ static void input_data(int dev, ulong *sect_buf, int words) #endif } #else /* ! CONFIG_IDE_SWAP_IO */ -static void input_data(int dev, ulong *sect_buf, int words) +void __ide_input_data(int dev, ulong *sect_buf, int words) { #if defined(CONFIG_IDE_AHB) ide_read_data(dev, sect_buf, words); @@ -744,7 +754,7 @@ static void ide_ident(block_dev_desc_t *dev_desc) return; #endif - input_swap_data(device, (ulong *)&iop, ATA_SECTORWORDS); + ide_input_swap_data(device, (ulong *)&iop, ATA_SECTORWORDS); ident_cpy((unsigned char *) dev_desc->revision, iop.fw_rev, sizeof(dev_desc->revision)); @@ -1006,7 +1016,7 @@ ulong ide_read(int device, lbaint_t blknr, ulong blkcnt, void *buffer) break; } - input_data(device, buffer, ATA_SECTORWORDS); + ide_input_data(device, buffer, ATA_SECTORWORDS); (void) ide_inb(device, ATA_STATUS); /* clear IRQ */ ++n; @@ -1099,7 +1109,7 @@ ulong ide_write(int device, lbaint_t blknr, ulong blkcnt, const void *buffer) goto WR_OUT; } - output_data(device, buffer, ATA_SECTORWORDS); + ide_output_data(device, buffer, ATA_SECTORWORDS); c = ide_inb(device, ATA_STATUS); /* clear IRQ */ ++n; ++blknr; @@ -1232,10 +1242,17 @@ int ide_device_present(int dev) * ATAPI Support */ +void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts) + __attribute__ ((weak, alias("__ide_input_data_shorts"))); + +void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts) + __attribute__ ((weak, alias("__ide_output_data_shorts"))); + + #if defined(CONFIG_IDE_SWAP_IO) /* since ATAPI may use commands with not 4 bytes alligned length * we have our own transfer functions, 2 bytes alligned */ -static void output_data_shorts(int dev, ushort *sect_buf, int shorts) +void __ide_output_data_shorts(int dev, ushort *sect_buf, int shorts) { #if defined(CONFIG_CPC45) uchar *dbuf; @@ -1267,7 +1284,7 @@ static void output_data_shorts(int dev, ushort *sect_buf, int shorts) #endif } -static void input_data_shorts(int dev, ushort *sect_buf, int shorts) +void __ide_input_data_shorts(int dev, ushort *sect_buf, int shorts) { #if defined(CONFIG_CPC45) uchar *dbuf; @@ -1300,12 +1317,12 @@ static void input_data_shorts(int dev, ushort *sect_buf, int shorts) } #else /* ! CONFIG_IDE_SWAP_IO */ -static void output_data_shorts(int dev, ushort *sect_buf, int shorts) +void __ide_output_data_shorts(int dev, ushort *sect_buf, int shorts) { outsw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts); } -static void input_data_shorts(int dev, ushort *sect_buf, int shorts) +void __ide_input_data_shorts(int dev, ushort *sect_buf, int shorts) { insw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts); } @@ -1384,7 +1401,7 @@ unsigned char atapi_issue(int device, unsigned char *ccb, int ccblen, } /* write command block */ - output_data_shorts(device, (unsigned short *) ccb, ccblen / 2); + ide_output_data_shorts(device, (unsigned short *) ccb, ccblen / 2); /* ATAPI Command written wait for completition */ udelay(5000); /* device must set bsy */ @@ -1435,12 +1452,12 @@ unsigned char atapi_issue(int device, unsigned char *ccb, int ccblen, /* ok now decide if it is an in or output */ if ((ide_inb(device, ATA_SECT_CNT) & 0x02) == 0) { debug("Write to device\n"); - output_data_shorts(device, (unsigned short *) buffer, - n); + ide_output_data_shorts(device, + (unsigned short *) buffer, n); } else { debug("Read from device @ %p shorts %d\n", buffer, n); - input_data_shorts(device, (unsigned short *) buffer, - n); + ide_input_data_shorts(device, + (unsigned short *) buffer, n); } } udelay(5000); /* seems that some CD ROMs need this... */ |