From 2bb8eb8ec61026ed371481ac8490c3a1fcf82131 Mon Sep 17 00:00:00 2001 From: Jeroen Hofstee Date: Sat, 12 Jul 2014 15:07:18 +0200 Subject: common: cmd_ide: remove PIO mode Since no board defines CONFIG_TUNE_PIO this is just dead code, so remove it. cc: Pavel Herrmann Signed-off-by: Jeroen Hofstee --- common/cmd_ide.c | 84 -------------------------------------------------------- 1 file changed, 84 deletions(-) (limited to 'common') diff --git a/common/cmd_ide.c b/common/cmd_ide.c index c375ef2..f3c0425 100644 --- a/common/cmd_ide.c +++ b/common/cmd_ide.c @@ -321,16 +321,6 @@ inline unsigned char __ide_inb(int dev, int port) unsigned char ide_inb(int dev, int port) __attribute__ ((weak, alias("__ide_inb"))); -#ifdef CONFIG_TUNE_PIO -inline int __ide_set_piomode(int pio_mode) -{ - return 0; -} - -inline int ide_set_piomode(int pio_mode) - __attribute__ ((weak, alias("__ide_set_piomode"))); -#endif - void ide_init(void) { unsigned char c; @@ -575,14 +565,6 @@ static void ide_ident(block_dev_desc_t *dev_desc) #ifdef CONFIG_ATAPI int retries = 0; #endif - -#ifdef CONFIG_TUNE_PIO - int pio_mode; -#endif - -#if 0 - int mode, cycle_time; -#endif int device; device = dev_desc->dev; @@ -691,72 +673,6 @@ static void ide_ident(block_dev_desc_t *dev_desc) else dev_desc->removable = 0; -#ifdef CONFIG_TUNE_PIO - /* Mode 0 - 2 only, are directly determined by word 51. */ - pio_mode = iop.tPIO; - if (pio_mode > 2) { - printf("WARNING: Invalid PIO (word 51 = %d).\n", pio_mode); - /* Force it to dead slow, and hope for the best... */ - pio_mode = 0; - } - - /* Any CompactFlash Storage Card that supports PIO mode 3 or above - * shall set bit 1 of word 53 to one and support the fields contained - * in words 64 through 70. - */ - if (iop.field_valid & 0x02) { - /* - * Mode 3 and above are possible. Check in order from slow - * to fast, so we wind up with the highest mode allowed. - */ - if (iop.eide_pio_modes & 0x01) - pio_mode = 3; - if (iop.eide_pio_modes & 0x02) - pio_mode = 4; - if (ata_id_is_cfa((u16 *)&iop)) { - if ((iop.cf_advanced_caps & 0x07) == 0x01) - pio_mode = 5; - if ((iop.cf_advanced_caps & 0x07) == 0x02) - pio_mode = 6; - } - } - - /* System-specific, depends on bus speeds, etc. */ - ide_set_piomode(pio_mode); -#endif /* CONFIG_TUNE_PIO */ - -#if 0 - /* - * Drive PIO mode autoselection - */ - mode = iop.tPIO; - - printf("tPIO = 0x%02x = %d\n", mode, mode); - if (mode > 2) { /* 2 is maximum allowed tPIO value */ - mode = 2; - debug("Override tPIO -> 2\n"); - } - if (iop.field_valid & 2) { /* drive implements ATA2? */ - debug("Drive implements ATA2\n"); - if (iop.capability & 8) { /* drive supports use_iordy? */ - cycle_time = iop.eide_pio_iordy; - } else { - cycle_time = iop.eide_pio; - } - debug("cycle time = %d\n", cycle_time); - mode = 4; - if (cycle_time > 120) - mode = 3; /* 120 ns for PIO mode 4 */ - if (cycle_time > 180) - mode = 2; /* 180 ns for PIO mode 3 */ - if (cycle_time > 240) - mode = 1; /* 240 ns for PIO mode 4 */ - if (cycle_time > 383) - mode = 0; /* 383 ns for PIO mode 4 */ - } - printf("PIO mode to use: PIO %d\n", mode); -#endif /* 0 */ - #ifdef CONFIG_ATAPI if (dev_desc->if_type == IF_TYPE_ATAPI) { atapi_inquiry(dev_desc); -- cgit v1.1