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authorJeroen Hofstee <jeroen@myspectrum.nl>2014-07-12 15:07:18 +0200
committerTom Rini <trini@ti.com>2014-07-22 07:44:26 -0400
commit2bb8eb8ec61026ed371481ac8490c3a1fcf82131 (patch)
tree05c33a1b209c68a739f3ae199948debefd30d277
parent5b9587ae31e26c5d6fd04ff0ef8cd7541b5abf56 (diff)
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common: cmd_ide: remove PIO mode
Since no board defines CONFIG_TUNE_PIO this is just dead code, so remove it. cc: Pavel Herrmann <morpheus.ibis@gmail.com> Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
-rw-r--r--common/cmd_ide.c84
1 files changed, 0 insertions, 84 deletions
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);