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>

diff --git a/common/cmd_ide.c b/common/cmd_ide.c
index c375ef2093b46ea3507c1071ff0bb26aa2489314..f3c0425d9892e73d185fdaec0c0a5f04f9c47cdb 100644 (file)
--- 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);