Changeset 1c1657c in mainline

Timestamp:

2009-08-22T19:34:25Z (15 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

5048be7

Parents:

a1f48f6

Message:

Fix: LBA-48 uses different command numbers.

Location:

uspace/srv/bd/ata_bd

Files:

• ata_bd.c (modified) (2 diffs)
• ata_bd.h (modified) (1 diff)

uspace/srv/bd/ata_bd/ata_bd.c

@@ -550 +550 @@
         pio_write_8(&cmd->cylinder_high, c >> 16);
 
-        pio_write_8(&cmd->command, CMD_READ_SECTORS);
+        pio_write_8(&cmd->command, d->amode == am_lba48 ?
+            CMD_READ_SECTORS_EXT : CMD_READ_SECTORS);
 
         if (wait_status(0, ~SR_BSY, &status, TIMEOUT_BSY) != EOK) {
@@ -661 +662 @@
         pio_write_8(&cmd->cylinder_high, c >> 16);
 
-        pio_write_8(&cmd->command, CMD_WRITE_SECTORS);
+        pio_write_8(&cmd->command, d->amode == am_lba48 ?
+            CMD_WRITE_SECTORS_EXT : CMD_WRITE_SECTORS);
 
         if (wait_status(0, ~SR_BSY, &status, TIMEOUT_BSY) != EOK) {

uspace/srv/bd/ata_bd/ata_bd.h

@@ -132 +132 @@
 
 enum ata_command {
-        CMD_IDENTIFY_DRIVE      = 0xEC,
         CMD_READ_SECTORS        = 0x20,
-        CMD_WRITE_SECTORS       = 0x30
+        CMD_READ_SECTORS_EXT    = 0x24,
+        CMD_WRITE_SECTORS       = 0x30,
+        CMD_WRITE_SECTORS_EXT   = 0x34,
+        CMD_IDENTIFY_DRIVE      = 0xEC
 };