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authorGreg Watson <jarrah@users.sourceforge.net>2004-03-13 03:54:08 +0000
committerGreg Watson <jarrah@users.sourceforge.net>2004-03-13 03:54:08 +0000
commit12f5ef5f876e27b12887e14581de0dc106928170 (patch)
treefef2134dbc5e335bd04cd36834c785daa9fa9f99 /src
parente54edf7a1805ae208de9784bd447fc2a382f6f76 (diff)
added atapi support
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1415 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
-rw-r--r--src/include/pc80/ide.h25
1 files changed, 14 insertions, 11 deletions
diff --git a/src/include/pc80/ide.h b/src/include/pc80/ide.h
index dacaa292f5..96521ece70 100644
--- a/src/include/pc80/ide.h
+++ b/src/include/pc80/ide.h
@@ -36,16 +36,19 @@ struct harddisk_info {
uint8_t slave;
sector_t sectors;
int address_mode; /* am i lba (0x40) or chs (0x00) */
-#define ADDRESS_MODE_CHS 0
-#define ADDRESS_MODE_LBA 1
-#define ADDRESS_MODE_LBA48 2
- int drive_exists;
- int slave_absent;
- int basedrive;
+#define ADDRESS_MODE_CHS 0
+#define ADDRESS_MODE_LBA 1
+#define ADDRESS_MODE_LBA48 2
+#define ADDRESS_MODE_PACKET 3
+ uint32_t hw_sector_size;
+ unsigned drive_exists : 1;
+ unsigned slave_absent : 1;
+ unsigned removable : 1;
};
#define IDE_SECTOR_SIZE 0x200
+#define CDROM_SECTOR_SIZE 0x400
#define IDE_BASE0 (0x1F0u) /* primary controller */
#define IDE_BASE1 (0x170u) /* secondary */
@@ -196,15 +199,15 @@ struct ide_pio_command
#define IDE_FEATURE_ENABLE_REVERTING_TO_POWERON_DEFAULTS 0xCC
#define IDE_FEATURE_DISABLE_SERVICE_INTERRUPT 0xDE
-#define NUM_HD (4)
+#define IDE_MAX_CONTROLLERS 2
+#define IDE_MAX_DRIVES (IDE_MAX_CONTROLLERS*2)
#define SECTOR_SIZE 512
#define SECTOR_SHIFT 9
/* Maximum block_size that may be set. */
#define DISK_BUFFER_SIZE (18 * SECTOR_SIZE)
-extern struct harddisk_info harddisk_info[NUM_HD];
+extern struct harddisk_info harddisk_info[];
-extern int ide_init(void);
-extern int ide_read_sector(int driveno, void * buf, unsigned int sector,
- int byte_offset, int n_bytes);
+extern int ide_probe(int drive);
+extern int ide_read(int drive, sector_t sector, void *buffer);