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path: root/drivers/ide/legacy/macide.c
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Diffstat (limited to 'drivers/ide/legacy/macide.c')
-rw-r--r--drivers/ide/legacy/macide.c57
1 files changed, 31 insertions, 26 deletions
diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c
index 06df8df857a3..a61e60737dc7 100644
--- a/drivers/ide/legacy/macide.c
+++ b/drivers/ide/legacy/macide.c
@@ -31,14 +31,6 @@
* These match MkLinux so they should be correct.
*/
-#define IDE_DATA 0x00
-#define IDE_ERROR 0x04 /* see err-bits */
-#define IDE_NSECTOR 0x08 /* nr of sectors to read/write */
-#define IDE_SECTOR 0x0c /* starting sector */
-#define IDE_LCYL 0x10 /* starting cylinder */
-#define IDE_HCYL 0x14 /* high byte of starting cyl */
-#define IDE_SELECT 0x18 /* 101dhhhh , d=drive, hhhh=head */
-#define IDE_STATUS 0x1c /* see status-bits */
#define IDE_CONTROL 0x38 /* control/altstatus */
/*
@@ -63,11 +55,6 @@
volatile unsigned char *ide_ifr = (unsigned char *) (IDE_BASE + IDE_IFR);
-static int macide_offsets[IDE_NR_PORTS] = {
- IDE_DATA, IDE_ERROR, IDE_NSECTOR, IDE_SECTOR, IDE_LCYL,
- IDE_HCYL, IDE_SELECT, IDE_STATUS, IDE_CONTROL
-};
-
int macide_ack_intr(ide_hwif_t* hwif)
{
if (*ide_ifr & 0x20) {
@@ -77,6 +64,22 @@ int macide_ack_intr(ide_hwif_t* hwif)
return 0;
}
+static void __init macide_setup_ports(hw_regs_t *hw, unsigned long base,
+ int irq, ide_ack_intr_t *ack_intr)
+{
+ int i;
+
+ memset(hw, 0, sizeof(*hw));
+
+ for (i = 0; i < 8; i++)
+ hw->io_ports[i] = base + i * 4;
+
+ hw->io_ports[IDE_CONTROL_OFFSET] = IDE_CONTROL;
+
+ hw->irq = irq;
+ hw->ack_intr = ack_intr;
+}
+
static const char *mac_ide_name[] =
{ "Quadra", "Powerbook", "Powerbook Baboon" };
@@ -86,27 +89,27 @@ static const char *mac_ide_name[] =
static int __init macide_init(void)
{
- hw_regs_t hw;
ide_hwif_t *hwif;
+ ide_ack_intr_t *ack_intr;
+ unsigned long base;
+ int irq;
+ hw_regs_t hw;
switch (macintosh_config->ide_type) {
case MAC_IDE_QUADRA:
- ide_setup_ports(&hw, IDE_BASE, macide_offsets,
- 0, 0, macide_ack_intr,
-// quadra_ide_iops,
- IRQ_NUBUS_F);
+ base = IDE_BASE;
+ ack_intr = macide_ack_intr;
+ irq = IRQ_NUBUS_F;
break;
case MAC_IDE_PB:
- ide_setup_ports(&hw, IDE_BASE, macide_offsets,
- 0, 0, macide_ack_intr,
-// macide_pb_iops,
- IRQ_NUBUS_C);
+ base = IDE_BASE;
+ ack_intr = macide_ack_intr;
+ irq = IRQ_NUBUS_C;
break;
case MAC_IDE_BABOON:
- ide_setup_ports(&hw, BABOON_BASE, macide_offsets,
- 0, 0, NULL,
-// macide_baboon_iops,
- IRQ_BABOON_1);
+ base = BABOON_BASE;
+ ack_intr = NULL;
+ irq = IRQ_BABOON_1;
break;
default:
return -ENODEV;
@@ -115,6 +118,8 @@ static int __init macide_init(void)
printk(KERN_INFO "ide: Macintosh %s IDE controller\n",
mac_ide_name[macintosh_config->ide_type - 1]);
+ macide_setup_ports(&hw, base, irq, ack_intr);
+
hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
if (hwif) {
u8 index = hwif->index;