/*
- * linux/drivers/ide/legacy/buddha.c -- Amiga Buddha, Catweasel and X-Surf IDE Driver
+ * Amiga Buddha, Catweasel and X-Surf IDE Driver
*
* Copyright (C) 1997, 2001 by Geert Uytterhoeven and others
*
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <linux/blkdev.h>
-#include <linux/hdreg.h>
#include <linux/zorro.h>
#include <linux/ide.h>
#include <linux/init.h>
#define CATWEASEL_NUM_HWIFS 3
#define XSURF_NUM_HWIFS 2
+#define MAX_NUM_HWIFS 3
+
/*
* Bases of the IDE interfaces (relative to the board address)
*/
XSURF_BASE1, XSURF_BASE2
};
-
/*
* Offsets from one of the above bases
*/
-#define BUDDHA_DATA 0x00
-#define BUDDHA_ERROR 0x06 /* see err-bits */
-#define BUDDHA_NSECTOR 0x0a /* nr of sectors to read/write */
-#define BUDDHA_SECTOR 0x0e /* starting sector */
-#define BUDDHA_LCYL 0x12 /* starting cylinder */
-#define BUDDHA_HCYL 0x16 /* high byte of starting cyl */
-#define BUDDHA_SELECT 0x1a /* 101dhhhh , d=drive, hhhh=head */
-#define BUDDHA_STATUS 0x1e /* see status-bits */
#define BUDDHA_CONTROL 0x11a
-#define XSURF_CONTROL -1 /* X-Surf has no CS1* (Control/AltStat) */
-
-static int buddha_offsets[IDE_NR_PORTS] __initdata = {
- BUDDHA_DATA, BUDDHA_ERROR, BUDDHA_NSECTOR, BUDDHA_SECTOR, BUDDHA_LCYL,
- BUDDHA_HCYL, BUDDHA_SELECT, BUDDHA_STATUS, BUDDHA_CONTROL, -1
-};
-
-static int xsurf_offsets[IDE_NR_PORTS] __initdata = {
- BUDDHA_DATA, BUDDHA_ERROR, BUDDHA_NSECTOR, BUDDHA_SECTOR, BUDDHA_LCYL,
- BUDDHA_HCYL, BUDDHA_SELECT, BUDDHA_STATUS, XSURF_CONTROL, -1
-};
/*
* Other registers
BOARD_BUDDHA, BOARD_CATWEASEL, BOARD_XSURF
} BuddhaType;
+static const char *buddha_board_name[] = { "Buddha", "Catweasel", "X-Surf" };
/*
* Check and acknowledge the interrupt status
{
unsigned char ch;
- ch = z_readb(hwif->io_ports[IDE_IRQ_OFFSET]);
+ ch = z_readb(hwif->io_ports.irq_addr);
if (!(ch & 0x80))
return 0;
return 1;
{
unsigned char ch;
- ch = z_readb(hwif->io_ports[IDE_IRQ_OFFSET]);
+ ch = z_readb(hwif->io_ports.irq_addr);
/* X-Surf needs a 0 written to IRQ register to ensure ISA bit A11 stays at 0 */
- z_writeb(0, hwif->io_ports[IDE_IRQ_OFFSET]);
+ z_writeb(0, hwif->io_ports.irq_addr);
if (!(ch & 0x80))
return 0;
return 1;
}
+static void __init buddha_setup_ports(hw_regs_t *hw, unsigned long base,
+ unsigned long ctl, unsigned long irq_port,
+ ide_ack_intr_t *ack_intr)
+{
+ int i;
+
+ memset(hw, 0, sizeof(*hw));
+
+ hw->io_ports.data_addr = base;
+
+ for (i = 1; i < 8; i++)
+ hw->io_ports_array[i] = base + 2 + i * 4;
+
+ hw->io_ports.ctl_addr = ctl;
+ hw->io_ports.irq_addr = irq_port;
+
+ hw->irq = IRQ_AMIGA_PORTS;
+ hw->ack_intr = ack_intr;
+
+ hw->chipset = ide_generic;
+}
+
/*
* Probe for a Buddha or Catweasel IDE interface
*/
-void __init buddha_init(void)
+static int __init buddha_init(void)
{
- hw_regs_t hw;
- ide_hwif_t *hwif;
- int i, index;
-
struct zorro_dev *z = NULL;
u_long buddha_board = 0;
BuddhaType type;
- int buddha_num_hwifs;
+ int buddha_num_hwifs, i;
while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
unsigned long board;
+ hw_regs_t hw[MAX_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL };
+
if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_BUDDHA) {
buddha_num_hwifs = BUDDHA_NUM_HWIFS;
type=BOARD_BUDDHA;
/* X-Surf doesn't have this. IRQs are always on */
if (type != BOARD_XSURF)
z_writeb(0, buddha_board+BUDDHA_IRQ_MR);
-
- for(i=0;i<buddha_num_hwifs;i++) {
- if(type != BOARD_XSURF) {
- ide_setup_ports(&hw, (buddha_board+buddha_bases[i]),
- buddha_offsets, 0,
- (buddha_board+buddha_irqports[i]),
- buddha_ack_intr,
-// budda_iops,
- IRQ_AMIGA_PORTS);
+
+ printk(KERN_INFO "ide: %s IDE controller\n",
+ buddha_board_name[type]);
+
+ for (i = 0; i < buddha_num_hwifs; i++) {
+ unsigned long base, ctl, irq_port;
+ ide_ack_intr_t *ack_intr;
+
+ if (type != BOARD_XSURF) {
+ base = buddha_board + buddha_bases[i];
+ ctl = base + BUDDHA_CONTROL;
+ irq_port = buddha_board + buddha_irqports[i];
+ ack_intr = buddha_ack_intr;
} else {
- ide_setup_ports(&hw, (buddha_board+xsurf_bases[i]),
- xsurf_offsets, 0,
- (buddha_board+xsurf_irqports[i]),
- xsurf_ack_intr,
-// xsurf_iops,
- IRQ_AMIGA_PORTS);
- }
-
- index = ide_register_hw(&hw, &hwif);
- if (index != -1) {
- hwif->mmio = 1;
- printk("ide%d: ", index);
- switch(type) {
- case BOARD_BUDDHA:
- printk("Buddha");
- break;
- case BOARD_CATWEASEL:
- printk("Catweasel");
- break;
- case BOARD_XSURF:
- printk("X-Surf");
- break;
- }
- printk(" IDE interface\n");
- }
+ base = buddha_board + xsurf_bases[i];
+ /* X-Surf has no CS1* (Control/AltStat) */
+ ctl = 0;
+ irq_port = buddha_board + xsurf_irqports[i];
+ ack_intr = xsurf_ack_intr;
+ }
+
+ buddha_setup_ports(&hw[i], base, ctl, irq_port,
+ ack_intr);
+
+ hws[i] = &hw[i];
}
+
+ ide_host_add(NULL, hws, NULL);
}
+
+ return 0;
}
+
+module_init(buddha_init);
+
+MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff