diff options
Diffstat (limited to 'drivers/ide/legacy/macide.c')
| -rw-r--r-- | drivers/ide/legacy/macide.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c deleted file mode 100644 index 90cac609d9c..00000000000 --- a/drivers/ide/legacy/macide.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - * linux/drivers/ide/legacy/macide.c -- Macintosh IDE Driver - * - * Copyright (C) 1998 by Michael Schmitz - * - * This driver was written based on information obtained from the MacOS IDE - * driver binary by Mikael Forselius - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive for - * more details. - */ - -#include <linux/config.h> -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/interrupt.h> -#include <linux/blkdev.h> -#include <linux/hdreg.h> -#include <linux/delay.h> -#include <linux/ide.h> - -#include <asm/machw.h> -#include <asm/macintosh.h> -#include <asm/macints.h> -#include <asm/mac_baboon.h> - -#define IDE_BASE 0x50F1A000 /* Base address of IDE controller */ - -/* - * Generic IDE registers as offsets from the base - * 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 */ - -/* - * Mac-specific registers - */ - -/* - * this register is odd; it doesn't seem to do much and it's - * not word-aligned like virtually every other hardware register - * on the Mac... - */ - -#define IDE_IFR 0x101 /* (0x101) IDE interrupt flags on Quadra: - * - * Bit 0+1: some interrupt flags - * Bit 2+3: some interrupt enable - * Bit 4: ?? - * Bit 5: IDE interrupt flag (any hwif) - * Bit 6: maybe IDE interrupt enable (any hwif) ?? - * Bit 7: Any interrupt condition - */ - -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) { - *ide_ifr &= ~0x20; - return 1; - } - return 0; -} - -#ifdef CONFIG_BLK_DEV_MAC_MEDIABAY -static void macide_mediabay_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - int state = baboon->mb_status & 0x04; - - printk(KERN_INFO "macide: media bay %s detected\n", state? "removal":"insertion"); -} -#endif - -/* - * Probe for a Macintosh IDE interface - */ - -void macide_init(void) -{ - hw_regs_t hw; - ide_hwif_t *hwif; - int index = -1; - - 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); - index = ide_register_hw(&hw, &hwif); - break; - case MAC_IDE_PB: - ide_setup_ports(&hw, IDE_BASE, macide_offsets, - 0, 0, macide_ack_intr, -// macide_pb_iops, - IRQ_NUBUS_C); - index = ide_register_hw(&hw, &hwif); - break; - case MAC_IDE_BABOON: - ide_setup_ports(&hw, BABOON_BASE, macide_offsets, - 0, 0, NULL, -// macide_baboon_iops, - IRQ_BABOON_1); - index = ide_register_hw(&hw, &hwif); - if (index == -1) break; - if (macintosh_config->ident == MAC_MODEL_PB190) { - - /* Fix breakage in ide-disk.c: drive capacity */ - /* is not initialized for drives without a */ - /* hardware ID, and we can't get that without */ - /* probing the drive which freezes a 190. */ - - ide_drive_t *drive = &ide_hwifs[index].drives[0]; - drive->capacity64 = drive->cyl*drive->head*drive->sect; - -#ifdef CONFIG_BLK_DEV_MAC_MEDIABAY - request_irq(IRQ_BABOON_2, macide_mediabay_interrupt, - IRQ_FLG_FAST, "mediabay", - macide_mediabay_interrupt); -#endif - } - break; - - default: - return; - } - - if (index != -1) { - hwif->mmio = 2; - if (macintosh_config->ide_type == MAC_IDE_QUADRA) - printk(KERN_INFO "ide%d: Macintosh Quadra IDE interface\n", index); - else if (macintosh_config->ide_type == MAC_IDE_PB) - printk(KERN_INFO "ide%d: Macintosh Powerbook IDE interface\n", index); - else if (macintosh_config->ide_type == MAC_IDE_BABOON) - printk(KERN_INFO "ide%d: Macintosh Powerbook Baboon IDE interface\n", index); - else - printk(KERN_INFO "ide%d: Unknown Macintosh IDE interface\n", index); - } -} |