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Commit 77da71b3 authored by Guenter Roeck's avatar Guenter Roeck
Browse files

ide: Drop H8/300 driver



Architecture is gone, so there is no need to keep its ide driver around.

Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Acked-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 4b084784
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+0 −7
Original line number Diff line number Diff line
@@ -722,13 +722,6 @@ config BLK_DEV_IDE_RAPIDE
	  Say Y here if you want to support the Yellowstone RapIDE controller
	  manufactured for use with Acorn computers.

config IDE_H8300
	tristate "H8300 IDE support"
	depends on H8300
	default y
	help
	  Enables the H8300 IDE driver.

config BLK_DEV_GAYLE
	tristate "Amiga Gayle IDE interface support"
	depends on AMIGA
+0 −2
Original line number Diff line number Diff line
@@ -78,8 +78,6 @@ obj-$(CONFIG_BLK_DEV_CMD640) += cmd640.o

obj-$(CONFIG_BLK_DEV_IDE_PMAC)		+= pmac.o

obj-$(CONFIG_IDE_H8300)			+= ide-h8300.o

obj-$(CONFIG_IDE_GENERIC)		+= ide-generic.o
obj-$(CONFIG_BLK_DEV_IDEPNP)		+= ide-pnp.o

drivers/ide/ide-h8300.c

deleted100644 → 0
+0 −109
Original line number Diff line number Diff line
/*
 * H8/300 generic IDE interface
 */

#include <linux/init.h>
#include <linux/ide.h>

#include <asm/io.h>
#include <asm/irq.h>

#define DRV_NAME "ide-h8300"

#define bswap(d) \
({					\
	u16 r;				\
	__asm__("mov.b %w1,r1h\n\t"	\
		"mov.b %x1,r1l\n\t"	\
		"mov.w r1,%0"		\
		:"=r"(r)		\
		:"r"(d)			\
		:"er1");		\
	(r);				\
})

static void mm_outsw(unsigned long addr, void *buf, u32 len)
{
	unsigned short *bp = (unsigned short *)buf;
	for (; len > 0; len--, bp++)
		*(volatile u16 *)addr = bswap(*bp);
}

static void mm_insw(unsigned long addr, void *buf, u32 len)
{
	unsigned short *bp = (unsigned short *)buf;
	for (; len > 0; len--, bp++)
		*bp = bswap(*(volatile u16 *)addr);
}

static void h8300_input_data(ide_drive_t *drive, struct ide_cmd *cmd,
			     void *buf, unsigned int len)
{
	mm_insw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2);
}

static void h8300_output_data(ide_drive_t *drive, struct ide_cmd *cmd,
			      void *buf, unsigned int len)
{
	mm_outsw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2);
}

static const struct ide_tp_ops h8300_tp_ops = {
	.exec_command		= ide_exec_command,
	.read_status		= ide_read_status,
	.read_altstatus		= ide_read_altstatus,
	.write_devctl		= ide_write_devctl,

	.dev_select		= ide_dev_select,
	.tf_load		= ide_tf_load,
	.tf_read		= ide_tf_read,

	.input_data		= h8300_input_data,
	.output_data		= h8300_output_data,
};

#define H8300_IDE_GAP (2)

static inline void hw_setup(struct ide_hw *hw)
{
	int i;

	memset(hw, 0, sizeof(*hw));
	for (i = 0; i <= 7; i++)
		hw->io_ports_array[i] = CONFIG_H8300_IDE_BASE + H8300_IDE_GAP*i;
	hw->io_ports.ctl_addr = CONFIG_H8300_IDE_ALT;
	hw->irq = EXT_IRQ0 + CONFIG_H8300_IDE_IRQ;
}

static const struct ide_port_info h8300_port_info = {
	.tp_ops			= &h8300_tp_ops,
	.host_flags		= IDE_HFLAG_NO_IO_32BIT | IDE_HFLAG_NO_DMA,
	.chipset		= ide_generic,
};

static int __init h8300_ide_init(void)
{
	struct ide_hw hw, *hws[] = { &hw };

	printk(KERN_INFO DRV_NAME ": H8/300 generic IDE interface\n");

	if (!request_region(CONFIG_H8300_IDE_BASE, H8300_IDE_GAP*8, "ide-h8300"))
		goto out_busy;
	if (!request_region(CONFIG_H8300_IDE_ALT, H8300_IDE_GAP, "ide-h8300")) {
		release_region(CONFIG_H8300_IDE_BASE, H8300_IDE_GAP*8);
		goto out_busy;
	}

	hw_setup(&hw);

	return ide_host_add(&h8300_port_info, hws, 1, NULL);

out_busy:
	printk(KERN_ERR "ide-h8300: IDE I/F resource already used.\n");

	return -EBUSY;
}

module_init(h8300_ide_init);

MODULE_LICENSE("GPL");