diff options
author | Guenter Roeck <linux@roeck-us.net> | 2013-08-30 13:03:10 (GMT) |
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committer | Guenter Roeck <linux@roeck-us.net> | 2013-09-17 01:19:04 (GMT) |
commit | 77da71b3a03ebb2bd06500ca1d85e1c5083bb005 (patch) | |
tree | 7c5126a512e244133e78572dbea8d6544178995f /drivers/ide/ide-h8300.c | |
parent | 4b08478422040ae8cb11acc15d51f1cdb0ac39c8 (diff) | |
download | linux-fsl-qoriq-77da71b3a03ebb2bd06500ca1d85e1c5083bb005.tar.xz |
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/ide/ide-h8300.c')
-rw-r--r-- | drivers/ide/ide-h8300.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/drivers/ide/ide-h8300.c b/drivers/ide/ide-h8300.c deleted file mode 100644 index 520f42c..0000000 --- a/drivers/ide/ide-h8300.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * 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"); |