Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* linux/drivers/ide/arm/bast-ide.c |
| 2 | * |
| 3 | * Copyright (c) 2003-2004 Simtec Electronics |
| 4 | * Ben Dooks <ben@simtec.co.uk> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #include <linux/module.h> |
| 13 | #include <linux/errno.h> |
| 14 | #include <linux/ide.h> |
| 15 | #include <linux/init.h> |
| 16 | |
| 17 | #include <asm/mach-types.h> |
| 18 | |
| 19 | #include <asm/io.h> |
| 20 | #include <asm/irq.h> |
| 21 | #include <asm/arch/map.h> |
| 22 | #include <asm/arch/bast-map.h> |
| 23 | #include <asm/arch/bast-irq.h> |
| 24 | |
| 25 | /* list of registered interfaces */ |
| 26 | static ide_hwif_t *ifs[2]; |
| 27 | |
| 28 | static int __init |
| 29 | bastide_register(unsigned int base, unsigned int aux, int irq, |
| 30 | ide_hwif_t **hwif) |
| 31 | { |
| 32 | hw_regs_t hw; |
| 33 | int i; |
| 34 | |
| 35 | memset(&hw, 0, sizeof(hw)); |
| 36 | |
| 37 | base += BAST_IDE_CS; |
| 38 | aux += BAST_IDE_CS; |
| 39 | |
| 40 | for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) { |
| 41 | hw.io_ports[i] = (unsigned long)base; |
| 42 | base += 0x20; |
| 43 | } |
| 44 | |
| 45 | hw.io_ports[IDE_CONTROL_OFFSET] = aux + (6 * 0x20); |
| 46 | hw.irq = irq; |
| 47 | |
| 48 | ide_register_hw(&hw, hwif); |
| 49 | |
| 50 | return 0; |
| 51 | } |
| 52 | |
| 53 | static int __init bastide_init(void) |
| 54 | { |
| 55 | /* we can treat the VR1000 and the BAST the same */ |
| 56 | |
| 57 | if (!(machine_is_bast() || machine_is_vr1000())) |
| 58 | return 0; |
| 59 | |
| 60 | printk("BAST: IDE driver, (c) 2003-2004 Simtec Electronics\n"); |
| 61 | |
| 62 | bastide_register(BAST_VA_IDEPRI, BAST_VA_IDEPRIAUX, IRQ_IDE0, &ifs[0]); |
| 63 | bastide_register(BAST_VA_IDESEC, BAST_VA_IDESECAUX, IRQ_IDE1, &ifs[1]); |
| 64 | return 0; |
| 65 | } |
| 66 | |
| 67 | module_init(bastide_init); |
| 68 | |
| 69 | MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); |
| 70 | MODULE_LICENSE("GPL"); |
| 71 | MODULE_DESCRIPTION("Simtec BAST / Thorcom VR1000 IDE driver"); |