diff options
Diffstat (limited to 'drivers/ide/arm/bast-ide.c')
-rw-r--r-- | drivers/ide/arm/bast-ide.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/ide/arm/bast-ide.c b/drivers/ide/arm/bast-ide.c new file mode 100644 index 000000000000..8e8c28104b45 --- /dev/null +++ b/drivers/ide/arm/bast-ide.c | |||
@@ -0,0 +1,90 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2003-2004 Simtec Electronics | ||
3 | * Ben Dooks <ben@simtec.co.uk> | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License version 2 as | ||
7 | * published by the Free Software Foundation. | ||
8 | * | ||
9 | */ | ||
10 | |||
11 | #include <linux/module.h> | ||
12 | #include <linux/errno.h> | ||
13 | #include <linux/ide.h> | ||
14 | #include <linux/init.h> | ||
15 | |||
16 | #include <asm/mach-types.h> | ||
17 | |||
18 | #include <asm/io.h> | ||
19 | #include <asm/irq.h> | ||
20 | #include <asm/arch/map.h> | ||
21 | #include <asm/arch/bast-map.h> | ||
22 | #include <asm/arch/bast-irq.h> | ||
23 | |||
24 | #define DRV_NAME "bast-ide" | ||
25 | |||
26 | static int __init bastide_register(unsigned int base, unsigned int aux, int irq) | ||
27 | { | ||
28 | ide_hwif_t *hwif; | ||
29 | hw_regs_t hw; | ||
30 | int i; | ||
31 | u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; | ||
32 | |||
33 | memset(&hw, 0, sizeof(hw)); | ||
34 | |||
35 | base += BAST_IDE_CS; | ||
36 | aux += BAST_IDE_CS; | ||
37 | |||
38 | for (i = 0; i <= 7; i++) { | ||
39 | hw.io_ports_array[i] = (unsigned long)base; | ||
40 | base += 0x20; | ||
41 | } | ||
42 | |||
43 | hw.io_ports.ctl_addr = aux + (6 * 0x20); | ||
44 | hw.irq = irq; | ||
45 | hw.chipset = ide_generic; | ||
46 | |||
47 | hwif = ide_find_port(); | ||
48 | if (hwif == NULL) | ||
49 | goto out; | ||
50 | |||
51 | i = hwif->index; | ||
52 | |||
53 | ide_init_port_data(hwif, i); | ||
54 | ide_init_port_hw(hwif, &hw); | ||
55 | hwif->port_ops = NULL; | ||
56 | |||
57 | idx[0] = i; | ||
58 | |||
59 | ide_device_add(idx, NULL); | ||
60 | out: | ||
61 | return 0; | ||
62 | } | ||
63 | |||
64 | static int __init bastide_init(void) | ||
65 | { | ||
66 | unsigned long base = BAST_VA_IDEPRI + BAST_IDE_CS; | ||
67 | |||
68 | /* we can treat the VR1000 and the BAST the same */ | ||
69 | |||
70 | if (!(machine_is_bast() || machine_is_vr1000())) | ||
71 | return 0; | ||
72 | |||
73 | printk("BAST: IDE driver, (c) 2003-2004 Simtec Electronics\n"); | ||
74 | |||
75 | if (!request_mem_region(base, 0x400000, DRV_NAME)) { | ||
76 | printk(KERN_ERR "%s: resources busy\n", DRV_NAME); | ||
77 | return -EBUSY; | ||
78 | } | ||
79 | |||
80 | bastide_register(BAST_VA_IDEPRI, BAST_VA_IDEPRIAUX, IRQ_IDE0); | ||
81 | bastide_register(BAST_VA_IDESEC, BAST_VA_IDESECAUX, IRQ_IDE1); | ||
82 | |||
83 | return 0; | ||
84 | } | ||
85 | |||
86 | module_init(bastide_init); | ||
87 | |||
88 | MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); | ||
89 | MODULE_LICENSE("GPL"); | ||
90 | MODULE_DESCRIPTION("Simtec BAST / Thorcom VR1000 IDE driver"); | ||