diff options
Diffstat (limited to 'arch/powerpc/platforms/pasemi/electra_ide.c')
-rw-r--r-- | arch/powerpc/platforms/pasemi/electra_ide.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/arch/powerpc/platforms/pasemi/electra_ide.c b/arch/powerpc/platforms/pasemi/electra_ide.c deleted file mode 100644 index 12fb0c949263..000000000000 --- a/arch/powerpc/platforms/pasemi/electra_ide.c +++ /dev/null | |||
@@ -1,96 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2007 PA Semi, Inc | ||
3 | * | ||
4 | * Maintained by: Olof Johansson <olof@lixom.net> | ||
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 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
18 | */ | ||
19 | |||
20 | #include <linux/platform_device.h> | ||
21 | |||
22 | #include <asm/prom.h> | ||
23 | #include <asm/system.h> | ||
24 | |||
25 | /* The electra IDE interface is incredibly simple: Just a device on the localbus | ||
26 | * with interrupts hooked up to one of the GPIOs. The device tree contains the | ||
27 | * address window and interrupt mappings already, and the pata_platform driver handles | ||
28 | * the rest. We just need to hook the two up. | ||
29 | */ | ||
30 | |||
31 | #define MAX_IFS 4 /* really, we have only one */ | ||
32 | |||
33 | static struct platform_device *pdevs[MAX_IFS]; | ||
34 | |||
35 | static int __devinit electra_ide_init(void) | ||
36 | { | ||
37 | struct device_node *np; | ||
38 | struct resource r[3]; | ||
39 | int ret = 0; | ||
40 | int i; | ||
41 | |||
42 | np = of_find_compatible_node(NULL, "ide", "electra-ide"); | ||
43 | i = 0; | ||
44 | |||
45 | while (np && i < MAX_IFS) { | ||
46 | memset(r, 0, sizeof(r)); | ||
47 | |||
48 | /* pata_platform wants two address ranges: one for the base registers, | ||
49 | * another for the control (altstatus). It's located at offset 0x3f6 in | ||
50 | * the window, but the device tree only has one large register window | ||
51 | * that covers both ranges. So we need to split it up by hand here: | ||
52 | */ | ||
53 | |||
54 | ret = of_address_to_resource(np, 0, &r[0]); | ||
55 | if (ret) | ||
56 | goto out; | ||
57 | ret = of_address_to_resource(np, 0, &r[1]); | ||
58 | if (ret) | ||
59 | goto out; | ||
60 | |||
61 | r[1].start += 0x3f6; | ||
62 | r[0].end = r[1].start-1; | ||
63 | |||
64 | r[2].start = irq_of_parse_and_map(np, 0); | ||
65 | r[2].end = irq_of_parse_and_map(np, 0); | ||
66 | r[2].flags = IORESOURCE_IRQ; | ||
67 | |||
68 | pr_debug("registering platform device at 0x%lx/0x%lx, irq is %ld\n", | ||
69 | r[0].start, r[1].start, r[2].start); | ||
70 | pdevs[i] = platform_device_register_simple("pata_platform", i, r, 3); | ||
71 | if (IS_ERR(pdevs[i])) { | ||
72 | ret = PTR_ERR(pdevs[i]); | ||
73 | pdevs[i] = NULL; | ||
74 | goto out; | ||
75 | } | ||
76 | np = of_find_compatible_node(np, "ide", "electra-ide"); | ||
77 | } | ||
78 | out: | ||
79 | return ret; | ||
80 | } | ||
81 | module_init(electra_ide_init); | ||
82 | |||
83 | static void __devexit electra_ide_exit(void) | ||
84 | { | ||
85 | int i; | ||
86 | |||
87 | for (i = 0; i < MAX_IFS; i++) | ||
88 | if (pdevs[i]) | ||
89 | platform_device_unregister(pdevs[i]); | ||
90 | } | ||
91 | module_exit(electra_ide_exit); | ||
92 | |||
93 | |||
94 | MODULE_LICENSE("GPL"); | ||
95 | MODULE_AUTHOR ("Olof Johansson <olof@lixom.net>"); | ||
96 | MODULE_DESCRIPTION("PA Semi Electra IDE driver"); | ||