diff options
Diffstat (limited to 'arch/mips/lantiq/xway/ebu.c')
-rw-r--r-- | arch/mips/lantiq/xway/ebu.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/arch/mips/lantiq/xway/ebu.c b/arch/mips/lantiq/xway/ebu.c deleted file mode 100644 index 862e3e830680..000000000000 --- a/arch/mips/lantiq/xway/ebu.c +++ /dev/null | |||
@@ -1,52 +0,0 @@ | |||
1 | /* | ||
2 | * This program is free software; you can redistribute it and/or modify it | ||
3 | * under the terms of the GNU General Public License version 2 as published | ||
4 | * by the Free Software Foundation. | ||
5 | * | ||
6 | * EBU - the external bus unit attaches PCI, NOR and NAND | ||
7 | * | ||
8 | * Copyright (C) 2010 John Crispin <blogic@openwrt.org> | ||
9 | */ | ||
10 | |||
11 | #include <linux/kernel.h> | ||
12 | #include <linux/module.h> | ||
13 | #include <linux/ioport.h> | ||
14 | |||
15 | #include <lantiq_soc.h> | ||
16 | |||
17 | /* all access to the ebu must be locked */ | ||
18 | DEFINE_SPINLOCK(ebu_lock); | ||
19 | EXPORT_SYMBOL_GPL(ebu_lock); | ||
20 | |||
21 | static struct resource ltq_ebu_resource = { | ||
22 | .name = "ebu", | ||
23 | .start = LTQ_EBU_BASE_ADDR, | ||
24 | .end = LTQ_EBU_BASE_ADDR + LTQ_EBU_SIZE - 1, | ||
25 | .flags = IORESOURCE_MEM, | ||
26 | }; | ||
27 | |||
28 | /* remapped base addr of the clock unit and external bus unit */ | ||
29 | void __iomem *ltq_ebu_membase; | ||
30 | |||
31 | static int __init lantiq_ebu_init(void) | ||
32 | { | ||
33 | /* insert and request the memory region */ | ||
34 | if (insert_resource(&iomem_resource, <q_ebu_resource) < 0) | ||
35 | panic("Failed to insert ebu memory"); | ||
36 | |||
37 | if (request_mem_region(ltq_ebu_resource.start, | ||
38 | resource_size(<q_ebu_resource), "ebu") < 0) | ||
39 | panic("Failed to request ebu memory"); | ||
40 | |||
41 | /* remap ebu register range */ | ||
42 | ltq_ebu_membase = ioremap_nocache(ltq_ebu_resource.start, | ||
43 | resource_size(<q_ebu_resource)); | ||
44 | if (!ltq_ebu_membase) | ||
45 | panic("Failed to remap ebu memory"); | ||
46 | |||
47 | /* make sure to unprotect the memory region where flash is located */ | ||
48 | ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_BUSCON0) & ~EBU_WRDIS, LTQ_EBU_BUSCON0); | ||
49 | return 0; | ||
50 | } | ||
51 | |||
52 | postcore_initcall(lantiq_ebu_init); | ||