Commit | Line | Data |
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d9c452f4 | 1 | /* |
0f75a96b KD |
2 | * Copyright (C) 2010-2011 Samsung Electronics Co.Ltd |
3 | * | |
4 | * Base S5P MFC resource and device definitions | |
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 | ||
0f75a96b KD |
11 | #include <linux/kernel.h> |
12 | #include <linux/interrupt.h> | |
13 | #include <linux/platform_device.h> | |
14 | #include <linux/dma-mapping.h> | |
15 | #include <linux/memblock.h> | |
16 | #include <linux/ioport.h> | |
17 | ||
18 | #include <mach/map.h> | |
19 | #include <plat/devs.h> | |
20 | #include <plat/irqs.h> | |
21 | #include <plat/mfc.h> | |
22 | ||
0f75a96b KD |
23 | struct s5p_mfc_reserved_mem { |
24 | phys_addr_t base; | |
25 | unsigned long size; | |
26 | struct device *dev; | |
27 | }; | |
28 | ||
29 | static struct s5p_mfc_reserved_mem s5p_mfc_mem[2] __initdata; | |
30 | ||
31 | void __init s5p_mfc_reserve_mem(phys_addr_t rbase, unsigned int rsize, | |
32 | phys_addr_t lbase, unsigned int lsize) | |
33 | { | |
34 | int i; | |
35 | ||
36 | s5p_mfc_mem[0].dev = &s5p_device_mfc_r.dev; | |
37 | s5p_mfc_mem[0].base = rbase; | |
38 | s5p_mfc_mem[0].size = rsize; | |
39 | ||
40 | s5p_mfc_mem[1].dev = &s5p_device_mfc_l.dev; | |
41 | s5p_mfc_mem[1].base = lbase; | |
42 | s5p_mfc_mem[1].size = lsize; | |
43 | ||
44 | for (i = 0; i < ARRAY_SIZE(s5p_mfc_mem); i++) { | |
45 | struct s5p_mfc_reserved_mem *area = &s5p_mfc_mem[i]; | |
46 | if (memblock_remove(area->base, area->size)) { | |
47 | printk(KERN_ERR "Failed to reserve memory for MFC device (%ld bytes at 0x%08lx)\n", | |
48 | area->size, (unsigned long) area->base); | |
49 | area->base = 0; | |
50 | } | |
51 | } | |
52 | } | |
53 | ||
54 | static int __init s5p_mfc_memory_init(void) | |
55 | { | |
56 | int i; | |
57 | ||
58 | for (i = 0; i < ARRAY_SIZE(s5p_mfc_mem); i++) { | |
59 | struct s5p_mfc_reserved_mem *area = &s5p_mfc_mem[i]; | |
60 | if (!area->base) | |
61 | continue; | |
62 | ||
63 | if (dma_declare_coherent_memory(area->dev, area->base, | |
64 | area->base, area->size, | |
65 | DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE) == 0) | |
66 | printk(KERN_ERR "Failed to declare coherent memory for MFC device (%ld bytes at 0x%08lx)\n", | |
67 | area->size, (unsigned long) area->base); | |
68 | } | |
69 | return 0; | |
70 | } | |
71 | device_initcall(s5p_mfc_memory_init); |