2 * Copyright (C) 2010-2011 Samsung Electronics Co.Ltd
4 * Base S5P MFC resource and device definitions
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.
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>
19 #include <plat/devs.h>
20 #include <plat/irqs.h>
23 struct s5p_mfc_reserved_mem {
29 static struct s5p_mfc_reserved_mem s5p_mfc_mem[2] __initdata;
31 void __init s5p_mfc_reserve_mem(phys_addr_t rbase, unsigned int rsize,
32 phys_addr_t lbase, unsigned int lsize)
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;
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;
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);
54 static int __init s5p_mfc_memory_init(void)
58 for (i = 0; i < ARRAY_SIZE(s5p_mfc_mem); i++) {
59 struct s5p_mfc_reserved_mem *area = &s5p_mfc_mem[i];
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);
71 device_initcall(s5p_mfc_memory_init);