diff options
Diffstat (limited to 'arch/arm/plat-samsung/s5p-dev-mfc.c')
| -rw-r--r-- | arch/arm/plat-samsung/s5p-dev-mfc.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/arch/arm/plat-samsung/s5p-dev-mfc.c b/arch/arm/plat-samsung/s5p-dev-mfc.c deleted file mode 100644 index ad51f85fbd01..000000000000 --- a/arch/arm/plat-samsung/s5p-dev-mfc.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Copyright (C) 2010-2011 Samsung Electronics Co.Ltd - * - * Base S5P MFC resource and device definitions - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/dma-mapping.h> -#include <linux/memblock.h> -#include <linux/ioport.h> -#include <linux/of_fdt.h> -#include <linux/of.h> - -#include <plat/mfc.h> - -#ifdef CONFIG_SAMSUNG_ATAGS -#include <mach/map.h> -#include <mach/irqs.h> -#include <plat/devs.h> - -static struct resource s5p_mfc_resource[] = { - [0] = DEFINE_RES_MEM(S5P_PA_MFC, SZ_64K), - [1] = DEFINE_RES_IRQ(IRQ_MFC), -}; - -struct platform_device s5p_device_mfc = { - .name = "s5p-mfc", - .id = -1, - .num_resources = ARRAY_SIZE(s5p_mfc_resource), - .resource = s5p_mfc_resource, -}; - -/* - * MFC hardware has 2 memory interfaces which are modelled as two separate - * platform devices to let dma-mapping distinguish between them. - * - * MFC parent device (s5p_device_mfc) must be registered before memory - * interface specific devices (s5p_device_mfc_l and s5p_device_mfc_r). - */ - -struct platform_device s5p_device_mfc_l = { - .name = "s5p-mfc-l", - .id = -1, - .dev = { - .parent = &s5p_device_mfc.dev, - .dma_mask = &s5p_device_mfc_l.dev.coherent_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, -}; - -struct platform_device s5p_device_mfc_r = { - .name = "s5p-mfc-r", - .id = -1, - .dev = { - .parent = &s5p_device_mfc.dev, - .dma_mask = &s5p_device_mfc_r.dev.coherent_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, -}; -#else -static struct platform_device s5p_device_mfc_l; -static struct platform_device s5p_device_mfc_r; -#endif - -struct s5p_mfc_reserved_mem { - phys_addr_t base; - unsigned long size; - struct device *dev; -}; - -static struct s5p_mfc_reserved_mem s5p_mfc_mem[2] __initdata; - - -void __init s5p_mfc_reserve_mem(phys_addr_t rbase, unsigned int rsize, - phys_addr_t lbase, unsigned int lsize) -{ - int i; - - s5p_mfc_mem[0].dev = &s5p_device_mfc_r.dev; - s5p_mfc_mem[0].base = rbase; - s5p_mfc_mem[0].size = rsize; - - s5p_mfc_mem[1].dev = &s5p_device_mfc_l.dev; - s5p_mfc_mem[1].base = lbase; - s5p_mfc_mem[1].size = lsize; - - for (i = 0; i < ARRAY_SIZE(s5p_mfc_mem); i++) { - struct s5p_mfc_reserved_mem *area = &s5p_mfc_mem[i]; - if (memblock_remove(area->base, area->size)) { - printk(KERN_ERR "Failed to reserve memory for MFC device (%ld bytes at 0x%08lx)\n", - area->size, (unsigned long) area->base); - area->base = 0; - } - } -} - -#ifdef CONFIG_SAMSUNG_ATAGS -static int __init s5p_mfc_memory_init(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(s5p_mfc_mem); i++) { - struct s5p_mfc_reserved_mem *area = &s5p_mfc_mem[i]; - if (!area->base) - continue; - - if (dma_declare_coherent_memory(area->dev, area->base, - area->base, area->size, - DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE) == 0) - printk(KERN_ERR "Failed to declare coherent memory for MFC device (%ld bytes at 0x%08lx)\n", - area->size, (unsigned long) area->base); - } - return 0; -} -device_initcall(s5p_mfc_memory_init); -#endif - -#ifdef CONFIG_OF -int __init s5p_fdt_find_mfc_mem(unsigned long node, const char *uname, - int depth, void *data) -{ - __be32 *prop; - unsigned long len; - struct s5p_mfc_dt_meminfo *mfc_mem = data; - - if (!data) - return 0; - - if (!of_flat_dt_is_compatible(node, mfc_mem->compatible)) - return 0; - - prop = of_get_flat_dt_prop(node, "samsung,mfc-l", &len); - if (!prop || (len != 2 * sizeof(unsigned long))) - return 0; - - mfc_mem->loff = be32_to_cpu(prop[0]); - mfc_mem->lsize = be32_to_cpu(prop[1]); - - prop = of_get_flat_dt_prop(node, "samsung,mfc-r", &len); - if (!prop || (len != 2 * sizeof(unsigned long))) - return 0; - - mfc_mem->roff = be32_to_cpu(prop[0]); - mfc_mem->rsize = be32_to_cpu(prop[1]); - - return 1; -} -#endif |
