diff options
Diffstat (limited to 'arch/avr32/boards/mimc200/fram.c')
| -rw-r--r-- | arch/avr32/boards/mimc200/fram.c | 81 | 
1 files changed, 0 insertions, 81 deletions
diff --git a/arch/avr32/boards/mimc200/fram.c b/arch/avr32/boards/mimc200/fram.c deleted file mode 100644 index 9764a1a1073..00000000000 --- a/arch/avr32/boards/mimc200/fram.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * FRAM driver for MIMC200 board - * - * Copyright 2008 Mark Jackson <mpfj@mimc.co.uk> - * - * This module adds *very* simply support for the system's FRAM device. - * At the moment, this is hard-coded to the MIMC200 platform, and only - * supports mmap(). - */ - -#define FRAM_VERSION	"1.0" - -#include <linux/miscdevice.h> -#include <linux/proc_fs.h> -#include <linux/mm.h> -#include <linux/io.h> - -#define FRAM_BASE	0xac000000 -#define FRAM_SIZE	0x20000 - -/* - * The are the file operation function for user access to /dev/fram - */ - -static int fram_mmap(struct file *filp, struct vm_area_struct *vma) -{ -	int ret; - -	ret = remap_pfn_range(vma, -		vma->vm_start, -		virt_to_phys((void *)((unsigned long)FRAM_BASE)) >> PAGE_SHIFT, -		vma->vm_end-vma->vm_start, -		PAGE_SHARED); - -	if (ret != 0) -		return -EAGAIN; - -	return 0; -} - -static const struct file_operations fram_fops = { -	.owner			= THIS_MODULE, -	.mmap			= fram_mmap, -	.llseek			= noop_llseek, -}; - -#define FRAM_MINOR	0 - -static struct miscdevice fram_dev = { -	FRAM_MINOR, -	"fram", -	&fram_fops -}; - -static int __init -fram_init(void) -{ -	int ret; - -	ret = misc_register(&fram_dev); -	if (ret) { -		printk(KERN_ERR "fram: can't misc_register on minor=%d\n", -		    FRAM_MINOR); -		return ret; -	} -	printk(KERN_INFO "FRAM memory driver v" FRAM_VERSION "\n"); -	return 0; -} - -static void __exit -fram_cleanup_module(void) -{ -	misc_deregister(&fram_dev); -} - -module_init(fram_init); -module_exit(fram_cleanup_module); - -MODULE_LICENSE("GPL"); - -MODULE_ALIAS_MISCDEV(FRAM_MINOR);  | 
