mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-27 04:54:41 +08:00
ec8292347b
Fix the following sparse errors in arch/arm/mach-s3c2410/nor-simtec.c: 53:27: warning: symbol 'simtec_nor_pdata' was not declared. Should it be static? 77:13: warning: symbol 'nor_simtec_init' was not declared. Should it be static? Signed-off-by: Ben Dooks <ben-linux@fluff.org>
88 lines
1.9 KiB
C
88 lines
1.9 KiB
C
/* linux/arch/arm/mach-s3c2410/nor-simtec.c
|
|
*
|
|
* Copyright (c) 2008 Simtec Electronics
|
|
* http://armlinux.simtec.co.uk/
|
|
* Ben Dooks <ben@simtec.co.uk>
|
|
*
|
|
* Simtec NOR mapping
|
|
*
|
|
* 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/module.h>
|
|
#include <linux/types.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/map.h>
|
|
#include <linux/mtd/physmap.h>
|
|
#include <linux/mtd/partitions.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
|
|
#include <mach/map.h>
|
|
#include <mach/bast-map.h>
|
|
#include <mach/bast-cpld.h>
|
|
|
|
#include "nor-simtec.h"
|
|
|
|
static void simtec_nor_vpp(struct map_info *map, int vpp)
|
|
{
|
|
unsigned int val;
|
|
unsigned long flags;
|
|
|
|
local_irq_save(flags);
|
|
val = __raw_readb(BAST_VA_CTRL3);
|
|
|
|
printk(KERN_DEBUG "%s(%d)\n", __func__, vpp);
|
|
|
|
if (vpp)
|
|
val |= BAST_CPLD_CTRL3_ROMWEN;
|
|
else
|
|
val &= ~BAST_CPLD_CTRL3_ROMWEN;
|
|
|
|
__raw_writeb(val, BAST_VA_CTRL3);
|
|
local_irq_restore(flags);
|
|
}
|
|
|
|
static struct physmap_flash_data simtec_nor_pdata = {
|
|
.width = 2,
|
|
.set_vpp = simtec_nor_vpp,
|
|
.nr_parts = 0,
|
|
};
|
|
|
|
static struct resource simtec_nor_resource[] = {
|
|
[0] = {
|
|
.start = S3C2410_CS1 + 0x4000000,
|
|
.end = S3C2410_CS1 + 0x4000000 + SZ_8M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
}
|
|
};
|
|
|
|
static struct platform_device simtec_device_nor = {
|
|
.name = "physmap-flash",
|
|
.id = -1,
|
|
.num_resources = ARRAY_SIZE(simtec_nor_resource),
|
|
.resource = simtec_nor_resource,
|
|
.dev = {
|
|
.platform_data = &simtec_nor_pdata,
|
|
},
|
|
};
|
|
|
|
void __init nor_simtec_init(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = platform_device_register(&simtec_device_nor);
|
|
if (ret < 0)
|
|
printk(KERN_ERR "failed to register physmap-flash device\n");
|
|
else
|
|
simtec_nor_vpp(NULL, 1);
|
|
}
|