add flash locking code
SVN-Revision: 16311
This commit is contained in:
parent
5b72dc3d8f
commit
b0acbe709c
2 changed files with 27 additions and 1 deletions
|
@ -1,7 +1,7 @@
|
||||||
/*
|
/*
|
||||||
* AR71xx SoC routines
|
* AR71xx SoC routines
|
||||||
*
|
*
|
||||||
* Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
|
* Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
|
||||||
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
|
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
|
||||||
*
|
*
|
||||||
* This program is free software; you can redistribute it and/or modify it
|
* This program is free software; you can redistribute it and/or modify it
|
||||||
|
@ -12,9 +12,13 @@
|
||||||
#include <linux/kernel.h>
|
#include <linux/kernel.h>
|
||||||
#include <linux/module.h>
|
#include <linux/module.h>
|
||||||
#include <linux/types.h>
|
#include <linux/types.h>
|
||||||
|
#include <linux/mutex.h>
|
||||||
|
|
||||||
#include <asm/mach-ar71xx/ar71xx.h>
|
#include <asm/mach-ar71xx/ar71xx.h>
|
||||||
|
|
||||||
|
static DEFINE_MUTEX(ar71xx_flash_mutex);
|
||||||
|
static int ar71xx_flash_lock_enabled;
|
||||||
|
|
||||||
void __iomem *ar71xx_ddr_base;
|
void __iomem *ar71xx_ddr_base;
|
||||||
EXPORT_SYMBOL_GPL(ar71xx_ddr_base);
|
EXPORT_SYMBOL_GPL(ar71xx_ddr_base);
|
||||||
|
|
||||||
|
@ -98,3 +102,21 @@ void ar71xx_ddr_flush(u32 reg)
|
||||||
}
|
}
|
||||||
EXPORT_SYMBOL_GPL(ar71xx_ddr_flush);
|
EXPORT_SYMBOL_GPL(ar71xx_ddr_flush);
|
||||||
|
|
||||||
|
void __init ar71xx_flash_lock_enable(void)
|
||||||
|
{
|
||||||
|
ar71xx_flash_lock_enabled = 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
void ar71xx_flash_acquire(void)
|
||||||
|
{
|
||||||
|
if (ar71xx_flash_lock_enabled)
|
||||||
|
mutex_lock(&ar71xx_flash_mutex);
|
||||||
|
}
|
||||||
|
EXPORT_SYMBOL_GPL(ar71xx_flash_acquire);
|
||||||
|
|
||||||
|
void ar71xx_flash_release(void)
|
||||||
|
{
|
||||||
|
if (ar71xx_flash_lock_enabled)
|
||||||
|
mutex_unlock(&ar71xx_flash_mutex);
|
||||||
|
}
|
||||||
|
EXPORT_SYMBOL_GPL(ar71xx_flash_release);
|
||||||
|
|
|
@ -422,6 +422,10 @@ void ar71xx_device_start(u32 mask);
|
||||||
#define SPI_IOC_CS2 SPI_IOC_CS(2)
|
#define SPI_IOC_CS2 SPI_IOC_CS(2)
|
||||||
#define SPI_IOC_CS_ALL (SPI_IOC_CS0 | SPI_IOC_CS1 | SPI_IOC_CS2)
|
#define SPI_IOC_CS_ALL (SPI_IOC_CS0 | SPI_IOC_CS1 | SPI_IOC_CS2)
|
||||||
|
|
||||||
|
void ar71xx_flash_lock_enable(void) __init;
|
||||||
|
void ar71xx_flash_acquire(void);
|
||||||
|
void ar71xx_flash_release(void);
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* MII_CTRL block
|
* MII_CTRL block
|
||||||
*/
|
*/
|
||||||
|
|
Loading…
Reference in a new issue