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ar71xx: add ar71xx_device_reset_rmw helper

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28275 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2011-09-21 11:47:50 +00:00
parent 0316b118d0
commit 3a5386be36
2 changed files with 49 additions and 0 deletions
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48
target/linux/ar71xx/files/arch/mips/ar71xx/ar71xx.c
View File

@ -153,6 +153,54 @@ void ar71xx_device_start(u32 mask)
} }
EXPORT_SYMBOL_GPL(ar71xx_device_start); EXPORT_SYMBOL_GPL(ar71xx_device_start);
void ar71xx_device_reset_rmw(u32 clear, u32 set)
{
unsigned long flags;
unsigned int reg;
u32 t;
switch (ar71xx_soc) {
case AR71XX_SOC_AR7130:
case AR71XX_SOC_AR7141:
case AR71XX_SOC_AR7161:
reg = AR71XX_RESET_REG_RESET_MODULE;
break;
case AR71XX_SOC_AR7240:
case AR71XX_SOC_AR7241:
case AR71XX_SOC_AR7242:
reg = AR724X_RESET_REG_RESET_MODULE;
break;
case AR71XX_SOC_AR9130:
case AR71XX_SOC_AR9132:
reg = AR91XX_RESET_REG_RESET_MODULE;
break;
case AR71XX_SOC_AR9330:
case AR71XX_SOC_AR9331:
reg = AR933X_RESET_REG_RESET_MODULE;
break;
case AR71XX_SOC_AR9341:
case AR71XX_SOC_AR9342:
case AR71XX_SOC_AR9344:
reg = AR934X_RESET_REG_RESET_MODULE;
break;
default:
BUG();
}
spin_lock_irqsave(&ar71xx_device_lock, flags);
t = ar71xx_reset_rr(reg);
t &= ~clear;
t |= set;
ar71xx_reset_wr(reg, t);
spin_unlock_irqrestore(&ar71xx_device_lock, flags);
}
EXPORT_SYMBOL_GPL(ar71xx_device_reset_rmw);
int ar71xx_device_stopped(u32 mask) int ar71xx_device_stopped(u32 mask)
{ {
unsigned long flags; unsigned long flags;

1
target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
View File

@ -724,6 +724,7 @@ static inline u32 ar71xx_reset_rr(unsigned reg)
void ar71xx_device_stop(u32 mask); void ar71xx_device_stop(u32 mask);
void ar71xx_device_start(u32 mask); void ar71xx_device_start(u32 mask);
void ar71xx_device_reset_rmw(u32 clear, u32 set);
int ar71xx_device_stopped(u32 mask); int ar71xx_device_stopped(u32 mask);
/* /*