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MIPS: RB532: Use physical addresses for gpio and device controller registers 

This patch fixes the misuse of virtual addresses for the GPIO and third
device controller which would lead to problems while accessing ioremap'd
registers.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
Florian Fainelli 2008-08-22 17:01:03 +02:00 committed by Ralf Baechle
parent 3cd4e067a3
commit 3c8cf8caa5
2 changed files with 6 additions and 5 deletions
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8
arch/mips/rb532/gpio.c
View File

@ -47,8 +47,8 @@ struct mpmc_device dev3;
static struct resource rb532_gpio_reg0_res[] = {
{
.name = "gpio_reg0",
.start = (u32)(IDT434_REG_BASE + GPIOBASE),
.end = (u32)(IDT434_REG_BASE + GPIOBASE + sizeof(struct rb532_gpio_reg)),
.start = REGBASE + GPIOBASE,
.end = REGBASE + GPIOBASE + sizeof(struct rb532_gpio_reg) - 1,
.flags = IORESOURCE_MEM,
}
};
@ -56,8 +56,8 @@ static struct resource rb532_gpio_reg0_res[] = {
static struct resource rb532_dev3_ctl_res[] = {
{
.name = "dev3_ctl",
.start = (u32)(IDT434_REG_BASE + DEV3BASE),
.end = (u32)(IDT434_REG_BASE + DEV3BASE + sizeof(struct dev_reg)),
.start = REGBASE + DEV3BASE,
.end = REGBASE + DEV3BASE + sizeof(struct dev_reg) - 1,
.flags = IORESOURCE_MEM,
}
};

3
include/asm-mips/mach-rc32434/rb.h
View File

@ -17,7 +17,8 @@
#include <linux/genhd.h>
#define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(0x18000000))
#define REGBASE 0x18000000
#define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(REGBASE))
#define DEV0BASE 0x010000
#define DEV0MASK 0x010004
#define DEV0C 0x010008