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OpenCloudOS-Kernel
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[ARM] mmp2: add gpio initialization 

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Haojian Zhuang 2010-01-25 06:03:54 -05:00 committed by Eric Miao
parent 247b4592f3
commit 16144bfb83
3 changed files with 25 additions and 1 deletions
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1
arch/arm/mach-mmp/common.h
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@ -9,6 +9,7 @@ extern struct sys_timer pxa910_timer;
extern struct sys_timer mmp2_timer;
extern void __init pxa168_init_irq(void);
extern void __init pxa910_init_irq(void);
extern void __init mmp2_init_icu(void);
extern void __init mmp2_init_irq(void);
extern void __init icu_init_irq(void);

2
arch/arm/mach-mmp/irq-mmp2.c
View File

@ -104,7 +104,7 @@ static void init_mux_irq(struct irq_chip *chip, int start, int num)
}
}
void __init mmp2_init_irq(void)
void __init mmp2_init_icu(void)
{
int irq;

23
arch/arm/mach-mmp/mmp2.c
View File

@ -21,6 +21,7 @@
#include <mach/cputype.h>
#include <mach/irqs.h>
#include <mach/mfp.h>
#include <mach/gpio.h>
#include <mach/devices.h>
#include "common.h"
@ -28,12 +29,34 @@
#define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000)
#define APMASK(i) (GPIO_REGS_VIRT + BANK_OFF(i) + 0x9c)
static struct mfp_addr_map mmp2_addr_map[] __initdata = {
MFP_ADDR(PMIC_INT, 0x2c4),
MFP_ADDR_END,
};
static void __init mmp2_init_gpio(void)
{
int i;
/* enable GPIO clock */
__raw_writel(APBC_APBCLK | APBC_FNCLK, APBC_MMP2_GPIO);
/* unmask GPIO edge detection for all 6 banks -- APMASKx */
for (i = 0; i < 6; i++)
__raw_writel(0xffffffff, APMASK(i));
pxa_init_gpio(IRQ_MMP2_GPIO, 0, 167, NULL);
}
void __init mmp2_init_irq(void)
{
mmp2_init_icu();
mmp2_init_gpio();
}
/* APB peripheral clocks */
static APBC_CLK(uart1, MMP2_UART1, 1, 26000000);
static APBC_CLK(uart2, MMP2_UART2, 1, 26000000);