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Commit 16144bfb authored by Haojian Zhuang's avatar Haojian Zhuang Committed by Eric Miao
Browse files

[ARM] mmp2: add gpio initialization 



Signed-off-by: default avatarHaojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: default avatarEric Miao <eric.y.miao@gmail.com>
parent 247b4592

arch/arm/mach-mmp/common.h

+1 −0
Original line number Diff line number Diff line
@@ -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);

arch/arm/mach-mmp/irq-mmp2.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

arch/arm/mach-mmp/mmp2.c

+23 −0
Original line number Diff line number Diff line
@@ -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);