diff options
| author | Haojian Zhuang <haojian.zhuang@gmail.com> | 2010-01-25 14:03:54 +0300 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2010-03-02 02:40:56 +0300 |
| commit | 16144bfb83bb8319c07c18b57eac15368708d02c (patch) | |
| tree | 3544731005719bd1b2f9ba70efcb2233cf9437cf /arch | |
| parent | 247b4592f385622774de877f568fc30eb37dc831 (diff) | |
| download | linux-16144bfb83bb8319c07c18b57eac15368708d02c.tar.xz | |
[ARM] mmp2: add gpio initialization
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mmp/common.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mmp/irq-mmp2.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mmp/mmp2.c | 23 |
3 files changed, 25 insertions, 1 deletions
diff --git a/arch/arm/mach-mmp/common.h b/arch/arm/mach-mmp/common.h index 85bf12451433..18c037f8bb0a 100644 --- a/arch/arm/mach-mmp/common.h +++ b/arch/arm/mach-mmp/common.h @@ -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); diff --git a/arch/arm/mach-mmp/irq-mmp2.c b/arch/arm/mach-mmp/irq-mmp2.c index ddebde84231a..3ae1c543707c 100644 --- a/arch/arm/mach-mmp/irq-mmp2.c +++ b/arch/arm/mach-mmp/irq-mmp2.c @@ -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; diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c index 561194d3bb43..0f1c441cc898 100644 --- a/arch/arm/mach-mmp/mmp2.c +++ b/arch/arm/mach-mmp/mmp2.c @@ -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); |