diff options
Diffstat (limited to 'arch/arm/mach-mv78xx0')
| -rw-r--r-- | arch/arm/mach-mv78xx0/mpp.c | 58 | ||||
| -rw-r--r-- | arch/arm/mach-mv78xx0/mpp.h | 6 |
2 files changed, 3 insertions, 61 deletions
diff --git a/arch/arm/mach-mv78xx0/mpp.c b/arch/arm/mach-mv78xx0/mpp.c index 65b72c454cb0..59b7686b9209 100644 --- a/arch/arm/mach-mv78xx0/mpp.c +++ b/arch/arm/mach-mv78xx0/mpp.c @@ -12,6 +12,7 @@ #include <linux/init.h> #include <linux/mbus.h> #include <linux/io.h> +#include <plat/mpp.h> #include <asm/gpio.h> #include <mach/hardware.h> #include "common.h" @@ -31,61 +32,8 @@ static unsigned int __init mv78xx0_variant(void) return 0; } -#define MPP_CTRL(i) (DEV_BUS_VIRT_BASE + (i) * 4) -#define MPP_NR_REGS (1 + MPP_MAX/8) - void __init mv78xx0_mpp_conf(unsigned int *mpp_list) { - u32 mpp_ctrl[MPP_NR_REGS]; - unsigned int variant_mask; - int i; - - variant_mask = mv78xx0_variant(); - if (!variant_mask) - return; - - printk(KERN_DEBUG "initial MPP regs:"); - for (i = 0; i < MPP_NR_REGS; i++) { - mpp_ctrl[i] = readl(MPP_CTRL(i)); - printk(" %08x", mpp_ctrl[i]); - } - printk("\n"); - - for ( ; *mpp_list; mpp_list++) { - unsigned int num = MPP_NUM(*mpp_list); - unsigned int sel = MPP_SEL(*mpp_list); - int shift, gpio_mode; - - if (num > MPP_MAX) { - printk(KERN_ERR "mv78xx0_mpp_conf: invalid MPP " - "number (%u)\n", num); - continue; - } - if (!(*mpp_list & variant_mask)) { - printk(KERN_WARNING - "mv78xx0_mpp_conf: requested MPP%u config " - "unavailable on this hardware\n", num); - continue; - } - - shift = (num & 7) << 2; - mpp_ctrl[num / 8] &= ~(0xf << shift); - mpp_ctrl[num / 8] |= sel << shift; - - gpio_mode = 0; - if (*mpp_list & MPP_INPUT_MASK) - gpio_mode |= GPIO_INPUT_OK; - if (*mpp_list & MPP_OUTPUT_MASK) - gpio_mode |= GPIO_OUTPUT_OK; - if (sel != 0) - gpio_mode = 0; - orion_gpio_set_valid(num, gpio_mode); - } - - printk(KERN_DEBUG " final MPP regs:"); - for (i = 0; i < MPP_NR_REGS; i++) { - writel(mpp_ctrl[i], MPP_CTRL(i)); - printk(" %08x", mpp_ctrl[i]); - } - printk("\n"); + orion_mpp_conf(mpp_list, mv78xx0_variant(), + MPP_MAX, DEV_BUS_VIRT_BASE); } diff --git a/arch/arm/mach-mv78xx0/mpp.h b/arch/arm/mach-mv78xx0/mpp.h index 80840b781eaa..b61b50927123 100644 --- a/arch/arm/mach-mv78xx0/mpp.h +++ b/arch/arm/mach-mv78xx0/mpp.h @@ -19,14 +19,8 @@ /* may be output signal */ ((!!(_out)) << 13) | \ /* available on A0 */ ((!!(_78100_A0)) << 14)) -#define MPP_NUM(x) ((x) & 0xff) -#define MPP_SEL(x) (((x) >> 8) & 0xf) - /* num sel i o 78100_A0 */ -#define MPP_INPUT_MASK MPP(0, 0x0, 1, 0, 0) -#define MPP_OUTPUT_MASK MPP(0, 0x0, 0, 1, 0) - #define MPP_78100_A0_MASK MPP(0, 0x0, 0, 0, 1) #define MPP0_GPIO MPP(0, 0x0, 1, 1, 1) |