diff options
Diffstat (limited to 'arch/arm/mach-mv78xx0/mpp.c')
-rw-r--r-- | arch/arm/mach-mv78xx0/mpp.c | 58 |
1 files changed, 3 insertions, 55 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 @@ | |||
12 | #include <linux/init.h> | 12 | #include <linux/init.h> |
13 | #include <linux/mbus.h> | 13 | #include <linux/mbus.h> |
14 | #include <linux/io.h> | 14 | #include <linux/io.h> |
15 | #include <plat/mpp.h> | ||
15 | #include <asm/gpio.h> | 16 | #include <asm/gpio.h> |
16 | #include <mach/hardware.h> | 17 | #include <mach/hardware.h> |
17 | #include "common.h" | 18 | #include "common.h" |
@@ -31,61 +32,8 @@ static unsigned int __init mv78xx0_variant(void) | |||
31 | return 0; | 32 | return 0; |
32 | } | 33 | } |
33 | 34 | ||
34 | #define MPP_CTRL(i) (DEV_BUS_VIRT_BASE + (i) * 4) | ||
35 | #define MPP_NR_REGS (1 + MPP_MAX/8) | ||
36 | |||
37 | void __init mv78xx0_mpp_conf(unsigned int *mpp_list) | 35 | void __init mv78xx0_mpp_conf(unsigned int *mpp_list) |
38 | { | 36 | { |
39 | u32 mpp_ctrl[MPP_NR_REGS]; | 37 | orion_mpp_conf(mpp_list, mv78xx0_variant(), |
40 | unsigned int variant_mask; | 38 | MPP_MAX, DEV_BUS_VIRT_BASE); |
41 | int i; | ||
42 | |||
43 | variant_mask = mv78xx0_variant(); | ||
44 | if (!variant_mask) | ||
45 | return; | ||
46 | |||
47 | printk(KERN_DEBUG "initial MPP regs:"); | ||
48 | for (i = 0; i < MPP_NR_REGS; i++) { | ||
49 | mpp_ctrl[i] = readl(MPP_CTRL(i)); | ||
50 | printk(" %08x", mpp_ctrl[i]); | ||
51 | } | ||
52 | printk("\n"); | ||
53 | |||
54 | for ( ; *mpp_list; mpp_list++) { | ||
55 | unsigned int num = MPP_NUM(*mpp_list); | ||
56 | unsigned int sel = MPP_SEL(*mpp_list); | ||
57 | int shift, gpio_mode; | ||
58 | |||
59 | if (num > MPP_MAX) { | ||
60 | printk(KERN_ERR "mv78xx0_mpp_conf: invalid MPP " | ||
61 | "number (%u)\n", num); | ||
62 | continue; | ||
63 | } | ||
64 | if (!(*mpp_list & variant_mask)) { | ||
65 | printk(KERN_WARNING | ||
66 | "mv78xx0_mpp_conf: requested MPP%u config " | ||
67 | "unavailable on this hardware\n", num); | ||
68 | continue; | ||
69 | } | ||
70 | |||
71 | shift = (num & 7) << 2; | ||
72 | mpp_ctrl[num / 8] &= ~(0xf << shift); | ||
73 | mpp_ctrl[num / 8] |= sel << shift; | ||
74 | |||
75 | gpio_mode = 0; | ||
76 | if (*mpp_list & MPP_INPUT_MASK) | ||
77 | gpio_mode |= GPIO_INPUT_OK; | ||
78 | if (*mpp_list & MPP_OUTPUT_MASK) | ||
79 | gpio_mode |= GPIO_OUTPUT_OK; | ||
80 | if (sel != 0) | ||
81 | gpio_mode = 0; | ||
82 | orion_gpio_set_valid(num, gpio_mode); | ||
83 | } | ||
84 | |||
85 | printk(KERN_DEBUG " final MPP regs:"); | ||
86 | for (i = 0; i < MPP_NR_REGS; i++) { | ||
87 | writel(mpp_ctrl[i], MPP_CTRL(i)); | ||
88 | printk(" %08x", mpp_ctrl[i]); | ||
89 | } | ||
90 | printk("\n"); | ||
91 | } | 39 | } |