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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-23 15:15:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-23 15:15:27 -0700
commit42cd71bf1e3a081b3150018bbf448cb6c8a844a5 (patch)
tree4a5d2eb0444255e4ad827a76dbd1417dd3876db6 /arch/arm/mach-kirkwood/mpp.c
parentf5039935ac685b3b9b8c13fbc33cac8643dee32e (diff)
parent9a55d9752d8abfc62f1ab05ccc790d22a0c8e7c0 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (137 commits) ARM: bcmring: convert to use sp804 clockevents ARM: bcmring: convert to sp804 clocksource ARM: 6912/1: bcmring: Add clkdev table in init_early clockevents: ARM sp804: obtain sp804 timer rate via clks clockevents: ARM sp804: allow clockevent name to be specified clocksource: ARM sp804: obtain sp804 timer rate via clks clocksource: ARM sp804: allow clocksource name to be specified clocksource: convert OMAP1 to 32-bit down counting clocksource clocksource: convert MXS timrotv2 to 32-bit down counting clocksource clocksource: convert SPEAr platforms 16-bit up counting clocksource clocksource: convert Integrator/AP 16-bit down counting clocksource clocksource: convert W90x900 24-bit down counting clocksource clocksource: convert ARM 32-bit down counting clocksources clocksource: convert ARM 32-bit up counting clocksources clocksource: add common mmio clocksource ARM: update sa1100 to reflect PXA updates ARM: omap1: convert to using readl/writel instead of volatile struct ARM: omap1: delete useless interrupt handler ARM: s5p: consolidate selection of timer register ARM: 6939/1: fix missing 'cpu_relax()' declaration ...
Diffstat (limited to 'arch/arm/mach-kirkwood/mpp.c')
-rw-r--r--arch/arm/mach-kirkwood/mpp.c58
1 files changed, 3 insertions, 55 deletions
diff --git a/arch/arm/mach-kirkwood/mpp.c b/arch/arm/mach-kirkwood/mpp.c
index 7ce201848067..b0a7d979a8ed 100644
--- a/arch/arm/mach-kirkwood/mpp.c
+++ b/arch/arm/mach-kirkwood/mpp.c
@@ -14,6 +14,7 @@
#include <linux/io.h>
#include <asm/gpio.h>
#include <mach/hardware.h>
+#include <plat/mpp.h>
#include "common.h"
#include "mpp.h"
@@ -36,61 +37,8 @@ static unsigned int __init kirkwood_variant(void)
return 0;
}
-#define MPP_CTRL(i) (DEV_BUS_VIRT_BASE + (i) * 4)
-#define MPP_NR_REGS (1 + MPP_MAX/8)
-
void __init kirkwood_mpp_conf(unsigned int *mpp_list)
{
- u32 mpp_ctrl[MPP_NR_REGS];
- unsigned int variant_mask;
- int i;
-
- variant_mask = kirkwood_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 "kirkwood_mpp_conf: invalid MPP "
- "number (%u)\n", num);
- continue;
- }
- if (!(*mpp_list & variant_mask)) {
- printk(KERN_WARNING
- "kirkwood_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, kirkwood_variant(),
+ MPP_MAX, DEV_BUS_VIRT_BASE);
}