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omap: mux: Fix omap_mux_init_gpio for omap24xx

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Looks like 24xx uses mode3 instead of mode4 for muxable GPIO pins.
This will be needed when 24xx mux code is converted to use the new
mux functions.

Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren 2010-07-05 16:31:35 +03:00
parent dd0cdd8882
commit d5425be6eb
1 changed files with 9 additions and 1 deletions
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10
arch/arm/mach-omap2/mux.c
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@ -43,6 +43,7 @@
#define OMAP_MUX_BASE_OFFSET 0x30 /* Offset from CTRL_BASE */
#define OMAP_MUX_BASE_SZ 0x5ca
#define MUXABLE_GPIO_MODE3 BIT(0)
struct omap_mux_entry {
struct omap_mux mux;
@ -51,6 +52,7 @@ struct omap_mux_entry {
static unsigned long mux_phys;
static void __iomem *mux_base;
static u8 omap_mux_flags;
u16 omap_mux_read(u16 reg)
{
@ -394,7 +396,10 @@ int __init omap_mux_init_gpio(int gpio, int val)
old_mode = omap_mux_read(m->reg_offset);
mux_mode = val & ~(OMAP_MUX_NR_MODES - 1);
mux_mode |= OMAP_MUX_MODE4;
if (omap_mux_flags & MUXABLE_GPIO_MODE3)
mux_mode |= OMAP_MUX_MODE3;
else
mux_mode |= OMAP_MUX_MODE4;
printk(KERN_DEBUG "mux: Setting signal "
"%s.gpio%i 0x%04x -> 0x%04x\n",
m->muxnames[0], gpio, old_mode, mux_mode);
@ -1032,6 +1037,9 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size,
return -ENODEV;
}
if (cpu_is_omap24xx())
omap_mux_flags = MUXABLE_GPIO_MODE3;
omap_mux_init_package(superset, package_subset, package_balls);
omap_mux_init_list(superset);
omap_mux_init_signals(board_mux);