diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-omap2/mux.c | 22 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/mux.h | 24 |
2 files changed, 35 insertions, 11 deletions
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index 40ea9fd4211..3f59bd12cbb 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -51,7 +51,7 @@ struct omap_mux_entry { static unsigned long mux_phys; static void __iomem *mux_base; -static inline u16 omap_mux_read(u16 reg) +u16 omap_mux_read(u16 reg) { if (cpu_is_omap24xx()) return __raw_readb(mux_base + reg); @@ -59,7 +59,7 @@ static inline u16 omap_mux_read(u16 reg) return __raw_readw(mux_base + reg); } -static inline void omap_mux_write(u16 val, u16 reg) +void omap_mux_write(u16 val, u16 reg) { if (cpu_is_omap24xx()) __raw_writeb(val, mux_base + reg); @@ -67,6 +67,14 @@ static inline void omap_mux_write(u16 val, u16 reg) __raw_writew(val, mux_base + reg); } +void omap_mux_write_array(struct omap_board_mux *board_mux) +{ + while (board_mux->reg_offset != OMAP_MUX_TERMINATOR) { + omap_mux_write(board_mux->value, board_mux->reg_offset); + board_mux++; + } +} + #if defined(CONFIG_ARCH_OMAP24XX) && defined(CONFIG_OMAP_MUX) static struct omap_mux_cfg arch_mux_cfg; @@ -833,14 +841,6 @@ static void __init omap_mux_set_cmdline_signals(void) kfree(options); } -static void __init omap_mux_set_board_signals(struct omap_board_mux *board_mux) -{ - while (board_mux->reg_offset != OMAP_MUX_TERMINATOR) { - omap_mux_write(board_mux->value, board_mux->reg_offset); - board_mux++; - } -} - static int __init omap_mux_copy_names(struct omap_mux *src, struct omap_mux *dst) { @@ -1004,7 +1004,7 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size, #ifdef CONFIG_OMAP_MUX omap_mux_set_cmdline_signals(); - omap_mux_set_board_signals(board_mux); + omap_mux_write_array(board_mux); #endif return 0; diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h index d8b4d5ad227..f8c2e7a8f06 100644 --- a/arch/arm/mach-omap2/mux.h +++ b/arch/arm/mach-omap2/mux.h @@ -147,6 +147,30 @@ u16 omap_mux_get_gpio(int gpio); void omap_mux_set_gpio(u16 val, int gpio); /** + * omap_mux_read() - read mux register + * @mux_offset: Offset of the mux register + * + */ +u16 omap_mux_read(u16 mux_offset); + +/** + * omap_mux_write() - write mux register + * @val: New mux register value + * @mux_offset: Offset of the mux register + * + * This should be only needed for dynamic remuxing of non-gpio signals. + */ +void omap_mux_write(u16 val, u16 mux_offset); + +/** + * omap_mux_write_array() - write an array of mux registers + * @board_mux: Array of mux registers terminated by MAP_MUX_TERMINATOR + * + * This should be only needed for dynamic remuxing of non-gpio signals. + */ +void omap_mux_write_array(struct omap_board_mux *board_mux); + +/** * omap3_mux_init() - initialize mux system with board specific set * @board_mux: Board specific mux table * @flags: OMAP package type used for the board |