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-rw-r--r--arch/arm/mach-omap2/mux.c22
-rw-r--r--arch/arm/mach-omap2/mux.h24
2 files changed, 35 insertions, 11 deletions
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 40ea9fd4211d..3f59bd12cbbf 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -51,7 +51,7 @@ struct omap_mux_entry {
51static unsigned long mux_phys; 51static unsigned long mux_phys;
52static void __iomem *mux_base; 52static void __iomem *mux_base;
53 53
54static inline u16 omap_mux_read(u16 reg) 54u16 omap_mux_read(u16 reg)
55{ 55{
56 if (cpu_is_omap24xx()) 56 if (cpu_is_omap24xx())
57 return __raw_readb(mux_base + reg); 57 return __raw_readb(mux_base + reg);
@@ -59,7 +59,7 @@ static inline u16 omap_mux_read(u16 reg)
59 return __raw_readw(mux_base + reg); 59 return __raw_readw(mux_base + reg);
60} 60}
61 61
62static inline void omap_mux_write(u16 val, u16 reg) 62void omap_mux_write(u16 val, u16 reg)
63{ 63{
64 if (cpu_is_omap24xx()) 64 if (cpu_is_omap24xx())
65 __raw_writeb(val, mux_base + reg); 65 __raw_writeb(val, mux_base + reg);
@@ -67,6 +67,14 @@ static inline void omap_mux_write(u16 val, u16 reg)
67 __raw_writew(val, mux_base + reg); 67 __raw_writew(val, mux_base + reg);
68} 68}
69 69
70void omap_mux_write_array(struct omap_board_mux *board_mux)
71{
72 while (board_mux->reg_offset != OMAP_MUX_TERMINATOR) {
73 omap_mux_write(board_mux->value, board_mux->reg_offset);
74 board_mux++;
75 }
76}
77
70#if defined(CONFIG_ARCH_OMAP24XX) && defined(CONFIG_OMAP_MUX) 78#if defined(CONFIG_ARCH_OMAP24XX) && defined(CONFIG_OMAP_MUX)
71 79
72static struct omap_mux_cfg arch_mux_cfg; 80static struct omap_mux_cfg arch_mux_cfg;
@@ -833,14 +841,6 @@ static void __init omap_mux_set_cmdline_signals(void)
833 kfree(options); 841 kfree(options);
834} 842}
835 843
836static void __init omap_mux_set_board_signals(struct omap_board_mux *board_mux)
837{
838 while (board_mux->reg_offset != OMAP_MUX_TERMINATOR) {
839 omap_mux_write(board_mux->value, board_mux->reg_offset);
840 board_mux++;
841 }
842}
843
844static int __init omap_mux_copy_names(struct omap_mux *src, 844static int __init omap_mux_copy_names(struct omap_mux *src,
845 struct omap_mux *dst) 845 struct omap_mux *dst)
846{ 846{
@@ -1004,7 +1004,7 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size,
1004 1004
1005#ifdef CONFIG_OMAP_MUX 1005#ifdef CONFIG_OMAP_MUX
1006 omap_mux_set_cmdline_signals(); 1006 omap_mux_set_cmdline_signals();
1007 omap_mux_set_board_signals(board_mux); 1007 omap_mux_write_array(board_mux);
1008#endif 1008#endif
1009 1009
1010 return 0; 1010 return 0;
diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h
index d8b4d5ad2278..f8c2e7a8f063 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);
147void omap_mux_set_gpio(u16 val, int gpio); 147void omap_mux_set_gpio(u16 val, int gpio);
148 148
149/** 149/**
150 * omap_mux_read() - read mux register
151 * @mux_offset: Offset of the mux register
152 *
153 */
154u16 omap_mux_read(u16 mux_offset);
155
156/**
157 * omap_mux_write() - write mux register
158 * @val: New mux register value
159 * @mux_offset: Offset of the mux register
160 *
161 * This should be only needed for dynamic remuxing of non-gpio signals.
162 */
163void omap_mux_write(u16 val, u16 mux_offset);
164
165/**
166 * omap_mux_write_array() - write an array of mux registers
167 * @board_mux: Array of mux registers terminated by MAP_MUX_TERMINATOR
168 *
169 * This should be only needed for dynamic remuxing of non-gpio signals.
170 */
171void omap_mux_write_array(struct omap_board_mux *board_mux);
172
173/**
150 * omap3_mux_init() - initialize mux system with board specific set 174 * omap3_mux_init() - initialize mux system with board specific set
151 * @board_mux: Board specific mux table 175 * @board_mux: Board specific mux table
152 * @flags: OMAP package type used for the board 176 * @flags: OMAP package type used for the board