diff options
Diffstat (limited to 'arch/arm/plat-mxc/iomux-v3.c')
| -rw-r--r-- | arch/arm/plat-mxc/iomux-v3.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/arch/arm/plat-mxc/iomux-v3.c b/arch/arm/plat-mxc/iomux-v3.c index 4cbbf2c..99a9cdb 100644 --- a/arch/arm/plat-mxc/iomux-v3.c +++ b/arch/arm/plat-mxc/iomux-v3.c @@ -34,17 +34,24 @@ static void __iomem *base; /* * configures a single pad in the iomuxer */ -int mxc_iomux_v3_setup_pad(iomux_v3_cfg_t *pad) +int mxc_iomux_v3_setup_pad(iomux_v3_cfg_t pad) { - if (MUX_CTRL_OFS(pad)) - __raw_writel(MUX_MODE(pad), base + MUX_CTRL_OFS(pad)); + u32 mux_ctrl_ofs = (pad & MUX_CTRL_OFS_MASK) >> MUX_CTRL_OFS_SHIFT; + u32 mux_mode = (pad & MUX_MODE_MASK) >> MUX_MODE_SHIFT; + u32 sel_input_ofs = (pad & MUX_SEL_INPUT_OFS_MASK) >> MUX_SEL_INPUT_OFS_SHIFT; + u32 sel_input = (pad & MUX_SEL_INPUT_MASK) >> MUX_SEL_INPUT_SHIFT; + u32 pad_ctrl_ofs = (pad & MUX_PAD_CTRL_OFS_MASK) >> MUX_PAD_CTRL_OFS_SHIFT; + u32 pad_ctrl = (pad & MUX_PAD_CTRL_MASK) >> MUX_PAD_CTRL_SHIFT; - if (MUX_SELECT_INPUT_OFS(pad)) - __raw_writel(MUX_SELECT_INPUT(pad), - base + MUX_SELECT_INPUT_OFS(pad)); + if (mux_ctrl_ofs) + __raw_writel(mux_mode, base + mux_ctrl_ofs); + + if (sel_input_ofs) + __raw_writel(sel_input, base + sel_input_ofs); + + if (!(pad_ctrl & NO_PAD_CTRL) && pad_ctrl_ofs) + __raw_writel(pad_ctrl, base + pad_ctrl_ofs); - if (!(MUX_PAD_CTRL(pad) & NO_PAD_CTRL) && MUX_PAD_CTRL_OFS(pad)) - __raw_writel(MUX_PAD_CTRL(pad), base + MUX_PAD_CTRL_OFS(pad)); return 0; } EXPORT_SYMBOL(mxc_iomux_v3_setup_pad); @@ -56,7 +63,7 @@ int mxc_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t *pad_list, unsigned count) int ret; for (i = 0; i < count; i++) { - ret = mxc_iomux_v3_setup_pad(p); + ret = mxc_iomux_v3_setup_pad(*p); if (ret) return ret; p++; |