SPU_IOPAD_CONTROL
tmp = readl_relaxed(ctrl_regs(path) + SPU_IOPAD_CONTROL);
writel_relaxed(tmp, ctrl_regs(path) + SPU_IOPAD_CONTROL);
reg_base + SPU_IOPAD_CONTROL);
tmp = readl_relaxed(reg_base + SPU_IOPAD_CONTROL);
writel(mi->io_pin_allocation_mode, fbi->reg_base + SPU_IOPAD_CONTROL);