xbus
static void __iomem *xbus;
writeb(hw_led_state, xbus);
xbus = ioremap(XBUS_CS2, SZ_4K);
if (!xbus)
writeb(hw_led_state, xbus);
clks[xbus] = mxs_clk_div("xbus", "ref_xtal", XBUS, 0, 10, 31);
cpu, hbus, xbus, emi, uart,
cpu, hbus, xbus, emi, uart,
clks[xbus] = mxs_clk_div("xbus", "ref_xtal", XBUS, 0, 10, 31);