gpio: mpc8xxx: Make live-tree compatible

Make the MPC8xxx GPIO driver compatible with a live device tree.

Signed-off-by: Mario Six <mario.six@gdsys.cc>

diff --git a/drivers/gpio/mpc8xxx_gpio.c b/drivers/gpio/mpc8xxx_gpio.c
index 0aa72ec..326fd16 100644 (file)
--- a/drivers/gpio/mpc8xxx_gpio.c
+++ b/drivers/gpio/mpc8xxx_gpio.c
@@ -14,8 +14,6 @@
 #include <mapmem.h>
 #include <asm/gpio.h>
 
-DECLARE_GLOBAL_DATA_PTR;
-
 struct ccsr_gpio {
        u32     gpdir;
        u32     gpodr;
@@ -181,15 +179,14 @@ static int mpc8xxx_gpio_ofdata_to_platdata(struct udevice *dev)
 {
        struct mpc8xxx_gpio_plat *plat = dev_get_platdata(dev);
        fdt_addr_t addr;
-       fdt_size_t size;
+       u32 reg[2];
+
+       dev_read_u32_array(dev, "reg", reg, 2);
+       addr = dev_translate_address(dev, reg);
 
-       addr = fdtdec_get_addr_size_auto_noparent(gd->fdt_blob,
-                                                 dev_of_offset(dev),
-                                                 "reg", 0, &size, false);
        plat->addr = addr;
-       plat->size = size;
-       plat->ngpios = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
-                                     "ngpios", 32);
+       plat->size = reg[1];
+       plat->ngpios = dev_read_u32_default(dev, "ngpios", 32);
 
        return 0;
 }
@@ -206,7 +203,7 @@ static int mpc8xxx_gpio_platdata_to_priv(struct udevice *dev)
                size = 0x100;
 
        priv->addr = plat->addr;
-       priv->base = map_sysmem(CONFIG_SYS_IMMR + plat->addr, size);
+       priv->base = map_sysmem(plat->addr, size);
 
        if (!priv->base)
                return -ENOMEM;