diff options
Diffstat (limited to 'arch/powerpc/mach-mpc85xx/fsl_gpio.c')
-rw-r--r-- | arch/powerpc/mach-mpc85xx/fsl_gpio.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/powerpc/mach-mpc85xx/fsl_gpio.c b/arch/powerpc/mach-mpc85xx/fsl_gpio.c new file mode 100644 index 0000000000..85994dcf1b --- /dev/null +++ b/arch/powerpc/mach-mpc85xx/fsl_gpio.c @@ -0,0 +1,31 @@ +/* + * Copyright 2013 GE Intelligent Platforms, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Minimal GPIO support. + */ + +#include <common.h> +#include <errno.h> +#include <asm/io.h> +#include <mach/gpio.h> +#include <mach/immap_85xx.h> + +#ifdef CONFIG_MPC8544 +/* Enable all GPIO output pins */ +void fsl_enable_gpiout(void) +{ + void __iomem *gpiocr = IOMEM(MPC85xx_GUTS_ADDR + MPC85xx_GPIOCR_OFFSET); + + out_be32(gpiocr, in_be32(gpiocr) | MPC85xx_GPIOCR_GPOUT); +} +#endif |