diff options
Diffstat (limited to 'cpu/mpc512x')
| -rw-r--r-- | cpu/mpc512x/Makefile | 2 | ||||
| -rw-r--r-- | cpu/mpc512x/iopin.c | 49 |
2 files changed, 50 insertions, 1 deletions
diff --git a/cpu/mpc512x/Makefile b/cpu/mpc512x/Makefile index 2be35b2..8ba8ae8 100644 --- a/cpu/mpc512x/Makefile +++ b/cpu/mpc512x/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(CPU).a START = start.o -COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o serial.o fec.o i2c.o +COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o serial.o fec.o i2c.o iopin.o SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) diff --git a/cpu/mpc512x/iopin.c b/cpu/mpc512x/iopin.c new file mode 100644 index 0000000..01ab34a --- /dev/null +++ b/cpu/mpc512x/iopin.c @@ -0,0 +1,49 @@ +/* + * (C) Copyright 2008 + * Martha J Marx, Silicon Turnkey Express, mmarx@silicontkx.com + * mpc512x I/O pin/pad initialization for the ADS5121 board + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <linux/types.h> +#include <mpc512x.h> + +void iopin_initialize(iopin_t *ioregs_init, int len) +{ + short i, j, n, p; + u_long *reg; + immap_t *im = (immap_t *)CFG_IMMR; + + reg = (u_long *)&(im->io_ctrl.regs[0]); + + if (sizeof(ioregs_init) == 0) + return; + + for (i = 0; i < len; i++) { + for (p = 0, j = ioregs_init[i].p_offset / sizeof(u_long); + p < ioregs_init[i].nr_pins; p++, j++) { + if (ioregs_init[i].bit_or) + reg[j] |= ioregs_init[i].val; + else + reg[j] = ioregs_init[i].val; + } + } + return; +} |