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author | Stefan Roese <sr@denx.de> | 2008-08-14 08:25:13 +0200 |
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committer | Stefan Roese <sr@denx.de> | 2008-08-14 08:25:13 +0200 |
commit | becbbc7b2a1be44d38779c80ce94fb20e5e13f12 (patch) | |
tree | 38e933b70075e14b21fbb0eb891cc8c59d8e60be /cpu/mpc512x/iopin.c | |
parent | bc9019e19758a19a388fb20ef18dc771cd39fdda (diff) | |
parent | 2fd0aad443c966ce62008225e57b18e2dcf4e330 (diff) | |
download | u-boot-imx-becbbc7b2a1be44d38779c80ce94fb20e5e13f12.zip u-boot-imx-becbbc7b2a1be44d38779c80ce94fb20e5e13f12.tar.gz u-boot-imx-becbbc7b2a1be44d38779c80ce94fb20e5e13f12.tar.bz2 |
Merge branch 'master' of /home/stefan/git/u-boot/u-boot into next
Diffstat (limited to 'cpu/mpc512x/iopin.c')
-rw-r--r-- | cpu/mpc512x/iopin.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/cpu/mpc512x/iopin.c b/cpu/mpc512x/iopin.c new file mode 100644 index 0000000..3d7042d --- /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, 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; +} |