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author | Stefan Roese <sr@denx.de> | 2008-08-11 06:43:38 +0200 |
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committer | Stefan Roese <sr@denx.de> | 2008-08-11 06:43:38 +0200 |
commit | 81c4dc39797e88ebbde14bb4b711f9588f197680 (patch) | |
tree | 1d518f2187cc027a86e4b7c38739f02a23ea871b /board/ads5121/iopin.c | |
parent | eab1007334b93a6209f1ec33615e26ef5311ede7 (diff) | |
parent | e84d568fa2a9f4ce7888141e71676368ef6b3f25 (diff) | |
download | u-boot-imx-81c4dc39797e88ebbde14bb4b711f9588f197680.zip u-boot-imx-81c4dc39797e88ebbde14bb4b711f9588f197680.tar.gz u-boot-imx-81c4dc39797e88ebbde14bb4b711f9588f197680.tar.bz2 |
Merge branch 'master' of /home/stefan/git/u-boot/u-boot
Diffstat (limited to 'board/ads5121/iopin.c')
-rw-r--r-- | board/ads5121/iopin.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/board/ads5121/iopin.c b/board/ads5121/iopin.c deleted file mode 100644 index a6792a0..0000000 --- a/board/ads5121/iopin.c +++ /dev/null @@ -1,115 +0,0 @@ -/* - * (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 "iopin.h" - -/* IO pin fields */ -#define IO_PIN_FMUX(v) ((v) << 7) /* pin function */ -#define IO_PIN_HOLD(v) ((v) << 5) /* hold time, pci only */ -#define IO_PIN_PUD(v) ((v) << 4) /* if PUE, 0=pull-down, 1=pull-up */ -#define IO_PIN_PUE(v) ((v) << 3) /* pull up/down enable */ -#define IO_PIN_ST(v) ((v) << 2) /* schmitt trigger */ -#define IO_PIN_DS(v) ((v)) /* slew rate */ - -static struct iopin_t { - int p_offset; /* offset from IOCTL_MEM_OFFSET */ - int nr_pins; /* number of pins to set this way */ - int bit_or; /* or in the value instead of overwrite */ - u_long val; /* value to write or or */ -} ioregs_init[] = { - /* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads */ - { - IOCTL_SPDIF_TXCLK, 3, 0, - IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | - IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) - }, - /* Set highest Slew on 9 PATA pins */ - { - IOCTL_PATA_CE1, 9, 1, - IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | - IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) - }, - /* FUNC1=FEC_COL Sets Next 15 to FEC pads */ - { - IOCTL_PSC0_0, 15, 0, - IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | - IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) - }, - /* FUNC1=SPDIF_TXCLK */ - { - IOCTL_LPC_CS1, 1, 0, - IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | - IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3) - }, - /* FUNC2=SPDIF_TX and sets Next pin to SPDIF_RX */ - { - IOCTL_I2C1_SCL, 2, 0, - IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | - IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3) - }, - /* FUNC2=DIU CLK */ - { - IOCTL_PSC6_0, 1, 0, - IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | - IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3) - }, - /* FUNC2=DIU_HSYNC */ - { - IOCTL_PSC6_1, 1, 0, - IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | - IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) - }, - /* FUNC2=DIUVSYNC Sets Next 26 to DIU Pads */ - { - IOCTL_PSC6_4, 26, 0, - IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) | - IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3) - } -}; - -void iopin_initialize(void) -{ - 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; - - n = sizeof(ioregs_init) / sizeof(ioregs_init[0]); - - for (i = 0; i < n; 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; -} |