3 * Grazvydas Ignotas <notasas@gmail.com>
5 * Derived from Beagle Board, 3430 SDP, and OMAP3EVM code by
6 * Richard Woodruff <r-woodruff2@ti.com>
7 * Syed Mohammed Khasim <khasim@ti.com>
8 * Sunil Kumar <sunilsaini05@gmail.com>
9 * Shashi Ranjan <shashiranjanmca05@gmail.com>
11 * (C) Copyright 2004-2008
12 * Texas Instruments, <www.ti.com>
14 * See file CREDITS for list of people who contributed to this
17 * This program is free software; you can redistribute it and/or
18 * modify it under the terms of the GNU General Public License as
19 * published by the Free Software Foundation; either version 2 of
20 * the License, or (at your option) any later version.
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software
29 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
35 #include <asm/arch/mux.h>
36 #include <asm/arch/sys_proto.h>
37 #include <asm/mach-types.h>
43 * Description: Early hardware init.
47 DECLARE_GLOBAL_DATA_PTR;
49 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
50 /* board id for Linux */
51 gd->bd->bi_arch_number = MACH_TYPE_OMAP3_PANDORA;
53 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
59 * Routine: misc_init_r
60 * Description: Configure board specific parts
64 struct gpio *gpio1_base = (struct gpio *)OMAP34XX_GPIO1_BASE;
65 struct gpio *gpio4_base = (struct gpio *)OMAP34XX_GPIO4_BASE;
66 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
67 struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
73 /* Configure GPIOs to output */
74 writel(~(GPIO14 | GPIO15 | GPIO16 | GPIO23), &gpio1_base->oe);
75 writel(~GPIO22, &gpio4_base->oe); /* 118 */
76 writel(~(GPIO0 | GPIO1 | GPIO28 | GPIO29 | GPIO30 | GPIO31),
77 &gpio5_base->oe); /* 128, 129, 156-159 */
78 writel(~GPIO4, &gpio6_base->oe); /* 164 */
81 writel(GPIO28, &gpio5_base->setdataout);
82 writel(GPIO4, &gpio6_base->setdataout);
86 /* this stuff should move to kernel. */
87 /* set vaux4 to 2.8V (TOUCH, NUBS) */
89 i2c_write(0x4B, 0x81, 1, &byte, 1);
91 i2c_write(0x4B, 0x7E, 1, &byte, 1);
93 /* set vsim to 2.8V (AUDIO DAC external) */
95 i2c_write(0x4B, 0x95, 1, &byte, 1);
97 i2c_write(0x4B, 0x92, 1, &byte, 1);
103 * Routine: set_muxconf_regs
104 * Description: Setting up the configuration Mux registers specific to the
105 * hardware. Many pins need to be moved from protect to primary
108 void set_muxconf_regs(void)