u-boot/board/pandora/pandora.c
Grazvydas Ignotas 8b432bebc2 pandora: don't enable VAUX3, VDAC and VPLL2 regulators
These regulators are not needed to start the kernel and only
cause "incomplete constraints" warnings from kernel, so don't
turn them on to save power.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
2010-01-04 08:48:16 -06:00

95 lines
2.7 KiB
C

/*
* (C) Copyright 2008
* Grazvydas Ignotas <notasas@gmail.com>
*
* Derived from Beagle Board, 3430 SDP, and OMAP3EVM code by
* Richard Woodruff <r-woodruff2@ti.com>
* Syed Mohammed Khasim <khasim@ti.com>
* Sunil Kumar <sunilsaini05@gmail.com>
* Shashi Ranjan <shashiranjanmca05@gmail.com>
*
* (C) Copyright 2004-2008
* Texas Instruments, <www.ti.com>
*
* 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 <twl4030.h>
#include <asm/io.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-types.h>
#include "pandora.h"
/*
* Routine: board_init
* Description: Early hardware init.
*/
int board_init(void)
{
DECLARE_GLOBAL_DATA_PTR;
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* board id for Linux */
gd->bd->bi_arch_number = MACH_TYPE_OMAP3_PANDORA;
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
return 0;
}
/*
* Routine: misc_init_r
* Description: Configure board specific parts
*/
int misc_init_r(void)
{
struct gpio *gpio1_base = (struct gpio *)OMAP34XX_GPIO1_BASE;
struct gpio *gpio4_base = (struct gpio *)OMAP34XX_GPIO4_BASE;
struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
/* Configure GPIOs to output */
writel(~(GPIO14 | GPIO15 | GPIO16 | GPIO23), &gpio1_base->oe);
writel(~GPIO22, &gpio4_base->oe); /* 118 */
writel(~(GPIO0 | GPIO1 | GPIO28 | GPIO29 | GPIO30 | GPIO31),
&gpio5_base->oe); /* 128, 129, 156-159 */
writel(~GPIO4, &gpio6_base->oe); /* 164 */
/* Set GPIOs */
writel(GPIO28, &gpio5_base->setdataout);
writel(GPIO4, &gpio6_base->setdataout);
dieid_num_r();
return 0;
}
/*
* Routine: set_muxconf_regs
* Description: Setting up the configuration Mux registers specific to the
* hardware. Many pins need to be moved from protect to primary
* mode.
*/
void set_muxconf_regs(void)
{
MUX_PANDORA();
}