upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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74 lines
2.2 KiB
74 lines
2.2 KiB
/*
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* (C) Copyright 2004-2008
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* Texas Instruments, <www.ti.com>
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*
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* Author :
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* Sunil Kumar <sunilsaini05@gmail.com>
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* Shashi Ranjan <shashiranjanmca05@gmail.com>
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*
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* Derived from Beagle Board and 3430 SDP code by
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* Richard Woodruff <r-woodruff2@ti.com>
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* Syed Mohammed Khasim <khasim@ti.com>
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*
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/arch/sys_proto.h>
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#include <i2c.h>
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/******************************************************************************
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* Routine: power_init_r
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* Description: Configure power supply
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*****************************************************************************/
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void power_init_r(void)
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{
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unsigned char byte;
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#ifdef CONFIG_DRIVER_OMAP34XX_I2C
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i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
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#endif
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/*
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* Configure OMAP3 supply voltages in power management
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* companion chip.
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*/
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/* set VAUX3 to 2.8V */
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byte = DEV_GRP_P1;
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i2c_write(PWRMGT_ADDR_ID4, VAUX3_DEV_GRP, 1, &byte, 1);
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byte = VAUX3_VSEL_28;
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i2c_write(PWRMGT_ADDR_ID4, VAUX3_DEDICATED, 1, &byte, 1);
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/* set VPLL2 to 1.8V */
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byte = DEV_GRP_ALL;
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i2c_write(PWRMGT_ADDR_ID4, VPLL2_DEV_GRP, 1, &byte, 1);
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byte = VPLL2_VSEL_18;
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i2c_write(PWRMGT_ADDR_ID4, VPLL2_DEDICATED, 1, &byte, 1);
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/* set VDAC to 1.8V */
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byte = DEV_GRP_P1;
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i2c_write(PWRMGT_ADDR_ID4, VDAC_DEV_GRP, 1, &byte, 1);
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byte = VDAC_VSEL_18;
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i2c_write(PWRMGT_ADDR_ID4, VDAC_DEDICATED, 1, &byte, 1);
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/* enable LED */
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byte = LEDBPWM | LEDAPWM | LEDBON | LEDAON;
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i2c_write(PWRMGT_ADDR_ID3, LEDEN, 1, &byte, 1);
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}
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