| Dirk Behme | f904cdb | 2009-01-27 18:19:12 +0100 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2004-2008 |
| 3 | * Texas Instruments, <www.ti.com> |
| 4 | * |
| 5 | * Author : |
| 6 | * Sunil Kumar <sunilsaini05@gmail.com> |
| 7 | * Shashi Ranjan <shashiranjanmca05@gmail.com> |
| 8 | * |
| 9 | * Derived from Beagle Board and 3430 SDP code by |
| 10 | * Richard Woodruff <r-woodruff2@ti.com> |
| 11 | * Syed Mohammed Khasim <khasim@ti.com> |
| 12 | * |
| 13 | * |
| 14 | * See file CREDITS for list of people who contributed to this |
| 15 | * project. |
| 16 | * |
| 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. |
| 21 | * |
| 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. |
| 26 | * |
| 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, |
| 30 | * MA 02111-1307 USA |
| 31 | */ |
| 32 | #include <common.h> |
| 33 | #include <asm/arch/sys_proto.h> |
| 34 | #include <i2c.h> |
| 35 | |
| 36 | /****************************************************************************** |
| 37 | * Routine: power_init_r |
| 38 | * Description: Configure power supply |
| 39 | *****************************************************************************/ |
| 40 | void power_init_r(void) |
| 41 | { |
| 42 | unsigned char byte; |
| 43 | |
| 44 | #ifdef CONFIG_DRIVER_OMAP34XX_I2C |
| 45 | i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
| 46 | #endif |
| 47 | |
| 48 | /* |
| 49 | * Configure OMAP3 supply voltages in power management |
| 50 | * companion chip. |
| 51 | */ |
| 52 | |
| 53 | /* set VAUX3 to 2.8V */ |
| 54 | byte = DEV_GRP_P1; |
| 55 | i2c_write(PWRMGT_ADDR_ID4, VAUX3_DEV_GRP, 1, &byte, 1); |
| 56 | byte = VAUX3_VSEL_28; |
| 57 | i2c_write(PWRMGT_ADDR_ID4, VAUX3_DEDICATED, 1, &byte, 1); |
| 58 | |
| 59 | /* set VPLL2 to 1.8V */ |
| 60 | byte = DEV_GRP_ALL; |
| 61 | i2c_write(PWRMGT_ADDR_ID4, VPLL2_DEV_GRP, 1, &byte, 1); |
| 62 | byte = VPLL2_VSEL_18; |
| 63 | i2c_write(PWRMGT_ADDR_ID4, VPLL2_DEDICATED, 1, &byte, 1); |
| 64 | |
| 65 | /* set VDAC to 1.8V */ |
| 66 | byte = DEV_GRP_P1; |
| 67 | i2c_write(PWRMGT_ADDR_ID4, VDAC_DEV_GRP, 1, &byte, 1); |
| 68 | byte = VDAC_VSEL_18; |
| 69 | i2c_write(PWRMGT_ADDR_ID4, VDAC_DEDICATED, 1, &byte, 1); |
| 70 | |
| 71 | /* enable LED */ |
| 72 | byte = LEDBPWM | LEDAPWM | LEDBON | LEDAON; |
| 73 | i2c_write(PWRMGT_ADDR_ID3, LEDEN, 1, &byte, 1); |
| 74 | } |