Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2008 |
| 3 | * Grazvydas Ignotas <notasas@gmail.com> |
| 4 | * |
| 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> |
| 10 | * |
| 11 | * (C) Copyright 2004-2008 |
| 12 | * Texas Instruments, <www.ti.com> |
| 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> |
Tom Rix | 0f2a804 | 2009-06-28 12:52:30 -0500 | [diff] [blame] | 33 | #include <twl4030.h> |
Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 34 | #include <asm/io.h> |
Tom Rini | 8392251 | 2011-09-03 21:51:25 -0400 | [diff] [blame] | 35 | #include <asm/arch/mmc_host_def.h> |
Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 36 | #include <asm/arch/mux.h> |
Aneesh V | 1843eca | 2011-07-31 20:30:53 +0000 | [diff] [blame] | 37 | #include <asm/arch/gpio.h> |
Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 38 | #include <asm/arch/sys_proto.h> |
| 39 | #include <asm/mach-types.h> |
| 40 | #include "pandora.h" |
| 41 | |
John Rigby | 0d21ed0 | 2010-12-20 18:27:51 -0700 | [diff] [blame] | 42 | DECLARE_GLOBAL_DATA_PTR; |
| 43 | |
Grazvydas Ignotas | 09a2251 | 2010-06-08 17:19:22 -0400 | [diff] [blame] | 44 | #define TWL4030_BB_CFG_BBCHEN (1 << 4) |
| 45 | #define TWL4030_BB_CFG_BBSEL_3200MV (3 << 2) |
| 46 | #define TWL4030_BB_CFG_BBISEL_500UA 2 |
| 47 | |
Tom Rix | 558bb83 | 2009-04-01 22:02:20 -0500 | [diff] [blame] | 48 | /* |
Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 49 | * Routine: board_init |
| 50 | * Description: Early hardware init. |
Tom Rix | 558bb83 | 2009-04-01 22:02:20 -0500 | [diff] [blame] | 51 | */ |
Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 52 | int board_init(void) |
| 53 | { |
Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 54 | gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ |
| 55 | /* board id for Linux */ |
| 56 | gd->bd->bi_arch_number = MACH_TYPE_OMAP3_PANDORA; |
| 57 | /* boot param addr */ |
| 58 | gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); |
| 59 | |
| 60 | return 0; |
| 61 | } |
| 62 | |
Tom Rix | 558bb83 | 2009-04-01 22:02:20 -0500 | [diff] [blame] | 63 | /* |
Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 64 | * Routine: misc_init_r |
| 65 | * Description: Configure board specific parts |
Tom Rix | 558bb83 | 2009-04-01 22:02:20 -0500 | [diff] [blame] | 66 | */ |
Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 67 | int misc_init_r(void) |
| 68 | { |
Dirk Behme | dc7af20 | 2009-08-08 09:30:21 +0200 | [diff] [blame] | 69 | struct gpio *gpio1_base = (struct gpio *)OMAP34XX_GPIO1_BASE; |
| 70 | struct gpio *gpio4_base = (struct gpio *)OMAP34XX_GPIO4_BASE; |
| 71 | struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE; |
| 72 | struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE; |
Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 73 | |
Grazvydas Ignotas | 17887bf | 2009-12-10 17:10:21 +0200 | [diff] [blame] | 74 | twl4030_led_init(TWL4030_LED_LEDEN_LEDBON); |
Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 75 | |
| 76 | /* Configure GPIOs to output */ |
| 77 | writel(~(GPIO14 | GPIO15 | GPIO16 | GPIO23), &gpio1_base->oe); |
| 78 | writel(~GPIO22, &gpio4_base->oe); /* 118 */ |
| 79 | writel(~(GPIO0 | GPIO1 | GPIO28 | GPIO29 | GPIO30 | GPIO31), |
| 80 | &gpio5_base->oe); /* 128, 129, 156-159 */ |
| 81 | writel(~GPIO4, &gpio6_base->oe); /* 164 */ |
| 82 | |
| 83 | /* Set GPIOs */ |
| 84 | writel(GPIO28, &gpio5_base->setdataout); |
| 85 | writel(GPIO4, &gpio6_base->setdataout); |
| 86 | |
Grazvydas Ignotas | 09a2251 | 2010-06-08 17:19:22 -0400 | [diff] [blame] | 87 | /* Enable battery backup capacitor (3.2V, 0.5mA charge current) */ |
| 88 | twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, |
| 89 | TWL4030_BB_CFG_BBCHEN | TWL4030_BB_CFG_BBSEL_3200MV | |
| 90 | TWL4030_BB_CFG_BBISEL_500UA, TWL4030_PM_RECEIVER_BB_CFG); |
| 91 | |
Dirk Behme | 12dbcf6 | 2009-03-12 19:30:50 +0100 | [diff] [blame] | 92 | dieid_num_r(); |
| 93 | |
Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 94 | return 0; |
| 95 | } |
| 96 | |
Tom Rix | 558bb83 | 2009-04-01 22:02:20 -0500 | [diff] [blame] | 97 | /* |
Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 98 | * Routine: set_muxconf_regs |
| 99 | * Description: Setting up the configuration Mux registers specific to the |
| 100 | * hardware. Many pins need to be moved from protect to primary |
| 101 | * mode. |
Tom Rix | 558bb83 | 2009-04-01 22:02:20 -0500 | [diff] [blame] | 102 | */ |
Dirk Behme | 7b84a7b | 2009-01-28 21:39:58 +0100 | [diff] [blame] | 103 | void set_muxconf_regs(void) |
| 104 | { |
| 105 | MUX_PANDORA(); |
| 106 | } |
Tom Rini | 8392251 | 2011-09-03 21:51:25 -0400 | [diff] [blame] | 107 | |
| 108 | #ifdef CONFIG_GENERIC_MMC |
| 109 | int board_mmc_init(bd_t *bis) |
| 110 | { |
Jonathan Solnit | a9b0556 | 2012-02-24 11:30:18 +0000 | [diff] [blame] | 111 | omap_mmc_init(0, 0, 0); |
Tom Rini | 8392251 | 2011-09-03 21:51:25 -0400 | [diff] [blame] | 112 | return 0; |
| 113 | } |
| 114 | #endif |