blob: 992e9f7625ece834ff1d4f1a54171133689475da [file] [log] [blame]
Dirk Behme2be2c6c2009-01-28 21:39:58 +01001/*
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 Rix2c155132009-06-28 12:52:30 -050033#include <twl4030.h>
Dirk Behme2be2c6c2009-01-28 21:39:58 +010034#include <asm/io.h>
35#include <asm/arch/mux.h>
36#include <asm/arch/sys_proto.h>
37#include <asm/mach-types.h>
38#include "pandora.h"
39
John Rigby29565322010-12-20 18:27:51 -070040DECLARE_GLOBAL_DATA_PTR;
41
Grazvydas Ignotas5246d012010-06-08 17:19:22 -040042#define TWL4030_BB_CFG_BBCHEN (1 << 4)
43#define TWL4030_BB_CFG_BBSEL_3200MV (3 << 2)
44#define TWL4030_BB_CFG_BBISEL_500UA 2
45
Tom Rix58911512009-04-01 22:02:20 -050046/*
Dirk Behme2be2c6c2009-01-28 21:39:58 +010047 * Routine: board_init
48 * Description: Early hardware init.
Tom Rix58911512009-04-01 22:02:20 -050049 */
Dirk Behme2be2c6c2009-01-28 21:39:58 +010050int board_init(void)
51{
Dirk Behme2be2c6c2009-01-28 21:39:58 +010052 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
53 /* board id for Linux */
54 gd->bd->bi_arch_number = MACH_TYPE_OMAP3_PANDORA;
55 /* boot param addr */
56 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
57
58 return 0;
59}
60
Tom Rix58911512009-04-01 22:02:20 -050061/*
Dirk Behme2be2c6c2009-01-28 21:39:58 +010062 * Routine: misc_init_r
63 * Description: Configure board specific parts
Tom Rix58911512009-04-01 22:02:20 -050064 */
Dirk Behme2be2c6c2009-01-28 21:39:58 +010065int misc_init_r(void)
66{
Dirk Behme97a099e2009-08-08 09:30:21 +020067 struct gpio *gpio1_base = (struct gpio *)OMAP34XX_GPIO1_BASE;
68 struct gpio *gpio4_base = (struct gpio *)OMAP34XX_GPIO4_BASE;
69 struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
70 struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
Dirk Behme2be2c6c2009-01-28 21:39:58 +010071
Grazvydas Ignotasead39d72009-12-10 17:10:21 +020072 twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
Dirk Behme2be2c6c2009-01-28 21:39:58 +010073
74 /* Configure GPIOs to output */
75 writel(~(GPIO14 | GPIO15 | GPIO16 | GPIO23), &gpio1_base->oe);
76 writel(~GPIO22, &gpio4_base->oe); /* 118 */
77 writel(~(GPIO0 | GPIO1 | GPIO28 | GPIO29 | GPIO30 | GPIO31),
78 &gpio5_base->oe); /* 128, 129, 156-159 */
79 writel(~GPIO4, &gpio6_base->oe); /* 164 */
80
81 /* Set GPIOs */
82 writel(GPIO28, &gpio5_base->setdataout);
83 writel(GPIO4, &gpio6_base->setdataout);
84
Grazvydas Ignotas5246d012010-06-08 17:19:22 -040085 /* Enable battery backup capacitor (3.2V, 0.5mA charge current) */
86 twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER,
87 TWL4030_BB_CFG_BBCHEN | TWL4030_BB_CFG_BBSEL_3200MV |
88 TWL4030_BB_CFG_BBISEL_500UA, TWL4030_PM_RECEIVER_BB_CFG);
89
Dirk Behmee6a6a702009-03-12 19:30:50 +010090 dieid_num_r();
91
Dirk Behme2be2c6c2009-01-28 21:39:58 +010092 return 0;
93}
94
Tom Rix58911512009-04-01 22:02:20 -050095/*
Dirk Behme2be2c6c2009-01-28 21:39:58 +010096 * Routine: set_muxconf_regs
97 * Description: Setting up the configuration Mux registers specific to the
98 * hardware. Many pins need to be moved from protect to primary
99 * mode.
Tom Rix58911512009-04-01 22:02:20 -0500100 */
Dirk Behme2be2c6c2009-01-28 21:39:58 +0100101void set_muxconf_regs(void)
102{
103 MUX_PANDORA();
104}