xref: /openbmc/u-boot/board/pandora/pandora.c (revision a380279b)
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>
33 #include <twl4030.h>
34 #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 
40 /*
41  * Routine: board_init
42  * Description: Early hardware init.
43  */
44 int board_init(void)
45 {
46 	DECLARE_GLOBAL_DATA_PTR;
47 
48 	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
49 	/* board id for Linux */
50 	gd->bd->bi_arch_number = MACH_TYPE_OMAP3_PANDORA;
51 	/* boot param addr */
52 	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
53 
54 	return 0;
55 }
56 
57 /*
58  * Routine: misc_init_r
59  * Description: Configure board specific parts
60  */
61 int misc_init_r(void)
62 {
63 	struct gpio *gpio1_base = (struct gpio *)OMAP34XX_GPIO1_BASE;
64 	struct gpio *gpio4_base = (struct gpio *)OMAP34XX_GPIO4_BASE;
65 	struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
66 	struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
67 
68 	twl4030_power_init();
69 	twl4030_led_init();
70 
71 	/* Configure GPIOs to output */
72 	writel(~(GPIO14 | GPIO15 | GPIO16 | GPIO23), &gpio1_base->oe);
73 	writel(~GPIO22, &gpio4_base->oe);	/* 118 */
74 	writel(~(GPIO0 | GPIO1 | GPIO28 | GPIO29 | GPIO30 | GPIO31),
75 		&gpio5_base->oe);	/* 128, 129, 156-159 */
76 	writel(~GPIO4, &gpio6_base->oe);	/* 164 */
77 
78 	/* Set GPIOs */
79 	writel(GPIO28, &gpio5_base->setdataout);
80 	writel(GPIO4, &gpio6_base->setdataout);
81 
82 	dieid_num_r();
83 
84 	return 0;
85 }
86 
87 /*
88  * Routine: set_muxconf_regs
89  * Description: Setting up the configuration Mux registers specific to the
90  *		hardware. Many pins need to be moved from protect to primary
91  *		mode.
92  */
93 void set_muxconf_regs(void)
94 {
95 	MUX_PANDORA();
96 }
97