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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/io.h> | |
34 | #include <asm/arch/mux.h> | |
35 | #include <asm/arch/sys_proto.h> | |
36 | #include <asm/mach-types.h> | |
37 | #include "beagle.h" | |
38 | ||
39 | /****************************************************************************** | |
40 | * Routine: board_init | |
41 | * Description: Early hardware init. | |
42 | *****************************************************************************/ | |
43 | int board_init(void) | |
44 | { | |
45 | DECLARE_GLOBAL_DATA_PTR; | |
46 | ||
47 | gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ | |
48 | /* board id for Linux */ | |
49 | gd->bd->bi_arch_number = MACH_TYPE_OMAP3_BEAGLE; | |
50 | /* boot param addr */ | |
51 | gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); | |
52 | ||
53 | return 0; | |
54 | } | |
55 | ||
56 | /****************************************************************************** | |
57 | * Routine: misc_init_r | |
58 | * Description: Configure board specific parts | |
59 | *****************************************************************************/ | |
60 | int misc_init_r(void) | |
61 | { | |
62 | gpio_t *gpio5_base = (gpio_t *)OMAP34XX_GPIO5_BASE; | |
63 | gpio_t *gpio6_base = (gpio_t *)OMAP34XX_GPIO6_BASE; | |
64 | ||
65 | power_init_r(); | |
66 | ||
67 | /* Configure GPIOs to output */ | |
68 | writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe); | |
69 | writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 | | |
70 | GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe); | |
71 | ||
72 | /* Set GPIOs */ | |
73 | writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1, | |
74 | &gpio6_base->setdataout); | |
75 | writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 | | |
76 | GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout); | |
77 | ||
78 | return 0; | |
79 | } | |
80 | ||
81 | /****************************************************************************** | |
82 | * Routine: set_muxconf_regs | |
83 | * Description: Setting up the configuration Mux registers specific to the | |
84 | * hardware. Many pins need to be moved from protect to primary | |
85 | * mode. | |
86 | *****************************************************************************/ | |
87 | void set_muxconf_regs(void) | |
88 | { | |
89 | MUX_BEAGLE(); | |
90 | } |