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376aee78 TR |
1 | /* |
2 | * Copyright (c) 2009 Wind River Systems, Inc. | |
3 | * Tom Rix <Tom.Rix@windriver.com> | |
4 | * | |
5 | * Derived from Zoom1 code by | |
6 | * Nishanth Menon <nm@ti.com> | |
7 | * Sunil Kumar <sunilsaini05@gmail.com> | |
8 | * Shashi Ranjan <shashiranjanmca05@gmail.com> | |
9 | * Richard Woodruff <r-woodruff2@ti.com> | |
10 | * Syed Mohammed Khasim <khasim@ti.com> | |
11 | * | |
12 | * | |
13 | * See file CREDITS for list of people who contributed to this | |
14 | * project. | |
15 | * | |
16 | * This program is free software; you can redistribute it and/or | |
17 | * modify it under the terms of the GNU General Public License as | |
18 | * published by the Free Software Foundation; either version 2 of | |
19 | * the License, or (at your option) any later version. | |
20 | * | |
21 | * This program is distributed in the hope that it will be useful, | |
22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | * GNU General Public License for more details. | |
25 | * | |
26 | * You should have received a copy of the GNU General Public License | |
27 | * along with this program; if not, write to the Free Software | |
28 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
29 | * MA 02111-1307 USA | |
30 | */ | |
31 | #include <common.h> | |
83ae698f TR |
32 | #ifdef CONFIG_STATUS_LED |
33 | #include <status_led.h> | |
34 | #endif | |
376aee78 | 35 | #include <asm/io.h> |
660888b7 | 36 | #include <asm/arch/mem.h> |
376aee78 TR |
37 | #include <asm/arch/mux.h> |
38 | #include <asm/arch/sys_proto.h> | |
39 | #include <asm/mach-types.h> | |
40 | #include "zoom2.h" | |
660888b7 TR |
41 | #include "zoom2_serial.h" |
42 | ||
43 | /* | |
44 | * This the the zoom2, board specific, gpmc configuration for the | |
45 | * quad uart on the debug board. The more general gpmc configurations | |
46 | * are setup at the cpu level in cpu/arm_cortexa8/omap3/mem.c | |
47 | * | |
48 | * The details of the setting of the serial gpmc setup are not available. | |
49 | * The values were provided by another party. | |
50 | */ | |
51 | extern void enable_gpmc_config(u32 *gpmc_config, gpmc_csx_t *gpmc_cs_base, | |
52 | u32 base, u32 size); | |
53 | ||
54 | static u32 gpmc_serial_TL16CP754C[GPMC_MAX_REG] = { | |
55 | 0x00011000, | |
56 | 0x001F1F01, | |
57 | 0x00080803, | |
58 | 0x1D091D09, | |
59 | 0x041D1F1F, | |
60 | 0x1D0904C4, 0 | |
61 | }; | |
376aee78 TR |
62 | |
63 | /* | |
64 | * Routine: board_init | |
65 | * Description: Early hardware init. | |
66 | */ | |
67 | int board_init (void) | |
68 | { | |
69 | DECLARE_GLOBAL_DATA_PTR; | |
660888b7 TR |
70 | gpmc_csx_t *serial_cs_base; |
71 | u32 *gpmc_config; | |
376aee78 TR |
72 | |
73 | gpmc_init (); /* in SRAM or SDRAM, finish GPMC */ | |
660888b7 TR |
74 | |
75 | /* Configure console support on zoom2 */ | |
76 | gpmc_config = gpmc_serial_TL16CP754C; | |
77 | serial_cs_base = (gpmc_csx_t *) (GPMC_CONFIG_CS0_BASE + | |
78 | (3 * GPMC_CONFIG_WIDTH)); | |
79 | enable_gpmc_config(gpmc_config, | |
80 | serial_cs_base, | |
81 | SERIAL_TL16CP754C_BASE, | |
82 | GPMC_SIZE_16M); | |
83 | ||
376aee78 TR |
84 | /* board id for Linux */ |
85 | gd->bd->bi_arch_number = MACH_TYPE_OMAP_ZOOM2; | |
86 | /* boot param addr */ | |
87 | gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); | |
88 | ||
660888b7 TR |
89 | #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) |
90 | status_led_set (STATUS_LED_BOOT, STATUS_LED_ON); | |
91 | #endif | |
376aee78 TR |
92 | return 0; |
93 | } | |
94 | ||
95 | /* | |
96 | * Routine: misc_init_r | |
97 | * Description: Configure zoom board specific configurations | |
98 | */ | |
99 | int misc_init_r (void) | |
100 | { | |
101 | power_init_r (); | |
102 | dieid_num_r (); | |
103 | return 0; | |
104 | } | |
105 | ||
106 | /* | |
107 | * Routine: set_muxconf_regs | |
108 | * Description: Setting up the configuration Mux registers specific to the | |
109 | * hardware. Many pins need to be moved from protect to primary | |
110 | * mode. | |
111 | */ | |
112 | void set_muxconf_regs (void) | |
113 | { | |
114 | /* platform specific muxes */ | |
115 | MUX_ZOOM2 (); | |
116 | } |