1 /*
2  * Copyright (C) 2009-2012
3  * Wojciech Dubowik <wojciech.dubowik@neratec.com>
4  * Luka Perkov <luka@openwrt.org>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program. If not, see <http://www.gnu.org/licenses/>.
21  */
22 
23 #include <common.h>
24 #include <miiphy.h>
25 #include <asm/arch/cpu.h>
26 #include <asm/arch/kirkwood.h>
27 #include <asm/arch/mpp.h>
28 #include "iconnect.h"
29 
30 DECLARE_GLOBAL_DATA_PTR;
31 
32 int board_early_init_f(void)
33 {
34 	/*
35 	 * default gpio configuration
36 	 * There are maximum 64 gpios controlled through 2 sets of registers
37 	 * the below configuration configures mainly initial LED status
38 	 */
39 	kw_config_gpio(ICONNECT_OE_VAL_LOW,
40 			ICONNECT_OE_VAL_HIGH,
41 			ICONNECT_OE_LOW, ICONNECT_OE_HIGH);
42 
43 	/* Multi-Purpose Pins Functionality configuration */
44 	static const u32 kwmpp_config[] = {
45 		MPP0_NF_IO2,
46 		MPP1_NF_IO3,
47 		MPP2_NF_IO4,
48 		MPP3_NF_IO5,
49 		MPP4_NF_IO6,
50 		MPP5_NF_IO7,
51 		MPP6_SYSRST_OUTn,	/* Reset signal */
52 		MPP7_GPO,
53 		MPP8_TW_SDA,		/* I2C */
54 		MPP9_TW_SCK,		/* I2C */
55 		MPP10_UART0_TXD,
56 		MPP11_UART0_RXD,
57 		MPP12_GPO,		/* Reset button */
58 		MPP13_SD_CMD,
59 		MPP14_SD_D0,
60 		MPP15_SD_D1,
61 		MPP16_SD_D2,
62 		MPP17_SD_D3,
63 		MPP18_NF_IO0,
64 		MPP19_NF_IO1,
65 		MPP20_GE1_0,
66 		MPP21_GE1_1,
67 		MPP22_GE1_2,
68 		MPP23_GE1_3,
69 		MPP24_GE1_4,
70 		MPP25_GE1_5,
71 		MPP26_GE1_6,
72 		MPP27_GE1_7,
73 		MPP28_GPIO,
74 		MPP29_GPIO,
75 		MPP30_GE1_10,
76 		MPP31_GE1_11,
77 		MPP32_GE1_12,
78 		MPP33_GE1_13,
79 		MPP34_GE1_14,
80 		MPP35_GPIO,		/* OTB button */
81 		MPP36_AUDIO_SPDIFI,
82 		MPP37_AUDIO_SPDIFO,
83 		MPP38_GPIO,
84 		MPP39_TDM_SPI_CS0,
85 		MPP40_TDM_SPI_SCK,
86 		MPP41_GPIO,		/* LED brightness */
87 		MPP42_GPIO,		/* LED power (blue) */
88 		MPP43_GPIO,		/* LED power (red) */
89 		MPP44_GPIO,		/* LED USB 1 */
90 		MPP45_GPIO,		/* LED USB 2 */
91 		MPP46_GPIO,		/* LED USB 3 */
92 		MPP47_GPIO,		/* LED USB 4 */
93 		MPP48_GPIO,		/* LED OTB */
94 		MPP49_GPIO,
95 		0
96 	};
97 	kirkwood_mpp_conf(kwmpp_config, NULL);
98 	return 0;
99 }
100 
101 int board_init(void)
102 {
103 	/* adress of boot parameters */
104 	gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
105 
106 	return 0;
107 }
108