1 /*
2  * Copyright (C) 2009-2012
3  * Wojciech Dubowik <wojciech.dubowik@neratec.com>
4  * Luka Perkov <luka@openwrt.org>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #include <miiphy.h>
11 #include <asm/arch/cpu.h>
12 #include <asm/arch/kirkwood.h>
13 #include <asm/arch/mpp.h>
14 #include "iconnect.h"
15 
16 DECLARE_GLOBAL_DATA_PTR;
17 
18 int board_early_init_f(void)
19 {
20 	/*
21 	 * default gpio configuration
22 	 * There are maximum 64 gpios controlled through 2 sets of registers
23 	 * the below configuration configures mainly initial LED status
24 	 */
25 	kw_config_gpio(ICONNECT_OE_VAL_LOW,
26 			ICONNECT_OE_VAL_HIGH,
27 			ICONNECT_OE_LOW, ICONNECT_OE_HIGH);
28 
29 	/* Multi-Purpose Pins Functionality configuration */
30 	static const u32 kwmpp_config[] = {
31 		MPP0_NF_IO2,
32 		MPP1_NF_IO3,
33 		MPP2_NF_IO4,
34 		MPP3_NF_IO5,
35 		MPP4_NF_IO6,
36 		MPP5_NF_IO7,
37 		MPP6_SYSRST_OUTn,	/* Reset signal */
38 		MPP7_GPO,
39 		MPP8_TW_SDA,		/* I2C */
40 		MPP9_TW_SCK,		/* I2C */
41 		MPP10_UART0_TXD,
42 		MPP11_UART0_RXD,
43 		MPP12_GPO,		/* Reset button */
44 		MPP13_SD_CMD,
45 		MPP14_SD_D0,
46 		MPP15_SD_D1,
47 		MPP16_SD_D2,
48 		MPP17_SD_D3,
49 		MPP18_NF_IO0,
50 		MPP19_NF_IO1,
51 		MPP20_GE1_0,
52 		MPP21_GE1_1,
53 		MPP22_GE1_2,
54 		MPP23_GE1_3,
55 		MPP24_GE1_4,
56 		MPP25_GE1_5,
57 		MPP26_GE1_6,
58 		MPP27_GE1_7,
59 		MPP28_GPIO,
60 		MPP29_GPIO,
61 		MPP30_GE1_10,
62 		MPP31_GE1_11,
63 		MPP32_GE1_12,
64 		MPP33_GE1_13,
65 		MPP34_GE1_14,
66 		MPP35_GPIO,		/* OTB button */
67 		MPP36_AUDIO_SPDIFI,
68 		MPP37_AUDIO_SPDIFO,
69 		MPP38_GPIO,
70 		MPP39_TDM_SPI_CS0,
71 		MPP40_TDM_SPI_SCK,
72 		MPP41_GPIO,		/* LED brightness */
73 		MPP42_GPIO,		/* LED power (blue) */
74 		MPP43_GPIO,		/* LED power (red) */
75 		MPP44_GPIO,		/* LED USB 1 */
76 		MPP45_GPIO,		/* LED USB 2 */
77 		MPP46_GPIO,		/* LED USB 3 */
78 		MPP47_GPIO,		/* LED USB 4 */
79 		MPP48_GPIO,		/* LED OTB */
80 		MPP49_GPIO,
81 		0
82 	};
83 	kirkwood_mpp_conf(kwmpp_config, NULL);
84 	return 0;
85 }
86 
87 int board_init(void)
88 {
89 	/* adress of boot parameters */
90 	gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
91 
92 	return 0;
93 }
94