1 /*
2  * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
3  *
4  * Based on Kirkwood support:
5  * (C) Copyright 2009
6  * Marvell Semiconductor <www.marvell.com>
7  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
8  *
9  * See file CREDITS for list of people who contributed to this
10  * project.
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License as
14  * published by the Free Software Foundation; either version 2 of
15  * the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20  * GNU General Public License for more details.
21  */
22 
23 #include <common.h>
24 #include <command.h>
25 #include <asm/arch/cpu.h>
26 #include <asm/arch/kirkwood.h>
27 #include <asm/arch/mpp.h>
28 #include <asm/arch/gpio.h>
29 
30 #include "net2big_v2.h"
31 #include "../common/common.h"
32 
33 DECLARE_GLOBAL_DATA_PTR;
34 
35 int board_early_init_f(void)
36 {
37 	/* GPIO configuration */
38 	kw_config_gpio(NET2BIG_V2_OE_VAL_LOW, NET2BIG_V2_OE_VAL_HIGH,
39 			NET2BIG_V2_OE_LOW, NET2BIG_V2_OE_HIGH);
40 
41 	/* Multi-Purpose Pins Functionality configuration */
42 	u32 kwmpp_config[] = {
43 		MPP0_SPI_SCn,
44 		MPP1_SPI_MOSI,
45 		MPP2_SPI_SCK,
46 		MPP3_SPI_MISO,
47 		MPP6_SYSRST_OUTn,
48 		MPP7_GPO,		/* Request power-off */
49 		MPP8_TW_SDA,
50 		MPP9_TW_SCK,
51 		MPP10_UART0_TXD,
52 		MPP11_UART0_RXD,
53 		MPP13_GPIO,		/* Rear power switch (on|auto) */
54 		MPP14_GPIO,		/* USB fuse alarm */
55 		MPP15_GPIO,		/* Rear power switch (auto|off) */
56 		MPP16_GPIO,		/* SATA HDD1 power */
57 		MPP17_GPIO,		/* SATA HDD2 power */
58 		MPP20_SATA1_ACTn,
59 		MPP21_SATA0_ACTn,
60 		MPP24_GPIO,		/* USB mode select */
61 		MPP26_GPIO,		/* USB device vbus */
62 		MPP28_GPIO,		/* USB enable host vbus */
63 		MPP29_GPIO,		/* GPIO extension ALE */
64 		MPP34_GPIO,		/* Rear Push button 0=on 1=off */
65 		MPP35_GPIO,		/* Inhibit switch power-off */
66 		MPP36_GPIO,		/* SATA HDD1 presence */
67 		MPP37_GPIO,		/* SATA HDD2 presence */
68 		MPP40_GPIO,		/* eSATA presence */
69 		MPP44_GPIO,		/* GPIO extension (data 0) */
70 		MPP45_GPIO,		/* GPIO extension (data 1) */
71 		MPP46_GPIO,		/* GPIO extension (data 2) */
72 		MPP47_GPIO,		/* GPIO extension (addr 0) */
73 		MPP48_GPIO,		/* GPIO extension (addr 1) */
74 		MPP49_GPIO,		/* GPIO extension (addr 2) */
75 		0
76 	};
77 
78 	kirkwood_mpp_conf(kwmpp_config);
79 
80 	return 0;
81 }
82 
83 int board_init(void)
84 {
85 	/* Machine number */
86 	gd->bd->bi_arch_number = MACH_TYPE_NET2BIG_V2;
87 
88 	/* Boot parameters address */
89 	gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
90 
91 	return 0;
92 }
93 
94 #if defined(CONFIG_MISC_INIT_R)
95 int misc_init_r(void)
96 {
97 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
98 	if (!getenv("ethaddr")) {
99 		uchar mac[6];
100 		if (lacie_read_mac_address(mac) == 0)
101 			eth_setenv_enetaddr("ethaddr", mac);
102 	}
103 #endif
104 	return 0;
105 }
106 #endif
107 
108 #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
109 /* Configure and initialize PHY */
110 void reset_phy(void)
111 {
112 	mv_phy_88e1116_init("egiga0");
113 }
114 #endif
115 
116 #if defined(CONFIG_KIRKWOOD_GPIO)
117 /* Return GPIO push button status */
118 static int
119 do_read_push_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
120 {
121 	return !kw_gpio_get_value(NET2BIG_V2_GPIO_PUSH_BUTTON);
122 }
123 
124 U_BOOT_CMD(button, 1, 1, do_read_push_button,
125 	   "Return GPIO push button status 0=off 1=on", "");
126 #endif
127