2 * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
4 * Based on Kirkwood support:
6 * Marvell Semiconductor <www.marvell.com>
7 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
9 * See file CREDITS for list of people who contributed to this
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.
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.
26 #include <asm/arch/cpu.h>
27 #include <asm/arch/kirkwood.h>
28 #include <asm/arch/mpp.h>
29 #include <asm/arch/gpio.h>
31 #include "net2big_v2.h"
32 #include "../common/common.h"
34 DECLARE_GLOBAL_DATA_PTR;
36 int board_early_init_f(void)
38 /* GPIO configuration */
39 kw_config_gpio(NET2BIG_V2_OE_VAL_LOW, NET2BIG_V2_OE_VAL_HIGH,
40 NET2BIG_V2_OE_LOW, NET2BIG_V2_OE_HIGH);
42 /* Multi-Purpose Pins Functionality configuration */
43 static const u32 kwmpp_config[] = {
49 MPP7_GPO, /* Request power-off */
54 MPP13_GPIO, /* Rear power switch (on|auto) */
55 MPP14_GPIO, /* USB fuse alarm */
56 MPP15_GPIO, /* Rear power switch (auto|off) */
57 MPP16_GPIO, /* SATA HDD1 power */
58 MPP17_GPIO, /* SATA HDD2 power */
61 MPP24_GPIO, /* USB mode select */
62 MPP26_GPIO, /* USB device vbus */
63 MPP28_GPIO, /* USB enable host vbus */
64 MPP29_GPIO, /* GPIO extension ALE */
65 MPP34_GPIO, /* Rear Push button 0=on 1=off */
66 MPP35_GPIO, /* Inhibit switch power-off */
67 MPP36_GPIO, /* SATA HDD1 presence */
68 MPP37_GPIO, /* SATA HDD2 presence */
69 MPP40_GPIO, /* eSATA presence */
70 MPP44_GPIO, /* GPIO extension (data 0) */
71 MPP45_GPIO, /* GPIO extension (data 1) */
72 MPP46_GPIO, /* GPIO extension (data 2) */
73 MPP47_GPIO, /* GPIO extension (addr 0) */
74 MPP48_GPIO, /* GPIO extension (addr 1) */
75 MPP49_GPIO, /* GPIO extension (addr 2) */
79 kirkwood_mpp_conf(kwmpp_config, NULL);
87 gd->bd->bi_arch_number = MACH_TYPE_NET2BIG_V2;
89 /* Boot parameters address */
90 gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
95 #if defined(CONFIG_MISC_INIT_R)
97 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_G762_ADDR)
99 * Start I2C fan (GMT G762 controller)
101 static void init_fan(void)
107 /* Enable open-loop and PWM modes */
109 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
110 G762_REG_FAN_CMD1, 1, &data, 1) != 0)
113 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
114 G762_REG_SET_CNT, 1, &data, 1) != 0)
117 * RPM to PWM (set_out register) fan speed conversion array:
130 * Start fan at low speed (2800 RPM):
133 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
134 G762_REG_SET_OUT, 1, &data, 1) != 0)
139 printf("Error: failed to start I2C fan @%02x\n",
140 CONFIG_SYS_I2C_G762_ADDR);
143 static void init_fan(void) {}
144 #endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_G762_ADDR */
146 int misc_init_r(void)
149 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
150 if (!getenv("ethaddr")) {
152 if (lacie_read_mac_address(mac) == 0)
153 eth_setenv_enetaddr("ethaddr", mac);
158 #endif /* CONFIG_MISC_INIT_R */
160 #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
161 /* Configure and initialize PHY */
164 mv_phy_88e1116_init("egiga0", 8);
168 #if defined(CONFIG_KIRKWOOD_GPIO)
169 /* Return GPIO push button status */
171 do_read_push_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
173 return !kw_gpio_get_value(NET2BIG_V2_GPIO_PUSH_BUTTON);
176 U_BOOT_CMD(button, 1, 1, do_read_push_button,
177 "Return GPIO push button status 0=off 1=on", "");