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"
33 #include "../common/cpld-gpio-bus.h"
35 DECLARE_GLOBAL_DATA_PTR;
37 int board_early_init_f(void)
39 /* GPIO configuration */
40 kw_config_gpio(NET2BIG_V2_OE_VAL_LOW, NET2BIG_V2_OE_VAL_HIGH,
41 NET2BIG_V2_OE_LOW, NET2BIG_V2_OE_HIGH);
43 /* Multi-Purpose Pins Functionality configuration */
44 static const u32 kwmpp_config[] = {
50 MPP7_GPO, /* Request power-off */
55 MPP13_GPIO, /* Rear power switch (on|auto) */
56 MPP14_GPIO, /* USB fuse alarm */
57 MPP15_GPIO, /* Rear power switch (auto|off) */
58 MPP16_GPIO, /* SATA HDD1 power */
59 MPP17_GPIO, /* SATA HDD2 power */
62 MPP24_GPIO, /* USB mode select */
63 MPP26_GPIO, /* USB device vbus */
64 MPP28_GPIO, /* USB enable host vbus */
65 MPP29_GPIO, /* CPLD GPIO bus ALE */
66 MPP34_GPIO, /* Rear Push button 0=on 1=off */
67 MPP35_GPIO, /* Inhibit switch power-off */
68 MPP36_GPIO, /* SATA HDD1 presence */
69 MPP37_GPIO, /* SATA HDD2 presence */
70 MPP40_GPIO, /* eSATA presence */
71 MPP44_GPIO, /* CPLD GPIO bus (data 0) */
72 MPP45_GPIO, /* CPLD GPIO bus (data 1) */
73 MPP46_GPIO, /* CPLD GPIO bus (data 2) */
74 MPP47_GPIO, /* CPLD GPIO bus (addr 0) */
75 MPP48_GPIO, /* CPLD GPIO bus (addr 1) */
76 MPP49_GPIO, /* CPLD GPIO bus (addr 2) */
80 kirkwood_mpp_conf(kwmpp_config, NULL);
88 gd->bd->bi_arch_number = MACH_TYPE_NET2BIG_V2;
90 /* Boot parameters address */
91 gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
96 #if defined(CONFIG_MISC_INIT_R)
98 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_G762_ADDR)
100 * Start I2C fan (GMT G762 controller)
102 static void init_fan(void)
108 /* Enable open-loop and PWM modes */
110 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
111 G762_REG_FAN_CMD1, 1, &data, 1) != 0)
114 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
115 G762_REG_SET_CNT, 1, &data, 1) != 0)
118 * RPM to PWM (set_out register) fan speed conversion array:
131 * Start fan at low speed (2800 RPM):
134 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
135 G762_REG_SET_OUT, 1, &data, 1) != 0)
140 printf("Error: failed to start I2C fan @%02x\n",
141 CONFIG_SYS_I2C_G762_ADDR);
144 static void init_fan(void) {}
145 #endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_G762_ADDR */
147 #if defined(CONFIG_NET2BIG_V2) && defined(CONFIG_KIRKWOOD_GPIO)
151 * - address register : bit [0-2] -> GPIO [47-49]
152 * - data register : bit [0-2] -> GPIO [44-46]
153 * - enable register : GPIO 29
155 static unsigned cpld_gpio_bus_addr[] = { 47, 48, 49 };
156 static unsigned cpld_gpio_bus_data[] = { 44, 45, 46 };
158 static struct cpld_gpio_bus cpld_gpio_bus = {
159 .addr = cpld_gpio_bus_addr,
160 .num_addr = ARRAY_SIZE(cpld_gpio_bus_addr),
161 .data = cpld_gpio_bus_data,
162 .num_data = ARRAY_SIZE(cpld_gpio_bus_data),
167 * LEDs configuration:
169 * The LEDs are controlled by a CPLD and can be configured through
172 * Address register selection:
175 * ----------------------------
177 * 1 | front LED brightness
178 * 2 | SATA LED brightness
185 * Data register configuration:
187 * data | LED brightness
188 * -------------------------------------------------
193 * data | front LED mode
194 * -------------------------------------------------
198 * 3 | blink blue on=1 sec and blue off=1 sec
199 * 4 | blink red on=1 sec and red off=1 sec
200 * 5 | blink blue on=2.5 sec and red on=0.5 sec
201 * 6 | blink blue on=1 sec and red on=1 sec
202 * 7 | blink blue on=0.5 sec and blue off=2.5 sec
204 * data | SATA LED mode
205 * -------------------------------------------------
207 * 1 | SATA activity blink
209 * 3 | blink blue on=1 sec and blue off=1 sec
210 * 4 | blink red on=1 sec and red off=1 sec
211 * 5 | blink blue on=2.5 sec and red on=0.5 sec
212 * 6 | blink blue on=1 sec and red on=1 sec
215 static void init_leds(void)
217 /* Enable the front blue LED */
218 cpld_gpio_bus_write(&cpld_gpio_bus, 0, 1);
219 cpld_gpio_bus_write(&cpld_gpio_bus, 1, 3);
221 /* Configure SATA LEDs to blink in relation with the SATA activity */
222 cpld_gpio_bus_write(&cpld_gpio_bus, 3, 1);
223 cpld_gpio_bus_write(&cpld_gpio_bus, 4, 1);
224 cpld_gpio_bus_write(&cpld_gpio_bus, 2, 3);
227 static void init_leds(void) {}
228 #endif /* CONFIG_NET2BIG_V2 && CONFIG_KIRKWOOD_GPIO */
230 int misc_init_r(void)
233 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
234 if (!getenv("ethaddr")) {
236 if (lacie_read_mac_address(mac) == 0)
237 eth_setenv_enetaddr("ethaddr", mac);
244 #endif /* CONFIG_MISC_INIT_R */
246 #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
247 /* Configure and initialize PHY */
250 mv_phy_88e1116_init("egiga0", 8);
254 #if defined(CONFIG_KIRKWOOD_GPIO)
255 /* Return GPIO push button status */
257 do_read_push_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
259 return !kw_gpio_get_value(NET2BIG_V2_GPIO_PUSH_BUTTON);
262 U_BOOT_CMD(button, 1, 1, do_read_push_button,
263 "Return GPIO push button status 0=off 1=on", "");