1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
5 * Based on Kirkwood support:
7 * Marvell Semiconductor <www.marvell.com>
8 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
16 #include <asm/mach-types.h>
17 #include <asm/arch/cpu.h>
18 #include <asm/arch/soc.h>
19 #include <asm/arch/mpp.h>
20 #include <asm/arch/gpio.h>
22 #include "net2big_v2.h"
23 #include "../common/common.h"
24 #include "../common/cpld-gpio-bus.h"
26 DECLARE_GLOBAL_DATA_PTR;
28 int board_early_init_f(void)
30 /* GPIO configuration */
31 mvebu_config_gpio(NET2BIG_V2_OE_VAL_LOW, NET2BIG_V2_OE_VAL_HIGH,
32 NET2BIG_V2_OE_LOW, NET2BIG_V2_OE_HIGH);
34 /* Multi-Purpose Pins Functionality configuration */
35 static const u32 kwmpp_config[] = {
41 MPP7_GPO, /* Request power-off */
46 MPP13_GPIO, /* Rear power switch (on|auto) */
47 MPP14_GPIO, /* USB fuse alarm */
48 MPP15_GPIO, /* Rear power switch (auto|off) */
49 MPP16_GPIO, /* SATA HDD1 power */
50 MPP17_GPIO, /* SATA HDD2 power */
53 MPP24_GPIO, /* USB mode select */
54 MPP26_GPIO, /* USB device vbus */
55 MPP28_GPIO, /* USB enable host vbus */
56 MPP29_GPIO, /* CPLD GPIO bus ALE */
57 MPP34_GPIO, /* Rear Push button 0=on 1=off */
58 MPP35_GPIO, /* Inhibit switch power-off */
59 MPP36_GPIO, /* SATA HDD1 presence */
60 MPP37_GPIO, /* SATA HDD2 presence */
61 MPP40_GPIO, /* eSATA presence */
62 MPP44_GPIO, /* CPLD GPIO bus (data 0) */
63 MPP45_GPIO, /* CPLD GPIO bus (data 1) */
64 MPP46_GPIO, /* CPLD GPIO bus (data 2) */
65 MPP47_GPIO, /* CPLD GPIO bus (addr 0) */
66 MPP48_GPIO, /* CPLD GPIO bus (addr 1) */
67 MPP49_GPIO, /* CPLD GPIO bus (addr 2) */
71 kirkwood_mpp_conf(kwmpp_config, NULL);
79 gd->bd->bi_arch_number = MACH_TYPE_NET2BIG_V2;
81 /* Boot parameters address */
82 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
87 #if defined(CONFIG_MISC_INIT_R)
89 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_G762_ADDR)
91 * Start I2C fan (GMT G762 controller)
93 static void init_fan(void)
99 /* Enable open-loop and PWM modes */
101 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
102 G762_REG_FAN_CMD1, 1, &data, 1) != 0)
105 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
106 G762_REG_SET_CNT, 1, &data, 1) != 0)
109 * RPM to PWM (set_out register) fan speed conversion array:
122 * Start fan at low speed (2800 RPM):
125 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
126 G762_REG_SET_OUT, 1, &data, 1) != 0)
131 printf("Error: failed to start I2C fan @%02x\n",
132 CONFIG_SYS_I2C_G762_ADDR);
135 static void init_fan(void) {}
136 #endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_G762_ADDR */
138 #if defined(CONFIG_NET2BIG_V2) && defined(CONFIG_KIRKWOOD_GPIO)
142 * - address register : bit [0-2] -> GPIO [47-49]
143 * - data register : bit [0-2] -> GPIO [44-46]
144 * - enable register : GPIO 29
146 static unsigned cpld_gpio_bus_addr[] = { 47, 48, 49 };
147 static unsigned cpld_gpio_bus_data[] = { 44, 45, 46 };
149 static struct cpld_gpio_bus cpld_gpio_bus = {
150 .addr = cpld_gpio_bus_addr,
151 .num_addr = ARRAY_SIZE(cpld_gpio_bus_addr),
152 .data = cpld_gpio_bus_data,
153 .num_data = ARRAY_SIZE(cpld_gpio_bus_data),
158 * LEDs configuration:
160 * The LEDs are controlled by a CPLD and can be configured through
163 * Address register selection:
166 * ----------------------------
168 * 1 | front LED brightness
169 * 2 | SATA LED brightness
176 * Data register configuration:
178 * data | LED brightness
179 * -------------------------------------------------
184 * data | front LED mode
185 * -------------------------------------------------
189 * 3 | blink blue on=1 sec and blue off=1 sec
190 * 4 | blink red on=1 sec and red off=1 sec
191 * 5 | blink blue on=2.5 sec and red on=0.5 sec
192 * 6 | blink blue on=1 sec and red on=1 sec
193 * 7 | blink blue on=0.5 sec and blue off=2.5 sec
195 * data | SATA LED mode
196 * -------------------------------------------------
198 * 1 | SATA activity blink
200 * 3 | blink blue on=1 sec and blue off=1 sec
201 * 4 | blink red on=1 sec and red off=1 sec
202 * 5 | blink blue on=2.5 sec and red on=0.5 sec
203 * 6 | blink blue on=1 sec and red on=1 sec
206 static void init_leds(void)
208 /* Enable the front blue LED */
209 cpld_gpio_bus_write(&cpld_gpio_bus, 0, 1);
210 cpld_gpio_bus_write(&cpld_gpio_bus, 1, 3);
212 /* Configure SATA LEDs to blink in relation with the SATA activity */
213 cpld_gpio_bus_write(&cpld_gpio_bus, 3, 1);
214 cpld_gpio_bus_write(&cpld_gpio_bus, 4, 1);
215 cpld_gpio_bus_write(&cpld_gpio_bus, 2, 3);
218 static void init_leds(void) {}
219 #endif /* CONFIG_NET2BIG_V2 && CONFIG_KIRKWOOD_GPIO */
221 int misc_init_r(void)
224 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
225 if (!env_get("ethaddr")) {
227 if (lacie_read_mac_address(mac) == 0)
228 eth_env_set_enetaddr("ethaddr", mac);
235 #endif /* CONFIG_MISC_INIT_R */
237 #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
238 /* Configure and initialize PHY */
241 mv_phy_88e1116_init("egiga0", 8);
245 #if defined(CONFIG_KIRKWOOD_GPIO)
246 /* Return GPIO push button status */
248 do_read_push_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
250 return !kw_gpio_get_value(NET2BIG_V2_GPIO_PUSH_BUTTON);
253 U_BOOT_CMD(button, 1, 1, do_read_push_button,
254 "Return GPIO push button status 0=off 1=on", "");