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/*
* Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
*
* Based on Kirkwood support:
* (C) Copyright 2009
* Marvell Semiconductor <www.marvell.com>
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <i2c.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
#include <asm/arch/mpp.h>
#include <asm/arch/gpio.h>
#include "net2big_v2.h"
#include "../common/common.h"
#include "../common/cpld-gpio-bus.h"
DECLARE_GLOBAL_DATA_PTR;
int board_early_init_f(void)
{
/* GPIO configuration */
mvebu_config_gpio(NET2BIG_V2_OE_VAL_LOW, NET2BIG_V2_OE_VAL_HIGH,
NET2BIG_V2_OE_LOW, NET2BIG_V2_OE_HIGH);
/* Multi-Purpose Pins Functionality configuration */
static const u32 kwmpp_config[] = {
MPP0_SPI_SCn,
MPP1_SPI_MOSI,
MPP2_SPI_SCK,
MPP3_SPI_MISO,
MPP6_SYSRST_OUTn,
MPP7_GPO, /* Request power-off */
MPP8_TW_SDA,
MPP9_TW_SCK,
MPP10_UART0_TXD,
MPP11_UART0_RXD,
MPP13_GPIO, /* Rear power switch (on|auto) */
MPP14_GPIO, /* USB fuse alarm */
MPP15_GPIO, /* Rear power switch (auto|off) */
MPP16_GPIO, /* SATA HDD1 power */
MPP17_GPIO, /* SATA HDD2 power */
MPP20_SATA1_ACTn,
MPP21_SATA0_ACTn,
MPP24_GPIO, /* USB mode select */
MPP26_GPIO, /* USB device vbus */
MPP28_GPIO, /* USB enable host vbus */
MPP29_GPIO, /* CPLD GPIO bus ALE */
MPP34_GPIO, /* Rear Push button 0=on 1=off */
MPP35_GPIO, /* Inhibit switch power-off */
MPP36_GPIO, /* SATA HDD1 presence */
MPP37_GPIO, /* SATA HDD2 presence */
MPP40_GPIO, /* eSATA presence */
MPP44_GPIO, /* CPLD GPIO bus (data 0) */
MPP45_GPIO, /* CPLD GPIO bus (data 1) */
MPP46_GPIO, /* CPLD GPIO bus (data 2) */
MPP47_GPIO, /* CPLD GPIO bus (addr 0) */
MPP48_GPIO, /* CPLD GPIO bus (addr 1) */
MPP49_GPIO, /* CPLD GPIO bus (addr 2) */
0
};
kirkwood_mpp_conf(kwmpp_config, NULL);
return 0;
}
int board_init(void)
{
/* Machine number */
gd->bd->bi_arch_number = MACH_TYPE_NET2BIG_V2;
/* Boot parameters address */
gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
return 0;
}
#if defined(CONFIG_MISC_INIT_R)
#if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_G762_ADDR)
/*
* Start I2C fan (GMT G762 controller)
*/
static void init_fan(void)
{
u8 data;
i2c_set_bus_num(0);
/* Enable open-loop and PWM modes */
data = 0x20;
if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
G762_REG_FAN_CMD1, 1, &data, 1) != 0)
goto err;
data = 0;
if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
G762_REG_SET_CNT, 1, &data, 1) != 0)
goto err;
/*
* RPM to PWM (set_out register) fan speed conversion array:
* 0 0x00
* 1500 0x04
* 2800 0x08
* 3400 0x0C
* 3700 0x10
* 4400 0x20
* 4700 0x30
* 4800 0x50
* 5200 0x80
* 5400 0xC0
* 5500 0xFF
*
* Start fan at low speed (2800 RPM):
*/
data = 0x08;
if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
G762_REG_SET_OUT, 1, &data, 1) != 0)
goto err;
return;
err:
printf("Error: failed to start I2C fan @%02x\n",
CONFIG_SYS_I2C_G762_ADDR);
}
#else
static void init_fan(void) {}
#endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_G762_ADDR */
#if defined(CONFIG_NET2BIG_V2) && defined(CONFIG_KIRKWOOD_GPIO)
/*
* CPLD GPIO bus:
*
* - address register : bit [0-2] -> GPIO [47-49]
* - data register : bit [0-2] -> GPIO [44-46]
* - enable register : GPIO 29
*/
static unsigned cpld_gpio_bus_addr[] = { 47, 48, 49 };
static unsigned cpld_gpio_bus_data[] = { 44, 45, 46 };
static struct cpld_gpio_bus cpld_gpio_bus = {
.addr = cpld_gpio_bus_addr,
.num_addr = ARRAY_SIZE(cpld_gpio_bus_addr),
.data = cpld_gpio_bus_data,
.num_data = ARRAY_SIZE(cpld_gpio_bus_data),
.enable = 29,
};
/*
* LEDs configuration:
*
* The LEDs are controlled by a CPLD and can be configured through
* the CPLD GPIO bus.
*
* Address register selection:
*
* addr | register
* ----------------------------
* 0 | front LED
* 1 | front LED brightness
* 2 | SATA LED brightness
* 3 | SATA0 LED
* 4 | SATA1 LED
* 5 | SATA2 LED
* 6 | SATA3 LED
* 7 | SATA4 LED
*
* Data register configuration:
*
* data | LED brightness
* -------------------------------------------------
* 0 | min (off)
* - | -
* 7 | max
*
* data | front LED mode
* -------------------------------------------------
* 0 | fix off
* 1 | fix blue on
* 2 | fix red on
* 3 | blink blue on=1 sec and blue off=1 sec
* 4 | blink red on=1 sec and red off=1 sec
* 5 | blink blue on=2.5 sec and red on=0.5 sec
* 6 | blink blue on=1 sec and red on=1 sec
* 7 | blink blue on=0.5 sec and blue off=2.5 sec
*
* data | SATA LED mode
* -------------------------------------------------
* 0 | fix off
* 1 | SATA activity blink
* 2 | fix red on
* 3 | blink blue on=1 sec and blue off=1 sec
* 4 | blink red on=1 sec and red off=1 sec
* 5 | blink blue on=2.5 sec and red on=0.5 sec
* 6 | blink blue on=1 sec and red on=1 sec
* 7 | fix blue on
*/
static void init_leds(void)
{
/* Enable the front blue LED */
cpld_gpio_bus_write(&cpld_gpio_bus, 0, 1);
cpld_gpio_bus_write(&cpld_gpio_bus, 1, 3);
/* Configure SATA LEDs to blink in relation with the SATA activity */
cpld_gpio_bus_write(&cpld_gpio_bus, 3, 1);
cpld_gpio_bus_write(&cpld_gpio_bus, 4, 1);
cpld_gpio_bus_write(&cpld_gpio_bus, 2, 3);
}
#else
static void init_leds(void) {}
#endif /* CONFIG_NET2BIG_V2 && CONFIG_KIRKWOOD_GPIO */
int misc_init_r(void)
{
init_fan();
#if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
if (!getenv("ethaddr")) {
uchar mac[6];
if (lacie_read_mac_address(mac) == 0)
eth_setenv_enetaddr("ethaddr", mac);
}
#endif
init_leds();
return 0;
}
#endif /* CONFIG_MISC_INIT_R */
#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
/* Configure and initialize PHY */
void reset_phy(void)
{
mv_phy_88e1116_init("egiga0", 8);
}
#endif
#if defined(CONFIG_KIRKWOOD_GPIO)
/* Return GPIO push button status */
static int
do_read_push_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
return !kw_gpio_get_value(NET2BIG_V2_GPIO_PUSH_BUTTON);
}
U_BOOT_CMD(button, 1, 1, do_read_push_button,
"Return GPIO push button status 0=off 1=on", "");
#endif
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