mirror of
https://github.com/AsahiLinux/u-boot
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1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
253 lines
6.1 KiB
C
253 lines
6.1 KiB
C
/*
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* Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
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*
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* Based on Kirkwood support:
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* (C) Copyright 2009
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* Marvell Semiconductor <www.marvell.com>
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* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <command.h>
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#include <i2c.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/kirkwood.h>
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#include <asm/arch/mpp.h>
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#include <asm/arch/gpio.h>
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#include "net2big_v2.h"
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#include "../common/common.h"
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#include "../common/cpld-gpio-bus.h"
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DECLARE_GLOBAL_DATA_PTR;
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int board_early_init_f(void)
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{
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/* GPIO configuration */
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kw_config_gpio(NET2BIG_V2_OE_VAL_LOW, NET2BIG_V2_OE_VAL_HIGH,
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NET2BIG_V2_OE_LOW, NET2BIG_V2_OE_HIGH);
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/* Multi-Purpose Pins Functionality configuration */
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static const u32 kwmpp_config[] = {
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MPP0_SPI_SCn,
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MPP1_SPI_MOSI,
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MPP2_SPI_SCK,
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MPP3_SPI_MISO,
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MPP6_SYSRST_OUTn,
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MPP7_GPO, /* Request power-off */
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MPP8_TW_SDA,
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MPP9_TW_SCK,
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MPP10_UART0_TXD,
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MPP11_UART0_RXD,
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MPP13_GPIO, /* Rear power switch (on|auto) */
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MPP14_GPIO, /* USB fuse alarm */
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MPP15_GPIO, /* Rear power switch (auto|off) */
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MPP16_GPIO, /* SATA HDD1 power */
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MPP17_GPIO, /* SATA HDD2 power */
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MPP20_SATA1_ACTn,
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MPP21_SATA0_ACTn,
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MPP24_GPIO, /* USB mode select */
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MPP26_GPIO, /* USB device vbus */
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MPP28_GPIO, /* USB enable host vbus */
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MPP29_GPIO, /* CPLD GPIO bus ALE */
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MPP34_GPIO, /* Rear Push button 0=on 1=off */
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MPP35_GPIO, /* Inhibit switch power-off */
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MPP36_GPIO, /* SATA HDD1 presence */
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MPP37_GPIO, /* SATA HDD2 presence */
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MPP40_GPIO, /* eSATA presence */
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MPP44_GPIO, /* CPLD GPIO bus (data 0) */
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MPP45_GPIO, /* CPLD GPIO bus (data 1) */
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MPP46_GPIO, /* CPLD GPIO bus (data 2) */
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MPP47_GPIO, /* CPLD GPIO bus (addr 0) */
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MPP48_GPIO, /* CPLD GPIO bus (addr 1) */
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MPP49_GPIO, /* CPLD GPIO bus (addr 2) */
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0
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};
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kirkwood_mpp_conf(kwmpp_config, NULL);
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return 0;
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}
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int board_init(void)
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{
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/* Machine number */
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gd->bd->bi_arch_number = MACH_TYPE_NET2BIG_V2;
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/* Boot parameters address */
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gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
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return 0;
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}
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#if defined(CONFIG_MISC_INIT_R)
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#if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_G762_ADDR)
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/*
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* Start I2C fan (GMT G762 controller)
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*/
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static void init_fan(void)
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{
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u8 data;
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i2c_set_bus_num(0);
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/* Enable open-loop and PWM modes */
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data = 0x20;
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if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
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G762_REG_FAN_CMD1, 1, &data, 1) != 0)
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goto err;
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data = 0;
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if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
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G762_REG_SET_CNT, 1, &data, 1) != 0)
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goto err;
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/*
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* RPM to PWM (set_out register) fan speed conversion array:
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* 0 0x00
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* 1500 0x04
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* 2800 0x08
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* 3400 0x0C
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* 3700 0x10
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* 4400 0x20
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* 4700 0x30
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* 4800 0x50
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* 5200 0x80
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* 5400 0xC0
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* 5500 0xFF
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*
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* Start fan at low speed (2800 RPM):
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*/
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data = 0x08;
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if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
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G762_REG_SET_OUT, 1, &data, 1) != 0)
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goto err;
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return;
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err:
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printf("Error: failed to start I2C fan @%02x\n",
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CONFIG_SYS_I2C_G762_ADDR);
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}
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#else
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static void init_fan(void) {}
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#endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_G762_ADDR */
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#if defined(CONFIG_NET2BIG_V2) && defined(CONFIG_KIRKWOOD_GPIO)
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/*
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* CPLD GPIO bus:
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*
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* - address register : bit [0-2] -> GPIO [47-49]
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* - data register : bit [0-2] -> GPIO [44-46]
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* - enable register : GPIO 29
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*/
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static unsigned cpld_gpio_bus_addr[] = { 47, 48, 49 };
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static unsigned cpld_gpio_bus_data[] = { 44, 45, 46 };
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static struct cpld_gpio_bus cpld_gpio_bus = {
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.addr = cpld_gpio_bus_addr,
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.num_addr = ARRAY_SIZE(cpld_gpio_bus_addr),
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.data = cpld_gpio_bus_data,
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.num_data = ARRAY_SIZE(cpld_gpio_bus_data),
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.enable = 29,
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};
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/*
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* LEDs configuration:
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*
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* The LEDs are controlled by a CPLD and can be configured through
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* the CPLD GPIO bus.
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*
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* Address register selection:
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*
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* addr | register
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* ----------------------------
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* 0 | front LED
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* 1 | front LED brightness
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* 2 | SATA LED brightness
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* 3 | SATA0 LED
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* 4 | SATA1 LED
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* 5 | SATA2 LED
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* 6 | SATA3 LED
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* 7 | SATA4 LED
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*
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* Data register configuration:
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*
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* data | LED brightness
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* -------------------------------------------------
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* 0 | min (off)
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* - | -
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* 7 | max
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*
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* data | front LED mode
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* -------------------------------------------------
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* 0 | fix off
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* 1 | fix blue on
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* 2 | fix red on
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* 3 | blink blue on=1 sec and blue off=1 sec
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* 4 | blink red on=1 sec and red off=1 sec
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* 5 | blink blue on=2.5 sec and red on=0.5 sec
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* 6 | blink blue on=1 sec and red on=1 sec
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* 7 | blink blue on=0.5 sec and blue off=2.5 sec
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*
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* data | SATA LED mode
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* -------------------------------------------------
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* 0 | fix off
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* 1 | SATA activity blink
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* 2 | fix red on
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* 3 | blink blue on=1 sec and blue off=1 sec
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* 4 | blink red on=1 sec and red off=1 sec
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* 5 | blink blue on=2.5 sec and red on=0.5 sec
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* 6 | blink blue on=1 sec and red on=1 sec
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* 7 | fix blue on
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*/
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static void init_leds(void)
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{
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/* Enable the front blue LED */
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cpld_gpio_bus_write(&cpld_gpio_bus, 0, 1);
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cpld_gpio_bus_write(&cpld_gpio_bus, 1, 3);
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/* Configure SATA LEDs to blink in relation with the SATA activity */
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cpld_gpio_bus_write(&cpld_gpio_bus, 3, 1);
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cpld_gpio_bus_write(&cpld_gpio_bus, 4, 1);
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cpld_gpio_bus_write(&cpld_gpio_bus, 2, 3);
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}
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#else
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static void init_leds(void) {}
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#endif /* CONFIG_NET2BIG_V2 && CONFIG_KIRKWOOD_GPIO */
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int misc_init_r(void)
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{
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init_fan();
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#if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
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if (!getenv("ethaddr")) {
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uchar mac[6];
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if (lacie_read_mac_address(mac) == 0)
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eth_setenv_enetaddr("ethaddr", mac);
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}
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#endif
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init_leds();
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return 0;
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}
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#endif /* CONFIG_MISC_INIT_R */
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#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
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/* Configure and initialize PHY */
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void reset_phy(void)
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{
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mv_phy_88e1116_init("egiga0", 8);
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}
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#endif
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#if defined(CONFIG_KIRKWOOD_GPIO)
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/* Return GPIO push button status */
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static int
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do_read_push_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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return !kw_gpio_get_value(NET2BIG_V2_GPIO_PUSH_BUTTON);
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}
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U_BOOT_CMD(button, 1, 1, do_read_push_button,
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"Return GPIO push button status 0=off 1=on", "");
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#endif
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