board/LaCie/net2big_v2/net2big_v2.c

   1 /*
   2  * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
   3  *
   4  * Based on Kirkwood support:
   5  * (C) Copyright 2009
   6  * Marvell Semiconductor <www.marvell.com>
   7  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
   8  *
   9  * SPDX-License-Identifier:     GPL-2.0+
  10  */
  11
  12 #include <common.h>
  13 #include <command.h>
  14 #include <i2c.h>
  15 #include <asm/arch/cpu.h>
  16 #include <asm/arch/kirkwood.h>
  17 #include <asm/arch/mpp.h>
  18 #include <asm/arch/gpio.h>
  19
  20 #include "net2big_v2.h"
  21 #include "../common/common.h"
  22 #include "../common/cpld-gpio-bus.h"
  23
  24 DECLARE_GLOBAL_DATA_PTR;
  25
  26 int board_early_init_f(void)
  27 {
  28         /* GPIO configuration */
  29         kw_config_gpio(NET2BIG_V2_OE_VAL_LOW, NET2BIG_V2_OE_VAL_HIGH,
  30                         NET2BIG_V2_OE_LOW, NET2BIG_V2_OE_HIGH);
  31
  32         /* Multi-Purpose Pins Functionality configuration */
  33         static const u32 kwmpp_config[] = {
  34                 MPP0_SPI_SCn,
  35                 MPP1_SPI_MOSI,
  36                 MPP2_SPI_SCK,
  37                 MPP3_SPI_MISO,
  38                 MPP6_SYSRST_OUTn,
  39                 MPP7_GPO,               /* Request power-off */
  40                 MPP8_TW_SDA,
  41                 MPP9_TW_SCK,
  42                 MPP10_UART0_TXD,
  43                 MPP11_UART0_RXD,
  44                 MPP13_GPIO,             /* Rear power switch (on|auto) */
  45                 MPP14_GPIO,             /* USB fuse alarm */
  46                 MPP15_GPIO,             /* Rear power switch (auto|off) */
  47                 MPP16_GPIO,             /* SATA HDD1 power */
  48                 MPP17_GPIO,             /* SATA HDD2 power */
  49                 MPP20_SATA1_ACTn,
  50                 MPP21_SATA0_ACTn,
  51                 MPP24_GPIO,             /* USB mode select */
  52                 MPP26_GPIO,             /* USB device vbus */
  53                 MPP28_GPIO,             /* USB enable host vbus */
  54                 MPP29_GPIO,             /* CPLD GPIO bus ALE */
  55                 MPP34_GPIO,             /* Rear Push button 0=on 1=off */
  56                 MPP35_GPIO,             /* Inhibit switch power-off */
  57                 MPP36_GPIO,             /* SATA HDD1 presence */
  58                 MPP37_GPIO,             /* SATA HDD2 presence */
  59                 MPP40_GPIO,             /* eSATA presence */
  60                 MPP44_GPIO,             /* CPLD GPIO bus (data 0) */
  61                 MPP45_GPIO,             /* CPLD GPIO bus (data 1) */
  62                 MPP46_GPIO,             /* CPLD GPIO bus (data 2) */
  63                 MPP47_GPIO,             /* CPLD GPIO bus (addr 0) */
  64                 MPP48_GPIO,             /* CPLD GPIO bus (addr 1) */
  65                 MPP49_GPIO,             /* CPLD GPIO bus (addr 2) */
  66                 0
  67         };
  68
  69         kirkwood_mpp_conf(kwmpp_config, NULL);
  70
  71         return 0;
  72 }
  73
  74 int board_init(void)
  75 {
  76         /* Machine number */
  77         gd->bd->bi_arch_number = MACH_TYPE_NET2BIG_V2;
  78
  79         /* Boot parameters address */
  80         gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
  81
  82         return 0;
  83 }
  84
  85 #if defined(CONFIG_MISC_INIT_R)
  86
  87 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_G762_ADDR)
  88 /*
  89  * Start I2C fan (GMT G762 controller)
  90  */
  91 static void init_fan(void)
  92 {
  93         u8 data;
  94
  95         i2c_set_bus_num(0);
  96
  97         /* Enable open-loop and PWM modes */
  98         data = 0x20;
  99         if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
 100                       G762_REG_FAN_CMD1, 1, &data, 1) != 0)
 101                 goto err;
 102         data = 0;
 103         if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
 104                       G762_REG_SET_CNT, 1, &data, 1) != 0)
 105                 goto err;
 106         /*
 107          * RPM to PWM (set_out register) fan speed conversion array:
 108          * 0    0x00
 109          * 1500 0x04
 110          * 2800 0x08
 111          * 3400 0x0C
 112          * 3700 0x10
 113          * 4400 0x20
 114          * 4700 0x30
 115          * 4800 0x50
 116          * 5200 0x80
 117          * 5400 0xC0
 118          * 5500 0xFF
 119          *
 120          * Start fan at low speed (2800 RPM):
 121          */
 122         data = 0x08;
 123         if (i2c_write(CONFIG_SYS_I2C_G762_ADDR,
 124                       G762_REG_SET_OUT, 1, &data, 1) != 0)
 125                 goto err;
 126
 127         return;
 128 err:
 129         printf("Error: failed to start I2C fan @%02x\n",
 130                CONFIG_SYS_I2C_G762_ADDR);
 131 }
 132 #else
 133 static void init_fan(void) {}
 134 #endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_G762_ADDR */
 135
 136 #if defined(CONFIG_NET2BIG_V2) && defined(CONFIG_KIRKWOOD_GPIO)
 137 /*
 138  * CPLD GPIO bus:
 139  *
 140  * - address register : bit [0-2] -> GPIO [47-49]
 141  * - data register    : bit [0-2] -> GPIO [44-46]
 142  * - enable register  : GPIO 29
 143  */
 144 static unsigned cpld_gpio_bus_addr[] = { 47, 48, 49 };
 145 static unsigned cpld_gpio_bus_data[] = { 44, 45, 46 };
 146
 147 static struct cpld_gpio_bus cpld_gpio_bus = {
 148         .addr           = cpld_gpio_bus_addr,
 149         .num_addr       = ARRAY_SIZE(cpld_gpio_bus_addr),
 150         .data           = cpld_gpio_bus_data,
 151         .num_data       = ARRAY_SIZE(cpld_gpio_bus_data),
 152         .enable         = 29,
 153 };
 154
 155 /*
 156  * LEDs configuration:
 157  *
 158  * The LEDs are controlled by a CPLD and can be configured through
 159  * the CPLD GPIO bus.
 160  *
 161  * Address register selection:
 162  *
 163  * addr | register
 164  * ----------------------------
 165  *   0  | front LED
 166  *   1  | front LED brightness
 167  *   2  | SATA LED brightness
 168  *   3  | SATA0 LED
 169  *   4  | SATA1 LED
 170  *   5  | SATA2 LED
 171  *   6  | SATA3 LED
 172  *   7  | SATA4 LED
 173  *
 174  * Data register configuration:
 175  *
 176  * data | LED brightness
 177  * -------------------------------------------------
 178  *   0  | min (off)
 179  *   -  | -
 180  *   7  | max
 181  *
 182  * data | front LED mode
 183  * -------------------------------------------------
 184  *   0  | fix off
 185  *   1  | fix blue on
 186  *   2  | fix red on
 187  *   3  | blink blue on=1 sec and blue off=1 sec
 188  *   4  | blink red on=1 sec and red off=1 sec
 189  *   5  | blink blue on=2.5 sec and red on=0.5 sec
 190  *   6  | blink blue on=1 sec and red on=1 sec
 191  *   7  | blink blue on=0.5 sec and blue off=2.5 sec
 192  *
 193  * data | SATA LED mode
 194  * -------------------------------------------------
 195  *   0  | fix off
 196  *   1  | SATA activity blink
 197  *   2  | fix red on
 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  | fix blue on
 203  */
 204 static void init_leds(void)
 205 {
 206         /* Enable the front blue LED */
 207         cpld_gpio_bus_write(&cpld_gpio_bus, 0, 1);
 208         cpld_gpio_bus_write(&cpld_gpio_bus, 1, 3);
 209
 210         /* Configure SATA LEDs to blink in relation with the SATA activity */
 211         cpld_gpio_bus_write(&cpld_gpio_bus, 3, 1);
 212         cpld_gpio_bus_write(&cpld_gpio_bus, 4, 1);
 213         cpld_gpio_bus_write(&cpld_gpio_bus, 2, 3);
 214 }
 215 #else
 216 static void init_leds(void) {}
 217 #endif /* CONFIG_NET2BIG_V2 && CONFIG_KIRKWOOD_GPIO */
 218
 219 int misc_init_r(void)
 220 {
 221         init_fan();
 222 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
 223         if (!getenv("ethaddr")) {
 224                 uchar mac[6];
 225                 if (lacie_read_mac_address(mac) == 0)
 226                         eth_setenv_enetaddr("ethaddr", mac);
 227         }
 228 #endif
 229         init_leds();
 230
 231         return 0;
 232 }
 233 #endif /* CONFIG_MISC_INIT_R */
 234
 235 #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
 236 /* Configure and initialize PHY */
 237 void reset_phy(void)
 238 {
 239         mv_phy_88e1116_init("egiga0", 8);
 240 }
 241 #endif
 242
 243 #if defined(CONFIG_KIRKWOOD_GPIO)
 244 /* Return GPIO push button status */
 245 static int
 246 do_read_push_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 247 {
 248         return !kw_gpio_get_value(NET2BIG_V2_GPIO_PUSH_BUTTON);
 249 }
 250
 251 U_BOOT_CMD(button, 1, 1, do_read_push_button,
 252            "Return GPIO push button status 0=off 1=on", "");
 253 #endif