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 <environment.h> 15 #include <i2c.h> 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> 21 22 #include "net2big_v2.h" 23 #include "../common/common.h" 24 #include "../common/cpld-gpio-bus.h" 25 26 DECLARE_GLOBAL_DATA_PTR; 27 28 int board_early_init_f(void) 29 { 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); 33 34 /* Multi-Purpose Pins Functionality configuration */ 35 static const u32 kwmpp_config[] = { 36 MPP0_SPI_SCn, 37 MPP1_SPI_MOSI, 38 MPP2_SPI_SCK, 39 MPP3_SPI_MISO, 40 MPP6_SYSRST_OUTn, 41 MPP7_GPO, /* Request power-off */ 42 MPP8_TW_SDA, 43 MPP9_TW_SCK, 44 MPP10_UART0_TXD, 45 MPP11_UART0_RXD, 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 */ 51 MPP20_SATA1_ACTn, 52 MPP21_SATA0_ACTn, 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) */ 68 0 69 }; 70 71 kirkwood_mpp_conf(kwmpp_config, NULL); 72 73 return 0; 74 } 75 76 int board_init(void) 77 { 78 /* Machine number */ 79 gd->bd->bi_arch_number = MACH_TYPE_NET2BIG_V2; 80 81 /* Boot parameters address */ 82 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100; 83 84 return 0; 85 } 86 87 #if defined(CONFIG_MISC_INIT_R) 88 89 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_G762_ADDR) 90 /* 91 * Start I2C fan (GMT G762 controller) 92 */ 93 static void init_fan(void) 94 { 95 u8 data; 96 97 i2c_set_bus_num(0); 98 99 /* Enable open-loop and PWM modes */ 100 data = 0x20; 101 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR, 102 G762_REG_FAN_CMD1, 1, &data, 1) != 0) 103 goto err; 104 data = 0; 105 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR, 106 G762_REG_SET_CNT, 1, &data, 1) != 0) 107 goto err; 108 /* 109 * RPM to PWM (set_out register) fan speed conversion array: 110 * 0 0x00 111 * 1500 0x04 112 * 2800 0x08 113 * 3400 0x0C 114 * 3700 0x10 115 * 4400 0x20 116 * 4700 0x30 117 * 4800 0x50 118 * 5200 0x80 119 * 5400 0xC0 120 * 5500 0xFF 121 * 122 * Start fan at low speed (2800 RPM): 123 */ 124 data = 0x08; 125 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR, 126 G762_REG_SET_OUT, 1, &data, 1) != 0) 127 goto err; 128 129 return; 130 err: 131 printf("Error: failed to start I2C fan @%02x\n", 132 CONFIG_SYS_I2C_G762_ADDR); 133 } 134 #else 135 static void init_fan(void) {} 136 #endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_G762_ADDR */ 137 138 #if defined(CONFIG_NET2BIG_V2) && defined(CONFIG_KIRKWOOD_GPIO) 139 /* 140 * CPLD GPIO bus: 141 * 142 * - address register : bit [0-2] -> GPIO [47-49] 143 * - data register : bit [0-2] -> GPIO [44-46] 144 * - enable register : GPIO 29 145 */ 146 static unsigned cpld_gpio_bus_addr[] = { 47, 48, 49 }; 147 static unsigned cpld_gpio_bus_data[] = { 44, 45, 46 }; 148 149 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), 154 .enable = 29, 155 }; 156 157 /* 158 * LEDs configuration: 159 * 160 * The LEDs are controlled by a CPLD and can be configured through 161 * the CPLD GPIO bus. 162 * 163 * Address register selection: 164 * 165 * addr | register 166 * ---------------------------- 167 * 0 | front LED 168 * 1 | front LED brightness 169 * 2 | SATA LED brightness 170 * 3 | SATA0 LED 171 * 4 | SATA1 LED 172 * 5 | SATA2 LED 173 * 6 | SATA3 LED 174 * 7 | SATA4 LED 175 * 176 * Data register configuration: 177 * 178 * data | LED brightness 179 * ------------------------------------------------- 180 * 0 | min (off) 181 * - | - 182 * 7 | max 183 * 184 * data | front LED mode 185 * ------------------------------------------------- 186 * 0 | fix off 187 * 1 | fix blue on 188 * 2 | fix red on 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 194 * 195 * data | SATA LED mode 196 * ------------------------------------------------- 197 * 0 | fix off 198 * 1 | SATA activity blink 199 * 2 | fix red on 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 204 * 7 | fix blue on 205 */ 206 static void init_leds(void) 207 { 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); 211 212 /* 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); 216 } 217 #else 218 static void init_leds(void) {} 219 #endif /* CONFIG_NET2BIG_V2 && CONFIG_KIRKWOOD_GPIO */ 220 221 int misc_init_r(void) 222 { 223 init_fan(); 224 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR) 225 if (!env_get("ethaddr")) { 226 uchar mac[6]; 227 if (lacie_read_mac_address(mac) == 0) 228 eth_env_set_enetaddr("ethaddr", mac); 229 } 230 #endif 231 init_leds(); 232 233 return 0; 234 } 235 #endif /* CONFIG_MISC_INIT_R */ 236 237 #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R) 238 /* Configure and initialize PHY */ 239 void reset_phy(void) 240 { 241 mv_phy_88e1116_init("egiga0", 8); 242 } 243 #endif 244 245 #if defined(CONFIG_KIRKWOOD_GPIO) 246 /* Return GPIO push button status */ 247 static int 248 do_read_push_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 249 { 250 return !kw_gpio_get_value(NET2BIG_V2_GPIO_PUSH_BUTTON); 251 } 252 253 U_BOOT_CMD(button, 1, 1, do_read_push_button, 254 "Return GPIO push button status 0=off 1=on", ""); 255 #endif 256