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/mach-types.h> 16 #include <asm/arch/cpu.h> 17 #include <asm/arch/soc.h> 18 #include <asm/arch/mpp.h> 19 #include <asm/arch/gpio.h> 20 21 #include "net2big_v2.h" 22 #include "../common/common.h" 23 #include "../common/cpld-gpio-bus.h" 24 25 DECLARE_GLOBAL_DATA_PTR; 26 27 int board_early_init_f(void) 28 { 29 /* GPIO configuration */ 30 mvebu_config_gpio(NET2BIG_V2_OE_VAL_LOW, NET2BIG_V2_OE_VAL_HIGH, 31 NET2BIG_V2_OE_LOW, NET2BIG_V2_OE_HIGH); 32 33 /* Multi-Purpose Pins Functionality configuration */ 34 static const u32 kwmpp_config[] = { 35 MPP0_SPI_SCn, 36 MPP1_SPI_MOSI, 37 MPP2_SPI_SCK, 38 MPP3_SPI_MISO, 39 MPP6_SYSRST_OUTn, 40 MPP7_GPO, /* Request power-off */ 41 MPP8_TW_SDA, 42 MPP9_TW_SCK, 43 MPP10_UART0_TXD, 44 MPP11_UART0_RXD, 45 MPP13_GPIO, /* Rear power switch (on|auto) */ 46 MPP14_GPIO, /* USB fuse alarm */ 47 MPP15_GPIO, /* Rear power switch (auto|off) */ 48 MPP16_GPIO, /* SATA HDD1 power */ 49 MPP17_GPIO, /* SATA HDD2 power */ 50 MPP20_SATA1_ACTn, 51 MPP21_SATA0_ACTn, 52 MPP24_GPIO, /* USB mode select */ 53 MPP26_GPIO, /* USB device vbus */ 54 MPP28_GPIO, /* USB enable host vbus */ 55 MPP29_GPIO, /* CPLD GPIO bus ALE */ 56 MPP34_GPIO, /* Rear Push button 0=on 1=off */ 57 MPP35_GPIO, /* Inhibit switch power-off */ 58 MPP36_GPIO, /* SATA HDD1 presence */ 59 MPP37_GPIO, /* SATA HDD2 presence */ 60 MPP40_GPIO, /* eSATA presence */ 61 MPP44_GPIO, /* CPLD GPIO bus (data 0) */ 62 MPP45_GPIO, /* CPLD GPIO bus (data 1) */ 63 MPP46_GPIO, /* CPLD GPIO bus (data 2) */ 64 MPP47_GPIO, /* CPLD GPIO bus (addr 0) */ 65 MPP48_GPIO, /* CPLD GPIO bus (addr 1) */ 66 MPP49_GPIO, /* CPLD GPIO bus (addr 2) */ 67 0 68 }; 69 70 kirkwood_mpp_conf(kwmpp_config, NULL); 71 72 return 0; 73 } 74 75 int board_init(void) 76 { 77 /* Machine number */ 78 gd->bd->bi_arch_number = MACH_TYPE_NET2BIG_V2; 79 80 /* Boot parameters address */ 81 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100; 82 83 return 0; 84 } 85 86 #if defined(CONFIG_MISC_INIT_R) 87 88 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_G762_ADDR) 89 /* 90 * Start I2C fan (GMT G762 controller) 91 */ 92 static void init_fan(void) 93 { 94 u8 data; 95 96 i2c_set_bus_num(0); 97 98 /* Enable open-loop and PWM modes */ 99 data = 0x20; 100 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR, 101 G762_REG_FAN_CMD1, 1, &data, 1) != 0) 102 goto err; 103 data = 0; 104 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR, 105 G762_REG_SET_CNT, 1, &data, 1) != 0) 106 goto err; 107 /* 108 * RPM to PWM (set_out register) fan speed conversion array: 109 * 0 0x00 110 * 1500 0x04 111 * 2800 0x08 112 * 3400 0x0C 113 * 3700 0x10 114 * 4400 0x20 115 * 4700 0x30 116 * 4800 0x50 117 * 5200 0x80 118 * 5400 0xC0 119 * 5500 0xFF 120 * 121 * Start fan at low speed (2800 RPM): 122 */ 123 data = 0x08; 124 if (i2c_write(CONFIG_SYS_I2C_G762_ADDR, 125 G762_REG_SET_OUT, 1, &data, 1) != 0) 126 goto err; 127 128 return; 129 err: 130 printf("Error: failed to start I2C fan @%02x\n", 131 CONFIG_SYS_I2C_G762_ADDR); 132 } 133 #else 134 static void init_fan(void) {} 135 #endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_G762_ADDR */ 136 137 #if defined(CONFIG_NET2BIG_V2) && defined(CONFIG_KIRKWOOD_GPIO) 138 /* 139 * CPLD GPIO bus: 140 * 141 * - address register : bit [0-2] -> GPIO [47-49] 142 * - data register : bit [0-2] -> GPIO [44-46] 143 * - enable register : GPIO 29 144 */ 145 static unsigned cpld_gpio_bus_addr[] = { 47, 48, 49 }; 146 static unsigned cpld_gpio_bus_data[] = { 44, 45, 46 }; 147 148 static struct cpld_gpio_bus cpld_gpio_bus = { 149 .addr = cpld_gpio_bus_addr, 150 .num_addr = ARRAY_SIZE(cpld_gpio_bus_addr), 151 .data = cpld_gpio_bus_data, 152 .num_data = ARRAY_SIZE(cpld_gpio_bus_data), 153 .enable = 29, 154 }; 155 156 /* 157 * LEDs configuration: 158 * 159 * The LEDs are controlled by a CPLD and can be configured through 160 * the CPLD GPIO bus. 161 * 162 * Address register selection: 163 * 164 * addr | register 165 * ---------------------------- 166 * 0 | front LED 167 * 1 | front LED brightness 168 * 2 | SATA LED brightness 169 * 3 | SATA0 LED 170 * 4 | SATA1 LED 171 * 5 | SATA2 LED 172 * 6 | SATA3 LED 173 * 7 | SATA4 LED 174 * 175 * Data register configuration: 176 * 177 * data | LED brightness 178 * ------------------------------------------------- 179 * 0 | min (off) 180 * - | - 181 * 7 | max 182 * 183 * data | front LED mode 184 * ------------------------------------------------- 185 * 0 | fix off 186 * 1 | fix blue on 187 * 2 | fix red on 188 * 3 | blink blue on=1 sec and blue off=1 sec 189 * 4 | blink red on=1 sec and red off=1 sec 190 * 5 | blink blue on=2.5 sec and red on=0.5 sec 191 * 6 | blink blue on=1 sec and red on=1 sec 192 * 7 | blink blue on=0.5 sec and blue off=2.5 sec 193 * 194 * data | SATA LED mode 195 * ------------------------------------------------- 196 * 0 | fix off 197 * 1 | SATA activity blink 198 * 2 | fix red on 199 * 3 | blink blue on=1 sec and blue off=1 sec 200 * 4 | blink red on=1 sec and red off=1 sec 201 * 5 | blink blue on=2.5 sec and red on=0.5 sec 202 * 6 | blink blue on=1 sec and red on=1 sec 203 * 7 | fix blue on 204 */ 205 static void init_leds(void) 206 { 207 /* Enable the front blue LED */ 208 cpld_gpio_bus_write(&cpld_gpio_bus, 0, 1); 209 cpld_gpio_bus_write(&cpld_gpio_bus, 1, 3); 210 211 /* Configure SATA LEDs to blink in relation with the SATA activity */ 212 cpld_gpio_bus_write(&cpld_gpio_bus, 3, 1); 213 cpld_gpio_bus_write(&cpld_gpio_bus, 4, 1); 214 cpld_gpio_bus_write(&cpld_gpio_bus, 2, 3); 215 } 216 #else 217 static void init_leds(void) {} 218 #endif /* CONFIG_NET2BIG_V2 && CONFIG_KIRKWOOD_GPIO */ 219 220 int misc_init_r(void) 221 { 222 init_fan(); 223 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR) 224 if (!env_get("ethaddr")) { 225 uchar mac[6]; 226 if (lacie_read_mac_address(mac) == 0) 227 eth_env_set_enetaddr("ethaddr", mac); 228 } 229 #endif 230 init_leds(); 231 232 return 0; 233 } 234 #endif /* CONFIG_MISC_INIT_R */ 235 236 #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R) 237 /* Configure and initialize PHY */ 238 void reset_phy(void) 239 { 240 mv_phy_88e1116_init("egiga0", 8); 241 } 242 #endif 243 244 #if defined(CONFIG_KIRKWOOD_GPIO) 245 /* Return GPIO push button status */ 246 static int 247 do_read_push_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 248 { 249 return !kw_gpio_get_value(NET2BIG_V2_GPIO_PUSH_BUTTON); 250 } 251 252 U_BOOT_CMD(button, 1, 1, do_read_push_button, 253 "Return GPIO push button status 0=off 1=on", ""); 254 #endif 255