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 254