1 /* 2 * board.c 3 * 4 * Board functions for TCL SL50 board 5 * 6 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #include <common.h> 12 #include <errno.h> 13 #include <spl.h> 14 #include <asm/arch/cpu.h> 15 #include <asm/arch/hardware.h> 16 #include <asm/arch/omap.h> 17 #include <asm/arch/ddr_defs.h> 18 #include <asm/arch/clock.h> 19 #include <asm/arch/gpio.h> 20 #include <asm/arch/mmc_host_def.h> 21 #include <asm/arch/sys_proto.h> 22 #include <asm/arch/mem.h> 23 #include <asm/io.h> 24 #include <asm/emif.h> 25 #include <asm/gpio.h> 26 #include <i2c.h> 27 #include <miiphy.h> 28 #include <cpsw.h> 29 #include <power/tps65217.h> 30 #include <power/tps65910.h> 31 #include <environment.h> 32 #include <watchdog.h> 33 #include <environment.h> 34 #include "board.h" 35 36 DECLARE_GLOBAL_DATA_PTR; 37 38 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; 39 40 #ifndef CONFIG_SKIP_LOWLEVEL_INIT 41 42 static const struct ddr_data ddr3_sl50_data = { 43 .datardsratio0 = MT41K256M16HA125E_RD_DQS, 44 .datawdsratio0 = MT41K256M16HA125E_WR_DQS, 45 .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE, 46 .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA, 47 }; 48 49 static const struct cmd_control ddr3_sl50_cmd_ctrl_data = { 50 .cmd0csratio = MT41K256M16HA125E_RATIO, 51 .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT, 52 53 .cmd1csratio = MT41K256M16HA125E_RATIO, 54 .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT, 55 56 .cmd2csratio = MT41K256M16HA125E_RATIO, 57 .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT, 58 }; 59 60 static struct emif_regs ddr3_sl50_emif_reg_data = { 61 .sdram_config = MT41K256M16HA125E_EMIF_SDCFG, 62 .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF, 63 .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1, 64 .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2, 65 .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3, 66 .zq_config = MT41K256M16HA125E_ZQ_CFG, 67 .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY, 68 }; 69 70 #ifdef CONFIG_SPL_OS_BOOT 71 int spl_start_uboot(void) 72 { 73 /* break into full u-boot on 'c' */ 74 if (serial_tstc() && serial_getc() == 'c') 75 return 1; 76 77 #ifdef CONFIG_SPL_ENV_SUPPORT 78 env_init(); 79 env_load(); 80 if (env_get_yesno("boot_os") != 1) 81 return 1; 82 #endif 83 84 return 0; 85 } 86 #endif 87 88 #define OSC (V_OSCK/1000000) 89 const struct dpll_params dpll_ddr_sl50 = { 90 400, OSC-1, 1, -1, -1, -1, -1}; 91 92 void am33xx_spl_board_init(void) 93 { 94 int mpu_vdd; 95 96 /* Get the frequency */ 97 dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev); 98 99 /* BeagleBone PMIC Code */ 100 int usb_cur_lim; 101 102 if (i2c_probe(TPS65217_CHIP_PM)) 103 return; 104 105 /* 106 * Increase USB current limit to 1300mA or 1800mA and set 107 * the MPU voltage controller as needed. 108 */ 109 if (dpll_mpu_opp100.m == MPUPLL_M_1000) { 110 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA; 111 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV; 112 } else { 113 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA; 114 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV; 115 } 116 117 if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, 118 TPS65217_POWER_PATH, 119 usb_cur_lim, 120 TPS65217_USB_INPUT_CUR_LIMIT_MASK)) 121 puts("tps65217_reg_write failure\n"); 122 123 /* Set DCDC3 (CORE) voltage to 1.125V */ 124 if (tps65217_voltage_update(TPS65217_DEFDCDC3, 125 TPS65217_DCDC_VOLT_SEL_1125MV)) { 126 puts("tps65217_voltage_update failure\n"); 127 return; 128 } 129 130 /* Set CORE Frequencies to OPP100 */ 131 do_setup_dpll(&dpll_core_regs, &dpll_core_opp100); 132 133 /* Set DCDC2 (MPU) voltage */ 134 if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) { 135 puts("tps65217_voltage_update failure\n"); 136 return; 137 } 138 139 /* 140 * Set LDO3 to 1.8V and LDO4 to 3.3V 141 */ 142 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, 143 TPS65217_DEFLS1, 144 TPS65217_LDO_VOLTAGE_OUT_1_8, 145 TPS65217_LDO_MASK)) 146 puts("tps65217_reg_write failure\n"); 147 148 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, 149 TPS65217_DEFLS2, 150 TPS65217_LDO_VOLTAGE_OUT_3_3, 151 TPS65217_LDO_MASK)) 152 puts("tps65217_reg_write failure\n"); 153 154 /* Set MPU Frequency to what we detected now that voltages are set */ 155 do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100); 156 } 157 158 const struct dpll_params *get_dpll_ddr_params(void) 159 { 160 enable_i2c0_pin_mux(); 161 i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); 162 163 return &dpll_ddr_sl50; 164 } 165 166 void set_uart_mux_conf(void) 167 { 168 #if CONFIG_CONS_INDEX == 1 169 enable_uart0_pin_mux(); 170 #elif CONFIG_CONS_INDEX == 2 171 enable_uart1_pin_mux(); 172 #elif CONFIG_CONS_INDEX == 3 173 enable_uart2_pin_mux(); 174 #elif CONFIG_CONS_INDEX == 4 175 enable_uart3_pin_mux(); 176 #elif CONFIG_CONS_INDEX == 5 177 enable_uart4_pin_mux(); 178 #elif CONFIG_CONS_INDEX == 6 179 enable_uart5_pin_mux(); 180 #endif 181 } 182 183 void set_mux_conf_regs(void) 184 { 185 enable_board_pin_mux(); 186 } 187 188 const struct ctrl_ioregs ioregs_evmsk = { 189 .cm0ioctl = MT41J128MJT125_IOCTRL_VALUE, 190 .cm1ioctl = MT41J128MJT125_IOCTRL_VALUE, 191 .cm2ioctl = MT41J128MJT125_IOCTRL_VALUE, 192 .dt0ioctl = MT41J128MJT125_IOCTRL_VALUE, 193 .dt1ioctl = MT41J128MJT125_IOCTRL_VALUE, 194 }; 195 196 const struct ctrl_ioregs ioregs_bonelt = { 197 .cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, 198 .cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, 199 .cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE, 200 .dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, 201 .dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, 202 }; 203 204 const struct ctrl_ioregs ioregs_evm15 = { 205 .cm0ioctl = MT41J512M8RH125_IOCTRL_VALUE, 206 .cm1ioctl = MT41J512M8RH125_IOCTRL_VALUE, 207 .cm2ioctl = MT41J512M8RH125_IOCTRL_VALUE, 208 .dt0ioctl = MT41J512M8RH125_IOCTRL_VALUE, 209 .dt1ioctl = MT41J512M8RH125_IOCTRL_VALUE, 210 }; 211 212 const struct ctrl_ioregs ioregs = { 213 .cm0ioctl = MT47H128M16RT25E_IOCTRL_VALUE, 214 .cm1ioctl = MT47H128M16RT25E_IOCTRL_VALUE, 215 .cm2ioctl = MT47H128M16RT25E_IOCTRL_VALUE, 216 .dt0ioctl = MT47H128M16RT25E_IOCTRL_VALUE, 217 .dt1ioctl = MT47H128M16RT25E_IOCTRL_VALUE, 218 }; 219 220 void sdram_init(void) 221 { 222 config_ddr(400, &ioregs_bonelt, 223 &ddr3_sl50_data, 224 &ddr3_sl50_cmd_ctrl_data, 225 &ddr3_sl50_emif_reg_data, 0); 226 } 227 #endif 228 229 /* 230 * Basic board specific setup. Pinmux has been handled already. 231 */ 232 int board_init(void) 233 { 234 #if defined(CONFIG_HW_WATCHDOG) 235 hw_watchdog_init(); 236 #endif 237 238 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 239 return 0; 240 } 241 242 #ifdef CONFIG_BOARD_LATE_INIT 243 int board_late_init(void) 244 { 245 return 0; 246 } 247 #endif 248 249 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \ 250 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD)) 251 static void cpsw_control(int enabled) 252 { 253 /* VTP can be added here */ 254 255 return; 256 } 257 258 static struct cpsw_slave_data cpsw_slaves[] = { 259 { 260 .slave_reg_ofs = 0x208, 261 .sliver_reg_ofs = 0xd80, 262 .phy_addr = 0, 263 }, 264 { 265 .slave_reg_ofs = 0x308, 266 .sliver_reg_ofs = 0xdc0, 267 .phy_addr = 1, 268 }, 269 }; 270 271 static struct cpsw_platform_data cpsw_data = { 272 .mdio_base = CPSW_MDIO_BASE, 273 .cpsw_base = CPSW_BASE, 274 .mdio_div = 0xff, 275 .channels = 8, 276 .cpdma_reg_ofs = 0x800, 277 .slaves = 1, 278 .slave_data = cpsw_slaves, 279 .ale_reg_ofs = 0xd00, 280 .ale_entries = 1024, 281 .host_port_reg_ofs = 0x108, 282 .hw_stats_reg_ofs = 0x900, 283 .bd_ram_ofs = 0x2000, 284 .mac_control = (1 << 5), 285 .control = cpsw_control, 286 .host_port_num = 0, 287 .version = CPSW_CTRL_VERSION_2, 288 }; 289 #endif 290 291 /* 292 * This function will: 293 * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr 294 * in the environment 295 * Perform fixups to the PHY present on certain boards. We only need this 296 * function in: 297 * - SPL with either CPSW or USB ethernet support 298 * - Full U-Boot, with either CPSW or USB ethernet 299 * Build in only these cases to avoid warnings about unused variables 300 * when we build an SPL that has neither option but full U-Boot will. 301 */ 302 #if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) \ 303 && defined(CONFIG_SPL_BUILD)) || \ 304 ((defined(CONFIG_DRIVER_TI_CPSW) || \ 305 defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \ 306 !defined(CONFIG_SPL_BUILD)) 307 int board_eth_init(bd_t *bis) 308 { 309 int rv, n = 0; 310 uint8_t mac_addr[6]; 311 uint32_t mac_hi, mac_lo; 312 313 /* try reading mac address from efuse */ 314 mac_lo = readl(&cdev->macid0l); 315 mac_hi = readl(&cdev->macid0h); 316 mac_addr[0] = mac_hi & 0xFF; 317 mac_addr[1] = (mac_hi & 0xFF00) >> 8; 318 mac_addr[2] = (mac_hi & 0xFF0000) >> 16; 319 mac_addr[3] = (mac_hi & 0xFF000000) >> 24; 320 mac_addr[4] = mac_lo & 0xFF; 321 mac_addr[5] = (mac_lo & 0xFF00) >> 8; 322 323 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \ 324 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD)) 325 if (!env_get("ethaddr")) { 326 printf("<ethaddr> not set. Validating first E-fuse MAC\n"); 327 328 if (is_valid_ethaddr(mac_addr)) 329 eth_env_set_enetaddr("ethaddr", mac_addr); 330 } 331 332 #ifdef CONFIG_DRIVER_TI_CPSW 333 334 mac_lo = readl(&cdev->macid1l); 335 mac_hi = readl(&cdev->macid1h); 336 mac_addr[0] = mac_hi & 0xFF; 337 mac_addr[1] = (mac_hi & 0xFF00) >> 8; 338 mac_addr[2] = (mac_hi & 0xFF0000) >> 16; 339 mac_addr[3] = (mac_hi & 0xFF000000) >> 24; 340 mac_addr[4] = mac_lo & 0xFF; 341 mac_addr[5] = (mac_lo & 0xFF00) >> 8; 342 343 if (!env_get("eth1addr")) { 344 if (is_valid_ethaddr(mac_addr)) 345 eth_env_set_enetaddr("eth1addr", mac_addr); 346 } 347 348 349 writel(MII_MODE_ENABLE, &cdev->miisel); 350 cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if = 351 PHY_INTERFACE_MODE_MII; 352 353 rv = cpsw_register(&cpsw_data); 354 if (rv < 0) 355 printf("Error %d registering CPSW switch\n", rv); 356 else 357 n += rv; 358 #endif 359 360 /* 361 * 362 * CPSW RGMII Internal Delay Mode is not supported in all PVT 363 * operating points. So we must set the TX clock delay feature 364 * in the AR8051 PHY. Since we only support a single ethernet 365 * device in U-Boot, we only do this for the first instance. 366 */ 367 #define AR8051_PHY_DEBUG_ADDR_REG 0x1d 368 #define AR8051_PHY_DEBUG_DATA_REG 0x1e 369 #define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5 370 #define AR8051_RGMII_TX_CLK_DLY 0x100 371 372 #endif 373 #if defined(CONFIG_USB_ETHER) && \ 374 (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT)) 375 if (is_valid_ether_addr(mac_addr)) 376 eth_env_set_enetaddr("usbnet_devaddr", mac_addr); 377 378 rv = usb_eth_initialize(bis); 379 if (rv < 0) 380 printf("Error %d registering USB_ETHER\n", rv); 381 else 382 n += rv; 383 #endif 384 return n; 385 } 386 #endif 387