1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * board.c 4 * 5 * Board functions for TI AM335X based boards 6 * 7 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ 8 */ 9 10 #include <common.h> 11 #include <dm.h> 12 #include <errno.h> 13 #include <spl.h> 14 #include <serial.h> 15 #include <asm/arch/cpu.h> 16 #include <asm/arch/hardware.h> 17 #include <asm/arch/omap.h> 18 #include <asm/arch/ddr_defs.h> 19 #include <asm/arch/clock.h> 20 #include <asm/arch/clk_synthesizer.h> 21 #include <asm/arch/gpio.h> 22 #include <asm/arch/mmc_host_def.h> 23 #include <asm/arch/sys_proto.h> 24 #include <asm/arch/mem.h> 25 #include <asm/io.h> 26 #include <asm/emif.h> 27 #include <asm/gpio.h> 28 #include <asm/omap_common.h> 29 #include <asm/omap_sec_common.h> 30 #include <asm/omap_mmc.h> 31 #include <i2c.h> 32 #include <miiphy.h> 33 #include <cpsw.h> 34 #include <power/tps65217.h> 35 #include <power/tps65910.h> 36 #include <environment.h> 37 #include <watchdog.h> 38 #include <environment.h> 39 #include "../common/board_detect.h" 40 #include "board.h" 41 42 DECLARE_GLOBAL_DATA_PTR; 43 44 /* GPIO that controls power to DDR on EVM-SK */ 45 #define GPIO_TO_PIN(bank, gpio) (32 * (bank) + (gpio)) 46 #define GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 7) 47 #define ICE_GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 18) 48 #define GPIO_PR1_MII_CTRL GPIO_TO_PIN(3, 4) 49 #define GPIO_MUX_MII_CTRL GPIO_TO_PIN(3, 10) 50 #define GPIO_FET_SWITCH_CTRL GPIO_TO_PIN(0, 7) 51 #define GPIO_PHY_RESET GPIO_TO_PIN(2, 5) 52 #define GPIO_ETH0_MODE GPIO_TO_PIN(0, 11) 53 #define GPIO_ETH1_MODE GPIO_TO_PIN(1, 26) 54 55 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; 56 57 #define GPIO0_RISINGDETECT (AM33XX_GPIO0_BASE + OMAP_GPIO_RISINGDETECT) 58 #define GPIO1_RISINGDETECT (AM33XX_GPIO1_BASE + OMAP_GPIO_RISINGDETECT) 59 60 #define GPIO0_IRQSTATUS1 (AM33XX_GPIO0_BASE + OMAP_GPIO_IRQSTATUS1) 61 #define GPIO1_IRQSTATUS1 (AM33XX_GPIO1_BASE + OMAP_GPIO_IRQSTATUS1) 62 63 #define GPIO0_IRQSTATUSRAW (AM33XX_GPIO0_BASE + 0x024) 64 #define GPIO1_IRQSTATUSRAW (AM33XX_GPIO1_BASE + 0x024) 65 66 /* 67 * Read header information from EEPROM into global structure. 68 */ 69 #ifdef CONFIG_TI_I2C_BOARD_DETECT 70 void do_board_detect(void) 71 { 72 enable_i2c0_pin_mux(); 73 i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); 74 75 if (ti_i2c_eeprom_am_get(CONFIG_EEPROM_BUS_ADDRESS, 76 CONFIG_EEPROM_CHIP_ADDRESS)) 77 printf("ti_i2c_eeprom_init failed\n"); 78 } 79 #endif 80 81 #ifndef CONFIG_DM_SERIAL 82 struct serial_device *default_serial_console(void) 83 { 84 if (board_is_icev2()) 85 return &eserial4_device; 86 else 87 return &eserial1_device; 88 } 89 #endif 90 91 #ifndef CONFIG_SKIP_LOWLEVEL_INIT 92 static const struct ddr_data ddr2_data = { 93 .datardsratio0 = MT47H128M16RT25E_RD_DQS, 94 .datafwsratio0 = MT47H128M16RT25E_PHY_FIFO_WE, 95 .datawrsratio0 = MT47H128M16RT25E_PHY_WR_DATA, 96 }; 97 98 static const struct cmd_control ddr2_cmd_ctrl_data = { 99 .cmd0csratio = MT47H128M16RT25E_RATIO, 100 101 .cmd1csratio = MT47H128M16RT25E_RATIO, 102 103 .cmd2csratio = MT47H128M16RT25E_RATIO, 104 }; 105 106 static const struct emif_regs ddr2_emif_reg_data = { 107 .sdram_config = MT47H128M16RT25E_EMIF_SDCFG, 108 .ref_ctrl = MT47H128M16RT25E_EMIF_SDREF, 109 .sdram_tim1 = MT47H128M16RT25E_EMIF_TIM1, 110 .sdram_tim2 = MT47H128M16RT25E_EMIF_TIM2, 111 .sdram_tim3 = MT47H128M16RT25E_EMIF_TIM3, 112 .emif_ddr_phy_ctlr_1 = MT47H128M16RT25E_EMIF_READ_LATENCY, 113 }; 114 115 static const struct emif_regs ddr2_evm_emif_reg_data = { 116 .sdram_config = MT47H128M16RT25E_EMIF_SDCFG, 117 .ref_ctrl = MT47H128M16RT25E_EMIF_SDREF, 118 .sdram_tim1 = MT47H128M16RT25E_EMIF_TIM1, 119 .sdram_tim2 = MT47H128M16RT25E_EMIF_TIM2, 120 .sdram_tim3 = MT47H128M16RT25E_EMIF_TIM3, 121 .ocp_config = EMIF_OCP_CONFIG_AM335X_EVM, 122 .emif_ddr_phy_ctlr_1 = MT47H128M16RT25E_EMIF_READ_LATENCY, 123 }; 124 125 static const struct ddr_data ddr3_data = { 126 .datardsratio0 = MT41J128MJT125_RD_DQS, 127 .datawdsratio0 = MT41J128MJT125_WR_DQS, 128 .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE, 129 .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA, 130 }; 131 132 static const struct ddr_data ddr3_beagleblack_data = { 133 .datardsratio0 = MT41K256M16HA125E_RD_DQS, 134 .datawdsratio0 = MT41K256M16HA125E_WR_DQS, 135 .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE, 136 .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA, 137 }; 138 139 static const struct ddr_data ddr3_evm_data = { 140 .datardsratio0 = MT41J512M8RH125_RD_DQS, 141 .datawdsratio0 = MT41J512M8RH125_WR_DQS, 142 .datafwsratio0 = MT41J512M8RH125_PHY_FIFO_WE, 143 .datawrsratio0 = MT41J512M8RH125_PHY_WR_DATA, 144 }; 145 146 static const struct ddr_data ddr3_icev2_data = { 147 .datardsratio0 = MT41J128MJT125_RD_DQS_400MHz, 148 .datawdsratio0 = MT41J128MJT125_WR_DQS_400MHz, 149 .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE_400MHz, 150 .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA_400MHz, 151 }; 152 153 static const struct cmd_control ddr3_cmd_ctrl_data = { 154 .cmd0csratio = MT41J128MJT125_RATIO, 155 .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT, 156 157 .cmd1csratio = MT41J128MJT125_RATIO, 158 .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT, 159 160 .cmd2csratio = MT41J128MJT125_RATIO, 161 .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT, 162 }; 163 164 static const struct cmd_control ddr3_beagleblack_cmd_ctrl_data = { 165 .cmd0csratio = MT41K256M16HA125E_RATIO, 166 .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT, 167 168 .cmd1csratio = MT41K256M16HA125E_RATIO, 169 .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT, 170 171 .cmd2csratio = MT41K256M16HA125E_RATIO, 172 .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT, 173 }; 174 175 static const struct cmd_control ddr3_evm_cmd_ctrl_data = { 176 .cmd0csratio = MT41J512M8RH125_RATIO, 177 .cmd0iclkout = MT41J512M8RH125_INVERT_CLKOUT, 178 179 .cmd1csratio = MT41J512M8RH125_RATIO, 180 .cmd1iclkout = MT41J512M8RH125_INVERT_CLKOUT, 181 182 .cmd2csratio = MT41J512M8RH125_RATIO, 183 .cmd2iclkout = MT41J512M8RH125_INVERT_CLKOUT, 184 }; 185 186 static const struct cmd_control ddr3_icev2_cmd_ctrl_data = { 187 .cmd0csratio = MT41J128MJT125_RATIO_400MHz, 188 .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz, 189 190 .cmd1csratio = MT41J128MJT125_RATIO_400MHz, 191 .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz, 192 193 .cmd2csratio = MT41J128MJT125_RATIO_400MHz, 194 .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz, 195 }; 196 197 static struct emif_regs ddr3_emif_reg_data = { 198 .sdram_config = MT41J128MJT125_EMIF_SDCFG, 199 .ref_ctrl = MT41J128MJT125_EMIF_SDREF, 200 .sdram_tim1 = MT41J128MJT125_EMIF_TIM1, 201 .sdram_tim2 = MT41J128MJT125_EMIF_TIM2, 202 .sdram_tim3 = MT41J128MJT125_EMIF_TIM3, 203 .zq_config = MT41J128MJT125_ZQ_CFG, 204 .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY | 205 PHY_EN_DYN_PWRDN, 206 }; 207 208 static struct emif_regs ddr3_beagleblack_emif_reg_data = { 209 .sdram_config = MT41K256M16HA125E_EMIF_SDCFG, 210 .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF, 211 .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1, 212 .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2, 213 .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3, 214 .ocp_config = EMIF_OCP_CONFIG_BEAGLEBONE_BLACK, 215 .zq_config = MT41K256M16HA125E_ZQ_CFG, 216 .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY, 217 }; 218 219 static struct emif_regs ddr3_evm_emif_reg_data = { 220 .sdram_config = MT41J512M8RH125_EMIF_SDCFG, 221 .ref_ctrl = MT41J512M8RH125_EMIF_SDREF, 222 .sdram_tim1 = MT41J512M8RH125_EMIF_TIM1, 223 .sdram_tim2 = MT41J512M8RH125_EMIF_TIM2, 224 .sdram_tim3 = MT41J512M8RH125_EMIF_TIM3, 225 .ocp_config = EMIF_OCP_CONFIG_AM335X_EVM, 226 .zq_config = MT41J512M8RH125_ZQ_CFG, 227 .emif_ddr_phy_ctlr_1 = MT41J512M8RH125_EMIF_READ_LATENCY | 228 PHY_EN_DYN_PWRDN, 229 }; 230 231 static struct emif_regs ddr3_icev2_emif_reg_data = { 232 .sdram_config = MT41J128MJT125_EMIF_SDCFG_400MHz, 233 .ref_ctrl = MT41J128MJT125_EMIF_SDREF_400MHz, 234 .sdram_tim1 = MT41J128MJT125_EMIF_TIM1_400MHz, 235 .sdram_tim2 = MT41J128MJT125_EMIF_TIM2_400MHz, 236 .sdram_tim3 = MT41J128MJT125_EMIF_TIM3_400MHz, 237 .zq_config = MT41J128MJT125_ZQ_CFG_400MHz, 238 .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY_400MHz | 239 PHY_EN_DYN_PWRDN, 240 }; 241 242 #ifdef CONFIG_SPL_OS_BOOT 243 int spl_start_uboot(void) 244 { 245 #ifdef CONFIG_SPL_SERIAL_SUPPORT 246 /* break into full u-boot on 'c' */ 247 if (serial_tstc() && serial_getc() == 'c') 248 return 1; 249 #endif 250 251 #ifdef CONFIG_SPL_ENV_SUPPORT 252 env_init(); 253 env_load(); 254 if (env_get_yesno("boot_os") != 1) 255 return 1; 256 #endif 257 258 return 0; 259 } 260 #endif 261 262 const struct dpll_params *get_dpll_ddr_params(void) 263 { 264 int ind = get_sys_clk_index(); 265 266 if (board_is_evm_sk()) 267 return &dpll_ddr3_303MHz[ind]; 268 else if (board_is_pb() || board_is_bone_lt() || board_is_icev2()) 269 return &dpll_ddr3_400MHz[ind]; 270 else if (board_is_evm_15_or_later()) 271 return &dpll_ddr3_303MHz[ind]; 272 else 273 return &dpll_ddr2_266MHz[ind]; 274 } 275 276 static u8 bone_not_connected_to_ac_power(void) 277 { 278 if (board_is_bone()) { 279 uchar pmic_status_reg; 280 if (tps65217_reg_read(TPS65217_STATUS, 281 &pmic_status_reg)) 282 return 1; 283 if (!(pmic_status_reg & TPS65217_PWR_SRC_AC_BITMASK)) { 284 puts("No AC power, switching to default OPP\n"); 285 return 1; 286 } 287 } 288 return 0; 289 } 290 291 const struct dpll_params *get_dpll_mpu_params(void) 292 { 293 int ind = get_sys_clk_index(); 294 int freq = am335x_get_efuse_mpu_max_freq(cdev); 295 296 if (bone_not_connected_to_ac_power()) 297 freq = MPUPLL_M_600; 298 299 if (board_is_pb() || board_is_bone_lt()) 300 freq = MPUPLL_M_1000; 301 302 switch (freq) { 303 case MPUPLL_M_1000: 304 return &dpll_mpu_opp[ind][5]; 305 case MPUPLL_M_800: 306 return &dpll_mpu_opp[ind][4]; 307 case MPUPLL_M_720: 308 return &dpll_mpu_opp[ind][3]; 309 case MPUPLL_M_600: 310 return &dpll_mpu_opp[ind][2]; 311 case MPUPLL_M_500: 312 return &dpll_mpu_opp100; 313 case MPUPLL_M_300: 314 return &dpll_mpu_opp[ind][0]; 315 } 316 317 return &dpll_mpu_opp[ind][0]; 318 } 319 320 static void scale_vcores_bone(int freq) 321 { 322 int usb_cur_lim, mpu_vdd; 323 324 /* 325 * Only perform PMIC configurations if board rev > A1 326 * on Beaglebone White 327 */ 328 if (board_is_bone() && !strncmp(board_ti_get_rev(), "00A1", 4)) 329 return; 330 331 if (i2c_probe(TPS65217_CHIP_PM)) 332 return; 333 334 /* 335 * On Beaglebone White we need to ensure we have AC power 336 * before increasing the frequency. 337 */ 338 if (bone_not_connected_to_ac_power()) 339 freq = MPUPLL_M_600; 340 341 /* 342 * Override what we have detected since we know if we have 343 * a Beaglebone Black it supports 1GHz. 344 */ 345 if (board_is_pb() || board_is_bone_lt()) 346 freq = MPUPLL_M_1000; 347 348 switch (freq) { 349 case MPUPLL_M_1000: 350 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV; 351 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA; 352 break; 353 case MPUPLL_M_800: 354 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV; 355 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA; 356 break; 357 case MPUPLL_M_720: 358 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1200MV; 359 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA; 360 break; 361 case MPUPLL_M_600: 362 case MPUPLL_M_500: 363 case MPUPLL_M_300: 364 default: 365 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1100MV; 366 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA; 367 break; 368 } 369 370 if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, 371 TPS65217_POWER_PATH, 372 usb_cur_lim, 373 TPS65217_USB_INPUT_CUR_LIMIT_MASK)) 374 puts("tps65217_reg_write failure\n"); 375 376 /* Set DCDC3 (CORE) voltage to 1.10V */ 377 if (tps65217_voltage_update(TPS65217_DEFDCDC3, 378 TPS65217_DCDC_VOLT_SEL_1100MV)) { 379 puts("tps65217_voltage_update failure\n"); 380 return; 381 } 382 383 /* Set DCDC2 (MPU) voltage */ 384 if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) { 385 puts("tps65217_voltage_update failure\n"); 386 return; 387 } 388 389 /* 390 * Set LDO3, LDO4 output voltage to 3.3V for Beaglebone. 391 * Set LDO3 to 1.8V and LDO4 to 3.3V for Beaglebone Black. 392 */ 393 if (board_is_bone()) { 394 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, 395 TPS65217_DEFLS1, 396 TPS65217_LDO_VOLTAGE_OUT_3_3, 397 TPS65217_LDO_MASK)) 398 puts("tps65217_reg_write failure\n"); 399 } else { 400 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, 401 TPS65217_DEFLS1, 402 TPS65217_LDO_VOLTAGE_OUT_1_8, 403 TPS65217_LDO_MASK)) 404 puts("tps65217_reg_write failure\n"); 405 } 406 407 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, 408 TPS65217_DEFLS2, 409 TPS65217_LDO_VOLTAGE_OUT_3_3, 410 TPS65217_LDO_MASK)) 411 puts("tps65217_reg_write failure\n"); 412 } 413 414 void scale_vcores_generic(int freq) 415 { 416 int sil_rev, mpu_vdd; 417 418 /* 419 * The GP EVM, IDK and EVM SK use a TPS65910 PMIC. For all 420 * MPU frequencies we support we use a CORE voltage of 421 * 1.10V. For MPU voltage we need to switch based on 422 * the frequency we are running at. 423 */ 424 if (i2c_probe(TPS65910_CTRL_I2C_ADDR)) 425 return; 426 427 /* 428 * Depending on MPU clock and PG we will need a different 429 * VDD to drive at that speed. 430 */ 431 sil_rev = readl(&cdev->deviceid) >> 28; 432 mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev, freq); 433 434 /* Tell the TPS65910 to use i2c */ 435 tps65910_set_i2c_control(); 436 437 /* First update MPU voltage. */ 438 if (tps65910_voltage_update(MPU, mpu_vdd)) 439 return; 440 441 /* Second, update the CORE voltage. */ 442 if (tps65910_voltage_update(CORE, TPS65910_OP_REG_SEL_1_1_0)) 443 return; 444 445 } 446 447 void gpi2c_init(void) 448 { 449 /* When needed to be invoked prior to BSS initialization */ 450 static bool first_time = true; 451 452 if (first_time) { 453 enable_i2c0_pin_mux(); 454 i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, 455 CONFIG_SYS_OMAP24_I2C_SLAVE); 456 first_time = false; 457 } 458 } 459 460 void scale_vcores(void) 461 { 462 int freq; 463 464 gpi2c_init(); 465 freq = am335x_get_efuse_mpu_max_freq(cdev); 466 467 if (board_is_beaglebonex()) 468 scale_vcores_bone(freq); 469 else 470 scale_vcores_generic(freq); 471 } 472 473 void set_uart_mux_conf(void) 474 { 475 #if CONFIG_CONS_INDEX == 1 476 enable_uart0_pin_mux(); 477 #elif CONFIG_CONS_INDEX == 2 478 enable_uart1_pin_mux(); 479 #elif CONFIG_CONS_INDEX == 3 480 enable_uart2_pin_mux(); 481 #elif CONFIG_CONS_INDEX == 4 482 enable_uart3_pin_mux(); 483 #elif CONFIG_CONS_INDEX == 5 484 enable_uart4_pin_mux(); 485 #elif CONFIG_CONS_INDEX == 6 486 enable_uart5_pin_mux(); 487 #endif 488 } 489 490 void set_mux_conf_regs(void) 491 { 492 enable_board_pin_mux(); 493 } 494 495 const struct ctrl_ioregs ioregs_evmsk = { 496 .cm0ioctl = MT41J128MJT125_IOCTRL_VALUE, 497 .cm1ioctl = MT41J128MJT125_IOCTRL_VALUE, 498 .cm2ioctl = MT41J128MJT125_IOCTRL_VALUE, 499 .dt0ioctl = MT41J128MJT125_IOCTRL_VALUE, 500 .dt1ioctl = MT41J128MJT125_IOCTRL_VALUE, 501 }; 502 503 const struct ctrl_ioregs ioregs_bonelt = { 504 .cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, 505 .cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, 506 .cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE, 507 .dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, 508 .dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, 509 }; 510 511 const struct ctrl_ioregs ioregs_evm15 = { 512 .cm0ioctl = MT41J512M8RH125_IOCTRL_VALUE, 513 .cm1ioctl = MT41J512M8RH125_IOCTRL_VALUE, 514 .cm2ioctl = MT41J512M8RH125_IOCTRL_VALUE, 515 .dt0ioctl = MT41J512M8RH125_IOCTRL_VALUE, 516 .dt1ioctl = MT41J512M8RH125_IOCTRL_VALUE, 517 }; 518 519 const struct ctrl_ioregs ioregs = { 520 .cm0ioctl = MT47H128M16RT25E_IOCTRL_VALUE, 521 .cm1ioctl = MT47H128M16RT25E_IOCTRL_VALUE, 522 .cm2ioctl = MT47H128M16RT25E_IOCTRL_VALUE, 523 .dt0ioctl = MT47H128M16RT25E_IOCTRL_VALUE, 524 .dt1ioctl = MT47H128M16RT25E_IOCTRL_VALUE, 525 }; 526 527 void sdram_init(void) 528 { 529 if (board_is_evm_sk()) { 530 /* 531 * EVM SK 1.2A and later use gpio0_7 to enable DDR3. 532 * This is safe enough to do on older revs. 533 */ 534 gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en"); 535 gpio_direction_output(GPIO_DDR_VTT_EN, 1); 536 } 537 538 if (board_is_icev2()) { 539 gpio_request(ICE_GPIO_DDR_VTT_EN, "ddr_vtt_en"); 540 gpio_direction_output(ICE_GPIO_DDR_VTT_EN, 1); 541 } 542 543 if (board_is_evm_sk()) 544 config_ddr(303, &ioregs_evmsk, &ddr3_data, 545 &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0); 546 else if (board_is_pb() || board_is_bone_lt()) 547 config_ddr(400, &ioregs_bonelt, 548 &ddr3_beagleblack_data, 549 &ddr3_beagleblack_cmd_ctrl_data, 550 &ddr3_beagleblack_emif_reg_data, 0); 551 else if (board_is_evm_15_or_later()) 552 config_ddr(303, &ioregs_evm15, &ddr3_evm_data, 553 &ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0); 554 else if (board_is_icev2()) 555 config_ddr(400, &ioregs_evmsk, &ddr3_icev2_data, 556 &ddr3_icev2_cmd_ctrl_data, &ddr3_icev2_emif_reg_data, 557 0); 558 else if (board_is_gp_evm()) 559 config_ddr(266, &ioregs, &ddr2_data, 560 &ddr2_cmd_ctrl_data, &ddr2_evm_emif_reg_data, 0); 561 else 562 config_ddr(266, &ioregs, &ddr2_data, 563 &ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0); 564 } 565 #endif 566 567 #if defined(CONFIG_CLOCK_SYNTHESIZER) && (!defined(CONFIG_SPL_BUILD) || \ 568 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))) 569 static void request_and_set_gpio(int gpio, char *name, int val) 570 { 571 int ret; 572 573 ret = gpio_request(gpio, name); 574 if (ret < 0) { 575 printf("%s: Unable to request %s\n", __func__, name); 576 return; 577 } 578 579 ret = gpio_direction_output(gpio, 0); 580 if (ret < 0) { 581 printf("%s: Unable to set %s as output\n", __func__, name); 582 goto err_free_gpio; 583 } 584 585 gpio_set_value(gpio, val); 586 587 return; 588 589 err_free_gpio: 590 gpio_free(gpio); 591 } 592 593 #define REQUEST_AND_SET_GPIO(N) request_and_set_gpio(N, #N, 1); 594 #define REQUEST_AND_CLR_GPIO(N) request_and_set_gpio(N, #N, 0); 595 596 /** 597 * RMII mode on ICEv2 board needs 50MHz clock. Given the clock 598 * synthesizer With a capacitor of 18pF, and 25MHz input clock cycle 599 * PLL1 gives an output of 100MHz. So, configuring the div2/3 as 2 to 600 * give 50MHz output for Eth0 and 1. 601 */ 602 static struct clk_synth cdce913_data = { 603 .id = 0x81, 604 .capacitor = 0x90, 605 .mux = 0x6d, 606 .pdiv2 = 0x2, 607 .pdiv3 = 0x2, 608 }; 609 #endif 610 611 /* 612 * Basic board specific setup. Pinmux has been handled already. 613 */ 614 int board_init(void) 615 { 616 #if defined(CONFIG_HW_WATCHDOG) 617 hw_watchdog_init(); 618 #endif 619 620 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 621 #if defined(CONFIG_NOR) || defined(CONFIG_NAND) 622 gpmc_init(); 623 #endif 624 625 #if defined(CONFIG_CLOCK_SYNTHESIZER) && (!defined(CONFIG_SPL_BUILD) || \ 626 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))) 627 if (board_is_icev2()) { 628 int rv; 629 u32 reg; 630 631 REQUEST_AND_SET_GPIO(GPIO_PR1_MII_CTRL); 632 /* Make J19 status available on GPIO1_26 */ 633 REQUEST_AND_CLR_GPIO(GPIO_MUX_MII_CTRL); 634 635 REQUEST_AND_SET_GPIO(GPIO_FET_SWITCH_CTRL); 636 /* 637 * Both ports can be set as RMII-CPSW or MII-PRU-ETH using 638 * jumpers near the port. Read the jumper value and set 639 * the pinmux, external mux and PHY clock accordingly. 640 * As jumper line is overridden by PHY RX_DV pin immediately 641 * after bootstrap (power-up/reset), we need to sample 642 * it during PHY reset using GPIO rising edge detection. 643 */ 644 REQUEST_AND_SET_GPIO(GPIO_PHY_RESET); 645 /* Enable rising edge IRQ on GPIO0_11 and GPIO 1_26 */ 646 reg = readl(GPIO0_RISINGDETECT) | BIT(11); 647 writel(reg, GPIO0_RISINGDETECT); 648 reg = readl(GPIO1_RISINGDETECT) | BIT(26); 649 writel(reg, GPIO1_RISINGDETECT); 650 /* Reset PHYs to capture the Jumper setting */ 651 gpio_set_value(GPIO_PHY_RESET, 0); 652 udelay(2); /* PHY datasheet states 1uS min. */ 653 gpio_set_value(GPIO_PHY_RESET, 1); 654 655 reg = readl(GPIO0_IRQSTATUSRAW) & BIT(11); 656 if (reg) { 657 writel(reg, GPIO0_IRQSTATUS1); /* clear irq */ 658 /* RMII mode */ 659 printf("ETH0, CPSW\n"); 660 } else { 661 /* MII mode */ 662 printf("ETH0, PRU\n"); 663 cdce913_data.pdiv3 = 4; /* 25MHz PHY clk */ 664 } 665 666 reg = readl(GPIO1_IRQSTATUSRAW) & BIT(26); 667 if (reg) { 668 writel(reg, GPIO1_IRQSTATUS1); /* clear irq */ 669 /* RMII mode */ 670 printf("ETH1, CPSW\n"); 671 gpio_set_value(GPIO_MUX_MII_CTRL, 1); 672 } else { 673 /* MII mode */ 674 printf("ETH1, PRU\n"); 675 cdce913_data.pdiv2 = 4; /* 25MHz PHY clk */ 676 } 677 678 /* disable rising edge IRQs */ 679 reg = readl(GPIO0_RISINGDETECT) & ~BIT(11); 680 writel(reg, GPIO0_RISINGDETECT); 681 reg = readl(GPIO1_RISINGDETECT) & ~BIT(26); 682 writel(reg, GPIO1_RISINGDETECT); 683 684 rv = setup_clock_synthesizer(&cdce913_data); 685 if (rv) { 686 printf("Clock synthesizer setup failed %d\n", rv); 687 return rv; 688 } 689 690 /* reset PHYs */ 691 gpio_set_value(GPIO_PHY_RESET, 0); 692 udelay(2); /* PHY datasheet states 1uS min. */ 693 gpio_set_value(GPIO_PHY_RESET, 1); 694 } 695 #endif 696 697 return 0; 698 } 699 700 #ifdef CONFIG_BOARD_LATE_INIT 701 int board_late_init(void) 702 { 703 #if !defined(CONFIG_SPL_BUILD) 704 uint8_t mac_addr[6]; 705 uint32_t mac_hi, mac_lo; 706 #endif 707 708 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 709 char *name = NULL; 710 711 if (board_is_bone_lt()) { 712 /* BeagleBoard.org BeagleBone Black Wireless: */ 713 if (!strncmp(board_ti_get_rev(), "BWA", 3)) { 714 name = "BBBW"; 715 } 716 /* SeeedStudio BeagleBone Green Wireless */ 717 if (!strncmp(board_ti_get_rev(), "GW1", 3)) { 718 name = "BBGW"; 719 } 720 /* BeagleBoard.org BeagleBone Blue */ 721 if (!strncmp(board_ti_get_rev(), "BLA", 3)) { 722 name = "BBBL"; 723 } 724 } 725 726 if (board_is_bbg1()) 727 name = "BBG1"; 728 if (board_is_bben()) 729 name = "BBEN"; 730 set_board_info_env(name); 731 732 /* 733 * Default FIT boot on HS devices. Non FIT images are not allowed 734 * on HS devices. 735 */ 736 if (get_device_type() == HS_DEVICE) 737 env_set("boot_fit", "1"); 738 #endif 739 740 #if !defined(CONFIG_SPL_BUILD) 741 /* try reading mac address from efuse */ 742 mac_lo = readl(&cdev->macid0l); 743 mac_hi = readl(&cdev->macid0h); 744 mac_addr[0] = mac_hi & 0xFF; 745 mac_addr[1] = (mac_hi & 0xFF00) >> 8; 746 mac_addr[2] = (mac_hi & 0xFF0000) >> 16; 747 mac_addr[3] = (mac_hi & 0xFF000000) >> 24; 748 mac_addr[4] = mac_lo & 0xFF; 749 mac_addr[5] = (mac_lo & 0xFF00) >> 8; 750 751 if (!env_get("ethaddr")) { 752 printf("<ethaddr> not set. Validating first E-fuse MAC\n"); 753 754 if (is_valid_ethaddr(mac_addr)) 755 eth_env_set_enetaddr("ethaddr", mac_addr); 756 } 757 758 mac_lo = readl(&cdev->macid1l); 759 mac_hi = readl(&cdev->macid1h); 760 mac_addr[0] = mac_hi & 0xFF; 761 mac_addr[1] = (mac_hi & 0xFF00) >> 8; 762 mac_addr[2] = (mac_hi & 0xFF0000) >> 16; 763 mac_addr[3] = (mac_hi & 0xFF000000) >> 24; 764 mac_addr[4] = mac_lo & 0xFF; 765 mac_addr[5] = (mac_lo & 0xFF00) >> 8; 766 767 if (!env_get("eth1addr")) { 768 if (is_valid_ethaddr(mac_addr)) 769 eth_env_set_enetaddr("eth1addr", mac_addr); 770 } 771 #endif 772 773 if (!env_get("serial#")) { 774 char *board_serial = env_get("board_serial"); 775 char *ethaddr = env_get("ethaddr"); 776 777 if (!board_serial || !strncmp(board_serial, "unknown", 7)) 778 env_set("serial#", ethaddr); 779 else 780 env_set("serial#", board_serial); 781 } 782 783 return 0; 784 } 785 #endif 786 787 #ifndef CONFIG_DM_ETH 788 789 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \ 790 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD)) 791 static void cpsw_control(int enabled) 792 { 793 /* VTP can be added here */ 794 795 return; 796 } 797 798 static struct cpsw_slave_data cpsw_slaves[] = { 799 { 800 .slave_reg_ofs = 0x208, 801 .sliver_reg_ofs = 0xd80, 802 .phy_addr = 0, 803 }, 804 { 805 .slave_reg_ofs = 0x308, 806 .sliver_reg_ofs = 0xdc0, 807 .phy_addr = 1, 808 }, 809 }; 810 811 static struct cpsw_platform_data cpsw_data = { 812 .mdio_base = CPSW_MDIO_BASE, 813 .cpsw_base = CPSW_BASE, 814 .mdio_div = 0xff, 815 .channels = 8, 816 .cpdma_reg_ofs = 0x800, 817 .slaves = 1, 818 .slave_data = cpsw_slaves, 819 .ale_reg_ofs = 0xd00, 820 .ale_entries = 1024, 821 .host_port_reg_ofs = 0x108, 822 .hw_stats_reg_ofs = 0x900, 823 .bd_ram_ofs = 0x2000, 824 .mac_control = (1 << 5), 825 .control = cpsw_control, 826 .host_port_num = 0, 827 .version = CPSW_CTRL_VERSION_2, 828 }; 829 #endif 830 831 #if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USB_ETHER)) &&\ 832 defined(CONFIG_SPL_BUILD)) || \ 833 ((defined(CONFIG_DRIVER_TI_CPSW) || \ 834 defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \ 835 !defined(CONFIG_SPL_BUILD)) 836 837 /* 838 * This function will: 839 * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr 840 * in the environment 841 * Perform fixups to the PHY present on certain boards. We only need this 842 * function in: 843 * - SPL with either CPSW or USB ethernet support 844 * - Full U-Boot, with either CPSW or USB ethernet 845 * Build in only these cases to avoid warnings about unused variables 846 * when we build an SPL that has neither option but full U-Boot will. 847 */ 848 int board_eth_init(bd_t *bis) 849 { 850 int rv, n = 0; 851 #if defined(CONFIG_USB_ETHER) && \ 852 (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USB_ETHER)) 853 uint8_t mac_addr[6]; 854 uint32_t mac_hi, mac_lo; 855 856 /* 857 * use efuse mac address for USB ethernet as we know that 858 * both CPSW and USB ethernet will never be active at the same time 859 */ 860 mac_lo = readl(&cdev->macid0l); 861 mac_hi = readl(&cdev->macid0h); 862 mac_addr[0] = mac_hi & 0xFF; 863 mac_addr[1] = (mac_hi & 0xFF00) >> 8; 864 mac_addr[2] = (mac_hi & 0xFF0000) >> 16; 865 mac_addr[3] = (mac_hi & 0xFF000000) >> 24; 866 mac_addr[4] = mac_lo & 0xFF; 867 mac_addr[5] = (mac_lo & 0xFF00) >> 8; 868 #endif 869 870 871 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \ 872 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD)) 873 874 #ifdef CONFIG_DRIVER_TI_CPSW 875 if (board_is_bone() || board_is_bone_lt() || board_is_bben() || 876 board_is_idk()) { 877 writel(MII_MODE_ENABLE, &cdev->miisel); 878 cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if = 879 PHY_INTERFACE_MODE_MII; 880 } else if (board_is_icev2()) { 881 writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel); 882 cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII; 883 cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_RMII; 884 cpsw_slaves[0].phy_addr = 1; 885 cpsw_slaves[1].phy_addr = 3; 886 } else { 887 writel((RGMII_MODE_ENABLE | RGMII_INT_DELAY), &cdev->miisel); 888 cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if = 889 PHY_INTERFACE_MODE_RGMII; 890 } 891 892 rv = cpsw_register(&cpsw_data); 893 if (rv < 0) 894 printf("Error %d registering CPSW switch\n", rv); 895 else 896 n += rv; 897 #endif 898 899 /* 900 * 901 * CPSW RGMII Internal Delay Mode is not supported in all PVT 902 * operating points. So we must set the TX clock delay feature 903 * in the AR8051 PHY. Since we only support a single ethernet 904 * device in U-Boot, we only do this for the first instance. 905 */ 906 #define AR8051_PHY_DEBUG_ADDR_REG 0x1d 907 #define AR8051_PHY_DEBUG_DATA_REG 0x1e 908 #define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5 909 #define AR8051_RGMII_TX_CLK_DLY 0x100 910 911 if (board_is_evm_sk() || board_is_gp_evm() || board_is_bben()) { 912 const char *devname; 913 devname = miiphy_get_current_dev(); 914 915 miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_ADDR_REG, 916 AR8051_DEBUG_RGMII_CLK_DLY_REG); 917 miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_DATA_REG, 918 AR8051_RGMII_TX_CLK_DLY); 919 } 920 #endif 921 #if defined(CONFIG_USB_ETHER) && \ 922 (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USB_ETHER)) 923 if (is_valid_ethaddr(mac_addr)) 924 eth_env_set_enetaddr("usbnet_devaddr", mac_addr); 925 926 rv = usb_eth_initialize(bis); 927 if (rv < 0) 928 printf("Error %d registering USB_ETHER\n", rv); 929 else 930 n += rv; 931 #endif 932 return n; 933 } 934 #endif 935 936 #endif /* CONFIG_DM_ETH */ 937 938 #ifdef CONFIG_SPL_LOAD_FIT 939 int board_fit_config_name_match(const char *name) 940 { 941 if (board_is_gp_evm() && !strcmp(name, "am335x-evm")) 942 return 0; 943 else if (board_is_bone() && !strcmp(name, "am335x-bone")) 944 return 0; 945 else if (board_is_bone_lt() && !strcmp(name, "am335x-boneblack")) 946 return 0; 947 else if (board_is_pb() && !strcmp(name, "am335x-pocketbeagle")) 948 return 0; 949 else if (board_is_evm_sk() && !strcmp(name, "am335x-evmsk")) 950 return 0; 951 else if (board_is_bbg1() && !strcmp(name, "am335x-bonegreen")) 952 return 0; 953 else if (board_is_icev2() && !strcmp(name, "am335x-icev2")) 954 return 0; 955 else 956 return -1; 957 } 958 #endif 959 960 #ifdef CONFIG_TI_SECURE_DEVICE 961 void board_fit_image_post_process(void **p_image, size_t *p_size) 962 { 963 secure_boot_verify_image(p_image, p_size); 964 } 965 #endif 966 967 #if !CONFIG_IS_ENABLED(OF_CONTROL) 968 static const struct omap_hsmmc_plat am335x_mmc0_platdata = { 969 .base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE, 970 .cfg.host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_4BIT, 971 .cfg.f_min = 400000, 972 .cfg.f_max = 52000000, 973 .cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195, 974 .cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT, 975 }; 976 977 U_BOOT_DEVICE(am335x_mmc0) = { 978 .name = "omap_hsmmc", 979 .platdata = &am335x_mmc0_platdata, 980 }; 981 982 static const struct omap_hsmmc_plat am335x_mmc1_platdata = { 983 .base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE, 984 .cfg.host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_8BIT, 985 .cfg.f_min = 400000, 986 .cfg.f_max = 52000000, 987 .cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195, 988 .cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT, 989 }; 990 991 U_BOOT_DEVICE(am335x_mmc1) = { 992 .name = "omap_hsmmc", 993 .platdata = &am335x_mmc1_platdata, 994 }; 995 #endif 996