board/ti/am335x/board.c

   1 /*
   2  * board.c
   3  *
   4  * Board functions for TI AM335X based boards
   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 <dm.h>
  13 #include <errno.h>
  14 #include <spl.h>
  15 #include <serial.h>
  16 #include <asm/arch/cpu.h>
  17 #include <asm/arch/hardware.h>
  18 #include <asm/arch/omap.h>
  19 #include <asm/arch/ddr_defs.h>
  20 #include <asm/arch/clock.h>
  21 #include <asm/arch/clk_synthesizer.h>
  22 #include <asm/arch/gpio.h>
  23 #include <asm/arch/mmc_host_def.h>
  24 #include <asm/arch/sys_proto.h>
  25 #include <asm/arch/mem.h>
  26 #include <asm/io.h>
  27 #include <asm/emif.h>
  28 #include <asm/gpio.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         /* break into full u-boot on 'c' */
 246         if (serial_tstc() && serial_getc() == 'c')
 247                 return 1;
 248
 249 #ifdef CONFIG_SPL_ENV_SUPPORT
 250         env_init();
 251         env_relocate_spec();
 252         if (getenv_yesno("boot_os") != 1)
 253                 return 1;
 254 #endif
 255
 256         return 0;
 257 }
 258 #endif
 259
 260 const struct dpll_params *get_dpll_ddr_params(void)
 261 {
 262         int ind = get_sys_clk_index();
 263
 264         if (board_is_evm_sk())
 265                 return &dpll_ddr3_303MHz[ind];
 266         else if (board_is_bone_lt() || board_is_icev2())
 267                 return &dpll_ddr3_400MHz[ind];
 268         else if (board_is_evm_15_or_later())
 269                 return &dpll_ddr3_303MHz[ind];
 270         else
 271                 return &dpll_ddr2_266MHz[ind];
 272 }
 273
 274 static u8 bone_not_connected_to_ac_power(void)
 275 {
 276         if (board_is_bone()) {
 277                 uchar pmic_status_reg;
 278                 if (tps65217_reg_read(TPS65217_STATUS,
 279                                       &pmic_status_reg))
 280                         return 1;
 281                 if (!(pmic_status_reg & TPS65217_PWR_SRC_AC_BITMASK)) {
 282                         puts("No AC power, switching to default OPP\n");
 283                         return 1;
 284                 }
 285         }
 286         return 0;
 287 }
 288
 289 const struct dpll_params *get_dpll_mpu_params(void)
 290 {
 291         int ind = get_sys_clk_index();
 292         int freq = am335x_get_efuse_mpu_max_freq(cdev);
 293
 294         if (bone_not_connected_to_ac_power())
 295                 freq = MPUPLL_M_600;
 296
 297         if (board_is_bone_lt())
 298                 freq = MPUPLL_M_1000;
 299
 300         switch (freq) {
 301         case MPUPLL_M_1000:
 302                 return &dpll_mpu_opp[ind][5];
 303         case MPUPLL_M_800:
 304                 return &dpll_mpu_opp[ind][4];
 305         case MPUPLL_M_720:
 306                 return &dpll_mpu_opp[ind][3];
 307         case MPUPLL_M_600:
 308                 return &dpll_mpu_opp[ind][2];
 309         case MPUPLL_M_500:
 310                 return &dpll_mpu_opp100;
 311         case MPUPLL_M_300:
 312                 return &dpll_mpu_opp[ind][0];
 313         }
 314
 315         return &dpll_mpu_opp[ind][0];
 316 }
 317
 318 static void scale_vcores_bone(int freq)
 319 {
 320         int usb_cur_lim, mpu_vdd;
 321
 322         /*
 323          * Only perform PMIC configurations if board rev > A1
 324          * on Beaglebone White
 325          */
 326         if (board_is_bone() && !strncmp(board_ti_get_rev(), "00A1", 4))
 327                 return;
 328
 329         if (i2c_probe(TPS65217_CHIP_PM))
 330                 return;
 331
 332         /*
 333          * On Beaglebone White we need to ensure we have AC power
 334          * before increasing the frequency.
 335          */
 336         if (bone_not_connected_to_ac_power())
 337                 freq = MPUPLL_M_600;
 338
 339         /*
 340          * Override what we have detected since we know if we have
 341          * a Beaglebone Black it supports 1GHz.
 342          */
 343         if (board_is_bone_lt())
 344                 freq = MPUPLL_M_1000;
 345
 346         if (freq == MPUPLL_M_1000) {
 347                 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
 348                 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
 349         } else {
 350                 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
 351                 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
 352         }
 353
 354         switch (freq) {
 355         case MPUPLL_M_1000:
 356                 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
 357                 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
 358                 break;
 359         case MPUPLL_M_800:
 360                 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
 361                 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
 362                 break;
 363         case MPUPLL_M_720:
 364                 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1200MV;
 365                 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
 366                 break;
 367         case MPUPLL_M_600:
 368         case MPUPLL_M_500:
 369         case MPUPLL_M_300:
 370                 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1100MV;
 371                 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
 372                 break;
 373         }
 374
 375         if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
 376                                TPS65217_POWER_PATH,
 377                                usb_cur_lim,
 378                                TPS65217_USB_INPUT_CUR_LIMIT_MASK))
 379                 puts("tps65217_reg_write failure\n");
 380
 381         /* Set DCDC3 (CORE) voltage to 1.10V */
 382         if (tps65217_voltage_update(TPS65217_DEFDCDC3,
 383                                     TPS65217_DCDC_VOLT_SEL_1100MV)) {
 384                 puts("tps65217_voltage_update failure\n");
 385                 return;
 386         }
 387
 388         /* Set DCDC2 (MPU) voltage */
 389         if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
 390                 puts("tps65217_voltage_update failure\n");
 391                 return;
 392         }
 393
 394         /*
 395          * Set LDO3, LDO4 output voltage to 3.3V for Beaglebone.
 396          * Set LDO3 to 1.8V and LDO4 to 3.3V for Beaglebone Black.
 397          */
 398         if (board_is_bone()) {
 399                 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 400                                        TPS65217_DEFLS1,
 401                                        TPS65217_LDO_VOLTAGE_OUT_3_3,
 402                                        TPS65217_LDO_MASK))
 403                         puts("tps65217_reg_write failure\n");
 404         } else {
 405                 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 406                                        TPS65217_DEFLS1,
 407                                        TPS65217_LDO_VOLTAGE_OUT_1_8,
 408                                        TPS65217_LDO_MASK))
 409                         puts("tps65217_reg_write failure\n");
 410         }
 411
 412         if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 413                                TPS65217_DEFLS2,
 414                                TPS65217_LDO_VOLTAGE_OUT_3_3,
 415                                TPS65217_LDO_MASK))
 416                 puts("tps65217_reg_write failure\n");
 417 }
 418
 419 void scale_vcores_generic(int freq)
 420 {
 421         int sil_rev, mpu_vdd;
 422
 423         /*
 424          * The GP EVM, IDK and EVM SK use a TPS65910 PMIC.  For all
 425          * MPU frequencies we support we use a CORE voltage of
 426          * 1.10V.  For MPU voltage we need to switch based on
 427          * the frequency we are running at.
 428          */
 429         if (i2c_probe(TPS65910_CTRL_I2C_ADDR))
 430                 return;
 431
 432         /*
 433          * Depending on MPU clock and PG we will need a different
 434          * VDD to drive at that speed.
 435          */
 436         sil_rev = readl(&cdev->deviceid) >> 28;
 437         mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev, freq);
 438
 439         /* Tell the TPS65910 to use i2c */
 440         tps65910_set_i2c_control();
 441
 442         /* First update MPU voltage. */
 443         if (tps65910_voltage_update(MPU, mpu_vdd))
 444                 return;
 445
 446         /* Second, update the CORE voltage. */
 447         if (tps65910_voltage_update(CORE, TPS65910_OP_REG_SEL_1_1_0))
 448                 return;
 449
 450 }
 451
 452 void gpi2c_init(void)
 453 {
 454         /* When needed to be invoked prior to BSS initialization */
 455         static bool first_time = true;
 456
 457         if (first_time) {
 458                 enable_i2c0_pin_mux();
 459                 i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED,
 460                          CONFIG_SYS_OMAP24_I2C_SLAVE);
 461                 first_time = false;
 462         }
 463 }
 464
 465 void scale_vcores(void)
 466 {
 467         int freq;
 468
 469         gpi2c_init();
 470         freq = am335x_get_efuse_mpu_max_freq(cdev);
 471
 472         if (board_is_bone())
 473                 scale_vcores_bone(freq);
 474         else
 475                 scale_vcores_generic(freq);
 476 }
 477
 478 void set_uart_mux_conf(void)
 479 {
 480 #if CONFIG_CONS_INDEX == 1
 481         enable_uart0_pin_mux();
 482 #elif CONFIG_CONS_INDEX == 2
 483         enable_uart1_pin_mux();
 484 #elif CONFIG_CONS_INDEX == 3
 485         enable_uart2_pin_mux();
 486 #elif CONFIG_CONS_INDEX == 4
 487         enable_uart3_pin_mux();
 488 #elif CONFIG_CONS_INDEX == 5
 489         enable_uart4_pin_mux();
 490 #elif CONFIG_CONS_INDEX == 6
 491         enable_uart5_pin_mux();
 492 #endif
 493 }
 494
 495 void set_mux_conf_regs(void)
 496 {
 497         enable_board_pin_mux();
 498 }
 499
 500 const struct ctrl_ioregs ioregs_evmsk = {
 501         .cm0ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 502         .cm1ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 503         .cm2ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 504         .dt0ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 505         .dt1ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 506 };
 507
 508 const struct ctrl_ioregs ioregs_bonelt = {
 509         .cm0ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 510         .cm1ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 511         .cm2ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 512         .dt0ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 513         .dt1ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 514 };
 515
 516 const struct ctrl_ioregs ioregs_evm15 = {
 517         .cm0ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 518         .cm1ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 519         .cm2ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 520         .dt0ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 521         .dt1ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 522 };
 523
 524 const struct ctrl_ioregs ioregs = {
 525         .cm0ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 526         .cm1ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 527         .cm2ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 528         .dt0ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 529         .dt1ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 530 };
 531
 532 void sdram_init(void)
 533 {
 534         if (board_is_evm_sk()) {
 535                 /*
 536                  * EVM SK 1.2A and later use gpio0_7 to enable DDR3.
 537                  * This is safe enough to do on older revs.
 538                  */
 539                 gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
 540                 gpio_direction_output(GPIO_DDR_VTT_EN, 1);
 541         }
 542
 543         if (board_is_icev2()) {
 544                 gpio_request(ICE_GPIO_DDR_VTT_EN, "ddr_vtt_en");
 545                 gpio_direction_output(ICE_GPIO_DDR_VTT_EN, 1);
 546         }
 547
 548         if (board_is_evm_sk())
 549                 config_ddr(303, &ioregs_evmsk, &ddr3_data,
 550                            &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
 551         else if (board_is_bone_lt())
 552                 config_ddr(400, &ioregs_bonelt,
 553                            &ddr3_beagleblack_data,
 554                            &ddr3_beagleblack_cmd_ctrl_data,
 555                            &ddr3_beagleblack_emif_reg_data, 0);
 556         else if (board_is_evm_15_or_later())
 557                 config_ddr(303, &ioregs_evm15, &ddr3_evm_data,
 558                            &ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0);
 559         else if (board_is_icev2())
 560                 config_ddr(400, &ioregs_evmsk, &ddr3_icev2_data,
 561                            &ddr3_icev2_cmd_ctrl_data, &ddr3_icev2_emif_reg_data,
 562                            0);
 563         else if (board_is_gp_evm())
 564                 config_ddr(266, &ioregs, &ddr2_data,
 565                            &ddr2_cmd_ctrl_data, &ddr2_evm_emif_reg_data, 0);
 566         else
 567                 config_ddr(266, &ioregs, &ddr2_data,
 568                            &ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0);
 569 }
 570 #endif
 571
 572 #if !defined(CONFIG_SPL_BUILD) || \
 573         (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 574 static void request_and_set_gpio(int gpio, char *name, int val)
 575 {
 576         int ret;
 577
 578         ret = gpio_request(gpio, name);
 579         if (ret < 0) {
 580                 printf("%s: Unable to request %s\n", __func__, name);
 581                 return;
 582         }
 583
 584         ret = gpio_direction_output(gpio, 0);
 585         if (ret < 0) {
 586                 printf("%s: Unable to set %s  as output\n", __func__, name);
 587                 goto err_free_gpio;
 588         }
 589
 590         gpio_set_value(gpio, val);
 591
 592         return;
 593
 594 err_free_gpio:
 595         gpio_free(gpio);
 596 }
 597
 598 #define REQUEST_AND_SET_GPIO(N) request_and_set_gpio(N, #N, 1);
 599 #define REQUEST_AND_CLR_GPIO(N) request_and_set_gpio(N, #N, 0);
 600
 601 /**
 602  * RMII mode on ICEv2 board needs 50MHz clock. Given the clock
 603  * synthesizer With a capacitor of 18pF, and 25MHz input clock cycle
 604  * PLL1 gives an output of 100MHz. So, configuring the div2/3 as 2 to
 605  * give 50MHz output for Eth0 and 1.
 606  */
 607 static struct clk_synth cdce913_data = {
 608         .id = 0x81,
 609         .capacitor = 0x90,
 610         .mux = 0x6d,
 611         .pdiv2 = 0x2,
 612         .pdiv3 = 0x2,
 613 };
 614 #endif
 615
 616 /*
 617  * Basic board specific setup.  Pinmux has been handled already.
 618  */
 619 int board_init(void)
 620 {
 621 #if defined(CONFIG_HW_WATCHDOG)
 622         hw_watchdog_init();
 623 #endif
 624
 625         gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 626 #if defined(CONFIG_NOR) || defined(CONFIG_NAND)
 627         gpmc_init();
 628 #endif
 629
 630 #if !defined(CONFIG_SPL_BUILD) || \
 631         (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 632         if (board_is_icev2()) {
 633                 int rv;
 634                 u32 reg;
 635
 636                 REQUEST_AND_SET_GPIO(GPIO_PR1_MII_CTRL);
 637                 /* Make J19 status available on GPIO1_26 */
 638                 REQUEST_AND_CLR_GPIO(GPIO_MUX_MII_CTRL);
 639
 640                 REQUEST_AND_SET_GPIO(GPIO_FET_SWITCH_CTRL);
 641                 /*
 642                  * Both ports can be set as RMII-CPSW or MII-PRU-ETH using
 643                  * jumpers near the port. Read the jumper value and set
 644                  * the pinmux, external mux and PHY clock accordingly.
 645                  * As jumper line is overridden by PHY RX_DV pin immediately
 646                  * after bootstrap (power-up/reset), we need to sample
 647                  * it during PHY reset using GPIO rising edge detection.
 648                  */
 649                 REQUEST_AND_SET_GPIO(GPIO_PHY_RESET);
 650                 /* Enable rising edge IRQ on GPIO0_11 and GPIO 1_26 */
 651                 reg = readl(GPIO0_RISINGDETECT) | BIT(11);
 652                 writel(reg, GPIO0_RISINGDETECT);
 653                 reg = readl(GPIO1_RISINGDETECT) | BIT(26);
 654                 writel(reg, GPIO1_RISINGDETECT);
 655                 /* Reset PHYs to capture the Jumper setting */
 656                 gpio_set_value(GPIO_PHY_RESET, 0);
 657                 udelay(2);      /* PHY datasheet states 1uS min. */
 658                 gpio_set_value(GPIO_PHY_RESET, 1);
 659
 660                 reg = readl(GPIO0_IRQSTATUSRAW) & BIT(11);
 661                 if (reg) {
 662                         writel(reg, GPIO0_IRQSTATUS1); /* clear irq */
 663                         /* RMII mode */
 664                         printf("ETH0, CPSW\n");
 665                 } else {
 666                         /* MII mode */
 667                         printf("ETH0, PRU\n");
 668                         cdce913_data.pdiv3 = 4; /* 25MHz PHY clk */
 669                 }
 670
 671                 reg = readl(GPIO1_IRQSTATUSRAW) & BIT(26);
 672                 if (reg) {
 673                         writel(reg, GPIO1_IRQSTATUS1); /* clear irq */
 674                         /* RMII mode */
 675                         printf("ETH1, CPSW\n");
 676                         gpio_set_value(GPIO_MUX_MII_CTRL, 1);
 677                 } else {
 678                         /* MII mode */
 679                         printf("ETH1, PRU\n");
 680                         cdce913_data.pdiv2 = 4; /* 25MHz PHY clk */
 681                 }
 682
 683                 /* disable rising edge IRQs */
 684                 reg = readl(GPIO0_RISINGDETECT) & ~BIT(11);
 685                 writel(reg, GPIO0_RISINGDETECT);
 686                 reg = readl(GPIO1_RISINGDETECT) & ~BIT(26);
 687                 writel(reg, GPIO1_RISINGDETECT);
 688
 689                 rv = setup_clock_synthesizer(&cdce913_data);
 690                 if (rv) {
 691                         printf("Clock synthesizer setup failed %d\n", rv);
 692                         return rv;
 693                 }
 694
 695                 /* reset PHYs */
 696                 gpio_set_value(GPIO_PHY_RESET, 0);
 697                 udelay(2);      /* PHY datasheet states 1uS min. */
 698                 gpio_set_value(GPIO_PHY_RESET, 1);
 699         }
 700 #endif
 701
 702         return 0;
 703 }
 704
 705 #ifdef CONFIG_BOARD_LATE_INIT
 706 int board_late_init(void)
 707 {
 708 #if !defined(CONFIG_SPL_BUILD)
 709         uint8_t mac_addr[6];
 710         uint32_t mac_hi, mac_lo;
 711 #endif
 712
 713 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 714         char *name = NULL;
 715
 716         if (board_is_bone_lt()) {
 717                 /* BeagleBoard.org BeagleBone Black Wireless: */
 718                 if (!strncmp(board_ti_get_rev(), "BWA", 3)) {
 719                         name = "BBBW";
 720                 }
 721                 /* SeeedStudio BeagleBone Green Wireless */
 722                 if (!strncmp(board_ti_get_rev(), "GW1", 3)) {
 723                         name = "BBGW";
 724                 }
 725                 /* BeagleBoard.org BeagleBone Blue */
 726                 if (!strncmp(board_ti_get_rev(), "BLA", 3)) {
 727                         name = "BBBL";
 728                 }
 729         }
 730
 731         if (board_is_bbg1())
 732                 name = "BBG1";
 733         set_board_info_env(name);
 734
 735         /*
 736          * Default FIT boot on HS devices. Non FIT images are not allowed
 737          * on HS devices.
 738          */
 739         if (get_device_type() == HS_DEVICE)
 740                 setenv("boot_fit", "1");
 741 #endif
 742
 743 #if !defined(CONFIG_SPL_BUILD)
 744         /* try reading mac address from efuse */
 745         mac_lo = readl(&cdev->macid0l);
 746         mac_hi = readl(&cdev->macid0h);
 747         mac_addr[0] = mac_hi & 0xFF;
 748         mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 749         mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 750         mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 751         mac_addr[4] = mac_lo & 0xFF;
 752         mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 753
 754         if (!getenv("ethaddr")) {
 755                 printf("<ethaddr> not set. Validating first E-fuse MAC\n");
 756
 757                 if (is_valid_ethaddr(mac_addr))
 758                         eth_setenv_enetaddr("ethaddr", mac_addr);
 759         }
 760
 761         mac_lo = readl(&cdev->macid1l);
 762         mac_hi = readl(&cdev->macid1h);
 763         mac_addr[0] = mac_hi & 0xFF;
 764         mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 765         mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 766         mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 767         mac_addr[4] = mac_lo & 0xFF;
 768         mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 769
 770         if (!getenv("eth1addr")) {
 771                 if (is_valid_ethaddr(mac_addr))
 772                         eth_setenv_enetaddr("eth1addr", mac_addr);
 773         }
 774 #endif
 775
 776         return 0;
 777 }
 778 #endif
 779
 780 #ifndef CONFIG_DM_ETH
 781
 782 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
 783         (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 784 static void cpsw_control(int enabled)
 785 {
 786         /* VTP can be added here */
 787
 788         return;
 789 }
 790
 791 static struct cpsw_slave_data cpsw_slaves[] = {
 792         {
 793                 .slave_reg_ofs  = 0x208,
 794                 .sliver_reg_ofs = 0xd80,
 795                 .phy_addr       = 0,
 796         },
 797         {
 798                 .slave_reg_ofs  = 0x308,
 799                 .sliver_reg_ofs = 0xdc0,
 800                 .phy_addr       = 1,
 801         },
 802 };
 803
 804 static struct cpsw_platform_data cpsw_data = {
 805         .mdio_base              = CPSW_MDIO_BASE,
 806         .cpsw_base              = CPSW_BASE,
 807         .mdio_div               = 0xff,
 808         .channels               = 8,
 809         .cpdma_reg_ofs          = 0x800,
 810         .slaves                 = 1,
 811         .slave_data             = cpsw_slaves,
 812         .ale_reg_ofs            = 0xd00,
 813         .ale_entries            = 1024,
 814         .host_port_reg_ofs      = 0x108,
 815         .hw_stats_reg_ofs       = 0x900,
 816         .bd_ram_ofs             = 0x2000,
 817         .mac_control            = (1 << 5),
 818         .control                = cpsw_control,
 819         .host_port_num          = 0,
 820         .version                = CPSW_CTRL_VERSION_2,
 821 };
 822 #endif
 823
 824 #if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) &&\
 825         defined(CONFIG_SPL_BUILD)) || \
 826         ((defined(CONFIG_DRIVER_TI_CPSW) || \
 827           defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
 828          !defined(CONFIG_SPL_BUILD))
 829
 830 /*
 831  * This function will:
 832  * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
 833  * in the environment
 834  * Perform fixups to the PHY present on certain boards.  We only need this
 835  * function in:
 836  * - SPL with either CPSW or USB ethernet support
 837  * - Full U-Boot, with either CPSW or USB ethernet
 838  * Build in only these cases to avoid warnings about unused variables
 839  * when we build an SPL that has neither option but full U-Boot will.
 840  */
 841 int board_eth_init(bd_t *bis)
 842 {
 843         int rv, n = 0;
 844 #if defined(CONFIG_USB_ETHER) && \
 845         (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
 846         uint8_t mac_addr[6];
 847         uint32_t mac_hi, mac_lo;
 848
 849         /*
 850          * use efuse mac address for USB ethernet as we know that
 851          * both CPSW and USB ethernet will never be active at the same time
 852          */
 853         mac_lo = readl(&cdev->macid0l);
 854         mac_hi = readl(&cdev->macid0h);
 855         mac_addr[0] = mac_hi & 0xFF;
 856         mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 857         mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 858         mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 859         mac_addr[4] = mac_lo & 0xFF;
 860         mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 861 #endif
 862
 863
 864 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
 865         (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 866
 867 #ifdef CONFIG_DRIVER_TI_CPSW
 868         if (board_is_bone() || board_is_bone_lt() ||
 869             board_is_idk()) {
 870                 writel(MII_MODE_ENABLE, &cdev->miisel);
 871                 cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
 872                                 PHY_INTERFACE_MODE_MII;
 873         } else if (board_is_icev2()) {
 874                 writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
 875                 cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
 876                 cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_RMII;
 877                 cpsw_slaves[0].phy_addr = 1;
 878                 cpsw_slaves[1].phy_addr = 3;
 879         } else {
 880                 writel((RGMII_MODE_ENABLE | RGMII_INT_DELAY), &cdev->miisel);
 881                 cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
 882                                 PHY_INTERFACE_MODE_RGMII;
 883         }
 884
 885         rv = cpsw_register(&cpsw_data);
 886         if (rv < 0)
 887                 printf("Error %d registering CPSW switch\n", rv);
 888         else
 889                 n += rv;
 890 #endif
 891
 892         /*
 893          *
 894          * CPSW RGMII Internal Delay Mode is not supported in all PVT
 895          * operating points.  So we must set the TX clock delay feature
 896          * in the AR8051 PHY.  Since we only support a single ethernet
 897          * device in U-Boot, we only do this for the first instance.
 898          */
 899 #define AR8051_PHY_DEBUG_ADDR_REG       0x1d
 900 #define AR8051_PHY_DEBUG_DATA_REG       0x1e
 901 #define AR8051_DEBUG_RGMII_CLK_DLY_REG  0x5
 902 #define AR8051_RGMII_TX_CLK_DLY         0x100
 903
 904         if (board_is_evm_sk() || board_is_gp_evm()) {
 905                 const char *devname;
 906                 devname = miiphy_get_current_dev();
 907
 908                 miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_ADDR_REG,
 909                                 AR8051_DEBUG_RGMII_CLK_DLY_REG);
 910                 miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_DATA_REG,
 911                                 AR8051_RGMII_TX_CLK_DLY);
 912         }
 913 #endif
 914 #if defined(CONFIG_USB_ETHER) && \
 915         (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
 916         if (is_valid_ethaddr(mac_addr))
 917                 eth_setenv_enetaddr("usbnet_devaddr", mac_addr);
 918
 919         rv = usb_eth_initialize(bis);
 920         if (rv < 0)
 921                 printf("Error %d registering USB_ETHER\n", rv);
 922         else
 923                 n += rv;
 924 #endif
 925         return n;
 926 }
 927 #endif
 928
 929 #endif /* CONFIG_DM_ETH */
 930
 931 #ifdef CONFIG_SPL_LOAD_FIT
 932 int board_fit_config_name_match(const char *name)
 933 {
 934         if (board_is_gp_evm() && !strcmp(name, "am335x-evm"))
 935                 return 0;
 936         else if (board_is_bone() && !strcmp(name, "am335x-bone"))
 937                 return 0;
 938         else if (board_is_bone_lt() && !strcmp(name, "am335x-boneblack"))
 939                 return 0;
 940         else if (board_is_evm_sk() && !strcmp(name, "am335x-evmsk"))
 941                 return 0;
 942         else if (board_is_bbg1() && !strcmp(name, "am335x-bonegreen"))
 943                 return 0;
 944         else if (board_is_icev2() && !strcmp(name, "am335x-icev2"))
 945                 return 0;
 946         else
 947                 return -1;
 948 }
 949 #endif
 950
 951 #ifdef CONFIG_TI_SECURE_DEVICE
 952 void board_fit_image_post_process(void **p_image, size_t *p_size)
 953 {
 954         secure_boot_verify_image(p_image, p_size);
 955 }
 956 #endif
 957
 958 #if !CONFIG_IS_ENABLED(OF_CONTROL)
 959 static const struct omap_hsmmc_plat am335x_mmc0_platdata = {
 960         .base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE,
 961         .cfg.host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_4BIT,
 962         .cfg.f_min = 400000,
 963         .cfg.f_max = 52000000,
 964         .cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195,
 965         .cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT,
 966 };
 967
 968 U_BOOT_DEVICE(am335x_mmc0) = {
 969         .name = "omap_hsmmc",
 970         .platdata = &am335x_mmc0_platdata,
 971 };
 972
 973 static const struct omap_hsmmc_plat am335x_mmc1_platdata = {
 974         .base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE,
 975         .cfg.host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_8BIT,
 976         .cfg.f_min = 400000,
 977         .cfg.f_max = 52000000,
 978         .cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195,
 979         .cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT,
 980 };
 981
 982 U_BOOT_DEVICE(am335x_mmc1) = {
 983         .name = "omap_hsmmc",
 984         .platdata = &am335x_mmc1_platdata,
 985 };
 986 #endif