git.sur5r.net Git - u-boot/blob - 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 <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_sec_common.h>
  29 #include <i2c.h>
  30 #include <miiphy.h>
  31 #include <cpsw.h>
  32 #include <power/tps65217.h>
  33 #include <power/tps65910.h>
  34 #include <environment.h>
  35 #include <watchdog.h>
  36 #include <environment.h>
  37 #include "../common/board_detect.h"
  38 #include "board.h"
  39
  40 DECLARE_GLOBAL_DATA_PTR;
  41
  42 /* GPIO that controls power to DDR on EVM-SK */
  43 #define GPIO_TO_PIN(bank, gpio)         (32 * (bank) + (gpio))
  44 #define GPIO_DDR_VTT_EN         GPIO_TO_PIN(0, 7)
  45 #define ICE_GPIO_DDR_VTT_EN     GPIO_TO_PIN(0, 18)
  46 #define GPIO_PR1_MII_CTRL       GPIO_TO_PIN(3, 4)
  47 #define GPIO_MUX_MII_CTRL       GPIO_TO_PIN(3, 10)
  48 #define GPIO_FET_SWITCH_CTRL    GPIO_TO_PIN(0, 7)
  49 #define GPIO_PHY_RESET          GPIO_TO_PIN(2, 5)
  50 #define GPIO_ETH0_MODE          GPIO_TO_PIN(0, 11)
  51 #define GPIO_ETH1_MODE          GPIO_TO_PIN(1, 26)
  52
  53 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
  54
  55 #define GPIO0_RISINGDETECT      (AM33XX_GPIO0_BASE + OMAP_GPIO_RISINGDETECT)
  56 #define GPIO1_RISINGDETECT      (AM33XX_GPIO1_BASE + OMAP_GPIO_RISINGDETECT)
  57
  58 #define GPIO0_IRQSTATUS1        (AM33XX_GPIO0_BASE + OMAP_GPIO_IRQSTATUS1)
  59 #define GPIO1_IRQSTATUS1        (AM33XX_GPIO1_BASE + OMAP_GPIO_IRQSTATUS1)
  60
  61 #define GPIO0_IRQSTATUSRAW      (AM33XX_GPIO0_BASE + 0x024)
  62 #define GPIO1_IRQSTATUSRAW      (AM33XX_GPIO1_BASE + 0x024)
  63
  64 /*
  65  * Read header information from EEPROM into global structure.
  66  */
  67 #ifdef CONFIG_TI_I2C_BOARD_DETECT
  68 void do_board_detect(void)
  69 {
  70         enable_i2c0_pin_mux();
  71         i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
  72
  73         if (ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR))
  74                 printf("ti_i2c_eeprom_init failed\n");
  75 }
  76 #endif
  77
  78 #ifndef CONFIG_DM_SERIAL
  79 struct serial_device *default_serial_console(void)
  80 {
  81         if (board_is_icev2())
  82                 return &eserial4_device;
  83         else
  84                 return &eserial1_device;
  85 }
  86 #endif
  87
  88 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
  89 static const struct ddr_data ddr2_data = {
  90         .datardsratio0 = MT47H128M16RT25E_RD_DQS,
  91         .datafwsratio0 = MT47H128M16RT25E_PHY_FIFO_WE,
  92         .datawrsratio0 = MT47H128M16RT25E_PHY_WR_DATA,
  93 };
  94
  95 static const struct cmd_control ddr2_cmd_ctrl_data = {
  96         .cmd0csratio = MT47H128M16RT25E_RATIO,
  97
  98         .cmd1csratio = MT47H128M16RT25E_RATIO,
  99
 100         .cmd2csratio = MT47H128M16RT25E_RATIO,
 101 };
 102
 103 static const struct emif_regs ddr2_emif_reg_data = {
 104         .sdram_config = MT47H128M16RT25E_EMIF_SDCFG,
 105         .ref_ctrl = MT47H128M16RT25E_EMIF_SDREF,
 106         .sdram_tim1 = MT47H128M16RT25E_EMIF_TIM1,
 107         .sdram_tim2 = MT47H128M16RT25E_EMIF_TIM2,
 108         .sdram_tim3 = MT47H128M16RT25E_EMIF_TIM3,
 109         .emif_ddr_phy_ctlr_1 = MT47H128M16RT25E_EMIF_READ_LATENCY,
 110 };
 111
 112 static const struct ddr_data ddr3_data = {
 113         .datardsratio0 = MT41J128MJT125_RD_DQS,
 114         .datawdsratio0 = MT41J128MJT125_WR_DQS,
 115         .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE,
 116         .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA,
 117 };
 118
 119 static const struct ddr_data ddr3_beagleblack_data = {
 120         .datardsratio0 = MT41K256M16HA125E_RD_DQS,
 121         .datawdsratio0 = MT41K256M16HA125E_WR_DQS,
 122         .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
 123         .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
 124 };
 125
 126 static const struct ddr_data ddr3_evm_data = {
 127         .datardsratio0 = MT41J512M8RH125_RD_DQS,
 128         .datawdsratio0 = MT41J512M8RH125_WR_DQS,
 129         .datafwsratio0 = MT41J512M8RH125_PHY_FIFO_WE,
 130         .datawrsratio0 = MT41J512M8RH125_PHY_WR_DATA,
 131 };
 132
 133 static const struct ddr_data ddr3_icev2_data = {
 134         .datardsratio0 = MT41J128MJT125_RD_DQS_400MHz,
 135         .datawdsratio0 = MT41J128MJT125_WR_DQS_400MHz,
 136         .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE_400MHz,
 137         .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA_400MHz,
 138 };
 139
 140 static const struct cmd_control ddr3_cmd_ctrl_data = {
 141         .cmd0csratio = MT41J128MJT125_RATIO,
 142         .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT,
 143
 144         .cmd1csratio = MT41J128MJT125_RATIO,
 145         .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT,
 146
 147         .cmd2csratio = MT41J128MJT125_RATIO,
 148         .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT,
 149 };
 150
 151 static const struct cmd_control ddr3_beagleblack_cmd_ctrl_data = {
 152         .cmd0csratio = MT41K256M16HA125E_RATIO,
 153         .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 154
 155         .cmd1csratio = MT41K256M16HA125E_RATIO,
 156         .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 157
 158         .cmd2csratio = MT41K256M16HA125E_RATIO,
 159         .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 160 };
 161
 162 static const struct cmd_control ddr3_evm_cmd_ctrl_data = {
 163         .cmd0csratio = MT41J512M8RH125_RATIO,
 164         .cmd0iclkout = MT41J512M8RH125_INVERT_CLKOUT,
 165
 166         .cmd1csratio = MT41J512M8RH125_RATIO,
 167         .cmd1iclkout = MT41J512M8RH125_INVERT_CLKOUT,
 168
 169         .cmd2csratio = MT41J512M8RH125_RATIO,
 170         .cmd2iclkout = MT41J512M8RH125_INVERT_CLKOUT,
 171 };
 172
 173 static const struct cmd_control ddr3_icev2_cmd_ctrl_data = {
 174         .cmd0csratio = MT41J128MJT125_RATIO_400MHz,
 175         .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
 176
 177         .cmd1csratio = MT41J128MJT125_RATIO_400MHz,
 178         .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
 179
 180         .cmd2csratio = MT41J128MJT125_RATIO_400MHz,
 181         .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
 182 };
 183
 184 static struct emif_regs ddr3_emif_reg_data = {
 185         .sdram_config = MT41J128MJT125_EMIF_SDCFG,
 186         .ref_ctrl = MT41J128MJT125_EMIF_SDREF,
 187         .sdram_tim1 = MT41J128MJT125_EMIF_TIM1,
 188         .sdram_tim2 = MT41J128MJT125_EMIF_TIM2,
 189         .sdram_tim3 = MT41J128MJT125_EMIF_TIM3,
 190         .zq_config = MT41J128MJT125_ZQ_CFG,
 191         .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY |
 192                                 PHY_EN_DYN_PWRDN,
 193 };
 194
 195 static struct emif_regs ddr3_beagleblack_emif_reg_data = {
 196         .sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
 197         .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
 198         .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
 199         .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
 200         .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
 201         .zq_config = MT41K256M16HA125E_ZQ_CFG,
 202         .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
 203 };
 204
 205 static struct emif_regs ddr3_evm_emif_reg_data = {
 206         .sdram_config = MT41J512M8RH125_EMIF_SDCFG,
 207         .ref_ctrl = MT41J512M8RH125_EMIF_SDREF,
 208         .sdram_tim1 = MT41J512M8RH125_EMIF_TIM1,
 209         .sdram_tim2 = MT41J512M8RH125_EMIF_TIM2,
 210         .sdram_tim3 = MT41J512M8RH125_EMIF_TIM3,
 211         .zq_config = MT41J512M8RH125_ZQ_CFG,
 212         .emif_ddr_phy_ctlr_1 = MT41J512M8RH125_EMIF_READ_LATENCY |
 213                                 PHY_EN_DYN_PWRDN,
 214 };
 215
 216 static struct emif_regs ddr3_icev2_emif_reg_data = {
 217         .sdram_config = MT41J128MJT125_EMIF_SDCFG_400MHz,
 218         .ref_ctrl = MT41J128MJT125_EMIF_SDREF_400MHz,
 219         .sdram_tim1 = MT41J128MJT125_EMIF_TIM1_400MHz,
 220         .sdram_tim2 = MT41J128MJT125_EMIF_TIM2_400MHz,
 221         .sdram_tim3 = MT41J128MJT125_EMIF_TIM3_400MHz,
 222         .zq_config = MT41J128MJT125_ZQ_CFG_400MHz,
 223         .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY_400MHz |
 224                                 PHY_EN_DYN_PWRDN,
 225 };
 226
 227 #ifdef CONFIG_SPL_OS_BOOT
 228 int spl_start_uboot(void)
 229 {
 230         /* break into full u-boot on 'c' */
 231         if (serial_tstc() && serial_getc() == 'c')
 232                 return 1;
 233
 234 #ifdef CONFIG_SPL_ENV_SUPPORT
 235         env_init();
 236         env_relocate_spec();
 237         if (getenv_yesno("boot_os") != 1)
 238                 return 1;
 239 #endif
 240
 241         return 0;
 242 }
 243 #endif
 244
 245 #define OSC     (V_OSCK/1000000)
 246 const struct dpll_params dpll_ddr = {
 247                 266, OSC-1, 1, -1, -1, -1, -1};
 248 const struct dpll_params dpll_ddr_evm_sk = {
 249                 303, OSC-1, 1, -1, -1, -1, -1};
 250 const struct dpll_params dpll_ddr_bone_black = {
 251                 400, OSC-1, 1, -1, -1, -1, -1};
 252
 253 void am33xx_spl_board_init(void)
 254 {
 255         int mpu_vdd;
 256
 257         /* Get the frequency */
 258         dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
 259
 260         if (board_is_bone() || board_is_bone_lt()) {
 261                 /* BeagleBone PMIC Code */
 262                 int usb_cur_lim;
 263
 264                 /*
 265                  * Only perform PMIC configurations if board rev > A1
 266                  * on Beaglebone White
 267                  */
 268                 if (board_is_bone() && !strncmp(board_ti_get_rev(), "00A1", 4))
 269                         return;
 270
 271                 if (i2c_probe(TPS65217_CHIP_PM))
 272                         return;
 273
 274                 /*
 275                  * On Beaglebone White we need to ensure we have AC power
 276                  * before increasing the frequency.
 277                  */
 278                 if (board_is_bone()) {
 279                         uchar pmic_status_reg;
 280                         if (tps65217_reg_read(TPS65217_STATUS,
 281                                               &pmic_status_reg))
 282                                 return;
 283                         if (!(pmic_status_reg & TPS65217_PWR_SRC_AC_BITMASK)) {
 284                                 puts("No AC power, disabling frequency switch\n");
 285                                 return;
 286                         }
 287                 }
 288
 289                 /*
 290                  * Override what we have detected since we know if we have
 291                  * a Beaglebone Black it supports 1GHz.
 292                  */
 293                 if (board_is_bone_lt())
 294                         dpll_mpu_opp100.m = MPUPLL_M_1000;
 295
 296                 /*
 297                  * Increase USB current limit to 1300mA or 1800mA and set
 298                  * the MPU voltage controller as needed.
 299                  */
 300                 if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
 301                         usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
 302                         mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
 303                 } else {
 304                         usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
 305                         mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
 306                 }
 307
 308                 if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
 309                                        TPS65217_POWER_PATH,
 310                                        usb_cur_lim,
 311                                        TPS65217_USB_INPUT_CUR_LIMIT_MASK))
 312                         puts("tps65217_reg_write failure\n");
 313
 314                 /* Set DCDC3 (CORE) voltage to 1.125V */
 315                 if (tps65217_voltage_update(TPS65217_DEFDCDC3,
 316                                             TPS65217_DCDC_VOLT_SEL_1125MV)) {
 317                         puts("tps65217_voltage_update failure\n");
 318                         return;
 319                 }
 320
 321                 /* Set CORE Frequencies to OPP100 */
 322                 do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
 323
 324                 /* Set DCDC2 (MPU) voltage */
 325                 if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
 326                         puts("tps65217_voltage_update failure\n");
 327                         return;
 328                 }
 329
 330                 /*
 331                  * Set LDO3, LDO4 output voltage to 3.3V for Beaglebone.
 332                  * Set LDO3 to 1.8V and LDO4 to 3.3V for Beaglebone Black.
 333                  */
 334                 if (board_is_bone()) {
 335                         if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 336                                                TPS65217_DEFLS1,
 337                                                TPS65217_LDO_VOLTAGE_OUT_3_3,
 338                                                TPS65217_LDO_MASK))
 339                                 puts("tps65217_reg_write failure\n");
 340                 } else {
 341                         if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 342                                                TPS65217_DEFLS1,
 343                                                TPS65217_LDO_VOLTAGE_OUT_1_8,
 344                                                TPS65217_LDO_MASK))
 345                                 puts("tps65217_reg_write failure\n");
 346                 }
 347
 348                 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 349                                        TPS65217_DEFLS2,
 350                                        TPS65217_LDO_VOLTAGE_OUT_3_3,
 351                                        TPS65217_LDO_MASK))
 352                         puts("tps65217_reg_write failure\n");
 353         } else {
 354                 int sil_rev;
 355
 356                 /*
 357                  * The GP EVM, IDK and EVM SK use a TPS65910 PMIC.  For all
 358                  * MPU frequencies we support we use a CORE voltage of
 359                  * 1.1375V.  For MPU voltage we need to switch based on
 360                  * the frequency we are running at.
 361                  */
 362                 if (i2c_probe(TPS65910_CTRL_I2C_ADDR))
 363                         return;
 364
 365                 /*
 366                  * Depending on MPU clock and PG we will need a different
 367                  * VDD to drive at that speed.
 368                  */
 369                 sil_rev = readl(&cdev->deviceid) >> 28;
 370                 mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev,
 371                                                       dpll_mpu_opp100.m);
 372
 373                 /* Tell the TPS65910 to use i2c */
 374                 tps65910_set_i2c_control();
 375
 376                 /* First update MPU voltage. */
 377                 if (tps65910_voltage_update(MPU, mpu_vdd))
 378                         return;
 379
 380                 /* Second, update the CORE voltage. */
 381                 if (tps65910_voltage_update(CORE, TPS65910_OP_REG_SEL_1_1_3))
 382                         return;
 383
 384                 /* Set CORE Frequencies to OPP100 */
 385                 do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
 386         }
 387
 388         /* Set MPU Frequency to what we detected now that voltages are set */
 389         do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
 390 }
 391
 392 const struct dpll_params *get_dpll_ddr_params(void)
 393 {
 394         if (board_is_evm_sk())
 395                 return &dpll_ddr_evm_sk;
 396         else if (board_is_bone_lt() || board_is_icev2())
 397                 return &dpll_ddr_bone_black;
 398         else if (board_is_evm_15_or_later())
 399                 return &dpll_ddr_evm_sk;
 400         else
 401                 return &dpll_ddr;
 402 }
 403
 404 void set_uart_mux_conf(void)
 405 {
 406 #if CONFIG_CONS_INDEX == 1
 407         enable_uart0_pin_mux();
 408 #elif CONFIG_CONS_INDEX == 2
 409         enable_uart1_pin_mux();
 410 #elif CONFIG_CONS_INDEX == 3
 411         enable_uart2_pin_mux();
 412 #elif CONFIG_CONS_INDEX == 4
 413         enable_uart3_pin_mux();
 414 #elif CONFIG_CONS_INDEX == 5
 415         enable_uart4_pin_mux();
 416 #elif CONFIG_CONS_INDEX == 6
 417         enable_uart5_pin_mux();
 418 #endif
 419 }
 420
 421 void set_mux_conf_regs(void)
 422 {
 423         enable_board_pin_mux();
 424 }
 425
 426 const struct ctrl_ioregs ioregs_evmsk = {
 427         .cm0ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 428         .cm1ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 429         .cm2ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 430         .dt0ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 431         .dt1ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 432 };
 433
 434 const struct ctrl_ioregs ioregs_bonelt = {
 435         .cm0ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 436         .cm1ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 437         .cm2ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 438         .dt0ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 439         .dt1ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 440 };
 441
 442 const struct ctrl_ioregs ioregs_evm15 = {
 443         .cm0ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 444         .cm1ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 445         .cm2ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 446         .dt0ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 447         .dt1ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 448 };
 449
 450 const struct ctrl_ioregs ioregs = {
 451         .cm0ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 452         .cm1ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 453         .cm2ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 454         .dt0ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 455         .dt1ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 456 };
 457
 458 void sdram_init(void)
 459 {
 460         if (board_is_evm_sk()) {
 461                 /*
 462                  * EVM SK 1.2A and later use gpio0_7 to enable DDR3.
 463                  * This is safe enough to do on older revs.
 464                  */
 465                 gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
 466                 gpio_direction_output(GPIO_DDR_VTT_EN, 1);
 467         }
 468
 469         if (board_is_icev2()) {
 470                 gpio_request(ICE_GPIO_DDR_VTT_EN, "ddr_vtt_en");
 471                 gpio_direction_output(ICE_GPIO_DDR_VTT_EN, 1);
 472         }
 473
 474         if (board_is_evm_sk())
 475                 config_ddr(303, &ioregs_evmsk, &ddr3_data,
 476                            &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
 477         else if (board_is_bone_lt())
 478                 config_ddr(400, &ioregs_bonelt,
 479                            &ddr3_beagleblack_data,
 480                            &ddr3_beagleblack_cmd_ctrl_data,
 481                            &ddr3_beagleblack_emif_reg_data, 0);
 482         else if (board_is_evm_15_or_later())
 483                 config_ddr(303, &ioregs_evm15, &ddr3_evm_data,
 484                            &ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0);
 485         else if (board_is_icev2())
 486                 config_ddr(400, &ioregs_evmsk, &ddr3_icev2_data,
 487                            &ddr3_icev2_cmd_ctrl_data, &ddr3_icev2_emif_reg_data,
 488                            0);
 489         else
 490                 config_ddr(266, &ioregs, &ddr2_data,
 491                            &ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0);
 492 }
 493 #endif
 494
 495 #if !defined(CONFIG_SPL_BUILD) || \
 496         (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 497 static void request_and_set_gpio(int gpio, char *name, int val)
 498 {
 499         int ret;
 500
 501         ret = gpio_request(gpio, name);
 502         if (ret < 0) {
 503                 printf("%s: Unable to request %s\n", __func__, name);
 504                 return;
 505         }
 506
 507         ret = gpio_direction_output(gpio, 0);
 508         if (ret < 0) {
 509                 printf("%s: Unable to set %s  as output\n", __func__, name);
 510                 goto err_free_gpio;
 511         }
 512
 513         gpio_set_value(gpio, val);
 514
 515         return;
 516
 517 err_free_gpio:
 518         gpio_free(gpio);
 519 }
 520
 521 #define REQUEST_AND_SET_GPIO(N) request_and_set_gpio(N, #N, 1);
 522 #define REQUEST_AND_CLR_GPIO(N) request_and_set_gpio(N, #N, 0);
 523
 524 /**
 525  * RMII mode on ICEv2 board needs 50MHz clock. Given the clock
 526  * synthesizer With a capacitor of 18pF, and 25MHz input clock cycle
 527  * PLL1 gives an output of 100MHz. So, configuring the div2/3 as 2 to
 528  * give 50MHz output for Eth0 and 1.
 529  */
 530 static struct clk_synth cdce913_data = {
 531         .id = 0x81,
 532         .capacitor = 0x90,
 533         .mux = 0x6d,
 534         .pdiv2 = 0x2,
 535         .pdiv3 = 0x2,
 536 };
 537 #endif
 538
 539 /*
 540  * Basic board specific setup.  Pinmux has been handled already.
 541  */
 542 int board_init(void)
 543 {
 544 #if defined(CONFIG_HW_WATCHDOG)
 545         hw_watchdog_init();
 546 #endif
 547
 548         gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 549 #if defined(CONFIG_NOR) || defined(CONFIG_NAND)
 550         gpmc_init();
 551 #endif
 552
 553 #if !defined(CONFIG_SPL_BUILD) || \
 554         (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 555         if (board_is_icev2()) {
 556                 int rv;
 557                 u32 reg;
 558
 559                 REQUEST_AND_SET_GPIO(GPIO_PR1_MII_CTRL);
 560                 /* Make J19 status available on GPIO1_26 */
 561                 REQUEST_AND_CLR_GPIO(GPIO_MUX_MII_CTRL);
 562
 563                 REQUEST_AND_SET_GPIO(GPIO_FET_SWITCH_CTRL);
 564                 /*
 565                  * Both ports can be set as RMII-CPSW or MII-PRU-ETH using
 566                  * jumpers near the port. Read the jumper value and set
 567                  * the pinmux, external mux and PHY clock accordingly.
 568                  * As jumper line is overridden by PHY RX_DV pin immediately
 569                  * after bootstrap (power-up/reset), we need to sample
 570                  * it during PHY reset using GPIO rising edge detection.
 571                  */
 572                 REQUEST_AND_SET_GPIO(GPIO_PHY_RESET);
 573                 /* Enable rising edge IRQ on GPIO0_11 and GPIO 1_26 */
 574                 reg = readl(GPIO0_RISINGDETECT) | BIT(11);
 575                 writel(reg, GPIO0_RISINGDETECT);
 576                 reg = readl(GPIO1_RISINGDETECT) | BIT(26);
 577                 writel(reg, GPIO1_RISINGDETECT);
 578                 /* Reset PHYs to capture the Jumper setting */
 579                 gpio_set_value(GPIO_PHY_RESET, 0);
 580                 udelay(2);      /* PHY datasheet states 1uS min. */
 581                 gpio_set_value(GPIO_PHY_RESET, 1);
 582
 583                 reg = readl(GPIO0_IRQSTATUSRAW) & BIT(11);
 584                 if (reg) {
 585                         writel(reg, GPIO0_IRQSTATUS1); /* clear irq */
 586                         /* RMII mode */
 587                         printf("ETH0, CPSW\n");
 588                 } else {
 589                         /* MII mode */
 590                         printf("ETH0, PRU\n");
 591                         cdce913_data.pdiv3 = 4; /* 25MHz PHY clk */
 592                 }
 593
 594                 reg = readl(GPIO1_IRQSTATUSRAW) & BIT(26);
 595                 if (reg) {
 596                         writel(reg, GPIO1_IRQSTATUS1); /* clear irq */
 597                         /* RMII mode */
 598                         printf("ETH1, CPSW\n");
 599                         gpio_set_value(GPIO_MUX_MII_CTRL, 1);
 600                 } else {
 601                         /* MII mode */
 602                         printf("ETH1, PRU\n");
 603                         cdce913_data.pdiv2 = 4; /* 25MHz PHY clk */
 604                 }
 605
 606                 /* disable rising edge IRQs */
 607                 reg = readl(GPIO0_RISINGDETECT) & ~BIT(11);
 608                 writel(reg, GPIO0_RISINGDETECT);
 609                 reg = readl(GPIO1_RISINGDETECT) & ~BIT(26);
 610                 writel(reg, GPIO1_RISINGDETECT);
 611
 612                 rv = setup_clock_synthesizer(&cdce913_data);
 613                 if (rv) {
 614                         printf("Clock synthesizer setup failed %d\n", rv);
 615                         return rv;
 616                 }
 617
 618                 /* reset PHYs */
 619                 gpio_set_value(GPIO_PHY_RESET, 0);
 620                 udelay(2);      /* PHY datasheet states 1uS min. */
 621                 gpio_set_value(GPIO_PHY_RESET, 1);
 622         }
 623 #endif
 624
 625         return 0;
 626 }
 627
 628 #ifdef CONFIG_BOARD_LATE_INIT
 629 int board_late_init(void)
 630 {
 631 #if !defined(CONFIG_SPL_BUILD)
 632         uint8_t mac_addr[6];
 633         uint32_t mac_hi, mac_lo;
 634 #endif
 635
 636 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 637         char *name = NULL;
 638
 639         if (board_is_bbg1())
 640                 name = "BBG1";
 641         set_board_info_env(name);
 642
 643         /*
 644          * Default FIT boot on HS devices. Non FIT images are not allowed
 645          * on HS devices.
 646          */
 647         if (get_device_type() == HS_DEVICE)
 648                 setenv("boot_fit", "1");
 649 #endif
 650
 651 #if !defined(CONFIG_SPL_BUILD)
 652         /* try reading mac address from efuse */
 653         mac_lo = readl(&cdev->macid0l);
 654         mac_hi = readl(&cdev->macid0h);
 655         mac_addr[0] = mac_hi & 0xFF;
 656         mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 657         mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 658         mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 659         mac_addr[4] = mac_lo & 0xFF;
 660         mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 661
 662         if (!getenv("ethaddr")) {
 663                 printf("<ethaddr> not set. Validating first E-fuse MAC\n");
 664
 665                 if (is_valid_ethaddr(mac_addr))
 666                         eth_setenv_enetaddr("ethaddr", mac_addr);
 667         }
 668
 669         mac_lo = readl(&cdev->macid1l);
 670         mac_hi = readl(&cdev->macid1h);
 671         mac_addr[0] = mac_hi & 0xFF;
 672         mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 673         mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 674         mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 675         mac_addr[4] = mac_lo & 0xFF;
 676         mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 677
 678         if (!getenv("eth1addr")) {
 679                 if (is_valid_ethaddr(mac_addr))
 680                         eth_setenv_enetaddr("eth1addr", mac_addr);
 681         }
 682 #endif
 683
 684         return 0;
 685 }
 686 #endif
 687
 688 #ifndef CONFIG_DM_ETH
 689
 690 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
 691         (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 692 static void cpsw_control(int enabled)
 693 {
 694         /* VTP can be added here */
 695
 696         return;
 697 }
 698
 699 static struct cpsw_slave_data cpsw_slaves[] = {
 700         {
 701                 .slave_reg_ofs  = 0x208,
 702                 .sliver_reg_ofs = 0xd80,
 703                 .phy_addr       = 0,
 704         },
 705         {
 706                 .slave_reg_ofs  = 0x308,
 707                 .sliver_reg_ofs = 0xdc0,
 708                 .phy_addr       = 1,
 709         },
 710 };
 711
 712 static struct cpsw_platform_data cpsw_data = {
 713         .mdio_base              = CPSW_MDIO_BASE,
 714         .cpsw_base              = CPSW_BASE,
 715         .mdio_div               = 0xff,
 716         .channels               = 8,
 717         .cpdma_reg_ofs          = 0x800,
 718         .slaves                 = 1,
 719         .slave_data             = cpsw_slaves,
 720         .ale_reg_ofs            = 0xd00,
 721         .ale_entries            = 1024,
 722         .host_port_reg_ofs      = 0x108,
 723         .hw_stats_reg_ofs       = 0x900,
 724         .bd_ram_ofs             = 0x2000,
 725         .mac_control            = (1 << 5),
 726         .control                = cpsw_control,
 727         .host_port_num          = 0,
 728         .version                = CPSW_CTRL_VERSION_2,
 729 };
 730 #endif
 731
 732 #if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) &&\
 733         defined(CONFIG_SPL_BUILD)) || \
 734         ((defined(CONFIG_DRIVER_TI_CPSW) || \
 735           defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
 736          !defined(CONFIG_SPL_BUILD))
 737
 738 /*
 739  * This function will:
 740  * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
 741  * in the environment
 742  * Perform fixups to the PHY present on certain boards.  We only need this
 743  * function in:
 744  * - SPL with either CPSW or USB ethernet support
 745  * - Full U-Boot, with either CPSW or USB ethernet
 746  * Build in only these cases to avoid warnings about unused variables
 747  * when we build an SPL that has neither option but full U-Boot will.
 748  */
 749 int board_eth_init(bd_t *bis)
 750 {
 751         int rv, n = 0;
 752 #if defined(CONFIG_USB_ETHER) && \
 753         (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
 754         uint8_t mac_addr[6];
 755         uint32_t mac_hi, mac_lo;
 756
 757         /*
 758          * use efuse mac address for USB ethernet as we know that
 759          * both CPSW and USB ethernet will never be active at the same time
 760          */
 761         mac_lo = readl(&cdev->macid0l);
 762         mac_hi = readl(&cdev->macid0h);
 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 #endif
 770
 771
 772 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
 773         (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 774
 775 #ifdef CONFIG_DRIVER_TI_CPSW
 776         if (board_is_bone() || board_is_bone_lt() ||
 777             board_is_idk()) {
 778                 writel(MII_MODE_ENABLE, &cdev->miisel);
 779                 cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
 780                                 PHY_INTERFACE_MODE_MII;
 781         } else if (board_is_icev2()) {
 782                 writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
 783                 cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
 784                 cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_RMII;
 785                 cpsw_slaves[0].phy_addr = 1;
 786                 cpsw_slaves[1].phy_addr = 3;
 787         } else {
 788                 writel((RGMII_MODE_ENABLE | RGMII_INT_DELAY), &cdev->miisel);
 789                 cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
 790                                 PHY_INTERFACE_MODE_RGMII;
 791         }
 792
 793         rv = cpsw_register(&cpsw_data);
 794         if (rv < 0)
 795                 printf("Error %d registering CPSW switch\n", rv);
 796         else
 797                 n += rv;
 798 #endif
 799
 800         /*
 801          *
 802          * CPSW RGMII Internal Delay Mode is not supported in all PVT
 803          * operating points.  So we must set the TX clock delay feature
 804          * in the AR8051 PHY.  Since we only support a single ethernet
 805          * device in U-Boot, we only do this for the first instance.
 806          */
 807 #define AR8051_PHY_DEBUG_ADDR_REG       0x1d
 808 #define AR8051_PHY_DEBUG_DATA_REG       0x1e
 809 #define AR8051_DEBUG_RGMII_CLK_DLY_REG  0x5
 810 #define AR8051_RGMII_TX_CLK_DLY         0x100
 811
 812         if (board_is_evm_sk() || board_is_gp_evm()) {
 813                 const char *devname;
 814                 devname = miiphy_get_current_dev();
 815
 816                 miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_ADDR_REG,
 817                                 AR8051_DEBUG_RGMII_CLK_DLY_REG);
 818                 miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_DATA_REG,
 819                                 AR8051_RGMII_TX_CLK_DLY);
 820         }
 821 #endif
 822 #if defined(CONFIG_USB_ETHER) && \
 823         (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
 824         if (is_valid_ethaddr(mac_addr))
 825                 eth_setenv_enetaddr("usbnet_devaddr", mac_addr);
 826
 827         rv = usb_eth_initialize(bis);
 828         if (rv < 0)
 829                 printf("Error %d registering USB_ETHER\n", rv);
 830         else
 831                 n += rv;
 832 #endif
 833         return n;
 834 }
 835 #endif
 836
 837 #endif /* CONFIG_DM_ETH */
 838
 839 #ifdef CONFIG_SPL_LOAD_FIT
 840 int board_fit_config_name_match(const char *name)
 841 {
 842         if (board_is_gp_evm() && !strcmp(name, "am335x-evm"))
 843                 return 0;
 844         else if (board_is_bone() && !strcmp(name, "am335x-bone"))
 845                 return 0;
 846         else if (board_is_bone_lt() && !strcmp(name, "am335x-boneblack"))
 847                 return 0;
 848         else if (board_is_evm_sk() && !strcmp(name, "am335x-evmsk"))
 849                 return 0;
 850         else if (board_is_bbg1() && !strcmp(name, "am335x-bonegreen"))
 851                 return 0;
 852         else if (board_is_icev2() && !strcmp(name, "am335x-icev2"))
 853                 return 0;
 854         else
 855                 return -1;
 856 }
 857 #endif
 858
 859 #ifdef CONFIG_TI_SECURE_DEVICE
 860 void board_fit_image_post_process(void **p_image, size_t *p_size)
 861 {
 862         secure_boot_verify_image(p_image, p_size);
 863 }
 864 #endif