uboot/board/ti/am335x/board.c
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   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
  40DECLARE_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
  53static 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
  68void 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
  79struct 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
  89static 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
  95static const struct cmd_control ddr2_cmd_ctrl_data = {
  96        .cmd0csratio = MT47H128M16RT25E_RATIO,
  97
  98        .cmd1csratio = MT47H128M16RT25E_RATIO,
  99
 100        .cmd2csratio = MT47H128M16RT25E_RATIO,
 101};
 102
 103static 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
 112static const struct emif_regs ddr2_evm_emif_reg_data = {
 113        .sdram_config = MT47H128M16RT25E_EMIF_SDCFG,
 114        .ref_ctrl = MT47H128M16RT25E_EMIF_SDREF,
 115        .sdram_tim1 = MT47H128M16RT25E_EMIF_TIM1,
 116        .sdram_tim2 = MT47H128M16RT25E_EMIF_TIM2,
 117        .sdram_tim3 = MT47H128M16RT25E_EMIF_TIM3,
 118        .ocp_config = EMIF_OCP_CONFIG_AM335X_EVM,
 119        .emif_ddr_phy_ctlr_1 = MT47H128M16RT25E_EMIF_READ_LATENCY,
 120};
 121
 122static const struct ddr_data ddr3_data = {
 123        .datardsratio0 = MT41J128MJT125_RD_DQS,
 124        .datawdsratio0 = MT41J128MJT125_WR_DQS,
 125        .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE,
 126        .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA,
 127};
 128
 129static const struct ddr_data ddr3_beagleblack_data = {
 130        .datardsratio0 = MT41K256M16HA125E_RD_DQS,
 131        .datawdsratio0 = MT41K256M16HA125E_WR_DQS,
 132        .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
 133        .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
 134};
 135
 136static const struct ddr_data ddr3_evm_data = {
 137        .datardsratio0 = MT41J512M8RH125_RD_DQS,
 138        .datawdsratio0 = MT41J512M8RH125_WR_DQS,
 139        .datafwsratio0 = MT41J512M8RH125_PHY_FIFO_WE,
 140        .datawrsratio0 = MT41J512M8RH125_PHY_WR_DATA,
 141};
 142
 143static const struct ddr_data ddr3_icev2_data = {
 144        .datardsratio0 = MT41J128MJT125_RD_DQS_400MHz,
 145        .datawdsratio0 = MT41J128MJT125_WR_DQS_400MHz,
 146        .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE_400MHz,
 147        .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA_400MHz,
 148};
 149
 150static const struct cmd_control ddr3_cmd_ctrl_data = {
 151        .cmd0csratio = MT41J128MJT125_RATIO,
 152        .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT,
 153
 154        .cmd1csratio = MT41J128MJT125_RATIO,
 155        .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT,
 156
 157        .cmd2csratio = MT41J128MJT125_RATIO,
 158        .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT,
 159};
 160
 161static const struct cmd_control ddr3_beagleblack_cmd_ctrl_data = {
 162        .cmd0csratio = MT41K256M16HA125E_RATIO,
 163        .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 164
 165        .cmd1csratio = MT41K256M16HA125E_RATIO,
 166        .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 167
 168        .cmd2csratio = MT41K256M16HA125E_RATIO,
 169        .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 170};
 171
 172static const struct cmd_control ddr3_evm_cmd_ctrl_data = {
 173        .cmd0csratio = MT41J512M8RH125_RATIO,
 174        .cmd0iclkout = MT41J512M8RH125_INVERT_CLKOUT,
 175
 176        .cmd1csratio = MT41J512M8RH125_RATIO,
 177        .cmd1iclkout = MT41J512M8RH125_INVERT_CLKOUT,
 178
 179        .cmd2csratio = MT41J512M8RH125_RATIO,
 180        .cmd2iclkout = MT41J512M8RH125_INVERT_CLKOUT,
 181};
 182
 183static const struct cmd_control ddr3_icev2_cmd_ctrl_data = {
 184        .cmd0csratio = MT41J128MJT125_RATIO_400MHz,
 185        .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
 186
 187        .cmd1csratio = MT41J128MJT125_RATIO_400MHz,
 188        .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
 189
 190        .cmd2csratio = MT41J128MJT125_RATIO_400MHz,
 191        .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
 192};
 193
 194static struct emif_regs ddr3_emif_reg_data = {
 195        .sdram_config = MT41J128MJT125_EMIF_SDCFG,
 196        .ref_ctrl = MT41J128MJT125_EMIF_SDREF,
 197        .sdram_tim1 = MT41J128MJT125_EMIF_TIM1,
 198        .sdram_tim2 = MT41J128MJT125_EMIF_TIM2,
 199        .sdram_tim3 = MT41J128MJT125_EMIF_TIM3,
 200        .zq_config = MT41J128MJT125_ZQ_CFG,
 201        .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY |
 202                                PHY_EN_DYN_PWRDN,
 203};
 204
 205static struct emif_regs ddr3_beagleblack_emif_reg_data = {
 206        .sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
 207        .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
 208        .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
 209        .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
 210        .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
 211        .ocp_config = EMIF_OCP_CONFIG_BEAGLEBONE_BLACK,
 212        .zq_config = MT41K256M16HA125E_ZQ_CFG,
 213        .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
 214};
 215
 216static struct emif_regs ddr3_evm_emif_reg_data = {
 217        .sdram_config = MT41J512M8RH125_EMIF_SDCFG,
 218        .ref_ctrl = MT41J512M8RH125_EMIF_SDREF,
 219        .sdram_tim1 = MT41J512M8RH125_EMIF_TIM1,
 220        .sdram_tim2 = MT41J512M8RH125_EMIF_TIM2,
 221        .sdram_tim3 = MT41J512M8RH125_EMIF_TIM3,
 222        .ocp_config = EMIF_OCP_CONFIG_AM335X_EVM,
 223        .zq_config = MT41J512M8RH125_ZQ_CFG,
 224        .emif_ddr_phy_ctlr_1 = MT41J512M8RH125_EMIF_READ_LATENCY |
 225                                PHY_EN_DYN_PWRDN,
 226};
 227
 228static struct emif_regs ddr3_icev2_emif_reg_data = {
 229        .sdram_config = MT41J128MJT125_EMIF_SDCFG_400MHz,
 230        .ref_ctrl = MT41J128MJT125_EMIF_SDREF_400MHz,
 231        .sdram_tim1 = MT41J128MJT125_EMIF_TIM1_400MHz,
 232        .sdram_tim2 = MT41J128MJT125_EMIF_TIM2_400MHz,
 233        .sdram_tim3 = MT41J128MJT125_EMIF_TIM3_400MHz,
 234        .zq_config = MT41J128MJT125_ZQ_CFG_400MHz,
 235        .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY_400MHz |
 236                                PHY_EN_DYN_PWRDN,
 237};
 238
 239#ifdef CONFIG_SPL_OS_BOOT
 240int spl_start_uboot(void)
 241{
 242        /* break into full u-boot on 'c' */
 243        if (serial_tstc() && serial_getc() == 'c')
 244                return 1;
 245
 246#ifdef CONFIG_SPL_ENV_SUPPORT
 247        env_init();
 248        env_relocate_spec();
 249        if (getenv_yesno("boot_os") != 1)
 250                return 1;
 251#endif
 252
 253        return 0;
 254}
 255#endif
 256
 257#define OSC     (V_OSCK/1000000)
 258const struct dpll_params dpll_ddr = {
 259                266, OSC-1, 1, -1, -1, -1, -1};
 260const struct dpll_params dpll_ddr_evm_sk = {
 261                303, OSC-1, 1, -1, -1, -1, -1};
 262const struct dpll_params dpll_ddr_bone_black = {
 263                400, OSC-1, 1, -1, -1, -1, -1};
 264
 265void am33xx_spl_board_init(void)
 266{
 267        int mpu_vdd;
 268
 269        /* Get the frequency */
 270        dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
 271
 272        if (board_is_bone() || board_is_bone_lt()) {
 273                /* BeagleBone PMIC Code */
 274                int usb_cur_lim;
 275
 276                /*
 277                 * Only perform PMIC configurations if board rev > A1
 278                 * on Beaglebone White
 279                 */
 280                if (board_is_bone() && !strncmp(board_ti_get_rev(), "00A1", 4))
 281                        return;
 282
 283                if (i2c_probe(TPS65217_CHIP_PM))
 284                        return;
 285
 286                /*
 287                 * On Beaglebone White we need to ensure we have AC power
 288                 * before increasing the frequency.
 289                 */
 290                if (board_is_bone()) {
 291                        uchar pmic_status_reg;
 292                        if (tps65217_reg_read(TPS65217_STATUS,
 293                                              &pmic_status_reg))
 294                                return;
 295                        if (!(pmic_status_reg & TPS65217_PWR_SRC_AC_BITMASK)) {
 296                                puts("No AC power, disabling frequency switch\n");
 297                                return;
 298                        }
 299                }
 300
 301                /*
 302                 * Override what we have detected since we know if we have
 303                 * a Beaglebone Black it supports 1GHz.
 304                 */
 305                if (board_is_bone_lt())
 306                        dpll_mpu_opp100.m = MPUPLL_M_1000;
 307
 308                /*
 309                 * Increase USB current limit to 1300mA or 1800mA and set
 310                 * the MPU voltage controller as needed.
 311                 */
 312                if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
 313                        usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
 314                        mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
 315                } else {
 316                        usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
 317                        mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
 318                }
 319
 320                if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
 321                                       TPS65217_POWER_PATH,
 322                                       usb_cur_lim,
 323                                       TPS65217_USB_INPUT_CUR_LIMIT_MASK))
 324                        puts("tps65217_reg_write failure\n");
 325
 326                /* Set DCDC3 (CORE) voltage to 1.125V */
 327                if (tps65217_voltage_update(TPS65217_DEFDCDC3,
 328                                            TPS65217_DCDC_VOLT_SEL_1125MV)) {
 329                        puts("tps65217_voltage_update failure\n");
 330                        return;
 331                }
 332
 333                /* Set CORE Frequencies to OPP100 */
 334                do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
 335
 336                /* Set DCDC2 (MPU) voltage */
 337                if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
 338                        puts("tps65217_voltage_update failure\n");
 339                        return;
 340                }
 341
 342                /*
 343                 * Set LDO3, LDO4 output voltage to 3.3V for Beaglebone.
 344                 * Set LDO3 to 1.8V and LDO4 to 3.3V for Beaglebone Black.
 345                 */
 346                if (board_is_bone()) {
 347                        if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 348                                               TPS65217_DEFLS1,
 349                                               TPS65217_LDO_VOLTAGE_OUT_3_3,
 350                                               TPS65217_LDO_MASK))
 351                                puts("tps65217_reg_write failure\n");
 352                } else {
 353                        if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 354                                               TPS65217_DEFLS1,
 355                                               TPS65217_LDO_VOLTAGE_OUT_1_8,
 356                                               TPS65217_LDO_MASK))
 357                                puts("tps65217_reg_write failure\n");
 358                }
 359
 360                if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 361                                       TPS65217_DEFLS2,
 362                                       TPS65217_LDO_VOLTAGE_OUT_3_3,
 363                                       TPS65217_LDO_MASK))
 364                        puts("tps65217_reg_write failure\n");
 365        } else {
 366                int sil_rev;
 367
 368                /*
 369                 * The GP EVM, IDK and EVM SK use a TPS65910 PMIC.  For all
 370                 * MPU frequencies we support we use a CORE voltage of
 371                 * 1.1375V.  For MPU voltage we need to switch based on
 372                 * the frequency we are running at.
 373                 */
 374                if (i2c_probe(TPS65910_CTRL_I2C_ADDR))
 375                        return;
 376
 377                /*
 378                 * Depending on MPU clock and PG we will need a different
 379                 * VDD to drive at that speed.
 380                 */
 381                sil_rev = readl(&cdev->deviceid) >> 28;
 382                mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev,
 383                                                      dpll_mpu_opp100.m);
 384
 385                /* Tell the TPS65910 to use i2c */
 386                tps65910_set_i2c_control();
 387
 388                /* First update MPU voltage. */
 389                if (tps65910_voltage_update(MPU, mpu_vdd))
 390                        return;
 391
 392                /* Second, update the CORE voltage. */
 393                if (tps65910_voltage_update(CORE, TPS65910_OP_REG_SEL_1_1_3))
 394                        return;
 395
 396                /* Set CORE Frequencies to OPP100 */
 397                do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
 398        }
 399
 400        /* Set MPU Frequency to what we detected now that voltages are set */
 401        do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
 402}
 403
 404const struct dpll_params *get_dpll_ddr_params(void)
 405{
 406        if (board_is_evm_sk())
 407                return &dpll_ddr_evm_sk;
 408        else if (board_is_bone_lt() || board_is_icev2())
 409                return &dpll_ddr_bone_black;
 410        else if (board_is_evm_15_or_later())
 411                return &dpll_ddr_evm_sk;
 412        else
 413                return &dpll_ddr;
 414}
 415
 416void set_uart_mux_conf(void)
 417{
 418#if CONFIG_CONS_INDEX == 1
 419        enable_uart0_pin_mux();
 420#elif CONFIG_CONS_INDEX == 2
 421        enable_uart1_pin_mux();
 422#elif CONFIG_CONS_INDEX == 3
 423        enable_uart2_pin_mux();
 424#elif CONFIG_CONS_INDEX == 4
 425        enable_uart3_pin_mux();
 426#elif CONFIG_CONS_INDEX == 5
 427        enable_uart4_pin_mux();
 428#elif CONFIG_CONS_INDEX == 6
 429        enable_uart5_pin_mux();
 430#endif
 431}
 432
 433void set_mux_conf_regs(void)
 434{
 435        enable_board_pin_mux();
 436}
 437
 438const struct ctrl_ioregs ioregs_evmsk = {
 439        .cm0ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 440        .cm1ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 441        .cm2ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 442        .dt0ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 443        .dt1ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 444};
 445
 446const struct ctrl_ioregs ioregs_bonelt = {
 447        .cm0ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 448        .cm1ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 449        .cm2ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 450        .dt0ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 451        .dt1ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 452};
 453
 454const struct ctrl_ioregs ioregs_evm15 = {
 455        .cm0ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 456        .cm1ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 457        .cm2ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 458        .dt0ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 459        .dt1ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 460};
 461
 462const struct ctrl_ioregs ioregs = {
 463        .cm0ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 464        .cm1ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 465        .cm2ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 466        .dt0ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 467        .dt1ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 468};
 469
 470void sdram_init(void)
 471{
 472        if (board_is_evm_sk()) {
 473                /*
 474                 * EVM SK 1.2A and later use gpio0_7 to enable DDR3.
 475                 * This is safe enough to do on older revs.
 476                 */
 477                gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
 478                gpio_direction_output(GPIO_DDR_VTT_EN, 1);
 479        }
 480
 481        if (board_is_icev2()) {
 482                gpio_request(ICE_GPIO_DDR_VTT_EN, "ddr_vtt_en");
 483                gpio_direction_output(ICE_GPIO_DDR_VTT_EN, 1);
 484        }
 485
 486        if (board_is_evm_sk())
 487                config_ddr(303, &ioregs_evmsk, &ddr3_data,
 488                           &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
 489        else if (board_is_bone_lt())
 490                config_ddr(400, &ioregs_bonelt,
 491                           &ddr3_beagleblack_data,
 492                           &ddr3_beagleblack_cmd_ctrl_data,
 493                           &ddr3_beagleblack_emif_reg_data, 0);
 494        else if (board_is_evm_15_or_later())
 495                config_ddr(303, &ioregs_evm15, &ddr3_evm_data,
 496                           &ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0);
 497        else if (board_is_icev2())
 498                config_ddr(400, &ioregs_evmsk, &ddr3_icev2_data,
 499                           &ddr3_icev2_cmd_ctrl_data, &ddr3_icev2_emif_reg_data,
 500                           0);
 501        else if (board_is_gp_evm())
 502                config_ddr(266, &ioregs, &ddr2_data,
 503                           &ddr2_cmd_ctrl_data, &ddr2_evm_emif_reg_data, 0);
 504        else
 505                config_ddr(266, &ioregs, &ddr2_data,
 506                           &ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0);
 507}
 508#endif
 509
 510#if !defined(CONFIG_SPL_BUILD) || \
 511        (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 512static void request_and_set_gpio(int gpio, char *name, int val)
 513{
 514        int ret;
 515
 516        ret = gpio_request(gpio, name);
 517        if (ret < 0) {
 518                printf("%s: Unable to request %s\n", __func__, name);
 519                return;
 520        }
 521
 522        ret = gpio_direction_output(gpio, 0);
 523        if (ret < 0) {
 524                printf("%s: Unable to set %s  as output\n", __func__, name);
 525                goto err_free_gpio;
 526        }
 527
 528        gpio_set_value(gpio, val);
 529
 530        return;
 531
 532err_free_gpio:
 533        gpio_free(gpio);
 534}
 535
 536#define REQUEST_AND_SET_GPIO(N) request_and_set_gpio(N, #N, 1);
 537#define REQUEST_AND_CLR_GPIO(N) request_and_set_gpio(N, #N, 0);
 538
 539/**
 540 * RMII mode on ICEv2 board needs 50MHz clock. Given the clock
 541 * synthesizer With a capacitor of 18pF, and 25MHz input clock cycle
 542 * PLL1 gives an output of 100MHz. So, configuring the div2/3 as 2 to
 543 * give 50MHz output for Eth0 and 1.
 544 */
 545static struct clk_synth cdce913_data = {
 546        .id = 0x81,
 547        .capacitor = 0x90,
 548        .mux = 0x6d,
 549        .pdiv2 = 0x2,
 550        .pdiv3 = 0x2,
 551};
 552#endif
 553
 554/*
 555 * Basic board specific setup.  Pinmux has been handled already.
 556 */
 557int board_init(void)
 558{
 559#if defined(CONFIG_HW_WATCHDOG)
 560        hw_watchdog_init();
 561#endif
 562
 563        gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 564#if defined(CONFIG_NOR) || defined(CONFIG_NAND)
 565        gpmc_init();
 566#endif
 567
 568#if !defined(CONFIG_SPL_BUILD) || \
 569        (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 570        if (board_is_icev2()) {
 571                int rv;
 572                u32 reg;
 573
 574                REQUEST_AND_SET_GPIO(GPIO_PR1_MII_CTRL);
 575                /* Make J19 status available on GPIO1_26 */
 576                REQUEST_AND_CLR_GPIO(GPIO_MUX_MII_CTRL);
 577
 578                REQUEST_AND_SET_GPIO(GPIO_FET_SWITCH_CTRL);
 579                /*
 580                 * Both ports can be set as RMII-CPSW or MII-PRU-ETH using
 581                 * jumpers near the port. Read the jumper value and set
 582                 * the pinmux, external mux and PHY clock accordingly.
 583                 * As jumper line is overridden by PHY RX_DV pin immediately
 584                 * after bootstrap (power-up/reset), we need to sample
 585                 * it during PHY reset using GPIO rising edge detection.
 586                 */
 587                REQUEST_AND_SET_GPIO(GPIO_PHY_RESET);
 588                /* Enable rising edge IRQ on GPIO0_11 and GPIO 1_26 */
 589                reg = readl(GPIO0_RISINGDETECT) | BIT(11);
 590                writel(reg, GPIO0_RISINGDETECT);
 591                reg = readl(GPIO1_RISINGDETECT) | BIT(26);
 592                writel(reg, GPIO1_RISINGDETECT);
 593                /* Reset PHYs to capture the Jumper setting */
 594                gpio_set_value(GPIO_PHY_RESET, 0);
 595                udelay(2);      /* PHY datasheet states 1uS min. */
 596                gpio_set_value(GPIO_PHY_RESET, 1);
 597
 598                reg = readl(GPIO0_IRQSTATUSRAW) & BIT(11);
 599                if (reg) {
 600                        writel(reg, GPIO0_IRQSTATUS1); /* clear irq */
 601                        /* RMII mode */
 602                        printf("ETH0, CPSW\n");
 603                } else {
 604                        /* MII mode */
 605                        printf("ETH0, PRU\n");
 606                        cdce913_data.pdiv3 = 4; /* 25MHz PHY clk */
 607                }
 608
 609                reg = readl(GPIO1_IRQSTATUSRAW) & BIT(26);
 610                if (reg) {
 611                        writel(reg, GPIO1_IRQSTATUS1); /* clear irq */
 612                        /* RMII mode */
 613                        printf("ETH1, CPSW\n");
 614                        gpio_set_value(GPIO_MUX_MII_CTRL, 1);
 615                } else {
 616                        /* MII mode */
 617                        printf("ETH1, PRU\n");
 618                        cdce913_data.pdiv2 = 4; /* 25MHz PHY clk */
 619                }
 620
 621                /* disable rising edge IRQs */
 622                reg = readl(GPIO0_RISINGDETECT) & ~BIT(11);
 623                writel(reg, GPIO0_RISINGDETECT);
 624                reg = readl(GPIO1_RISINGDETECT) & ~BIT(26);
 625                writel(reg, GPIO1_RISINGDETECT);
 626
 627                rv = setup_clock_synthesizer(&cdce913_data);
 628                if (rv) {
 629                        printf("Clock synthesizer setup failed %d\n", rv);
 630                        return rv;
 631                }
 632
 633                /* reset PHYs */
 634                gpio_set_value(GPIO_PHY_RESET, 0);
 635                udelay(2);      /* PHY datasheet states 1uS min. */
 636                gpio_set_value(GPIO_PHY_RESET, 1);
 637        }
 638#endif
 639
 640        return 0;
 641}
 642
 643#ifdef CONFIG_BOARD_LATE_INIT
 644int board_late_init(void)
 645{
 646#if !defined(CONFIG_SPL_BUILD)
 647        uint8_t mac_addr[6];
 648        uint32_t mac_hi, mac_lo;
 649#endif
 650
 651#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 652        char *name = NULL;
 653
 654        if (board_is_bbg1())
 655                name = "BBG1";
 656        set_board_info_env(name);
 657
 658        /*
 659         * Default FIT boot on HS devices. Non FIT images are not allowed
 660         * on HS devices.
 661         */
 662        if (get_device_type() == HS_DEVICE)
 663                setenv("boot_fit", "1");
 664#endif
 665
 666#if !defined(CONFIG_SPL_BUILD)
 667        /* try reading mac address from efuse */
 668        mac_lo = readl(&cdev->macid0l);
 669        mac_hi = readl(&cdev->macid0h);
 670        mac_addr[0] = mac_hi & 0xFF;
 671        mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 672        mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 673        mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 674        mac_addr[4] = mac_lo & 0xFF;
 675        mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 676
 677        if (!getenv("ethaddr")) {
 678                printf("<ethaddr> not set. Validating first E-fuse MAC\n");
 679
 680                if (is_valid_ethaddr(mac_addr))
 681                        eth_setenv_enetaddr("ethaddr", mac_addr);
 682        }
 683
 684        mac_lo = readl(&cdev->macid1l);
 685        mac_hi = readl(&cdev->macid1h);
 686        mac_addr[0] = mac_hi & 0xFF;
 687        mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 688        mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 689        mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 690        mac_addr[4] = mac_lo & 0xFF;
 691        mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 692
 693        if (!getenv("eth1addr")) {
 694                if (is_valid_ethaddr(mac_addr))
 695                        eth_setenv_enetaddr("eth1addr", mac_addr);
 696        }
 697#endif
 698
 699        return 0;
 700}
 701#endif
 702
 703#ifndef CONFIG_DM_ETH
 704
 705#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
 706        (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 707static void cpsw_control(int enabled)
 708{
 709        /* VTP can be added here */
 710
 711        return;
 712}
 713
 714static struct cpsw_slave_data cpsw_slaves[] = {
 715        {
 716                .slave_reg_ofs  = 0x208,
 717                .sliver_reg_ofs = 0xd80,
 718                .phy_addr       = 0,
 719        },
 720        {
 721                .slave_reg_ofs  = 0x308,
 722                .sliver_reg_ofs = 0xdc0,
 723                .phy_addr       = 1,
 724        },
 725};
 726
 727static struct cpsw_platform_data cpsw_data = {
 728        .mdio_base              = CPSW_MDIO_BASE,
 729        .cpsw_base              = CPSW_BASE,
 730        .mdio_div               = 0xff,
 731        .channels               = 8,
 732        .cpdma_reg_ofs          = 0x800,
 733        .slaves                 = 1,
 734        .slave_data             = cpsw_slaves,
 735        .ale_reg_ofs            = 0xd00,
 736        .ale_entries            = 1024,
 737        .host_port_reg_ofs      = 0x108,
 738        .hw_stats_reg_ofs       = 0x900,
 739        .bd_ram_ofs             = 0x2000,
 740        .mac_control            = (1 << 5),
 741        .control                = cpsw_control,
 742        .host_port_num          = 0,
 743        .version                = CPSW_CTRL_VERSION_2,
 744};
 745#endif
 746
 747#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) &&\
 748        defined(CONFIG_SPL_BUILD)) || \
 749        ((defined(CONFIG_DRIVER_TI_CPSW) || \
 750          defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
 751         !defined(CONFIG_SPL_BUILD))
 752
 753/*
 754 * This function will:
 755 * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
 756 * in the environment
 757 * Perform fixups to the PHY present on certain boards.  We only need this
 758 * function in:
 759 * - SPL with either CPSW or USB ethernet support
 760 * - Full U-Boot, with either CPSW or USB ethernet
 761 * Build in only these cases to avoid warnings about unused variables
 762 * when we build an SPL that has neither option but full U-Boot will.
 763 */
 764int board_eth_init(bd_t *bis)
 765{
 766        int rv, n = 0;
 767#if defined(CONFIG_USB_ETHER) && \
 768        (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
 769        uint8_t mac_addr[6];
 770        uint32_t mac_hi, mac_lo;
 771
 772        /*
 773         * use efuse mac address for USB ethernet as we know that
 774         * both CPSW and USB ethernet will never be active at the same time
 775         */
 776        mac_lo = readl(&cdev->macid0l);
 777        mac_hi = readl(&cdev->macid0h);
 778        mac_addr[0] = mac_hi & 0xFF;
 779        mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 780        mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 781        mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 782        mac_addr[4] = mac_lo & 0xFF;
 783        mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 784#endif
 785
 786
 787#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
 788        (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 789
 790#ifdef CONFIG_DRIVER_TI_CPSW
 791        if (board_is_bone() || board_is_bone_lt() ||
 792            board_is_idk()) {
 793                writel(MII_MODE_ENABLE, &cdev->miisel);
 794                cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
 795                                PHY_INTERFACE_MODE_MII;
 796        } else if (board_is_icev2()) {
 797                writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
 798                cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
 799                cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_RMII;
 800                cpsw_slaves[0].phy_addr = 1;
 801                cpsw_slaves[1].phy_addr = 3;
 802        } else {
 803                writel((RGMII_MODE_ENABLE | RGMII_INT_DELAY), &cdev->miisel);
 804                cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
 805                                PHY_INTERFACE_MODE_RGMII;
 806        }
 807
 808        rv = cpsw_register(&cpsw_data);
 809        if (rv < 0)
 810                printf("Error %d registering CPSW switch\n", rv);
 811        else
 812                n += rv;
 813#endif
 814
 815        /*
 816         *
 817         * CPSW RGMII Internal Delay Mode is not supported in all PVT
 818         * operating points.  So we must set the TX clock delay feature
 819         * in the AR8051 PHY.  Since we only support a single ethernet
 820         * device in U-Boot, we only do this for the first instance.
 821         */
 822#define AR8051_PHY_DEBUG_ADDR_REG       0x1d
 823#define AR8051_PHY_DEBUG_DATA_REG       0x1e
 824#define AR8051_DEBUG_RGMII_CLK_DLY_REG  0x5
 825#define AR8051_RGMII_TX_CLK_DLY         0x100
 826
 827        if (board_is_evm_sk() || board_is_gp_evm()) {
 828                const char *devname;
 829                devname = miiphy_get_current_dev();
 830
 831                miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_ADDR_REG,
 832                                AR8051_DEBUG_RGMII_CLK_DLY_REG);
 833                miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_DATA_REG,
 834                                AR8051_RGMII_TX_CLK_DLY);
 835        }
 836#endif
 837#if defined(CONFIG_USB_ETHER) && \
 838        (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
 839        if (is_valid_ethaddr(mac_addr))
 840                eth_setenv_enetaddr("usbnet_devaddr", mac_addr);
 841
 842        rv = usb_eth_initialize(bis);
 843        if (rv < 0)
 844                printf("Error %d registering USB_ETHER\n", rv);
 845        else
 846                n += rv;
 847#endif
 848        return n;
 849}
 850#endif
 851
 852#endif /* CONFIG_DM_ETH */
 853
 854#ifdef CONFIG_SPL_LOAD_FIT
 855int board_fit_config_name_match(const char *name)
 856{
 857        if (board_is_gp_evm() && !strcmp(name, "am335x-evm"))
 858                return 0;
 859        else if (board_is_bone() && !strcmp(name, "am335x-bone"))
 860                return 0;
 861        else if (board_is_bone_lt() && !strcmp(name, "am335x-boneblack"))
 862                return 0;
 863        else if (board_is_evm_sk() && !strcmp(name, "am335x-evmsk"))
 864                return 0;
 865        else if (board_is_bbg1() && !strcmp(name, "am335x-bonegreen"))
 866                return 0;
 867        else if (board_is_icev2() && !strcmp(name, "am335x-icev2"))
 868                return 0;
 869        else
 870                return -1;
 871}
 872#endif
 873
 874#ifdef CONFIG_TI_SECURE_DEVICE
 875void board_fit_image_post_process(void **p_image, size_t *p_size)
 876{
 877        secure_boot_verify_image(p_image, p_size);
 878}
 879#endif
 880