uboot/board/ti/am335x/board.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * board.c
   4 *
   5 * Board functions for TI AM335X based boards
   6 *
   7 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
   8 */
   9
  10#include <common.h>
  11#include <dm.h>
  12#include <env.h>
  13#include <errno.h>
  14#include <image.h>
  15#include <init.h>
  16#include <malloc.h>
  17#include <net.h>
  18#include <spl.h>
  19#include <serial.h>
  20#include <asm/arch/cpu.h>
  21#include <asm/arch/hardware.h>
  22#include <asm/arch/omap.h>
  23#include <asm/arch/ddr_defs.h>
  24#include <asm/arch/clock.h>
  25#include <asm/arch/clk_synthesizer.h>
  26#include <asm/arch/gpio.h>
  27#include <asm/arch/mmc_host_def.h>
  28#include <asm/arch/sys_proto.h>
  29#include <asm/arch/mem.h>
  30#include <asm/global_data.h>
  31#include <asm/io.h>
  32#include <asm/emif.h>
  33#include <asm/gpio.h>
  34#include <asm/omap_common.h>
  35#include <asm/omap_sec_common.h>
  36#include <asm/omap_mmc.h>
  37#include <i2c.h>
  38#include <miiphy.h>
  39#include <cpsw.h>
  40#include <linux/bitops.h>
  41#include <linux/delay.h>
  42#include <power/tps65217.h>
  43#include <power/tps65910.h>
  44#include <env_internal.h>
  45#include <watchdog.h>
  46#include "../common/board_detect.h"
  47#include "../common/cape_detect.h"
  48#include "board.h"
  49
  50DECLARE_GLOBAL_DATA_PTR;
  51
  52/* GPIO that controls power to DDR on EVM-SK */
  53#define GPIO_TO_PIN(bank, gpio)         (32 * (bank) + (gpio))
  54#define GPIO_DDR_VTT_EN         GPIO_TO_PIN(0, 7)
  55#define ICE_GPIO_DDR_VTT_EN     GPIO_TO_PIN(0, 18)
  56#define GPIO_PR1_MII_CTRL       GPIO_TO_PIN(3, 4)
  57#define GPIO_MUX_MII_CTRL       GPIO_TO_PIN(3, 10)
  58#define GPIO_FET_SWITCH_CTRL    GPIO_TO_PIN(0, 7)
  59#define GPIO_PHY_RESET          GPIO_TO_PIN(2, 5)
  60#define GPIO_ETH0_MODE          GPIO_TO_PIN(0, 11)
  61#define GPIO_ETH1_MODE          GPIO_TO_PIN(1, 26)
  62
  63static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
  64
  65#define GPIO0_RISINGDETECT      (AM33XX_GPIO0_BASE + OMAP_GPIO_RISINGDETECT)
  66#define GPIO1_RISINGDETECT      (AM33XX_GPIO1_BASE + OMAP_GPIO_RISINGDETECT)
  67
  68#define GPIO0_IRQSTATUS1        (AM33XX_GPIO0_BASE + OMAP_GPIO_IRQSTATUS1)
  69#define GPIO1_IRQSTATUS1        (AM33XX_GPIO1_BASE + OMAP_GPIO_IRQSTATUS1)
  70
  71#define GPIO0_IRQSTATUSRAW      (AM33XX_GPIO0_BASE + 0x024)
  72#define GPIO1_IRQSTATUSRAW      (AM33XX_GPIO1_BASE + 0x024)
  73
  74/*
  75 * Read header information from EEPROM into global structure.
  76 */
  77#ifdef CONFIG_TI_I2C_BOARD_DETECT
  78void do_board_detect(void)
  79{
  80        enable_i2c0_pin_mux();
  81        enable_i2c2_pin_mux();
  82#if !CONFIG_IS_ENABLED(DM_I2C)
  83        i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
  84        i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED2, CONFIG_SYS_OMAP24_I2C_SLAVE2);
  85#endif
  86        if (ti_i2c_eeprom_am_get(CONFIG_EEPROM_BUS_ADDRESS,
  87                                 CONFIG_EEPROM_CHIP_ADDRESS))
  88                printf("ti_i2c_eeprom_init failed\n");
  89}
  90#endif
  91
  92#ifndef CONFIG_DM_SERIAL
  93struct serial_device *default_serial_console(void)
  94{
  95        if (board_is_icev2())
  96                return &eserial4_device;
  97        else
  98                return &eserial1_device;
  99}
 100#endif
 101
 102#ifndef CONFIG_SKIP_LOWLEVEL_INIT
 103static const struct ddr_data ddr2_data = {
 104        .datardsratio0 = MT47H128M16RT25E_RD_DQS,
 105        .datafwsratio0 = MT47H128M16RT25E_PHY_FIFO_WE,
 106        .datawrsratio0 = MT47H128M16RT25E_PHY_WR_DATA,
 107};
 108
 109static const struct cmd_control ddr2_cmd_ctrl_data = {
 110        .cmd0csratio = MT47H128M16RT25E_RATIO,
 111
 112        .cmd1csratio = MT47H128M16RT25E_RATIO,
 113
 114        .cmd2csratio = MT47H128M16RT25E_RATIO,
 115};
 116
 117static const struct emif_regs ddr2_emif_reg_data = {
 118        .sdram_config = MT47H128M16RT25E_EMIF_SDCFG,
 119        .ref_ctrl = MT47H128M16RT25E_EMIF_SDREF,
 120        .sdram_tim1 = MT47H128M16RT25E_EMIF_TIM1,
 121        .sdram_tim2 = MT47H128M16RT25E_EMIF_TIM2,
 122        .sdram_tim3 = MT47H128M16RT25E_EMIF_TIM3,
 123        .emif_ddr_phy_ctlr_1 = MT47H128M16RT25E_EMIF_READ_LATENCY,
 124};
 125
 126static const struct emif_regs ddr2_evm_emif_reg_data = {
 127        .sdram_config = MT47H128M16RT25E_EMIF_SDCFG,
 128        .ref_ctrl = MT47H128M16RT25E_EMIF_SDREF,
 129        .sdram_tim1 = MT47H128M16RT25E_EMIF_TIM1,
 130        .sdram_tim2 = MT47H128M16RT25E_EMIF_TIM2,
 131        .sdram_tim3 = MT47H128M16RT25E_EMIF_TIM3,
 132        .ocp_config = EMIF_OCP_CONFIG_AM335X_EVM,
 133        .emif_ddr_phy_ctlr_1 = MT47H128M16RT25E_EMIF_READ_LATENCY,
 134};
 135
 136static const struct ddr_data ddr3_data = {
 137        .datardsratio0 = MT41J128MJT125_RD_DQS,
 138        .datawdsratio0 = MT41J128MJT125_WR_DQS,
 139        .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE,
 140        .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA,
 141};
 142
 143static const struct ddr_data ddr3_beagleblack_data = {
 144        .datardsratio0 = MT41K256M16HA125E_RD_DQS,
 145        .datawdsratio0 = MT41K256M16HA125E_WR_DQS,
 146        .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
 147        .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
 148};
 149
 150static const struct ddr_data ddr3_evm_data = {
 151        .datardsratio0 = MT41J512M8RH125_RD_DQS,
 152        .datawdsratio0 = MT41J512M8RH125_WR_DQS,
 153        .datafwsratio0 = MT41J512M8RH125_PHY_FIFO_WE,
 154        .datawrsratio0 = MT41J512M8RH125_PHY_WR_DATA,
 155};
 156
 157static const struct ddr_data ddr3_icev2_data = {
 158        .datardsratio0 = MT41J128MJT125_RD_DQS_400MHz,
 159        .datawdsratio0 = MT41J128MJT125_WR_DQS_400MHz,
 160        .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE_400MHz,
 161        .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA_400MHz,
 162};
 163
 164static const struct cmd_control ddr3_cmd_ctrl_data = {
 165        .cmd0csratio = MT41J128MJT125_RATIO,
 166        .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT,
 167
 168        .cmd1csratio = MT41J128MJT125_RATIO,
 169        .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT,
 170
 171        .cmd2csratio = MT41J128MJT125_RATIO,
 172        .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT,
 173};
 174
 175static const struct cmd_control ddr3_beagleblack_cmd_ctrl_data = {
 176        .cmd0csratio = MT41K256M16HA125E_RATIO,
 177        .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 178
 179        .cmd1csratio = MT41K256M16HA125E_RATIO,
 180        .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 181
 182        .cmd2csratio = MT41K256M16HA125E_RATIO,
 183        .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 184};
 185
 186static const struct cmd_control ddr3_evm_cmd_ctrl_data = {
 187        .cmd0csratio = MT41J512M8RH125_RATIO,
 188        .cmd0iclkout = MT41J512M8RH125_INVERT_CLKOUT,
 189
 190        .cmd1csratio = MT41J512M8RH125_RATIO,
 191        .cmd1iclkout = MT41J512M8RH125_INVERT_CLKOUT,
 192
 193        .cmd2csratio = MT41J512M8RH125_RATIO,
 194        .cmd2iclkout = MT41J512M8RH125_INVERT_CLKOUT,
 195};
 196
 197static const struct cmd_control ddr3_icev2_cmd_ctrl_data = {
 198        .cmd0csratio = MT41J128MJT125_RATIO_400MHz,
 199        .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
 200
 201        .cmd1csratio = MT41J128MJT125_RATIO_400MHz,
 202        .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
 203
 204        .cmd2csratio = MT41J128MJT125_RATIO_400MHz,
 205        .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
 206};
 207
 208static struct emif_regs ddr3_emif_reg_data = {
 209        .sdram_config = MT41J128MJT125_EMIF_SDCFG,
 210        .ref_ctrl = MT41J128MJT125_EMIF_SDREF,
 211        .sdram_tim1 = MT41J128MJT125_EMIF_TIM1,
 212        .sdram_tim2 = MT41J128MJT125_EMIF_TIM2,
 213        .sdram_tim3 = MT41J128MJT125_EMIF_TIM3,
 214        .zq_config = MT41J128MJT125_ZQ_CFG,
 215        .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY |
 216                                PHY_EN_DYN_PWRDN,
 217};
 218
 219static struct emif_regs ddr3_beagleblack_emif_reg_data = {
 220        .sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
 221        .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
 222        .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
 223        .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
 224        .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
 225        .ocp_config = EMIF_OCP_CONFIG_BEAGLEBONE_BLACK,
 226        .zq_config = MT41K256M16HA125E_ZQ_CFG,
 227        .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
 228};
 229
 230static struct emif_regs ddr3_evm_emif_reg_data = {
 231        .sdram_config = MT41J512M8RH125_EMIF_SDCFG,
 232        .ref_ctrl = MT41J512M8RH125_EMIF_SDREF,
 233        .sdram_tim1 = MT41J512M8RH125_EMIF_TIM1,
 234        .sdram_tim2 = MT41J512M8RH125_EMIF_TIM2,
 235        .sdram_tim3 = MT41J512M8RH125_EMIF_TIM3,
 236        .ocp_config = EMIF_OCP_CONFIG_AM335X_EVM,
 237        .zq_config = MT41J512M8RH125_ZQ_CFG,
 238        .emif_ddr_phy_ctlr_1 = MT41J512M8RH125_EMIF_READ_LATENCY |
 239                                PHY_EN_DYN_PWRDN,
 240};
 241
 242static struct emif_regs ddr3_icev2_emif_reg_data = {
 243        .sdram_config = MT41J128MJT125_EMIF_SDCFG_400MHz,
 244        .ref_ctrl = MT41J128MJT125_EMIF_SDREF_400MHz,
 245        .sdram_tim1 = MT41J128MJT125_EMIF_TIM1_400MHz,
 246        .sdram_tim2 = MT41J128MJT125_EMIF_TIM2_400MHz,
 247        .sdram_tim3 = MT41J128MJT125_EMIF_TIM3_400MHz,
 248        .zq_config = MT41J128MJT125_ZQ_CFG_400MHz,
 249        .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY_400MHz |
 250                                PHY_EN_DYN_PWRDN,
 251};
 252
 253#ifdef CONFIG_SPL_OS_BOOT
 254int spl_start_uboot(void)
 255{
 256#ifdef CONFIG_SPL_SERIAL_SUPPORT
 257        /* break into full u-boot on 'c' */
 258        if (serial_tstc() && serial_getc() == 'c')
 259                return 1;
 260#endif
 261
 262#ifdef CONFIG_SPL_ENV_SUPPORT
 263        env_init();
 264        env_load();
 265        if (env_get_yesno("boot_os") != 1)
 266                return 1;
 267#endif
 268
 269        return 0;
 270}
 271#endif
 272
 273const struct dpll_params *get_dpll_ddr_params(void)
 274{
 275        int ind = get_sys_clk_index();
 276
 277        if (board_is_evm_sk())
 278                return &dpll_ddr3_303MHz[ind];
 279        else if (board_is_pb() || board_is_bone_lt() || board_is_icev2())
 280                return &dpll_ddr3_400MHz[ind];
 281        else if (board_is_evm_15_or_later())
 282                return &dpll_ddr3_303MHz[ind];
 283        else
 284                return &dpll_ddr2_266MHz[ind];
 285}
 286
 287static u8 bone_not_connected_to_ac_power(void)
 288{
 289        if (board_is_bone()) {
 290                uchar pmic_status_reg;
 291                if (tps65217_reg_read(TPS65217_STATUS,
 292                                      &pmic_status_reg))
 293                        return 1;
 294                if (!(pmic_status_reg & TPS65217_PWR_SRC_AC_BITMASK)) {
 295                        puts("No AC power, switching to default OPP\n");
 296                        return 1;
 297                }
 298        }
 299        return 0;
 300}
 301
 302const struct dpll_params *get_dpll_mpu_params(void)
 303{
 304        int ind = get_sys_clk_index();
 305        int freq = am335x_get_efuse_mpu_max_freq(cdev);
 306
 307        if (bone_not_connected_to_ac_power())
 308                freq = MPUPLL_M_600;
 309
 310        if (board_is_pb() || board_is_bone_lt())
 311                freq = MPUPLL_M_1000;
 312
 313        switch (freq) {
 314        case MPUPLL_M_1000:
 315                return &dpll_mpu_opp[ind][5];
 316        case MPUPLL_M_800:
 317                return &dpll_mpu_opp[ind][4];
 318        case MPUPLL_M_720:
 319                return &dpll_mpu_opp[ind][3];
 320        case MPUPLL_M_600:
 321                return &dpll_mpu_opp[ind][2];
 322        case MPUPLL_M_500:
 323                return &dpll_mpu_opp100;
 324        case MPUPLL_M_300:
 325                return &dpll_mpu_opp[ind][0];
 326        }
 327
 328        return &dpll_mpu_opp[ind][0];
 329}
 330
 331static void scale_vcores_bone(int freq)
 332{
 333        int usb_cur_lim, mpu_vdd;
 334
 335        /*
 336         * Only perform PMIC configurations if board rev > A1
 337         * on Beaglebone White
 338         */
 339        if (board_is_bone() && !strncmp(board_ti_get_rev(), "00A1", 4))
 340                return;
 341
 342#if !CONFIG_IS_ENABLED(DM_I2C)
 343        if (i2c_probe(TPS65217_CHIP_PM))
 344                return;
 345#else
 346        if (power_tps65217_init(0))
 347                return;
 348#endif
 349
 350
 351        /*
 352         * On Beaglebone White we need to ensure we have AC power
 353         * before increasing the frequency.
 354         */
 355        if (bone_not_connected_to_ac_power())
 356                freq = MPUPLL_M_600;
 357
 358        /*
 359         * Override what we have detected since we know if we have
 360         * a Beaglebone Black it supports 1GHz.
 361         */
 362        if (board_is_pb() || board_is_bone_lt())
 363                freq = MPUPLL_M_1000;
 364
 365        switch (freq) {
 366        case MPUPLL_M_1000:
 367                mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
 368                usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
 369                break;
 370        case MPUPLL_M_800:
 371                mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
 372                usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
 373                break;
 374        case MPUPLL_M_720:
 375                mpu_vdd = TPS65217_DCDC_VOLT_SEL_1200MV;
 376                usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
 377                break;
 378        case MPUPLL_M_600:
 379        case MPUPLL_M_500:
 380        case MPUPLL_M_300:
 381        default:
 382                mpu_vdd = TPS65217_DCDC_VOLT_SEL_1100MV;
 383                usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
 384                break;
 385        }
 386
 387        if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
 388                               TPS65217_POWER_PATH,
 389                               usb_cur_lim,
 390                               TPS65217_USB_INPUT_CUR_LIMIT_MASK))
 391                puts("tps65217_reg_write failure\n");
 392
 393        /* Set DCDC3 (CORE) voltage to 1.10V */
 394        if (tps65217_voltage_update(TPS65217_DEFDCDC3,
 395                                    TPS65217_DCDC_VOLT_SEL_1100MV)) {
 396                puts("tps65217_voltage_update failure\n");
 397                return;
 398        }
 399
 400        /* Set DCDC2 (MPU) voltage */
 401        if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
 402                puts("tps65217_voltage_update failure\n");
 403                return;
 404        }
 405
 406        /*
 407         * Set LDO3, LDO4 output voltage to 3.3V for Beaglebone.
 408         * Set LDO3 to 1.8V and LDO4 to 3.3V for Beaglebone Black.
 409         */
 410        if (board_is_bone()) {
 411                if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 412                                       TPS65217_DEFLS1,
 413                                       TPS65217_LDO_VOLTAGE_OUT_3_3,
 414                                       TPS65217_LDO_MASK))
 415                        puts("tps65217_reg_write failure\n");
 416        } else {
 417                if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 418                                       TPS65217_DEFLS1,
 419                                       TPS65217_LDO_VOLTAGE_OUT_1_8,
 420                                       TPS65217_LDO_MASK))
 421                        puts("tps65217_reg_write failure\n");
 422        }
 423
 424        if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 425                               TPS65217_DEFLS2,
 426                               TPS65217_LDO_VOLTAGE_OUT_3_3,
 427                               TPS65217_LDO_MASK))
 428                puts("tps65217_reg_write failure\n");
 429}
 430
 431void scale_vcores_generic(int freq)
 432{
 433        int sil_rev, mpu_vdd;
 434
 435        /*
 436         * The GP EVM, IDK and EVM SK use a TPS65910 PMIC.  For all
 437         * MPU frequencies we support we use a CORE voltage of
 438         * 1.10V.  For MPU voltage we need to switch based on
 439         * the frequency we are running at.
 440         */
 441#if !CONFIG_IS_ENABLED(DM_I2C)
 442        if (i2c_probe(TPS65910_CTRL_I2C_ADDR))
 443                return;
 444#else
 445        if (power_tps65910_init(0))
 446                return;
 447#endif
 448        /*
 449         * Depending on MPU clock and PG we will need a different
 450         * VDD to drive at that speed.
 451         */
 452        sil_rev = readl(&cdev->deviceid) >> 28;
 453        mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev, freq);
 454
 455        /* Tell the TPS65910 to use i2c */
 456        tps65910_set_i2c_control();
 457
 458        /* First update MPU voltage. */
 459        if (tps65910_voltage_update(MPU, mpu_vdd))
 460                return;
 461
 462        /* Second, update the CORE voltage. */
 463        if (tps65910_voltage_update(CORE, TPS65910_OP_REG_SEL_1_1_0))
 464                return;
 465
 466}
 467
 468void gpi2c_init(void)
 469{
 470        /* When needed to be invoked prior to BSS initialization */
 471        static bool first_time = true;
 472
 473        if (first_time) {
 474                enable_i2c0_pin_mux();
 475#if !CONFIG_IS_ENABLED(DM_I2C)
 476                i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED,
 477                         CONFIG_SYS_OMAP24_I2C_SLAVE);
 478#endif
 479                first_time = false;
 480        }
 481}
 482
 483void scale_vcores(void)
 484{
 485        int freq;
 486
 487        gpi2c_init();
 488        freq = am335x_get_efuse_mpu_max_freq(cdev);
 489
 490        if (board_is_beaglebonex())
 491                scale_vcores_bone(freq);
 492        else
 493                scale_vcores_generic(freq);
 494}
 495
 496void set_uart_mux_conf(void)
 497{
 498#if CONFIG_CONS_INDEX == 1
 499        enable_uart0_pin_mux();
 500#elif CONFIG_CONS_INDEX == 2
 501        enable_uart1_pin_mux();
 502#elif CONFIG_CONS_INDEX == 3
 503        enable_uart2_pin_mux();
 504#elif CONFIG_CONS_INDEX == 4
 505        enable_uart3_pin_mux();
 506#elif CONFIG_CONS_INDEX == 5
 507        enable_uart4_pin_mux();
 508#elif CONFIG_CONS_INDEX == 6
 509        enable_uart5_pin_mux();
 510#endif
 511}
 512
 513void set_mux_conf_regs(void)
 514{
 515        enable_board_pin_mux();
 516}
 517
 518const struct ctrl_ioregs ioregs_evmsk = {
 519        .cm0ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 520        .cm1ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 521        .cm2ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 522        .dt0ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 523        .dt1ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 524};
 525
 526const struct ctrl_ioregs ioregs_bonelt = {
 527        .cm0ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 528        .cm1ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 529        .cm2ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 530        .dt0ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 531        .dt1ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 532};
 533
 534const struct ctrl_ioregs ioregs_evm15 = {
 535        .cm0ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 536        .cm1ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 537        .cm2ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 538        .dt0ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 539        .dt1ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 540};
 541
 542const struct ctrl_ioregs ioregs = {
 543        .cm0ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 544        .cm1ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 545        .cm2ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 546        .dt0ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 547        .dt1ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 548};
 549
 550void sdram_init(void)
 551{
 552        if (board_is_evm_sk()) {
 553                /*
 554                 * EVM SK 1.2A and later use gpio0_7 to enable DDR3.
 555                 * This is safe enough to do on older revs.
 556                 */
 557                gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
 558                gpio_direction_output(GPIO_DDR_VTT_EN, 1);
 559        }
 560
 561        if (board_is_icev2()) {
 562                gpio_request(ICE_GPIO_DDR_VTT_EN, "ddr_vtt_en");
 563                gpio_direction_output(ICE_GPIO_DDR_VTT_EN, 1);
 564        }
 565
 566        if (board_is_evm_sk())
 567                config_ddr(303, &ioregs_evmsk, &ddr3_data,
 568                           &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
 569        else if (board_is_pb() || board_is_bone_lt())
 570                config_ddr(400, &ioregs_bonelt,
 571                           &ddr3_beagleblack_data,
 572                           &ddr3_beagleblack_cmd_ctrl_data,
 573                           &ddr3_beagleblack_emif_reg_data, 0);
 574        else if (board_is_evm_15_or_later())
 575                config_ddr(303, &ioregs_evm15, &ddr3_evm_data,
 576                           &ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0);
 577        else if (board_is_icev2())
 578                config_ddr(400, &ioregs_evmsk, &ddr3_icev2_data,
 579                           &ddr3_icev2_cmd_ctrl_data, &ddr3_icev2_emif_reg_data,
 580                           0);
 581        else if (board_is_gp_evm())
 582                config_ddr(266, &ioregs, &ddr2_data,
 583                           &ddr2_cmd_ctrl_data, &ddr2_evm_emif_reg_data, 0);
 584        else
 585                config_ddr(266, &ioregs, &ddr2_data,
 586                           &ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0);
 587}
 588#endif
 589
 590#if defined(CONFIG_CLOCK_SYNTHESIZER) && (!defined(CONFIG_SPL_BUILD) || \
 591        (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD)))
 592static void request_and_set_gpio(int gpio, char *name, int val)
 593{
 594        int ret;
 595
 596        ret = gpio_request(gpio, name);
 597        if (ret < 0) {
 598                printf("%s: Unable to request %s\n", __func__, name);
 599                return;
 600        }
 601
 602        ret = gpio_direction_output(gpio, 0);
 603        if (ret < 0) {
 604                printf("%s: Unable to set %s  as output\n", __func__, name);
 605                goto err_free_gpio;
 606        }
 607
 608        gpio_set_value(gpio, val);
 609
 610        return;
 611
 612err_free_gpio:
 613        gpio_free(gpio);
 614}
 615
 616#define REQUEST_AND_SET_GPIO(N) request_and_set_gpio(N, #N, 1);
 617#define REQUEST_AND_CLR_GPIO(N) request_and_set_gpio(N, #N, 0);
 618
 619/**
 620 * RMII mode on ICEv2 board needs 50MHz clock. Given the clock
 621 * synthesizer With a capacitor of 18pF, and 25MHz input clock cycle
 622 * PLL1 gives an output of 100MHz. So, configuring the div2/3 as 2 to
 623 * give 50MHz output for Eth0 and 1.
 624 */
 625static struct clk_synth cdce913_data = {
 626        .id = 0x81,
 627        .capacitor = 0x90,
 628        .mux = 0x6d,
 629        .pdiv2 = 0x2,
 630        .pdiv3 = 0x2,
 631};
 632#endif
 633
 634#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_CONTROL) && \
 635        defined(CONFIG_DM_ETH) && defined(CONFIG_DRIVER_TI_CPSW)
 636
 637#define MAX_CPSW_SLAVES 2
 638
 639/* At the moment, we do not want to stop booting for any failures here */
 640int ft_board_setup(void *fdt, struct bd_info *bd)
 641{
 642        const char *slave_path, *enet_name;
 643        int enetnode, slavenode, phynode;
 644        struct udevice *ethdev;
 645        char alias[16];
 646        u32 phy_id[2];
 647        int phy_addr;
 648        int i, ret;
 649
 650        /* phy address fixup needed only on beagle bone family */
 651        if (!board_is_beaglebonex())
 652                goto done;
 653
 654        for (i = 0; i < MAX_CPSW_SLAVES; i++) {
 655                sprintf(alias, "ethernet%d", i);
 656
 657                slave_path = fdt_get_alias(fdt, alias);
 658                if (!slave_path)
 659                        continue;
 660
 661                slavenode = fdt_path_offset(fdt, slave_path);
 662                if (slavenode < 0)
 663                        continue;
 664
 665                enetnode = fdt_parent_offset(fdt, slavenode);
 666                enet_name = fdt_get_name(fdt, enetnode, NULL);
 667
 668                ethdev = eth_get_dev_by_name(enet_name);
 669                if (!ethdev)
 670                        continue;
 671
 672                phy_addr = cpsw_get_slave_phy_addr(ethdev, i);
 673
 674                /* check for phy_id as well as phy-handle properties */
 675                ret = fdtdec_get_int_array_count(fdt, slavenode, "phy_id",
 676                                                 phy_id, 2);
 677                if (ret == 2) {
 678                        if (phy_id[1] != phy_addr) {
 679                                printf("fixing up phy_id for %s, old: %d, new: %d\n",
 680                                       alias, phy_id[1], phy_addr);
 681
 682                                phy_id[0] = cpu_to_fdt32(phy_id[0]);
 683                                phy_id[1] = cpu_to_fdt32(phy_addr);
 684                                do_fixup_by_path(fdt, slave_path, "phy_id",
 685                                                 phy_id, sizeof(phy_id), 0);
 686                        }
 687                } else {
 688                        phynode = fdtdec_lookup_phandle(fdt, slavenode,
 689                                                        "phy-handle");
 690                        if (phynode < 0)
 691                                continue;
 692
 693                        ret = fdtdec_get_int(fdt, phynode, "reg", -ENOENT);
 694                        if (ret < 0)
 695                                continue;
 696
 697                        if (ret != phy_addr) {
 698                                printf("fixing up phy-handle for %s, old: %d, new: %d\n",
 699                                       alias, ret, phy_addr);
 700
 701                                fdt_setprop_u32(fdt, phynode, "reg",
 702                                                cpu_to_fdt32(phy_addr));
 703                        }
 704                }
 705        }
 706
 707done:
 708        return 0;
 709}
 710#endif
 711
 712/*
 713 * Basic board specific setup.  Pinmux has been handled already.
 714 */
 715int board_init(void)
 716{
 717#if defined(CONFIG_HW_WATCHDOG)
 718        hw_watchdog_init();
 719#endif
 720
 721        gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 722#if defined(CONFIG_NOR) || defined(CONFIG_MTD_RAW_NAND)
 723        gpmc_init();
 724#endif
 725
 726#if defined(CONFIG_CLOCK_SYNTHESIZER) && (!defined(CONFIG_SPL_BUILD) || \
 727        (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD)))
 728        if (board_is_icev2()) {
 729                int rv;
 730                u32 reg;
 731
 732                REQUEST_AND_SET_GPIO(GPIO_PR1_MII_CTRL);
 733                /* Make J19 status available on GPIO1_26 */
 734                REQUEST_AND_CLR_GPIO(GPIO_MUX_MII_CTRL);
 735
 736                REQUEST_AND_SET_GPIO(GPIO_FET_SWITCH_CTRL);
 737                /*
 738                 * Both ports can be set as RMII-CPSW or MII-PRU-ETH using
 739                 * jumpers near the port. Read the jumper value and set
 740                 * the pinmux, external mux and PHY clock accordingly.
 741                 * As jumper line is overridden by PHY RX_DV pin immediately
 742                 * after bootstrap (power-up/reset), we need to sample
 743                 * it during PHY reset using GPIO rising edge detection.
 744                 */
 745                REQUEST_AND_SET_GPIO(GPIO_PHY_RESET);
 746                /* Enable rising edge IRQ on GPIO0_11 and GPIO 1_26 */
 747                reg = readl(GPIO0_RISINGDETECT) | BIT(11);
 748                writel(reg, GPIO0_RISINGDETECT);
 749                reg = readl(GPIO1_RISINGDETECT) | BIT(26);
 750                writel(reg, GPIO1_RISINGDETECT);
 751                /* Reset PHYs to capture the Jumper setting */
 752                gpio_set_value(GPIO_PHY_RESET, 0);
 753                udelay(2);      /* PHY datasheet states 1uS min. */
 754                gpio_set_value(GPIO_PHY_RESET, 1);
 755
 756                reg = readl(GPIO0_IRQSTATUSRAW) & BIT(11);
 757                if (reg) {
 758                        writel(reg, GPIO0_IRQSTATUS1); /* clear irq */
 759                        /* RMII mode */
 760                        printf("ETH0, CPSW\n");
 761                } else {
 762                        /* MII mode */
 763                        printf("ETH0, PRU\n");
 764                        cdce913_data.pdiv3 = 4; /* 25MHz PHY clk */
 765                }
 766
 767                reg = readl(GPIO1_IRQSTATUSRAW) & BIT(26);
 768                if (reg) {
 769                        writel(reg, GPIO1_IRQSTATUS1); /* clear irq */
 770                        /* RMII mode */
 771                        printf("ETH1, CPSW\n");
 772                        gpio_set_value(GPIO_MUX_MII_CTRL, 1);
 773                } else {
 774                        /* MII mode */
 775                        printf("ETH1, PRU\n");
 776                        cdce913_data.pdiv2 = 4; /* 25MHz PHY clk */
 777                }
 778
 779                /* disable rising edge IRQs */
 780                reg = readl(GPIO0_RISINGDETECT) & ~BIT(11);
 781                writel(reg, GPIO0_RISINGDETECT);
 782                reg = readl(GPIO1_RISINGDETECT) & ~BIT(26);
 783                writel(reg, GPIO1_RISINGDETECT);
 784
 785                rv = setup_clock_synthesizer(&cdce913_data);
 786                if (rv) {
 787                        printf("Clock synthesizer setup failed %d\n", rv);
 788                        return rv;
 789                }
 790
 791                /* reset PHYs */
 792                gpio_set_value(GPIO_PHY_RESET, 0);
 793                udelay(2);      /* PHY datasheet states 1uS min. */
 794                gpio_set_value(GPIO_PHY_RESET, 1);
 795        }
 796#endif
 797
 798        return 0;
 799}
 800
 801#ifdef CONFIG_BOARD_LATE_INIT
 802int board_late_init(void)
 803{
 804        struct udevice *dev;
 805#if !defined(CONFIG_SPL_BUILD)
 806        uint8_t mac_addr[6];
 807        uint32_t mac_hi, mac_lo;
 808#endif
 809
 810#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 811        char *name = NULL;
 812
 813        if (board_is_bone_lt()) {
 814                /* BeagleBoard.org BeagleBone Black Wireless: */
 815                if (!strncmp(board_ti_get_rev(), "BWA", 3)) {
 816                        name = "BBBW";
 817                }
 818                /* SeeedStudio BeagleBone Green Wireless */
 819                if (!strncmp(board_ti_get_rev(), "GW1", 3)) {
 820                        name = "BBGW";
 821                }
 822                /* BeagleBoard.org BeagleBone Blue */
 823                if (!strncmp(board_ti_get_rev(), "BLA", 3)) {
 824                        name = "BBBL";
 825                }
 826        }
 827
 828        if (board_is_bbg1())
 829                name = "BBG1";
 830        if (board_is_bben())
 831                name = "BBEN";
 832        set_board_info_env(name);
 833
 834        /*
 835         * Default FIT boot on HS devices. Non FIT images are not allowed
 836         * on HS devices.
 837         */
 838        if (get_device_type() == HS_DEVICE)
 839                env_set("boot_fit", "1");
 840#endif
 841
 842#if !defined(CONFIG_SPL_BUILD)
 843        /* try reading mac address from efuse */
 844        mac_lo = readl(&cdev->macid0l);
 845        mac_hi = readl(&cdev->macid0h);
 846        mac_addr[0] = mac_hi & 0xFF;
 847        mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 848        mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 849        mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 850        mac_addr[4] = mac_lo & 0xFF;
 851        mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 852
 853        if (!env_get("ethaddr")) {
 854                printf("<ethaddr> not set. Validating first E-fuse MAC\n");
 855
 856                if (is_valid_ethaddr(mac_addr))
 857                        eth_env_set_enetaddr("ethaddr", mac_addr);
 858        }
 859
 860        mac_lo = readl(&cdev->macid1l);
 861        mac_hi = readl(&cdev->macid1h);
 862        mac_addr[0] = mac_hi & 0xFF;
 863        mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 864        mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 865        mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 866        mac_addr[4] = mac_lo & 0xFF;
 867        mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 868
 869        if (!env_get("eth1addr")) {
 870                if (is_valid_ethaddr(mac_addr))
 871                        eth_env_set_enetaddr("eth1addr", mac_addr);
 872        }
 873#endif
 874
 875        if (!env_get("serial#")) {
 876                char *board_serial = env_get("board_serial");
 877                char *ethaddr = env_get("ethaddr");
 878
 879                if (!board_serial || !strncmp(board_serial, "unknown", 7))
 880                        env_set("serial#", ethaddr);
 881                else
 882                        env_set("serial#", board_serial);
 883        }
 884
 885        /* Just probe the potentially supported cdce913 device */
 886        uclass_get_device_by_name(UCLASS_CLK, "cdce913@65", &dev);
 887
 888        return 0;
 889}
 890#endif
 891
 892/* CPSW plat */
 893#if !CONFIG_IS_ENABLED(OF_CONTROL)
 894struct cpsw_slave_data slave_data[] = {
 895        {
 896                .slave_reg_ofs  = CPSW_SLAVE0_OFFSET,
 897                .sliver_reg_ofs = CPSW_SLIVER0_OFFSET,
 898                .phy_addr       = 0,
 899        },
 900        {
 901                .slave_reg_ofs  = CPSW_SLAVE1_OFFSET,
 902                .sliver_reg_ofs = CPSW_SLIVER1_OFFSET,
 903                .phy_addr       = 1,
 904        },
 905};
 906
 907struct cpsw_platform_data am335_eth_data = {
 908        .cpsw_base              = CPSW_BASE,
 909        .version                = CPSW_CTRL_VERSION_2,
 910        .bd_ram_ofs             = CPSW_BD_OFFSET,
 911        .ale_reg_ofs            = CPSW_ALE_OFFSET,
 912        .cpdma_reg_ofs          = CPSW_CPDMA_OFFSET,
 913        .mdio_div               = CPSW_MDIO_DIV,
 914        .host_port_reg_ofs      = CPSW_HOST_PORT_OFFSET,
 915        .channels               = 8,
 916        .slaves                 = 2,
 917        .slave_data             = slave_data,
 918        .ale_entries            = 1024,
 919        .mac_control            = 0x20,
 920        .active_slave           = 0,
 921        .mdio_base              = 0x4a101000,
 922        .gmii_sel               = 0x44e10650,
 923        .phy_sel_compat         = "ti,am3352-cpsw-phy-sel",
 924        .syscon_addr            = 0x44e10630,
 925        .macid_sel_compat       = "cpsw,am33xx",
 926};
 927
 928struct eth_pdata cpsw_pdata = {
 929        .iobase = 0x4a100000,
 930        .phy_interface = 0,
 931        .priv_pdata = &am335_eth_data,
 932};
 933
 934U_BOOT_DRVINFO(am335x_eth) = {
 935        .name = "eth_cpsw",
 936        .plat = &cpsw_pdata,
 937};
 938#endif
 939
 940#ifdef CONFIG_SPL_LOAD_FIT
 941int board_fit_config_name_match(const char *name)
 942{
 943        if (board_is_gp_evm() && !strcmp(name, "am335x-evm"))
 944                return 0;
 945        else if (board_is_bone() && !strcmp(name, "am335x-bone"))
 946                return 0;
 947        else if (board_is_bone_lt() && !strcmp(name, "am335x-boneblack"))
 948                return 0;
 949        else if (board_is_pb() && !strcmp(name, "am335x-pocketbeagle"))
 950                return 0;
 951        else if (board_is_evm_sk() && !strcmp(name, "am335x-evmsk"))
 952                return 0;
 953        else if (board_is_bbg1() && !strcmp(name, "am335x-bonegreen"))
 954                return 0;
 955        else if (board_is_icev2() && !strcmp(name, "am335x-icev2"))
 956                return 0;
 957        else
 958                return -1;
 959}
 960#endif
 961
 962#ifdef CONFIG_TI_SECURE_DEVICE
 963void board_fit_image_post_process(void **p_image, size_t *p_size)
 964{
 965        secure_boot_verify_image(p_image, p_size);
 966}
 967#endif
 968
 969#if !CONFIG_IS_ENABLED(OF_CONTROL)
 970static const struct omap_hsmmc_plat am335x_mmc0_plat = {
 971        .base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE,
 972        .cfg.host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_4BIT,
 973        .cfg.f_min = 400000,
 974        .cfg.f_max = 52000000,
 975        .cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195,
 976        .cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT,
 977};
 978
 979U_BOOT_DRVINFO(am335x_mmc0) = {
 980        .name = "omap_hsmmc",
 981        .plat = &am335x_mmc0_plat,
 982};
 983
 984static const struct omap_hsmmc_plat am335x_mmc1_plat = {
 985        .base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE,
 986        .cfg.host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_8BIT,
 987        .cfg.f_min = 400000,
 988        .cfg.f_max = 52000000,
 989        .cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195,
 990        .cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT,
 991};
 992
 993U_BOOT_DRVINFO(am335x_mmc1) = {
 994        .name = "omap_hsmmc",
 995        .plat = &am335x_mmc1_plat,
 996};
 997#endif
 998