board/tcl/sl50/board.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * board.c
   4  *
   5  * Board functions for TCL SL50 board
   6  *
   7  * Copyright (C) 2011, Texas Instruments, Incorporated - https://www.ti.com/
   8  */
   9
  10 #include <config.h>
  11 #include <env.h>
  12 #include <errno.h>
  13 #include <init.h>
  14 #include <net.h>
  15 #include <serial.h>
  16 #include <spl.h>
  17 #include <asm/arch/cpu.h>
  18 #include <asm/arch/hardware.h>
  19 #include <asm/arch/omap.h>
  20 #include <asm/arch/ddr_defs.h>
  21 #include <asm/arch/clock.h>
  22 #include <asm/arch/gpio.h>
  23 #include <asm/arch/mmc_host_def.h>
  24 #include <asm/arch/sys_proto.h>
  25 #include <asm/arch/mem.h>
  26 #include <asm/global_data.h>
  27 #include <asm/io.h>
  28 #include <asm/emif.h>
  29 #include <asm/gpio.h>
  30 #include <i2c.h>
  31 #include <miiphy.h>
  32 #include <cpsw.h>
  33 #include <power/tps65217.h>
  34 #include <power/tps65910.h>
  35 #include <env_internal.h>
  36 #include <watchdog.h>
  37 #include "board.h"
  38
  39 DECLARE_GLOBAL_DATA_PTR;
  40
  41 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
  42
  43 #if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT)
  44
  45 static const struct ddr_data ddr3_sl50_data = {
  46         .datardsratio0 = MT41K256M16HA125E_RD_DQS,
  47         .datawdsratio0 = MT41K256M16HA125E_WR_DQS,
  48         .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
  49         .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
  50 };
  51
  52 static const struct cmd_control ddr3_sl50_cmd_ctrl_data = {
  53         .cmd0csratio = MT41K256M16HA125E_RATIO,
  54         .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
  55
  56         .cmd1csratio = MT41K256M16HA125E_RATIO,
  57         .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
  58
  59         .cmd2csratio = MT41K256M16HA125E_RATIO,
  60         .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
  61 };
  62
  63 static struct emif_regs ddr3_sl50_emif_reg_data = {
  64         .sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
  65         .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
  66         .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
  67         .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
  68         .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
  69         .zq_config = MT41K256M16HA125E_ZQ_CFG,
  70         .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
  71 };
  72
  73 #ifdef CONFIG_SPL_OS_BOOT
  74 int spl_start_uboot(void)
  75 {
  76         /* break into full u-boot on 'c' */
  77         if (serial_tstc() && serial_getc() == 'c')
  78                 return 1;
  79
  80 #ifdef CONFIG_SPL_ENV_SUPPORT
  81         env_init();
  82         env_load();
  83         if (env_get_yesno("boot_os") != 1)
  84                 return 1;
  85 #endif
  86
  87         return 0;
  88 }
  89 #endif
  90
  91 #define OSC     (V_OSCK/1000000)
  92 const struct dpll_params dpll_ddr_sl50 = {
  93                 400, OSC-1, 1, -1, -1, -1, -1};
  94
  95 void am33xx_spl_board_init(void)
  96 {
  97         int mpu_vdd;
  98
  99         /* Get the frequency */
 100         dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
 101
 102         /* BeagleBone PMIC Code */
 103         int usb_cur_lim;
 104
 105         if (i2c_probe(TPS65217_CHIP_PM))
 106                 return;
 107
 108         /*
 109          * Increase USB current limit to 1300mA or 1800mA and set
 110          * the MPU voltage controller as needed.
 111          */
 112         if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
 113                 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
 114                 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
 115         } else {
 116                 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
 117                 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
 118         }
 119
 120         if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
 121                                TPS65217_POWER_PATH,
 122                                usb_cur_lim,
 123                                TPS65217_USB_INPUT_CUR_LIMIT_MASK))
 124                 puts("tps65217_reg_write failure\n");
 125
 126         /* Set DCDC3 (CORE) voltage to 1.125V */
 127         if (tps65217_voltage_update(TPS65217_DEFDCDC3,
 128                                     TPS65217_DCDC_VOLT_SEL_1125MV)) {
 129                 puts("tps65217_voltage_update failure\n");
 130                 return;
 131         }
 132
 133         /* Set CORE Frequencies to OPP100 */
 134         do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
 135
 136         /* Set DCDC2 (MPU) voltage */
 137         if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
 138                 puts("tps65217_voltage_update failure\n");
 139                 return;
 140         }
 141
 142         /*
 143          * Set LDO3 to 1.8V and LDO4 to 3.3V
 144          */
 145         if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 146                                TPS65217_DEFLS1,
 147                                TPS65217_LDO_VOLTAGE_OUT_1_8,
 148                                TPS65217_LDO_MASK))
 149                 puts("tps65217_reg_write failure\n");
 150
 151         if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
 152                                TPS65217_DEFLS2,
 153                                TPS65217_LDO_VOLTAGE_OUT_3_3,
 154                                TPS65217_LDO_MASK))
 155                 puts("tps65217_reg_write failure\n");
 156
 157         /* Set MPU Frequency to what we detected now that voltages are set */
 158         do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
 159 }
 160
 161 const struct dpll_params *get_dpll_ddr_params(void)
 162 {
 163         enable_i2c0_pin_mux();
 164         i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 165
 166         return &dpll_ddr_sl50;
 167 }
 168
 169 void set_uart_mux_conf(void)
 170 {
 171 #if CONFIG_CONS_INDEX == 1
 172         enable_uart0_pin_mux();
 173 #elif CONFIG_CONS_INDEX == 2
 174         enable_uart1_pin_mux();
 175 #elif CONFIG_CONS_INDEX == 3
 176         enable_uart2_pin_mux();
 177 #elif CONFIG_CONS_INDEX == 4
 178         enable_uart3_pin_mux();
 179 #elif CONFIG_CONS_INDEX == 5
 180         enable_uart4_pin_mux();
 181 #elif CONFIG_CONS_INDEX == 6
 182         enable_uart5_pin_mux();
 183 #endif
 184 }
 185
 186 void set_mux_conf_regs(void)
 187 {
 188         enable_board_pin_mux();
 189 }
 190
 191 const struct ctrl_ioregs ioregs_evmsk = {
 192         .cm0ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 193         .cm1ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 194         .cm2ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 195         .dt0ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 196         .dt1ioctl               = MT41J128MJT125_IOCTRL_VALUE,
 197 };
 198
 199 const struct ctrl_ioregs ioregs_bonelt = {
 200         .cm0ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 201         .cm1ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 202         .cm2ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 203         .dt0ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 204         .dt1ioctl               = MT41K256M16HA125E_IOCTRL_VALUE,
 205 };
 206
 207 const struct ctrl_ioregs ioregs_evm15 = {
 208         .cm0ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 209         .cm1ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 210         .cm2ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 211         .dt0ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 212         .dt1ioctl               = MT41J512M8RH125_IOCTRL_VALUE,
 213 };
 214
 215 const struct ctrl_ioregs ioregs = {
 216         .cm0ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 217         .cm1ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 218         .cm2ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 219         .dt0ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 220         .dt1ioctl               = MT47H128M16RT25E_IOCTRL_VALUE,
 221 };
 222
 223 void sdram_init(void)
 224 {
 225         config_ddr(400, &ioregs_bonelt,
 226                    &ddr3_sl50_data,
 227                    &ddr3_sl50_cmd_ctrl_data,
 228                    &ddr3_sl50_emif_reg_data, 0);
 229 }
 230 #endif
 231
 232 /*
 233  * Basic board specific setup.  Pinmux has been handled already.
 234  */
 235 int board_init(void)
 236 {
 237 #if defined(CONFIG_HW_WATCHDOG)
 238         hw_watchdog_init();
 239 #endif
 240
 241         gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100;
 242         return 0;
 243 }
 244
 245 #ifdef CONFIG_BOARD_LATE_INIT
 246 int board_late_init(void)
 247 {
 248         return 0;
 249 }
 250 #endif
 251
 252 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
 253         (defined(CONFIG_SPL_ETH) && defined(CONFIG_SPL_BUILD))
 254 static void cpsw_control(int enabled)
 255 {
 256         /* VTP can be added here */
 257
 258         return;
 259 }
 260
 261 static struct cpsw_slave_data cpsw_slaves[] = {
 262         {
 263                 .slave_reg_ofs  = 0x208,
 264                 .sliver_reg_ofs = 0xd80,
 265                 .phy_addr       = 0,
 266         },
 267         {
 268                 .slave_reg_ofs  = 0x308,
 269                 .sliver_reg_ofs = 0xdc0,
 270                 .phy_addr       = 1,
 271         },
 272 };
 273
 274 static struct cpsw_platform_data cpsw_data = {
 275         .mdio_base              = CPSW_MDIO_BASE,
 276         .cpsw_base              = CPSW_BASE,
 277         .mdio_div               = 0xff,
 278         .channels               = 8,
 279         .cpdma_reg_ofs          = 0x800,
 280         .slaves                 = 1,
 281         .slave_data             = cpsw_slaves,
 282         .ale_reg_ofs            = 0xd00,
 283         .ale_entries            = 1024,
 284         .host_port_reg_ofs      = 0x108,
 285         .hw_stats_reg_ofs       = 0x900,
 286         .bd_ram_ofs             = 0x2000,
 287         .mac_control            = (1 << 5),
 288         .control                = cpsw_control,
 289         .host_port_num          = 0,
 290         .version                = CPSW_CTRL_VERSION_2,
 291 };
 292 #endif
 293
 294 /*
 295  * This function will:
 296  * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
 297  * in the environment
 298  * Perform fixups to the PHY present on certain boards.  We only need this
 299  * function in:
 300  * - SPL with either CPSW or USB ethernet support
 301  * - Full U-Boot, with either CPSW or USB ethernet
 302  * Build in only these cases to avoid warnings about unused variables
 303  * when we build an SPL that has neither option but full U-Boot will.
 304  */
 305 #if ((defined(CONFIG_SPL_ETH) || defined(CONFIG_SPL_USB_ETHER)) \
 306                 && defined(CONFIG_SPL_BUILD)) || \
 307         ((defined(CONFIG_DRIVER_TI_CPSW) || \
 308           defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
 309          !defined(CONFIG_SPL_BUILD))
 310 int board_eth_init(struct bd_info *bis)
 311 {
 312         int rv, n = 0;
 313         uint8_t mac_addr[6];
 314         uint32_t mac_hi, mac_lo;
 315
 316         /* try reading mac address from efuse */
 317         mac_lo = readl(&cdev->macid0l);
 318         mac_hi = readl(&cdev->macid0h);
 319         mac_addr[0] = mac_hi & 0xFF;
 320         mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 321         mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 322         mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 323         mac_addr[4] = mac_lo & 0xFF;
 324         mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 325
 326 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
 327         (defined(CONFIG_SPL_ETH) && defined(CONFIG_SPL_BUILD))
 328         if (!env_get("ethaddr")) {
 329                 printf("<ethaddr> not set. Validating first E-fuse MAC\n");
 330
 331                 if (is_valid_ethaddr(mac_addr))
 332                         eth_env_set_enetaddr("ethaddr", mac_addr);
 333         }
 334
 335 #ifdef CONFIG_DRIVER_TI_CPSW
 336
 337         mac_lo = readl(&cdev->macid1l);
 338         mac_hi = readl(&cdev->macid1h);
 339         mac_addr[0] = mac_hi & 0xFF;
 340         mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 341         mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 342         mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 343         mac_addr[4] = mac_lo & 0xFF;
 344         mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 345
 346         if (!env_get("eth1addr")) {
 347                 if (is_valid_ethaddr(mac_addr))
 348                         eth_env_set_enetaddr("eth1addr", mac_addr);
 349         }
 350
 351
 352         writel(MII_MODE_ENABLE, &cdev->miisel);
 353         cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
 354                                 PHY_INTERFACE_MODE_MII;
 355
 356         rv = cpsw_register(&cpsw_data);
 357         if (rv < 0)
 358                 printf("Error %d registering CPSW switch\n", rv);
 359         else
 360                 n += rv;
 361 #endif
 362
 363         /*
 364          *
 365          * CPSW RGMII Internal Delay Mode is not supported in all PVT
 366          * operating points.  So we must set the TX clock delay feature
 367          * in the AR8051 PHY.  Since we only support a single ethernet
 368          * device in U-Boot, we only do this for the first instance.
 369          */
 370 #define AR8051_PHY_DEBUG_ADDR_REG       0x1d
 371 #define AR8051_PHY_DEBUG_DATA_REG       0x1e
 372 #define AR8051_DEBUG_RGMII_CLK_DLY_REG  0x5
 373 #define AR8051_RGMII_TX_CLK_DLY         0x100
 374
 375 #endif
 376 #if defined(CONFIG_USB_ETHER) && \
 377         (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USB_ETHER))
 378         if (is_valid_ether_addr(mac_addr))
 379                 eth_env_set_enetaddr("usbnet_devaddr", mac_addr);
 380
 381         rv = usb_eth_initialize(bis);
 382         if (rv < 0)
 383                 printf("Error %d registering USB_ETHER\n", rv);
 384         else
 385                 n += rv;
 386 #endif
 387         return n;
 388 }
 389 #endif