board/freescale/mx53loco/mx53loco.c

   1 /*
   2  * Copyright (C) 2011 Freescale Semiconductor, Inc.
   3  * Jason Liu <r64343@freescale.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <asm/io.h>
  10 #include <asm/arch/imx-regs.h>
  11 #include <asm/arch/sys_proto.h>
  12 #include <asm/arch/crm_regs.h>
  13 #include <asm/arch/clock.h>
  14 #include <asm/arch/iomux-mx53.h>
  15 #include <asm/arch/clock.h>
  16 #include <asm/errno.h>
  17 #include <asm/imx-common/mx5_video.h>
  18 #include <netdev.h>
  19 #include <i2c.h>
  20 #include <mmc.h>
  21 #include <fsl_esdhc.h>
  22 #include <asm/gpio.h>
  23 #include <power/pmic.h>
  24 #include <dialog_pmic.h>
  25 #include <fsl_pmic.h>
  26 #include <linux/fb.h>
  27 #include <ipu_pixfmt.h>
  28
  29 #define MX53LOCO_LCD_POWER              IMX_GPIO_NR(3, 24)
  30
  31 DECLARE_GLOBAL_DATA_PTR;
  32
  33 int dram_init(void)
  34 {
  35         u32 size1, size2;
  36
  37         size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
  38         size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
  39
  40         gd->ram_size = size1 + size2;
  41
  42         return 0;
  43 }
  44 void dram_init_banksize(void)
  45 {
  46         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  47         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  48
  49         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  50         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  51 }
  52
  53 u32 get_board_rev(void)
  54 {
  55         struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
  56         struct fuse_bank *bank = &iim->bank[0];
  57         struct fuse_bank0_regs *fuse =
  58                 (struct fuse_bank0_regs *)bank->fuse_regs;
  59
  60         int rev = readl(&fuse->gp[6]);
  61
  62         if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR))
  63                 rev = 0;
  64
  65         return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
  66 }
  67
  68 #define UART_PAD_CTRL   (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
  69                          PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
  70
  71 static void setup_iomux_uart(void)
  72 {
  73         static const iomux_v3_cfg_t uart_pads[] = {
  74                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, UART_PAD_CTRL),
  75                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, UART_PAD_CTRL),
  76         };
  77
  78         imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
  79 }
  80
  81 #ifdef CONFIG_USB_EHCI_MX5
  82 int board_ehci_hcd_init(int port)
  83 {
  84         /* request VBUS power enable pin, GPIO7_8 */
  85         imx_iomux_v3_setup_pad(MX53_PAD_PATA_DA_2__GPIO7_8);
  86         gpio_direction_output(IMX_GPIO_NR(7, 8), 1);
  87         return 0;
  88 }
  89 #endif
  90
  91 static void setup_iomux_fec(void)
  92 {
  93         static const iomux_v3_cfg_t fec_pads[] = {
  94                 NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS |
  95                         PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP | PAD_CTL_ODE),
  96                 NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH),
  97                 NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1,
  98                                 PAD_CTL_HYS | PAD_CTL_PKE),
  99                 NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0,
 100                                 PAD_CTL_HYS | PAD_CTL_PKE),
 101                 NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH),
 102                 NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH),
 103                 NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH),
 104                 NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
 105                                 PAD_CTL_HYS | PAD_CTL_PKE),
 106                 NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER,
 107                                 PAD_CTL_HYS | PAD_CTL_PKE),
 108                 NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
 109                                 PAD_CTL_HYS | PAD_CTL_PKE),
 110         };
 111
 112         imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
 113 }
 114
 115 #ifdef CONFIG_FSL_ESDHC
 116 struct fsl_esdhc_cfg esdhc_cfg[2] = {
 117         {MMC_SDHC1_BASE_ADDR},
 118         {MMC_SDHC3_BASE_ADDR},
 119 };
 120
 121 int board_mmc_getcd(struct mmc *mmc)
 122 {
 123         struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 124         int ret;
 125
 126         imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA11__GPIO3_11);
 127         gpio_direction_input(IMX_GPIO_NR(3, 11));
 128         imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA13__GPIO3_13);
 129         gpio_direction_input(IMX_GPIO_NR(3, 13));
 130
 131         if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
 132                 ret = !gpio_get_value(IMX_GPIO_NR(3, 13));
 133         else
 134                 ret = !gpio_get_value(IMX_GPIO_NR(3, 11));
 135
 136         return ret;
 137 }
 138
 139 #define SD_CMD_PAD_CTRL         (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
 140                                  PAD_CTL_PUS_100K_UP)
 141 #define SD_PAD_CTRL             (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
 142                                  PAD_CTL_DSE_HIGH)
 143
 144 int board_mmc_init(bd_t *bis)
 145 {
 146         static const iomux_v3_cfg_t sd1_pads[] = {
 147                 NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
 148                 NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_PAD_CTRL),
 149                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL),
 150                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL),
 151                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL),
 152                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL),
 153                 MX53_PAD_EIM_DA13__GPIO3_13,
 154         };
 155
 156         static const iomux_v3_cfg_t sd2_pads[] = {
 157                 NEW_PAD_CTRL(MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
 158                                 SD_CMD_PAD_CTRL),
 159                 NEW_PAD_CTRL(MX53_PAD_PATA_IORDY__ESDHC3_CLK, SD_PAD_CTRL),
 160                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA8__ESDHC3_DAT0, SD_PAD_CTRL),
 161                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA9__ESDHC3_DAT1, SD_PAD_CTRL),
 162                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA10__ESDHC3_DAT2, SD_PAD_CTRL),
 163                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA11__ESDHC3_DAT3, SD_PAD_CTRL),
 164                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA0__ESDHC3_DAT4, SD_PAD_CTRL),
 165                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA1__ESDHC3_DAT5, SD_PAD_CTRL),
 166                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA2__ESDHC3_DAT6, SD_PAD_CTRL),
 167                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA3__ESDHC3_DAT7, SD_PAD_CTRL),
 168                 MX53_PAD_EIM_DA11__GPIO3_11,
 169         };
 170
 171         u32 index;
 172         s32 status = 0;
 173
 174         esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 175         esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 176
 177         for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
 178                 switch (index) {
 179                 case 0:
 180                         imx_iomux_v3_setup_multiple_pads(sd1_pads,
 181                                                          ARRAY_SIZE(sd1_pads));
 182                         break;
 183                 case 1:
 184                         imx_iomux_v3_setup_multiple_pads(sd2_pads,
 185                                                          ARRAY_SIZE(sd2_pads));
 186                         break;
 187                 default:
 188                         printf("Warning: you configured more ESDHC controller"
 189                                 "(%d) as supported by the board(2)\n",
 190                                 CONFIG_SYS_FSL_ESDHC_NUM);
 191                         return status;
 192                 }
 193                 status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
 194         }
 195
 196         return status;
 197 }
 198 #endif
 199
 200 #define I2C_PAD_CTRL    (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \
 201                          PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
 202
 203 static void setup_iomux_i2c(void)
 204 {
 205         static const iomux_v3_cfg_t i2c1_pads[] = {
 206                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__I2C1_SDA, I2C_PAD_CTRL),
 207                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__I2C1_SCL, I2C_PAD_CTRL),
 208         };
 209
 210         imx_iomux_v3_setup_multiple_pads(i2c1_pads, ARRAY_SIZE(i2c1_pads));
 211 }
 212
 213 static int power_init(void)
 214 {
 215         unsigned int val;
 216         int ret;
 217         struct pmic *p;
 218
 219         if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR)) {
 220                 ret = pmic_dialog_init(I2C_PMIC);
 221                 if (ret)
 222                         return ret;
 223
 224                 p = pmic_get("DIALOG_PMIC");
 225                 if (!p)
 226                         return -ENODEV;
 227
 228                 /* Set VDDA to 1.25V */
 229                 val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V;
 230                 ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val);
 231                 if (ret) {
 232                         printf("Writing to BUCKCORE_REG failed: %d\n", ret);
 233                         return ret;
 234                 }
 235
 236                 pmic_reg_read(p, DA9053_SUPPLY_REG, &val);
 237                 val |= DA9052_SUPPLY_VBCOREGO;
 238                 ret = pmic_reg_write(p, DA9053_SUPPLY_REG, val);
 239                 if (ret) {
 240                         printf("Writing to SUPPLY_REG failed: %d\n", ret);
 241                         return ret;
 242                 }
 243
 244                 /* Set Vcc peripheral to 1.30V */
 245                 ret = pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62);
 246                 if (ret) {
 247                         printf("Writing to BUCKPRO_REG failed: %d\n", ret);
 248                         return ret;
 249                 }
 250
 251                 ret = pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62);
 252                 if (ret) {
 253                         printf("Writing to SUPPLY_REG failed: %d\n", ret);
 254                         return ret;
 255                 }
 256
 257                 return ret;
 258         }
 259
 260         if (!i2c_probe(CONFIG_SYS_FSL_PMIC_I2C_ADDR)) {
 261                 ret = pmic_init(I2C_PMIC);
 262                 if (ret)
 263                         return ret;
 264
 265                 p = pmic_get("FSL_PMIC");
 266                 if (!p)
 267                         return -ENODEV;
 268
 269                 /* Set VDDGP to 1.25V for 1GHz on SW1 */
 270                 pmic_reg_read(p, REG_SW_0, &val);
 271                 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_250V_MC34708;
 272                 ret = pmic_reg_write(p, REG_SW_0, val);
 273                 if (ret) {
 274                         printf("Writing to REG_SW_0 failed: %d\n", ret);
 275                         return ret;
 276                 }
 277
 278                 /* Set VCC as 1.30V on SW2 */
 279                 pmic_reg_read(p, REG_SW_1, &val);
 280                 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_300V_MC34708;
 281                 ret = pmic_reg_write(p, REG_SW_1, val);
 282                 if (ret) {
 283                         printf("Writing to REG_SW_1 failed: %d\n", ret);
 284                         return ret;
 285                 }
 286
 287                 /* Set global reset timer to 4s */
 288                 pmic_reg_read(p, REG_POWER_CTL2, &val);
 289                 val = (val & ~TIMER_MASK_MC34708) | TIMER_4S_MC34708;
 290                 ret = pmic_reg_write(p, REG_POWER_CTL2, val);
 291                 if (ret) {
 292                         printf("Writing to REG_POWER_CTL2 failed: %d\n", ret);
 293                         return ret;
 294                 }
 295
 296                 /* Set VUSBSEL and VUSBEN for USB PHY supply*/
 297                 pmic_reg_read(p, REG_MODE_0, &val);
 298                 val |= (VUSBSEL_MC34708 | VUSBEN_MC34708);
 299                 ret = pmic_reg_write(p, REG_MODE_0, val);
 300                 if (ret) {
 301                         printf("Writing to REG_MODE_0 failed: %d\n", ret);
 302                         return ret;
 303                 }
 304
 305                 /* Set SWBST to 5V in auto mode */
 306                 val = SWBST_AUTO;
 307                 ret = pmic_reg_write(p, SWBST_CTRL, val);
 308                 if (ret) {
 309                         printf("Writing to SWBST_CTRL failed: %d\n", ret);
 310                         return ret;
 311                 }
 312
 313                 return ret;
 314         }
 315
 316         return -1;
 317 }
 318
 319 static void clock_1GHz(void)
 320 {
 321         int ret;
 322         u32 ref_clk = MXC_HCLK;
 323         /*
 324          * After increasing voltage to 1.25V, we can switch
 325          * CPU clock to 1GHz and DDR to 400MHz safely
 326          */
 327         ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK);
 328         if (ret)
 329                 printf("CPU:   Switch CPU clock to 1GHZ failed\n");
 330
 331         ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK);
 332         ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK);
 333         if (ret)
 334                 printf("CPU:   Switch DDR clock to 400MHz failed\n");
 335 }
 336
 337 int board_early_init_f(void)
 338 {
 339         setup_iomux_uart();
 340         setup_iomux_fec();
 341         setup_iomux_lcd();
 342
 343         return 0;
 344 }
 345
 346 int print_cpuinfo(void)
 347 {
 348         u32 cpurev;
 349
 350         cpurev = get_cpu_rev();
 351         printf("CPU:   Freescale i.MX%x family rev%d.%d at %d MHz\n",
 352                 (cpurev & 0xFF000) >> 12,
 353                 (cpurev & 0x000F0) >> 4,
 354                 (cpurev & 0x0000F) >> 0,
 355                 mxc_get_clock(MXC_ARM_CLK) / 1000000);
 356         printf("Reset cause: %s\n", get_reset_cause());
 357         return 0;
 358 }
 359
 360 /*
 361  * Do not overwrite the console
 362  * Use always serial for U-Boot console
 363  */
 364 int overwrite_console(void)
 365 {
 366         return 1;
 367 }
 368
 369 int board_init(void)
 370 {
 371         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 372
 373         mxc_set_sata_internal_clock();
 374         setup_iomux_i2c();
 375
 376         return 0;
 377 }
 378
 379 int board_late_init(void)
 380 {
 381         if (!power_init())
 382                 clock_1GHz();
 383         print_cpuinfo();
 384
 385         return 0;
 386 }
 387
 388 int checkboard(void)
 389 {
 390         puts("Board: MX53 LOCO\n");
 391
 392         return 0;
 393 }