board/freescale/mx53loco/mx53loco.c

   1 /*
   2  * Copyright (C) 2011 Freescale Semiconductor, Inc.
   3  * Jason Liu <r64343@freescale.com>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <asm/io.h>
  26 #include <asm/arch/imx-regs.h>
  27 #include <asm/arch/sys_proto.h>
  28 #include <asm/arch/crm_regs.h>
  29 #include <asm/arch/clock.h>
  30 #include <asm/arch/iomux-mx53.h>
  31 #include <asm/arch/clock.h>
  32 #include <asm/errno.h>
  33 #include <asm/imx-common/mx5_video.h>
  34 #include <netdev.h>
  35 #include <i2c.h>
  36 #include <mmc.h>
  37 #include <fsl_esdhc.h>
  38 #include <asm/gpio.h>
  39 #include <power/pmic.h>
  40 #include <dialog_pmic.h>
  41 #include <fsl_pmic.h>
  42 #include <linux/fb.h>
  43 #include <ipu_pixfmt.h>
  44
  45 #define MX53LOCO_LCD_POWER              IMX_GPIO_NR(3, 24)
  46
  47 DECLARE_GLOBAL_DATA_PTR;
  48
  49 int dram_init(void)
  50 {
  51         u32 size1, size2;
  52
  53         size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
  54         size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
  55
  56         gd->ram_size = size1 + size2;
  57
  58         return 0;
  59 }
  60 void dram_init_banksize(void)
  61 {
  62         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  63         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  64
  65         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  66         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  67 }
  68
  69 u32 get_board_rev(void)
  70 {
  71         struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
  72         struct fuse_bank *bank = &iim->bank[0];
  73         struct fuse_bank0_regs *fuse =
  74                 (struct fuse_bank0_regs *)bank->fuse_regs;
  75
  76         int rev = readl(&fuse->gp[6]);
  77
  78         if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR))
  79                 rev = 0;
  80
  81         return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
  82 }
  83
  84 #define UART_PAD_CTRL   (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
  85                          PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
  86
  87 static void setup_iomux_uart(void)
  88 {
  89         static const iomux_v3_cfg_t uart_pads[] = {
  90                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, UART_PAD_CTRL),
  91                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, UART_PAD_CTRL),
  92         };
  93
  94         imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
  95 }
  96
  97 #ifdef CONFIG_USB_EHCI_MX5
  98 int board_ehci_hcd_init(int port)
  99 {
 100         /* request VBUS power enable pin, GPIO7_8 */
 101         imx_iomux_v3_setup_pad(MX53_PAD_PATA_DA_2__GPIO7_8);
 102         gpio_direction_output(IMX_GPIO_NR(7, 8), 1);
 103         return 0;
 104 }
 105 #endif
 106
 107 static void setup_iomux_fec(void)
 108 {
 109         static const iomux_v3_cfg_t fec_pads[] = {
 110                 NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS |
 111                         PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP | PAD_CTL_ODE),
 112                 NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH),
 113                 NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1,
 114                                 PAD_CTL_HYS | PAD_CTL_PKE),
 115                 NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0,
 116                                 PAD_CTL_HYS | PAD_CTL_PKE),
 117                 NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH),
 118                 NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH),
 119                 NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH),
 120                 NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
 121                                 PAD_CTL_HYS | PAD_CTL_PKE),
 122                 NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER,
 123                                 PAD_CTL_HYS | PAD_CTL_PKE),
 124                 NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
 125                                 PAD_CTL_HYS | PAD_CTL_PKE),
 126         };
 127
 128         imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
 129 }
 130
 131 #ifdef CONFIG_FSL_ESDHC
 132 struct fsl_esdhc_cfg esdhc_cfg[2] = {
 133         {MMC_SDHC1_BASE_ADDR},
 134         {MMC_SDHC3_BASE_ADDR},
 135 };
 136
 137 int board_mmc_getcd(struct mmc *mmc)
 138 {
 139         struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 140         int ret;
 141
 142         imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA11__GPIO3_11);
 143         gpio_direction_input(IMX_GPIO_NR(3, 11));
 144         imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA13__GPIO3_13);
 145         gpio_direction_input(IMX_GPIO_NR(3, 13));
 146
 147         if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
 148                 ret = !gpio_get_value(IMX_GPIO_NR(3, 13));
 149         else
 150                 ret = !gpio_get_value(IMX_GPIO_NR(3, 11));
 151
 152         return ret;
 153 }
 154
 155 #define SD_CMD_PAD_CTRL         (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
 156                                  PAD_CTL_PUS_100K_UP)
 157 #define SD_PAD_CTRL             (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
 158                                  PAD_CTL_DSE_HIGH)
 159
 160 int board_mmc_init(bd_t *bis)
 161 {
 162         static const iomux_v3_cfg_t sd1_pads[] = {
 163                 NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
 164                 NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_PAD_CTRL),
 165                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL),
 166                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL),
 167                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL),
 168                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL),
 169                 MX53_PAD_EIM_DA13__GPIO3_13,
 170         };
 171
 172         static const iomux_v3_cfg_t sd2_pads[] = {
 173                 NEW_PAD_CTRL(MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
 174                                 SD_CMD_PAD_CTRL),
 175                 NEW_PAD_CTRL(MX53_PAD_PATA_IORDY__ESDHC3_CLK, SD_PAD_CTRL),
 176                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA8__ESDHC3_DAT0, SD_PAD_CTRL),
 177                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA9__ESDHC3_DAT1, SD_PAD_CTRL),
 178                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA10__ESDHC3_DAT2, SD_PAD_CTRL),
 179                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA11__ESDHC3_DAT3, SD_PAD_CTRL),
 180                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA0__ESDHC3_DAT4, SD_PAD_CTRL),
 181                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA1__ESDHC3_DAT5, SD_PAD_CTRL),
 182                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA2__ESDHC3_DAT6, SD_PAD_CTRL),
 183                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA3__ESDHC3_DAT7, SD_PAD_CTRL),
 184                 MX53_PAD_EIM_DA11__GPIO3_11,
 185         };
 186
 187         u32 index;
 188         s32 status = 0;
 189
 190         esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 191         esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 192
 193         for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
 194                 switch (index) {
 195                 case 0:
 196                         imx_iomux_v3_setup_multiple_pads(sd1_pads,
 197                                                          ARRAY_SIZE(sd1_pads));
 198                         break;
 199                 case 1:
 200                         imx_iomux_v3_setup_multiple_pads(sd2_pads,
 201                                                          ARRAY_SIZE(sd2_pads));
 202                         break;
 203                 default:
 204                         printf("Warning: you configured more ESDHC controller"
 205                                 "(%d) as supported by the board(2)\n",
 206                                 CONFIG_SYS_FSL_ESDHC_NUM);
 207                         return status;
 208                 }
 209                 status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
 210         }
 211
 212         return status;
 213 }
 214 #endif
 215
 216 #define I2C_PAD_CTRL    (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \
 217                          PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
 218
 219 static void setup_iomux_i2c(void)
 220 {
 221         static const iomux_v3_cfg_t i2c1_pads[] = {
 222                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__I2C1_SDA, I2C_PAD_CTRL),
 223                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__I2C1_SCL, I2C_PAD_CTRL),
 224         };
 225
 226         imx_iomux_v3_setup_multiple_pads(i2c1_pads, ARRAY_SIZE(i2c1_pads));
 227 }
 228
 229 static int power_init(void)
 230 {
 231         unsigned int val;
 232         int ret;
 233         struct pmic *p;
 234
 235         if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR)) {
 236                 ret = pmic_dialog_init(I2C_PMIC);
 237                 if (ret)
 238                         return ret;
 239
 240                 p = pmic_get("DIALOG_PMIC");
 241                 if (!p)
 242                         return -ENODEV;
 243
 244                 /* Set VDDA to 1.25V */
 245                 val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V;
 246                 ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val);
 247                 if (ret) {
 248                         printf("Writing to BUCKCORE_REG failed: %d\n", ret);
 249                         return ret;
 250                 }
 251
 252                 pmic_reg_read(p, DA9053_SUPPLY_REG, &val);
 253                 val |= DA9052_SUPPLY_VBCOREGO;
 254                 ret = pmic_reg_write(p, DA9053_SUPPLY_REG, val);
 255                 if (ret) {
 256                         printf("Writing to SUPPLY_REG failed: %d\n", ret);
 257                         return ret;
 258                 }
 259
 260                 /* Set Vcc peripheral to 1.30V */
 261                 ret = pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62);
 262                 if (ret) {
 263                         printf("Writing to BUCKPRO_REG failed: %d\n", ret);
 264                         return ret;
 265                 }
 266
 267                 ret = pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62);
 268                 if (ret) {
 269                         printf("Writing to SUPPLY_REG failed: %d\n", ret);
 270                         return ret;
 271                 }
 272
 273                 return ret;
 274         }
 275
 276         if (!i2c_probe(CONFIG_SYS_FSL_PMIC_I2C_ADDR)) {
 277                 ret = pmic_init(I2C_PMIC);
 278                 if (ret)
 279                         return ret;
 280
 281                 p = pmic_get("FSL_PMIC");
 282                 if (!p)
 283                         return -ENODEV;
 284
 285                 /* Set VDDGP to 1.25V for 1GHz on SW1 */
 286                 pmic_reg_read(p, REG_SW_0, &val);
 287                 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_250V_MC34708;
 288                 ret = pmic_reg_write(p, REG_SW_0, val);
 289                 if (ret) {
 290                         printf("Writing to REG_SW_0 failed: %d\n", ret);
 291                         return ret;
 292                 }
 293
 294                 /* Set VCC as 1.30V on SW2 */
 295                 pmic_reg_read(p, REG_SW_1, &val);
 296                 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_300V_MC34708;
 297                 ret = pmic_reg_write(p, REG_SW_1, val);
 298                 if (ret) {
 299                         printf("Writing to REG_SW_1 failed: %d\n", ret);
 300                         return ret;
 301                 }
 302
 303                 /* Set global reset timer to 4s */
 304                 pmic_reg_read(p, REG_POWER_CTL2, &val);
 305                 val = (val & ~TIMER_MASK_MC34708) | TIMER_4S_MC34708;
 306                 ret = pmic_reg_write(p, REG_POWER_CTL2, val);
 307                 if (ret) {
 308                         printf("Writing to REG_POWER_CTL2 failed: %d\n", ret);
 309                         return ret;
 310                 }
 311
 312                 /* Set VUSBSEL and VUSBEN for USB PHY supply*/
 313                 pmic_reg_read(p, REG_MODE_0, &val);
 314                 val |= (VUSBSEL_MC34708 | VUSBEN_MC34708);
 315                 ret = pmic_reg_write(p, REG_MODE_0, val);
 316                 if (ret) {
 317                         printf("Writing to REG_MODE_0 failed: %d\n", ret);
 318                         return ret;
 319                 }
 320
 321                 /* Set SWBST to 5V in auto mode */
 322                 val = SWBST_AUTO;
 323                 ret = pmic_reg_write(p, SWBST_CTRL, val);
 324                 if (ret) {
 325                         printf("Writing to SWBST_CTRL failed: %d\n", ret);
 326                         return ret;
 327                 }
 328
 329                 return ret;
 330         }
 331
 332         return -1;
 333 }
 334
 335 static void clock_1GHz(void)
 336 {
 337         int ret;
 338         u32 ref_clk = MXC_HCLK;
 339         /*
 340          * After increasing voltage to 1.25V, we can switch
 341          * CPU clock to 1GHz and DDR to 400MHz safely
 342          */
 343         ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK);
 344         if (ret)
 345                 printf("CPU:   Switch CPU clock to 1GHZ failed\n");
 346
 347         ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK);
 348         ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK);
 349         if (ret)
 350                 printf("CPU:   Switch DDR clock to 400MHz failed\n");
 351 }
 352
 353 int board_early_init_f(void)
 354 {
 355         setup_iomux_uart();
 356         setup_iomux_fec();
 357         setup_iomux_lcd();
 358
 359         return 0;
 360 }
 361
 362 int print_cpuinfo(void)
 363 {
 364         u32 cpurev;
 365
 366         cpurev = get_cpu_rev();
 367         printf("CPU:   Freescale i.MX%x family rev%d.%d at %d MHz\n",
 368                 (cpurev & 0xFF000) >> 12,
 369                 (cpurev & 0x000F0) >> 4,
 370                 (cpurev & 0x0000F) >> 0,
 371                 mxc_get_clock(MXC_ARM_CLK) / 1000000);
 372         printf("Reset cause: %s\n", get_reset_cause());
 373         return 0;
 374 }
 375
 376 /*
 377  * Do not overwrite the console
 378  * Use always serial for U-Boot console
 379  */
 380 int overwrite_console(void)
 381 {
 382         return 1;
 383 }
 384
 385 int board_init(void)
 386 {
 387         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 388
 389         mxc_set_sata_internal_clock();
 390         setup_iomux_i2c();
 391
 392         return 0;
 393 }
 394
 395 int board_late_init(void)
 396 {
 397         if (!power_init())
 398                 clock_1GHz();
 399         print_cpuinfo();
 400
 401         return 0;
 402 }
 403
 404 int checkboard(void)
 405 {
 406         puts("Board: MX53 LOCO\n");
 407
 408         return 0;
 409 }