uboot/board/freescale/mx53loco/mx53loco.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (C) 2011 Freescale Semiconductor, Inc.
   4 * Jason Liu <r64343@freescale.com>
   5 */
   6
   7#include <common.h>
   8#include <init.h>
   9#include <log.h>
  10#include <asm/io.h>
  11#include <asm/arch/imx-regs.h>
  12#include <asm/arch/sys_proto.h>
  13#include <asm/arch/crm_regs.h>
  14#include <asm/arch/clock.h>
  15#include <asm/arch/iomux-mx53.h>
  16#include <asm/arch/clock.h>
  17#include <env.h>
  18#include <linux/errno.h>
  19#include <asm/mach-imx/mx5_video.h>
  20#include <netdev.h>
  21#include <i2c.h>
  22#include <input.h>
  23#include <mmc.h>
  24#include <fsl_esdhc_imx.h>
  25#include <asm/gpio.h>
  26#include <power/pmic.h>
  27#include <dialog_pmic.h>
  28#include <fsl_pmic.h>
  29#include <linux/fb.h>
  30#include <ipu_pixfmt.h>
  31
  32#define MX53LOCO_LCD_POWER              IMX_GPIO_NR(3, 24)
  33
  34DECLARE_GLOBAL_DATA_PTR;
  35
  36u32 get_board_rev(void)
  37{
  38        struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
  39        struct fuse_bank *bank = &iim->bank[0];
  40        struct fuse_bank0_regs *fuse =
  41                (struct fuse_bank0_regs *)bank->fuse_regs;
  42
  43        int rev = readl(&fuse->gp[6]);
  44
  45        if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR))
  46                rev = 0;
  47
  48        return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
  49}
  50
  51#define UART_PAD_CTRL   (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
  52                         PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
  53
  54static void setup_iomux_uart(void)
  55{
  56        static const iomux_v3_cfg_t uart_pads[] = {
  57                NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, UART_PAD_CTRL),
  58                NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, UART_PAD_CTRL),
  59        };
  60
  61        imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
  62}
  63
  64#ifdef CONFIG_USB_EHCI_MX5
  65int board_ehci_hcd_init(int port)
  66{
  67        /* request VBUS power enable pin, GPIO7_8 */
  68        imx_iomux_v3_setup_pad(MX53_PAD_PATA_DA_2__GPIO7_8);
  69        gpio_direction_output(IMX_GPIO_NR(7, 8), 1);
  70        return 0;
  71}
  72#endif
  73
  74static void setup_iomux_fec(void)
  75{
  76        static const iomux_v3_cfg_t fec_pads[] = {
  77                NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS |
  78                        PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP | PAD_CTL_ODE),
  79                NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH),
  80                NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1,
  81                                PAD_CTL_HYS | PAD_CTL_PKE),
  82                NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0,
  83                                PAD_CTL_HYS | PAD_CTL_PKE),
  84                NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH),
  85                NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH),
  86                NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH),
  87                NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
  88                                PAD_CTL_HYS | PAD_CTL_PKE),
  89                NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER,
  90                                PAD_CTL_HYS | PAD_CTL_PKE),
  91                NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
  92                                PAD_CTL_HYS | PAD_CTL_PKE),
  93        };
  94
  95        imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
  96}
  97
  98#ifdef CONFIG_FSL_ESDHC_IMX
  99struct fsl_esdhc_cfg esdhc_cfg[2] = {
 100        {MMC_SDHC1_BASE_ADDR},
 101        {MMC_SDHC3_BASE_ADDR},
 102};
 103
 104int board_mmc_getcd(struct mmc *mmc)
 105{
 106        struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 107        int ret;
 108
 109        imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA11__GPIO3_11);
 110        gpio_direction_input(IMX_GPIO_NR(3, 11));
 111        imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA13__GPIO3_13);
 112        gpio_direction_input(IMX_GPIO_NR(3, 13));
 113
 114        if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
 115                ret = !gpio_get_value(IMX_GPIO_NR(3, 13));
 116        else
 117                ret = !gpio_get_value(IMX_GPIO_NR(3, 11));
 118
 119        return ret;
 120}
 121
 122#define SD_CMD_PAD_CTRL         (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
 123                                 PAD_CTL_PUS_100K_UP)
 124#define SD_PAD_CTRL             (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
 125                                 PAD_CTL_DSE_HIGH)
 126
 127int board_mmc_init(struct bd_info *bis)
 128{
 129        static const iomux_v3_cfg_t sd1_pads[] = {
 130                NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
 131                NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_PAD_CTRL),
 132                NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL),
 133                NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL),
 134                NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL),
 135                NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL),
 136                MX53_PAD_EIM_DA13__GPIO3_13,
 137        };
 138
 139        static const iomux_v3_cfg_t sd2_pads[] = {
 140                NEW_PAD_CTRL(MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
 141                                SD_CMD_PAD_CTRL),
 142                NEW_PAD_CTRL(MX53_PAD_PATA_IORDY__ESDHC3_CLK, SD_PAD_CTRL),
 143                NEW_PAD_CTRL(MX53_PAD_PATA_DATA8__ESDHC3_DAT0, SD_PAD_CTRL),
 144                NEW_PAD_CTRL(MX53_PAD_PATA_DATA9__ESDHC3_DAT1, SD_PAD_CTRL),
 145                NEW_PAD_CTRL(MX53_PAD_PATA_DATA10__ESDHC3_DAT2, SD_PAD_CTRL),
 146                NEW_PAD_CTRL(MX53_PAD_PATA_DATA11__ESDHC3_DAT3, SD_PAD_CTRL),
 147                NEW_PAD_CTRL(MX53_PAD_PATA_DATA0__ESDHC3_DAT4, SD_PAD_CTRL),
 148                NEW_PAD_CTRL(MX53_PAD_PATA_DATA1__ESDHC3_DAT5, SD_PAD_CTRL),
 149                NEW_PAD_CTRL(MX53_PAD_PATA_DATA2__ESDHC3_DAT6, SD_PAD_CTRL),
 150                NEW_PAD_CTRL(MX53_PAD_PATA_DATA3__ESDHC3_DAT7, SD_PAD_CTRL),
 151                MX53_PAD_EIM_DA11__GPIO3_11,
 152        };
 153
 154        u32 index;
 155        int ret;
 156
 157        esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 158        esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 159
 160        for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
 161                switch (index) {
 162                case 0:
 163                        imx_iomux_v3_setup_multiple_pads(sd1_pads,
 164                                                         ARRAY_SIZE(sd1_pads));
 165                        break;
 166                case 1:
 167                        imx_iomux_v3_setup_multiple_pads(sd2_pads,
 168                                                         ARRAY_SIZE(sd2_pads));
 169                        break;
 170                default:
 171                        printf("Warning: you configured more ESDHC controller"
 172                                "(%d) as supported by the board(2)\n",
 173                                CONFIG_SYS_FSL_ESDHC_NUM);
 174                        return -EINVAL;
 175                }
 176                ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
 177                if (ret)
 178                        return ret;
 179        }
 180
 181        return 0;
 182}
 183#endif
 184
 185#define I2C_PAD_CTRL    (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \
 186                         PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
 187
 188static void setup_iomux_i2c(void)
 189{
 190        static const iomux_v3_cfg_t i2c1_pads[] = {
 191                NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__I2C1_SDA, I2C_PAD_CTRL),
 192                NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__I2C1_SCL, I2C_PAD_CTRL),
 193        };
 194
 195        imx_iomux_v3_setup_multiple_pads(i2c1_pads, ARRAY_SIZE(i2c1_pads));
 196}
 197
 198static int power_init(void)
 199{
 200        unsigned int val;
 201        int ret;
 202        struct pmic *p;
 203
 204        if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR)) {
 205                ret = pmic_dialog_init(I2C_PMIC);
 206                if (ret)
 207                        return ret;
 208
 209                p = pmic_get("DIALOG_PMIC");
 210                if (!p)
 211                        return -ENODEV;
 212
 213                env_set("fdt_file", "imx53-qsb.dtb");
 214
 215                /* Set VDDA to 1.25V */
 216                val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V;
 217                ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val);
 218                if (ret) {
 219                        printf("Writing to BUCKCORE_REG failed: %d\n", ret);
 220                        return ret;
 221                }
 222
 223                pmic_reg_read(p, DA9053_SUPPLY_REG, &val);
 224                val |= DA9052_SUPPLY_VBCOREGO;
 225                ret = pmic_reg_write(p, DA9053_SUPPLY_REG, val);
 226                if (ret) {
 227                        printf("Writing to SUPPLY_REG failed: %d\n", ret);
 228                        return ret;
 229                }
 230
 231                /* Set Vcc peripheral to 1.30V */
 232                ret = pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62);
 233                if (ret) {
 234                        printf("Writing to BUCKPRO_REG failed: %d\n", ret);
 235                        return ret;
 236                }
 237
 238                ret = pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62);
 239                if (ret) {
 240                        printf("Writing to SUPPLY_REG failed: %d\n", ret);
 241                        return ret;
 242                }
 243
 244                return ret;
 245        }
 246
 247        if (!i2c_probe(CONFIG_SYS_FSL_PMIC_I2C_ADDR)) {
 248                ret = pmic_init(I2C_0);
 249                if (ret)
 250                        return ret;
 251
 252                p = pmic_get("FSL_PMIC");
 253                if (!p)
 254                        return -ENODEV;
 255
 256                env_set("fdt_file", "imx53-qsrb.dtb");
 257
 258                /* Set VDDGP to 1.25V for 1GHz on SW1 */
 259                pmic_reg_read(p, REG_SW_0, &val);
 260                val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_250V_MC34708;
 261                ret = pmic_reg_write(p, REG_SW_0, val);
 262                if (ret) {
 263                        printf("Writing to REG_SW_0 failed: %d\n", ret);
 264                        return ret;
 265                }
 266
 267                /* Set VCC as 1.30V on SW2 */
 268                pmic_reg_read(p, REG_SW_1, &val);
 269                val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_300V_MC34708;
 270                ret = pmic_reg_write(p, REG_SW_1, val);
 271                if (ret) {
 272                        printf("Writing to REG_SW_1 failed: %d\n", ret);
 273                        return ret;
 274                }
 275
 276                /* Set global reset timer to 4s */
 277                pmic_reg_read(p, REG_POWER_CTL2, &val);
 278                val = (val & ~TIMER_MASK_MC34708) | TIMER_4S_MC34708;
 279                ret = pmic_reg_write(p, REG_POWER_CTL2, val);
 280                if (ret) {
 281                        printf("Writing to REG_POWER_CTL2 failed: %d\n", ret);
 282                        return ret;
 283                }
 284
 285                /* Set VUSBSEL and VUSBEN for USB PHY supply*/
 286                pmic_reg_read(p, REG_MODE_0, &val);
 287                val |= (VUSBSEL_MC34708 | VUSBEN_MC34708);
 288                ret = pmic_reg_write(p, REG_MODE_0, val);
 289                if (ret) {
 290                        printf("Writing to REG_MODE_0 failed: %d\n", ret);
 291                        return ret;
 292                }
 293
 294                /* Set SWBST to 5V in auto mode */
 295                val = SWBST_AUTO;
 296                ret = pmic_reg_write(p, SWBST_CTRL, val);
 297                if (ret) {
 298                        printf("Writing to SWBST_CTRL failed: %d\n", ret);
 299                        return ret;
 300                }
 301
 302                return ret;
 303        }
 304
 305        return -1;
 306}
 307
 308static void clock_1GHz(void)
 309{
 310        int ret;
 311        u32 ref_clk = MXC_HCLK;
 312        /*
 313         * After increasing voltage to 1.25V, we can switch
 314         * CPU clock to 1GHz and DDR to 400MHz safely
 315         */
 316        ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK);
 317        if (ret)
 318                printf("CPU:   Switch CPU clock to 1GHZ failed\n");
 319
 320        ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK);
 321        ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK);
 322        if (ret)
 323                printf("CPU:   Switch DDR clock to 400MHz failed\n");
 324}
 325
 326int board_early_init_f(void)
 327{
 328        setup_iomux_uart();
 329        setup_iomux_fec();
 330        setup_iomux_lcd();
 331
 332        return 0;
 333}
 334
 335/*
 336 * Do not overwrite the console
 337 * Use always serial for U-Boot console
 338 */
 339int overwrite_console(void)
 340{
 341        return 1;
 342}
 343
 344int board_init(void)
 345{
 346        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 347
 348        mxc_set_sata_internal_clock();
 349        setup_iomux_i2c();
 350
 351        return 0;
 352}
 353
 354int board_late_init(void)
 355{
 356        if (!power_init())
 357                clock_1GHz();
 358
 359        return 0;
 360}
 361
 362int checkboard(void)
 363{
 364        puts("Board: MX53 LOCO\n");
 365
 366        return 0;
 367}
 368