board/freescale/mx53evk/mx53evk.c

   1 /*
   2  * (C) Copyright 2010 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <asm/io.h>
   9 #include <asm/arch/imx-regs.h>
  10 #include <asm/arch/sys_proto.h>
  11 #include <asm/arch/crm_regs.h>
  12 #include <asm/arch/clock.h>
  13 #include <asm/arch/iomux-mx53.h>
  14 #include <linux/errno.h>
  15 #include <asm/imx-common/boot_mode.h>
  16 #include <netdev.h>
  17 #include <i2c.h>
  18 #include <mmc.h>
  19 #include <fsl_esdhc.h>
  20 #include <power/pmic.h>
  21 #include <fsl_pmic.h>
  22 #include <asm/gpio.h>
  23 #include <mc13892.h>
  24
  25 DECLARE_GLOBAL_DATA_PTR;
  26
  27 int dram_init(void)
  28 {
  29         /* dram_init must store complete ramsize in gd->ram_size */
  30         gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
  31                                 PHYS_SDRAM_1_SIZE);
  32         return 0;
  33 }
  34
  35 #define UART_PAD_CTRL   (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
  36                          PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
  37
  38 static void setup_iomux_uart(void)
  39 {
  40         static const iomux_v3_cfg_t uart_pads[] = {
  41                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, UART_PAD_CTRL),
  42                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, UART_PAD_CTRL),
  43         };
  44
  45         imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
  46 }
  47
  48 #define I2C_PAD_CTRL    (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \
  49                          PAD_CTL_HYS | PAD_CTL_ODE)
  50
  51 static void setup_i2c(unsigned int port_number)
  52 {
  53         static const iomux_v3_cfg_t i2c1_pads[] = {
  54                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__I2C1_SDA, I2C_PAD_CTRL),
  55                 NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__I2C1_SCL, I2C_PAD_CTRL),
  56         };
  57
  58         static const iomux_v3_cfg_t i2c2_pads[] = {
  59                 NEW_PAD_CTRL(MX53_PAD_KEY_ROW3__I2C2_SDA, I2C_PAD_CTRL),
  60                 NEW_PAD_CTRL(MX53_PAD_KEY_COL3__I2C2_SCL, I2C_PAD_CTRL),
  61         };
  62
  63         switch (port_number) {
  64         case 0:
  65                 imx_iomux_v3_setup_multiple_pads(i2c1_pads,
  66                                                         ARRAY_SIZE(i2c1_pads));
  67                 break;
  68         case 1:
  69                 imx_iomux_v3_setup_multiple_pads(i2c2_pads,
  70                                                         ARRAY_SIZE(i2c2_pads));
  71                 break;
  72         default:
  73                 printf("Warning: Wrong I2C port number\n");
  74                 break;
  75         }
  76 }
  77
  78 void power_init(void)
  79 {
  80         unsigned int val;
  81         struct pmic *p;
  82         int ret;
  83
  84         ret = pmic_init(I2C_0);
  85         if (ret)
  86                 return;
  87
  88         p = pmic_get("FSL_PMIC");
  89         if (!p)
  90                 return;
  91
  92         /* Set VDDA to 1.25V */
  93         pmic_reg_read(p, REG_SW_2, &val);
  94         val &= ~SWX_OUT_MASK;
  95         val |= SWX_OUT_1_25;
  96         pmic_reg_write(p, REG_SW_2, val);
  97
  98         /*
  99          * Need increase VCC and VDDA to 1.3V
 100          * according to MX53 IC TO2 datasheet.
 101          */
 102         if (is_soc_rev(CHIP_REV_2_0) == 0) {
 103                 /* Set VCC to 1.3V for TO2 */
 104                 pmic_reg_read(p, REG_SW_1, &val);
 105                 val &= ~SWX_OUT_MASK;
 106                 val |= SWX_OUT_1_30;
 107                 pmic_reg_write(p, REG_SW_1, val);
 108
 109                 /* Set VDDA to 1.3V for TO2 */
 110                 pmic_reg_read(p, REG_SW_2, &val);
 111                 val &= ~SWX_OUT_MASK;
 112                 val |= SWX_OUT_1_30;
 113                 pmic_reg_write(p, REG_SW_2, val);
 114         }
 115 }
 116
 117 static void setup_iomux_fec(void)
 118 {
 119         static const iomux_v3_cfg_t fec_pads[] = {
 120                 NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS |
 121                         PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP | PAD_CTL_ODE),
 122                 NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH),
 123                 NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1,
 124                                 PAD_CTL_HYS | PAD_CTL_PKE),
 125                 NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0,
 126                                 PAD_CTL_HYS | PAD_CTL_PKE),
 127                 NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH),
 128                 NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH),
 129                 NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH),
 130                 NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
 131                                 PAD_CTL_HYS | PAD_CTL_PKE),
 132                 NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER,
 133                                 PAD_CTL_HYS | PAD_CTL_PKE),
 134                 NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
 135                                 PAD_CTL_HYS | PAD_CTL_PKE),
 136         };
 137
 138         imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
 139 }
 140
 141 #ifdef CONFIG_FSL_ESDHC
 142 struct fsl_esdhc_cfg esdhc_cfg[2] = {
 143         {MMC_SDHC1_BASE_ADDR},
 144         {MMC_SDHC3_BASE_ADDR},
 145 };
 146
 147 int board_mmc_getcd(struct mmc *mmc)
 148 {
 149         struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 150         int ret;
 151
 152         imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA11__GPIO3_11);
 153         gpio_direction_input(IMX_GPIO_NR(3, 11));
 154         imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA13__GPIO3_13);
 155         gpio_direction_input(IMX_GPIO_NR(3, 13));
 156
 157         if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
 158                 ret = !gpio_get_value(IMX_GPIO_NR(3, 13));
 159         else
 160                 ret = !gpio_get_value(IMX_GPIO_NR(3, 11));
 161
 162         return ret;
 163 }
 164
 165 #define SD_CMD_PAD_CTRL         (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
 166                                  PAD_CTL_PUS_100K_UP)
 167 #define SD_PAD_CTRL             (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
 168                                  PAD_CTL_DSE_HIGH)
 169
 170 int board_mmc_init(bd_t *bis)
 171 {
 172         static const iomux_v3_cfg_t sd1_pads[] = {
 173                 NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
 174                 NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_PAD_CTRL),
 175                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL),
 176                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL),
 177                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL),
 178                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL),
 179                 MX53_PAD_EIM_DA13__GPIO3_13,
 180         };
 181
 182         static const iomux_v3_cfg_t sd2_pads[] = {
 183                 NEW_PAD_CTRL(MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
 184                                 SD_CMD_PAD_CTRL),
 185                 NEW_PAD_CTRL(MX53_PAD_PATA_IORDY__ESDHC3_CLK, SD_PAD_CTRL),
 186                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA8__ESDHC3_DAT0, SD_PAD_CTRL),
 187                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA9__ESDHC3_DAT1, SD_PAD_CTRL),
 188                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA10__ESDHC3_DAT2, SD_PAD_CTRL),
 189                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA11__ESDHC3_DAT3, SD_PAD_CTRL),
 190                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA0__ESDHC3_DAT4, SD_PAD_CTRL),
 191                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA1__ESDHC3_DAT5, SD_PAD_CTRL),
 192                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA2__ESDHC3_DAT6, SD_PAD_CTRL),
 193                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA3__ESDHC3_DAT7, SD_PAD_CTRL),
 194                 MX53_PAD_EIM_DA11__GPIO3_11,
 195         };
 196
 197         u32 index;
 198         int ret;
 199
 200         esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 201         esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 202
 203         for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
 204                 switch (index) {
 205                 case 0:
 206                         imx_iomux_v3_setup_multiple_pads(sd1_pads,
 207                                                          ARRAY_SIZE(sd1_pads));
 208                         break;
 209                 case 1:
 210                         imx_iomux_v3_setup_multiple_pads(sd2_pads,
 211                                                          ARRAY_SIZE(sd2_pads));
 212                         break;
 213                 default:
 214                         printf("Warning: you configured more ESDHC controller"
 215                                 "(%d) as supported by the board(2)\n",
 216                                 CONFIG_SYS_FSL_ESDHC_NUM);
 217                         return -EINVAL;
 218                 }
 219                 ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
 220                 if (ret)
 221                         return ret;
 222         }
 223
 224         return 0;
 225 }
 226 #endif
 227
 228 int board_early_init_f(void)
 229 {
 230         setup_iomux_uart();
 231         setup_iomux_fec();
 232
 233         return 0;
 234 }
 235
 236 int board_init(void)
 237 {
 238         /* address of boot parameters */
 239         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 240
 241         return 0;
 242 }
 243
 244 #ifdef CONFIG_CMD_BMODE
 245 static const struct boot_mode board_boot_modes[] = {
 246         /* 4 bit bus width */
 247         {"mmc0",        MAKE_CFGVAL(0x40, 0x20, 0x00, 0x12)},
 248         {"mmc1",        MAKE_CFGVAL(0x40, 0x20, 0x08, 0x12)},
 249         {NULL,          0},
 250 };
 251 #endif
 252
 253 int board_late_init(void)
 254 {
 255         setup_i2c(1);
 256         power_init();
 257
 258 #ifdef CONFIG_CMD_BMODE
 259         add_board_boot_modes(board_boot_modes);
 260 #endif
 261         return 0;
 262 }
 263
 264 int checkboard(void)
 265 {
 266         puts("Board: MX53EVK\n");
 267
 268         return 0;
 269 }