uboot/board/freescale/mx53smd/mx53smd.c
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   1/*
   2 * (C) Copyright 2011 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 <asm/errno.h>
  15#include <netdev.h>
  16#include <mmc.h>
  17#include <fsl_esdhc.h>
  18#include <asm/gpio.h>
  19
  20DECLARE_GLOBAL_DATA_PTR;
  21
  22int dram_init(void)
  23{
  24        u32 size1, size2;
  25
  26        size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
  27        size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
  28
  29        gd->ram_size = size1 + size2;
  30
  31        return 0;
  32}
  33void dram_init_banksize(void)
  34{
  35        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  36        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  37
  38        gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  39        gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  40}
  41
  42#define UART_PAD_CTRL   (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
  43                         PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
  44
  45static void setup_iomux_uart(void)
  46{
  47        static const iomux_v3_cfg_t uart_pads[] = {
  48                NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, UART_PAD_CTRL),
  49                NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, UART_PAD_CTRL),
  50        };
  51
  52        imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
  53}
  54
  55static void setup_iomux_fec(void)
  56{
  57        static const iomux_v3_cfg_t fec_pads[] = {
  58                NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS |
  59                        PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP | PAD_CTL_ODE),
  60                NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH),
  61                NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1,
  62                                PAD_CTL_HYS | PAD_CTL_PKE),
  63                NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0,
  64                                PAD_CTL_HYS | PAD_CTL_PKE),
  65                NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH),
  66                NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH),
  67                NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH),
  68                NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
  69                                PAD_CTL_HYS | PAD_CTL_PKE),
  70                NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER,
  71                                PAD_CTL_HYS | PAD_CTL_PKE),
  72                NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
  73                                PAD_CTL_HYS | PAD_CTL_PKE),
  74        };
  75
  76        imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
  77}
  78
  79#ifdef CONFIG_FSL_ESDHC
  80struct fsl_esdhc_cfg esdhc_cfg[1] = {
  81        {MMC_SDHC1_BASE_ADDR},
  82};
  83
  84int board_mmc_getcd(struct mmc *mmc)
  85{
  86        imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA13__GPIO3_13);
  87        gpio_direction_input(IMX_GPIO_NR(3, 13));
  88        return !gpio_get_value(IMX_GPIO_NR(3, 13));
  89}
  90
  91#define SD_CMD_PAD_CTRL         (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
  92                                 PAD_CTL_PUS_100K_UP)
  93#define SD_PAD_CTRL             (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
  94                                 PAD_CTL_DSE_HIGH)
  95
  96int board_mmc_init(bd_t *bis)
  97{
  98        static const iomux_v3_cfg_t sd1_pads[] = {
  99                NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
 100                NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_PAD_CTRL),
 101                NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL),
 102                NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL),
 103                NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL),
 104                NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL),
 105                MX53_PAD_EIM_DA13__GPIO3_13,
 106        };
 107
 108        u32 index;
 109        int ret;
 110
 111        esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 112
 113        for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
 114                switch (index) {
 115                case 0:
 116                        imx_iomux_v3_setup_multiple_pads(sd1_pads,
 117                                                         ARRAY_SIZE(sd1_pads));
 118                        break;
 119
 120                default:
 121                        printf("Warning: you configured more ESDHC controller"
 122                                "(%d) as supported by the board(1)\n",
 123                                CONFIG_SYS_FSL_ESDHC_NUM);
 124                        return -EINVAL;
 125                }
 126                ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
 127                if (ret)
 128                        return ret;
 129        }
 130
 131        return 0;
 132}
 133#endif
 134
 135int board_early_init_f(void)
 136{
 137        setup_iomux_uart();
 138        setup_iomux_fec();
 139
 140        return 0;
 141}
 142
 143int board_init(void)
 144{
 145        /* address of boot parameters */
 146        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 147
 148        return 0;
 149}
 150
 151int checkboard(void)
 152{
 153        puts("Board: MX53SMD\n");
 154
 155        return 0;
 156}
 157