uboot/board/esg/ima3-mx53/ima3-mx53.c
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   1/*
   2 * (C) Copyright 2012, Stefano Babic <sbabic@denx.de>
   3 *
   4 * (C) Copyright 2010 Freescale Semiconductor, Inc.
   5 *
   6 * SPDX-License-Identifier:     GPL-2.0+
   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/errno.h>
  16#include <netdev.h>
  17#include <mmc.h>
  18#include <fsl_esdhc.h>
  19#include <asm/gpio.h>
  20
  21/* NOR flash configuration */
  22#define IMA3_MX53_CS0GCR1       (CSEN | DSZ(2))
  23#define IMA3_MX53_CS0GCR2       0
  24#define IMA3_MX53_CS0RCR1       (RCSN(2) | OEN(1) | RWSC(15))
  25#define IMA3_MX53_CS0RCR2       0
  26#define IMA3_MX53_CS0WCR1       (WBED1 | WCSN(2) | WEN(1) | WWSC(15))
  27#define IMA3_MX53_CS0WCR2       0
  28
  29DECLARE_GLOBAL_DATA_PTR;
  30
  31static void weim_nor_settings(void)
  32{
  33        struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
  34
  35        writel(IMA3_MX53_CS0GCR1, &weim_regs->cs0gcr1);
  36        writel(IMA3_MX53_CS0GCR2, &weim_regs->cs0gcr2);
  37        writel(IMA3_MX53_CS0RCR1, &weim_regs->cs0rcr1);
  38        writel(IMA3_MX53_CS0RCR2, &weim_regs->cs0rcr2);
  39        writel(IMA3_MX53_CS0WCR1, &weim_regs->cs0wcr1);
  40        writel(IMA3_MX53_CS0WCR2, &weim_regs->cs0wcr2);
  41        writel(0x0, &weim_regs->wcr);
  42
  43        set_chipselect_size(CS0_128);
  44}
  45
  46int dram_init(void)
  47{
  48        gd->ram_size = get_ram_size((void *) CONFIG_SYS_SDRAM_BASE,
  49                        PHYS_SDRAM_1_SIZE);
  50        return 0;
  51}
  52
  53#define UART_PAD_CTRL   (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
  54                         PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
  55
  56static void setup_iomux_uart(void)
  57{
  58        static const iomux_v3_cfg_t uart_pads[] = {
  59                NEW_PAD_CTRL(MX53_PAD_CSI0_DAT13__UART4_RXD_MUX, UART_PAD_CTRL),
  60                NEW_PAD_CTRL(MX53_PAD_CSI0_DAT12__UART4_TXD_MUX, UART_PAD_CTRL),
  61        };
  62
  63        imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
  64}
  65
  66static void setup_iomux_fec(void)
  67{
  68        static const iomux_v3_cfg_t fec_pads[] = {
  69                NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS |
  70                        PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP | PAD_CTL_ODE),
  71                NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH),
  72                NEW_PAD_CTRL(MX53_PAD_KEY_COL0__FEC_RDATA_3,
  73                                PAD_CTL_HYS | PAD_CTL_PKE),
  74                NEW_PAD_CTRL(MX53_PAD_KEY_COL2__FEC_RDATA_2,
  75                                PAD_CTL_HYS | PAD_CTL_PKE),
  76                NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1,
  77                                PAD_CTL_HYS | PAD_CTL_PKE),
  78                NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0,
  79                                PAD_CTL_HYS | PAD_CTL_PKE),
  80                NEW_PAD_CTRL(MX53_PAD_GPIO_19__FEC_TDATA_3, PAD_CTL_DSE_HIGH),
  81                NEW_PAD_CTRL(MX53_PAD_KEY_ROW2__FEC_TDATA_2, PAD_CTL_DSE_HIGH),
  82                NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH),
  83                NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH),
  84                NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH),
  85                NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
  86                                PAD_CTL_HYS | PAD_CTL_PKE),
  87                NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER,
  88                                PAD_CTL_HYS | PAD_CTL_PKE),
  89                NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
  90                                PAD_CTL_HYS | PAD_CTL_PKE),
  91                NEW_PAD_CTRL(MX53_PAD_KEY_COL3__FEC_CRS,
  92                                PAD_CTL_HYS | PAD_CTL_PKE),
  93                NEW_PAD_CTRL(MX53_PAD_KEY_ROW1__FEC_COL,
  94                                PAD_CTL_HYS | PAD_CTL_PKE),
  95                NEW_PAD_CTRL(MX53_PAD_KEY_COL1__FEC_RX_CLK,
  96                                PAD_CTL_HYS | PAD_CTL_PKE),
  97        };
  98
  99        imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
 100}
 101
 102#ifdef CONFIG_FSL_ESDHC
 103struct fsl_esdhc_cfg esdhc_cfg = { MMC_SDHC1_BASE_ADDR };
 104
 105int board_mmc_getcd(struct mmc *mmc)
 106{
 107        int ret;
 108
 109        ret = !gpio_get_value(IMX_GPIO_NR(1, 1));
 110
 111        return ret;
 112}
 113
 114#define SD_CMD_PAD_CTRL         (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
 115                                 PAD_CTL_PUS_100K_UP)
 116#define SD_PAD_CTRL             (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
 117                                 PAD_CTL_DSE_HIGH)
 118#define SD_CD_PAD_CTRL          (PAD_CTL_DSE_HIGH | PAD_CTL_HYS | PAD_CTL_PKE)
 119
 120int board_mmc_init(bd_t *bis)
 121{
 122        static const iomux_v3_cfg_t sd1_pads[] = {
 123                NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
 124                NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_PAD_CTRL),
 125                NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL),
 126                NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL),
 127                NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL),
 128                NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL),
 129                NEW_PAD_CTRL(MX53_PAD_GPIO_1__GPIO1_1, SD_CD_PAD_CTRL),
 130        };
 131
 132        imx_iomux_v3_setup_multiple_pads(sd1_pads, ARRAY_SIZE(sd1_pads));
 133        gpio_direction_input(IMX_GPIO_NR(1, 1));
 134
 135        esdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 136        return fsl_esdhc_initialize(bis, &esdhc_cfg);
 137}
 138#endif
 139
 140#define SPI_PAD_CTRL    (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | PAD_CTL_PUS_47K_UP)
 141
 142static void setup_iomux_spi(void)
 143{
 144        static const iomux_v3_cfg_t spi_pads[] = {
 145                NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__ECSPI2_SCLK, SPI_PAD_CTRL),
 146                NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__ECSPI2_MOSI, SPI_PAD_CTRL),
 147                NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__ECSPI2_MISO, SPI_PAD_CTRL),
 148                /* SSEL 0 */
 149                NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__GPIO5_29, SPI_PAD_CTRL),
 150        };
 151
 152        imx_iomux_v3_setup_multiple_pads(spi_pads, ARRAY_SIZE(spi_pads));
 153        gpio_direction_output(IMX_GPIO_NR(5, 29), 1);
 154}
 155
 156int board_early_init_f(void)
 157{
 158        /* configure I/O pads */
 159        setup_iomux_uart();
 160        setup_iomux_fec();
 161
 162        weim_nor_settings();
 163
 164        /* configure spi */
 165        setup_iomux_spi();
 166
 167        return 0;
 168}
 169
 170int board_init(void)
 171{
 172        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 173
 174        mxc_set_sata_internal_clock();
 175
 176        return 0;
 177}
 178
 179#if defined(CONFIG_RESET_PHY_R)
 180#include <miiphy.h>
 181
 182void reset_phy(void)
 183{
 184        unsigned short reg;
 185
 186        /* reset the phy */
 187        miiphy_reset("FEC", CONFIG_PHY_ADDR);
 188
 189        /* set hard link to 100Mbit, full-duplex */
 190        miiphy_read("FEC", CONFIG_PHY_ADDR, MII_BMCR, &reg);
 191        reg &= ~BMCR_ANENABLE;
 192        reg |= (BMCR_SPEED100 | BMCR_FULLDPLX);
 193        miiphy_write("FEC", CONFIG_PHY_ADDR, MII_BMCR, reg);
 194
 195        miiphy_read("FEC", CONFIG_PHY_ADDR, 0x16, &reg);
 196        reg |= (1 << 5);
 197        miiphy_write("FEC", CONFIG_PHY_ADDR, 0x16, reg);
 198}
 199#endif
 200
 201int checkboard(void)
 202{
 203        puts("Board: IMA3_MX53\n");
 204
 205        return 0;
 206}
 207