LXR uboot/board/compulab/cm

   1/*
   2 * Code used by both U-Boot and SPL for Compulab CM-FX6
   3 *
   4 * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/
   5 *
   6 * Author: Nikita Kiryanov <nikita@compulab.co.il>
   7 *
   8 * SPDX-License-Identifier:     GPL-2.0+
   9 */
  10
  11#include <common.h>
  12#include <asm/arch/sys_proto.h>
  13#include <asm/gpio.h>
  14#include <asm/imx-common/spi.h>
  15#include <fsl_esdhc.h>
  16#include "common.h"
  17
  18DECLARE_GLOBAL_DATA_PTR;
  19
  20#ifdef CONFIG_FSL_ESDHC
  21#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |                    \
  22        PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |                 \
  23        PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
  24
  25static iomux_v3_cfg_t const usdhc_pads[] = {
  26        IOMUX_PADS(PAD_SD1_CLK__SD1_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  27        IOMUX_PADS(PAD_SD1_CMD__SD1_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  28        IOMUX_PADS(PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  29        IOMUX_PADS(PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  30        IOMUX_PADS(PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  31        IOMUX_PADS(PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  32
  33        IOMUX_PADS(PAD_SD2_CLK__SD2_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  34        IOMUX_PADS(PAD_SD2_CMD__SD2_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  35        IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  36        IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  37        IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  38        IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  39
  40        IOMUX_PADS(PAD_SD3_CLK__SD3_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  41        IOMUX_PADS(PAD_SD3_CMD__SD3_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  42        IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  43        IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  44        IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  45        IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  46        IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  47        IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  48        IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  49        IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  50};
  51
  52void cm_fx6_set_usdhc_iomux(void)
  53{
  54        SETUP_IOMUX_PADS(usdhc_pads);
  55}
  56
  57/* CINS bit doesn't work, so always try to access the MMC card */
  58int board_mmc_getcd(struct mmc *mmc)
  59{
  60        return 1;
  61}
  62#endif
  63
  64#ifdef CONFIG_MXC_SPI
  65#define ECSPI_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \
  66                PAD_CTL_PUS_100K_DOWN | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
  67
  68static iomux_v3_cfg_t const ecspi_pads[] = {
  69        IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
  70        IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
  71        IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
  72        IOMUX_PADS(PAD_EIM_EB2__GPIO2_IO30  | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
  73        IOMUX_PADS(PAD_EIM_D19__ECSPI1_SS1  | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
  74};
  75
  76void cm_fx6_set_ecspi_iomux(void)
  77{
  78        SETUP_IOMUX_PADS(ecspi_pads);
  79}
  80
  81int board_spi_cs_gpio(unsigned bus, unsigned cs)
  82{
  83        return (bus == 0 && cs == 0) ? (CM_FX6_ECSPI_BUS0_CS0) : -1;
  84}
  85#endif
  86