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board-support
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u-boot-2017.01+gitAUTOINC+340fb36f04-g340fb36f04
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board
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compulab
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cm_fx6
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common.c

common.c 3.0 KB
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  1. /*
    2. 

  2.  * Code used by both U-Boot and SPL for Compulab CM-FX6
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/
    5. 

  5.  *
    6. 

  6.  * Author: Nikita Kiryanov <nikita@compulab.co.il>
    7. 

  7.  *
    8. 

  8.  * SPDX-License-Identifier:	GPL-2.0+
    9. 

  9.  */
    10. 

  10. 

  11. #include <common.h>
    12. 

  12. #include <asm/arch/sys_proto.h>
    13. 

  13. #include <asm/gpio.h>
    14. 

  14. #include <asm/imx-common/spi.h>
    15. 

  15. #include <fsl_esdhc.h>
    16. 

  16. #include "common.h"
    17. 

  17. 

  18. DECLARE_GLOBAL_DATA_PTR;
    19. 

  19. 

  20. #ifdef CONFIG_FSL_ESDHC
    21. 

  21. #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |			\
    22. 

  22. 	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |			\
    23. 

  23. 	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
    24. 

  24. 

  25. static iomux_v3_cfg_t const usdhc_pads[] = {
    26. 

  26. 	IOMUX_PADS(PAD_SD1_CLK__SD1_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    27. 

  27. 	IOMUX_PADS(PAD_SD1_CMD__SD1_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    28. 

  28. 	IOMUX_PADS(PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    29. 

  29. 	IOMUX_PADS(PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    30. 

  30. 	IOMUX_PADS(PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    31. 

  31. 	IOMUX_PADS(PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    32. 

  32. 

  33. 	IOMUX_PADS(PAD_SD2_CLK__SD2_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    34. 

  34. 	IOMUX_PADS(PAD_SD2_CMD__SD2_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    35. 

  35. 	IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    36. 

  36. 	IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    37. 

  37. 	IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    38. 

  38. 	IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    39. 

  39. 

  40. 	IOMUX_PADS(PAD_SD3_CLK__SD3_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    41. 

  41. 	IOMUX_PADS(PAD_SD3_CMD__SD3_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    42. 

  42. 	IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    43. 

  43. 	IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    44. 

  44. 	IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    45. 

  45. 	IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    46. 

  46. 	IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    47. 

  47. 	IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    48. 

  48. 	IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    49. 

  49. 	IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
    50. 

  50. };
    51. 

  51. 

  52. void cm_fx6_set_usdhc_iomux(void)
    53. 

  53. {
    54. 

  54. 	SETUP_IOMUX_PADS(usdhc_pads);
    55. 

  55. }
    56. 

  56. 

  57. /* CINS bit doesn't work, so always try to access the MMC card */
    58. 

  58. int board_mmc_getcd(struct mmc *mmc)
    59. 

  59. {
    60. 

  60. 	return 1;
    61. 

  61. }
    62. 

  62. #endif
    63. 

  63. 

  64. #ifdef CONFIG_MXC_SPI
    65. 

  65. #define ECSPI_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \
    66. 

  66. 		PAD_CTL_PUS_100K_DOWN | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
    67. 

  67. 

  68. static iomux_v3_cfg_t const ecspi_pads[] = {
    69. 

  69. 	IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
    70. 

  70. 	IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
    71. 

  71. 	IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
    72. 

  72. 	IOMUX_PADS(PAD_EIM_EB2__GPIO2_IO30  | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
    73. 

  73. 	IOMUX_PADS(PAD_EIM_D19__ECSPI1_SS1  | MUX_PAD_CTRL(ECSPI_PAD_CTRL)),
    74. 

  74. };
    75. 

  75. 

  76. void cm_fx6_set_ecspi_iomux(void)
    77. 

  77. {
    78. 

  78. 	SETUP_IOMUX_PADS(ecspi_pads);
    79. 

  79. }
    80. 

  80. 

  81. int board_spi_cs_gpio(unsigned bus, unsigned cs)
    82. 

  82. {
    83. 

  83. 	return (bus == 0 && cs == 0) ? (CM_FX6_ECSPI_BUS0_CS0) : -1;
    84. 

  84. }
    85. 

  85. #endif
    86.