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uboot-vybrid_public
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uboot-vybrid_pu...
/
board
/
freescale
/
mx23evk
/
spl_boot.c

spl_boot.c 5.4 KB
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  1. /*
    2. 

  2.  * Freescale MX23EVK Boot setup
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
    5. 

  5.  * on behalf of DENX Software Engineering GmbH
    6. 

  6.  *
    7. 

  7.  * See file CREDITS for list of people who contributed to this
    8. 

  8.  * project.
    9. 

  9.  *
    10. 

  10.  * This program is free software; you can redistribute it and/or
    11. 

  11.  * modify it under the terms of the GNU General Public License as
    12. 

  12.  * published by the Free Software Foundation; either version 2 of
    13. 

  13.  * the License, or (at your option) any later version.
    14. 

  14.  *
    15. 

  15.  * This program is distributed in the hope that it will be useful,
    16. 

  16.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    17. 

  17.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    18. 

  18.  * GNU General Public License for more details.
    19. 

  19.  */
    20. 

  20. 

  21. #include <common.h>
    22. 

  22. #include <config.h>
    23. 

  23. #include <asm/io.h>
    24. 

  24. #include <asm/arch/iomux-mx23.h>
    25. 

  25. #include <asm/arch/imx-regs.h>
    26. 

  26. #include <asm/arch/sys_proto.h>
    27. 

  27. 

  28. #define	MUX_CONFIG_SSP1	(MXS_PAD_8MA | MXS_PAD_PULLUP)
    29. 

  29. #define	MUX_CONFIG_EMI	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_PULLUP)
    30. 

  30. #define	MUX_CONFIG_LCD	(MXS_PAD_4MA | MXS_PAD_NOPULL)
    31. 

  31. 

  32. const iomux_cfg_t iomux_setup[] = {
    33. 

  33. 	/* DUART */
    34. 

  34. 	MX23_PAD_PWM0__DUART_RX,
    35. 

  35. 	MX23_PAD_PWM1__DUART_TX,
    36. 

  36. 

  37. 	/* EMI */
    38. 

  38. 	MX23_PAD_EMI_D00__EMI_D00 | MUX_CONFIG_EMI,
    39. 

  39. 	MX23_PAD_EMI_D01__EMI_D01 | MUX_CONFIG_EMI,
    40. 

  40. 	MX23_PAD_EMI_D02__EMI_D02 | MUX_CONFIG_EMI,
    41. 

  41. 	MX23_PAD_EMI_D03__EMI_D03 | MUX_CONFIG_EMI,
    42. 

  42. 	MX23_PAD_EMI_D04__EMI_D04 | MUX_CONFIG_EMI,
    43. 

  43. 	MX23_PAD_EMI_D05__EMI_D05 | MUX_CONFIG_EMI,
    44. 

  44. 	MX23_PAD_EMI_D06__EMI_D06 | MUX_CONFIG_EMI,
    45. 

  45. 	MX23_PAD_EMI_D07__EMI_D07 | MUX_CONFIG_EMI,
    46. 

  46. 	MX23_PAD_EMI_D08__EMI_D08 | MUX_CONFIG_EMI,
    47. 

  47. 	MX23_PAD_EMI_D09__EMI_D09 | MUX_CONFIG_EMI,
    48. 

  48. 	MX23_PAD_EMI_D10__EMI_D10 | MUX_CONFIG_EMI,
    49. 

  49. 	MX23_PAD_EMI_D11__EMI_D11 | MUX_CONFIG_EMI,
    50. 

  50. 	MX23_PAD_EMI_D12__EMI_D12 | MUX_CONFIG_EMI,
    51. 

  51. 	MX23_PAD_EMI_D13__EMI_D13 | MUX_CONFIG_EMI,
    52. 

  52. 	MX23_PAD_EMI_D14__EMI_D14 | MUX_CONFIG_EMI,
    53. 

  53. 	MX23_PAD_EMI_D15__EMI_D15 | MUX_CONFIG_EMI,
    54. 

  54. 	MX23_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI,
    55. 

  55. 	MX23_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI,
    56. 

  56. 	MX23_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI,
    57. 

  57. 	MX23_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI,
    58. 

  58. 	MX23_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI,
    59. 

  59. 	MX23_PAD_EMI_CLKN__EMI_CLKN | MUX_CONFIG_EMI,
    60. 

  60. 

  61. 	MX23_PAD_EMI_A00__EMI_A00 | MUX_CONFIG_EMI,
    62. 

  62. 	MX23_PAD_EMI_A01__EMI_A01 | MUX_CONFIG_EMI,
    63. 

  63. 	MX23_PAD_EMI_A02__EMI_A02 | MUX_CONFIG_EMI,
    64. 

  64. 	MX23_PAD_EMI_A03__EMI_A03 | MUX_CONFIG_EMI,
    65. 

  65. 	MX23_PAD_EMI_A04__EMI_A04 | MUX_CONFIG_EMI,
    66. 

  66. 	MX23_PAD_EMI_A05__EMI_A05 | MUX_CONFIG_EMI,
    67. 

  67. 	MX23_PAD_EMI_A06__EMI_A06 | MUX_CONFIG_EMI,
    68. 

  68. 	MX23_PAD_EMI_A07__EMI_A07 | MUX_CONFIG_EMI,
    69. 

  69. 	MX23_PAD_EMI_A08__EMI_A08 | MUX_CONFIG_EMI,
    70. 

  70. 	MX23_PAD_EMI_A09__EMI_A09 | MUX_CONFIG_EMI,
    71. 

  71. 	MX23_PAD_EMI_A10__EMI_A10 | MUX_CONFIG_EMI,
    72. 

  72. 	MX23_PAD_EMI_A11__EMI_A11 | MUX_CONFIG_EMI,
    73. 

  73. 	MX23_PAD_EMI_A12__EMI_A12 | MUX_CONFIG_EMI,
    74. 

  74. 	MX23_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI,
    75. 

  75. 	MX23_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI,
    76. 

  76. 

  77. 	MX23_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI,
    78. 

  78. 	MX23_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI,
    79. 

  79. 	MX23_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI,
    80. 

  80. 	MX23_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI,
    81. 

  81. 	MX23_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI,
    82. 

  82. 	MX23_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI,
    83. 

  83. 

  84. 	/* MMC 0 */
    85. 

  85. 	MX23_PAD_SSP1_DATA0__SSP1_DATA0 | MUX_CONFIG_SSP1,
    86. 

  86. 	MX23_PAD_SSP1_DATA1__SSP1_DATA1 | MUX_CONFIG_SSP1,
    87. 

  87. 	MX23_PAD_SSP1_DATA2__SSP1_DATA2 | MUX_CONFIG_SSP1,
    88. 

  88. 	MX23_PAD_SSP1_DATA3__SSP1_DATA3 | MUX_CONFIG_SSP1,
    89. 

  89. 	MX23_PAD_SSP1_CMD__SSP1_CMD | MUX_CONFIG_SSP1,
    90. 

  90. 	MX23_PAD_SSP1_DETECT__SSP1_DETECT | MUX_CONFIG_SSP1,
    91. 

  91. 		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
    92. 

  92. 	MX23_PAD_SSP1_SCK__SSP1_SCK |
    93. 

  93. 		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
    94. 

  94. 	/* Write Protect Pin */
    95. 

  95. 	MX23_PAD_PWM4__GPIO_1_30 |
    96. 

  96. 		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
    97. 

  97. 	/* Slot Power Enable */
    98. 

  98. 	MX23_PAD_PWM3__GPIO_1_29 |
    99. 

  99. 		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
    100. 

  100. 	/* LCD */
    101. 

  101. 	MX23_PAD_LCD_D00__LCD_D00 | MUX_CONFIG_LCD,
    102. 

  102. 	MX23_PAD_LCD_D01__LCD_D01 | MUX_CONFIG_LCD,
    103. 

  103. 	MX23_PAD_LCD_D02__LCD_D02 | MUX_CONFIG_LCD,
    104. 

  104. 	MX23_PAD_LCD_D03__LCD_D03 | MUX_CONFIG_LCD,
    105. 

  105. 	MX23_PAD_LCD_D04__LCD_D04 | MUX_CONFIG_LCD,
    106. 

  106. 	MX23_PAD_LCD_D05__LCD_D05 | MUX_CONFIG_LCD,
    107. 

  107. 	MX23_PAD_LCD_D06__LCD_D06 | MUX_CONFIG_LCD,
    108. 

  108. 	MX23_PAD_LCD_D07__LCD_D07 | MUX_CONFIG_LCD,
    109. 

  109. 	MX23_PAD_LCD_D08__LCD_D08 | MUX_CONFIG_LCD,
    110. 

  110. 	MX23_PAD_LCD_D09__LCD_D09 | MUX_CONFIG_LCD,
    111. 

  111. 	MX23_PAD_LCD_D10__LCD_D10 | MUX_CONFIG_LCD,
    112. 

  112. 	MX23_PAD_LCD_D11__LCD_D11 | MUX_CONFIG_LCD,
    113. 

  113. 	MX23_PAD_LCD_D12__LCD_D12 | MUX_CONFIG_LCD,
    114. 

  114. 	MX23_PAD_LCD_D13__LCD_D13 | MUX_CONFIG_LCD,
    115. 

  115. 	MX23_PAD_LCD_D14__LCD_D14 | MUX_CONFIG_LCD,
    116. 

  116. 	MX23_PAD_LCD_D15__LCD_D15 | MUX_CONFIG_LCD,
    117. 

  117. 	MX23_PAD_LCD_D16__LCD_D16 | MUX_CONFIG_LCD,
    118. 

  118. 	MX23_PAD_LCD_D17__LCD_D17 | MUX_CONFIG_LCD,
    119. 

  119. 	MX23_PAD_GPMI_D08__LCD_D18 | MUX_CONFIG_LCD,
    120. 

  120. 	MX23_PAD_GPMI_D09__LCD_D19 | MUX_CONFIG_LCD,
    121. 

  121. 	MX23_PAD_GPMI_D10__LCD_D20 | MUX_CONFIG_LCD,
    122. 

  122. 	MX23_PAD_GPMI_D11__LCD_D21 | MUX_CONFIG_LCD,
    123. 

  123. 	MX23_PAD_GPMI_D12__LCD_D22 | MUX_CONFIG_LCD,
    124. 

  124. 	MX23_PAD_GPMI_D13__LCD_D23 | MUX_CONFIG_LCD,
    125. 

  125. 	MX23_PAD_LCD_DOTCK__LCD_DOTCK | MUX_CONFIG_LCD,
    126. 

  126. 	MX23_PAD_LCD_ENABLE__LCD_ENABLE | MUX_CONFIG_LCD,
    127. 

  127. 	MX23_PAD_LCD_HSYNC__LCD_HSYNC | MUX_CONFIG_LCD,
    128. 

  128. 	MX23_PAD_LCD_VSYNC__LCD_VSYNC | MUX_CONFIG_LCD,
    129. 

  129. 	MX23_PAD_LCD_RESET__GPIO_1_18 | MUX_CONFIG_LCD, /* LCD power */
    130. 

  130. 	MX23_PAD_PWM2__GPIO_1_28 | MUX_CONFIG_LCD, /* LCD contrast */
    131. 

  131. };
    132. 

  132. 

  133. #define HW_DRAM_CTL14	(0x38 >> 2)
    134. 

  134. #define CS_MAP		0x3
    135. 

  135. #define INTAREF		0x2
    136. 

  136. #define HW_DRAM_CTL14_CONFIG	(INTAREF << 8 | CS_MAP)
    137. 

  137. 

  138. void mxs_adjust_memory_params(uint32_t *dram_vals)
    139. 

  139. {
    140. 

  140. 	dram_vals[HW_DRAM_CTL14] = HW_DRAM_CTL14_CONFIG;
    141. 

  141. }
    142. 

  142. 

  143. void board_init_ll(void)
    144. 

  144. {
    145. 

  145. 	mxs_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));
    146. 

  146. }
    147.