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mach-s5pv310
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mach-universal_c210.c

mach-universal_c210.c 2.3 KB
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  1. /* linux/arch/arm/mach-s5pv310/mach-universal_c210.c
    2. 

  2.  *
    3. 

  3.  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
    4. 

  4.  *
    5. 

  5.  * This program is free software; you can redistribute it and/or modify
    6. 

  6.  * it under the terms of the GNU General Public License version 2 as
    7. 

  7.  * published by the Free Software Foundation.
    8. 

  8. */
    9. 

  9. 

  10. #include <linux/serial_core.h>
    11. 

  11. 

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

  13. #include <asm/mach-types.h>
    14. 

  14. #include <asm/hardware/cache-l2x0.h>
    15. 

  15. 

  16. #include <plat/regs-serial.h>
    17. 

  17. #include <plat/s5pv310.h>
    18. 

  18. #include <plat/cpu.h>
    19. 

  19. 

  20. #include <mach/map.h>
    21. 

  21. 

  22. /* Following are default values for UCON, ULCON and UFCON UART registers */
    23. 

  23. #define UNIVERSAL_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
    24. 

  24. 				 S3C2410_UCON_RXILEVEL |	\
    25. 

  25. 				 S3C2410_UCON_TXIRQMODE |	\
    26. 

  26. 				 S3C2410_UCON_RXIRQMODE |	\
    27. 

  27. 				 S3C2410_UCON_RXFIFO_TOI |	\
    28. 

  28. 				 S3C2443_UCON_RXERR_IRQEN)
    29. 

  29. 

  30. #define UNIVERSAL_ULCON_DEFAULT	S3C2410_LCON_CS8
    31. 

  31. 

  32. #define UNIVERSAL_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
    33. 

  33. 				 S5PV210_UFCON_TXTRIG256 |	\
    34. 

  34. 				 S5PV210_UFCON_RXTRIG256)
    35. 

  35. 

  36. static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
    37. 

  37. 	[0] = {
    38. 

  38. 		.hwport		= 0,
    39. 

  39. 		.ucon		= UNIVERSAL_UCON_DEFAULT,
    40. 

  40. 		.ulcon		= UNIVERSAL_ULCON_DEFAULT,
    41. 

  41. 		.ufcon		= UNIVERSAL_UFCON_DEFAULT,
    42. 

  42. 	},
    43. 

  43. 	[1] = {
    44. 

  44. 		.hwport		= 1,
    45. 

  45. 		.ucon		= UNIVERSAL_UCON_DEFAULT,
    46. 

  46. 		.ulcon		= UNIVERSAL_ULCON_DEFAULT,
    47. 

  47. 		.ufcon		= UNIVERSAL_UFCON_DEFAULT,
    48. 

  48. 	},
    49. 

  49. 	[2] = {
    50. 

  50. 		.hwport		= 2,
    51. 

  51. 		.ucon		= UNIVERSAL_UCON_DEFAULT,
    52. 

  52. 		.ulcon		= UNIVERSAL_ULCON_DEFAULT,
    53. 

  53. 		.ufcon		= UNIVERSAL_UFCON_DEFAULT,
    54. 

  54. 	},
    55. 

  55. 	[3] = {
    56. 

  56. 		.hwport		= 3,
    57. 

  57. 		.ucon		= UNIVERSAL_UCON_DEFAULT,
    58. 

  58. 		.ulcon		= UNIVERSAL_ULCON_DEFAULT,
    59. 

  59. 		.ufcon		= UNIVERSAL_UFCON_DEFAULT,
    60. 

  60. 	},
    61. 

  61. };
    62. 

  62. 

  63. static void __init universal_map_io(void)
    64. 

  64. {
    65. 

  65. 	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
    66. 

  66. 	s3c24xx_init_clocks(24000000);
    67. 

  67. 	s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
    68. 

  68. }
    69. 

  69. 

  70. static void __init universal_machine_init(void)
    71. 

  71. {
    72. 

  72. #ifdef CONFIG_CACHE_L2X0
    73. 

  73. 	l2x0_init(S5P_VA_L2CC, 1 << 28, 0xffffffff);
    74. 

  74. #endif
    75. 

  75. }
    76. 

  76. 

  77. MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
    78. 

  78. 	/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
    79. 

  79. 	.phys_io	= S3C_PA_UART & 0xfff00000,
    80. 

  80. 	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
    81. 

  81. 	.boot_params	= S5P_PA_SDRAM + 0x100,
    82. 

  82. 	.init_irq	= s5pv310_init_irq,
    83. 

  83. 	.map_io		= universal_map_io,
    84. 

  84. 	.init_machine	= universal_machine_init,
    85. 

  85. 	.timer		= &s5pv310_timer,
    86. 

  86. MACHINE_END
    87.