/arch/arm/mach-s3c2410/mach-rx3715.c

https://bitbucket.org/evzijst/gittest · C · 141 lines · 104 code · 16 blank · 21 comment · 0 complexity · ec7569db56e149e7538608ef478cecdf MD5 · raw file 

    

  1. /* linux/arch/arm/mach-s3c2410/mach-rx3715.c
    2. 

  2.  *
    3. 

  3.  * Copyright (c) 2003,2004 Simtec Electronics
    4. 

  4.  *	Ben Dooks <ben@simtec.co.uk>
    5. 

  5.  *
    6. 

  6.  * http://www.handhelds.org/projects/rx3715.html
    7. 

  7.  *
    8. 

  8.  * This program is free software; you can redistribute it and/or modify
    9. 

  9.  * it under the terms of the GNU General Public License version 2 as
    10. 

  10.  * published by the Free Software Foundation.
    11. 

  11.  *
    12. 

  12.  * Modifications:
    13. 

  13.  *	16-Sep-2004 BJD  Copied from mach-h1940.c
    14. 

  14.  *	25-Oct-2004 BJD  Updates for 2.6.10-rc1
    15. 

  15.  *	10-Jan-2005 BJD  Removed include of s3c2410.h s3c2440.h
    16. 

  16.  *	14-Jan-2005 BJD  Added new clock init
    17. 

  17.  *	10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
    18. 

  18.  *	14-Mar-2005 BJD  Fixed __iomem warnings
    19. 

  19. */
    20. 

  20. 

  21. #include <linux/kernel.h>
    22. 

  22. #include <linux/types.h>
    23. 

  23. #include <linux/interrupt.h>
    24. 

  24. #include <linux/list.h>
    25. 

  25. #include <linux/timer.h>
    26. 

  26. #include <linux/init.h>
    27. 

  27. #include <linux/tty.h>
    28. 

  28. #include <linux/console.h>
    29. 

  29. #include <linux/serial_core.h>
    30. 

  30. #include <linux/serial.h>
    31. 

  31. 

  32. #include <asm/mach/arch.h>
    33. 

  33. #include <asm/mach/map.h>
    34. 

  34. #include <asm/mach/irq.h>
    35. 

  35. 

  36. #include <asm/hardware.h>
    37. 

  37. #include <asm/hardware/iomd.h>
    38. 

  38. #include <asm/io.h>
    39. 

  39. #include <asm/irq.h>
    40. 

  40. #include <asm/mach-types.h>
    41. 

  41. 

  42. #include <asm/arch/regs-serial.h>
    43. 

  43. #include <asm/arch/regs-gpio.h>
    44. 

  44. 

  45. #include "clock.h"
    46. 

  46. #include "devs.h"
    47. 

  47. #include "cpu.h"
    48. 

  48. #include "pm.h"
    49. 

  49. 

  50. static struct map_desc rx3715_iodesc[] __initdata = {
    51. 

  51. 	/* dump ISA space somewhere unused */
    52. 

  52. 

  53. 	{ (u32)S3C24XX_VA_ISA_WORD, S3C2410_CS3, SZ_16M, MT_DEVICE },
    54. 

  54. 	{ (u32)S3C24XX_VA_ISA_BYTE, S3C2410_CS3, SZ_16M, MT_DEVICE },
    55. 

  55. };
    56. 

  56. 

  57. 

  58. static struct s3c24xx_uart_clksrc rx3715_serial_clocks[] = {
    59. 

  59. 	[0] = {
    60. 

  60. 		.name		= "fclk",
    61. 

  61. 		.divisor	= 0,
    62. 

  62. 		.min_baud	= 0,
    63. 

  63. 		.max_baud	= 0,
    64. 

  64. 	}
    65. 

  65. };
    66. 

  66. 

  67. static struct s3c2410_uartcfg rx3715_uartcfgs[] = {
    68. 

  68. 	[0] = {
    69. 

  69. 		.hwport	     = 0,
    70. 

  70. 		.flags	     = 0,
    71. 

  71. 		.ucon	     = 0x3c5,
    72. 

  72. 		.ulcon	     = 0x03,
    73. 

  73. 		.ufcon	     = 0x51,
    74. 

  74. 		.clocks	     = rx3715_serial_clocks,
    75. 

  75. 		.clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
    76. 

  76. 	},
    77. 

  77. 	[1] = {
    78. 

  78. 		.hwport	     = 1,
    79. 

  79. 		.flags	     = 0,
    80. 

  80. 		.ucon	     = 0x3c5,
    81. 

  81. 		.ulcon	     = 0x03,
    82. 

  82. 		.ufcon	     = 0x00,
    83. 

  83. 		.clocks	     = rx3715_serial_clocks,
    84. 

  84. 		.clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
    85. 

  85. 	},
    86. 

  86. 	/* IR port */
    87. 

  87. 	[2] = {
    88. 

  88. 		.hwport	     = 2,
    89. 

  89. 		.uart_flags  = UPF_CONS_FLOW,
    90. 

  90. 		.ucon	     = 0x3c5,
    91. 

  91. 		.ulcon	     = 0x43,
    92. 

  92. 		.ufcon	     = 0x51,
    93. 

  93. 		.clocks	     = rx3715_serial_clocks,
    94. 

  94. 		.clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
    95. 

  95. 	}
    96. 

  96. };
    97. 

  97. 

  98. static struct platform_device *rx3715_devices[] __initdata = {
    99. 

  99. 	&s3c_device_usb,
    100. 

  100. 	&s3c_device_lcd,
    101. 

  101. 	&s3c_device_wdt,
    102. 

  102. 	&s3c_device_i2c,
    103. 

  103. 	&s3c_device_iis,
    104. 

  104. };
    105. 

  105. 

  106. static struct s3c24xx_board rx3715_board __initdata = {
    107. 

  107. 	.devices       = rx3715_devices,
    108. 

  108. 	.devices_count = ARRAY_SIZE(rx3715_devices)
    109. 

  109. };
    110. 

  110. 

  111. void __init rx3715_map_io(void)
    112. 

  112. {
    113. 

  113. 	s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc));
    114. 

  114. 	s3c24xx_init_clocks(16934000);
    115. 

  115. 	s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs));
    116. 

  116. 	s3c24xx_set_board(&rx3715_board);
    117. 

  117. }
    118. 

  118. 

  119. void __init rx3715_init_irq(void)
    120. 

  120. {
    121. 

  121. 	s3c24xx_init_irq();
    122. 

  122. }
    123. 

  123. 

  124. #ifdef CONFIG_PM
    125. 

  125. static void __init rx3715_init_machine(void)
    126. 

  126. {
    127. 

  127. 	s3c2410_pm_init();
    128. 

  128. }
    129. 

  129. #else
    130. 

  130. #define rx3715_init_machine NULL
    131. 

  131. #endif
    132. 

  132. 

  133. MACHINE_START(RX3715, "IPAQ-RX3715")
    134. 

  134.      MAINTAINER("Ben Dooks <ben@fluff.org>")
    135. 

  135.      BOOT_MEM(S3C2410_SDRAM_PA, S3C2410_PA_UART, (u32)S3C24XX_VA_UART)
    136. 

  136.      BOOT_PARAMS(S3C2410_SDRAM_PA + 0x100)
    137. 

  137.      MAPIO(rx3715_map_io)
    138. 

  138.      INITIRQ(rx3715_init_irq)
    139. 

  139.      INIT_MACHINE(rx3715_init_machine)
    140. 

  140. 	.timer		= &s3c24xx_timer,
    141. 

  141. MACHINE_END
    142.