mach-nexcoder.c 3.9 KB

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  1. /* linux/arch/arm/mach-s3c2440/mach-nexcoder.c
  2. *
  3. * Copyright (c) 2004 Nex Vision
  4. * Guillaume GOURAT <guillaume.gourat@nexvision.tv>
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License version 2 as
  8. * published by the Free Software Foundation.
  9. *
  10. * Modifications:
  11. * 15-10-2004 GG Created initial version
  12. * 12-03-2005 BJD Updated for release
  13. */
  14. #include <linux/kernel.h>
  15. #include <linux/types.h>
  16. #include <linux/interrupt.h>
  17. #include <linux/list.h>
  18. #include <linux/timer.h>
  19. #include <linux/init.h>
  20. #include <linux/string.h>
  21. #include <linux/serial_core.h>
  22. #include <linux/platform_device.h>
  23. #include <linux/mtd/map.h>
  24. #include <asm/mach/arch.h>
  25. #include <asm/mach/map.h>
  26. #include <asm/mach/irq.h>
  27. #include <asm/setup.h>
  28. #include <asm/hardware.h>
  29. #include <asm/io.h>
  30. #include <asm/irq.h>
  31. #include <asm/mach-types.h>
  32. //#include <asm/debug-ll.h>
  33. #include <asm/arch/regs-gpio.h>
  34. #include <asm/arch/regs-serial.h>
  35. #include <asm/plat-s3c24xx/s3c2410.h>
  36. #include <asm/plat-s3c24xx/s3c2440.h>
  37. #include <asm/plat-s3c24xx/clock.h>
  38. #include <asm/plat-s3c24xx/devs.h>
  39. #include <asm/plat-s3c24xx/cpu.h>
  40. static struct map_desc nexcoder_iodesc[] __initdata = {
  41. /* nothing here yet */
  42. };
  43. #define UCON S3C2410_UCON_DEFAULT
  44. #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  45. #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
  46. static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
  47. [0] = {
  48. .hwport = 0,
  49. .flags = 0,
  50. .ucon = UCON,
  51. .ulcon = ULCON,
  52. .ufcon = UFCON,
  53. },
  54. [1] = {
  55. .hwport = 1,
  56. .flags = 0,
  57. .ucon = UCON,
  58. .ulcon = ULCON,
  59. .ufcon = UFCON,
  60. },
  61. [2] = {
  62. .hwport = 2,
  63. .flags = 0,
  64. .ucon = UCON,
  65. .ulcon = ULCON,
  66. .ufcon = UFCON,
  67. }
  68. };
  69. /* NOR Flash on NexVision NexCoder 2440 board */
  70. static struct resource nexcoder_nor_resource[] = {
  71. [0] = {
  72. .start = S3C2410_CS0,
  73. .end = S3C2410_CS0 + (8*1024*1024) - 1,
  74. .flags = IORESOURCE_MEM,
  75. }
  76. };
  77. static struct map_info nexcoder_nor_map = {
  78. .bankwidth = 2,
  79. };
  80. static struct platform_device nexcoder_device_nor = {
  81. .name = "mtd-flash",
  82. .id = -1,
  83. .num_resources = ARRAY_SIZE(nexcoder_nor_resource),
  84. .resource = nexcoder_nor_resource,
  85. .dev =
  86. {
  87. .platform_data = &nexcoder_nor_map,
  88. }
  89. };
  90. /* Standard Nexcoder devices */
  91. static struct platform_device *nexcoder_devices[] __initdata = {
  92. &s3c_device_usb,
  93. &s3c_device_lcd,
  94. &s3c_device_wdt,
  95. &s3c_device_i2c,
  96. &s3c_device_iis,
  97. &s3c_device_rtc,
  98. &s3c_device_camif,
  99. &s3c_device_spi0,
  100. &s3c_device_spi1,
  101. &nexcoder_device_nor,
  102. };
  103. static struct s3c24xx_board nexcoder_board __initdata = {
  104. .devices = nexcoder_devices,
  105. .devices_count = ARRAY_SIZE(nexcoder_devices),
  106. };
  107. static void __init nexcoder_sensorboard_init(void)
  108. {
  109. // Initialize SCCB bus
  110. s3c2410_gpio_setpin(S3C2410_GPE14, 1); // IICSCL
  111. s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_OUTP);
  112. s3c2410_gpio_setpin(S3C2410_GPE15, 1); // IICSDA
  113. s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_OUTP);
  114. // Power up the sensor board
  115. s3c2410_gpio_setpin(S3C2410_GPF1, 1);
  116. s3c2410_gpio_cfgpin(S3C2410_GPF1, S3C2410_GPF1_OUTP); // CAM_GPIO7 => nLDO_PWRDN
  117. s3c2410_gpio_setpin(S3C2410_GPF2, 0);
  118. s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPF2_OUTP); // CAM_GPIO6 => CAM_PWRDN
  119. }
  120. static void __init nexcoder_map_io(void)
  121. {
  122. s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
  123. s3c24xx_init_clocks(0);
  124. s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
  125. s3c24xx_set_board(&nexcoder_board);
  126. nexcoder_sensorboard_init();
  127. }
  128. MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
  129. /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
  130. .phys_io = S3C2410_PA_UART,
  131. .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
  132. .boot_params = S3C2410_SDRAM_PA + 0x100,
  133. .map_io = nexcoder_map_io,
  134. .init_irq = s3c24xx_init_irq,
  135. .timer = &s3c24xx_timer,
  136. MACHINE_END