mach-nexcoder.c 3.9 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160
  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/gpio.h>
  21. #include <linux/string.h>
  22. #include <linux/serial_core.h>
  23. #include <linux/platform_device.h>
  24. #include <linux/io.h>
  25. #include <linux/mtd/map.h>
  26. #include <asm/mach/arch.h>
  27. #include <asm/mach/map.h>
  28. #include <asm/mach/irq.h>
  29. #include <asm/setup.h>
  30. #include <mach/hardware.h>
  31. #include <asm/irq.h>
  32. #include <asm/mach-types.h>
  33. //#include <asm/debug-ll.h>
  34. #include <mach/regs-gpio.h>
  35. #include <plat/regs-serial.h>
  36. #include <plat/iic.h>
  37. #include <plat/s3c2410.h>
  38. #include <plat/s3c2440.h>
  39. #include <plat/clock.h>
  40. #include <plat/devs.h>
  41. #include <plat/cpu.h>
  42. static struct map_desc nexcoder_iodesc[] __initdata = {
  43. /* nothing here yet */
  44. };
  45. #define UCON S3C2410_UCON_DEFAULT
  46. #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  47. #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
  48. static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
  49. [0] = {
  50. .hwport = 0,
  51. .flags = 0,
  52. .ucon = UCON,
  53. .ulcon = ULCON,
  54. .ufcon = UFCON,
  55. },
  56. [1] = {
  57. .hwport = 1,
  58. .flags = 0,
  59. .ucon = UCON,
  60. .ulcon = ULCON,
  61. .ufcon = UFCON,
  62. },
  63. [2] = {
  64. .hwport = 2,
  65. .flags = 0,
  66. .ucon = UCON,
  67. .ulcon = ULCON,
  68. .ufcon = UFCON,
  69. }
  70. };
  71. /* NOR Flash on NexVision NexCoder 2440 board */
  72. static struct resource nexcoder_nor_resource[] = {
  73. [0] = {
  74. .start = S3C2410_CS0,
  75. .end = S3C2410_CS0 + (8*1024*1024) - 1,
  76. .flags = IORESOURCE_MEM,
  77. }
  78. };
  79. static struct map_info nexcoder_nor_map = {
  80. .bankwidth = 2,
  81. };
  82. static struct platform_device nexcoder_device_nor = {
  83. .name = "mtd-flash",
  84. .id = -1,
  85. .num_resources = ARRAY_SIZE(nexcoder_nor_resource),
  86. .resource = nexcoder_nor_resource,
  87. .dev =
  88. {
  89. .platform_data = &nexcoder_nor_map,
  90. }
  91. };
  92. /* Standard Nexcoder devices */
  93. static struct platform_device *nexcoder_devices[] __initdata = {
  94. &s3c_device_usb,
  95. &s3c_device_lcd,
  96. &s3c_device_wdt,
  97. &s3c_device_i2c0,
  98. &s3c_device_iis,
  99. &s3c_device_rtc,
  100. &s3c_device_camif,
  101. &s3c_device_spi0,
  102. &s3c_device_spi1,
  103. &nexcoder_device_nor,
  104. };
  105. static void __init nexcoder_sensorboard_init(void)
  106. {
  107. // Initialize SCCB bus
  108. s3c2410_gpio_setpin(S3C2410_GPE(14), 1); // IICSCL
  109. s3c2410_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPIO_OUTPUT);
  110. s3c2410_gpio_setpin(S3C2410_GPE(15), 1); // IICSDA
  111. s3c2410_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPIO_OUTPUT);
  112. // Power up the sensor board
  113. s3c2410_gpio_setpin(S3C2410_GPF(1), 1);
  114. s3c2410_gpio_cfgpin(S3C2410_GPF(1), S3C2410_GPIO_OUTPUT); // CAM_GPIO7 => nLDO_PWRDN
  115. s3c2410_gpio_setpin(S3C2410_GPF(2), 0);
  116. s3c2410_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); // CAM_GPIO6 => CAM_PWRDN
  117. }
  118. static void __init nexcoder_map_io(void)
  119. {
  120. s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
  121. s3c24xx_init_clocks(0);
  122. s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
  123. nexcoder_sensorboard_init();
  124. }
  125. static void __init nexcoder_init(void)
  126. {
  127. s3c_i2c0_set_platdata(NULL);
  128. platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
  129. };
  130. MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
  131. /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
  132. .phys_io = S3C2410_PA_UART,
  133. .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
  134. .boot_params = S3C2410_SDRAM_PA + 0x100,
  135. .map_io = nexcoder_map_io,
  136. .init_machine = nexcoder_init,
  137. .init_irq = s3c24xx_init_irq,
  138. .timer = &s3c24xx_timer,
  139. MACHINE_END