mach-smdk2413.c 4.5 KB

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  1. /* linux/arch/arm/mach-s3c2412/mach-smdk2413.c
  2. *
  3. * Copyright (c) 2006 Simtec Electronics
  4. * Ben Dooks <ben@simtec.co.uk>
  5. *
  6. * Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the
  7. * loans of SMDK2413 to work with.
  8. *
  9. * This program is free software; you can redistribute it and/or modify
  10. * it under the terms of the GNU General Public License version 2 as
  11. * published by the Free Software Foundation.
  12. */
  13. #include <linux/kernel.h>
  14. #include <linux/types.h>
  15. #include <linux/interrupt.h>
  16. #include <linux/list.h>
  17. #include <linux/timer.h>
  18. #include <linux/init.h>
  19. #include <linux/gpio.h>
  20. #include <linux/serial_core.h>
  21. #include <linux/platform_device.h>
  22. #include <linux/io.h>
  23. #include <asm/mach/arch.h>
  24. #include <asm/mach/map.h>
  25. #include <asm/mach/irq.h>
  26. #include <mach/hardware.h>
  27. #include <asm/hardware/iomd.h>
  28. #include <asm/setup.h>
  29. #include <asm/irq.h>
  30. #include <asm/mach-types.h>
  31. //#include <asm/debug-ll.h>
  32. #include <plat/regs-serial.h>
  33. #include <mach/regs-gpio.h>
  34. #include <mach/regs-lcd.h>
  35. #include <mach/idle.h>
  36. #include <plat/udc.h>
  37. #include <plat/iic.h>
  38. #include <mach/fb.h>
  39. #include <plat/s3c2410.h>
  40. #include <plat/s3c2412.h>
  41. #include <plat/clock.h>
  42. #include <plat/devs.h>
  43. #include <plat/cpu.h>
  44. #include <plat/common-smdk.h>
  45. static struct map_desc smdk2413_iodesc[] __initdata = {
  46. };
  47. static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
  48. [0] = {
  49. .hwport = 0,
  50. .flags = 0,
  51. .ucon = 0x3c5,
  52. .ulcon = 0x03,
  53. .ufcon = 0x51,
  54. },
  55. [1] = {
  56. .hwport = 1,
  57. .flags = 0,
  58. .ucon = 0x3c5,
  59. .ulcon = 0x03,
  60. .ufcon = 0x51,
  61. },
  62. /* IR port */
  63. [2] = {
  64. .hwport = 2,
  65. .flags = 0,
  66. .ucon = 0x3c5,
  67. .ulcon = 0x43,
  68. .ufcon = 0x51,
  69. }
  70. };
  71. static void smdk2413_udc_pullup(enum s3c2410_udc_cmd_e cmd)
  72. {
  73. printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
  74. switch (cmd)
  75. {
  76. case S3C2410_UDC_P_ENABLE :
  77. s3c2410_gpio_setpin(S3C2410_GPF(2), 1);
  78. break;
  79. case S3C2410_UDC_P_DISABLE :
  80. s3c2410_gpio_setpin(S3C2410_GPF(2), 0);
  81. break;
  82. case S3C2410_UDC_P_RESET :
  83. break;
  84. default:
  85. break;
  86. }
  87. }
  88. static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
  89. .udc_command = smdk2413_udc_pullup,
  90. };
  91. static struct platform_device *smdk2413_devices[] __initdata = {
  92. &s3c_device_usb,
  93. //&s3c_device_lcd,
  94. &s3c_device_wdt,
  95. &s3c_device_i2c0,
  96. &s3c_device_iis,
  97. &s3c_device_usbgadget,
  98. };
  99. static void __init smdk2413_fixup(struct machine_desc *desc,
  100. struct tag *tags, char **cmdline,
  101. struct meminfo *mi)
  102. {
  103. if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
  104. mi->nr_banks=1;
  105. mi->bank[0].start = 0x30000000;
  106. mi->bank[0].size = SZ_64M;
  107. mi->bank[0].node = 0;
  108. }
  109. }
  110. static void __init smdk2413_map_io(void)
  111. {
  112. s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
  113. s3c24xx_init_clocks(12000000);
  114. s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
  115. }
  116. static void __init smdk2413_machine_init(void)
  117. { /* Turn off suspend on both USB ports, and switch the
  118. * selectable USB port to USB device mode. */
  119. s3c2410_gpio_setpin(S3C2410_GPF(2), 0);
  120. s3c2410_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT);
  121. s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
  122. S3C2410_MISCCR_USBSUSPND0 |
  123. S3C2410_MISCCR_USBSUSPND1, 0x0);
  124. s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
  125. s3c_i2c0_set_platdata(NULL);
  126. platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
  127. smdk_machine_init();
  128. }
  129. MACHINE_START(S3C2413, "S3C2413")
  130. /* Maintainer: Ben Dooks <ben@fluff.org> */
  131. .phys_io = S3C2410_PA_UART,
  132. .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
  133. .boot_params = S3C2410_SDRAM_PA + 0x100,
  134. .fixup = smdk2413_fixup,
  135. .init_irq = s3c24xx_init_irq,
  136. .map_io = smdk2413_map_io,
  137. .init_machine = smdk2413_machine_init,
  138. .timer = &s3c24xx_timer,
  139. MACHINE_END
  140. MACHINE_START(SMDK2412, "SMDK2412")
  141. /* Maintainer: Ben Dooks <ben@fluff.org> */
  142. .phys_io = S3C2410_PA_UART,
  143. .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
  144. .boot_params = S3C2410_SDRAM_PA + 0x100,
  145. .fixup = smdk2413_fixup,
  146. .init_irq = s3c24xx_init_irq,
  147. .map_io = smdk2413_map_io,
  148. .init_machine = smdk2413_machine_init,
  149. .timer = &s3c24xx_timer,
  150. MACHINE_END
  151. MACHINE_START(SMDK2413, "SMDK2413")
  152. /* Maintainer: Ben Dooks <ben@fluff.org> */
  153. .phys_io = S3C2410_PA_UART,
  154. .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
  155. .boot_params = S3C2410_SDRAM_PA + 0x100,
  156. .fixup = smdk2413_fixup,
  157. .init_irq = s3c24xx_init_irq,
  158. .map_io = smdk2413_map_io,
  159. .init_machine = smdk2413_machine_init,
  160. .timer = &s3c24xx_timer,
  161. MACHINE_END