mach-smdk2413.c 4.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187
  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/serial_core.h>
  20. #include <linux/platform_device.h>
  21. #include <asm/mach/arch.h>
  22. #include <asm/mach/map.h>
  23. #include <asm/mach/irq.h>
  24. #include <asm/hardware.h>
  25. #include <asm/hardware/iomd.h>
  26. #include <asm/setup.h>
  27. #include <asm/io.h>
  28. #include <asm/irq.h>
  29. #include <asm/mach-types.h>
  30. //#include <asm/debug-ll.h>
  31. #include <asm/plat-s3c/regs-serial.h>
  32. #include <asm/arch/regs-gpio.h>
  33. #include <asm/arch/regs-lcd.h>
  34. #include <asm/arch/idle.h>
  35. #include <asm/plat-s3c24xx/udc.h>
  36. #include <asm/arch/fb.h>
  37. #include <asm/plat-s3c24xx/s3c2410.h>
  38. #include <asm/plat-s3c24xx/s3c2412.h>
  39. #include <asm/plat-s3c24xx/clock.h>
  40. #include <asm/plat-s3c24xx/devs.h>
  41. #include <asm/plat-s3c24xx/cpu.h>
  42. #include <asm/plat-s3c24xx/common-smdk.h>
  43. static struct map_desc smdk2413_iodesc[] __initdata = {
  44. };
  45. static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
  46. [0] = {
  47. .hwport = 0,
  48. .flags = 0,
  49. .ucon = 0x3c5,
  50. .ulcon = 0x03,
  51. .ufcon = 0x51,
  52. },
  53. [1] = {
  54. .hwport = 1,
  55. .flags = 0,
  56. .ucon = 0x3c5,
  57. .ulcon = 0x03,
  58. .ufcon = 0x51,
  59. },
  60. /* IR port */
  61. [2] = {
  62. .hwport = 2,
  63. .flags = 0,
  64. .ucon = 0x3c5,
  65. .ulcon = 0x43,
  66. .ufcon = 0x51,
  67. }
  68. };
  69. static void smdk2413_udc_pullup(enum s3c2410_udc_cmd_e cmd)
  70. {
  71. printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
  72. switch (cmd)
  73. {
  74. case S3C2410_UDC_P_ENABLE :
  75. s3c2410_gpio_setpin(S3C2410_GPF2, 1);
  76. break;
  77. case S3C2410_UDC_P_DISABLE :
  78. s3c2410_gpio_setpin(S3C2410_GPF2, 0);
  79. break;
  80. case S3C2410_UDC_P_RESET :
  81. break;
  82. default:
  83. break;
  84. }
  85. }
  86. static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
  87. .udc_command = smdk2413_udc_pullup,
  88. };
  89. static struct platform_device *smdk2413_devices[] __initdata = {
  90. &s3c_device_usb,
  91. //&s3c_device_lcd,
  92. &s3c_device_wdt,
  93. &s3c_device_i2c,
  94. &s3c_device_iis,
  95. &s3c_device_usbgadget,
  96. };
  97. static void __init smdk2413_fixup(struct machine_desc *desc,
  98. struct tag *tags, char **cmdline,
  99. struct meminfo *mi)
  100. {
  101. if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
  102. mi->nr_banks=1;
  103. mi->bank[0].start = 0x30000000;
  104. mi->bank[0].size = SZ_64M;
  105. mi->bank[0].node = 0;
  106. }
  107. }
  108. static void __init smdk2413_map_io(void)
  109. {
  110. s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
  111. s3c24xx_init_clocks(12000000);
  112. s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
  113. }
  114. static void __init smdk2413_machine_init(void)
  115. { /* Turn off suspend on both USB ports, and switch the
  116. * selectable USB port to USB device mode. */
  117. s3c2410_gpio_setpin(S3C2410_GPF2, 0);
  118. s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPIO_OUTPUT);
  119. s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
  120. S3C2410_MISCCR_USBSUSPND0 |
  121. S3C2410_MISCCR_USBSUSPND1, 0x0);
  122. s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
  123. platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
  124. smdk_machine_init();
  125. }
  126. MACHINE_START(S3C2413, "S3C2413")
  127. /* Maintainer: Ben Dooks <ben@fluff.org> */
  128. .phys_io = S3C2410_PA_UART,
  129. .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
  130. .boot_params = S3C2410_SDRAM_PA + 0x100,
  131. .fixup = smdk2413_fixup,
  132. .init_irq = s3c24xx_init_irq,
  133. .map_io = smdk2413_map_io,
  134. .init_machine = smdk2413_machine_init,
  135. .timer = &s3c24xx_timer,
  136. MACHINE_END
  137. MACHINE_START(SMDK2412, "SMDK2412")
  138. /* Maintainer: Ben Dooks <ben@fluff.org> */
  139. .phys_io = S3C2410_PA_UART,
  140. .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
  141. .boot_params = S3C2410_SDRAM_PA + 0x100,
  142. .fixup = smdk2413_fixup,
  143. .init_irq = s3c24xx_init_irq,
  144. .map_io = smdk2413_map_io,
  145. .init_machine = smdk2413_machine_init,
  146. .timer = &s3c24xx_timer,
  147. MACHINE_END
  148. MACHINE_START(SMDK2413, "SMDK2413")
  149. /* Maintainer: Ben Dooks <ben@fluff.org> */
  150. .phys_io = S3C2410_PA_UART,
  151. .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
  152. .boot_params = S3C2410_SDRAM_PA + 0x100,
  153. .fixup = smdk2413_fixup,
  154. .init_irq = s3c24xx_init_irq,
  155. .map_io = smdk2413_map_io,
  156. .init_machine = smdk2413_machine_init,
  157. .timer = &s3c24xx_timer,
  158. MACHINE_END