mach-smdk2413.c 4.6 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/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/arch/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/arch/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 struct s3c24xx_board smdk2413_board __initdata = {
  98. .devices = smdk2413_devices,
  99. .devices_count = ARRAY_SIZE(smdk2413_devices)
  100. };
  101. static void __init smdk2413_fixup(struct machine_desc *desc,
  102. struct tag *tags, char **cmdline,
  103. struct meminfo *mi)
  104. {
  105. if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
  106. mi->nr_banks=1;
  107. mi->bank[0].start = 0x30000000;
  108. mi->bank[0].size = SZ_64M;
  109. mi->bank[0].node = 0;
  110. }
  111. }
  112. static void __init smdk2413_map_io(void)
  113. {
  114. s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
  115. s3c24xx_init_clocks(12000000);
  116. s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
  117. s3c24xx_set_board(&smdk2413_board);
  118. }
  119. static void __init smdk2413_machine_init(void)
  120. { /* Turn off suspend on both USB ports, and switch the
  121. * selectable USB port to USB device mode. */
  122. s3c2410_gpio_setpin(S3C2410_GPF2, 0);
  123. s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPIO_OUTPUT);
  124. s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
  125. S3C2410_MISCCR_USBSUSPND0 |
  126. S3C2410_MISCCR_USBSUSPND1, 0x0);
  127. s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
  128. smdk_machine_init();
  129. }
  130. MACHINE_START(S3C2413, "S3C2413")
  131. /* Maintainer: Ben Dooks <ben@fluff.org> */
  132. .phys_io = S3C2410_PA_UART,
  133. .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
  134. .boot_params = S3C2410_SDRAM_PA + 0x100,
  135. .fixup = smdk2413_fixup,
  136. .init_irq = s3c24xx_init_irq,
  137. .map_io = smdk2413_map_io,
  138. .init_machine = smdk2413_machine_init,
  139. .timer = &s3c24xx_timer,
  140. MACHINE_END
  141. MACHINE_START(SMDK2412, "SMDK2412")
  142. /* Maintainer: Ben Dooks <ben@fluff.org> */
  143. .phys_io = S3C2410_PA_UART,
  144. .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
  145. .boot_params = S3C2410_SDRAM_PA + 0x100,
  146. .fixup = smdk2413_fixup,
  147. .init_irq = s3c24xx_init_irq,
  148. .map_io = smdk2413_map_io,
  149. .init_machine = smdk2413_machine_init,
  150. .timer = &s3c24xx_timer,
  151. MACHINE_END
  152. MACHINE_START(SMDK2413, "SMDK2413")
  153. /* Maintainer: Ben Dooks <ben@fluff.org> */
  154. .phys_io = S3C2410_PA_UART,
  155. .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
  156. .boot_params = S3C2410_SDRAM_PA + 0x100,
  157. .fixup = smdk2413_fixup,
  158. .init_irq = s3c24xx_init_irq,
  159. .map_io = smdk2413_map_io,
  160. .init_machine = smdk2413_machine_init,
  161. .timer = &s3c24xx_timer,
  162. MACHINE_END