mach-smdk2413.c 4.0 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. //
  3. // Copyright (c) 2006 Simtec Electronics
  4. // Ben Dooks <[email protected]>
  5. //
  6. // Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the
  7. // loans of SMDK2413 to work with.
  8. #include <linux/kernel.h>
  9. #include <linux/types.h>
  10. #include <linux/interrupt.h>
  11. #include <linux/list.h>
  12. #include <linux/timer.h>
  13. #include <linux/init.h>
  14. #include <linux/gpio/machine.h>
  15. #include <linux/serial_core.h>
  16. #include <linux/serial_s3c.h>
  17. #include <linux/platform_device.h>
  18. #include <linux/io.h>
  19. #include <linux/memblock.h>
  20. #include <asm/mach/arch.h>
  21. #include <asm/mach/map.h>
  22. #include <asm/mach/irq.h>
  23. #include <asm/hardware/iomd.h>
  24. #include <asm/setup.h>
  25. #include <asm/irq.h>
  26. #include <asm/mach-types.h>
  27. //#include <asm/debug-ll.h>
  28. #include "hardware-s3c24xx.h"
  29. #include "regs-gpio.h"
  30. #include <linux/platform_data/usb-s3c2410_udc.h>
  31. #include <linux/platform_data/i2c-s3c2410.h>
  32. #include <linux/platform_data/fb-s3c2410.h>
  33. #include "gpio-samsung.h"
  34. #include "gpio-cfg.h"
  35. #include "devs.h"
  36. #include "cpu.h"
  37. #include "s3c24xx.h"
  38. #include "common-smdk-s3c24xx.h"
  39. static struct map_desc smdk2413_iodesc[] __initdata = {
  40. };
  41. static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
  42. [0] = {
  43. .hwport = 0,
  44. .flags = 0,
  45. .ucon = 0x3c5,
  46. .ulcon = 0x03,
  47. .ufcon = 0x51,
  48. },
  49. [1] = {
  50. .hwport = 1,
  51. .flags = 0,
  52. .ucon = 0x3c5,
  53. .ulcon = 0x03,
  54. .ufcon = 0x51,
  55. },
  56. /* IR port */
  57. [2] = {
  58. .hwport = 2,
  59. .flags = 0,
  60. .ucon = 0x3c5,
  61. .ulcon = 0x43,
  62. .ufcon = 0x51,
  63. }
  64. };
  65. static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
  66. };
  67. static struct gpiod_lookup_table smdk2413_udc_gpio_table = {
  68. .dev_id = "s3c2410-usbgadget",
  69. .table = {
  70. GPIO_LOOKUP("GPIOF", 2, "pullup", GPIO_ACTIVE_HIGH),
  71. { },
  72. },
  73. };
  74. static struct platform_device *smdk2413_devices[] __initdata = {
  75. &s3c_device_ohci,
  76. &s3c_device_wdt,
  77. &s3c_device_i2c0,
  78. &s3c_device_iis,
  79. &s3c_device_usbgadget,
  80. &s3c2412_device_dma,
  81. };
  82. static void __init smdk2413_fixup(struct tag *tags, char **cmdline)
  83. {
  84. if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
  85. memblock_add(0x30000000, SZ_64M);
  86. }
  87. }
  88. static void __init smdk2413_map_io(void)
  89. {
  90. s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
  91. s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
  92. s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
  93. }
  94. static void __init smdk2413_init_time(void)
  95. {
  96. s3c2412_init_clocks(12000000);
  97. s3c24xx_timer_init();
  98. }
  99. static void __init smdk2413_machine_init(void)
  100. { /* Turn off suspend on both USB ports, and switch the
  101. * selectable USB port to USB device mode. */
  102. s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
  103. S3C2410_MISCCR_USBSUSPND0 |
  104. S3C2410_MISCCR_USBSUSPND1, 0x0);
  105. gpiod_add_lookup_table(&smdk2413_udc_gpio_table);
  106. s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
  107. s3c_i2c0_set_platdata(NULL);
  108. /* Configure the I2S pins (GPE0...GPE4) in correct mode */
  109. s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
  110. S3C_GPIO_PULL_NONE);
  111. platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
  112. smdk_machine_init();
  113. }
  114. MACHINE_START(S3C2413, "S3C2413")
  115. /* Maintainer: Ben Dooks <[email protected]> */
  116. .atag_offset = 0x100,
  117. .nr_irqs = NR_IRQS_S3C2412,
  118. .fixup = smdk2413_fixup,
  119. .init_irq = s3c2412_init_irq,
  120. .map_io = smdk2413_map_io,
  121. .init_machine = smdk2413_machine_init,
  122. .init_time = s3c24xx_timer_init,
  123. MACHINE_END
  124. MACHINE_START(SMDK2412, "SMDK2412")
  125. /* Maintainer: Ben Dooks <[email protected]> */
  126. .atag_offset = 0x100,
  127. .nr_irqs = NR_IRQS_S3C2412,
  128. .fixup = smdk2413_fixup,
  129. .init_irq = s3c2412_init_irq,
  130. .map_io = smdk2413_map_io,
  131. .init_machine = smdk2413_machine_init,
  132. .init_time = s3c24xx_timer_init,
  133. MACHINE_END
  134. MACHINE_START(SMDK2413, "SMDK2413")
  135. /* Maintainer: Ben Dooks <[email protected]> */
  136. .atag_offset = 0x100,
  137. .nr_irqs = NR_IRQS_S3C2412,
  138. .fixup = smdk2413_fixup,
  139. .init_irq = s3c2412_init_irq,
  140. .map_io = smdk2413_map_io,
  141. .init_machine = smdk2413_machine_init,
  142. .init_time = smdk2413_init_time,
  143. MACHINE_END