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mach-imx
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imx27-dt.c

imx27-dt.c 2.1 KB
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  1. /*
    2. 

  2.  * Copyright 2012 Sascha Hauer, Pengutronix
    3. 

  3.  *
    4. 

  4.  * The code contained herein is licensed under the GNU General Public
    5. 

  5.  * License. You may obtain a copy of the GNU General Public License
    6. 

  6.  * Version 2 or later at the following locations:
    7. 

  7.  *
    8. 

  8.  * http://www.opensource.org/licenses/gpl-license.html
    9. 

  9.  * http://www.gnu.org/copyleft/gpl.html
    10. 

  10.  */
    11. 

  11. 

  12. #include <linux/irq.h>
    13. 

  13. #include <linux/of_irq.h>
    14. 

  14. #include <linux/of_platform.h>
    15. 

  15. #include <asm/mach/arch.h>
    16. 

  16. #include <asm/mach/time.h>
    17. 

  17. #include <mach/common.h>
    18. 

  18. #include <mach/mx27.h>
    19. 

  19. 

  20. static const struct of_dev_auxdata imx27_auxdata_lookup[] __initconst = {
    21. 

  21. 	OF_DEV_AUXDATA("fsl,imx27-uart", MX27_UART1_BASE_ADDR, "imx21-uart.0", NULL),
    22. 

  22. 	OF_DEV_AUXDATA("fsl,imx27-uart", MX27_UART2_BASE_ADDR, "imx21-uart.1", NULL),
    23. 

  23. 	OF_DEV_AUXDATA("fsl,imx27-uart", MX27_UART3_BASE_ADDR, "imx21-uart.2", NULL),
    24. 

  24. 	OF_DEV_AUXDATA("fsl,imx27-fec", MX27_FEC_BASE_ADDR, "imx27-fec.0", NULL),
    25. 

  25. 	OF_DEV_AUXDATA("fsl,imx27-i2c", MX27_I2C1_BASE_ADDR, "imx-i2c.0", NULL),
    26. 

  26. 	OF_DEV_AUXDATA("fsl,imx27-i2c", MX27_I2C2_BASE_ADDR, "imx-i2c.1", NULL),
    27. 

  27. 	OF_DEV_AUXDATA("fsl,imx27-cspi", MX27_CSPI1_BASE_ADDR, "imx27-cspi.0", NULL),
    28. 

  28. 	OF_DEV_AUXDATA("fsl,imx27-cspi", MX27_CSPI2_BASE_ADDR, "imx27-cspi.1", NULL),
    29. 

  29. 	OF_DEV_AUXDATA("fsl,imx27-cspi", MX27_CSPI3_BASE_ADDR, "imx27-cspi.2", NULL),
    30. 

  30. 	OF_DEV_AUXDATA("fsl,imx27-wdt", MX27_WDOG_BASE_ADDR, "imx2-wdt.0", NULL),
    31. 

  31. 	OF_DEV_AUXDATA("fsl,imx27-nand", MX27_NFC_BASE_ADDR, "mxc_nand.0", NULL),
    32. 

  32. 	{ /* sentinel */ }
    33. 

  33. };
    34. 

  34. 

  35. static void __init imx27_dt_init(void)
    36. 

  36. {
    37. 

  37. 	of_platform_populate(NULL, of_default_bus_match_table,
    38. 

  38. 			     imx27_auxdata_lookup, NULL);
    39. 

  39. }
    40. 

  40. 

  41. static void __init imx27_timer_init(void)
    42. 

  42. {
    43. 

  43. 	mx27_clocks_init_dt();
    44. 

  44. }
    45. 

  45. 

  46. static struct sys_timer imx27_timer = {
    47. 

  47. 	.init = imx27_timer_init,
    48. 

  48. };
    49. 

  49. 

  50. static const char * const imx27_dt_board_compat[] __initconst = {
    51. 

  51. 	"fsl,imx27",
    52. 

  52. 	NULL
    53. 

  53. };
    54. 

  54. 

  55. DT_MACHINE_START(IMX27_DT, "Freescale i.MX27 (Device Tree Support)")
    56. 

  56. 	.map_io		= mx27_map_io,
    57. 

  57. 	.init_early	= imx27_init_early,
    58. 

  58. 	.init_irq	= mx27_init_irq,
    59. 

  59. 	.handle_irq	= imx27_handle_irq,
    60. 

  60. 	.timer		= &imx27_timer,
    61. 

  61. 	.init_machine	= imx27_dt_init,
    62. 

  62. 	.dt_compat	= imx27_dt_board_compat,
    63. 

  63. 	.restart	= mxc_restart,
    64. 

  64. MACHINE_END
    65.