liquidLevelDataOperation.c 2.7 KB

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  1. /*
  2. * R8A7740 processor support
  3. *
  4. * Copyright (C) 2011 Renesas Solutions Corp.
  5. * Copyright (C) 2011 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; version 2 of the License.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19. */
  20. #include <linux/delay.h>
  21. #include <linux/dma-mapping.h>
  22. #include <linux/kernel.h>
  23. #include <linux/init.h>
  24. #include <linux/io.h>
  25. #include <linux/platform_device.h>
  26. #include <linux/of_platform.h>
  27. #include <linux/serial_sci.h>
  28. #include <linux/sh_dma.h>
  29. #include <linux/sh_timer.h>
  30. #include <linux/dma-mapping.h>
  31. #include <mach/dma-register.h>
  32. #include <mach/r8a7740.h>
  33. #include <mach/pm-rmobile.h>
  34. #include <mach/common.h>
  35. #include <mach/irqs.h>
  36. #include <asm/mach-types.h>
  37. #include <asm/mach/map.h>
  38. #include <asm/mach/arch.h>
  39. #include <asm/mach/time.h>
  40. static struct map_desc r8a7740_io_desc[] __initdata = {
  41. /*
  42. * for CPGA/INTC/PFC
  43. * 0xe6000000-0xefffffff -> 0xe6000000-0xefffffff
  44. */
  45. {
  46. .virtual = 0xe6000000,
  47. .pfn = __phys_to_pfn(0xe6000000),
  48. .length = 160 << 20,
  49. .type = MT_DEVICE_NONSHARED
  50. },
  51. #ifdef CONFIG_CACHE_L2X0
  52. /*
  53. * for l2x0_init()
  54. * 0xf0100000-0xf0101000 -> 0xf0002000-0xf0003000
  55. */
  56. {
  57. .virtual = 0xf0002000,
  58. .pfn = __phys_to_pfn(0xf0100000),
  59. .length = PAGE_SIZE,
  60. .type = MT_DEVICE_NONSHARED
  61. },
  62. #endif
  63. };
  64. void __init r8a7740_map_io(void)
  65. {
  66. iotable_init(r8a7740_io_desc, ARRAY_SIZE(r8a7740_io_desc));
  67. }
  68. /* SCIFA0 */
  69. static struct plat_sci_port scif0_platform_data = {
  70. .mapbase = 0xe6c40000,
  71. .flags = UPF_BOOT_AUTOCONF,
  72. .scscr = SCSCR_RE | SCSCR_TE,
  73. .scbrr_algo_id = SCBRR_ALGO_4,
  74. .type = PORT_SCIFA,
  75. .irqs = SCIx_IRQ_MUXED(evt2irq(0x0c00)),
  76. };
  77. static struct platform_device scif0_device = {
  78. .name = "sh-sci",
  79. .id = 0,
  80. .dev = {
  81. .platform_data = &scif0_platform_data,
  82. },
  83. };
  84. /* SCIFA1 */
  85. static struct plat_sci_port scif1_platform_data = {
  86. .mapbase = 0xe6c50000,
  87. .flags = UPF_BOOT_AUTOCONF,
  88. .scscr = SCSCR_RE | SCSCR_TE,
  89. .scbrr_algo_id = SCBRR_ALGO_4,
  90. .type = PORT_SCIFA,
  91. .irqs = SCIx_IRQ_MUXED(evt2irq(0x0c20)),
  92. };
  93. static struct platform_device scif1_device = {
  94. .name = "sh-sci",
  95. .id = 1,
  96. .dev = {
  97. .platform_data = &scif1_platform_data,
  98. },