flint.c 2.7 KB

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  1. // SPDX-License-Identifier: GPL-2.0-only
  2. /*
  3. * linux/arch/arm/mach-mmp/flint.c
  4. *
  5. * Support for the Marvell Flint Development Platform.
  6. *
  7. * Copyright (C) 2009 Marvell International Ltd.
  8. */
  9. #include <linux/init.h>
  10. #include <linux/kernel.h>
  11. #include <linux/platform_device.h>
  12. #include <linux/smc91x.h>
  13. #include <linux/io.h>
  14. #include <linux/gpio.h>
  15. #include <linux/gpio-pxa.h>
  16. #include <linux/interrupt.h>
  17. #include <asm/mach-types.h>
  18. #include <asm/mach/arch.h>
  19. #include "addr-map.h"
  20. #include "mfp-mmp2.h"
  21. #include "mmp2.h"
  22. #include "irqs.h"
  23. #include "common.h"
  24. #define FLINT_NR_IRQS (MMP_NR_IRQS + 48)
  25. static unsigned long flint_pin_config[] __initdata = {
  26. /* UART1 */
  27. GPIO45_UART1_RXD,
  28. GPIO46_UART1_TXD,
  29. /* UART2 */
  30. GPIO47_UART2_RXD,
  31. GPIO48_UART2_TXD,
  32. /* SMC */
  33. GPIO151_SMC_SCLK,
  34. GPIO145_SMC_nCS0,
  35. GPIO146_SMC_nCS1,
  36. GPIO152_SMC_BE0,
  37. GPIO153_SMC_BE1,
  38. GPIO154_SMC_IRQ,
  39. GPIO113_SMC_RDY,
  40. /*Ethernet*/
  41. GPIO155_GPIO,
  42. /* DFI */
  43. GPIO168_DFI_D0,
  44. GPIO167_DFI_D1,
  45. GPIO166_DFI_D2,
  46. GPIO165_DFI_D3,
  47. GPIO107_DFI_D4,
  48. GPIO106_DFI_D5,
  49. GPIO105_DFI_D6,
  50. GPIO104_DFI_D7,
  51. GPIO111_DFI_D8,
  52. GPIO164_DFI_D9,
  53. GPIO163_DFI_D10,
  54. GPIO162_DFI_D11,
  55. GPIO161_DFI_D12,
  56. GPIO110_DFI_D13,
  57. GPIO109_DFI_D14,
  58. GPIO108_DFI_D15,
  59. GPIO143_ND_nCS0,
  60. GPIO144_ND_nCS1,
  61. GPIO147_ND_nWE,
  62. GPIO148_ND_nRE,
  63. GPIO150_ND_ALE,
  64. GPIO149_ND_CLE,
  65. GPIO112_ND_RDY0,
  66. GPIO160_ND_RDY1,
  67. };
  68. static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
  69. .irq_base = MMP_GPIO_TO_IRQ(0),
  70. };
  71. static struct smc91x_platdata flint_smc91x_info = {
  72. .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  73. };
  74. static struct resource smc91x_resources[] = {
  75. [0] = {
  76. .start = SMC_CS1_PHYS_BASE + 0x300,
  77. .end = SMC_CS1_PHYS_BASE + 0xfffff,
  78. .flags = IORESOURCE_MEM,
  79. },
  80. [1] = {
  81. .start = MMP_GPIO_TO_IRQ(155),
  82. .end = MMP_GPIO_TO_IRQ(155),
  83. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  84. }
  85. };
  86. static struct platform_device smc91x_device = {
  87. .name = "smc91x",
  88. .id = 0,
  89. .dev = {
  90. .platform_data = &flint_smc91x_info,
  91. },
  92. .num_resources = ARRAY_SIZE(smc91x_resources),
  93. .resource = smc91x_resources,
  94. };
  95. static void __init flint_init(void)
  96. {
  97. mfp_config(ARRAY_AND_SIZE(flint_pin_config));
  98. /* on-chip devices */
  99. mmp2_add_uart(1);
  100. mmp2_add_uart(2);
  101. platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata,
  102. sizeof(struct pxa_gpio_platform_data));
  103. platform_device_register(&mmp2_device_gpio);
  104. /* off-chip devices */
  105. platform_device_register(&smc91x_device);
  106. }
  107. MACHINE_START(FLINT, "Flint Development Platform")
  108. .map_io = mmp_map_io,
  109. .nr_irqs = FLINT_NR_IRQS,
  110. .init_irq = mmp2_init_irq,
  111. .init_time = mmp2_timer_init,
  112. .init_machine = flint_init,
  113. .restart = mmp_restart,
  114. MACHINE_END