mach-imx6ul.c 1.7 KB

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  1. // SPDX-License-Identifier: GPL-2.0-only
  2. /*
  3. * Copyright (C) 2015 Freescale Semiconductor, Inc.
  4. */
  5. #include <linux/irqchip.h>
  6. #include <linux/mfd/syscon.h>
  7. #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
  8. #include <linux/micrel_phy.h>
  9. #include <linux/of_platform.h>
  10. #include <linux/phy.h>
  11. #include <linux/regmap.h>
  12. #include <asm/mach/arch.h>
  13. #include <asm/mach/map.h>
  14. #include "common.h"
  15. #include "cpuidle.h"
  16. #include "hardware.h"
  17. static void __init imx6ul_enet_clk_init(void)
  18. {
  19. struct regmap *gpr;
  20. gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr");
  21. if (!IS_ERR(gpr))
  22. regmap_update_bits(gpr, IOMUXC_GPR1, IMX6UL_GPR1_ENET_CLK_DIR,
  23. IMX6UL_GPR1_ENET_CLK_OUTPUT);
  24. else
  25. pr_err("failed to find fsl,imx6ul-iomux-gpr regmap\n");
  26. }
  27. static inline void imx6ul_enet_init(void)
  28. {
  29. imx6ul_enet_clk_init();
  30. }
  31. static void __init imx6ul_init_machine(void)
  32. {
  33. imx_print_silicon_rev(cpu_is_imx6ull() ? "i.MX6ULL" : "i.MX6UL",
  34. imx_get_soc_revision());
  35. of_platform_default_populate(NULL, NULL, NULL);
  36. imx6ul_enet_init();
  37. imx_anatop_init();
  38. imx6ul_pm_init();
  39. }
  40. static void __init imx6ul_init_irq(void)
  41. {
  42. imx_init_revision_from_anatop();
  43. imx_src_init();
  44. irqchip_init();
  45. imx6_pm_ccm_init("fsl,imx6ul-ccm");
  46. }
  47. static void __init imx6ul_init_late(void)
  48. {
  49. imx6sx_cpuidle_init();
  50. if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
  51. platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
  52. }
  53. static const char * const imx6ul_dt_compat[] __initconst = {
  54. "fsl,imx6ul",
  55. "fsl,imx6ull",
  56. NULL,
  57. };
  58. DT_MACHINE_START(IMX6UL, "Freescale i.MX6 Ultralite (Device Tree)")
  59. .init_irq = imx6ul_init_irq,
  60. .init_machine = imx6ul_init_machine,
  61. .init_late = imx6ul_init_late,
  62. .dt_compat = imx6ul_dt_compat,
  63. MACHINE_END