board-shmin.c 757 B

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  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * arch/sh/boards/shmin/setup.c
  4. *
  5. * Copyright (C) 2006 Takashi YOSHII
  6. *
  7. * SHMIN Support.
  8. */
  9. #include <linux/init.h>
  10. #include <linux/irq.h>
  11. #include <asm/machvec.h>
  12. #include <mach/shmin.h>
  13. #include <asm/clock.h>
  14. #include <asm/io.h>
  15. #define PFC_PHCR 0xa400010eUL
  16. #define INTC_ICR1 0xa4000010UL
  17. static void __init init_shmin_irq(void)
  18. {
  19. __raw_writew(0x2a00, PFC_PHCR); // IRQ0-3=IRQ
  20. __raw_writew(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active.
  21. plat_irq_setup_pins(IRQ_MODE_IRQ);
  22. }
  23. static void __init shmin_setup(char **cmdline_p)
  24. {
  25. __set_io_port_base(SHMIN_IO_BASE);
  26. }
  27. static struct sh_machine_vector mv_shmin __initmv = {
  28. .mv_name = "SHMIN",
  29. .mv_setup = shmin_setup,
  30. .mv_init_irq = init_shmin_irq,
  31. };