irq.c 979 B

123456789101112131415161718192021222324252627282930313233343536373839404142
  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * linux/arch/sh/boards/renesas/sh7763rdp/irq.c
  4. *
  5. * Renesas Solutions SH7763RDP Support.
  6. *
  7. * Copyright (C) 2008 Renesas Solutions Corp.
  8. * Copyright (C) 2008 Nobuhiro Iwamatsu <[email protected]>
  9. */
  10. #include <linux/init.h>
  11. #include <linux/irq.h>
  12. #include <asm/io.h>
  13. #include <asm/irq.h>
  14. #include <mach/sh7763rdp.h>
  15. #define INTC_BASE (0xFFD00000)
  16. #define INTC_INT2PRI7 (INTC_BASE+0x4001C)
  17. #define INTC_INT2MSKCR (INTC_BASE+0x4003C)
  18. #define INTC_INT2MSKCR1 (INTC_BASE+0x400D4)
  19. /*
  20. * Initialize IRQ setting
  21. */
  22. void __init init_sh7763rdp_IRQ(void)
  23. {
  24. /* GPIO enabled */
  25. __raw_writel(1 << 25, INTC_INT2MSKCR);
  26. /* enable GPIO interrupts */
  27. __raw_writel((__raw_readl(INTC_INT2PRI7) & 0xFF00FFFF) | 0x000F0000,
  28. INTC_INT2PRI7);
  29. /* USBH enabled */
  30. __raw_writel(1 << 17, INTC_INT2MSKCR1);
  31. /* GETHER enabled */
  32. __raw_writel(1 << 16, INTC_INT2MSKCR1);
  33. /* DMAC enabled */
  34. __raw_writel(1 << 8, INTC_INT2MSKCR);
  35. }