piix4.h 1.8 KB

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  1. /*
  2. * Carsten Langgaard, carstenl@mips.com
  3. * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
  4. * Copyright (C) 2013 Imagination Technologies Ltd.
  5. *
  6. * This program is free software; you can distribute it and/or modify it
  7. * under the terms of the GNU General Public License (Version 2) as
  8. * published by the Free Software Foundation.
  9. *
  10. * This program is distributed in the hope it will be useful, but WITHOUT
  11. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  13. * for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License along
  16. * with this program; if not, write to the Free Software Foundation, Inc.,
  17. * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  18. *
  19. * Register definitions for Intel PIIX4 South Bridge Device.
  20. */
  21. #ifndef __ASM_MIPS_BOARDS_PIIX4_H
  22. #define __ASM_MIPS_BOARDS_PIIX4_H
  23. /* PIRQX Route Control */
  24. #define PIIX4_FUNC0_PIRQRC 0x60
  25. #define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_DISABLE (1 << 7)
  26. #define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_MASK 0xf
  27. #define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_MAX 16
  28. /* Top Of Memory */
  29. #define PIIX4_FUNC0_TOM 0x69
  30. #define PIIX4_FUNC0_TOM_TOP_OF_MEMORY_MASK 0xf0
  31. /* Deterministic Latency Control */
  32. #define PIIX4_FUNC0_DLC 0x82
  33. #define PIIX4_FUNC0_DLC_USBPR_EN (1 << 2)
  34. #define PIIX4_FUNC0_DLC_PASSIVE_RELEASE_EN (1 << 1)
  35. #define PIIX4_FUNC0_DLC_DELAYED_TRANSACTION_EN (1 << 0)
  36. /* IDE Timing */
  37. #define PIIX4_FUNC1_IDETIM_PRIMARY_LO 0x40
  38. #define PIIX4_FUNC1_IDETIM_PRIMARY_HI 0x41
  39. #define PIIX4_FUNC1_IDETIM_PRIMARY_HI_IDE_DECODE_EN (1 << 7)
  40. #define PIIX4_FUNC1_IDETIM_SECONDARY_LO 0x42
  41. #define PIIX4_FUNC1_IDETIM_SECONDARY_HI 0x43
  42. #define PIIX4_FUNC1_IDETIM_SECONDARY_HI_IDE_DECODE_EN (1 << 7)
  43. #endif /* __ASM_MIPS_BOARDS_PIIX4_H */