cpld.h 1.7 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /**
  3. * Copyright 2013 Freescale Semiconductor
  4. *
  5. * This file provides support for the ngPIXIS, a board-specific FPGA used on
  6. * some Freescale reference boards.
  7. */
  8. /*
  9. * CPLD register set. Feel free to add board-specific #ifdefs where necessary.
  10. */
  11. struct cpld_data {
  12. u8 cpld_ver; /* 0x00 - CPLD Major Revision Register */
  13. u8 cpld_ver_sub; /* 0x01 - CPLD Minor Revision Register */
  14. u8 hw_ver; /* 0x02 - Hardware Revision Register */
  15. u8 sw_ver; /* 0x03 - Software Revision register */
  16. u8 res0[12]; /* 0x04 - 0x0F - not used */
  17. u8 reset_ctl1; /* 0x10 - Reset control Register1 */
  18. u8 reset_ctl2; /* 0x11 - Reset control Register2 */
  19. u8 int_status; /* 0x12 - Interrupt status Register */
  20. u8 flash_ctl_status; /* 0x13 - Flash control and status register */
  21. u8 fan_ctl_status; /* 0x14 - Fan control and status register */
  22. #if defined(CONFIG_TARGET_T1040D4RDB) || defined(CONFIG_TARGET_T1042D4RDB)
  23. u8 int_mask; /* 0x15 - Interrupt mask Register */
  24. #else
  25. u8 led_ctl_status; /* 0x15 - LED control and status register */
  26. #endif
  27. u8 sfp_ctl_status; /* 0x16 - SFP control and status register */
  28. u8 misc_ctl_status; /* 0x17 - Miscellanies ctrl & status register*/
  29. u8 boot_override; /* 0x18 - Boot override register */
  30. u8 boot_config1; /* 0x19 - Boot config override register*/
  31. u8 boot_config2; /* 0x1A - Boot config override register*/
  32. } cpld_data_t;
  33. /* Pointer to the CPLD register set */
  34. u8 cpld_read(unsigned int reg);
  35. void cpld_write(unsigned int reg, u8 value);
  36. #define CPLD_READ(reg) cpld_read(offsetof(struct cpld_data, reg))
  37. #define CPLD_WRITE(reg, value)\
  38. cpld_write(offsetof(struct cpld_data, reg), value)
  39. #define MISC_CTL_SG_SEL 0x80
  40. #define MISC_CTL_AURORA_SEL 0x02
  41. #define MISC_MUX_QE_TDM 0xc0