cpld.h 1.7 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647
  1. /**
  2. * Copyright 2013 Freescale Semiconductor
  3. *
  4. * SPDX-License-Identifier: GPL-2.0+
  5. *
  6. * This file provides support for the ngPIXIS, a board-specific FPGA used on
  7. * some Freescale reference boards.
  8. */
  9. /*
  10. * CPLD register set. Feel free to add board-specific #ifdefs where necessary.
  11. */
  12. struct cpld_data {
  13. u8 cpld_ver; /* 0x00 - CPLD Major Revision Register */
  14. u8 cpld_ver_sub; /* 0x01 - CPLD Minor Revision Register */
  15. u8 hw_ver; /* 0x02 - Hardware Revision Register */
  16. u8 sw_ver; /* 0x03 - Software Revision register */
  17. u8 res0[12]; /* 0x04 - 0x0F - not used */
  18. u8 reset_ctl1; /* 0x10 - Reset control Register1 */
  19. u8 reset_ctl2; /* 0x11 - Reset control Register2 */
  20. u8 int_status; /* 0x12 - Interrupt status Register */
  21. u8 flash_ctl_status; /* 0x13 - Flash control and status register */
  22. u8 fan_ctl_status; /* 0x14 - Fan control and status register */
  23. #if defined(CONFIG_TARGET_T1040D4RDB) || defined(CONFIG_TARGET_T1042D4RDB)
  24. u8 int_mask; /* 0x15 - Interrupt mask Register */
  25. #else
  26. u8 led_ctl_status; /* 0x15 - LED control and status register */
  27. #endif
  28. u8 sfp_ctl_status; /* 0x16 - SFP control and status register */
  29. u8 misc_ctl_status; /* 0x17 - Miscellanies ctrl & status register*/
  30. u8 boot_override; /* 0x18 - Boot override register */
  31. u8 boot_config1; /* 0x19 - Boot config override register*/
  32. u8 boot_config2; /* 0x1A - Boot config override register*/
  33. } cpld_data_t;
  34. /* Pointer to the CPLD register set */
  35. u8 cpld_read(unsigned int reg);
  36. void cpld_write(unsigned int reg, u8 value);
  37. #define CPLD_READ(reg) cpld_read(offsetof(struct cpld_data, reg))
  38. #define CPLD_WRITE(reg, value)\
  39. cpld_write(offsetof(struct cpld_data, reg), value)
  40. #define MISC_CTL_SG_SEL 0x80
  41. #define MISC_CTL_AURORA_SEL 0x02
  42. #define MISC_MUX_QE_TDM 0xc0