sata.c 903 B

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright 2011 Freescale Semiconductor, Inc.
  4. */
  5. #include <asm/mach-imx/iomux-v3.h>
  6. #include <asm/arch/iomux.h>
  7. #include <asm/io.h>
  8. #include <asm/arch/clock.h>
  9. #include <asm/arch/imx-regs.h>
  10. #include <asm/arch/sys_proto.h>
  11. int setup_sata(void)
  12. {
  13. struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
  14. int ret;
  15. if (!is_mx6dq() && !is_mx6dqp())
  16. return 1;
  17. ret = enable_sata_clock();
  18. if (ret)
  19. return ret;
  20. clrsetbits_le32(&iomuxc_regs->gpr[13],
  21. IOMUXC_GPR13_SATA_MASK,
  22. IOMUXC_GPR13_SATA_PHY_8_RXEQ_3P0DB
  23. |IOMUXC_GPR13_SATA_PHY_7_SATA2M
  24. |IOMUXC_GPR13_SATA_SPEED_3G
  25. |(3<<IOMUXC_GPR13_SATA_PHY_6_SHIFT)
  26. |IOMUXC_GPR13_SATA_SATA_PHY_5_SS_DISABLED
  27. |IOMUXC_GPR13_SATA_SATA_PHY_4_ATTEN_9_16
  28. |IOMUXC_GPR13_SATA_PHY_3_TXBOOST_0P00_DB
  29. |IOMUXC_GPR13_SATA_PHY_2_TX_1P104V
  30. |IOMUXC_GPR13_SATA_PHY_1_SLOW);
  31. return 0;
  32. }