git.sur5r.net Git - u-boot/blob - arch/arm/imx-common/sata.c

   1 /*
   2  * Copyright 2011 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <asm/imx-common/iomux-v3.h>
   8 #include <asm/arch/iomux.h>
   9 #include <asm/io.h>
  10
  11 int setup_sata(void)
  12 {
  13         struct iomuxc_base_regs *const iomuxc_regs
  14                 = (struct iomuxc_base_regs *)IOMUXC_BASE_ADDR;
  15
  16         int ret = enable_sata_clock();
  17         if (ret)
  18                 return ret;
  19
  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
  32         return 0;
  33 }