sata.c
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/*
* Copyright 2011 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/mach-imx/iomux-v3.h>
#include <asm/arch/iomux.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
int setup_sata(void)
{
struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
int ret;
if (!is_mx6dq() && !is_mx6dqp())
return 1;
ret = enable_sata_clock();
if (ret)
return ret;
clrsetbits_le32(&iomuxc_regs->gpr[13],
IOMUXC_GPR13_SATA_MASK,
IOMUXC_GPR13_SATA_PHY_8_RXEQ_3P0DB
|IOMUXC_GPR13_SATA_PHY_7_SATA2M
|IOMUXC_GPR13_SATA_SPEED_3G
|(3<<IOMUXC_GPR13_SATA_PHY_6_SHIFT)
|IOMUXC_GPR13_SATA_SATA_PHY_5_SS_DISABLED
|IOMUXC_GPR13_SATA_SATA_PHY_4_ATTEN_9_16
|IOMUXC_GPR13_SATA_PHY_3_TXBOOST_0P00_DB
|IOMUXC_GPR13_SATA_PHY_2_TX_1P104V
|IOMUXC_GPR13_SATA_PHY_1_SLOW);
return 0;
}