u-boot/arch/arm/imx-common/sata.c
Tim Harvey 22452fd821 imx: sata: return failure if not IMX6Q/IMX6D
The IMX6QUAD/DUAL have SATA, but the IMX6SOLO/DL do not. Return
instead of configuring the SATA clock and GPR13 registers.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
2014-06-06 10:14:52 +02:00

39 lines
928 B
C

/*
* Copyright 2011 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/imx-common/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_base_regs *const iomuxc_regs
= (struct iomuxc_base_regs *)IOMUXC_BASE_ADDR;
int ret;
if (!is_cpu_type(MXC_CPU_MX6Q) && !is_cpu_type(MXC_CPU_MX6D))
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;
}