xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-imx/sata.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2011 Freescale Semiconductor, Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <asm/mach-imx/iomux-v3.h>
8*4882a593Smuzhiyun #include <asm/arch/iomux.h>
9*4882a593Smuzhiyun #include <asm/io.h>
10*4882a593Smuzhiyun #include <asm/arch/clock.h>
11*4882a593Smuzhiyun #include <asm/arch/sys_proto.h>
12*4882a593Smuzhiyun 
setup_sata(void)13*4882a593Smuzhiyun int setup_sata(void)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun 	struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
16*4882a593Smuzhiyun 	int ret;
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun 	if (!is_mx6dq() && !is_mx6dqp())
19*4882a593Smuzhiyun 		return 1;
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun 	ret = enable_sata_clock();
22*4882a593Smuzhiyun 	if (ret)
23*4882a593Smuzhiyun 		return ret;
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 	clrsetbits_le32(&iomuxc_regs->gpr[13],
26*4882a593Smuzhiyun 			IOMUXC_GPR13_SATA_MASK,
27*4882a593Smuzhiyun 			IOMUXC_GPR13_SATA_PHY_8_RXEQ_3P0DB
28*4882a593Smuzhiyun 			|IOMUXC_GPR13_SATA_PHY_7_SATA2M
29*4882a593Smuzhiyun 			|IOMUXC_GPR13_SATA_SPEED_3G
30*4882a593Smuzhiyun 			|(3<<IOMUXC_GPR13_SATA_PHY_6_SHIFT)
31*4882a593Smuzhiyun 			|IOMUXC_GPR13_SATA_SATA_PHY_5_SS_DISABLED
32*4882a593Smuzhiyun 			|IOMUXC_GPR13_SATA_SATA_PHY_4_ATTEN_9_16
33*4882a593Smuzhiyun 			|IOMUXC_GPR13_SATA_PHY_3_TXBOOST_0P00_DB
34*4882a593Smuzhiyun 			|IOMUXC_GPR13_SATA_PHY_2_TX_1P104V
35*4882a593Smuzhiyun 			|IOMUXC_GPR13_SATA_PHY_1_SLOW);
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun 	return 0;
38*4882a593Smuzhiyun }
39