diff options
Diffstat (limited to 'arch/arm/mach-imx/sata.c')
-rw-r--r-- | arch/arm/mach-imx/sata.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/sata.c b/arch/arm/mach-imx/sata.c new file mode 100644 index 00000000000..142a7f4222c --- /dev/null +++ b/arch/arm/mach-imx/sata.c @@ -0,0 +1,38 @@ +/* + * 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; +} |