diff options
Diffstat (limited to 'arch/arm/imx-common/sata.c')
-rw-r--r-- | arch/arm/imx-common/sata.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/imx-common/sata.c b/arch/arm/imx-common/sata.c new file mode 100644 index 0000000..1b4c502 --- /dev/null +++ b/arch/arm/imx-common/sata.c @@ -0,0 +1,33 @@ +/* + * 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> + +int setup_sata(void) +{ + struct iomuxc_base_regs *const iomuxc_regs + = (struct iomuxc_base_regs *)IOMUXC_BASE_ADDR; + + int 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; +} |