GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ */
+
+#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;
+}