1 files changed, 93 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/sata.c b/arch/arm/mach-omap2/sata.c
new file mode 100644
index 0000000000..2c2d1bce36
--- /dev/null
+++ b/arch/arm/mach-omap2/sata.c
@@ -0,0 +1,93 @@
+/*
+ * TI SATA platform driver
+ *
+ * (C) Copyright 2013
+ * Texas Instruments, <www.ti.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <ahci.h>
+#include <scsi.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sata.h>
+#include <sata.h>
+#include <asm/io.h>
+#include "pipe3-phy.h"
+
+static struct pipe3_dpll_map dpll_map_sata[] = {
+	{12000000, {1000, 7, 4, 6, 0} },        /* 12 MHz */
+	{16800000, {714, 7, 4, 6, 0} },         /* 16.8 MHz */
+	{19200000, {625, 7, 4, 6, 0} },         /* 19.2 MHz */
+	{20000000, {600, 7, 4, 6, 0} },         /* 20 MHz */
+	{26000000, {461, 7, 4, 6, 0} },         /* 26 MHz */
+	{38400000, {312, 7, 4, 6, 0} },         /* 38.4 MHz */
+	{ },                                    /* Terminator */
+};
+
+struct omap_pipe3 sata_phy = {
+	.pll_ctrl_base = (void __iomem *)TI_SATA_PLLCTRL_BASE,
+	/* .power_reg is updated at runtime */
+	.dpll_map = dpll_map_sata,
+};
+
+int init_sata(int dev)
+{
+	int ret;
+	u32 val;
+
+	u32 const clk_domains_sata[] = {
+		0
+	};
+
+	u32 const clk_modules_hw_auto_sata[] = {
+		(*prcm)->cm_l3init_ocp2scp3_clkctrl,
+		0
+	};
+
+	u32 const clk_modules_explicit_en_sata[] = {
+		(*prcm)->cm_l3init_sata_clkctrl,
+		0
+	};
+
+	do_enable_clocks(clk_domains_sata,
+			 clk_modules_hw_auto_sata,
+			 clk_modules_explicit_en_sata,
+			 0);
+
+	/* Enable optional functional clock for SATA */
+	setbits_le32((*prcm)->cm_l3init_sata_clkctrl,
+		     SATA_CLKCTRL_OPTFCLKEN_MASK);
+
+	sata_phy.power_reg = (void __iomem *)(*ctrl)->control_phy_power_sata;
+
+	/* Power up the PHY */
+	phy_pipe3_power_on(&sata_phy);
+
+	/* Enable SATA module, No Idle, No Standby */
+	val = TI_SATA_IDLE_NO | TI_SATA_STANDBY_NO;
+	writel(val, TI_SATA_WRAPPER_BASE + TI_SATA_SYSCONFIG);
+
+	ret = ahci_init((void __iomem *)DWC_AHSATA_BASE);
+
+	return ret;
+}
+
+int reset_sata(int dev)
+{
+	return 0;
+}
+
+/* On OMAP platforms SATA provides the SCSI subsystem */
+void scsi_init(void)
+{
+	init_sata(0);
+	scsi_scan(1);
+}
+
+void scsi_bus_reset(void)
+{
+	ahci_reset((void __iomem *)DWC_AHSATA_BASE);
+	ahci_init((void __iomem *)DWC_AHSATA_BASE);
+}