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Diffstat (limited to 'arch/arm/cpu/armv7/omap-common/sata.c')
-rw-r--r--arch/arm/cpu/armv7/omap-common/sata.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/sata.c b/arch/arm/cpu/armv7/omap-common/sata.c
new file mode 100644
index 0000000000..f5468c4c97
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap-common/sata.c
@@ -0,0 +1,75 @@
+/*
+ * 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 <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 omap_sata_init(void)
+{
+ 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(DWC_AHSATA_BASE);
+ scsi_scan(1);
+
+ return ret;
+}
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