Add platform glue logic for the SATA controller.
Signed-off-by: Roger Quadros <rog...@ti.com>
---
arch/arm/cpu/armv7/omap-common/Makefile | 3 ++
arch/arm/cpu/armv7/omap-common/sata.c | 78 +++++++++++++++++++++++++++++++++
arch/arm/include/asm/arch-omap5/sata.h | 48 ++++++++++++++++++++
3 files changed, 129 insertions(+)
create mode 100644 arch/arm/cpu/armv7/omap-common/sata.c
create mode 100644 arch/arm/include/asm/arch-omap5/sata.h
diff --git a/arch/arm/cpu/armv7/omap-common/Makefile
b/arch/arm/cpu/armv7/omap-common/Makefile
index 6e4a0f0..0535b62 100644
--- a/arch/arm/cpu/armv7/omap-common/Makefile
+++ b/arch/arm/cpu/armv7/omap-common/Makefile
@@ -23,6 +23,9 @@ endif
ifneq ($(CONFIG_OMAP54XX),)
COBJS += pipe3-phy.o
+ifdef CONFIG_SCSI_AHCI_PLAT
+COBJS += sata.o
+endif
endif
ifeq ($(CONFIG_OMAP34XX),)
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 0000000..eb079c3
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap-common/sata.c
@@ -0,0 +1,78 @@
+/*
+ * 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"
+
+#if defined(CONFIG_SCSI_AHCI_PLAT)
+
+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;
+}
+#endif
diff --git a/arch/arm/include/asm/arch-omap5/sata.h
b/arch/arm/include/asm/arch-omap5/sata.h
new file mode 100644
index 0000000..2ca8947
--- /dev/null
+++ b/arch/arm/include/asm/arch-omap5/sata.h
@@ -0,0 +1,48 @@
+/*
+ * SATA Wrapper Register map
+ *
+ * (C) Copyright 2013
+ * Texas Instruments, <www.ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _TI_SATA_H
+#define _TI_SATA_H
+
+/* SATA Wrapper module */
+#define TI_SATA_WRAPPER_BASE (OMAP54XX_L4_CORE_BASE + 0x141100)
+/* SATA PHY Module */
+#define TI_SATA_PLLCTRL_BASE (OMAP54XX_L4_CORE_BASE + 0x96800)
+
+/* SATA Wrapper register offsets */
+#define TI_SATA_SYSCONFIG 0x00
+#define TI_SATA_CDRLOCK 0x04
+
+/* Register Set */
+#define TI_SATA_SYSCONFIG_OVERRIDE0 (1 << 16)
+#define TI_SATA_SYSCONFIG_STANDBY_MASK (0x3 << 4)
+#define TI_SATA_SYSCONFIG_IDLE_MASK (0x3 << 2)
+
+/* Standby modes */
+#define TI_SATA_STANDBY_FORCE 0x0
+#define TI_SATA_STANDBY_NO (0x1 << 4)
+#define TI_SATA_STANDBY_SMART_WAKE (0x3 << 4)
+#define TI_SATA_STANDBY_SMART (0x2 << 4)
+
+/* Idle modes */
+#define TI_SATA_IDLE_FORCE 0x0
+#define TI_SATA_IDLE_NO (0x1 << 2)
+#define TI_SATA_IDLE_SMART_WAKE (0x3 << 2)
+#define TI_SATA_IDLE_SMART (0x2 << 2)
+
+#ifdef CONFIG_SCSI_AHCI_PLAT
+int omap_sata_init(void);
+#else
+static inline int omap_sata_init(void)
+{
+ return 0;
+}
+#endif /* CONFIG_SCSI_AHCI_PLAT */
+
+#endif /* _TI_SATA_H */
--
1.8.3.2
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