OMAP5: USB: Add OMAP xHCI file and header

Add the OMAP file for the xHCI Host controller
This code will initilialize the proper components within the
OMAP5 to enable the xHCI host controller.

Signed-off-by: Dan Murphy <dmurphy@ti.com>

1 files changed, 124 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-omap5/xhci-omap.h b/arch/arm/include/asm/arch-omap5/xhci-omap.h
new file mode 100644
index 0000000..b557a43
--- /dev/null
+++ b/arch/arm/include/asm/arch-omap5/xhci-omap.h
@@ -0,0 +1,124 @@
+/*
+ * (C) Copyright 2013
+ * Texas Instruments Inc, <www.ti.com>
+ *
+ * Author: Dan Murphy <dmurphy@ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _ASM_ARCH_XHCI_OMAP_H_
+#define _ASM_ARCH_XHCI_OMAP_H_
+
+#define OMAP_XHCI_BASE 0x4a030000
+#define OMAP_OCP1_SCP_BASE 0x4a084c00
+#define OMAP_OTG_WRAPPER_BASE 0x4A020000
+
+/* Phy register MACRO definitions */
+#define	PLL_REGM_MASK		0x001FFE00
+#define	PLL_REGM_SHIFT		0x9
+#define	PLL_REGM_F_MASK		0x0003FFFF
+#define	PLL_REGM_F_SHIFT	0x0
+#define	PLL_REGN_MASK		0x000001FE
+#define	PLL_REGN_SHIFT		0x1
+#define	PLL_SELFREQDCO_MASK	0x0000000E
+#define	PLL_SELFREQDCO_SHIFT	0x1
+#define	PLL_SD_MASK		0x0003FC00
+#define	PLL_SD_SHIFT		0x9
+#define	SET_PLL_GO		0x1
+#define	PLL_TICOPWDN		0x10000
+#define	PLL_LOCK		0x2
+#define	PLL_IDLE		0x1
+
+#define USB3_PWRCTL_CLK_CMD_MASK	0x3FE000
+#define USB3_PWRCTL_CLK_FREQ_MASK	0xFFC
+#define USB3_PHY_PARTIAL_RX_POWERON     (1 << 6)
+#define USB3_PHY_RX_POWERON		(1 << 14)
+#define USB3_PHY_TX_POWERON		(1 << 15)
+#define USB3_PHY_TX_RX_POWERON	(USB3_PHY_RX_POWERON | USB3_PHY_TX_POWERON)
+#define USB3_PWRCTL_CLK_CMD_SHIFT   14
+#define USB3_PWRCTL_CLK_FREQ_SHIFT	22
+
+/* USBOTGSS_WRAPPER definitions */
+#define USBOTGSS_WRAPRESET	(1 << 17)
+#define USBOTGSS_DMADISABLE (1 << 16)
+#define USBOTGSS_STANDBYMODE_NO_STANDBY (1 << 4)
+#define USBOTGSS_STANDBYMODE_SMRT		(1 << 5)
+#define USBOTGSS_STANDBYMODE_SMRT_WKUP (0x3 << 4)
+#define USBOTGSS_IDLEMODE_NOIDLE (1 << 2)
+#define USBOTGSS_IDLEMODE_SMRT (1 << 3)
+#define USBOTGSS_IDLEMODE_SMRT_WKUP (0x3 << 2)
+
+/* USBOTGSS_IRQENABLE_SET_0 bit */
+#define USBOTGSS_COREIRQ_EN	(1 << 0)
+
+/* USBOTGSS_IRQENABLE_SET_1 bits */
+#define USBOTGSS_IRQ_SET_1_IDPULLUP_FALL_EN	(1 << 0)
+#define USBOTGSS_IRQ_SET_1_DISCHRGVBUS_FALL_EN	(1 << 3)
+#define USBOTGSS_IRQ_SET_1_CHRGVBUS_FALL_EN	(1 << 4)
+#define USBOTGSS_IRQ_SET_1_DRVVBUS_FALL_EN	(1 << 5)
+#define USBOTGSS_IRQ_SET_1_IDPULLUP_RISE_EN	(1 << 8)
+#define USBOTGSS_IRQ_SET_1_DISCHRGVBUS_RISE_EN	(1 << 11)
+#define USBOTGSS_IRQ_SET_1_CHRGVBUS_RISE_EN	(1 << 12)
+#define USBOTGSS_IRQ_SET_1_DRVVBUS_RISE_EN	(1 << 13)
+#define USBOTGSS_IRQ_SET_1_OEVT_EN	(1 << 16)
+#define USBOTGSS_IRQ_SET_1_DMADISABLECLR_EN	(1 << 17)
+
+/*
+ * USBOTGSS_WRAPPER registers
+ */
+struct omap_dwc_wrapper {
+	u32 revision;
+
+	u32 reserve_1[3];
+
+	u32 sysconfig; /* offset of 0x10 */
+
+	u32 reserve_2[3];
+	u16 reserve_3;
+
+	u32 irqstatus_raw_0; /* offset of 0x24 */
+	u32 irqstatus_0;
+	u32 irqenable_set_0;
+	u32 irqenable_clr_0;
+
+	u32 irqstatus_raw_1; /* offset of 0x34 */
+	u32 irqstatus_1;
+	u32 irqenable_set_1;
+	u32 irqenable_clr_1;
+
+	u32 reserve_4[15];
+
+	u32 utmi_otg_ctrl; /* offset of 0x80 */
+	u32 utmi_otg_status;
+
+	u32 reserve_5[30];
+
+	u32 mram_offset; /* offset of 0x100 */
+	u32 fladj;
+	u32 dbg_config;
+	u32 dbg_data;
+	u32 dev_ebc_en;
+};
+
+/* XHCI PHY register structure */
+struct omap_usb3_phy {
+	u32 reserve1;
+	u32 pll_status;
+	u32 pll_go;
+	u32 pll_config_1;
+	u32 pll_config_2;
+	u32 pll_config_3;
+	u32 pll_ssc_config_1;
+	u32 pll_ssc_config_2;
+	u32 pll_config_4;
+};
+
+struct omap_xhci {
+	struct omap_dwc_wrapper *otg_wrapper;
+	struct omap_usb3_phy *usb3_phy;
+	struct xhci_hccr *hcd;
+	struct dwc3 *dwc3_reg;
+};
+
+#endif /* _ASM_ARCH_XHCI_OMAP_H_ */