From 13194f3b5f51d104bdfdd7ff5a7556136b6dc35c Mon Sep 17 00:00:00 2001 From: Vivek Gautam Date: Sat, 14 Sep 2013 14:02:46 +0530 Subject: USB: XHCI: Add xHCI host controller support for Exynos5 This adds driver layer for xHCI controller in Samsung's exynos5 soc. This interacts with xHCI host controller stack. Signed-off-by: Vikas C Sajjan Signed-off-by: Vivek Gautam Cc: Julius Werner Cc: Simon Glass Cc: Minkyu Kang Cc: Dan Murphy Cc: Marek Vasut --- arch/arm/include/asm/arch-exynos/cpu.h | 8 +++ arch/arm/include/asm/arch-exynos/xhci-exynos.h | 88 ++++++++++++++++++++++++++ 2 files changed, 96 insertions(+) create mode 100644 arch/arm/include/asm/arch-exynos/xhci-exynos.h (limited to 'arch/arm') diff --git a/arch/arm/include/asm/arch-exynos/cpu.h b/arch/arm/include/asm/arch-exynos/cpu.h index 4b67191..b4ef03e 100644 --- a/arch/arm/include/asm/arch-exynos/cpu.h +++ b/arch/arm/include/asm/arch-exynos/cpu.h @@ -51,6 +51,8 @@ #define EXYNOS4_ACE_SFR_BASE DEVICE_NOT_AVAILABLE #define EXYNOS4_DMC_PHY_BASE DEVICE_NOT_AVAILABLE #define EXYNOS4_AUDIOSS_BASE DEVICE_NOT_AVAILABLE +#define EXYNOS4_USB_HOST_XHCI_BASE DEVICE_NOT_AVAILABLE +#define EXYNOS4_USB3PHY_BASE DEVICE_NOT_AVAILABLE /* EXYNOS4X12 */ #define EXYNOS4X12_GPIO_PART3_BASE 0x03860000 @@ -87,6 +89,8 @@ #define EXYNOS4X12_ACE_SFR_BASE DEVICE_NOT_AVAILABLE #define EXYNOS4X12_DMC_PHY_BASE DEVICE_NOT_AVAILABLE #define EXYNOS4X12_AUDIOSS_BASE DEVICE_NOT_AVAILABLE +#define EXYNOS4X12_USB_HOST_XHCI_BASE DEVICE_NOT_AVAILABLE +#define EXYNOS4X12_USB3PHY_BASE DEVICE_NOT_AVAILABLE /* EXYNOS5 Common*/ #define EXYNOS5_I2C_SPACING 0x10000 @@ -106,6 +110,8 @@ #define EXYNOS5_DMC_CTRL_BASE 0x10DD0000 #define EXYNOS5_GPIO_PART1_BASE 0x11400000 #define EXYNOS5_MIPI_DSIM_BASE 0x11D00000 +#define EXYNOS5_USB_HOST_XHCI_BASE 0x12000000 +#define EXYNOS5_USB3PHY_BASE 0x12100000 #define EXYNOS5_USB_HOST_EHCI_BASE 0x12110000 #define EXYNOS5_USBPHY_BASE 0x12130000 #define EXYNOS5_USBOTG_BASE 0x12140000 @@ -220,7 +226,9 @@ SAMSUNG_BASE(swreset, SWRESET) SAMSUNG_BASE(timer, PWMTIMER_BASE) SAMSUNG_BASE(uart, UART_BASE) SAMSUNG_BASE(usb_phy, USBPHY_BASE) +SAMSUNG_BASE(usb3_phy, USB3PHY_BASE) SAMSUNG_BASE(usb_ehci, USB_HOST_EHCI_BASE) +SAMSUNG_BASE(usb_xhci, USB_HOST_XHCI_BASE) SAMSUNG_BASE(usb_otg, USBOTG_BASE) SAMSUNG_BASE(watchdog, WATCHDOG_BASE) SAMSUNG_BASE(power, POWER_BASE) diff --git a/arch/arm/include/asm/arch-exynos/xhci-exynos.h b/arch/arm/include/asm/arch-exynos/xhci-exynos.h new file mode 100644 index 0000000..92b90a4 --- /dev/null +++ b/arch/arm/include/asm/arch-exynos/xhci-exynos.h @@ -0,0 +1,88 @@ +/* Copyright (c) 2012 Samsung Electronics Co. Ltd + * + * Exynos Phy register definitions + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ASM_ARCH_XHCI_EXYNOS_H_ +#define _ASM_ARCH_XHCI_EXYNOS_H_ + +/* Phy register MACRO definitions */ + +#define LINKSYSTEM_FLADJ_MASK (0x3f << 1) +#define LINKSYSTEM_FLADJ(_x) ((_x) << 1) +#define LINKSYSTEM_XHCI_VERSION_CONTROL (0x1 << 27) + +#define PHYUTMI_OTGDISABLE (1 << 6) +#define PHYUTMI_FORCESUSPEND (1 << 1) +#define PHYUTMI_FORCESLEEP (1 << 0) + +#define PHYCLKRST_SSC_REFCLKSEL_MASK (0xff << 23) +#define PHYCLKRST_SSC_REFCLKSEL(_x) ((_x) << 23) + +#define PHYCLKRST_SSC_RANGE_MASK (0x03 << 21) +#define PHYCLKRST_SSC_RANGE(_x) ((_x) << 21) + +#define PHYCLKRST_SSC_EN (0x1 << 20) +#define PHYCLKRST_REF_SSP_EN (0x1 << 19) +#define PHYCLKRST_REF_CLKDIV2 (0x1 << 18) + +#define PHYCLKRST_MPLL_MULTIPLIER_MASK (0x7f << 11) +#define PHYCLKRST_MPLL_MULTIPLIER_100MHZ_REF (0x19 << 11) +#define PHYCLKRST_MPLL_MULTIPLIER_50M_REF (0x02 << 11) +#define PHYCLKRST_MPLL_MULTIPLIER_24MHZ_REF (0x68 << 11) +#define PHYCLKRST_MPLL_MULTIPLIER_20MHZ_REF (0x7d << 11) +#define PHYCLKRST_MPLL_MULTIPLIER_19200KHZ_REF (0x02 << 11) + +#define PHYCLKRST_FSEL_MASK (0x3f << 5) +#define PHYCLKRST_FSEL(_x) ((_x) << 5) +#define PHYCLKRST_FSEL_PAD_100MHZ (0x27 << 5) +#define PHYCLKRST_FSEL_PAD_24MHZ (0x2a << 5) +#define PHYCLKRST_FSEL_PAD_20MHZ (0x31 << 5) +#define PHYCLKRST_FSEL_PAD_19_2MHZ (0x38 << 5) + +#define PHYCLKRST_RETENABLEN (0x1 << 4) + +#define PHYCLKRST_REFCLKSEL_MASK (0x03 << 2) +#define PHYCLKRST_REFCLKSEL_PAD_REFCLK (0x2 << 2) +#define PHYCLKRST_REFCLKSEL_EXT_REFCLK (0x3 << 2) + +#define PHYCLKRST_PORTRESET (0x1 << 1) +#define PHYCLKRST_COMMONONN (0x1 << 0) + +#define PHYPARAM0_REF_USE_PAD (0x1 << 31) +#define PHYPARAM0_REF_LOSLEVEL_MASK (0x1f << 26) +#define PHYPARAM0_REF_LOSLEVEL (0x9 << 26) + +#define PHYPARAM1_PCS_TXDEEMPH_MASK (0x1f << 0) +#define PHYPARAM1_PCS_TXDEEMPH (0x1c) + +#define PHYTEST_POWERDOWN_SSP (0x1 << 3) +#define PHYTEST_POWERDOWN_HSP (0x1 << 2) + +#define PHYBATCHG_UTMI_CLKSEL (0x1 << 2) + +#define FSEL_CLKSEL_24M (0x5) + +/* XHCI PHY register structure */ +struct exynos_usb3_phy { + unsigned int reserve1; + unsigned int link_system; + unsigned int phy_utmi; + unsigned int phy_pipe; + unsigned int phy_clk_rst; + unsigned int phy_reg0; + unsigned int phy_reg1; + unsigned int phy_param0; + unsigned int phy_param1; + unsigned int phy_term; + unsigned int phy_test; + unsigned int phy_adp; + unsigned int phy_batchg; + unsigned int phy_resume; + unsigned int reserve2[3]; + unsigned int link_port; +}; + +#endif /* _ASM_ARCH_XHCI_EXYNOS_H_ */ -- cgit v1.1