diff options
Diffstat (limited to 'src/soc/samsung/exynos5420/usb.h')
| -rw-r--r-- | src/soc/samsung/exynos5420/usb.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/soc/samsung/exynos5420/usb.h b/src/soc/samsung/exynos5420/usb.h new file mode 100644 index 0000000000..b3c2a33fd6 --- /dev/null +++ b/src/soc/samsung/exynos5420/usb.h @@ -0,0 +1,144 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Samsung Electronics + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef CPU_SAMSUNG_EXYNOS5420_USB_H +#define CPU_SAMSUNG_EXYNOS5420_USB_H + +#include "cpu.h" + +#define CLK_24MHZ 5 + +#define HOST_CTRL0_PHYSWRSTALL (1 << 31) +#define HOST_CTRL0_COMMONON_N (1 << 9) +#define HOST_CTRL0_SIDDQ (1 << 6) +#define HOST_CTRL0_FORCESLEEP (1 << 5) +#define HOST_CTRL0_FORCESUSPEND (1 << 4) +#define HOST_CTRL0_WORDINTERFACE (1 << 3) +#define HOST_CTRL0_UTMISWRST (1 << 2) +#define HOST_CTRL0_LINKSWRST (1 << 1) +#define HOST_CTRL0_PHYSWRST (1 << 0) + +#define HOST_CTRL0_FSEL_MASK (7 << 16) + +#define EHCICTRL_ENAINCRXALIGN (1 << 29) +#define EHCICTRL_ENAINCR4 (1 << 28) +#define EHCICTRL_ENAINCR8 (1 << 27) +#define EHCICTRL_ENAINCR16 (1 << 26) + +/* Register map for PHY control */ +struct exynos5_usb_host_phy { + uint32_t usbphyctrl0; + uint32_t usbphytune0; + uint8_t reserved1[8]; + uint32_t hsicphyctrl1; + uint32_t hsicphytune1; + uint8_t reserved2[8]; + uint32_t hsicphyctrl2; + uint32_t hsicphytune2; + uint8_t reserved3[8]; + uint32_t ehcictrl; + uint32_t ohcictrl; + uint32_t usbotgsys; + uint8_t reserved4[4]; + uint32_t usbotgtune; +}; + +static struct exynos5_usb_host_phy * const exynos_usb_host_phy = + (void *)EXYNOS5_USB_HOST_PHY_BASE; + +struct exynos5_usb_drd_phy { + uint8_t reserved1[4]; + uint32_t linksystem; + uint32_t utmi; + uint32_t pipe; + uint32_t clkrst; + uint32_t reg0; + uint32_t reg1; + uint32_t param0; + uint32_t param1; + uint32_t term; + uint32_t test; + uint32_t adp; + uint32_t utmiclksel; + uint32_t resume; + uint8_t reserved2[8]; + uint32_t linkhcbelt; + uint32_t linkport; +}; + +static struct exynos5_usb_drd_phy * const exynos_usb_drd0_phy = + (void *)EXYNOS5420_USB_DRD0_PHY_BASE; +static struct exynos5_usb_drd_phy * const exynos_usb_drd1_phy = + (void *)EXYNOS5420_USB_DRD1_PHY_BASE; + +struct exynos5_usb_drd_dwc3 { + uint32_t sbuscfg0; + uint32_t sbuscfg1; + uint32_t txthrcfg; + uint32_t rxthrcfg; + uint32_t ctl; + uint32_t evten; + uint32_t sts; + uint8_t reserved0[4]; + uint32_t snpsid; + uint32_t gpio; + uint32_t uid; + uint32_t uctl; + uint64_t buserraddr; + uint64_t prtbimap; + uint8_t reserved1[32]; + uint32_t dbgfifospace; + uint32_t dbgltssm; + uint32_t dbglnmcc; + uint32_t dbgbmu; + uint32_t dbglspmux; + uint32_t dbglsp; + uint32_t dbgepinfo0; + uint32_t dbgepinfo1; + uint64_t prtbimap_hs; + uint64_t prtbimap_fs; + uint8_t reserved2[112]; + uint32_t usb2phycfg; + uint8_t reserved3[60]; + uint32_t usb2i2cctl; + uint8_t reserved4[60]; + uint32_t usb2phyacc; + uint8_t reserved5[60]; + uint32_t usb3pipectl; + uint8_t reserved6[60]; +}; + +static struct exynos5_usb_drd_dwc3 * const exynos_usb_drd0_dwc3 = + (void *)EXYNOS5420_USB_DRD0_DWC3_BASE; +static struct exynos5_usb_drd_dwc3 * const exynos_usb_drd1_dwc3 = + (void *)EXYNOS5420_USB_DRD1_DWC3_BASE; + +/* Leave hsic_gpio at 0 to not enable HSIC. */ +void setup_usb_host_phy(int hsic_gpio); + +void setup_usb_drd0_phy(void); +void setup_usb_drd1_phy(void); + +/* Call reset_ before setup_, ensure at least 100ms pass in between. */ +void reset_usb_drd0_dwc3(void); +void reset_usb_drd1_dwc3(void); +void setup_usb_drd0_dwc3(void); +void setup_usb_drd1_dwc3(void); + +#endif |