diff options
| author | Stefan Reinauer <reinauer@chromium.org> | 2013-06-20 16:13:19 -0700 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2013-07-10 22:47:53 +0200 |
| commit | 3a0d0d8622c9f4f14116ecb3f265dddf52fece84 (patch) | |
| tree | 73f7f8662c3febef890a766fcfbbff18b02c46f5 /src/cpu/samsung/exynos5420/usb.h | |
| parent | 2ad63c2e08de2cccc7de42c4c3c5efeec7af25ad (diff) | |
Exynos5420: Initialize USB PHY
... this is needed for libpayload to talk to USB devices.
(forward ported from https://gerrit.chromium.org/gerrit/#/c/55554)
Change-Id: I5a20864689efd0c0149775e6d85b658e0cc6715c
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Reviewed-on: http://review.coreboot.org/3697
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/cpu/samsung/exynos5420/usb.h')
| -rw-r--r-- | src/cpu/samsung/exynos5420/usb.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/cpu/samsung/exynos5420/usb.h b/src/cpu/samsung/exynos5420/usb.h new file mode 100644 index 0000000000..1b7d6357e7 --- /dev/null +++ b/src/cpu/samsung/exynos5420/usb.h @@ -0,0 +1,62 @@ +/* + * 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 + +#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 usb_phy { + uint32_t usbphyctrl0; + uint32_t usbphytune0; + uint32_t reserved1[2]; + uint32_t hsicphyctrl1; + uint32_t hsicphytune1; + uint32_t reserved2[2]; + uint32_t hsicphyctrl2; + uint32_t hsicphytune2; + uint32_t reserved3[2]; + uint32_t ehcictrl; + uint32_t ohcictrl; + uint32_t usbotgsys; + uint32_t reserved4; + uint32_t usbotgtune; +}; + +void usb_init(device_t dev); + +#endif |