diff options
author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/drivers/usb/host/ohci-da8xx.c | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/u-boot/drivers/usb/host/ohci-da8xx.c')
-rw-r--r-- | roms/u-boot/drivers/usb/host/ohci-da8xx.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/usb/host/ohci-da8xx.c b/roms/u-boot/drivers/usb/host/ohci-da8xx.c new file mode 100644 index 00000000..98166280 --- /dev/null +++ b/roms/u-boot/drivers/usb/host/ohci-da8xx.c @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2012 Sughosh Ganu <urwithsughosh@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> + +#include <asm/arch/da8xx-usb.h> + +int usb_cpu_init(void) +{ + /* enable psc for usb2.0 */ + lpsc_on(DAVINCI_LPSC_USB20); + + /* enable psc for usb1.0 */ + lpsc_on(DAVINCI_LPSC_USB11); + + /* start the on-chip usb phy and its pll */ + if (usb_phy_on()) + return 0; + + return 1; +} + +int usb_cpu_stop(void) +{ + usb_phy_off(); + + /* turn off the usb clock and assert the module reset */ + lpsc_disable(DAVINCI_LPSC_USB11); + lpsc_disable(DAVINCI_LPSC_USB20); + + return 0; +} + +int usb_cpu_init_fail(void) +{ + return usb_cpu_stop(); +} |