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coreboot-kgpe-d16/util/uio_usbdebug/uio_usbdebug_intel.c

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AUTHORS, util/: Drop individual copyright notices We have the git history which is a more reliable librarian. Change-Id: Idbcc5ceeb33804204e56d62491cb58146f7c9f37 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41175 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: ron minnich <rminnich@gmail.com>
2020-05-08 19:28:13 +02:00
/* This file is part of uio_usbdebug */
uio_usbdebug: User-space-i/o framework for usbdebug uio_usbdebug enables you to debug coreboot's usbdebug driver inside a running operating system (only Linux at this time). This comes very handy if you're hacking the usbdebug driver and don't have any other debug output from coreboot itself. Currently, only Intel chipsets are supported. Change-Id: Iaf0bcd4b4c01ae0b099d1206d553344054a62f31 Signed-off-by: Nico Huber <nico.h@gmx.de> Reviewed-on: http://review.coreboot.org/4695 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-01-01 20:47:55 +01:00
/*
* 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.
*/
#include <arch/io.h>
#include <device/device.h>
#include <device/pci_ehci.h>
#include <console/usb.h>
extern void *ehci_bar;
pci_devfn_t pci_ehci_dbg_dev(unsigned hcd_idx)
{
u32 class;
pci_devfn_t dev;
#if CONFIG_HAVE_USBDEBUG_OPTIONS
if (hcd_idx==2)
dev = PCI_DEV(0, 0x1a, 0);
else
dev = PCI_DEV(0, 0x1d, 0);
#else
dev = PCI_DEV(0, 0x1d, 7);
#endif
class = pci_read_config32(dev, PCI_CLASS_REVISION) >> 8;
#if CONFIG_HAVE_USBDEBUG_OPTIONS
if (class != PCI_EHCI_CLASSCODE) {
/* If we enter here before RCBA programming, EHCI function may
* appear with the highest function number instead.
*/
dev |= PCI_DEV(0, 0, 7);
class = pci_read_config32(dev, PCI_CLASS_REVISION) >> 8;
}
#endif
if (class != PCI_EHCI_CLASSCODE)
return 0;
return dev;
}
void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
{
treewide: capitalize 'USB' Change-Id: I7650786ea50465a4c2d11de948fdb81f4e509772 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/39100 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-02-24 13:26:04 +01:00
/* claim USB debug port */
uio_usbdebug: User-space-i/o framework for usbdebug uio_usbdebug enables you to debug coreboot's usbdebug driver inside a running operating system (only Linux at this time). This comes very handy if you're hacking the usbdebug driver and don't have any other debug output from coreboot itself. Currently, only Intel chipsets are supported. Change-Id: Iaf0bcd4b4c01ae0b099d1206d553344054a62f31 Signed-off-by: Nico Huber <nico.h@gmx.de> Reviewed-on: http://review.coreboot.org/4695 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-01-01 20:47:55 +01:00
const unsigned long dbgctl_addr =
((unsigned long)ehci_bar) + CONFIG_EHCI_DEBUG_OFFSET;
write32(dbgctl_addr, read32(dbgctl_addr) | (1 << 30));
}
void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base)
{
}