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usbdebug: Refactor early enable

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Always sanity check for EHCI class device and move
PCI function power enablement up.

Change-Id: I1eebe813fbb420738af2d572178213fc660f392a
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/20826
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Kyösti Mälkki
2017-07-30 13:23:32 +03:00
parent d1a0c57708
commit 6683e409d3
13 changed files with 33 additions and 87 deletions
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5
src/include/device/pci_ehci.h
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@@ -23,10 +23,13 @@
#define EHCI_BAR_INDEX 0x10
#define PCI_EHCI_CLASSCODE 0x0c0320 /* USB2.0 with EHCI controller */
/* Return PCI BDF for an EHCI controller by a given index. PCI function
* must already be powered to respond to configuration requests.
*/
pci_devfn_t pci_ehci_dbg_dev(unsigned int hcd_idx);
u8 *pci_ehci_base_regs(pci_devfn_t dev);
void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port);
void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base);
#ifndef __PRE_RAM__
#if !IS_ENABLED(CONFIG_USBDEBUG)