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| author | Nico Huber <nico.huber@secunet.com> | 2017-08-31 12:28:15 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2018-04-27 09:17:52 +0000 |
| commit | d1a3366d5612e491a05dc0ff6214df8e204e8544 (patch) | |
| tree | 487eba3078e88ffe63a1396f23ee2a57f75a9886 | |
| parent | f7caa67ebc73edb70b86b9f779a65ad0df58916c (diff) | |
| download | coreboot-d1a3366d5612e491a05dc0ff6214df8e204e8544.tar.xz | |
drivers/asmedia: Add ASPM blacklist
To be selected by mainboard Kconfig if the board hosts an ASMedia chip
that spuriously advertises ASPM features.
Change-Id: I05f9789bc14db56d2ac085f4f14047d80c3aefb5
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/25619
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/drivers/asmedia/Kconfig | 2 | ||||
| -rw-r--r-- | src/drivers/asmedia/Makefile.inc | 16 | ||||
| -rw-r--r-- | src/drivers/asmedia/aspm_blacklist.c | 43 |
3 files changed, 61 insertions, 0 deletions
diff --git a/src/drivers/asmedia/Kconfig b/src/drivers/asmedia/Kconfig new file mode 100644 index 0000000000..e0a0ca3db0 --- /dev/null +++ b/src/drivers/asmedia/Kconfig @@ -0,0 +1,2 @@ +config DRIVERS_ASMEDIA_ASPM_BLACKLIST + bool diff --git a/src/drivers/asmedia/Makefile.inc b/src/drivers/asmedia/Makefile.inc new file mode 100644 index 0000000000..daa4e895a1 --- /dev/null +++ b/src/drivers/asmedia/Makefile.inc @@ -0,0 +1,16 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2018 secunet Security Networks AG +## +## 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. +## + +ramstage-$(CONFIG_DRIVERS_ASMEDIA_ASPM_BLACKLIST) += aspm_blacklist.c diff --git a/src/drivers/asmedia/aspm_blacklist.c b/src/drivers/asmedia/aspm_blacklist.c new file mode 100644 index 0000000000..6162416e51 --- /dev/null +++ b/src/drivers/asmedia/aspm_blacklist.c @@ -0,0 +1,43 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 secunet Security Networks AG + * + * 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 <console/console.h> +#include <device/device.h> +#include <device/pci.h> + +static void disable_aspm(struct device *const dev) +{ + printk(BIOS_INFO, "Disabling ASPM for %s [%04x/%04x]\n", + dev_path(dev), dev->vendor, dev->device); + dev->disable_pcie_aspm = 1; +} + +static struct device_operations asmedia_noaspm_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .enable = disable_aspm, +}; + +static const unsigned short pci_device_ids[] = { + 0x0611, /* ASM1061 SATA IDE Controller */ + 0 +}; + +static const struct pci_driver asmedia_noaspm __pci_driver = { + .ops = &asmedia_noaspm_ops, + .vendor = 0x1b21, + .devices = pci_device_ids, +}; |