mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-17 08:37:14 +07:00
ed1f0eeeba
Add device ID 0x0a04 for Haswell-ULT to the list of devices with MCH problems. From a Lenovo ThinkPad T440S: [ 0.188604] pnp: PnP ACPI init [ 0.189044] system 00:00: [mem 0x00000000-0x0009ffff] could not be reserved [ 0.189048] system 00:00: [mem 0x000c0000-0x000c3fff] could not be reserved [ 0.189050] system 00:00: [mem 0x000c4000-0x000c7fff] could not be reserved [ 0.189052] system 00:00: [mem 0x000c8000-0x000cbfff] could not be reserved [ 0.189054] system 00:00: [mem 0x000cc000-0x000cffff] could not be reserved [ 0.189056] system 00:00: [mem 0x000d0000-0x000d3fff] has been reserved [ 0.189058] system 00:00: [mem 0x000d4000-0x000d7fff] has been reserved [ 0.189060] system 00:00: [mem 0x000d8000-0x000dbfff] has been reserved [ 0.189061] system 00:00: [mem 0x000dc000-0x000dffff] has been reserved [ 0.189063] system 00:00: [mem 0x000e0000-0x000e3fff] could not be reserved [ 0.189065] system 00:00: [mem 0x000e4000-0x000e7fff] could not be reserved [ 0.189067] system 00:00: [mem 0x000e8000-0x000ebfff] could not be reserved [ 0.189069] system 00:00: [mem 0x000ec000-0x000effff] could not be reserved [ 0.189071] system 00:00: [mem 0x000f0000-0x000fffff] could not be reserved [ 0.189073] system 00:00: [mem 0x00100000-0xdf9fffff] could not be reserved [ 0.189075] system 00:00: [mem 0xfec00000-0xfed3ffff] could not be reserved [ 0.189078] system 00:00: [mem 0xfed4c000-0xffffffff] could not be reserved [ 0.189082] system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active) [ 0.189216] system 00:01: [io 0x1800-0x189f] could not be reserved [ 0.189220] system 00:01: [io 0x0800-0x087f] has been reserved [ 0.189222] system 00:01: [io 0x0880-0x08ff] has been reserved [ 0.189224] system 00:01: [io 0x0900-0x097f] has been reserved [ 0.189226] system 00:01: [io 0x0980-0x09ff] has been reserved [ 0.189229] system 00:01: [io 0x0a00-0x0a7f] has been reserved [ 0.189231] system 00:01: [io 0x0a80-0x0aff] has been reserved [ 0.189233] system 00:01: [io 0x0b00-0x0b7f] has been reserved [ 0.189235] system 00:01: [io 0x0b80-0x0bff] has been reserved [ 0.189238] system 00:01: [io 0x15e0-0x15ef] has been reserved [ 0.189240] system 00:01: [io 0x1600-0x167f] has been reserved [ 0.189242] system 00:01: [io 0x1640-0x165f] has been reserved [ 0.189246] system 00:01: [mem 0xf8000000-0xfbffffff] could not be reserved [ 0.189249] system 00:01: [mem 0x00000000-0x00000fff] could not be reserved [ 0.189251] system 00:01: [mem 0xfed1c000-0xfed1ffff] has been reserved [ 0.189254] system 00:01: [mem 0xfed10000-0xfed13fff] has been reserved [ 0.189256] system 00:01: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.189258] system 00:01: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.189261] system 00:01: [mem 0xfed45000-0xfed4bfff] has been reserved [ 0.189264] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active) [....] [ 0.583653] resource sanity check: requesting [mem 0xfed10000-0xfed15fff], which spans more than pnp 00:01 [mem 0xfed10000-0xfed13fff] [ 0.583654] ------------[ cut here ]------------ [ 0.583660] WARNING: CPU: 0 PID: 1 at arch/x86/mm/ioremap.c:198 __ioremap_caller+0x2c5/0x380() [ 0.583661] Info: mapping multiple BARs. Your kernel is fine. [ 0.583662] Modules linked in: [ 0.583666] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.3.3-303.fc23.x86_64 #1 [ 0.583668] Hardware name: LENOVO 20AR001GXS/20AR001GXS, BIOS GJET86WW (2.36 ) 12/04/2015 [ 0.583670] 0000000000000000 0000000014cf7e59 ffff880214a1baf8 ffffffff813a625f [ 0.583673] ffff880214a1bb40 ffff880214a1bb30 ffffffff810a07c2 00000000fed10000 [ 0.583675] ffffc90000cb8000 0000000000006000 0000000000000000 ffff8800d6381040 [ 0.583678] Call Trace: [ 0.583683] [<ffffffff813a625f>] dump_stack+0x44/0x55 [ 0.583686] [<ffffffff810a07c2>] warn_slowpath_common+0x82/0xc0 [ 0.583688] [<ffffffff810a085c>] warn_slowpath_fmt+0x5c/0x80 [ 0.583692] [<ffffffff810a6fba>] ? iomem_map_sanity_check+0xba/0xd0 [ 0.583695] [<ffffffff81065835>] __ioremap_caller+0x2c5/0x380 [ 0.583698] [<ffffffff81065907>] ioremap_nocache+0x17/0x20 [ 0.583701] [<ffffffff8103a119>] snb_uncore_imc_init_box+0x79/0xb0 [ 0.583705] [<ffffffff81038900>] uncore_pci_probe+0xd0/0x1b0 [ 0.583707] [<ffffffff813efda5>] local_pci_probe+0x45/0xa0 [ 0.583710] [<ffffffff813f118d>] pci_device_probe+0xfd/0x140 [ 0.583713] [<ffffffff814d9b52>] driver_probe_device+0x222/0x480 [ 0.583715] [<ffffffff814d9e34>] __driver_attach+0x84/0x90 [ 0.583717] [<ffffffff814d9db0>] ? driver_probe_device+0x480/0x480 [ 0.583720] [<ffffffff814d762c>] bus_for_each_dev+0x6c/0xc0 [ 0.583722] [<ffffffff814d930e>] driver_attach+0x1e/0x20 [ 0.583724] [<ffffffff814d8e4b>] bus_add_driver+0x1eb/0x280 [ 0.583727] [<ffffffff81d6af1a>] ? uncore_cpu_setup+0x12/0x12 [ 0.583729] [<ffffffff814da680>] driver_register+0x60/0xe0 [ 0.583733] [<ffffffff813ef78c>] __pci_register_driver+0x4c/0x50 [ 0.583736] [<ffffffff81d6affc>] intel_uncore_init+0xe2/0x2e6 [ 0.583738] [<ffffffff81d6af1a>] ? uncore_cpu_setup+0x12/0x12 [ 0.583741] [<ffffffff81002123>] do_one_initcall+0xb3/0x200 [ 0.583745] [<ffffffff810be500>] ? parse_args+0x1a0/0x4a0 [ 0.583749] [<ffffffff81d5c1c8>] kernel_init_freeable+0x189/0x223 [ 0.583752] [<ffffffff81775c40>] ? rest_init+0x80/0x80 [ 0.583754] [<ffffffff81775c4e>] kernel_init+0xe/0xe0 [ 0.583758] [<ffffffff81781adf>] ret_from_fork+0x3f/0x70 [ 0.583760] [<ffffffff81775c40>] ? rest_init+0x80/0x80 [ 0.583765] ---[ end trace 077c426a39e018aa ]--- 00:00.0 Host bridge [0600]: Intel Corporation Haswell-ULT DRAM Controller [8086:0a04] (rev 0b) Subsystem: Lenovo Device [17aa:220c] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx- Latency: 0 Capabilities: <access denied> Kernel driver in use: hsw_uncore Link: https://bugzilla.redhat.com/show_bug.cgi?id=1300955 Tested-by: <robo@tcp.sk> Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
466 lines
12 KiB
C
466 lines
12 KiB
C
/*
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* This file contains quirk handling code for PnP devices
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* Some devices do not report all their resources, and need to have extra
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* resources added. This is most easily accomplished at initialisation time
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* when building up the resource structure for the first time.
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*
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* Copyright (c) 2000 Peter Denison <peterd@pnd-pc.demon.co.uk>
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* Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
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* Bjorn Helgaas <bjorn.helgaas@hp.com>
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*
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* Heavily based on PCI quirks handling which is
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*
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* Copyright (c) 1999 Martin Mares <mj@ucw.cz>
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*/
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/pci.h>
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#include <linux/string.h>
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#include <linux/slab.h>
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#include <linux/pnp.h>
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#include <linux/io.h>
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#include <linux/kallsyms.h>
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#include "base.h"
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static void quirk_awe32_add_ports(struct pnp_dev *dev,
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struct pnp_option *option,
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unsigned int offset)
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{
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struct pnp_option *new_option;
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new_option = kmalloc(sizeof(struct pnp_option), GFP_KERNEL);
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if (!new_option) {
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dev_err(&dev->dev, "couldn't add ioport region to option set "
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"%d\n", pnp_option_set(option));
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return;
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}
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*new_option = *option;
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new_option->u.port.min += offset;
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new_option->u.port.max += offset;
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list_add(&new_option->list, &option->list);
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dev_info(&dev->dev, "added ioport region %#llx-%#llx to set %d\n",
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(unsigned long long) new_option->u.port.min,
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(unsigned long long) new_option->u.port.max,
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pnp_option_set(option));
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}
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static void quirk_awe32_resources(struct pnp_dev *dev)
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{
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struct pnp_option *option;
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unsigned int set = ~0;
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/*
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* Add two extra ioport regions (at offset 0x400 and 0x800 from the
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* one given) to every dependent option set.
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*/
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list_for_each_entry(option, &dev->options, list) {
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if (pnp_option_is_dependent(option) &&
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pnp_option_set(option) != set) {
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set = pnp_option_set(option);
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quirk_awe32_add_ports(dev, option, 0x800);
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quirk_awe32_add_ports(dev, option, 0x400);
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}
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}
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}
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static void quirk_cmi8330_resources(struct pnp_dev *dev)
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{
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struct pnp_option *option;
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struct pnp_irq *irq;
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struct pnp_dma *dma;
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list_for_each_entry(option, &dev->options, list) {
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if (!pnp_option_is_dependent(option))
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continue;
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if (option->type == IORESOURCE_IRQ) {
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irq = &option->u.irq;
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bitmap_zero(irq->map.bits, PNP_IRQ_NR);
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__set_bit(5, irq->map.bits);
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__set_bit(7, irq->map.bits);
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__set_bit(10, irq->map.bits);
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dev_info(&dev->dev, "set possible IRQs in "
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"option set %d to 5, 7, 10\n",
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pnp_option_set(option));
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} else if (option->type == IORESOURCE_DMA) {
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dma = &option->u.dma;
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if ((dma->flags & IORESOURCE_DMA_TYPE_MASK) ==
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IORESOURCE_DMA_8BIT &&
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dma->map != 0x0A) {
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dev_info(&dev->dev, "changing possible "
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"DMA channel mask in option set %d "
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"from %#02x to 0x0A (1, 3)\n",
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pnp_option_set(option), dma->map);
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dma->map = 0x0A;
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}
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}
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}
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}
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static void quirk_sb16audio_resources(struct pnp_dev *dev)
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{
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struct pnp_option *option;
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unsigned int prev_option_flags = ~0, n = 0;
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struct pnp_port *port;
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/*
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* The default range on the OPL port for these devices is 0x388-0x388.
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* Here we increase that range so that two such cards can be
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* auto-configured.
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*/
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list_for_each_entry(option, &dev->options, list) {
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if (prev_option_flags != option->flags) {
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prev_option_flags = option->flags;
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n = 0;
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}
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if (pnp_option_is_dependent(option) &&
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option->type == IORESOURCE_IO) {
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n++;
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port = &option->u.port;
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if (n == 3 && port->min == port->max) {
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port->max += 0x70;
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dev_info(&dev->dev, "increased option port "
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"range from %#llx-%#llx to "
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"%#llx-%#llx\n",
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(unsigned long long) port->min,
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(unsigned long long) port->min,
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(unsigned long long) port->min,
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(unsigned long long) port->max);
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}
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}
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}
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}
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static struct pnp_option *pnp_clone_dependent_set(struct pnp_dev *dev,
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unsigned int set)
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{
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struct pnp_option *tail = NULL, *first_new_option = NULL;
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struct pnp_option *option, *new_option;
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unsigned int flags;
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list_for_each_entry(option, &dev->options, list) {
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if (pnp_option_is_dependent(option))
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tail = option;
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}
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if (!tail) {
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dev_err(&dev->dev, "no dependent option sets\n");
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return NULL;
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}
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flags = pnp_new_dependent_set(dev, PNP_RES_PRIORITY_FUNCTIONAL);
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list_for_each_entry(option, &dev->options, list) {
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if (pnp_option_is_dependent(option) &&
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pnp_option_set(option) == set) {
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new_option = kmalloc(sizeof(struct pnp_option),
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GFP_KERNEL);
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if (!new_option) {
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dev_err(&dev->dev, "couldn't clone dependent "
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"set %d\n", set);
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return NULL;
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}
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*new_option = *option;
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new_option->flags = flags;
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if (!first_new_option)
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first_new_option = new_option;
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list_add(&new_option->list, &tail->list);
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tail = new_option;
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}
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}
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return first_new_option;
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}
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static void quirk_add_irq_optional_dependent_sets(struct pnp_dev *dev)
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{
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struct pnp_option *new_option;
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unsigned int num_sets, i, set;
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struct pnp_irq *irq;
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num_sets = dev->num_dependent_sets;
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for (i = 0; i < num_sets; i++) {
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new_option = pnp_clone_dependent_set(dev, i);
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if (!new_option)
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return;
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set = pnp_option_set(new_option);
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while (new_option && pnp_option_set(new_option) == set) {
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if (new_option->type == IORESOURCE_IRQ) {
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irq = &new_option->u.irq;
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irq->flags |= IORESOURCE_IRQ_OPTIONAL;
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}
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dbg_pnp_show_option(dev, new_option);
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new_option = list_entry(new_option->list.next,
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struct pnp_option, list);
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}
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dev_info(&dev->dev, "added dependent option set %d (same as "
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"set %d except IRQ optional)\n", set, i);
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}
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}
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static void quirk_ad1815_mpu_resources(struct pnp_dev *dev)
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{
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struct pnp_option *option;
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struct pnp_irq *irq = NULL;
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unsigned int independent_irqs = 0;
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list_for_each_entry(option, &dev->options, list) {
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if (option->type == IORESOURCE_IRQ &&
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!pnp_option_is_dependent(option)) {
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independent_irqs++;
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irq = &option->u.irq;
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}
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}
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if (independent_irqs != 1)
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return;
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irq->flags |= IORESOURCE_IRQ_OPTIONAL;
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dev_info(&dev->dev, "made independent IRQ optional\n");
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}
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#include <linux/pci.h>
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static void quirk_system_pci_resources(struct pnp_dev *dev)
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{
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struct pci_dev *pdev = NULL;
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struct resource *res;
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resource_size_t pnp_start, pnp_end, pci_start, pci_end;
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int i, j;
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/*
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* Some BIOSes have PNP motherboard devices with resources that
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* partially overlap PCI BARs. The PNP system driver claims these
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* motherboard resources, which prevents the normal PCI driver from
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* requesting them later.
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*
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* This patch disables the PNP resources that conflict with PCI BARs
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* so they won't be claimed by the PNP system driver.
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*/
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for_each_pci_dev(pdev) {
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for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
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unsigned long flags, type;
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flags = pci_resource_flags(pdev, i);
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type = flags & (IORESOURCE_IO | IORESOURCE_MEM);
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if (!type || pci_resource_len(pdev, i) == 0)
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continue;
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if (flags & IORESOURCE_UNSET)
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continue;
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pci_start = pci_resource_start(pdev, i);
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pci_end = pci_resource_end(pdev, i);
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for (j = 0;
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(res = pnp_get_resource(dev, type, j)); j++) {
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if (res->start == 0 && res->end == 0)
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continue;
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pnp_start = res->start;
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pnp_end = res->end;
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/*
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* If the PNP region doesn't overlap the PCI
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* region at all, there's no problem.
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*/
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if (pnp_end < pci_start || pnp_start > pci_end)
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continue;
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/*
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* If the PNP region completely encloses (or is
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* at least as large as) the PCI region, that's
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* also OK. For example, this happens when the
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* PNP device describes a bridge with PCI
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* behind it.
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*/
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if (pnp_start <= pci_start &&
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pnp_end >= pci_end)
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continue;
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/*
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* Otherwise, the PNP region overlaps *part* of
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* the PCI region, and that might prevent a PCI
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* driver from requesting its resources.
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*/
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dev_warn(&dev->dev,
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"disabling %pR because it overlaps "
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"%s BAR %d %pR\n", res,
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pci_name(pdev), i, &pdev->resource[i]);
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res->flags |= IORESOURCE_DISABLED;
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}
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}
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}
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}
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#ifdef CONFIG_AMD_NB
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#include <asm/amd_nb.h>
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static void quirk_amd_mmconfig_area(struct pnp_dev *dev)
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{
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resource_size_t start, end;
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struct pnp_resource *pnp_res;
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struct resource *res;
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struct resource mmconfig_res, *mmconfig;
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mmconfig = amd_get_mmconfig_range(&mmconfig_res);
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if (!mmconfig)
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return;
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list_for_each_entry(pnp_res, &dev->resources, list) {
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res = &pnp_res->res;
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if (res->end < mmconfig->start || res->start > mmconfig->end ||
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(res->start == mmconfig->start && res->end == mmconfig->end))
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continue;
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dev_info(&dev->dev, FW_BUG
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"%pR covers only part of AMD MMCONFIG area %pR; adding more reservations\n",
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res, mmconfig);
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if (mmconfig->start < res->start) {
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start = mmconfig->start;
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end = res->start - 1;
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pnp_add_mem_resource(dev, start, end, 0);
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}
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if (mmconfig->end > res->end) {
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start = res->end + 1;
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end = mmconfig->end;
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pnp_add_mem_resource(dev, start, end, 0);
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}
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break;
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}
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}
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#endif
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#ifdef CONFIG_PCI
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/* Device IDs of parts that have 32KB MCH space */
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static const unsigned int mch_quirk_devices[] = {
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0x0154, /* Ivy Bridge */
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0x0a04, /* Haswell-ULT */
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0x0c00, /* Haswell */
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0x1604, /* Broadwell */
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|
};
|
|
|
|
static struct pci_dev *get_intel_host(void)
|
|
{
|
|
int i;
|
|
struct pci_dev *host;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mch_quirk_devices); i++) {
|
|
host = pci_get_device(PCI_VENDOR_ID_INTEL, mch_quirk_devices[i],
|
|
NULL);
|
|
if (host)
|
|
return host;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void quirk_intel_mch(struct pnp_dev *dev)
|
|
{
|
|
struct pci_dev *host;
|
|
u32 addr_lo, addr_hi;
|
|
struct pci_bus_region region;
|
|
struct resource mch;
|
|
struct pnp_resource *pnp_res;
|
|
struct resource *res;
|
|
|
|
host = get_intel_host();
|
|
if (!host)
|
|
return;
|
|
|
|
/*
|
|
* MCHBAR is not an architected PCI BAR, so MCH space is usually
|
|
* reported as a PNP0C02 resource. The MCH space was originally
|
|
* 16KB, but is 32KB in newer parts. Some BIOSes still report a
|
|
* PNP0C02 resource that is only 16KB, which means the rest of the
|
|
* MCH space is consumed but unreported.
|
|
*/
|
|
|
|
/*
|
|
* Read MCHBAR for Host Member Mapped Register Range Base
|
|
* https://www-ssl.intel.com/content/www/us/en/processors/core/4th-gen-core-family-desktop-vol-2-datasheet
|
|
* Sec 3.1.12.
|
|
*/
|
|
pci_read_config_dword(host, 0x48, &addr_lo);
|
|
region.start = addr_lo & ~0x7fff;
|
|
pci_read_config_dword(host, 0x4c, &addr_hi);
|
|
region.start |= (u64) addr_hi << 32;
|
|
region.end = region.start + 32*1024 - 1;
|
|
|
|
memset(&mch, 0, sizeof(mch));
|
|
mch.flags = IORESOURCE_MEM;
|
|
pcibios_bus_to_resource(host->bus, &mch, ®ion);
|
|
|
|
list_for_each_entry(pnp_res, &dev->resources, list) {
|
|
res = &pnp_res->res;
|
|
if (res->end < mch.start || res->start > mch.end)
|
|
continue; /* no overlap */
|
|
if (res->start == mch.start && res->end == mch.end)
|
|
continue; /* exact match */
|
|
|
|
dev_info(&dev->dev, FW_BUG "PNP resource %pR covers only part of %s Intel MCH; extending to %pR\n",
|
|
res, pci_name(host), &mch);
|
|
res->start = mch.start;
|
|
res->end = mch.end;
|
|
break;
|
|
}
|
|
|
|
pci_dev_put(host);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* PnP Quirks
|
|
* Cards or devices that need some tweaking due to incomplete resource info
|
|
*/
|
|
|
|
static struct pnp_fixup pnp_fixups[] = {
|
|
/* Soundblaster awe io port quirk */
|
|
{"CTL0021", quirk_awe32_resources},
|
|
{"CTL0022", quirk_awe32_resources},
|
|
{"CTL0023", quirk_awe32_resources},
|
|
/* CMI 8330 interrupt and dma fix */
|
|
{"@X@0001", quirk_cmi8330_resources},
|
|
/* Soundblaster audio device io port range quirk */
|
|
{"CTL0001", quirk_sb16audio_resources},
|
|
{"CTL0031", quirk_sb16audio_resources},
|
|
{"CTL0041", quirk_sb16audio_resources},
|
|
{"CTL0042", quirk_sb16audio_resources},
|
|
{"CTL0043", quirk_sb16audio_resources},
|
|
{"CTL0044", quirk_sb16audio_resources},
|
|
{"CTL0045", quirk_sb16audio_resources},
|
|
/* Add IRQ-optional MPU options */
|
|
{"ADS7151", quirk_ad1815_mpu_resources},
|
|
{"ADS7181", quirk_add_irq_optional_dependent_sets},
|
|
{"AZT0002", quirk_add_irq_optional_dependent_sets},
|
|
/* PnP resources that might overlap PCI BARs */
|
|
{"PNP0c01", quirk_system_pci_resources},
|
|
{"PNP0c02", quirk_system_pci_resources},
|
|
#ifdef CONFIG_AMD_NB
|
|
{"PNP0c01", quirk_amd_mmconfig_area},
|
|
#endif
|
|
#ifdef CONFIG_PCI
|
|
{"PNP0c02", quirk_intel_mch},
|
|
#endif
|
|
{""}
|
|
};
|
|
|
|
void pnp_fixup_device(struct pnp_dev *dev)
|
|
{
|
|
struct pnp_fixup *f;
|
|
|
|
for (f = pnp_fixups; *f->id; f++) {
|
|
if (!compare_pnp_id(dev->id, f->id))
|
|
continue;
|
|
pnp_dbg(&dev->dev, "%s: calling %pF\n", f->id,
|
|
f->quirk_function);
|
|
f->quirk_function(dev);
|
|
}
|
|
}
|