blob: 7b272416b9ccd907db4c8a4fb39fc8565db72ae9 [file] [log] [blame]
Gavin Shan8747f362013-06-20 13:21:06 +08001/*
2 * The file intends to implement the functions needed by EEH, which is
3 * built on IODA compliant chip. Actually, lots of functions related
4 * to EEH would be built based on the OPAL APIs.
5 *
6 * Copyright Benjamin Herrenschmidt & Gavin Shan, IBM Corporation 2013.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14#include <linux/bootmem.h>
15#include <linux/delay.h>
16#include <linux/init.h>
17#include <linux/io.h>
18#include <linux/irq.h>
19#include <linux/kernel.h>
20#include <linux/msi.h>
21#include <linux/pci.h>
22#include <linux/string.h>
23
24#include <asm/eeh.h>
25#include <asm/eeh_event.h>
26#include <asm/io.h>
27#include <asm/iommu.h>
28#include <asm/msi_bitmap.h>
29#include <asm/opal.h>
30#include <asm/pci-bridge.h>
31#include <asm/ppc-pci.h>
32#include <asm/tce.h>
33
34#include "powernv.h"
35#include "pci.h"
36
Gavin Shan73370c62013-06-20 13:21:07 +080037/**
38 * ioda_eeh_post_init - Chip dependent post initialization
39 * @hose: PCI controller
40 *
41 * The function will be called after eeh PEs and devices
42 * have been built. That means the EEH is ready to supply
43 * service with I/O cache.
44 */
45static int ioda_eeh_post_init(struct pci_controller *hose)
46{
47 struct pnv_phb *phb = hose->private_data;
48
49 /* FIXME: Enable it for PHB3 later */
50 if (phb->type == PNV_PHB_IODA1)
51 phb->eeh_enabled = 1;
52
53 return 0;
54}
55
Gavin Shan8747f362013-06-20 13:21:06 +080056struct pnv_eeh_ops ioda_eeh_ops = {
Gavin Shan73370c62013-06-20 13:21:07 +080057 .post_init = ioda_eeh_post_init,
Gavin Shan8747f362013-06-20 13:21:06 +080058 .set_option = NULL,
59 .get_state = NULL,
60 .reset = NULL,
61 .get_log = NULL,
62 .configure_bridge = NULL,
63 .next_error = NULL
64};