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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
[karo-tx-linux.git] / arch / powerpc / platforms / 85xx / corenet_ds.c
1 /*
2  * Corenet based SoC DS Setup
3  *
4  * Maintained by Kumar Gala (see MAINTAINERS for contact information)
5  *
6  * Copyright 2009-2011 Freescale Semiconductor Inc.
7  *
8  * This program is free software; you can redistribute  it and/or modify it
9  * under  the terms of  the GNU General  Public License as published by the
10  * Free Software Foundation;  either version 2 of the  License, or (at your
11  * option) any later version.
12  */
13
14 #include <linux/kernel.h>
15 #include <linux/pci.h>
16 #include <linux/kdev_t.h>
17 #include <linux/delay.h>
18 #include <linux/interrupt.h>
19 #include <linux/memblock.h>
20
21 #include <asm/system.h>
22 #include <asm/time.h>
23 #include <asm/machdep.h>
24 #include <asm/pci-bridge.h>
25 #include <asm/ppc-pci.h>
26 #include <mm/mmu_decl.h>
27 #include <asm/prom.h>
28 #include <asm/udbg.h>
29 #include <asm/mpic.h>
30
31 #include <linux/of_platform.h>
32 #include <sysdev/fsl_soc.h>
33 #include <sysdev/fsl_pci.h>
34 #include "smp.h"
35
36 void __init corenet_ds_pic_init(void)
37 {
38         struct mpic *mpic;
39         unsigned int flags = MPIC_BIG_ENDIAN |
40                                 MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU;
41
42         if (ppc_md.get_irq == mpic_get_coreint_irq)
43                 flags |= MPIC_ENABLE_COREINT;
44
45         mpic = mpic_alloc(NULL, 0, flags, 0, 256, " OpenPIC  ");
46         BUG_ON(mpic == NULL);
47
48         mpic_init(mpic);
49 }
50
51 /*
52  * Setup the architecture
53  */
54 void __init corenet_ds_setup_arch(void)
55 {
56 #ifdef CONFIG_PCI
57         struct device_node *np;
58         struct pci_controller *hose;
59 #endif
60         dma_addr_t max = 0xffffffff;
61
62         mpc85xx_smp_init();
63
64 #ifdef CONFIG_PCI
65         for_each_node_by_type(np, "pci") {
66                 if (of_device_is_compatible(np, "fsl,p4080-pcie") ||
67                     of_device_is_compatible(np, "fsl,qoriq-pcie-v2.2")) {
68                         fsl_add_bridge(np, 0);
69                         hose = pci_find_hose_for_OF_device(np);
70                         max = min(max, hose->dma_window_base_cur +
71                                         hose->dma_window_size);
72                 }
73         }
74
75 #ifdef CONFIG_PPC64
76         pci_devs_phb_init();
77 #endif
78 #endif
79
80 #ifdef CONFIG_SWIOTLB
81         if (memblock_end_of_DRAM() > max) {
82                 ppc_swiotlb_enable = 1;
83                 set_pci_dma_ops(&swiotlb_dma_ops);
84                 ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
85         }
86 #endif
87         pr_info("%s board from Freescale Semiconductor\n", ppc_md.name);
88 }
89
90 static const struct of_device_id of_device_ids[] __devinitconst = {
91         {
92                 .compatible     = "simple-bus"
93         },
94         {
95                 .compatible     = "fsl,srio",
96         },
97         {
98                 .compatible     = "fsl,p4080-pcie",
99         },
100         {
101                 .compatible     = "fsl,qoriq-pcie-v2.2",
102         },
103         /* The following two are for the Freescale hypervisor */
104         {
105                 .name           = "hypervisor",
106         },
107         {
108                 .name           = "handles",
109         },
110         {}
111 };
112
113 int __init corenet_ds_publish_devices(void)
114 {
115         return of_platform_bus_probe(NULL, of_device_ids, NULL);
116 }