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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-15 22:04:58 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-15 22:04:58 -0400
commit45158894d4d6704afbb4cefe55e5f6ca279fe12a (patch)
treed57e745e2d0848d75cd4a46ca04178b16f186b50 /arch/powerpc/platforms/85xx/mpc8536_ds.c
parent89a93f2f4834f8c126e8d9dd6b368d0b9e21ec3d (diff)
parent84c3d4aaec3338201b449034beac41635866bddf (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (249 commits) powerpc: Fix pte_update for CONFIG_PTE_64BIT and !PTE_ATOMIC_UPDATES powerpc: Fix a build problem on ppc32 with new DMA_ATTRs ibm_newemac: Add MII mode support to the EMAC RGMII bridge. powerpc: Don't spin on sync instruction at boot time powerpc: Add VSX load/store alignment exception handler powerpc: fix giveup_vsx to save registers correctly powerpc: support for latencytop powerpc: Remove unnecessary condition when sanity-checking WIMG bits powerpc: Add PPC_FEATURE_PSERIES_PERFMON_COMPAT powerpc: Add driver for Barrier Synchronization Register powerpc: mman.h export fixups powerpc/fsl: update crypto node definition and device tree instances powerpc/fsl: Refactor device bindings powerpc/85xx: Minor fixes for 85xxds and 8536ds board. powerpc: Add 82xx/83xx/86xx to 6xx Multiplatform powerpc/85xx: publish of device for cds platforms powerpc/booke: don't reinitialize time base powerpc/86xx: Refactor pic init powerpc/CPM: Add i2c pins to dts and board setup cpm_uart: Support uart_wait_until_sent() ...
Diffstat (limited to 'arch/powerpc/platforms/85xx/mpc8536_ds.c')
-rw-r--r--arch/powerpc/platforms/85xx/mpc8536_ds.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c
new file mode 100644
index 000000000000..6b846aa1ced9
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c
@@ -0,0 +1,125 @@
1/*
2 * MPC8536 DS Board Setup
3 *
4 * Copyright 2008 Freescale Semiconductor, Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
10 */
11
12#include <linux/stddef.h>
13#include <linux/kernel.h>
14#include <linux/pci.h>
15#include <linux/kdev_t.h>
16#include <linux/delay.h>
17#include <linux/seq_file.h>
18#include <linux/interrupt.h>
19#include <linux/of_platform.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 <mm/mmu_decl.h>
26#include <asm/prom.h>
27#include <asm/udbg.h>
28#include <asm/mpic.h>
29
30#include <sysdev/fsl_soc.h>
31#include <sysdev/fsl_pci.h>
32
33void __init mpc8536_ds_pic_init(void)
34{
35 struct mpic *mpic;
36 struct resource r;
37 struct device_node *np;
38
39 np = of_find_node_by_type(NULL, "open-pic");
40 if (np == NULL) {
41 printk(KERN_ERR "Could not find open-pic node\n");
42 return;
43 }
44
45 if (of_address_to_resource(np, 0, &r)) {
46 printk(KERN_ERR "Failed to map mpic register space\n");
47 of_node_put(np);
48 return;
49 }
50
51 mpic = mpic_alloc(np, r.start,
52 MPIC_PRIMARY | MPIC_WANTS_RESET |
53 MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
54 0, 256, " OpenPIC ");
55 BUG_ON(mpic == NULL);
56 of_node_put(np);
57
58 mpic_init(mpic);
59}
60
61/*
62 * Setup the architecture
63 */
64static void __init mpc8536_ds_setup_arch(void)
65{
66#ifdef CONFIG_PCI
67 struct device_node *np;
68#endif
69
70 if (ppc_md.progress)
71 ppc_md.progress("mpc8536_ds_setup_arch()", 0);
72
73#ifdef CONFIG_PCI
74 for_each_node_by_type(np, "pci") {
75 if (of_device_is_compatible(np, "fsl,mpc8540-pci") ||
76 of_device_is_compatible(np, "fsl,mpc8548-pcie")) {
77 struct resource rsrc;
78 of_address_to_resource(np, 0, &rsrc);
79 if ((rsrc.start & 0xfffff) == 0x8000)
80 fsl_add_bridge(np, 1);
81 else
82 fsl_add_bridge(np, 0);
83 }
84 }
85
86#endif
87
88 printk("MPC8536 DS board from Freescale Semiconductor\n");
89}
90
91static struct of_device_id __initdata mpc8536_ds_ids[] = {
92 { .type = "soc", },
93 { .compatible = "soc", },
94 {},
95};
96
97static int __init mpc8536_ds_publish_devices(void)
98{
99 return of_platform_bus_probe(NULL, mpc8536_ds_ids, NULL);
100}
101machine_device_initcall(mpc8536_ds, mpc8536_ds_publish_devices);
102
103/*
104 * Called very early, device-tree isn't unflattened
105 */
106static int __init mpc8536_ds_probe(void)
107{
108 unsigned long root = of_get_flat_dt_root();
109
110 return of_flat_dt_is_compatible(root, "fsl,mpc8536ds");
111}
112
113define_machine(mpc8536_ds) {
114 .name = "MPC8536 DS",
115 .probe = mpc8536_ds_probe,
116 .setup_arch = mpc8536_ds_setup_arch,
117 .init_IRQ = mpc8536_ds_pic_init,
118#ifdef CONFIG_PCI
119 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
120#endif
121 .get_irq = mpic_get_irq,
122 .restart = fsl_rstcr_restart,
123 .calibrate_decr = generic_calibrate_decr,
124 .progress = udbg_progress,
125};