diff options
Diffstat (limited to 'arch/powerpc/platforms/85xx/p2041_rdb.c')
-rw-r--r-- | arch/powerpc/platforms/85xx/p2041_rdb.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/85xx/p2041_rdb.c b/arch/powerpc/platforms/85xx/p2041_rdb.c new file mode 100644 index 000000000000..eda6ed5683e1 --- /dev/null +++ b/arch/powerpc/platforms/85xx/p2041_rdb.c | |||
@@ -0,0 +1,88 @@ | |||
1 | /* | ||
2 | * P2041 RDB Setup | ||
3 | * | ||
4 | * Copyright 2011 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/kernel.h> | ||
13 | #include <linux/pci.h> | ||
14 | #include <linux/kdev_t.h> | ||
15 | #include <linux/delay.h> | ||
16 | #include <linux/interrupt.h> | ||
17 | #include <linux/phy.h> | ||
18 | |||
19 | #include <asm/system.h> | ||
20 | #include <asm/time.h> | ||
21 | #include <asm/machdep.h> | ||
22 | #include <asm/pci-bridge.h> | ||
23 | #include <mm/mmu_decl.h> | ||
24 | #include <asm/prom.h> | ||
25 | #include <asm/udbg.h> | ||
26 | #include <asm/mpic.h> | ||
27 | |||
28 | #include <linux/of_platform.h> | ||
29 | #include <sysdev/fsl_soc.h> | ||
30 | #include <sysdev/fsl_pci.h> | ||
31 | #include <asm/ehv_pic.h> | ||
32 | |||
33 | #include "corenet_ds.h" | ||
34 | |||
35 | /* | ||
36 | * Called very early, device-tree isn't unflattened | ||
37 | */ | ||
38 | static int __init p2041_rdb_probe(void) | ||
39 | { | ||
40 | unsigned long root = of_get_flat_dt_root(); | ||
41 | #ifdef CONFIG_SMP | ||
42 | extern struct smp_ops_t smp_85xx_ops; | ||
43 | #endif | ||
44 | |||
45 | if (of_flat_dt_is_compatible(root, "fsl,P2041RDB")) | ||
46 | return 1; | ||
47 | |||
48 | /* Check if we're running under the Freescale hypervisor */ | ||
49 | if (of_flat_dt_is_compatible(root, "fsl,P2041RDB-hv")) { | ||
50 | ppc_md.init_IRQ = ehv_pic_init; | ||
51 | ppc_md.get_irq = ehv_pic_get_irq; | ||
52 | ppc_md.restart = fsl_hv_restart; | ||
53 | ppc_md.power_off = fsl_hv_halt; | ||
54 | ppc_md.halt = fsl_hv_halt; | ||
55 | #ifdef CONFIG_SMP | ||
56 | /* | ||
57 | * Disable the timebase sync operations because we can't write | ||
58 | * to the timebase registers under the hypervisor. | ||
59 | */ | ||
60 | smp_85xx_ops.give_timebase = NULL; | ||
61 | smp_85xx_ops.take_timebase = NULL; | ||
62 | #endif | ||
63 | return 1; | ||
64 | } | ||
65 | |||
66 | return 0; | ||
67 | } | ||
68 | |||
69 | define_machine(p2041_rdb) { | ||
70 | .name = "P2041 RDB", | ||
71 | .probe = p2041_rdb_probe, | ||
72 | .setup_arch = corenet_ds_setup_arch, | ||
73 | .init_IRQ = corenet_ds_pic_init, | ||
74 | #ifdef CONFIG_PCI | ||
75 | .pcibios_fixup_bus = fsl_pcibios_fixup_bus, | ||
76 | #endif | ||
77 | .get_irq = mpic_get_coreint_irq, | ||
78 | .restart = fsl_rstcr_restart, | ||
79 | .calibrate_decr = generic_calibrate_decr, | ||
80 | .progress = udbg_progress, | ||
81 | .power_save = e500_idle, | ||
82 | }; | ||
83 | |||
84 | machine_device_initcall(p2041_rdb, corenet_ds_publish_devices); | ||
85 | |||
86 | #ifdef CONFIG_SWIOTLB | ||
87 | machine_arch_initcall(p2041_rdb, swiotlb_setup_bus_notifier); | ||
88 | #endif | ||