diff options
author | Michael Barkowski <michael.barkowski@freescale.com> | 2007-03-19 10:15:28 -0400 |
---|---|---|
committer | Kumar Gala <galak@kernel.crashing.org> | 2007-03-29 15:54:39 -0400 |
commit | 23308c54d559a210019a576c5741cfb762af69d6 (patch) | |
tree | 1f72655a46689747eccb3f9ca7f4e526ce6e9b69 /arch/powerpc/platforms/83xx/mpc832x_rdb.c | |
parent | 1a4d9399a921c287eb175d29f288d1d92d02b302 (diff) |
[POWERPC] 83xx: Add MPC832x RDB board support.
Add support for the MPC8323E Reference Development Board (RDB). The board
is a mini-ITX reference board with 64M DDR2, 16M flash, USB, PCI,
10/100 ethernet, serial, and phone ports.
Signed-off-by: Michael Barkowski <michael.barkowski@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/83xx/mpc832x_rdb.c')
-rw-r--r-- | arch/powerpc/platforms/83xx/mpc832x_rdb.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c new file mode 100644 index 00000000000..6b71e9ffb11 --- /dev/null +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c | |||
@@ -0,0 +1,138 @@ | |||
1 | /* | ||
2 | * arch/powerpc/platforms/83xx/mpc832x_rdb.c | ||
3 | * | ||
4 | * Copyright (C) Freescale Semiconductor, Inc. 2007. All rights reserved. | ||
5 | * | ||
6 | * Description: | ||
7 | * MPC832x RDB board specific routines. | ||
8 | * This file is based on mpc832x_mds.c and mpc8313_rdb.c | ||
9 | * Author: Michael Barkowski <michael.barkowski@freescale.com> | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify it | ||
12 | * under the terms of the GNU General Public License as published by the | ||
13 | * Free Software Foundation; either version 2 of the License, or (at your | ||
14 | * option) any later version. | ||
15 | */ | ||
16 | |||
17 | #include <linux/pci.h> | ||
18 | |||
19 | #include <asm/of_platform.h> | ||
20 | #include <asm/time.h> | ||
21 | #include <asm/ipic.h> | ||
22 | #include <asm/udbg.h> | ||
23 | #include <asm/qe.h> | ||
24 | #include <asm/qe_ic.h> | ||
25 | |||
26 | #include "mpc83xx.h" | ||
27 | |||
28 | #undef DEBUG | ||
29 | #ifdef DEBUG | ||
30 | #define DBG(fmt...) udbg_printf(fmt) | ||
31 | #else | ||
32 | #define DBG(fmt...) | ||
33 | #endif | ||
34 | |||
35 | #ifndef CONFIG_PCI | ||
36 | unsigned long isa_io_base = 0; | ||
37 | unsigned long isa_mem_base = 0; | ||
38 | #endif | ||
39 | |||
40 | /* ************************************************************************ | ||
41 | * | ||
42 | * Setup the architecture | ||
43 | * | ||
44 | */ | ||
45 | static void __init mpc832x_rdb_setup_arch(void) | ||
46 | { | ||
47 | struct device_node *np; | ||
48 | |||
49 | if (ppc_md.progress) | ||
50 | ppc_md.progress("mpc832x_rdb_setup_arch()", 0); | ||
51 | |||
52 | #ifdef CONFIG_PCI | ||
53 | for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) | ||
54 | add_bridge(np); | ||
55 | |||
56 | ppc_md.pci_exclude_device = mpc83xx_exclude_device; | ||
57 | #endif | ||
58 | |||
59 | #ifdef CONFIG_QUICC_ENGINE | ||
60 | qe_reset(); | ||
61 | |||
62 | if ((np = of_find_node_by_name(np, "par_io")) != NULL) { | ||
63 | par_io_init(np); | ||
64 | of_node_put(np); | ||
65 | |||
66 | for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;) | ||
67 | par_io_of_config(np); | ||
68 | } | ||
69 | #endif /* CONFIG_QUICC_ENGINE */ | ||
70 | } | ||
71 | |||
72 | static struct of_device_id mpc832x_ids[] = { | ||
73 | { .type = "soc", }, | ||
74 | { .compatible = "soc", }, | ||
75 | { .type = "qe", }, | ||
76 | {}, | ||
77 | }; | ||
78 | |||
79 | static int __init mpc832x_declare_of_platform_devices(void) | ||
80 | { | ||
81 | if (!machine_is(mpc832x_rdb)) | ||
82 | return 0; | ||
83 | |||
84 | /* Publish the QE devices */ | ||
85 | of_platform_bus_probe(NULL, mpc832x_ids, NULL); | ||
86 | |||
87 | return 0; | ||
88 | } | ||
89 | device_initcall(mpc832x_declare_of_platform_devices); | ||
90 | |||
91 | void __init mpc832x_rdb_init_IRQ(void) | ||
92 | { | ||
93 | |||
94 | struct device_node *np; | ||
95 | |||
96 | np = of_find_node_by_type(NULL, "ipic"); | ||
97 | if (!np) | ||
98 | return; | ||
99 | |||
100 | ipic_init(np, 0); | ||
101 | |||
102 | /* Initialize the default interrupt mapping priorities, | ||
103 | * in case the boot rom changed something on us. | ||
104 | */ | ||
105 | ipic_set_default_priority(); | ||
106 | of_node_put(np); | ||
107 | |||
108 | #ifdef CONFIG_QUICC_ENGINE | ||
109 | np = of_find_node_by_type(NULL, "qeic"); | ||
110 | if (!np) | ||
111 | return; | ||
112 | |||
113 | qe_ic_init(np, 0); | ||
114 | of_node_put(np); | ||
115 | #endif /* CONFIG_QUICC_ENGINE */ | ||
116 | } | ||
117 | |||
118 | /* | ||
119 | * Called very early, MMU is off, device-tree isn't unflattened | ||
120 | */ | ||
121 | static int __init mpc832x_rdb_probe(void) | ||
122 | { | ||
123 | unsigned long root = of_get_flat_dt_root(); | ||
124 | |||
125 | return of_flat_dt_is_compatible(root, "MPC832xRDB"); | ||
126 | } | ||
127 | |||
128 | define_machine(mpc832x_rdb) { | ||
129 | .name = "MPC832x RDB", | ||
130 | .probe = mpc832x_rdb_probe, | ||
131 | .setup_arch = mpc832x_rdb_setup_arch, | ||
132 | .init_IRQ = mpc832x_rdb_init_IRQ, | ||
133 | .get_irq = ipic_get_irq, | ||
134 | .restart = mpc83xx_restart, | ||
135 | .time_init = mpc83xx_time_init, | ||
136 | .calibrate_decr = generic_calibrate_decr, | ||
137 | .progress = udbg_progress, | ||
138 | }; | ||