Commit | Line | Data |
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38f66f90 KP |
1 | /* |
2 | * arch/powerpc/platforms/83xx/mpc837x_rdb.c | |
3 | * | |
4 | * Copyright (C) 2007 Freescale Semicondutor, Inc. All rights reserved. | |
5 | * | |
6 | * MPC837x RDB board specific routines | |
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/pci.h> | |
15 | #include <linux/of_platform.h> | |
16 | ||
17 | #include <asm/time.h> | |
18 | #include <asm/ipic.h> | |
19 | #include <asm/udbg.h> | |
89f37296 | 20 | #include <sysdev/fsl_soc.h> |
76fe1ffc | 21 | #include <sysdev/fsl_pci.h> |
38f66f90 KP |
22 | |
23 | #include "mpc83xx.h" | |
24 | ||
89f37296 AV |
25 | static void mpc837x_rdb_sd_cfg(void) |
26 | { | |
27 | void __iomem *im; | |
28 | ||
29 | im = ioremap(get_immrbase(), 0x1000); | |
30 | if (!im) { | |
31 | WARN_ON(1); | |
32 | return; | |
33 | } | |
34 | ||
35 | /* | |
36 | * On RDB boards (in contrast to MDS) USBB pins are used for SD only, | |
37 | * so we can safely mux them away from the USB block. | |
38 | */ | |
39 | clrsetbits_be32(im + MPC83XX_SICRL_OFFS, MPC837X_SICRL_USBB_MASK, | |
40 | MPC837X_SICRL_SD); | |
41 | clrsetbits_be32(im + MPC83XX_SICRH_OFFS, MPC837X_SICRH_SPI_MASK, | |
42 | MPC837X_SICRH_SD); | |
43 | iounmap(im); | |
44 | } | |
45 | ||
38f66f90 KP |
46 | /* ************************************************************************ |
47 | * | |
48 | * Setup the architecture | |
49 | * | |
50 | */ | |
51 | static void __init mpc837x_rdb_setup_arch(void) | |
52 | { | |
38f66f90 KP |
53 | if (ppc_md.progress) |
54 | ppc_md.progress("mpc837x_rdb_setup_arch()", 0); | |
55 | ||
bede480d | 56 | mpc83xx_setup_pci(); |
38f66f90 | 57 | mpc837x_usb_cfg(); |
89f37296 | 58 | mpc837x_rdb_sd_cfg(); |
38f66f90 KP |
59 | } |
60 | ||
7669d58c | 61 | machine_device_initcall(mpc837x_rdb, mpc83xx_declare_of_platform_devices); |
38f66f90 | 62 | |
a4f740cf GL |
63 | static const char *board[] __initdata = { |
64 | "fsl,mpc8377rdb", | |
65 | "fsl,mpc8378rdb", | |
66 | "fsl,mpc8379rdb", | |
67 | "fsl,mpc8377wlan", | |
68 | NULL | |
69 | }; | |
70 | ||
38f66f90 KP |
71 | /* |
72 | * Called very early, MMU is off, device-tree isn't unflattened | |
73 | */ | |
74 | static int __init mpc837x_rdb_probe(void) | |
75 | { | |
a4f740cf | 76 | return of_flat_dt_match(of_get_flat_dt_root(), board); |
38f66f90 KP |
77 | } |
78 | ||
79 | define_machine(mpc837x_rdb) { | |
fda4bd9b | 80 | .name = "MPC837x RDB/WLAN", |
38f66f90 KP |
81 | .probe = mpc837x_rdb_probe, |
82 | .setup_arch = mpc837x_rdb_setup_arch, | |
d4fb5ebd | 83 | .init_IRQ = mpc83xx_ipic_init_IRQ, |
38f66f90 KP |
84 | .get_irq = ipic_get_irq, |
85 | .restart = mpc83xx_restart, | |
86 | .time_init = mpc83xx_time_init, | |
87 | .calibrate_decr = generic_calibrate_decr, | |
88 | .progress = udbg_progress, | |
89 | }; |