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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
38f66f90 KP |
2 | /* |
3 | * arch/powerpc/platforms/83xx/mpc837x_rdb.c | |
4 | * | |
8a56e1ee | 5 | * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved. |
38f66f90 KP |
6 | * |
7 | * MPC837x RDB board specific routines | |
38f66f90 KP |
8 | */ |
9 | ||
10 | #include <linux/pci.h> | |
11 | #include <linux/of_platform.h> | |
12 | ||
13 | #include <asm/time.h> | |
14 | #include <asm/ipic.h> | |
15 | #include <asm/udbg.h> | |
89f37296 | 16 | #include <sysdev/fsl_soc.h> |
76fe1ffc | 17 | #include <sysdev/fsl_pci.h> |
38f66f90 KP |
18 | |
19 | #include "mpc83xx.h" | |
20 | ||
89f37296 AV |
21 | static void mpc837x_rdb_sd_cfg(void) |
22 | { | |
23 | void __iomem *im; | |
24 | ||
25 | im = ioremap(get_immrbase(), 0x1000); | |
26 | if (!im) { | |
27 | WARN_ON(1); | |
28 | return; | |
29 | } | |
30 | ||
31 | /* | |
32 | * On RDB boards (in contrast to MDS) USBB pins are used for SD only, | |
33 | * so we can safely mux them away from the USB block. | |
34 | */ | |
35 | clrsetbits_be32(im + MPC83XX_SICRL_OFFS, MPC837X_SICRL_USBB_MASK, | |
36 | MPC837X_SICRL_SD); | |
37 | clrsetbits_be32(im + MPC83XX_SICRH_OFFS, MPC837X_SICRH_SPI_MASK, | |
38 | MPC837X_SICRH_SD); | |
39 | iounmap(im); | |
40 | } | |
41 | ||
38f66f90 KP |
42 | /* ************************************************************************ |
43 | * | |
44 | * Setup the architecture | |
45 | * | |
46 | */ | |
47 | static void __init mpc837x_rdb_setup_arch(void) | |
48 | { | |
fff69fd0 | 49 | mpc83xx_setup_arch(); |
38f66f90 | 50 | mpc837x_usb_cfg(); |
89f37296 | 51 | mpc837x_rdb_sd_cfg(); |
38f66f90 KP |
52 | } |
53 | ||
7669d58c | 54 | machine_device_initcall(mpc837x_rdb, mpc83xx_declare_of_platform_devices); |
38f66f90 | 55 | |
9597abe0 | 56 | static const char * const board[] __initconst = { |
a4f740cf GL |
57 | "fsl,mpc8377rdb", |
58 | "fsl,mpc8378rdb", | |
59 | "fsl,mpc8379rdb", | |
60 | "fsl,mpc8377wlan", | |
61 | NULL | |
62 | }; | |
63 | ||
38f66f90 KP |
64 | /* |
65 | * Called very early, MMU is off, device-tree isn't unflattened | |
66 | */ | |
67 | static int __init mpc837x_rdb_probe(void) | |
68 | { | |
56571384 | 69 | return of_device_compatible_match(of_root, board); |
38f66f90 KP |
70 | } |
71 | ||
72 | define_machine(mpc837x_rdb) { | |
fda4bd9b | 73 | .name = "MPC837x RDB/WLAN", |
38f66f90 KP |
74 | .probe = mpc837x_rdb_probe, |
75 | .setup_arch = mpc837x_rdb_setup_arch, | |
d4fb5ebd | 76 | .init_IRQ = mpc83xx_ipic_init_IRQ, |
38f66f90 KP |
77 | .get_irq = ipic_get_irq, |
78 | .restart = mpc83xx_restart, | |
79 | .time_init = mpc83xx_time_init, | |
80 | .calibrate_decr = generic_calibrate_decr, | |
81 | .progress = udbg_progress, | |
82 | }; |