Kim Phillips | 0028016 | 2006-06-30 18:41:20 -0500 | [diff] [blame] | 1 | /* |
| 2 | * arch/powerpc/platforms/83xx/mpc834x_itx.c |
| 3 | * |
| 4 | * MPC834x ITX board specific routines |
| 5 | * |
| 6 | * Maintainer: Kumar Gala <galak@kernel.crashing.org> |
| 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 | |
Kim Phillips | 0028016 | 2006-06-30 18:41:20 -0500 | [diff] [blame] | 14 | #include <linux/stddef.h> |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/errno.h> |
| 18 | #include <linux/reboot.h> |
| 19 | #include <linux/pci.h> |
| 20 | #include <linux/kdev_t.h> |
| 21 | #include <linux/major.h> |
| 22 | #include <linux/console.h> |
| 23 | #include <linux/delay.h> |
| 24 | #include <linux/seq_file.h> |
| 25 | #include <linux/root_dev.h> |
Anton Vorontsov | 9b6d19d | 2007-12-04 22:45:31 +0300 | [diff] [blame] | 26 | #include <linux/of_platform.h> |
Kim Phillips | 0028016 | 2006-06-30 18:41:20 -0500 | [diff] [blame] | 27 | |
| 28 | #include <asm/system.h> |
Arun Sharma | 6006349 | 2011-07-26 16:09:06 -0700 | [diff] [blame] | 29 | #include <linux/atomic.h> |
Kim Phillips | 0028016 | 2006-06-30 18:41:20 -0500 | [diff] [blame] | 30 | #include <asm/time.h> |
| 31 | #include <asm/io.h> |
| 32 | #include <asm/machdep.h> |
| 33 | #include <asm/ipic.h> |
Kim Phillips | 0028016 | 2006-06-30 18:41:20 -0500 | [diff] [blame] | 34 | #include <asm/irq.h> |
| 35 | #include <asm/prom.h> |
| 36 | #include <asm/udbg.h> |
| 37 | #include <sysdev/fsl_soc.h> |
John Rigby | 76fe1ff | 2008-06-26 11:07:57 -0600 | [diff] [blame] | 38 | #include <sysdev/fsl_pci.h> |
Kim Phillips | 0028016 | 2006-06-30 18:41:20 -0500 | [diff] [blame] | 39 | |
| 40 | #include "mpc83xx.h" |
| 41 | |
Anton Vorontsov | 9b6d19d | 2007-12-04 22:45:31 +0300 | [diff] [blame] | 42 | static struct of_device_id __initdata mpc834x_itx_ids[] = { |
| 43 | { .compatible = "fsl,pq2pro-localbus", }, |
| 44 | {}, |
| 45 | }; |
| 46 | |
| 47 | static int __init mpc834x_itx_declare_of_platform_devices(void) |
| 48 | { |
Dmitry Eremin-Solenikov | 7669d58 | 2011-11-17 18:48:47 +0400 | [diff] [blame] | 49 | mpc83xx_declare_of_platform_devices(); |
Anton Vorontsov | 9b6d19d | 2007-12-04 22:45:31 +0300 | [diff] [blame] | 50 | return of_platform_bus_probe(NULL, mpc834x_itx_ids, NULL); |
| 51 | } |
| 52 | machine_device_initcall(mpc834x_itx, mpc834x_itx_declare_of_platform_devices); |
| 53 | |
Kim Phillips | 0028016 | 2006-06-30 18:41:20 -0500 | [diff] [blame] | 54 | /* ************************************************************************ |
| 55 | * |
| 56 | * Setup the architecture |
| 57 | * |
| 58 | */ |
| 59 | static void __init mpc834x_itx_setup_arch(void) |
| 60 | { |
Kim Phillips | 0028016 | 2006-06-30 18:41:20 -0500 | [diff] [blame] | 61 | if (ppc_md.progress) |
| 62 | ppc_md.progress("mpc834x_itx_setup_arch()", 0); |
| 63 | |
Dmitry Eremin-Solenikov | bede480 | 2011-11-17 18:48:48 +0400 | [diff] [blame] | 64 | mpc83xx_setup_pci(); |
Grant Likely | c03ac58 | 2007-07-06 16:29:09 -0600 | [diff] [blame] | 65 | |
| 66 | mpc834x_usb_cfg(); |
Kim Phillips | 0028016 | 2006-06-30 18:41:20 -0500 | [diff] [blame] | 67 | } |
| 68 | |
Kim Phillips | 0028016 | 2006-06-30 18:41:20 -0500 | [diff] [blame] | 69 | /* |
| 70 | * Called very early, MMU is off, device-tree isn't unflattened |
| 71 | */ |
| 72 | static int __init mpc834x_itx_probe(void) |
| 73 | { |
Kumar Gala | 336c3c2 | 2007-02-17 09:10:44 -0600 | [diff] [blame] | 74 | unsigned long root = of_get_flat_dt_root(); |
| 75 | |
| 76 | return of_flat_dt_is_compatible(root, "MPC834xMITX"); |
Kim Phillips | 0028016 | 2006-06-30 18:41:20 -0500 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | define_machine(mpc834x_itx) { |
| 80 | .name = "MPC834x ITX", |
| 81 | .probe = mpc834x_itx_probe, |
| 82 | .setup_arch = mpc834x_itx_setup_arch, |
Dmitry Eremin-Solenikov | d4fb5eb | 2011-07-22 23:55:42 +0400 | [diff] [blame] | 83 | .init_IRQ = mpc83xx_ipic_init_IRQ, |
Kim Phillips | 0028016 | 2006-06-30 18:41:20 -0500 | [diff] [blame] | 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, |
Kim Phillips | 0028016 | 2006-06-30 18:41:20 -0500 | [diff] [blame] | 89 | }; |