projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 00280166 KP |
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 | ||
| 00280166 KP |
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> | |
| 9b6d19dd | 26 | #include <linux/of_platform.h> |
| 00280166 KP |
27 | |
| 28 | #include <asm/system.h> | |
| 29 | #include <asm/atomic.h> | |
| 30 | #include <asm/time.h> | |
| 31 | #include <asm/io.h> | |
| 32 | #include <asm/machdep.h> | |
| 33 | #include <asm/ipic.h> | |
| 00280166 KP |
34 | #include <asm/irq.h> |
| 35 | #include <asm/prom.h> | |
| 36 | #include <asm/udbg.h> | |
| 37 | #include <sysdev/fsl_soc.h> | |
| 76fe1ffc | 38 | #include <sysdev/fsl_pci.h> |
| 00280166 KP |
39 | |
| 40 | #include "mpc83xx.h" | |
| 41 | ||
| 9b6d19dd AV |
42 | static struct of_device_id __initdata mpc834x_itx_ids[] = { |
| 43 | { .compatible = "fsl,pq2pro-localbus", }, | |
| cf0d19fb | 44 | { .compatible = "simple-bus", }, |
| 9b6d19dd AV |
45 | {}, |
| 46 | }; | |
| 47 | ||
| 48 | static int __init mpc834x_itx_declare_of_platform_devices(void) | |
| 49 | { | |
| 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 | ||
| 00280166 KP |
54 | /* ************************************************************************ |
| 55 | * | |
| 56 | * Setup the architecture | |
| 57 | * | |
| 58 | */ | |
| 59 | static void __init mpc834x_itx_setup_arch(void) | |
| 60 | { | |
| b38d06d8 | 61 | #ifdef CONFIG_PCI |
| 00280166 | 62 | struct device_node *np; |
| b38d06d8 | 63 | #endif |
| 00280166 KP |
64 | |
| 65 | if (ppc_md.progress) | |
| 66 | ppc_md.progress("mpc834x_itx_setup_arch()", 0); | |
| 67 | ||
| 00280166 | 68 | #ifdef CONFIG_PCI |
| c9438aff | 69 | for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") |
| 09b55f76 | 70 | mpc83xx_add_bridge(np); |
| 00280166 | 71 | #endif |
| c03ac582 GL |
72 | |
| 73 | mpc834x_usb_cfg(); | |
| 00280166 KP |
74 | } |
| 75 | ||
| e60bd7f1 | 76 | static void __init mpc834x_itx_init_IRQ(void) |
| 00280166 | 77 | { |
| f1f17716 KP |
78 | struct device_node *np; |
| 79 | ||
| 80 | np = of_find_node_by_type(NULL, "ipic"); | |
| 81 | if (!np) | |
| 82 | return; | |
| 00280166 | 83 | |
| f1f17716 | 84 | ipic_init(np, 0); |
| 00280166 KP |
85 | |
| 86 | /* Initialize the default interrupt mapping priorities, | |
| 87 | * in case the boot rom changed something on us. | |
| 88 | */ | |
| 89 | ipic_set_default_priority(); | |
| 90 | } | |
| 91 | ||
| 92 | /* | |
| 93 | * Called very early, MMU is off, device-tree isn't unflattened | |
| 94 | */ | |
| 95 | static int __init mpc834x_itx_probe(void) | |
| 96 | { | |
| 336c3c2e KG |
97 | unsigned long root = of_get_flat_dt_root(); |
| 98 | ||
| 99 | return of_flat_dt_is_compatible(root, "MPC834xMITX"); | |
| 00280166 KP |
100 | } |
| 101 | ||
| 102 | define_machine(mpc834x_itx) { | |
| 103 | .name = "MPC834x ITX", | |
| 104 | .probe = mpc834x_itx_probe, | |
| 105 | .setup_arch = mpc834x_itx_setup_arch, | |
| 106 | .init_IRQ = mpc834x_itx_init_IRQ, | |
| 107 | .get_irq = ipic_get_irq, | |
| 108 | .restart = mpc83xx_restart, | |
| 109 | .time_init = mpc83xx_time_init, | |
| 110 | .calibrate_decr = generic_calibrate_decr, | |
| 111 | .progress = udbg_progress, | |
| 112 | }; |