2 * Copyright 2006 Freescale Semiconductor, Inc. All rights reserved.
5 * MPC832xE MDS board specific routines.
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
13 #include <linux/stddef.h>
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/errno.h>
17 #include <linux/reboot.h>
18 #include <linux/pci.h>
19 #include <linux/kdev_t.h>
20 #include <linux/major.h>
21 #include <linux/console.h>
22 #include <linux/delay.h>
23 #include <linux/seq_file.h>
24 #include <linux/root_dev.h>
25 #include <linux/initrd.h>
26 #include <linux/of_platform.h>
27 #include <linux/of_device.h>
29 #include <linux/atomic.h>
32 #include <asm/machdep.h>
37 #include <sysdev/fsl_soc.h>
38 #include <sysdev/fsl_pci.h>
39 #include <soc/fsl/qe/qe.h>
40 #include <soc/fsl/qe/qe_ic.h>
46 #define DBG(fmt...) udbg_printf(fmt)
51 /* ************************************************************************
53 * Setup the architecture
56 static void __init mpc832x_sys_setup_arch(void)
58 struct device_node *np;
59 u8 __iomem *bcsr_regs = NULL;
64 np = of_find_node_by_name(NULL, "bcsr");
68 of_address_to_resource(np, 0, &res);
69 bcsr_regs = ioremap(res.start, resource_size(&res));
73 #ifdef CONFIG_QUICC_ENGINE
74 if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) {
78 for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;)
82 if ((np = of_find_compatible_node(NULL, "network", "ucc_geth"))
84 /* Reset the Ethernet PHYs */
85 #define BCSR8_FETH_RST 0x50
86 clrbits8(&bcsr_regs[8], BCSR8_FETH_RST);
88 setbits8(&bcsr_regs[8], BCSR8_FETH_RST);
92 #endif /* CONFIG_QUICC_ENGINE */
95 machine_device_initcall(mpc832x_mds, mpc83xx_declare_of_platform_devices);
98 * Called very early, MMU is off, device-tree isn't unflattened
100 static int __init mpc832x_sys_probe(void)
102 return of_machine_is_compatible("MPC832xMDS");
105 define_machine(mpc832x_mds) {
106 .name = "MPC832x MDS",
107 .probe = mpc832x_sys_probe,
108 .setup_arch = mpc832x_sys_setup_arch,
109 .init_IRQ = mpc83xx_ipic_and_qe_init_IRQ,
110 .get_irq = ipic_get_irq,
111 .restart = mpc83xx_restart,
112 .time_init = mpc83xx_time_init,
113 .calibrate_decr = generic_calibrate_decr,
114 .progress = udbg_progress,