2 * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved.
4 * Author: Li Yang <LeoLi@freescale.com>
5 * Yin Olivia <Hong-hua.Yin@freescale.com>
8 * MPC8360E MDS board specific routines.
11 * Jun 21, 2006 Initial version
13 * This program is free software; you can redistribute it and/or modify it
14 * under the terms of the GNU General Public License as published by the
15 * Free Software Foundation; either version 2 of the License, or (at your
16 * option) any later version.
19 #include <linux/stddef.h>
20 #include <linux/kernel.h>
21 #include <linux/init.h>
22 #include <linux/errno.h>
23 #include <linux/reboot.h>
24 #include <linux/pci.h>
25 #include <linux/kdev_t.h>
26 #include <linux/major.h>
27 #include <linux/console.h>
28 #include <linux/delay.h>
29 #include <linux/seq_file.h>
30 #include <linux/root_dev.h>
31 #include <linux/initrd.h>
33 #include <asm/of_device.h>
34 #include <asm/of_platform.h>
35 #include <asm/system.h>
36 #include <asm/atomic.h>
39 #include <asm/machdep.h>
41 #include <asm/bootinfo.h>
45 #include <sysdev/fsl_soc.h>
47 #include <asm/qe_ic.h>
53 #define DBG(fmt...) udbg_printf(fmt)
59 unsigned long isa_io_base = 0;
60 unsigned long isa_mem_base = 0;
63 static u8 *bcsr_regs = NULL;
65 /* ************************************************************************
67 * Setup the architecture
70 static void __init mpc836x_mds_setup_arch(void)
72 struct device_node *np;
75 ppc_md.progress("mpc836x_mds_setup_arch()", 0);
78 np = of_find_node_by_name(NULL, "bcsr");
82 of_address_to_resource(np, 0, &res);
83 bcsr_regs = ioremap(res.start, res.end - res.start +1);
88 for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
90 ppc_md.pci_exclude_device = mpc83xx_exclude_device;
93 #ifdef CONFIG_QUICC_ENGINE
96 if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) {
100 for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;)
101 par_io_of_config(np);
104 if ((np = of_find_compatible_node(NULL, "network", "ucc_geth"))
106 /* Reset the Ethernet PHY */
107 bcsr_regs[9] &= ~0x20;
109 bcsr_regs[9] |= 0x20;
114 #endif /* CONFIG_QUICC_ENGINE */
117 static struct of_device_id mpc836x_ids[] = {
119 { .compatible = "soc", },
124 static int __init mpc836x_declare_of_platform_devices(void)
126 if (!machine_is(mpc836x_mds))
129 /* Publish the QE devices */
130 of_platform_bus_probe(NULL, mpc836x_ids, NULL);
134 device_initcall(mpc836x_declare_of_platform_devices);
136 static void __init mpc836x_mds_init_IRQ(void)
138 struct device_node *np;
140 np = of_find_node_by_type(NULL, "ipic");
146 /* Initialize the default interrupt mapping priorities,
147 * in case the boot rom changed something on us.
149 ipic_set_default_priority();
152 #ifdef CONFIG_QUICC_ENGINE
153 np = of_find_node_by_type(NULL, "qeic");
159 #endif /* CONFIG_QUICC_ENGINE */
162 #if defined(CONFIG_I2C_MPC) && defined(CONFIG_SENSORS_DS1374)
163 extern ulong ds1374_get_rtc_time(void);
164 extern int ds1374_set_rtc_time(ulong);
166 static int __init mpc8360_rtc_hookup(void)
170 if (!machine_is(mpc836x_mds))
173 ppc_md.get_rtc_time = ds1374_get_rtc_time;
174 ppc_md.set_rtc_time = ds1374_set_rtc_time;
177 tv.tv_sec = (ppc_md.get_rtc_time) ();
178 do_settimeofday(&tv);
183 late_initcall(mpc8360_rtc_hookup);
187 * Called very early, MMU is off, device-tree isn't unflattened
189 static int __init mpc836x_mds_probe(void)
191 unsigned long root = of_get_flat_dt_root();
193 return of_flat_dt_is_compatible(root, "MPC836xMDS");
196 define_machine(mpc836x_mds) {
197 .name = "MPC836x MDS",
198 .probe = mpc836x_mds_probe,
199 .setup_arch = mpc836x_mds_setup_arch,
200 .init_IRQ = mpc836x_mds_init_IRQ,
201 .get_irq = ipic_get_irq,
202 .restart = mpc83xx_restart,
203 .time_init = mpc83xx_time_init,
204 .calibrate_decr = generic_calibrate_decr,
205 .progress = udbg_progress,