2 * Copyright (C) Freescale Semicondutor, Inc. 2006-2007. All rights reserved.
4 * Author: Andy Fleming <afleming@freescale.com>
6 * Based on 83xx/mpc8360e_pb.c by:
7 * Li Yang <LeoLi@freescale.com>
8 * Yin Olivia <Hong-hua.Yin@freescale.com>
11 * MPC8568E MDS PB board specific routines.
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>
32 #include <linux/module.h>
33 #include <linux/fsl_devices.h>
35 #include <asm/of_device.h>
36 #include <asm/of_platform.h>
37 #include <asm/system.h>
38 #include <asm/atomic.h>
41 #include <asm/machdep.h>
42 #include <asm/bootinfo.h>
43 #include <asm/pci-bridge.h>
44 #include <asm/mpc85xx.h>
46 #include <mm/mmu_decl.h>
49 #include <sysdev/fsl_soc.h>
51 #include <asm/qe_ic.h>
58 #define DBG(fmt...) udbg_printf(fmt)
64 unsigned long isa_io_base = 0;
65 unsigned long isa_mem_base = 0;
68 /* ************************************************************************
70 * Setup the architecture
73 static void __init mpc8568_mds_setup_arch(void)
75 struct device_node *np;
76 static u8 *bcsr_regs = NULL;
80 ppc_md.progress("mpc8568_mds_setup_arch()", 0);
82 np = of_find_node_by_type(NULL, "cpu");
84 const unsigned int *fp =
85 get_property(np, "clock-frequency", NULL);
87 loops_per_jiffy = *fp / HZ;
89 loops_per_jiffy = 50000000 / HZ;
94 np = of_find_node_by_name(NULL, "bcsr");
98 of_address_to_resource(np, 0, &res);
99 bcsr_regs = ioremap(res.start, res.end - res.start +1);
104 for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) {
110 #ifdef CONFIG_QUICC_ENGINE
111 if ((np = of_find_node_by_name(NULL, "qe")) != NULL) {
116 if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) {
117 struct device_node *ucc = NULL;
122 for ( ;(ucc = of_find_node_by_name(ucc, "ucc")) != NULL;)
123 par_io_of_config(ucc);
131 /* Reset the Ethernet PHY */
132 bcsr_phy = in_be8(&bcsr_regs[9]);
134 out_be8(&bcsr_regs[9], bcsr_phy);
138 bcsr_phy = in_be8(&bcsr_regs[9]);
140 out_be8(&bcsr_regs[9], bcsr_phy);
145 #endif /* CONFIG_QUICC_ENGINE */
148 static struct of_device_id mpc8568_ids[] = {
150 { .compatible = "soc", },
155 static int __init mpc8568_publish_devices(void)
157 if (!machine_is(mpc8568_mds))
160 /* Publish the QE devices */
161 of_platform_bus_probe(NULL,mpc8568_ids,NULL);
165 device_initcall(mpc8568_publish_devices);
167 static void __init mpc8568_mds_pic_init(void)
171 struct device_node *np = NULL;
173 np = of_find_node_by_type(NULL, "open-pic");
177 if (of_address_to_resource(np, 0, &r)) {
178 printk(KERN_ERR "Failed to map mpic register space\n");
183 mpic = mpic_alloc(np, r.start,
184 MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
186 BUG_ON(mpic == NULL);
189 /* Internal Interrupts */
190 mpic_assign_isu(mpic, 0, r.start + 0x10200);
191 mpic_assign_isu(mpic, 1, r.start + 0x10280);
192 mpic_assign_isu(mpic, 2, r.start + 0x10300);
193 mpic_assign_isu(mpic, 3, r.start + 0x10380);
194 mpic_assign_isu(mpic, 4, r.start + 0x10400);
195 mpic_assign_isu(mpic, 5, r.start + 0x10480);
196 mpic_assign_isu(mpic, 6, r.start + 0x10500);
197 mpic_assign_isu(mpic, 7, r.start + 0x10580);
198 mpic_assign_isu(mpic, 8, r.start + 0x10600);
199 mpic_assign_isu(mpic, 9, r.start + 0x10680);
200 mpic_assign_isu(mpic, 10, r.start + 0x10700);
201 mpic_assign_isu(mpic, 11, r.start + 0x10780);
203 /* External Interrupts */
204 mpic_assign_isu(mpic, 12, r.start + 0x10000);
205 mpic_assign_isu(mpic, 13, r.start + 0x10080);
206 mpic_assign_isu(mpic, 14, r.start + 0x10100);
211 #ifdef CONFIG_QUICC_ENGINE
212 np = of_find_node_by_type(NULL, "qeic");
218 #endif /* CONFIG_QUICC_ENGINE */
222 static int __init mpc8568_mds_probe(void)
224 char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
228 if (strcmp(model, "MPC8568EMDS"))
231 DBG("MPC8568EMDS found\n");
237 define_machine(mpc8568_mds) {
238 .name = "MPC8568E MDS",
239 .probe = mpc8568_mds_probe,
240 .setup_arch = mpc8568_mds_setup_arch,
241 .init_IRQ = mpc8568_mds_pic_init,
242 .get_irq = mpic_get_irq,
243 .restart = mpc85xx_restart,
244 .calibrate_decr = generic_calibrate_decr,
245 .progress = udbg_progress,