2 * MPC85xx RDB Board Setup
4 * Copyright 2009,2012 Freescale Semiconductor Inc.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
12 #include <linux/stddef.h>
13 #include <linux/kernel.h>
14 #include <linux/pci.h>
15 #include <linux/kdev_t.h>
16 #include <linux/delay.h>
17 #include <linux/seq_file.h>
18 #include <linux/interrupt.h>
19 #include <linux/of_platform.h>
22 #include <asm/machdep.h>
23 #include <asm/pci-bridge.h>
24 #include <mm/mmu_decl.h>
29 #include <asm/qe_ic.h>
30 #include <asm/fsl_guts.h>
32 #include <sysdev/fsl_soc.h>
33 #include <sysdev/fsl_pci.h>
41 #define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args)
43 #define DBG(fmt, args...)
47 void __init
mpc85xx_rdb_pic_init(void)
50 unsigned long root
= of_get_flat_dt_root();
52 #ifdef CONFIG_QUICC_ENGINE
53 struct device_node
*np
;
56 if (of_flat_dt_is_compatible(root
, "fsl,MPC85XXRDB-CAMP")) {
57 mpic
= mpic_alloc(NULL
, 0, MPIC_NO_RESET
|
62 mpic
= mpic_alloc(NULL
, 0,
71 #ifdef CONFIG_QUICC_ENGINE
72 np
= of_find_compatible_node(NULL
, NULL
, "fsl,qe-ic");
74 qe_ic_init(np
, 0, qe_ic_cascade_low_mpic
,
75 qe_ic_cascade_high_mpic
);
79 pr_err("%s: Could not find qe-ic node\n", __func__
);
85 * Setup the architecture
87 static void __init
mpc85xx_rdb_setup_arch(void)
89 #if defined(CONFIG_PCI) || defined(CONFIG_QUICC_ENGINE)
90 struct device_node
*np
;
94 ppc_md
.progress("mpc85xx_rdb_setup_arch()", 0);
97 for_each_node_by_type(np
, "pci") {
98 if (of_device_is_compatible(np
, "fsl,mpc8548-pcie"))
99 fsl_add_bridge(np
, 0);
106 #ifdef CONFIG_QUICC_ENGINE
107 np
= of_find_compatible_node(NULL
, NULL
, "fsl,qe");
109 pr_err("%s: Could not find Quicc Engine node\n", __func__
);
116 np
= of_find_node_by_name(NULL
, "par_io");
118 struct device_node
*ucc
;
123 for_each_node_by_name(ucc
, "ucc")
124 par_io_of_config(ucc
);
127 #if defined(CONFIG_UCC_GETH) || defined(CONFIG_SERIAL_QE)
128 if (machine_is(p1025_rdb
)) {
130 struct ccsr_guts_85xx __iomem
*guts
;
132 np
= of_find_node_by_name(NULL
, "global-utilities");
134 guts
= of_iomap(np
, 0);
137 pr_err("mpc85xx-rdb: could not map global utilities register\n");
140 /* P1025 has pins muxed for QE and other functions. To
141 * enable QE UEC mode, we need to set bit QE0 for UCC1
142 * in Eth mode, QE0 and QE3 for UCC5 in Eth mode, QE9
143 * and QE12 for QE MII management singals in PMUXCR
146 setbits32(&guts
->pmuxcr
, MPC85xx_PMUXCR_QE(0) |
147 MPC85xx_PMUXCR_QE(3) |
148 MPC85xx_PMUXCR_QE(9) |
149 MPC85xx_PMUXCR_QE(12));
159 #endif /* CONFIG_QUICC_ENGINE */
161 printk(KERN_INFO
"MPC85xx RDB board from Freescale Semiconductor\n");
164 machine_device_initcall(p2020_rdb
, mpc85xx_common_publish_devices
);
165 machine_device_initcall(p2020_rdb_pc
, mpc85xx_common_publish_devices
);
166 machine_device_initcall(p1020_mbg_pc
, mpc85xx_common_publish_devices
);
167 machine_device_initcall(p1020_rdb
, mpc85xx_common_publish_devices
);
168 machine_device_initcall(p1020_rdb_pc
, mpc85xx_common_publish_devices
);
169 machine_device_initcall(p1020_utm_pc
, mpc85xx_common_publish_devices
);
170 machine_device_initcall(p1021_rdb_pc
, mpc85xx_common_publish_devices
);
171 machine_device_initcall(p1025_rdb
, mpc85xx_common_publish_devices
);
174 * Called very early, device-tree isn't unflattened
176 static int __init
p2020_rdb_probe(void)
178 unsigned long root
= of_get_flat_dt_root();
180 if (of_flat_dt_is_compatible(root
, "fsl,P2020RDB"))
185 static int __init
p1020_rdb_probe(void)
187 unsigned long root
= of_get_flat_dt_root();
189 if (of_flat_dt_is_compatible(root
, "fsl,P1020RDB"))
194 static int __init
p1020_rdb_pc_probe(void)
196 unsigned long root
= of_get_flat_dt_root();
198 return of_flat_dt_is_compatible(root
, "fsl,P1020RDB-PC");
201 static int __init
p1021_rdb_pc_probe(void)
203 unsigned long root
= of_get_flat_dt_root();
205 if (of_flat_dt_is_compatible(root
, "fsl,P1021RDB-PC"))
210 static int __init
p2020_rdb_pc_probe(void)
212 unsigned long root
= of_get_flat_dt_root();
214 if (of_flat_dt_is_compatible(root
, "fsl,P2020RDB-PC"))
219 static int __init
p1025_rdb_probe(void)
221 unsigned long root
= of_get_flat_dt_root();
223 return of_flat_dt_is_compatible(root
, "fsl,P1025RDB");
226 static int __init
p1020_mbg_pc_probe(void)
228 unsigned long root
= of_get_flat_dt_root();
230 return of_flat_dt_is_compatible(root
, "fsl,P1020MBG-PC");
233 static int __init
p1020_utm_pc_probe(void)
235 unsigned long root
= of_get_flat_dt_root();
237 return of_flat_dt_is_compatible(root
, "fsl,P1020UTM-PC");
240 define_machine(p2020_rdb
) {
242 .probe
= p2020_rdb_probe
,
243 .setup_arch
= mpc85xx_rdb_setup_arch
,
244 .init_IRQ
= mpc85xx_rdb_pic_init
,
246 .pcibios_fixup_bus
= fsl_pcibios_fixup_bus
,
248 .get_irq
= mpic_get_irq
,
249 .restart
= fsl_rstcr_restart
,
250 .calibrate_decr
= generic_calibrate_decr
,
251 .progress
= udbg_progress
,
254 define_machine(p1020_rdb
) {
256 .probe
= p1020_rdb_probe
,
257 .setup_arch
= mpc85xx_rdb_setup_arch
,
258 .init_IRQ
= mpc85xx_rdb_pic_init
,
260 .pcibios_fixup_bus
= fsl_pcibios_fixup_bus
,
262 .get_irq
= mpic_get_irq
,
263 .restart
= fsl_rstcr_restart
,
264 .calibrate_decr
= generic_calibrate_decr
,
265 .progress
= udbg_progress
,
268 define_machine(p1021_rdb_pc
) {
269 .name
= "P1021 RDB-PC",
270 .probe
= p1021_rdb_pc_probe
,
271 .setup_arch
= mpc85xx_rdb_setup_arch
,
272 .init_IRQ
= mpc85xx_rdb_pic_init
,
274 .pcibios_fixup_bus
= fsl_pcibios_fixup_bus
,
276 .get_irq
= mpic_get_irq
,
277 .restart
= fsl_rstcr_restart
,
278 .calibrate_decr
= generic_calibrate_decr
,
279 .progress
= udbg_progress
,
282 define_machine(p2020_rdb_pc
) {
283 .name
= "P2020RDB-PC",
284 .probe
= p2020_rdb_pc_probe
,
285 .setup_arch
= mpc85xx_rdb_setup_arch
,
286 .init_IRQ
= mpc85xx_rdb_pic_init
,
288 .pcibios_fixup_bus
= fsl_pcibios_fixup_bus
,
290 .get_irq
= mpic_get_irq
,
291 .restart
= fsl_rstcr_restart
,
292 .calibrate_decr
= generic_calibrate_decr
,
293 .progress
= udbg_progress
,
296 define_machine(p1025_rdb
) {
298 .probe
= p1025_rdb_probe
,
299 .setup_arch
= mpc85xx_rdb_setup_arch
,
300 .init_IRQ
= mpc85xx_rdb_pic_init
,
302 .pcibios_fixup_bus
= fsl_pcibios_fixup_bus
,
304 .get_irq
= mpic_get_irq
,
305 .restart
= fsl_rstcr_restart
,
306 .calibrate_decr
= generic_calibrate_decr
,
307 .progress
= udbg_progress
,
310 define_machine(p1020_mbg_pc
) {
311 .name
= "P1020 MBG-PC",
312 .probe
= p1020_mbg_pc_probe
,
313 .setup_arch
= mpc85xx_rdb_setup_arch
,
314 .init_IRQ
= mpc85xx_rdb_pic_init
,
316 .pcibios_fixup_bus
= fsl_pcibios_fixup_bus
,
318 .get_irq
= mpic_get_irq
,
319 .restart
= fsl_rstcr_restart
,
320 .calibrate_decr
= generic_calibrate_decr
,
321 .progress
= udbg_progress
,
324 define_machine(p1020_utm_pc
) {
325 .name
= "P1020 UTM-PC",
326 .probe
= p1020_utm_pc_probe
,
327 .setup_arch
= mpc85xx_rdb_setup_arch
,
328 .init_IRQ
= mpc85xx_rdb_pic_init
,
330 .pcibios_fixup_bus
= fsl_pcibios_fixup_bus
,
332 .get_irq
= mpic_get_irq
,
333 .restart
= fsl_rstcr_restart
,
334 .calibrate_decr
= generic_calibrate_decr
,
335 .progress
= udbg_progress
,
338 define_machine(p1020_rdb_pc
) {
339 .name
= "P1020RDB-PC",
340 .probe
= p1020_rdb_pc_probe
,
341 .setup_arch
= mpc85xx_rdb_setup_arch
,
342 .init_IRQ
= mpc85xx_rdb_pic_init
,
344 .pcibios_fixup_bus
= fsl_pcibios_fixup_bus
,
346 .get_irq
= mpic_get_irq
,
347 .restart
= fsl_rstcr_restart
,
348 .calibrate_decr
= generic_calibrate_decr
,
349 .progress
= udbg_progress
,