powerpc/85xx: Move ePAPR paravirt initialization earlier
[deliverable/linux.git] / arch / powerpc / platforms / 85xx / mpc85xx_rdb.c
CommitLineData
fb8e3e1f
PA
1/*
2 * MPC85xx RDB Board Setup
3 *
7e6af144 4 * Copyright 2009,2012 Freescale Semiconductor Inc.
fb8e3e1f
PA
5 *
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.
10 */
11
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>
20
fb8e3e1f
PA
21#include <asm/time.h>
22#include <asm/machdep.h>
23#include <asm/pci-bridge.h>
24#include <mm/mmu_decl.h>
25#include <asm/prom.h>
26#include <asm/udbg.h>
27#include <asm/mpic.h>
04e358d8
ZF
28#include <asm/qe.h>
29#include <asm/qe_ic.h>
30#include <asm/fsl_guts.h>
fb8e3e1f
PA
31
32#include <sysdev/fsl_soc.h>
33#include <sysdev/fsl_pci.h>
582d3e09 34#include "smp.h"
fb8e3e1f 35
543a07b1
DES
36#include "mpc85xx.h"
37
fb8e3e1f
PA
38#undef DEBUG
39
40#ifdef DEBUG
41#define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args)
42#else
43#define DBG(fmt, args...)
44#endif
45
46
47void __init mpc85xx_rdb_pic_init(void)
48{
49 struct mpic *mpic;
dc2e673d 50 unsigned long root = of_get_flat_dt_root();
fb8e3e1f 51
04e358d8
ZF
52#ifdef CONFIG_QUICC_ENGINE
53 struct device_node *np;
54#endif
55
a63e23b9 56 if (of_flat_dt_is_compatible(root, "fsl,MPC85XXRDB-CAMP")) {
e55d7f73 57 mpic = mpic_alloc(NULL, 0, MPIC_NO_RESET |
5019609f 58 MPIC_BIG_ENDIAN |
a63e23b9 59 MPIC_SINGLE_DEST_CPU,
dc2e673d
PA
60 0, 256, " OpenPIC ");
61 } else {
996983b7 62 mpic = mpic_alloc(NULL, 0,
5019609f 63 MPIC_BIG_ENDIAN |
fb8e3e1f
PA
64 MPIC_SINGLE_DEST_CPU,
65 0, 256, " OpenPIC ");
dc2e673d 66 }
fb8e3e1f
PA
67
68 BUG_ON(mpic == NULL);
fb8e3e1f 69 mpic_init(mpic);
04e358d8
ZF
70
71#ifdef CONFIG_QUICC_ENGINE
72 np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
73 if (np) {
74 qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
75 qe_ic_cascade_high_mpic);
76 of_node_put(np);
77
78 } else
79 pr_err("%s: Could not find qe-ic node\n", __func__);
80#endif
81
fb8e3e1f
PA
82}
83
84/*
85 * Setup the architecture
86 */
fb8e3e1f
PA
87static void __init mpc85xx_rdb_setup_arch(void)
88{
905e75c4 89#ifdef CONFIG_QUICC_ENGINE
fb8e3e1f
PA
90 struct device_node *np;
91#endif
92
93 if (ppc_md.progress)
94 ppc_md.progress("mpc85xx_rdb_setup_arch()", 0);
95
fb8e3e1f 96 mpc85xx_smp_init();
04e358d8 97
905e75c4
JH
98 fsl_pci_assign_primary();
99
04e358d8
ZF
100#ifdef CONFIG_QUICC_ENGINE
101 np = of_find_compatible_node(NULL, NULL, "fsl,qe");
102 if (!np) {
103 pr_err("%s: Could not find Quicc Engine node\n", __func__);
104 goto qe_fail;
105 }
106
107 qe_reset();
108 of_node_put(np);
109
110 np = of_find_node_by_name(NULL, "par_io");
111 if (np) {
112 struct device_node *ucc;
113
114 par_io_init(np);
115 of_node_put(np);
116
117 for_each_node_by_name(ucc, "ucc")
118 par_io_of_config(ucc);
119
120 }
121#if defined(CONFIG_UCC_GETH) || defined(CONFIG_SERIAL_QE)
122 if (machine_is(p1025_rdb)) {
123
9cb6abcb 124 struct ccsr_guts __iomem *guts;
04e358d8
ZF
125
126 np = of_find_node_by_name(NULL, "global-utilities");
127 if (np) {
128 guts = of_iomap(np, 0);
129 if (!guts) {
130
131 pr_err("mpc85xx-rdb: could not map global utilities register\n");
132
133 } else {
134 /* P1025 has pins muxed for QE and other functions. To
135 * enable QE UEC mode, we need to set bit QE0 for UCC1
136 * in Eth mode, QE0 and QE3 for UCC5 in Eth mode, QE9
137 * and QE12 for QE MII management singals in PMUXCR
138 * register.
139 */
140 setbits32(&guts->pmuxcr, MPC85xx_PMUXCR_QE(0) |
141 MPC85xx_PMUXCR_QE(3) |
142 MPC85xx_PMUXCR_QE(9) |
143 MPC85xx_PMUXCR_QE(12));
144 iounmap(guts);
145 }
146 of_node_put(np);
147 }
148
149 }
150#endif
151
152qe_fail:
153#endif /* CONFIG_QUICC_ENGINE */
154
fb8e3e1f
PA
155 printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n");
156}
157
905e75c4
JH
158machine_arch_initcall(p2020_rdb, mpc85xx_common_publish_devices);
159machine_arch_initcall(p2020_rdb_pc, mpc85xx_common_publish_devices);
160machine_arch_initcall(p1020_mbg_pc, mpc85xx_common_publish_devices);
161machine_arch_initcall(p1020_rdb, mpc85xx_common_publish_devices);
162machine_arch_initcall(p1020_rdb_pc, mpc85xx_common_publish_devices);
163machine_arch_initcall(p1020_utm_pc, mpc85xx_common_publish_devices);
164machine_arch_initcall(p1021_rdb_pc, mpc85xx_common_publish_devices);
165machine_arch_initcall(p1025_rdb, mpc85xx_common_publish_devices);
166machine_arch_initcall(p1024_rdb, mpc85xx_common_publish_devices);
fb8e3e1f
PA
167
168/*
169 * Called very early, device-tree isn't unflattened
170 */
171static int __init p2020_rdb_probe(void)
172{
173 unsigned long root = of_get_flat_dt_root();
174
175 if (of_flat_dt_is_compatible(root, "fsl,P2020RDB"))
176 return 1;
177 return 0;
178}
179
52dffd7f
PA
180static int __init p1020_rdb_probe(void)
181{
182 unsigned long root = of_get_flat_dt_root();
183
184 if (of_flat_dt_is_compatible(root, "fsl,P1020RDB"))
185 return 1;
186 return 0;
187}
188
7e6af144
ZF
189static int __init p1020_rdb_pc_probe(void)
190{
191 unsigned long root = of_get_flat_dt_root();
192
193 return of_flat_dt_is_compatible(root, "fsl,P1020RDB-PC");
194}
195
b73bdf48
XJ
196static int __init p1021_rdb_pc_probe(void)
197{
198 unsigned long root = of_get_flat_dt_root();
199
200 if (of_flat_dt_is_compatible(root, "fsl,P1021RDB-PC"))
201 return 1;
202 return 0;
203}
204
35ce1b5a
TY
205static int __init p2020_rdb_pc_probe(void)
206{
207 unsigned long root = of_get_flat_dt_root();
208
209 if (of_flat_dt_is_compatible(root, "fsl,P2020RDB-PC"))
210 return 1;
211 return 0;
212}
213
6886780a
ZF
214static int __init p1025_rdb_probe(void)
215{
216 unsigned long root = of_get_flat_dt_root();
217
218 return of_flat_dt_is_compatible(root, "fsl,P1025RDB");
219}
220
d1fb1060
JH
221static int __init p1020_mbg_pc_probe(void)
222{
223 unsigned long root = of_get_flat_dt_root();
224
225 return of_flat_dt_is_compatible(root, "fsl,P1020MBG-PC");
226}
227
1a244b83
JH
228static int __init p1020_utm_pc_probe(void)
229{
230 unsigned long root = of_get_flat_dt_root();
231
232 return of_flat_dt_is_compatible(root, "fsl,P1020UTM-PC");
233}
234
063e94bb
TY
235static int __init p1024_rdb_probe(void)
236{
237 unsigned long root = of_get_flat_dt_root();
238
239 return of_flat_dt_is_compatible(root, "fsl,P1024RDB");
240}
241
fb8e3e1f
PA
242define_machine(p2020_rdb) {
243 .name = "P2020 RDB",
244 .probe = p2020_rdb_probe,
245 .setup_arch = mpc85xx_rdb_setup_arch,
246 .init_IRQ = mpc85xx_rdb_pic_init,
247#ifdef CONFIG_PCI
248 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
249#endif
250 .get_irq = mpic_get_irq,
251 .restart = fsl_rstcr_restart,
252 .calibrate_decr = generic_calibrate_decr,
253 .progress = udbg_progress,
254};
52dffd7f
PA
255
256define_machine(p1020_rdb) {
257 .name = "P1020 RDB",
258 .probe = p1020_rdb_probe,
259 .setup_arch = mpc85xx_rdb_setup_arch,
260 .init_IRQ = mpc85xx_rdb_pic_init,
261#ifdef CONFIG_PCI
262 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
263#endif
264 .get_irq = mpic_get_irq,
265 .restart = fsl_rstcr_restart,
266 .calibrate_decr = generic_calibrate_decr,
267 .progress = udbg_progress,
268};
b73bdf48
XJ
269
270define_machine(p1021_rdb_pc) {
271 .name = "P1021 RDB-PC",
272 .probe = p1021_rdb_pc_probe,
273 .setup_arch = mpc85xx_rdb_setup_arch,
274 .init_IRQ = mpc85xx_rdb_pic_init,
275#ifdef CONFIG_PCI
276 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
277#endif
278 .get_irq = mpic_get_irq,
279 .restart = fsl_rstcr_restart,
280 .calibrate_decr = generic_calibrate_decr,
281 .progress = udbg_progress,
282};
35ce1b5a
TY
283
284define_machine(p2020_rdb_pc) {
285 .name = "P2020RDB-PC",
286 .probe = p2020_rdb_pc_probe,
287 .setup_arch = mpc85xx_rdb_setup_arch,
288 .init_IRQ = mpc85xx_rdb_pic_init,
289#ifdef CONFIG_PCI
290 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
291#endif
292 .get_irq = mpic_get_irq,
293 .restart = fsl_rstcr_restart,
294 .calibrate_decr = generic_calibrate_decr,
295 .progress = udbg_progress,
296};
6886780a
ZF
297
298define_machine(p1025_rdb) {
299 .name = "P1025 RDB",
300 .probe = p1025_rdb_probe,
301 .setup_arch = mpc85xx_rdb_setup_arch,
302 .init_IRQ = mpc85xx_rdb_pic_init,
303#ifdef CONFIG_PCI
304 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
305#endif
306 .get_irq = mpic_get_irq,
307 .restart = fsl_rstcr_restart,
308 .calibrate_decr = generic_calibrate_decr,
309 .progress = udbg_progress,
310};
d1fb1060
JH
311
312define_machine(p1020_mbg_pc) {
313 .name = "P1020 MBG-PC",
314 .probe = p1020_mbg_pc_probe,
315 .setup_arch = mpc85xx_rdb_setup_arch,
316 .init_IRQ = mpc85xx_rdb_pic_init,
317#ifdef CONFIG_PCI
318 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
319#endif
320 .get_irq = mpic_get_irq,
321 .restart = fsl_rstcr_restart,
322 .calibrate_decr = generic_calibrate_decr,
323 .progress = udbg_progress,
324};
1a244b83
JH
325
326define_machine(p1020_utm_pc) {
327 .name = "P1020 UTM-PC",
328 .probe = p1020_utm_pc_probe,
329 .setup_arch = mpc85xx_rdb_setup_arch,
330 .init_IRQ = mpc85xx_rdb_pic_init,
331#ifdef CONFIG_PCI
332 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
333#endif
334 .get_irq = mpic_get_irq,
335 .restart = fsl_rstcr_restart,
336 .calibrate_decr = generic_calibrate_decr,
337 .progress = udbg_progress,
338};
7e6af144
ZF
339
340define_machine(p1020_rdb_pc) {
341 .name = "P1020RDB-PC",
342 .probe = p1020_rdb_pc_probe,
343 .setup_arch = mpc85xx_rdb_setup_arch,
344 .init_IRQ = mpc85xx_rdb_pic_init,
345#ifdef CONFIG_PCI
346 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
347#endif
348 .get_irq = mpic_get_irq,
349 .restart = fsl_rstcr_restart,
350 .calibrate_decr = generic_calibrate_decr,
351 .progress = udbg_progress,
352};
063e94bb
TY
353
354define_machine(p1024_rdb) {
355 .name = "P1024 RDB",
356 .probe = p1024_rdb_probe,
357 .setup_arch = mpc85xx_rdb_setup_arch,
358 .init_IRQ = mpc85xx_rdb_pic_init,
359#ifdef CONFIG_PCI
360 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
361#endif
362 .get_irq = mpic_get_irq,
363 .restart = fsl_rstcr_restart,
364 .calibrate_decr = generic_calibrate_decr,
365 .progress = udbg_progress,
366};
This page took 0.235653 seconds and 5 git commands to generate.