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1/*
2 * linux/arch/arm/mach-omap2/io.c
3 *
4 * OMAP2 I/O mapping code
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 * Copyright (C) 2007-2009 Texas Instruments
8 *
9 * Author:
10 * Juha Yrjola <juha.yrjola@nokia.com>
11 * Syed Khasim <x0khasim@ti.com>
12 *
13 * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License version 2 as
17 * published by the Free Software Foundation.
18 */
19#include <linux/module.h>
20#include <linux/kernel.h>
21#include <linux/init.h>
22#include <linux/io.h>
23#include <linux/clk.h>
24
25#include <asm/tlb.h>
26#include <asm/mach/map.h>
27
28#include <plat/sram.h>
29#include <plat/sdrc.h>
30#include <plat/serial.h>
31#include <plat/omap-pm.h>
32#include <plat/omap_hwmod.h>
33#include <plat/multi.h>
34#include <plat/dma.h>
35
36#include "iomap.h"
37#include "voltage.h"
38#include "powerdomain.h"
39#include "clockdomain.h"
40#include "common.h"
41#include "clock2xxx.h"
42#include "clock3xxx.h"
43#include "clock44xx.h"
44
45/*
46 * The machine specific code may provide the extra mapping besides the
47 * default mapping provided here.
48 */
49
50#if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
51static struct map_desc omap24xx_io_desc[] __initdata = {
52 {
53 .virtual = L3_24XX_VIRT,
54 .pfn = __phys_to_pfn(L3_24XX_PHYS),
55 .length = L3_24XX_SIZE,
56 .type = MT_DEVICE
57 },
58 {
59 .virtual = L4_24XX_VIRT,
60 .pfn = __phys_to_pfn(L4_24XX_PHYS),
61 .length = L4_24XX_SIZE,
62 .type = MT_DEVICE
63 },
64};
65
66#ifdef CONFIG_SOC_OMAP2420
67static struct map_desc omap242x_io_desc[] __initdata = {
68 {
69 .virtual = DSP_MEM_2420_VIRT,
70 .pfn = __phys_to_pfn(DSP_MEM_2420_PHYS),
71 .length = DSP_MEM_2420_SIZE,
72 .type = MT_DEVICE
73 },
74 {
75 .virtual = DSP_IPI_2420_VIRT,
76 .pfn = __phys_to_pfn(DSP_IPI_2420_PHYS),
77 .length = DSP_IPI_2420_SIZE,
78 .type = MT_DEVICE
79 },
80 {
81 .virtual = DSP_MMU_2420_VIRT,
82 .pfn = __phys_to_pfn(DSP_MMU_2420_PHYS),
83 .length = DSP_MMU_2420_SIZE,
84 .type = MT_DEVICE
85 },
86};
87
88#endif
89
90#ifdef CONFIG_SOC_OMAP2430
91static struct map_desc omap243x_io_desc[] __initdata = {
92 {
93 .virtual = L4_WK_243X_VIRT,
94 .pfn = __phys_to_pfn(L4_WK_243X_PHYS),
95 .length = L4_WK_243X_SIZE,
96 .type = MT_DEVICE
97 },
98 {
99 .virtual = OMAP243X_GPMC_VIRT,
100 .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS),
101 .length = OMAP243X_GPMC_SIZE,
102 .type = MT_DEVICE
103 },
104 {
105 .virtual = OMAP243X_SDRC_VIRT,
106 .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS),
107 .length = OMAP243X_SDRC_SIZE,
108 .type = MT_DEVICE
109 },
110 {
111 .virtual = OMAP243X_SMS_VIRT,
112 .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS),
113 .length = OMAP243X_SMS_SIZE,
114 .type = MT_DEVICE
115 },
116};
117#endif
118#endif
119
120#ifdef CONFIG_ARCH_OMAP3
121static struct map_desc omap34xx_io_desc[] __initdata = {
122 {
123 .virtual = L3_34XX_VIRT,
124 .pfn = __phys_to_pfn(L3_34XX_PHYS),
125 .length = L3_34XX_SIZE,
126 .type = MT_DEVICE
127 },
128 {
129 .virtual = L4_34XX_VIRT,
130 .pfn = __phys_to_pfn(L4_34XX_PHYS),
131 .length = L4_34XX_SIZE,
132 .type = MT_DEVICE
133 },
134 {
135 .virtual = OMAP34XX_GPMC_VIRT,
136 .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS),
137 .length = OMAP34XX_GPMC_SIZE,
138 .type = MT_DEVICE
139 },
140 {
141 .virtual = OMAP343X_SMS_VIRT,
142 .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS),
143 .length = OMAP343X_SMS_SIZE,
144 .type = MT_DEVICE
145 },
146 {
147 .virtual = OMAP343X_SDRC_VIRT,
148 .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS),
149 .length = OMAP343X_SDRC_SIZE,
150 .type = MT_DEVICE
151 },
152 {
153 .virtual = L4_PER_34XX_VIRT,
154 .pfn = __phys_to_pfn(L4_PER_34XX_PHYS),
155 .length = L4_PER_34XX_SIZE,
156 .type = MT_DEVICE
157 },
158 {
159 .virtual = L4_EMU_34XX_VIRT,
160 .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS),
161 .length = L4_EMU_34XX_SIZE,
162 .type = MT_DEVICE
163 },
164#if defined(CONFIG_DEBUG_LL) && \
165 (defined(CONFIG_MACH_OMAP_ZOOM2) || defined(CONFIG_MACH_OMAP_ZOOM3))
166 {
167 .virtual = ZOOM_UART_VIRT,
168 .pfn = __phys_to_pfn(ZOOM_UART_BASE),
169 .length = SZ_1M,
170 .type = MT_DEVICE
171 },
172#endif
173};
174#endif
175
176#ifdef CONFIG_SOC_TI81XX
177static struct map_desc omapti81xx_io_desc[] __initdata = {
178 {
179 .virtual = L4_34XX_VIRT,
180 .pfn = __phys_to_pfn(L4_34XX_PHYS),
181 .length = L4_34XX_SIZE,
182 .type = MT_DEVICE
183 }
184};
185#endif
186
187#ifdef CONFIG_SOC_AM33XX
188static struct map_desc omapam33xx_io_desc[] __initdata = {
189 {
190 .virtual = L4_34XX_VIRT,
191 .pfn = __phys_to_pfn(L4_34XX_PHYS),
192 .length = L4_34XX_SIZE,
193 .type = MT_DEVICE
194 },
195 {
196 .virtual = L4_WK_AM33XX_VIRT,
197 .pfn = __phys_to_pfn(L4_WK_AM33XX_PHYS),
198 .length = L4_WK_AM33XX_SIZE,
199 .type = MT_DEVICE
200 }
201};
202#endif
203
204#ifdef CONFIG_ARCH_OMAP4
205static struct map_desc omap44xx_io_desc[] __initdata = {
206 {
207 .virtual = L3_44XX_VIRT,
208 .pfn = __phys_to_pfn(L3_44XX_PHYS),
209 .length = L3_44XX_SIZE,
210 .type = MT_DEVICE,
211 },
212 {
213 .virtual = L4_44XX_VIRT,
214 .pfn = __phys_to_pfn(L4_44XX_PHYS),
215 .length = L4_44XX_SIZE,
216 .type = MT_DEVICE,
217 },
218 {
219 .virtual = L4_PER_44XX_VIRT,
220 .pfn = __phys_to_pfn(L4_PER_44XX_PHYS),
221 .length = L4_PER_44XX_SIZE,
222 .type = MT_DEVICE,
223 },
224#ifdef CONFIG_OMAP4_ERRATA_I688
225 {
226 .virtual = OMAP4_SRAM_VA,
227 .pfn = __phys_to_pfn(OMAP4_SRAM_PA),
228 .length = PAGE_SIZE,
229 .type = MT_MEMORY_SO,
230 },
231#endif
232
233};
234#endif
235
236#ifdef CONFIG_SOC_OMAP2420
237void __init omap242x_map_common_io(void)
238{
239 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
240 iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
241}
242#endif
243
244#ifdef CONFIG_SOC_OMAP2430
245void __init omap243x_map_common_io(void)
246{
247 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
248 iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
249}
250#endif
251
252#ifdef CONFIG_ARCH_OMAP3
253void __init omap34xx_map_common_io(void)
254{
255 iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
256}
257#endif
258
259#ifdef CONFIG_SOC_TI81XX
260void __init omapti81xx_map_common_io(void)
261{
262 iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
263}
264#endif
265
266#ifdef CONFIG_SOC_AM33XX
267void __init omapam33xx_map_common_io(void)
268{
269 iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
270}
271#endif
272
273#ifdef CONFIG_ARCH_OMAP4
274void __init omap44xx_map_common_io(void)
275{
276 iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
277 omap_barriers_init();
278}
279#endif
280
281/*
282 * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
283 *
284 * Sets the CORE DPLL3 M2 divider to the same value that it's at
285 * currently. This has the effect of setting the SDRC SDRAM AC timing
286 * registers to the values currently defined by the kernel. Currently
287 * only defined for OMAP3; will return 0 if called on OMAP2. Returns
288 * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
289 * or passes along the return value of clk_set_rate().
290 */
291static int __init _omap2_init_reprogram_sdrc(void)
292{
293 struct clk *dpll3_m2_ck;
294 int v = -EINVAL;
295 long rate;
296
297 if (!cpu_is_omap34xx())
298 return 0;
299
300 dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
301 if (IS_ERR(dpll3_m2_ck))
302 return -EINVAL;
303
304 rate = clk_get_rate(dpll3_m2_ck);
305 pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
306 v = clk_set_rate(dpll3_m2_ck, rate);
307 if (v)
308 pr_err("dpll3_m2_clk rate change failed: %d\n", v);
309
310 clk_put(dpll3_m2_ck);
311
312 return v;
313}
314
315static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
316{
317 return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
318}
319
320static void __init omap_common_init_early(void)
321{
322 omap_init_consistent_dma_size();
323}
324
325static void __init omap_hwmod_init_postsetup(void)
326{
327 u8 postsetup_state;
328
329 /* Set the default postsetup state for all hwmods */
330#ifdef CONFIG_PM_RUNTIME
331 postsetup_state = _HWMOD_STATE_IDLE;
332#else
333 postsetup_state = _HWMOD_STATE_ENABLED;
334#endif
335 omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
336
337 omap_pm_if_early_init();
338}
339
340#ifdef CONFIG_SOC_OMAP2420
341void __init omap2420_init_early(void)
342{
343 omap2_set_globals_242x();
344 omap2xxx_check_revision();
345 omap_common_init_early();
346 omap2xxx_voltagedomains_init();
347 omap242x_powerdomains_init();
348 omap242x_clockdomains_init();
349 omap2420_hwmod_init();
350 omap_hwmod_init_postsetup();
351 omap2420_clk_init();
352}
353
354void __init omap2420_init_late(void)
355{
356 omap_mux_late_init();
357 omap2_common_pm_late_init();
358 omap2_pm_init();
359}
360#endif
361
362#ifdef CONFIG_SOC_OMAP2430
363void __init omap2430_init_early(void)
364{
365 omap2_set_globals_243x();
366 omap2xxx_check_revision();
367 omap_common_init_early();
368 omap2xxx_voltagedomains_init();
369 omap243x_powerdomains_init();
370 omap243x_clockdomains_init();
371 omap2430_hwmod_init();
372 omap_hwmod_init_postsetup();
373 omap2430_clk_init();
374}
375
376void __init omap2430_init_late(void)
377{
378 omap_mux_late_init();
379 omap2_common_pm_late_init();
380 omap2_pm_init();
381}
382#endif
383
384/*
385 * Currently only board-omap3beagle.c should call this because of the
386 * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
387 */
388#ifdef CONFIG_ARCH_OMAP3
389void __init omap3_init_early(void)
390{
391 omap2_set_globals_3xxx();
392 omap3xxx_check_revision();
393 omap3xxx_check_features();
394 omap_common_init_early();
395 omap3xxx_voltagedomains_init();
396 omap3xxx_powerdomains_init();
397 omap3xxx_clockdomains_init();
398 omap3xxx_hwmod_init();
399 omap_hwmod_init_postsetup();
400 omap3xxx_clk_init();
401}
402
403void __init omap3430_init_early(void)
404{
405 omap3_init_early();
406}
407
408void __init omap35xx_init_early(void)
409{
410 omap3_init_early();
411}
412
413void __init omap3630_init_early(void)
414{
415 omap3_init_early();
416}
417
418void __init am35xx_init_early(void)
419{
420 omap3_init_early();
421}
422
423void __init ti81xx_init_early(void)
424{
425 omap2_set_globals_ti81xx();
426 omap3xxx_check_revision();
427 ti81xx_check_features();
428 omap_common_init_early();
429 omap3xxx_voltagedomains_init();
430 omap3xxx_powerdomains_init();
431 omap3xxx_clockdomains_init();
432 omap3xxx_hwmod_init();
433 omap_hwmod_init_postsetup();
434 omap3xxx_clk_init();
435}
436
437void __init omap3_init_late(void)
438{
439 omap_mux_late_init();
440 omap2_common_pm_late_init();
441 omap3_pm_init();
442}
443
444void __init omap3430_init_late(void)
445{
446 omap_mux_late_init();
447 omap2_common_pm_late_init();
448 omap3_pm_init();
449}
450
451void __init omap35xx_init_late(void)
452{
453 omap_mux_late_init();
454 omap2_common_pm_late_init();
455 omap3_pm_init();
456}
457
458void __init omap3630_init_late(void)
459{
460 omap_mux_late_init();
461 omap2_common_pm_late_init();
462 omap3_pm_init();
463}
464
465void __init am35xx_init_late(void)
466{
467 omap_mux_late_init();
468 omap2_common_pm_late_init();
469 omap3_pm_init();
470}
471
472void __init ti81xx_init_late(void)
473{
474 omap_mux_late_init();
475 omap2_common_pm_late_init();
476 omap3_pm_init();
477}
478#endif
479
480#ifdef CONFIG_ARCH_OMAP4
481void __init omap4430_init_early(void)
482{
483 omap2_set_globals_443x();
484 omap4xxx_check_revision();
485 omap4xxx_check_features();
486 omap_common_init_early();
487 omap44xx_voltagedomains_init();
488 omap44xx_powerdomains_init();
489 omap44xx_clockdomains_init();
490 omap44xx_hwmod_init();
491 omap_hwmod_init_postsetup();
492 omap4xxx_clk_init();
493}
494
495void __init omap4430_init_late(void)
496{
497 omap_mux_late_init();
498 omap2_common_pm_late_init();
499 omap4_pm_init();
500}
501#endif
502
503void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
504 struct omap_sdrc_params *sdrc_cs1)
505{
506 omap_sram_init();
507
508 if (cpu_is_omap24xx() || omap3_has_sdrc()) {
509 omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
510 _omap2_init_reprogram_sdrc();
511 }
512}
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * linux/arch/arm/mach-omap2/io.c
4 *
5 * OMAP2 I/O mapping code
6 *
7 * Copyright (C) 2005 Nokia Corporation
8 * Copyright (C) 2007-2009 Texas Instruments
9 *
10 * Author:
11 * Juha Yrjola <juha.yrjola@nokia.com>
12 * Syed Khasim <x0khasim@ti.com>
13 *
14 * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
15 */
16#include <linux/module.h>
17#include <linux/kernel.h>
18#include <linux/init.h>
19#include <linux/io.h>
20#include <linux/clk.h>
21
22#include <asm/tlb.h>
23#include <asm/mach/map.h>
24
25#include <linux/omap-dma.h>
26
27#include "omap_hwmod.h"
28#include "soc.h"
29#include "iomap.h"
30#include "voltage.h"
31#include "powerdomain.h"
32#include "clockdomain.h"
33#include "common.h"
34#include "clock.h"
35#include "clock2xxx.h"
36#include "clock3xxx.h"
37#include "sdrc.h"
38#include "control.h"
39#include "serial.h"
40#include "sram.h"
41#include "cm2xxx.h"
42#include "cm3xxx.h"
43#include "cm33xx.h"
44#include "cm44xx.h"
45#include "prm.h"
46#include "cm.h"
47#include "prcm_mpu44xx.h"
48#include "prminst44xx.h"
49#include "prm2xxx.h"
50#include "prm3xxx.h"
51#include "prm33xx.h"
52#include "prm44xx.h"
53#include "opp2xxx.h"
54
55/*
56 * omap_clk_soc_init: points to a function that does the SoC-specific
57 * clock initializations
58 */
59static int (*omap_clk_soc_init)(void);
60
61/*
62 * The machine specific code may provide the extra mapping besides the
63 * default mapping provided here.
64 */
65
66#if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
67static struct map_desc omap24xx_io_desc[] __initdata = {
68 {
69 .virtual = L3_24XX_VIRT,
70 .pfn = __phys_to_pfn(L3_24XX_PHYS),
71 .length = L3_24XX_SIZE,
72 .type = MT_DEVICE
73 },
74 {
75 .virtual = L4_24XX_VIRT,
76 .pfn = __phys_to_pfn(L4_24XX_PHYS),
77 .length = L4_24XX_SIZE,
78 .type = MT_DEVICE
79 },
80};
81
82#ifdef CONFIG_SOC_OMAP2420
83static struct map_desc omap242x_io_desc[] __initdata = {
84 {
85 .virtual = DSP_MEM_2420_VIRT,
86 .pfn = __phys_to_pfn(DSP_MEM_2420_PHYS),
87 .length = DSP_MEM_2420_SIZE,
88 .type = MT_DEVICE
89 },
90 {
91 .virtual = DSP_IPI_2420_VIRT,
92 .pfn = __phys_to_pfn(DSP_IPI_2420_PHYS),
93 .length = DSP_IPI_2420_SIZE,
94 .type = MT_DEVICE
95 },
96 {
97 .virtual = DSP_MMU_2420_VIRT,
98 .pfn = __phys_to_pfn(DSP_MMU_2420_PHYS),
99 .length = DSP_MMU_2420_SIZE,
100 .type = MT_DEVICE
101 },
102};
103
104#endif
105
106#ifdef CONFIG_SOC_OMAP2430
107static struct map_desc omap243x_io_desc[] __initdata = {
108 {
109 .virtual = L4_WK_243X_VIRT,
110 .pfn = __phys_to_pfn(L4_WK_243X_PHYS),
111 .length = L4_WK_243X_SIZE,
112 .type = MT_DEVICE
113 },
114 {
115 .virtual = OMAP243X_GPMC_VIRT,
116 .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS),
117 .length = OMAP243X_GPMC_SIZE,
118 .type = MT_DEVICE
119 },
120 {
121 .virtual = OMAP243X_SDRC_VIRT,
122 .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS),
123 .length = OMAP243X_SDRC_SIZE,
124 .type = MT_DEVICE
125 },
126 {
127 .virtual = OMAP243X_SMS_VIRT,
128 .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS),
129 .length = OMAP243X_SMS_SIZE,
130 .type = MT_DEVICE
131 },
132};
133#endif
134#endif
135
136#ifdef CONFIG_ARCH_OMAP3
137static struct map_desc omap34xx_io_desc[] __initdata = {
138 {
139 .virtual = L3_34XX_VIRT,
140 .pfn = __phys_to_pfn(L3_34XX_PHYS),
141 .length = L3_34XX_SIZE,
142 .type = MT_DEVICE
143 },
144 {
145 .virtual = L4_34XX_VIRT,
146 .pfn = __phys_to_pfn(L4_34XX_PHYS),
147 .length = L4_34XX_SIZE,
148 .type = MT_DEVICE
149 },
150 {
151 .virtual = OMAP34XX_GPMC_VIRT,
152 .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS),
153 .length = OMAP34XX_GPMC_SIZE,
154 .type = MT_DEVICE
155 },
156 {
157 .virtual = OMAP343X_SMS_VIRT,
158 .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS),
159 .length = OMAP343X_SMS_SIZE,
160 .type = MT_DEVICE
161 },
162 {
163 .virtual = OMAP343X_SDRC_VIRT,
164 .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS),
165 .length = OMAP343X_SDRC_SIZE,
166 .type = MT_DEVICE
167 },
168 {
169 .virtual = L4_PER_34XX_VIRT,
170 .pfn = __phys_to_pfn(L4_PER_34XX_PHYS),
171 .length = L4_PER_34XX_SIZE,
172 .type = MT_DEVICE
173 },
174 {
175 .virtual = L4_EMU_34XX_VIRT,
176 .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS),
177 .length = L4_EMU_34XX_SIZE,
178 .type = MT_DEVICE
179 },
180};
181#endif
182
183#ifdef CONFIG_SOC_TI81XX
184static struct map_desc omapti81xx_io_desc[] __initdata = {
185 {
186 .virtual = L4_34XX_VIRT,
187 .pfn = __phys_to_pfn(L4_34XX_PHYS),
188 .length = L4_34XX_SIZE,
189 .type = MT_DEVICE
190 }
191};
192#endif
193
194#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
195static struct map_desc omapam33xx_io_desc[] __initdata = {
196 {
197 .virtual = L4_34XX_VIRT,
198 .pfn = __phys_to_pfn(L4_34XX_PHYS),
199 .length = L4_34XX_SIZE,
200 .type = MT_DEVICE
201 },
202 {
203 .virtual = L4_WK_AM33XX_VIRT,
204 .pfn = __phys_to_pfn(L4_WK_AM33XX_PHYS),
205 .length = L4_WK_AM33XX_SIZE,
206 .type = MT_DEVICE
207 }
208};
209#endif
210
211#ifdef CONFIG_ARCH_OMAP4
212static struct map_desc omap44xx_io_desc[] __initdata = {
213 {
214 .virtual = L3_44XX_VIRT,
215 .pfn = __phys_to_pfn(L3_44XX_PHYS),
216 .length = L3_44XX_SIZE,
217 .type = MT_DEVICE,
218 },
219 {
220 .virtual = L4_44XX_VIRT,
221 .pfn = __phys_to_pfn(L4_44XX_PHYS),
222 .length = L4_44XX_SIZE,
223 .type = MT_DEVICE,
224 },
225 {
226 .virtual = L4_PER_44XX_VIRT,
227 .pfn = __phys_to_pfn(L4_PER_44XX_PHYS),
228 .length = L4_PER_44XX_SIZE,
229 .type = MT_DEVICE,
230 },
231};
232#endif
233
234#ifdef CONFIG_SOC_OMAP5
235static struct map_desc omap54xx_io_desc[] __initdata = {
236 {
237 .virtual = L3_54XX_VIRT,
238 .pfn = __phys_to_pfn(L3_54XX_PHYS),
239 .length = L3_54XX_SIZE,
240 .type = MT_DEVICE,
241 },
242 {
243 .virtual = L4_54XX_VIRT,
244 .pfn = __phys_to_pfn(L4_54XX_PHYS),
245 .length = L4_54XX_SIZE,
246 .type = MT_DEVICE,
247 },
248 {
249 .virtual = L4_WK_54XX_VIRT,
250 .pfn = __phys_to_pfn(L4_WK_54XX_PHYS),
251 .length = L4_WK_54XX_SIZE,
252 .type = MT_DEVICE,
253 },
254 {
255 .virtual = L4_PER_54XX_VIRT,
256 .pfn = __phys_to_pfn(L4_PER_54XX_PHYS),
257 .length = L4_PER_54XX_SIZE,
258 .type = MT_DEVICE,
259 },
260};
261#endif
262
263#ifdef CONFIG_SOC_DRA7XX
264static struct map_desc dra7xx_io_desc[] __initdata = {
265 {
266 .virtual = L4_CFG_MPU_DRA7XX_VIRT,
267 .pfn = __phys_to_pfn(L4_CFG_MPU_DRA7XX_PHYS),
268 .length = L4_CFG_MPU_DRA7XX_SIZE,
269 .type = MT_DEVICE,
270 },
271 {
272 .virtual = L3_MAIN_SN_DRA7XX_VIRT,
273 .pfn = __phys_to_pfn(L3_MAIN_SN_DRA7XX_PHYS),
274 .length = L3_MAIN_SN_DRA7XX_SIZE,
275 .type = MT_DEVICE,
276 },
277 {
278 .virtual = L4_PER1_DRA7XX_VIRT,
279 .pfn = __phys_to_pfn(L4_PER1_DRA7XX_PHYS),
280 .length = L4_PER1_DRA7XX_SIZE,
281 .type = MT_DEVICE,
282 },
283 {
284 .virtual = L4_PER2_DRA7XX_VIRT,
285 .pfn = __phys_to_pfn(L4_PER2_DRA7XX_PHYS),
286 .length = L4_PER2_DRA7XX_SIZE,
287 .type = MT_DEVICE,
288 },
289 {
290 .virtual = L4_PER3_DRA7XX_VIRT,
291 .pfn = __phys_to_pfn(L4_PER3_DRA7XX_PHYS),
292 .length = L4_PER3_DRA7XX_SIZE,
293 .type = MT_DEVICE,
294 },
295 {
296 .virtual = L4_CFG_DRA7XX_VIRT,
297 .pfn = __phys_to_pfn(L4_CFG_DRA7XX_PHYS),
298 .length = L4_CFG_DRA7XX_SIZE,
299 .type = MT_DEVICE,
300 },
301 {
302 .virtual = L4_WKUP_DRA7XX_VIRT,
303 .pfn = __phys_to_pfn(L4_WKUP_DRA7XX_PHYS),
304 .length = L4_WKUP_DRA7XX_SIZE,
305 .type = MT_DEVICE,
306 },
307};
308#endif
309
310#ifdef CONFIG_SOC_OMAP2420
311void __init omap242x_map_io(void)
312{
313 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
314 iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
315}
316#endif
317
318#ifdef CONFIG_SOC_OMAP2430
319void __init omap243x_map_io(void)
320{
321 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
322 iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
323}
324#endif
325
326#ifdef CONFIG_ARCH_OMAP3
327void __init omap3_map_io(void)
328{
329 iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
330}
331#endif
332
333#ifdef CONFIG_SOC_TI81XX
334void __init ti81xx_map_io(void)
335{
336 iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
337}
338#endif
339
340#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
341void __init am33xx_map_io(void)
342{
343 iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
344}
345#endif
346
347#ifdef CONFIG_ARCH_OMAP4
348void __init omap4_map_io(void)
349{
350 iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
351 omap_barriers_init();
352}
353#endif
354
355#ifdef CONFIG_SOC_OMAP5
356void __init omap5_map_io(void)
357{
358 iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
359 omap_barriers_init();
360}
361#endif
362
363#ifdef CONFIG_SOC_DRA7XX
364void __init dra7xx_map_io(void)
365{
366 iotable_init(dra7xx_io_desc, ARRAY_SIZE(dra7xx_io_desc));
367 omap_barriers_init();
368}
369#endif
370/*
371 * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
372 *
373 * Sets the CORE DPLL3 M2 divider to the same value that it's at
374 * currently. This has the effect of setting the SDRC SDRAM AC timing
375 * registers to the values currently defined by the kernel. Currently
376 * only defined for OMAP3; will return 0 if called on OMAP2. Returns
377 * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
378 * or passes along the return value of clk_set_rate().
379 */
380static int __init _omap2_init_reprogram_sdrc(void)
381{
382 struct clk *dpll3_m2_ck;
383 int v = -EINVAL;
384 long rate;
385
386 if (!cpu_is_omap34xx())
387 return 0;
388
389 dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
390 if (IS_ERR(dpll3_m2_ck))
391 return -EINVAL;
392
393 rate = clk_get_rate(dpll3_m2_ck);
394 pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
395 v = clk_set_rate(dpll3_m2_ck, rate);
396 if (v)
397 pr_err("dpll3_m2_clk rate change failed: %d\n", v);
398
399 clk_put(dpll3_m2_ck);
400
401 return v;
402}
403
404static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
405{
406 return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
407}
408
409static void __init __maybe_unused omap_hwmod_init_postsetup(void)
410{
411 u8 postsetup_state = _HWMOD_STATE_DEFAULT;
412
413 /* Set the default postsetup state for all hwmods */
414 omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
415}
416
417#ifdef CONFIG_SOC_OMAP2420
418void __init omap2420_init_early(void)
419{
420 omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000));
421 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
422 OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE));
423 omap2_control_base_init();
424 omap2xxx_check_revision();
425 omap2_prcm_base_init();
426 omap2xxx_voltagedomains_init();
427 omap242x_powerdomains_init();
428 omap242x_clockdomains_init();
429 omap2420_hwmod_init();
430 omap_hwmod_init_postsetup();
431 omap_clk_soc_init = omap2420_dt_clk_init;
432 rate_table = omap2420_rate_table;
433}
434
435void __init omap2420_init_late(void)
436{
437 omap_pm_soc_init = omap2_pm_init;
438}
439#endif
440
441#ifdef CONFIG_SOC_OMAP2430
442void __init omap2430_init_early(void)
443{
444 omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000));
445 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
446 OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE));
447 omap2_control_base_init();
448 omap2xxx_check_revision();
449 omap2_prcm_base_init();
450 omap2xxx_voltagedomains_init();
451 omap243x_powerdomains_init();
452 omap243x_clockdomains_init();
453 omap2430_hwmod_init();
454 omap_hwmod_init_postsetup();
455 omap_clk_soc_init = omap2430_dt_clk_init;
456 rate_table = omap2430_rate_table;
457}
458
459void __init omap2430_init_late(void)
460{
461 omap_pm_soc_init = omap2_pm_init;
462}
463#endif
464
465/*
466 * Currently only board-omap3beagle.c should call this because of the
467 * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
468 */
469#ifdef CONFIG_ARCH_OMAP3
470void __init omap3_init_early(void)
471{
472 omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000));
473 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
474 OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE));
475 omap2_control_base_init();
476 omap3xxx_check_revision();
477 omap3xxx_check_features();
478 omap2_prcm_base_init();
479 omap3xxx_voltagedomains_init();
480 omap3xxx_powerdomains_init();
481 omap3xxx_clockdomains_init();
482 omap3xxx_hwmod_init();
483 omap_hwmod_init_postsetup();
484}
485
486void __init omap3430_init_early(void)
487{
488 omap3_init_early();
489 omap_clk_soc_init = omap3430_dt_clk_init;
490}
491
492void __init omap35xx_init_early(void)
493{
494 omap3_init_early();
495 omap_clk_soc_init = omap3430_dt_clk_init;
496}
497
498void __init omap3630_init_early(void)
499{
500 omap3_init_early();
501 omap_clk_soc_init = omap3630_dt_clk_init;
502}
503
504void __init am35xx_init_early(void)
505{
506 omap3_init_early();
507 omap_clk_soc_init = am35xx_dt_clk_init;
508}
509
510void __init omap3_init_late(void)
511{
512 omap_pm_soc_init = omap3_pm_init;
513}
514
515void __init ti81xx_init_late(void)
516{
517 omap_pm_soc_init = omap_pm_nop_init;
518}
519#endif
520
521#ifdef CONFIG_SOC_TI81XX
522void __init ti814x_init_early(void)
523{
524 omap2_set_globals_tap(TI814X_CLASS,
525 OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
526 omap2_control_base_init();
527 omap3xxx_check_revision();
528 ti81xx_check_features();
529 omap2_prcm_base_init();
530 omap3xxx_voltagedomains_init();
531 omap3xxx_powerdomains_init();
532 ti814x_clockdomains_init();
533 dm814x_hwmod_init();
534 omap_hwmod_init_postsetup();
535 omap_clk_soc_init = dm814x_dt_clk_init;
536}
537
538void __init ti816x_init_early(void)
539{
540 omap2_set_globals_tap(TI816X_CLASS,
541 OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
542 omap2_control_base_init();
543 omap3xxx_check_revision();
544 ti81xx_check_features();
545 omap2_prcm_base_init();
546 omap3xxx_voltagedomains_init();
547 omap3xxx_powerdomains_init();
548 ti816x_clockdomains_init();
549 dm816x_hwmod_init();
550 omap_hwmod_init_postsetup();
551 omap_clk_soc_init = dm816x_dt_clk_init;
552}
553#endif
554
555#ifdef CONFIG_SOC_AM33XX
556void __init am33xx_init_early(void)
557{
558 omap2_set_globals_tap(AM335X_CLASS,
559 AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
560 omap2_control_base_init();
561 omap3xxx_check_revision();
562 am33xx_check_features();
563 omap2_prcm_base_init();
564 am33xx_powerdomains_init();
565 am33xx_clockdomains_init();
566 am33xx_hwmod_init();
567 omap_hwmod_init_postsetup();
568 omap_clk_soc_init = am33xx_dt_clk_init;
569}
570
571void __init am33xx_init_late(void)
572{
573 omap_pm_soc_init = amx3_common_pm_init;
574}
575#endif
576
577#ifdef CONFIG_SOC_AM43XX
578void __init am43xx_init_early(void)
579{
580 omap2_set_globals_tap(AM335X_CLASS,
581 AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
582 omap2_control_base_init();
583 omap3xxx_check_revision();
584 am33xx_check_features();
585 omap2_prcm_base_init();
586 am43xx_powerdomains_init();
587 am43xx_clockdomains_init();
588 am43xx_hwmod_init();
589 omap_hwmod_init_postsetup();
590 omap_l2_cache_init();
591 omap_clk_soc_init = am43xx_dt_clk_init;
592}
593
594void __init am43xx_init_late(void)
595{
596 omap_pm_soc_init = amx3_common_pm_init;
597}
598#endif
599
600#ifdef CONFIG_ARCH_OMAP4
601void __init omap4430_init_early(void)
602{
603 omap2_set_globals_tap(OMAP443X_CLASS,
604 OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
605 omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
606 omap2_control_base_init();
607 omap4xxx_check_revision();
608 omap4xxx_check_features();
609 omap2_prcm_base_init();
610 omap4_sar_ram_init();
611 omap4_mpuss_early_init();
612 omap4_pm_init_early();
613 omap44xx_voltagedomains_init();
614 omap44xx_powerdomains_init();
615 omap44xx_clockdomains_init();
616 omap44xx_hwmod_init();
617 omap_hwmod_init_postsetup();
618 omap_l2_cache_init();
619 omap_clk_soc_init = omap4xxx_dt_clk_init;
620}
621
622void __init omap4430_init_late(void)
623{
624 omap_pm_soc_init = omap4_pm_init;
625}
626#endif
627
628#ifdef CONFIG_SOC_OMAP5
629void __init omap5_init_early(void)
630{
631 omap2_set_globals_tap(OMAP54XX_CLASS,
632 OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
633 omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
634 omap2_control_base_init();
635 omap2_prcm_base_init();
636 omap5xxx_check_revision();
637 omap4_sar_ram_init();
638 omap4_mpuss_early_init();
639 omap4_pm_init_early();
640 omap54xx_voltagedomains_init();
641 omap54xx_powerdomains_init();
642 omap54xx_clockdomains_init();
643 omap54xx_hwmod_init();
644 omap_hwmod_init_postsetup();
645 omap_clk_soc_init = omap5xxx_dt_clk_init;
646}
647
648void __init omap5_init_late(void)
649{
650 omap_pm_soc_init = omap4_pm_init;
651}
652#endif
653
654#ifdef CONFIG_SOC_DRA7XX
655void __init dra7xx_init_early(void)
656{
657 omap2_set_globals_tap(DRA7XX_CLASS,
658 OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
659 omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
660 omap2_control_base_init();
661 omap4_pm_init_early();
662 omap2_prcm_base_init();
663 dra7xxx_check_revision();
664 dra7xx_powerdomains_init();
665 dra7xx_clockdomains_init();
666 dra7xx_hwmod_init();
667 omap_hwmod_init_postsetup();
668 omap_clk_soc_init = dra7xx_dt_clk_init;
669}
670
671void __init dra7xx_init_late(void)
672{
673 omap_pm_soc_init = omap4_pm_init;
674}
675#endif
676
677
678void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
679 struct omap_sdrc_params *sdrc_cs1)
680{
681 omap_sram_init();
682
683 if (cpu_is_omap24xx() || omap3_has_sdrc()) {
684 omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
685 _omap2_init_reprogram_sdrc();
686 }
687}
688
689int __init omap_clk_init(void)
690{
691 int ret = 0;
692
693 if (!omap_clk_soc_init)
694 return 0;
695
696 ti_clk_init_features();
697
698 omap2_clk_setup_ll_ops();
699
700 ret = omap_control_init();
701 if (ret)
702 return ret;
703
704 ret = omap_prcm_init();
705 if (ret)
706 return ret;
707
708 of_clk_init(NULL);
709
710 ti_dt_clk_init_retry_clks();
711
712 ti_dt_clockdomains_setup();
713
714 ret = omap_clk_soc_init();
715
716 return ret;
717}