2 * OMAP2/3 System Control Module register access
4 * Copyright (C) 2007, 2012 Texas Instruments, Inc.
5 * Copyright (C) 2007 Nokia Corporation
7 * Written by Paul Walmsley
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
15 #include <linux/kernel.h>
21 #include "cm-regbits-34xx.h"
22 #include "prm-regbits-34xx.h"
29 /* Used by omap3_ctrl_save_padconf() */
30 #define START_PADCONF_SAVE 0x2
31 #define PADCONF_SAVE_DONE 0x1
33 static void __iomem *omap2_ctrl_base;
34 static void __iomem *omap4_ctrl_pad_base;
36 #if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
37 struct omap3_scratchpad {
39 u32 public_restore_ptr;
40 u32 secure_ram_restore_ptr;
41 u32 sdrc_module_semaphore;
42 u32 prcm_block_offset;
43 u32 sdrc_block_offset;
46 struct omap3_scratchpad_prcm_block {
52 struct omap3_scratchpad_sdrc_block {
84 void *omap3_secure_ram_storage;
87 * This is used to store ARM registers in SDRAM before attempting
88 * an MPU OFF. The save and restore happens from the SRAM sleep code.
89 * The address is stored in scratchpad, so that it can be used
90 * during the restore path.
92 u32 omap3_arm_context[128];
94 struct omap3_control_regs {
121 u32 dss_dpll_spreading;
122 u32 core_dpll_spreading;
123 u32 per_dpll_spreading;
124 u32 usbhost_dpll_spreading;
130 u32 padconf_sys_nirq;
133 static struct omap3_control_regs control_context;
134 #endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */
136 #define OMAP_CTRL_REGADDR(reg) (omap2_ctrl_base + (reg))
137 #define OMAP4_CTRL_PAD_REGADDR(reg) (omap4_ctrl_pad_base + (reg))
139 void __init omap2_set_globals_control(void __iomem *ctrl,
140 void __iomem *ctrl_pad)
142 omap2_ctrl_base = ctrl;
143 omap4_ctrl_pad_base = ctrl_pad;
146 void __iomem *omap_ctrl_base_get(void)
148 return omap2_ctrl_base;
151 u8 omap_ctrl_readb(u16 offset)
153 return readb_relaxed(OMAP_CTRL_REGADDR(offset));
156 u16 omap_ctrl_readw(u16 offset)
158 return readw_relaxed(OMAP_CTRL_REGADDR(offset));
161 u32 omap_ctrl_readl(u16 offset)
163 return readl_relaxed(OMAP_CTRL_REGADDR(offset));
166 void omap_ctrl_writeb(u8 val, u16 offset)
168 writeb_relaxed(val, OMAP_CTRL_REGADDR(offset));
171 void omap_ctrl_writew(u16 val, u16 offset)
173 writew_relaxed(val, OMAP_CTRL_REGADDR(offset));
176 void omap_ctrl_writel(u32 val, u16 offset)
178 writel_relaxed(val, OMAP_CTRL_REGADDR(offset));
182 * On OMAP4 control pad are not addressable from control
183 * core base. So the common omap_ctrl_read/write APIs breaks
184 * Hence export separate APIs to manage the omap4 pad control
185 * registers. This APIs will work only for OMAP4
188 u32 omap4_ctrl_pad_readl(u16 offset)
190 return readl_relaxed(OMAP4_CTRL_PAD_REGADDR(offset));
193 void omap4_ctrl_pad_writel(u32 val, u16 offset)
195 writel_relaxed(val, OMAP4_CTRL_PAD_REGADDR(offset));
198 #ifdef CONFIG_ARCH_OMAP3
201 * omap3_ctrl_write_boot_mode - set scratchpad boot mode for the next boot
202 * @bootmode: 8-bit value to pass to some boot code
204 * Set the bootmode in the scratchpad RAM. This is used after the
205 * system restarts. Not sure what actually uses this - it may be the
206 * bootloader, rather than the boot ROM - contrary to the preserved
207 * comment below. No return value.
209 void omap3_ctrl_write_boot_mode(u8 bootmode)
213 l = ('B' << 24) | ('M' << 16) | bootmode;
216 * Reserve the first word in scratchpad for communicating
217 * with the boot ROM. A pointer to a data structure
218 * describing the boot process can be stored there,
219 * cf. OMAP34xx TRM, Initialization / Software Booting
222 * XXX This should use some omap_ctrl_writel()-type function
224 writel_relaxed(l, OMAP2_L4_IO_ADDRESS(OMAP343X_SCRATCHPAD + 4));
230 * omap_ctrl_write_dsp_boot_addr - set boot address for a remote processor
231 * @bootaddr: physical address of the boot loader
233 * Set boot address for the boot loader of a supported processor
234 * when a power ON sequence occurs.
236 void omap_ctrl_write_dsp_boot_addr(u32 bootaddr)
238 u32 offset = cpu_is_omap243x() ? OMAP243X_CONTROL_IVA2_BOOTADDR :
239 cpu_is_omap34xx() ? OMAP343X_CONTROL_IVA2_BOOTADDR :
240 cpu_is_omap44xx() ? OMAP4_CTRL_MODULE_CORE_DSP_BOOTADDR :
241 soc_is_omap54xx() ? OMAP4_CTRL_MODULE_CORE_DSP_BOOTADDR :
245 pr_err("%s: unsupported omap type\n", __func__);
249 omap_ctrl_writel(bootaddr, offset);
253 * omap_ctrl_write_dsp_boot_mode - set boot mode for a remote processor
254 * @bootmode: 8-bit value to pass to some boot code
256 * Sets boot mode for the boot loader of a supported processor
257 * when a power ON sequence occurs.
259 void omap_ctrl_write_dsp_boot_mode(u8 bootmode)
261 u32 offset = cpu_is_omap243x() ? OMAP243X_CONTROL_IVA2_BOOTMOD :
262 cpu_is_omap34xx() ? OMAP343X_CONTROL_IVA2_BOOTMOD :
266 pr_err("%s: unsupported omap type\n", __func__);
270 omap_ctrl_writel(bootmode, offset);
273 #if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
275 * Clears the scratchpad contents in case of cold boot-
276 * called during bootup
278 void omap3_clear_scratchpad_contents(void)
280 u32 max_offset = OMAP343X_SCRATCHPAD_ROM_OFFSET;
281 void __iomem *v_addr;
283 v_addr = OMAP2_L4_IO_ADDRESS(OMAP343X_SCRATCHPAD_ROM);
284 if (omap3xxx_prm_clear_global_cold_reset()) {
285 for ( ; offset <= max_offset; offset += 0x4)
286 writel_relaxed(0x0, (v_addr + offset));
290 /* Populate the scratchpad structure with restore structure */
291 void omap3_save_scratchpad_contents(void)
293 void __iomem *scratchpad_address;
294 u32 arm_context_addr;
295 struct omap3_scratchpad scratchpad_contents;
296 struct omap3_scratchpad_prcm_block prcm_block_contents;
297 struct omap3_scratchpad_sdrc_block sdrc_block_contents;
300 * Populate the Scratchpad contents
302 * The "get_*restore_pointer" functions are used to provide a
303 * physical restore address where the ROM code jumps while waking
304 * up from MPU OFF/OSWR state.
305 * The restore pointer is stored into the scratchpad.
307 scratchpad_contents.boot_config_ptr = 0x0;
308 if (cpu_is_omap3630())
309 scratchpad_contents.public_restore_ptr =
310 virt_to_phys(omap3_restore_3630);
311 else if (omap_rev() != OMAP3430_REV_ES3_0 &&
312 omap_rev() != OMAP3430_REV_ES3_1 &&
313 omap_rev() != OMAP3430_REV_ES3_1_2)
314 scratchpad_contents.public_restore_ptr =
315 virt_to_phys(omap3_restore);
317 scratchpad_contents.public_restore_ptr =
318 virt_to_phys(omap3_restore_es3);
320 if (omap_type() == OMAP2_DEVICE_TYPE_GP)
321 scratchpad_contents.secure_ram_restore_ptr = 0x0;
323 scratchpad_contents.secure_ram_restore_ptr =
324 (u32) __pa(omap3_secure_ram_storage);
325 scratchpad_contents.sdrc_module_semaphore = 0x0;
326 scratchpad_contents.prcm_block_offset = 0x2C;
327 scratchpad_contents.sdrc_block_offset = 0x64;
329 /* Populate the PRCM block contents */
330 omap3_prm_save_scratchpad_contents(prcm_block_contents.prm_contents);
331 omap3_cm_save_scratchpad_contents(prcm_block_contents.cm_contents);
333 prcm_block_contents.prcm_block_size = 0x0;
335 /* Populate the SDRC block contents */
336 sdrc_block_contents.sysconfig =
337 (sdrc_read_reg(SDRC_SYSCONFIG) & 0xFFFF);
338 sdrc_block_contents.cs_cfg =
339 (sdrc_read_reg(SDRC_CS_CFG) & 0xFFFF);
340 sdrc_block_contents.sharing =
341 (sdrc_read_reg(SDRC_SHARING) & 0xFFFF);
342 sdrc_block_contents.err_type =
343 (sdrc_read_reg(SDRC_ERR_TYPE) & 0xFFFF);
344 sdrc_block_contents.dll_a_ctrl = sdrc_read_reg(SDRC_DLLA_CTRL);
345 sdrc_block_contents.dll_b_ctrl = 0x0;
347 * Due to a OMAP3 errata (1.142), on EMU/HS devices SRDC should
348 * be programed to issue automatic self refresh on timeout
349 * of AUTO_CNT = 1 prior to any transition to OFF mode.
351 if ((omap_type() != OMAP2_DEVICE_TYPE_GP)
352 && (omap_rev() >= OMAP3430_REV_ES3_0))
353 sdrc_block_contents.power = (sdrc_read_reg(SDRC_POWER) &
354 ~(SDRC_POWER_AUTOCOUNT_MASK|
355 SDRC_POWER_CLKCTRL_MASK)) |
356 (1 << SDRC_POWER_AUTOCOUNT_SHIFT) |
357 SDRC_SELF_REFRESH_ON_AUTOCOUNT;
359 sdrc_block_contents.power = sdrc_read_reg(SDRC_POWER);
361 sdrc_block_contents.cs_0 = 0x0;
362 sdrc_block_contents.mcfg_0 = sdrc_read_reg(SDRC_MCFG_0);
363 sdrc_block_contents.mr_0 = (sdrc_read_reg(SDRC_MR_0) & 0xFFFF);
364 sdrc_block_contents.emr_1_0 = 0x0;
365 sdrc_block_contents.emr_2_0 = 0x0;
366 sdrc_block_contents.emr_3_0 = 0x0;
367 sdrc_block_contents.actim_ctrla_0 =
368 sdrc_read_reg(SDRC_ACTIM_CTRL_A_0);
369 sdrc_block_contents.actim_ctrlb_0 =
370 sdrc_read_reg(SDRC_ACTIM_CTRL_B_0);
371 sdrc_block_contents.rfr_ctrl_0 =
372 sdrc_read_reg(SDRC_RFR_CTRL_0);
373 sdrc_block_contents.cs_1 = 0x0;
374 sdrc_block_contents.mcfg_1 = sdrc_read_reg(SDRC_MCFG_1);
375 sdrc_block_contents.mr_1 = sdrc_read_reg(SDRC_MR_1) & 0xFFFF;
376 sdrc_block_contents.emr_1_1 = 0x0;
377 sdrc_block_contents.emr_2_1 = 0x0;
378 sdrc_block_contents.emr_3_1 = 0x0;
379 sdrc_block_contents.actim_ctrla_1 =
380 sdrc_read_reg(SDRC_ACTIM_CTRL_A_1);
381 sdrc_block_contents.actim_ctrlb_1 =
382 sdrc_read_reg(SDRC_ACTIM_CTRL_B_1);
383 sdrc_block_contents.rfr_ctrl_1 =
384 sdrc_read_reg(SDRC_RFR_CTRL_1);
385 sdrc_block_contents.dcdl_1_ctrl = 0x0;
386 sdrc_block_contents.dcdl_2_ctrl = 0x0;
387 sdrc_block_contents.flags = 0x0;
388 sdrc_block_contents.block_size = 0x0;
390 arm_context_addr = virt_to_phys(omap3_arm_context);
392 /* Copy all the contents to the scratchpad location */
393 scratchpad_address = OMAP2_L4_IO_ADDRESS(OMAP343X_SCRATCHPAD);
394 memcpy_toio(scratchpad_address, &scratchpad_contents,
395 sizeof(scratchpad_contents));
396 /* Scratchpad contents being 32 bits, a divide by 4 done here */
397 memcpy_toio(scratchpad_address +
398 scratchpad_contents.prcm_block_offset,
399 &prcm_block_contents, sizeof(prcm_block_contents));
400 memcpy_toio(scratchpad_address +
401 scratchpad_contents.sdrc_block_offset,
402 &sdrc_block_contents, sizeof(sdrc_block_contents));
404 * Copies the address of the location in SDRAM where ARM
405 * registers get saved during a MPU OFF transition.
407 memcpy_toio(scratchpad_address +
408 scratchpad_contents.sdrc_block_offset +
409 sizeof(sdrc_block_contents), &arm_context_addr, 4);
412 void omap3_control_save_context(void)
414 control_context.sysconfig = omap_ctrl_readl(OMAP2_CONTROL_SYSCONFIG);
415 control_context.devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
416 control_context.mem_dftrw0 =
417 omap_ctrl_readl(OMAP343X_CONTROL_MEM_DFTRW0);
418 control_context.mem_dftrw1 =
419 omap_ctrl_readl(OMAP343X_CONTROL_MEM_DFTRW1);
420 control_context.msuspendmux_0 =
421 omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_0);
422 control_context.msuspendmux_1 =
423 omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_1);
424 control_context.msuspendmux_2 =
425 omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_2);
426 control_context.msuspendmux_3 =
427 omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_3);
428 control_context.msuspendmux_4 =
429 omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_4);
430 control_context.msuspendmux_5 =
431 omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_5);
432 control_context.sec_ctrl = omap_ctrl_readl(OMAP2_CONTROL_SEC_CTRL);
433 control_context.devconf1 = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
434 control_context.csirxfe = omap_ctrl_readl(OMAP343X_CONTROL_CSIRXFE);
435 control_context.iva2_bootaddr =
436 omap_ctrl_readl(OMAP343X_CONTROL_IVA2_BOOTADDR);
437 control_context.iva2_bootmod =
438 omap_ctrl_readl(OMAP343X_CONTROL_IVA2_BOOTMOD);
439 control_context.debobs_0 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(0));
440 control_context.debobs_1 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(1));
441 control_context.debobs_2 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(2));
442 control_context.debobs_3 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(3));
443 control_context.debobs_4 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(4));
444 control_context.debobs_5 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(5));
445 control_context.debobs_6 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(6));
446 control_context.debobs_7 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(7));
447 control_context.debobs_8 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(8));
448 control_context.prog_io0 = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO0);
449 control_context.prog_io1 = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1);
450 control_context.dss_dpll_spreading =
451 omap_ctrl_readl(OMAP343X_CONTROL_DSS_DPLL_SPREADING);
452 control_context.core_dpll_spreading =
453 omap_ctrl_readl(OMAP343X_CONTROL_CORE_DPLL_SPREADING);
454 control_context.per_dpll_spreading =
455 omap_ctrl_readl(OMAP343X_CONTROL_PER_DPLL_SPREADING);
456 control_context.usbhost_dpll_spreading =
457 omap_ctrl_readl(OMAP343X_CONTROL_USBHOST_DPLL_SPREADING);
458 control_context.pbias_lite =
459 omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
460 control_context.temp_sensor =
461 omap_ctrl_readl(OMAP343X_CONTROL_TEMP_SENSOR);
462 control_context.sramldo4 = omap_ctrl_readl(OMAP343X_CONTROL_SRAMLDO4);
463 control_context.sramldo5 = omap_ctrl_readl(OMAP343X_CONTROL_SRAMLDO5);
464 control_context.csi = omap_ctrl_readl(OMAP343X_CONTROL_CSI);
465 control_context.padconf_sys_nirq =
466 omap_ctrl_readl(OMAP343X_CONTROL_PADCONF_SYSNIRQ);
470 void omap3_control_restore_context(void)
472 omap_ctrl_writel(control_context.sysconfig, OMAP2_CONTROL_SYSCONFIG);
473 omap_ctrl_writel(control_context.devconf0, OMAP2_CONTROL_DEVCONF0);
474 omap_ctrl_writel(control_context.mem_dftrw0,
475 OMAP343X_CONTROL_MEM_DFTRW0);
476 omap_ctrl_writel(control_context.mem_dftrw1,
477 OMAP343X_CONTROL_MEM_DFTRW1);
478 omap_ctrl_writel(control_context.msuspendmux_0,
479 OMAP2_CONTROL_MSUSPENDMUX_0);
480 omap_ctrl_writel(control_context.msuspendmux_1,
481 OMAP2_CONTROL_MSUSPENDMUX_1);
482 omap_ctrl_writel(control_context.msuspendmux_2,
483 OMAP2_CONTROL_MSUSPENDMUX_2);
484 omap_ctrl_writel(control_context.msuspendmux_3,
485 OMAP2_CONTROL_MSUSPENDMUX_3);
486 omap_ctrl_writel(control_context.msuspendmux_4,
487 OMAP2_CONTROL_MSUSPENDMUX_4);
488 omap_ctrl_writel(control_context.msuspendmux_5,
489 OMAP2_CONTROL_MSUSPENDMUX_5);
490 omap_ctrl_writel(control_context.sec_ctrl, OMAP2_CONTROL_SEC_CTRL);
491 omap_ctrl_writel(control_context.devconf1, OMAP343X_CONTROL_DEVCONF1);
492 omap_ctrl_writel(control_context.csirxfe, OMAP343X_CONTROL_CSIRXFE);
493 omap_ctrl_writel(control_context.iva2_bootaddr,
494 OMAP343X_CONTROL_IVA2_BOOTADDR);
495 omap_ctrl_writel(control_context.iva2_bootmod,
496 OMAP343X_CONTROL_IVA2_BOOTMOD);
497 omap_ctrl_writel(control_context.debobs_0, OMAP343X_CONTROL_DEBOBS(0));
498 omap_ctrl_writel(control_context.debobs_1, OMAP343X_CONTROL_DEBOBS(1));
499 omap_ctrl_writel(control_context.debobs_2, OMAP343X_CONTROL_DEBOBS(2));
500 omap_ctrl_writel(control_context.debobs_3, OMAP343X_CONTROL_DEBOBS(3));
501 omap_ctrl_writel(control_context.debobs_4, OMAP343X_CONTROL_DEBOBS(4));
502 omap_ctrl_writel(control_context.debobs_5, OMAP343X_CONTROL_DEBOBS(5));
503 omap_ctrl_writel(control_context.debobs_6, OMAP343X_CONTROL_DEBOBS(6));
504 omap_ctrl_writel(control_context.debobs_7, OMAP343X_CONTROL_DEBOBS(7));
505 omap_ctrl_writel(control_context.debobs_8, OMAP343X_CONTROL_DEBOBS(8));
506 omap_ctrl_writel(control_context.prog_io0, OMAP343X_CONTROL_PROG_IO0);
507 omap_ctrl_writel(control_context.prog_io1, OMAP343X_CONTROL_PROG_IO1);
508 omap_ctrl_writel(control_context.dss_dpll_spreading,
509 OMAP343X_CONTROL_DSS_DPLL_SPREADING);
510 omap_ctrl_writel(control_context.core_dpll_spreading,
511 OMAP343X_CONTROL_CORE_DPLL_SPREADING);
512 omap_ctrl_writel(control_context.per_dpll_spreading,
513 OMAP343X_CONTROL_PER_DPLL_SPREADING);
514 omap_ctrl_writel(control_context.usbhost_dpll_spreading,
515 OMAP343X_CONTROL_USBHOST_DPLL_SPREADING);
516 omap_ctrl_writel(control_context.pbias_lite,
517 OMAP343X_CONTROL_PBIAS_LITE);
518 omap_ctrl_writel(control_context.temp_sensor,
519 OMAP343X_CONTROL_TEMP_SENSOR);
520 omap_ctrl_writel(control_context.sramldo4, OMAP343X_CONTROL_SRAMLDO4);
521 omap_ctrl_writel(control_context.sramldo5, OMAP343X_CONTROL_SRAMLDO5);
522 omap_ctrl_writel(control_context.csi, OMAP343X_CONTROL_CSI);
523 omap_ctrl_writel(control_context.padconf_sys_nirq,
524 OMAP343X_CONTROL_PADCONF_SYSNIRQ);
528 void omap3630_ctrl_disable_rta(void)
530 if (!cpu_is_omap3630())
532 omap_ctrl_writel(OMAP36XX_RTA_DISABLE, OMAP36XX_CONTROL_MEM_RTA_CTRL);
536 * omap3_ctrl_save_padconf - save padconf registers to scratchpad RAM
538 * Tell the SCM to start saving the padconf registers, then wait for
539 * the process to complete. Returns 0 unconditionally, although it
540 * should also eventually be able to return -ETIMEDOUT, if the save
543 * XXX This function is missing a timeout. What should it be?
545 int omap3_ctrl_save_padconf(void)
549 /* Save the padconf registers */
550 cpo = omap_ctrl_readl(OMAP343X_CONTROL_PADCONF_OFF);
551 cpo |= START_PADCONF_SAVE;
552 omap_ctrl_writel(cpo, OMAP343X_CONTROL_PADCONF_OFF);
554 /* wait for the save to complete */
555 while (!(omap_ctrl_readl(OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS)
556 & PADCONF_SAVE_DONE))
563 * omap3_ctrl_set_iva_bootmode_idle - sets the IVA2 bootmode to idle
565 * Sets the bootmode for IVA2 to idle. This is needed by the PM code to
566 * force disable IVA2 so that it does not prevent any low-power states.
568 static void __init omap3_ctrl_set_iva_bootmode_idle(void)
570 omap_ctrl_writel(OMAP3_IVA2_BOOTMOD_IDLE,
571 OMAP343X_CONTROL_IVA2_BOOTMOD);
575 * omap3_ctrl_setup_d2d_padconf - setup stacked modem pads for idle
577 * Sets up the pads controlling the stacked modem in such way that the
578 * device can enter idle.
580 static void __init omap3_ctrl_setup_d2d_padconf(void)
585 * In a stand alone OMAP3430 where there is not a stacked
586 * modem for the D2D Idle Ack and D2D MStandby must be pulled
587 * high. S CONTROL_PADCONF_SAD2D_IDLEACK and
588 * CONTROL_PADCONF_SAD2D_MSTDBY to have a pull up.
590 mask = (1 << 4) | (1 << 3); /* pull-up, enabled */
591 padconf = omap_ctrl_readw(OMAP3_PADCONF_SAD2D_MSTANDBY);
593 omap_ctrl_writew(padconf, OMAP3_PADCONF_SAD2D_MSTANDBY);
595 padconf = omap_ctrl_readw(OMAP3_PADCONF_SAD2D_IDLEACK);
597 omap_ctrl_writew(padconf, OMAP3_PADCONF_SAD2D_IDLEACK);
601 * omap3_ctrl_init - does static initializations for control module
603 * Initializes system control module. This sets up the sysconfig autoidle,
604 * and sets up modem and iva2 so that they can be idled properly.
606 void __init omap3_ctrl_init(void)
608 omap_ctrl_writel(OMAP3430_AUTOIDLE_MASK, OMAP2_CONTROL_SYSCONFIG);
610 omap3_ctrl_set_iva_bootmode_idle();
612 omap3_ctrl_setup_d2d_padconf();
614 #endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */