1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Copyright 2011-2014 Freescale Semiconductor, Inc.
13 #include <linux/irqchip/arm-gic.h>
15 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
23 #include <asm/proc-fns.h>
146 	0x27c, 0x498, 0x4a4, 0x490, /* SDCLK0, GPR_B0DS-B1DS, GPR_ADDS */
152 	.mmdc_compat = "fsl,imx6q-mmdc",
153 	.src_compat = "fsl,imx6q-src",
154 	.iomuxc_compat = "fsl,imx6q-iomuxc",
155 	.gpc_compat = "fsl,imx6q-gpc",
156 	.pl310_compat = "arm,pl310-cache",
162 	.mmdc_compat = "fsl,imx6q-mmdc",
163 	.src_compat = "fsl,imx6q-src",
164 	.iomuxc_compat = "fsl,imx6dl-iomuxc",
165 	.gpc_compat = "fsl,imx6q-gpc",
166 	.pl310_compat = "arm,pl310-cache",
172 	.mmdc_compat = "fsl,imx6sl-mmdc",
173 	.src_compat = "fsl,imx6sl-src",
174 	.iomuxc_compat = "fsl,imx6sl-iomuxc",
175 	.gpc_compat = "fsl,imx6sl-gpc",
176 	.pl310_compat = "arm,pl310-cache",
182 	.mmdc_compat = "fsl,imx6sll-mmdc",
183 	.src_compat = "fsl,imx6sll-src",
184 	.iomuxc_compat = "fsl,imx6sll-iomuxc",
185 	.gpc_compat = "fsl,imx6sll-gpc",
186 	.pl310_compat = "arm,pl310-cache",
192 	.mmdc_compat = "fsl,imx6sx-mmdc",
193 	.src_compat = "fsl,imx6sx-src",
194 	.iomuxc_compat = "fsl,imx6sx-iomuxc",
195 	.gpc_compat = "fsl,imx6sx-gpc",
196 	.pl310_compat = "arm,pl310-cache",
202 	.mmdc_compat = "fsl,imx6ul-mmdc",
203 	.src_compat = "fsl,imx6ul-src",
204 	.iomuxc_compat = "fsl,imx6ul-iomuxc",
205 	.gpc_compat = "fsl,imx6ul-gpc",
213  * suspend code(arch/arm/mach-imx/suspend-imx6.S), if this struct
215  * arch/arm/mach-imx/suspend-imx6.S must be also changed accordingly,
336 		return -EINVAL;  in imx6_set_lpm()
340 	 * ERR007265: CCM: When improper low-power sequence is used,  in imx6_set_lpm()
346 	 * 2) Software should then unmask IRQ #32 in GPC before setting CCM  in imx6_set_lpm()
347 	 *    Low-Power mode.  in imx6_set_lpm()
348 	 * 3) Software should mask IRQ #32 right after CCM Low-Power mode  in imx6_set_lpm()
349 	 *    is set (set bits 0-1 of CCM_CLPCR).  in imx6_set_lpm()
374 			suspend_ocram_base)->l2_base.vbase)  in imx6q_suspend_finish()
422 		return -EINVAL;  in imx6q_pm_enter()
447 		return -ENODEV;  in imx6_pm_get_base()
453 	base->pbase = res.start;  in imx6_pm_get_base()
454 	base->vbase = ioremap(res.start, resource_size(&res));  in imx6_pm_get_base()
455 	if (!base->vbase)  in imx6_pm_get_base()
456 		ret = -ENOMEM;  in imx6_pm_get_base()
478 		return -EINVAL;  in imx6q_suspend_init()
481 	node = of_find_compatible_node(NULL, NULL, "mmio-sram");  in imx6q_suspend_init()
484 		return -ENODEV;  in imx6q_suspend_init()
490 		ret = -ENODEV;  in imx6q_suspend_init()
494 	ocram_pool = gen_pool_get(&pdev->dev, NULL);  in imx6q_suspend_init()
497 		ret = -ENODEV;  in imx6q_suspend_init()
504 		ret = -ENOMEM;  in imx6q_suspend_init()
515 	pm_info->pbase = ocram_pbase;  in imx6q_suspend_init()
516 	pm_info->resume_addr = __pa_symbol(v7_cpu_resume);  in imx6q_suspend_init()
517 	pm_info->pm_info_size = sizeof(*pm_info);  in imx6q_suspend_init()
520 	 * ccm physical address is not used by asm code currently,  in imx6q_suspend_init()
521 	 * so get ccm virtual address directly.  in imx6q_suspend_init()
523 	pm_info->ccm_base.vbase = ccm_base;  in imx6q_suspend_init()
525 	ret = imx6_pm_get_base(&pm_info->mmdc_base, socdata->mmdc_compat);  in imx6q_suspend_init()
531 	ret = imx6_pm_get_base(&pm_info->src_base, socdata->src_compat);  in imx6q_suspend_init()
537 	ret = imx6_pm_get_base(&pm_info->iomuxc_base, socdata->iomuxc_compat);  in imx6q_suspend_init()
543 	ret = imx6_pm_get_base(&pm_info->gpc_base, socdata->gpc_compat);  in imx6q_suspend_init()
549 	if (socdata->pl310_compat) {  in imx6q_suspend_init()
550 		ret = imx6_pm_get_base(&pm_info->l2_base, socdata->pl310_compat);  in imx6q_suspend_init()
552 			pr_warn("%s: failed to get pl310-cache base %d!\n",  in imx6q_suspend_init()
558 	pm_info->ddr_type = imx_mmdc_get_ddr_type();  in imx6q_suspend_init()
559 	pm_info->mmdc_io_num = socdata->mmdc_io_num;  in imx6q_suspend_init()
560 	mmdc_offset_array = socdata->mmdc_io_offset;  in imx6q_suspend_init()
562 	for (i = 0; i < pm_info->mmdc_io_num; i++) {  in imx6q_suspend_init()
563 		pm_info->mmdc_io_val[i][0] =  in imx6q_suspend_init()
565 		pm_info->mmdc_io_val[i][1] =  in imx6q_suspend_init()
566 			readl_relaxed(pm_info->iomuxc_base.vbase +  in imx6q_suspend_init()
573 		MX6Q_SUSPEND_OCRAM_SIZE - sizeof(*pm_info));  in imx6q_suspend_init()
580 	iounmap(pm_info->gpc_base.vbase);  in imx6q_suspend_init()
582 	iounmap(pm_info->iomuxc_base.vbase);  in imx6q_suspend_init()
584 	iounmap(pm_info->src_base.vbase);  in imx6q_suspend_init()
586 	iounmap(pm_info->mmdc_base.vbase);  in imx6q_suspend_init()
588 	put_device(&pdev->dev);  in imx6q_suspend_init()
617 	gpr = syscon_regmap_lookup_by_compatible("fsl,imx6q-iomuxc-gpr");  in imx6_pm_common_init()
639 		return -EBUSY;  in imx6_pm_stby_poweroff_probe()
663 	if (of_property_read_bool(np, "fsl,pmic-stby-poweroff"))  in imx6_pm_ccm_init()
687 		gpr = syscon_regmap_lookup_by_compatible("fsl,imx6q-iomuxc-gpr");  in imx6sl_pm_init()