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>
24 #include <asm/proc-fns.h>
147 	0x27c, 0x498, 0x4a4, 0x490, /* SDCLK0, GPR_B0DS-B1DS, GPR_ADDS */
153 	.mmdc_compat = "fsl,imx6q-mmdc",
154 	.src_compat = "fsl,imx6q-src",
155 	.iomuxc_compat = "fsl,imx6q-iomuxc",
156 	.gpc_compat = "fsl,imx6q-gpc",
157 	.pl310_compat = "arm,pl310-cache",
163 	.mmdc_compat = "fsl,imx6q-mmdc",
164 	.src_compat = "fsl,imx6q-src",
165 	.iomuxc_compat = "fsl,imx6dl-iomuxc",
166 	.gpc_compat = "fsl,imx6q-gpc",
167 	.pl310_compat = "arm,pl310-cache",
173 	.mmdc_compat = "fsl,imx6sl-mmdc",
174 	.src_compat = "fsl,imx6sl-src",
175 	.iomuxc_compat = "fsl,imx6sl-iomuxc",
176 	.gpc_compat = "fsl,imx6sl-gpc",
177 	.pl310_compat = "arm,pl310-cache",
183 	.mmdc_compat = "fsl,imx6sll-mmdc",
184 	.src_compat = "fsl,imx6sll-src",
185 	.iomuxc_compat = "fsl,imx6sll-iomuxc",
186 	.gpc_compat = "fsl,imx6sll-gpc",
187 	.pl310_compat = "arm,pl310-cache",
193 	.mmdc_compat = "fsl,imx6sx-mmdc",
194 	.src_compat = "fsl,imx6sx-src",
195 	.iomuxc_compat = "fsl,imx6sx-iomuxc",
196 	.gpc_compat = "fsl,imx6sx-gpc",
197 	.pl310_compat = "arm,pl310-cache",
203 	.mmdc_compat = "fsl,imx6ul-mmdc",
204 	.src_compat = "fsl,imx6ul-src",
205 	.iomuxc_compat = "fsl,imx6ul-iomuxc",
206 	.gpc_compat = "fsl,imx6ul-gpc",
214  * suspend code(arch/arm/mach-imx/suspend-imx6.S), if this struct
216  * arch/arm/mach-imx/suspend-imx6.S must be also changed accordingly,
337 		return -EINVAL;  in imx6_set_lpm()
341 	 * ERR007265: CCM: When improper low-power sequence is used,  in imx6_set_lpm()
347 	 * 2) Software should then unmask IRQ #32 in GPC before setting CCM  in imx6_set_lpm()
348 	 *    Low-Power mode.  in imx6_set_lpm()
349 	 * 3) Software should mask IRQ #32 right after CCM Low-Power mode  in imx6_set_lpm()
350 	 *    is set (set bits 0-1 of CCM_CLPCR).  in imx6_set_lpm()
375 			suspend_ocram_base)->l2_base.vbase)  in imx6q_suspend_finish()
423 		return -EINVAL;  in imx6q_pm_enter()
448 		return -ENODEV;  in imx6_pm_get_base()
454 	base->pbase = res.start;  in imx6_pm_get_base()
455 	base->vbase = ioremap(res.start, resource_size(&res));  in imx6_pm_get_base()
456 	if (!base->vbase)  in imx6_pm_get_base()
457 		ret = -ENOMEM;  in imx6_pm_get_base()
479 		return -EINVAL;  in imx6q_suspend_init()
482 	node = of_find_compatible_node(NULL, NULL, "mmio-sram");  in imx6q_suspend_init()
485 		return -ENODEV;  in imx6q_suspend_init()
491 		ret = -ENODEV;  in imx6q_suspend_init()
495 	ocram_pool = gen_pool_get(&pdev->dev, NULL);  in imx6q_suspend_init()
498 		ret = -ENODEV;  in imx6q_suspend_init()
505 		ret = -ENOMEM;  in imx6q_suspend_init()
516 	pm_info->pbase = ocram_pbase;  in imx6q_suspend_init()
517 	pm_info->resume_addr = __pa_symbol(v7_cpu_resume);  in imx6q_suspend_init()
518 	pm_info->pm_info_size = sizeof(*pm_info);  in imx6q_suspend_init()
521 	 * ccm physical address is not used by asm code currently,  in imx6q_suspend_init()
522 	 * so get ccm virtual address directly.  in imx6q_suspend_init()
524 	pm_info->ccm_base.vbase = ccm_base;  in imx6q_suspend_init()
526 	ret = imx6_pm_get_base(&pm_info->mmdc_base, socdata->mmdc_compat);  in imx6q_suspend_init()
532 	ret = imx6_pm_get_base(&pm_info->src_base, socdata->src_compat);  in imx6q_suspend_init()
538 	ret = imx6_pm_get_base(&pm_info->iomuxc_base, socdata->iomuxc_compat);  in imx6q_suspend_init()
544 	ret = imx6_pm_get_base(&pm_info->gpc_base, socdata->gpc_compat);  in imx6q_suspend_init()
550 	if (socdata->pl310_compat) {  in imx6q_suspend_init()
551 		ret = imx6_pm_get_base(&pm_info->l2_base, socdata->pl310_compat);  in imx6q_suspend_init()
553 			pr_warn("%s: failed to get pl310-cache base %d!\n",  in imx6q_suspend_init()
559 	pm_info->ddr_type = imx_mmdc_get_ddr_type();  in imx6q_suspend_init()
560 	pm_info->mmdc_io_num = socdata->mmdc_io_num;  in imx6q_suspend_init()
561 	mmdc_offset_array = socdata->mmdc_io_offset;  in imx6q_suspend_init()
563 	for (i = 0; i < pm_info->mmdc_io_num; i++) {  in imx6q_suspend_init()
564 		pm_info->mmdc_io_val[i][0] =  in imx6q_suspend_init()
566 		pm_info->mmdc_io_val[i][1] =  in imx6q_suspend_init()
567 			readl_relaxed(pm_info->iomuxc_base.vbase +  in imx6q_suspend_init()
574 		MX6Q_SUSPEND_OCRAM_SIZE - sizeof(*pm_info));  in imx6q_suspend_init()
581 	iounmap(pm_info->gpc_base.vbase);  in imx6q_suspend_init()
583 	iounmap(pm_info->iomuxc_base.vbase);  in imx6q_suspend_init()
585 	iounmap(pm_info->src_base.vbase);  in imx6q_suspend_init()
587 	iounmap(pm_info->mmdc_base.vbase);  in imx6q_suspend_init()
589 	put_device(&pdev->dev);  in imx6q_suspend_init()
618 	gpr = syscon_regmap_lookup_by_compatible("fsl,imx6q-iomuxc-gpr");  in imx6_pm_common_init()
640 		return -EBUSY;  in imx6_pm_stby_poweroff_probe()
664 	if (of_property_read_bool(np, "fsl,pmic-stby-poweroff"))  in imx6_pm_ccm_init()
688 		gpr = syscon_regmap_lookup_by_compatible("fsl,imx6q-iomuxc-gpr");  in imx6sl_pm_init()