| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434 | /* * OMAP3 powerdomain definitions * * Copyright (C) 2007-2008, 2011 Texas Instruments, Inc. * Copyright (C) 2007-2011 Nokia Corporation * * Paul Walmsley, Jouni Högander * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */#include <linux/kernel.h>#include <linux/init.h>#include <linux/bug.h>#include "soc.h"#include "powerdomain.h"#include "powerdomains2xxx_3xxx_data.h"#include "prcm-common.h"#include "prm2xxx_3xxx.h"#include "prm-regbits-34xx.h"#include "cm2xxx_3xxx.h"#include "cm-regbits-34xx.h"/* * 34XX-specific powerdomains, dependencies *//* * Powerdomains */static struct powerdomain iva2_pwrdm = {	.name		  = "iva2_pwrdm",	.prcm_offs	  = OMAP3430_IVA2_MOD,	.pwrsts		  = PWRSTS_OFF_RET_ON,	.pwrsts_logic_ret = PWRSTS_OFF_RET,	.banks		  = 4,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_OFF_RET,		[1] = PWRSTS_OFF_RET,		[2] = PWRSTS_OFF_RET,		[3] = PWRSTS_OFF_RET,	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_ON,		[1] = PWRSTS_ON,		[2] = PWRSTS_OFF_ON,		[3] = PWRSTS_ON,	},	.voltdm           = { .name = "mpu_iva" },};static struct powerdomain mpu_3xxx_pwrdm = {	.name		  = "mpu_pwrdm",	.prcm_offs	  = MPU_MOD,	.pwrsts		  = PWRSTS_OFF_RET_ON,	.pwrsts_logic_ret = PWRSTS_OFF_RET,	.flags		  = PWRDM_HAS_MPU_QUIRK,	.banks		  = 1,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_OFF_RET,	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_OFF_ON,	},	.voltdm           = { .name = "mpu_iva" },};static struct powerdomain mpu_am35x_pwrdm = {	.name		  = "mpu_pwrdm",	.prcm_offs	  = MPU_MOD,	.pwrsts		  = PWRSTS_ON,	.pwrsts_logic_ret = PWRSTS_ON,	.flags		  = PWRDM_HAS_MPU_QUIRK,	.banks		  = 1,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_ON,	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_ON,	},	.voltdm           = { .name = "mpu_iva" },};/* * The USBTLL Save-and-Restore mechanism is broken on * 3430s up to ES3.0 and 3630ES1.0. Hence this feature * needs to be disabled on these chips. * Refer: 3430 errata ID i459 and 3630 errata ID i579 * * Note: setting the SAR flag could help for errata ID i478 *  which applies to 3430 <= ES3.1, but since the SAR feature *  is broken, do not use it. */static struct powerdomain core_3xxx_pre_es3_1_pwrdm = {	.name		  = "core_pwrdm",	.prcm_offs	  = CORE_MOD,	.pwrsts		  = PWRSTS_OFF_RET_ON,	.pwrsts_logic_ret = PWRSTS_OFF_RET,	.banks		  = 2,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_OFF_RET,	 /* MEM1RETSTATE */		[1] = PWRSTS_OFF_RET,	 /* MEM2RETSTATE */	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */		[1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */	},	.voltdm           = { .name = "core" },};static struct powerdomain core_3xxx_es3_1_pwrdm = {	.name		  = "core_pwrdm",	.prcm_offs	  = CORE_MOD,	.pwrsts		  = PWRSTS_OFF_RET_ON,	.pwrsts_logic_ret = PWRSTS_OFF_RET,	/*	 * Setting the SAR flag for errata ID i478 which applies	 *  to 3430 <= ES3.1	 */	.flags		  = PWRDM_HAS_HDWR_SAR, /* for USBTLL only */	.banks		  = 2,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_OFF_RET,	 /* MEM1RETSTATE */		[1] = PWRSTS_OFF_RET,	 /* MEM2RETSTATE */	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */		[1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */	},	.voltdm           = { .name = "core" },};static struct powerdomain core_am35x_pwrdm = {	.name		  = "core_pwrdm",	.prcm_offs	  = CORE_MOD,	.pwrsts		  = PWRSTS_ON,	.pwrsts_logic_ret = PWRSTS_ON,	.banks		  = 2,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_ON,	 /* MEM1RETSTATE */		[1] = PWRSTS_ON,	 /* MEM2RETSTATE */	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_ON, /* MEM1ONSTATE */		[1] = PWRSTS_ON, /* MEM2ONSTATE */	},	.voltdm           = { .name = "core" },};static struct powerdomain dss_pwrdm = {	.name		  = "dss_pwrdm",	.prcm_offs	  = OMAP3430_DSS_MOD,	.pwrsts		  = PWRSTS_OFF_RET_ON,	.pwrsts_logic_ret = PWRSTS_RET,	.banks		  = 1,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_RET, /* MEMRETSTATE */	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_ON,  /* MEMONSTATE */	},	.voltdm           = { .name = "core" },};static struct powerdomain dss_am35x_pwrdm = {	.name		  = "dss_pwrdm",	.prcm_offs	  = OMAP3430_DSS_MOD,	.pwrsts		  = PWRSTS_ON,	.pwrsts_logic_ret = PWRSTS_ON,	.banks		  = 1,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_ON, /* MEMRETSTATE */	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_ON,  /* MEMONSTATE */	},	.voltdm           = { .name = "core" },};/* * Although the 34XX TRM Rev K Table 4-371 notes that retention is a * possible SGX powerstate, the SGX device itself does not support * retention. */static struct powerdomain sgx_pwrdm = {	.name		  = "sgx_pwrdm",	.prcm_offs	  = OMAP3430ES2_SGX_MOD,	/* XXX This is accurate for 3430 SGX, but what about GFX? */	.pwrsts		  = PWRSTS_OFF_ON,	.pwrsts_logic_ret = PWRSTS_RET,	.banks		  = 1,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_RET, /* MEMRETSTATE */	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_ON,  /* MEMONSTATE */	},	.voltdm           = { .name = "core" },};static struct powerdomain sgx_am35x_pwrdm = {	.name		  = "sgx_pwrdm",	.prcm_offs	  = OMAP3430ES2_SGX_MOD,	.pwrsts		  = PWRSTS_ON,	.pwrsts_logic_ret = PWRSTS_ON,	.banks		  = 1,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_ON, /* MEMRETSTATE */	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_ON,  /* MEMONSTATE */	},	.voltdm           = { .name = "core" },};static struct powerdomain cam_pwrdm = {	.name		  = "cam_pwrdm",	.prcm_offs	  = OMAP3430_CAM_MOD,	.pwrsts		  = PWRSTS_OFF_RET_ON,	.pwrsts_logic_ret = PWRSTS_RET,	.banks		  = 1,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_RET, /* MEMRETSTATE */	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_ON,  /* MEMONSTATE */	},	.voltdm           = { .name = "core" },};static struct powerdomain per_pwrdm = {	.name		  = "per_pwrdm",	.prcm_offs	  = OMAP3430_PER_MOD,	.pwrsts		  = PWRSTS_OFF_RET_ON,	.pwrsts_logic_ret = PWRSTS_OFF_RET,	.banks		  = 1,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_RET, /* MEMRETSTATE */	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_ON,  /* MEMONSTATE */	},	.voltdm           = { .name = "core" },};static struct powerdomain per_am35x_pwrdm = {	.name		  = "per_pwrdm",	.prcm_offs	  = OMAP3430_PER_MOD,	.pwrsts		  = PWRSTS_ON,	.pwrsts_logic_ret = PWRSTS_ON,	.banks		  = 1,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_ON, /* MEMRETSTATE */	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_ON,  /* MEMONSTATE */	},	.voltdm           = { .name = "core" },};static struct powerdomain emu_pwrdm = {	.name		= "emu_pwrdm",	.prcm_offs	= OMAP3430_EMU_MOD,	.voltdm           = { .name = "core" },};static struct powerdomain neon_pwrdm = {	.name		  = "neon_pwrdm",	.prcm_offs	  = OMAP3430_NEON_MOD,	.pwrsts		  = PWRSTS_OFF_RET_ON,	.pwrsts_logic_ret = PWRSTS_RET,	.voltdm           = { .name = "mpu_iva" },};static struct powerdomain neon_am35x_pwrdm = {	.name		  = "neon_pwrdm",	.prcm_offs	  = OMAP3430_NEON_MOD,	.pwrsts		  = PWRSTS_ON,	.pwrsts_logic_ret = PWRSTS_ON,	.voltdm           = { .name = "mpu_iva" },};static struct powerdomain usbhost_pwrdm = {	.name		  = "usbhost_pwrdm",	.prcm_offs	  = OMAP3430ES2_USBHOST_MOD,	.pwrsts		  = PWRSTS_OFF_RET_ON,	.pwrsts_logic_ret = PWRSTS_RET,	/*	 * REVISIT: Enabling usb host save and restore mechanism seems to	 * leave the usb host domain permanently in ACTIVE mode after	 * changing the usb host power domain state from OFF to active once.	 * Disabling for now.	 */	/*.flags	  = PWRDM_HAS_HDWR_SAR,*/ /* for USBHOST ctrlr only */	.banks		  = 1,	.pwrsts_mem_ret	  = {		[0] = PWRSTS_RET, /* MEMRETSTATE */	},	.pwrsts_mem_on	  = {		[0] = PWRSTS_ON,  /* MEMONSTATE */	},	.voltdm           = { .name = "core" },};static struct powerdomain dpll1_pwrdm = {	.name		= "dpll1_pwrdm",	.prcm_offs	= MPU_MOD,	.voltdm           = { .name = "mpu_iva" },};static struct powerdomain dpll2_pwrdm = {	.name		= "dpll2_pwrdm",	.prcm_offs	= OMAP3430_IVA2_MOD,	.voltdm           = { .name = "mpu_iva" },};static struct powerdomain dpll3_pwrdm = {	.name		= "dpll3_pwrdm",	.prcm_offs	= PLL_MOD,	.voltdm           = { .name = "core" },};static struct powerdomain dpll4_pwrdm = {	.name		= "dpll4_pwrdm",	.prcm_offs	= PLL_MOD,	.voltdm           = { .name = "core" },};static struct powerdomain dpll5_pwrdm = {	.name		= "dpll5_pwrdm",	.prcm_offs	= PLL_MOD,	.voltdm           = { .name = "core" },};/* As powerdomains are added or removed above, this list must also be changed */static struct powerdomain *powerdomains_omap3430_common[] __initdata = {	&wkup_omap2_pwrdm,	&iva2_pwrdm,	&mpu_3xxx_pwrdm,	&neon_pwrdm,	&cam_pwrdm,	&dss_pwrdm,	&per_pwrdm,	&emu_pwrdm,	&dpll1_pwrdm,	&dpll2_pwrdm,	&dpll3_pwrdm,	&dpll4_pwrdm,	NULL};static struct powerdomain *powerdomains_omap3430es1[] __initdata = {	&gfx_omap2_pwrdm,	&core_3xxx_pre_es3_1_pwrdm,	NULL};/* also includes 3630ES1.0 */static struct powerdomain *powerdomains_omap3430es2_es3_0[] __initdata = {	&core_3xxx_pre_es3_1_pwrdm,	&sgx_pwrdm,	&usbhost_pwrdm,	&dpll5_pwrdm,	NULL};/* also includes 3630ES1.1+ */static struct powerdomain *powerdomains_omap3430es3_1plus[] __initdata = {	&core_3xxx_es3_1_pwrdm,	&sgx_pwrdm,	&usbhost_pwrdm,	&dpll5_pwrdm,	NULL};static struct powerdomain *powerdomains_am35x[] __initdata = {	&wkup_omap2_pwrdm,	&mpu_am35x_pwrdm,	&neon_am35x_pwrdm,	&core_am35x_pwrdm,	&sgx_am35x_pwrdm,	&dss_am35x_pwrdm,	&per_am35x_pwrdm,	&emu_pwrdm,	&dpll1_pwrdm,	&dpll3_pwrdm,	&dpll4_pwrdm,	&dpll5_pwrdm,	NULL};void __init omap3xxx_powerdomains_init(void){	unsigned int rev;	if (!cpu_is_omap34xx())		return;	pwrdm_register_platform_funcs(&omap3_pwrdm_operations);	rev = omap_rev();	if (rev == AM35XX_REV_ES1_0 || rev == AM35XX_REV_ES1_1) {		pwrdm_register_pwrdms(powerdomains_am35x);	} else {		pwrdm_register_pwrdms(powerdomains_omap3430_common);		switch (rev) {		case OMAP3430_REV_ES1_0:			pwrdm_register_pwrdms(powerdomains_omap3430es1);			break;		case OMAP3430_REV_ES2_0:		case OMAP3430_REV_ES2_1:		case OMAP3430_REV_ES3_0:		case OMAP3630_REV_ES1_0:			pwrdm_register_pwrdms(powerdomains_omap3430es2_es3_0);			break;		case OMAP3430_REV_ES3_1:		case OMAP3430_REV_ES3_1_2:		case OMAP3630_REV_ES1_1:		case OMAP3630_REV_ES1_2:			pwrdm_register_pwrdms(powerdomains_omap3430es3_1plus);			break;		default:			WARN(1, "OMAP3 powerdomain init: unknown chip type\n");		}	}	pwrdm_complete_init();}
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