186 lines
		
	
	
	
		
			5.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			186 lines
		
	
	
	
		
			5.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * AM33XX Power domain data | ||
|  |  * | ||
|  |  * Copyright (C) 2011-2012 Texas Instruments Incorporated - http://www.ti.com/
 | ||
|  |  * | ||
|  |  * This program is free software; you can redistribute it and/or | ||
|  |  * modify it under the terms of the GNU General Public License as | ||
|  |  * published by the Free Software Foundation version 2. | ||
|  |  * | ||
|  |  * This program is distributed "as is" WITHOUT ANY WARRANTY of any | ||
|  |  * kind, whether express or implied; without even the implied warranty | ||
|  |  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||
|  |  * GNU General Public License for more details. | ||
|  |  */ | ||
|  | 
 | ||
|  | #include <linux/kernel.h>
 | ||
|  | #include <linux/init.h>
 | ||
|  | 
 | ||
|  | #include "powerdomain.h"
 | ||
|  | #include "prcm-common.h"
 | ||
|  | #include "prm-regbits-33xx.h"
 | ||
|  | #include "prm33xx.h"
 | ||
|  | 
 | ||
|  | static struct powerdomain gfx_33xx_pwrdm = { | ||
|  | 	.name			= "gfx_pwrdm", | ||
|  | 	.voltdm			= { .name = "core" }, | ||
|  | 	.prcm_offs		= AM33XX_PRM_GFX_MOD, | ||
|  | 	.pwrstctrl_offs		= AM33XX_PM_GFX_PWRSTCTRL_OFFSET, | ||
|  | 	.pwrstst_offs		= AM33XX_PM_GFX_PWRSTST_OFFSET, | ||
|  | 	.pwrsts			= PWRSTS_OFF_RET_ON, | ||
|  | 	.pwrsts_logic_ret	= PWRSTS_OFF_RET, | ||
|  | 	.flags			= PWRDM_HAS_LOWPOWERSTATECHANGE, | ||
|  | 	.banks			= 1, | ||
|  | 	.logicretstate_mask	= AM33XX_LOGICRETSTATE_MASK, | ||
|  | 	.mem_on_mask		= { | ||
|  | 		[0]		= AM33XX_GFX_MEM_ONSTATE_MASK,	/* gfx_mem */ | ||
|  | 	}, | ||
|  | 	.mem_ret_mask		= { | ||
|  | 		[0]		= AM33XX_GFX_MEM_RETSTATE_MASK,	/* gfx_mem */ | ||
|  | 	}, | ||
|  | 	.mem_pwrst_mask		= { | ||
|  | 		[0]		= AM33XX_GFX_MEM_STATEST_MASK,	/* gfx_mem */ | ||
|  | 	}, | ||
|  | 	.mem_retst_mask		= { | ||
|  | 		[0]		= AM33XX_GFX_MEM_RETSTATE_MASK,	/* gfx_mem */ | ||
|  | 	}, | ||
|  | 	.pwrsts_mem_ret		= { | ||
|  | 		[0]		= PWRSTS_OFF_RET,	/* gfx_mem */ | ||
|  | 	}, | ||
|  | 	.pwrsts_mem_on		= { | ||
|  | 		[0]		= PWRSTS_ON,		/* gfx_mem */ | ||
|  | 	}, | ||
|  | }; | ||
|  | 
 | ||
|  | static struct powerdomain rtc_33xx_pwrdm = { | ||
|  | 	.name			= "rtc_pwrdm", | ||
|  | 	.voltdm			= { .name = "rtc" }, | ||
|  | 	.prcm_offs		= AM33XX_PRM_RTC_MOD, | ||
|  | 	.pwrstctrl_offs		= AM33XX_PM_RTC_PWRSTCTRL_OFFSET, | ||
|  | 	.pwrstst_offs		= AM33XX_PM_RTC_PWRSTST_OFFSET, | ||
|  | 	.pwrsts			= PWRSTS_ON, | ||
|  | 	.logicretstate_mask	= AM33XX_LOGICRETSTATE_MASK, | ||
|  | }; | ||
|  | 
 | ||
|  | static struct powerdomain wkup_33xx_pwrdm = { | ||
|  | 	.name			= "wkup_pwrdm", | ||
|  | 	.voltdm			= { .name = "core" }, | ||
|  | 	.prcm_offs		= AM33XX_PRM_WKUP_MOD, | ||
|  | 	.pwrstctrl_offs		= AM33XX_PM_WKUP_PWRSTCTRL_OFFSET, | ||
|  | 	.pwrstst_offs		= AM33XX_PM_WKUP_PWRSTST_OFFSET, | ||
|  | 	.pwrsts			= PWRSTS_ON, | ||
|  | 	.logicretstate_mask	= AM33XX_LOGICRETSTATE_3_3_MASK, | ||
|  | }; | ||
|  | 
 | ||
|  | static struct powerdomain per_33xx_pwrdm = { | ||
|  | 	.name			= "per_pwrdm", | ||
|  | 	.voltdm			= { .name = "core" }, | ||
|  | 	.prcm_offs		= AM33XX_PRM_PER_MOD, | ||
|  | 	.pwrstctrl_offs		= AM33XX_PM_PER_PWRSTCTRL_OFFSET, | ||
|  | 	.pwrstst_offs		= AM33XX_PM_PER_PWRSTST_OFFSET, | ||
|  | 	.pwrsts			= PWRSTS_OFF_RET_ON, | ||
|  | 	.pwrsts_logic_ret	= PWRSTS_OFF_RET, | ||
|  | 	.flags			= PWRDM_HAS_LOWPOWERSTATECHANGE, | ||
|  | 	.banks			= 3, | ||
|  | 	.logicretstate_mask	= AM33XX_LOGICRETSTATE_3_3_MASK, | ||
|  | 	.mem_on_mask		= { | ||
|  | 		[0]		= AM33XX_PRUSS_MEM_ONSTATE_MASK, /* pruss_mem */ | ||
|  | 		[1]		= AM33XX_PER_MEM_ONSTATE_MASK,	/* per_mem */ | ||
|  | 		[2]		= AM33XX_RAM_MEM_ONSTATE_MASK,	/* ram_mem */ | ||
|  | 	}, | ||
|  | 	.mem_ret_mask		= { | ||
|  | 		[0]		= AM33XX_PRUSS_MEM_RETSTATE_MASK, /* pruss_mem */ | ||
|  | 		[1]		= AM33XX_PER_MEM_RETSTATE_MASK,	/* per_mem */ | ||
|  | 		[2]		= AM33XX_RAM_MEM_RETSTATE_MASK,	/* ram_mem */ | ||
|  | 	}, | ||
|  | 	.mem_pwrst_mask		= { | ||
|  | 		[0]		= AM33XX_PRUSS_MEM_STATEST_MASK, /* pruss_mem */ | ||
|  | 		[1]		= AM33XX_PER_MEM_STATEST_MASK,	/* per_mem */ | ||
|  | 		[2]		= AM33XX_RAM_MEM_STATEST_MASK,	/* ram_mem */ | ||
|  | 	}, | ||
|  | 	.mem_retst_mask		= { | ||
|  | 		[0]		= AM33XX_PRUSS_MEM_RETSTATE_MASK, /* pruss_mem */ | ||
|  | 		[1]		= AM33XX_PER_MEM_RETSTATE_MASK,	/* per_mem */ | ||
|  | 		[2]		= AM33XX_RAM_MEM_RETSTATE_MASK,	/* ram_mem */ | ||
|  | 	}, | ||
|  | 	.pwrsts_mem_ret		= { | ||
|  | 		[0]		= PWRSTS_OFF_RET,	/* pruss_mem */ | ||
|  | 		[1]		= PWRSTS_OFF_RET,	/* per_mem */ | ||
|  | 		[2]		= PWRSTS_OFF_RET,	/* ram_mem */ | ||
|  | 	}, | ||
|  | 	.pwrsts_mem_on		= { | ||
|  | 		[0]		= PWRSTS_ON,		/* pruss_mem */ | ||
|  | 		[1]		= PWRSTS_ON,		/* per_mem */ | ||
|  | 		[2]		= PWRSTS_ON,		/* ram_mem */ | ||
|  | 	}, | ||
|  | }; | ||
|  | 
 | ||
|  | static struct powerdomain mpu_33xx_pwrdm = { | ||
|  | 	.name			= "mpu_pwrdm", | ||
|  | 	.voltdm			= { .name = "mpu" }, | ||
|  | 	.prcm_offs		= AM33XX_PRM_MPU_MOD, | ||
|  | 	.pwrstctrl_offs		= AM33XX_PM_MPU_PWRSTCTRL_OFFSET, | ||
|  | 	.pwrstst_offs		= AM33XX_PM_MPU_PWRSTST_OFFSET, | ||
|  | 	.pwrsts			= PWRSTS_OFF_RET_ON, | ||
|  | 	.pwrsts_logic_ret	= PWRSTS_OFF_RET, | ||
|  | 	.flags			= PWRDM_HAS_LOWPOWERSTATECHANGE, | ||
|  | 	.banks			= 3, | ||
|  | 	.logicretstate_mask	= AM33XX_LOGICRETSTATE_MASK, | ||
|  | 	.mem_on_mask		= { | ||
|  | 		[0]		= AM33XX_MPU_L1_ONSTATE_MASK,	/* mpu_l1 */ | ||
|  | 		[1]		= AM33XX_MPU_L2_ONSTATE_MASK,	/* mpu_l2 */ | ||
|  | 		[2]		= AM33XX_MPU_RAM_ONSTATE_MASK,	/* mpu_ram */ | ||
|  | 	}, | ||
|  | 	.mem_ret_mask		= { | ||
|  | 		[0]		= AM33XX_MPU_L1_RETSTATE_MASK,	/* mpu_l1 */ | ||
|  | 		[1]		= AM33XX_MPU_L2_RETSTATE_MASK,	/* mpu_l2 */ | ||
|  | 		[2]		= AM33XX_MPU_RAM_RETSTATE_MASK,	/* mpu_ram */ | ||
|  | 	}, | ||
|  | 	.mem_pwrst_mask		= { | ||
|  | 		[0]		= AM33XX_MPU_L1_STATEST_MASK,	/* mpu_l1 */ | ||
|  | 		[1]		= AM33XX_MPU_L2_STATEST_MASK,	/* mpu_l2 */ | ||
|  | 		[2]		= AM33XX_MPU_RAM_STATEST_MASK,	/* mpu_ram */ | ||
|  | 	}, | ||
|  | 	.mem_retst_mask		= { | ||
|  | 		[0]		= AM33XX_MPU_L1_RETSTATE_MASK,	/* mpu_l1 */ | ||
|  | 		[1]		= AM33XX_MPU_L2_RETSTATE_MASK,	/* mpu_l2 */ | ||
|  | 		[2]		= AM33XX_MPU_RAM_RETSTATE_MASK,	/* mpu_ram */ | ||
|  | 	}, | ||
|  | 	.pwrsts_mem_ret		= { | ||
|  | 		[0]		= PWRSTS_OFF_RET,	/* mpu_l1 */ | ||
|  | 		[1]		= PWRSTS_OFF_RET,	/* mpu_l2 */ | ||
|  | 		[2]		= PWRSTS_OFF_RET,	/* mpu_ram */ | ||
|  | 	}, | ||
|  | 	.pwrsts_mem_on		= { | ||
|  | 		[0]		= PWRSTS_ON,		/* mpu_l1 */ | ||
|  | 		[1]		= PWRSTS_ON,		/* mpu_l2 */ | ||
|  | 		[2]		= PWRSTS_ON,		/* mpu_ram */ | ||
|  | 	}, | ||
|  | }; | ||
|  | 
 | ||
|  | static struct powerdomain cefuse_33xx_pwrdm = { | ||
|  | 	.name		= "cefuse_pwrdm", | ||
|  | 	.voltdm		= { .name = "core" }, | ||
|  | 	.prcm_offs	= AM33XX_PRM_CEFUSE_MOD, | ||
|  | 	.pwrstctrl_offs	= AM33XX_PM_CEFUSE_PWRSTCTRL_OFFSET, | ||
|  | 	.pwrstst_offs	= AM33XX_PM_CEFUSE_PWRSTST_OFFSET, | ||
|  | 	.pwrsts		= PWRSTS_OFF_ON, | ||
|  | }; | ||
|  | 
 | ||
|  | static struct powerdomain *powerdomains_am33xx[] __initdata = { | ||
|  | 	&gfx_33xx_pwrdm, | ||
|  | 	&rtc_33xx_pwrdm, | ||
|  | 	&wkup_33xx_pwrdm, | ||
|  | 	&per_33xx_pwrdm, | ||
|  | 	&mpu_33xx_pwrdm, | ||
|  | 	&cefuse_33xx_pwrdm, | ||
|  | 	NULL, | ||
|  | }; | ||
|  | 
 | ||
|  | void __init am33xx_powerdomains_init(void) | ||
|  | { | ||
|  | 	pwrdm_register_platform_funcs(&am33xx_pwrdm_operations); | ||
|  | 	pwrdm_register_pwrdms(powerdomains_am33xx); | ||
|  | 	pwrdm_complete_init(); | ||
|  | } |