[people/ms/linux.git] / arch / arm / mach-omap2 / powerdomains43xx_data.c

/*
 * AM43xx Power domains framework
 *
 * Copyright (C) 2013 Texas Instruments, Inc.
 *
 * 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 <asm/pgtable.h>

#include "powerdomain.h"

#include "prcm-common.h"
#include "prcm44xx.h"
#include "prcm43xx.h"

static struct powerdomain gfx_43xx_pwrdm = {
	.name		  = "gfx_pwrdm",
	.voltdm		  = { .name = "core" },
	.prcm_offs	  = AM43XX_PRM_GFX_INST,
	.prcm_partition	  = AM43XX_PRM_PARTITION,
	.pwrsts		  = PWRSTS_OFF_ON,
	.banks		  = 1,
	.pwrsts_mem_on	= {
		[0] = PWRSTS_ON,	/* gfx_mem */
	},
	.flags		  = PWRDM_HAS_LOWPOWERSTATECHANGE,
};

static struct powerdomain mpu_43xx_pwrdm = {
	.name		  = "mpu_pwrdm",
	.voltdm		  = { .name = "mpu" },
	.prcm_offs	  = AM43XX_PRM_MPU_INST,
	.prcm_partition	  = AM43XX_PRM_PARTITION,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_OFF_RET,
	.banks		  = 3,
	.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 */
	},
	.flags		  = PWRDM_HAS_LOWPOWERSTATECHANGE,
};

static struct powerdomain rtc_43xx_pwrdm = {
	.name		  = "rtc_pwrdm",
	.voltdm		  = { .name = "rtc" },
	.prcm_offs	  = AM43XX_PRM_RTC_INST,
	.prcm_partition	  = AM43XX_PRM_PARTITION,
	.pwrsts		  = PWRSTS_ON,
};

static struct powerdomain wkup_43xx_pwrdm = {
	.name		  = "wkup_pwrdm",
	.voltdm		  = { .name = "core" },
	.prcm_offs	  = AM43XX_PRM_WKUP_INST,
	.prcm_partition	  = AM43XX_PRM_PARTITION,
	.pwrsts		  = PWRSTS_ON,
	.banks		  = 1,
	.pwrsts_mem_on	= {
		[0] = PWRSTS_ON,	/* debugss_mem */
	},
};

static struct powerdomain tamper_43xx_pwrdm = {
	.name		  = "tamper_pwrdm",
	.voltdm		  = { .name = "tamper" },
	.prcm_offs	  = AM43XX_PRM_TAMPER_INST,
	.prcm_partition	  = AM43XX_PRM_PARTITION,
	.pwrsts		  = PWRSTS_ON,
};

static struct powerdomain cefuse_43xx_pwrdm = {
	.name		  = "cefuse_pwrdm",
	.voltdm		  = { .name = "core" },
	.prcm_offs	  = AM43XX_PRM_CEFUSE_INST,
	.prcm_partition	  = AM43XX_PRM_PARTITION,
	.pwrsts		  = PWRSTS_OFF_ON,
	.flags		  = PWRDM_HAS_LOWPOWERSTATECHANGE,
};

static struct powerdomain per_43xx_pwrdm = {
	.name		  = "per_pwrdm",
	.voltdm		  = { .name = "core" },
	.prcm_offs	  = AM43XX_PRM_PER_INST,
	.prcm_partition	  = AM43XX_PRM_PARTITION,
	.pwrsts		  = PWRSTS_OFF_RET_ON,
	.pwrsts_logic_ret = PWRSTS_OFF_RET,
	.banks		  = 4,
	.pwrsts_mem_ret	= {
		[0] = PWRSTS_OFF_RET,	/* icss_mem */
		[1] = PWRSTS_OFF_RET,	/* per_mem */
		[2] = PWRSTS_OFF_RET,	/* ram1_mem */
		[3] = PWRSTS_OFF_RET,	/* ram2_mem */
	},
	.pwrsts_mem_on	= {
		[0] = PWRSTS_ON,	/* icss_mem */
		[1] = PWRSTS_ON,	/* per_mem */
		[2] = PWRSTS_ON,	/* ram1_mem */
		[3] = PWRSTS_ON,	/* ram2_mem */
	},
	.flags		  = PWRDM_HAS_LOWPOWERSTATECHANGE,
};

static struct powerdomain *powerdomains_am43xx[] __initdata = {
	&gfx_43xx_pwrdm,
	&mpu_43xx_pwrdm,
	&rtc_43xx_pwrdm,
	&wkup_43xx_pwrdm,
	&tamper_43xx_pwrdm,
	&cefuse_43xx_pwrdm,
	&per_43xx_pwrdm,
	NULL
};

static int am43xx_check_vcvp(void)
{
	return 0;
}

void __init am43xx_powerdomains_init(void)
{
	pax_open_kernel();
	*(void **)&omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp;
	pax_close_kernel();
	pwrdm_register_platform_funcs(&omap4_pwrdm_operations);
	pwrdm_register_pwrdms(powerdomains_am43xx);
	pwrdm_complete_init();
}
Commit	Line	Data
eadc62fc A	1	/*
	2	* AM43xx Power domains framework
	3	*
	4	* Copyright (C) 2013 Texas Instruments, Inc.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*/
	10
	11	#include <linux/kernel.h>
	12	#include <linux/init.h>
63d9c273	13	#include <asm/pgtable.h>
eadc62fc A	14
	15	#include "powerdomain.h"
	16
	17	#include "prcm-common.h"
	18	#include "prcm44xx.h"
	19	#include "prcm43xx.h"
	20
	21	static struct powerdomain gfx_43xx_pwrdm = {
	22	.name = "gfx_pwrdm",
	23	.voltdm = { .name = "core" },
	24	.prcm_offs = AM43XX_PRM_GFX_INST,
	25	.prcm_partition = AM43XX_PRM_PARTITION,
	26	.pwrsts = PWRSTS_OFF_ON,
	27	.banks = 1,
	28	.pwrsts_mem_on = {
	29	[0] = PWRSTS_ON, /* gfx_mem */
	30	},
	31	.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
	32	};
	33
	34	static struct powerdomain mpu_43xx_pwrdm = {
	35	.name = "mpu_pwrdm",
	36	.voltdm = { .name = "mpu" },
	37	.prcm_offs = AM43XX_PRM_MPU_INST,
	38	.prcm_partition = AM43XX_PRM_PARTITION,
	39	.pwrsts = PWRSTS_OFF_RET_ON,
	40	.pwrsts_logic_ret = PWRSTS_OFF_RET,
	41	.banks = 3,
	42	.pwrsts_mem_ret = {
	43	[0] = PWRSTS_OFF_RET, /* mpu_l1 */
	44	[1] = PWRSTS_OFF_RET, /* mpu_l2 */
	45	[2] = PWRSTS_OFF_RET, /* mpu_ram */
	46	},
	47	.pwrsts_mem_on = {
	48	[0] = PWRSTS_ON, /* mpu_l1 */
	49	[1] = PWRSTS_ON, /* mpu_l2 */
	50	[2] = PWRSTS_ON, /* mpu_ram */
	51	},
	52	.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
	53	};
	54
	55	static struct powerdomain rtc_43xx_pwrdm = {
	56	.name = "rtc_pwrdm",
	57	.voltdm = { .name = "rtc" },
	58	.prcm_offs = AM43XX_PRM_RTC_INST,
	59	.prcm_partition = AM43XX_PRM_PARTITION,
	60	.pwrsts = PWRSTS_ON,
	61	};
	62
	63	static struct powerdomain wkup_43xx_pwrdm = {
	64	.name = "wkup_pwrdm",
	65	.voltdm = { .name = "core" },
	66	.prcm_offs = AM43XX_PRM_WKUP_INST,
	67	.prcm_partition = AM43XX_PRM_PARTITION,
	68	.pwrsts = PWRSTS_ON,
	69	.banks = 1,
	70	.pwrsts_mem_on = {
	71	[0] = PWRSTS_ON, /* debugss_mem */
	72	},
	73	};
	74
	75	static struct powerdomain tamper_43xx_pwrdm = {
	76	.name = "tamper_pwrdm",
	77	.voltdm = { .name = "tamper" },
78	.prcm_offs = AM43XX_PRM_TAMPER_INST,
79	.prcm_partition = AM43XX_PRM_PARTITION,
80	.pwrsts = PWRSTS_ON,
81	};
82
83	static struct powerdomain cefuse_43xx_pwrdm = {
84	.name = "cefuse_pwrdm",
85	.voltdm = { .name = "core" },
86	.prcm_offs = AM43XX_PRM_CEFUSE_INST,
87	.prcm_partition = AM43XX_PRM_PARTITION,
88	.pwrsts = PWRSTS_OFF_ON,
89	.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
90	};
91
92	static struct powerdomain per_43xx_pwrdm = {
93	.name = "per_pwrdm",
94	.voltdm = { .name = "core" },
95	.prcm_offs = AM43XX_PRM_PER_INST,
96	.prcm_partition = AM43XX_PRM_PARTITION,
97	.pwrsts = PWRSTS_OFF_RET_ON,
98	.pwrsts_logic_ret = PWRSTS_OFF_RET,
99	.banks = 4,
100	.pwrsts_mem_ret = {
101	[0] = PWRSTS_OFF_RET, /* icss_mem */
102	[1] = PWRSTS_OFF_RET, /* per_mem */
103	[2] = PWRSTS_OFF_RET, /* ram1_mem */
104	[3] = PWRSTS_OFF_RET, /* ram2_mem */
105	},
106	.pwrsts_mem_on = {
107	[0] = PWRSTS_ON, /* icss_mem */
108	[1] = PWRSTS_ON, /* per_mem */
109	[2] = PWRSTS_ON, /* ram1_mem */
110	[3] = PWRSTS_ON, /* ram2_mem */
111	},
112	.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
113	};
114
115	static struct powerdomain *powerdomains_am43xx[] __initdata = {
116	&gfx_43xx_pwrdm,
117	&mpu_43xx_pwrdm,
118	&rtc_43xx_pwrdm,
119	&wkup_43xx_pwrdm,
120	&tamper_43xx_pwrdm,
121	&cefuse_43xx_pwrdm,
122	&per_43xx_pwrdm,
123	NULL
124	};
125
126	static int am43xx_check_vcvp(void)
127	{
128	return 0;
129	}
130
131	void __init am43xx_powerdomains_init(void)
132	{
63d9c273 MT	133	pax_open_kernel();
	134	(void *)&omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp;
	135	pax_close_kernel();
eadc62fc A	136	pwrdm_register_platform_funcs(&omap4_pwrdm_operations);
	137	pwrdm_register_pwrdms(powerdomains_am43xx);
	138	pwrdm_complete_init();
	139	}