mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 21:24:00 +08:00
eadc62fc43
Add the data file to describe all power domains in AM43x SoC. OMAP4 powerdomain operations is being reused here. Signed-off-by: Ambresh K <ambresh@ti.com> Signed-off-by: Afzal Mohammed <afzal@ti.com> Acked-by: Rajendra Nayak <rnayak@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
137 lines
3.4 KiB
C
137 lines
3.4 KiB
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 "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)
|
|
{
|
|
omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp;
|
|
pwrdm_register_platform_funcs(&omap4_pwrdm_operations);
|
|
pwrdm_register_pwrdms(powerdomains_am43xx);
|
|
pwrdm_complete_init();
|
|
}
|