ARM: shmobile: r8a7740: add A4S pm domain support
This patch adds basic A4S pm domain support.
Now, below devices can be controled by PM
Common-SHwy, Common-HPB, BSC, MFI, MMFROM, HS-SHwy,
SYS-HPB, INTCA, DBSC, DDRPHY (Logic),
ATAPI, GbEther, AXI-bus
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-07-05 08:25:58 +00:00
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/*
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* r8a7740 power management support
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*
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* Copyright (C) 2012 Renesas Solutions Corp.
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* Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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ARM: shmobile: r8a7740: add A3SP pm domain support
This patch adds basic A3SP pm domain support.
Now, below devices can be controled by PM
DMAC1/2/3, IPMMU, DDM, FLCTL, SYS-HPB, BBIF1, MSIOF1/2,
SCIFA,SCIFB, IIC1, IrDA, USBH, USBDMAC, SDHI0/1/2, TPU,
DREQPAK (Sys), MMCIF, RSPI, SIM, USBF
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-07-05 08:26:31 +00:00
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#include <linux/console.h>
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2012-12-05 12:13:07 +00:00
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#include <linux/suspend.h>
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2014-06-17 07:47:37 +00:00
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#include "common.h"
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2014-06-17 07:47:45 +00:00
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#include "pm-rmobile.h"
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ARM: shmobile: r8a7740: add A4S pm domain support
This patch adds basic A4S pm domain support.
Now, below devices can be controled by PM
Common-SHwy, Common-HPB, BSC, MFI, MMFROM, HS-SHwy,
SYS-HPB, INTCA, DBSC, DDRPHY (Logic),
ATAPI, GbEther, AXI-bus
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-07-05 08:25:58 +00:00
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2014-08-25 03:36:53 +00:00
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#if defined(CONFIG_PM) && !defined(CONFIG_ARCH_MULTIPLATFORM)
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ARM: shmobile: r8a7740: add A4S pm domain support
This patch adds basic A4S pm domain support.
Now, below devices can be controled by PM
Common-SHwy, Common-HPB, BSC, MFI, MMFROM, HS-SHwy,
SYS-HPB, INTCA, DBSC, DDRPHY (Logic),
ATAPI, GbEther, AXI-bus
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-07-05 08:25:58 +00:00
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static int r8a7740_pd_a4s_suspend(void)
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{
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/*
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* The A4S domain contains the CPU core and therefore it should
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2014-09-16 19:58:03 +00:00
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* only be turned off if the CPU is not in use.
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ARM: shmobile: r8a7740: add A4S pm domain support
This patch adds basic A4S pm domain support.
Now, below devices can be controled by PM
Common-SHwy, Common-HPB, BSC, MFI, MMFROM, HS-SHwy,
SYS-HPB, INTCA, DBSC, DDRPHY (Logic),
ATAPI, GbEther, AXI-bus
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-07-05 08:25:58 +00:00
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*/
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return -EBUSY;
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}
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ARM: shmobile: r8a7740: add A3SP pm domain support
This patch adds basic A3SP pm domain support.
Now, below devices can be controled by PM
DMAC1/2/3, IPMMU, DDM, FLCTL, SYS-HPB, BBIF1, MSIOF1/2,
SCIFA,SCIFB, IIC1, IrDA, USBH, USBDMAC, SDHI0/1/2, TPU,
DREQPAK (Sys), MMCIF, RSPI, SIM, USBF
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-07-05 08:26:31 +00:00
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static int r8a7740_pd_a3sp_suspend(void)
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{
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/*
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* Serial consoles make use of SCIF hardware located in A3SP,
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* keep such power domain on if "no_console_suspend" is set.
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*/
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return console_suspend_enabled ? 0 : -EBUSY;
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}
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2014-10-23 11:18:58 +00:00
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static int r8a7740_pd_d4_suspend(void)
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{
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/*
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* The D4 domain contains the Coresight-ETM hardware block and
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* therefore it should only be turned off if the debug module is
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* not in use.
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*/
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return -EBUSY;
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}
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2012-08-06 23:13:37 +00:00
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static struct rmobile_pm_domain r8a7740_pm_domains[] = {
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{
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2014-08-29 13:26:22 +00:00
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.genpd.name = "A4LC",
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.bit_shift = 1,
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2014-10-23 11:18:57 +00:00
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}, {
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.genpd.name = "A4MP",
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.bit_shift = 2,
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2014-10-23 11:18:58 +00:00
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}, {
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.genpd.name = "D4",
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.bit_shift = 3,
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.gov = &pm_domain_always_on_gov,
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.suspend = r8a7740_pd_d4_suspend,
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2014-10-23 11:18:55 +00:00
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}, {
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.genpd.name = "A3RV",
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.bit_shift = 6,
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2014-08-29 13:26:22 +00:00
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}, {
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2012-08-06 23:13:37 +00:00
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.genpd.name = "A4S",
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.bit_shift = 10,
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.gov = &pm_domain_always_on_gov,
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.no_debug = true,
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.suspend = r8a7740_pd_a4s_suspend,
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2014-08-29 13:26:22 +00:00
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}, {
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2012-08-06 23:13:37 +00:00
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.genpd.name = "A3SP",
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.bit_shift = 11,
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.gov = &pm_domain_always_on_gov,
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.no_debug = true,
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.suspend = r8a7740_pd_a3sp_suspend,
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2014-10-23 11:18:56 +00:00
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}, {
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.genpd.name = "A3SG",
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.bit_shift = 13,
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2012-08-06 23:13:37 +00:00
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},
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ARM: shmobile: r8a7740: add A3SP pm domain support
This patch adds basic A3SP pm domain support.
Now, below devices can be controled by PM
DMAC1/2/3, IPMMU, DDM, FLCTL, SYS-HPB, BBIF1, MSIOF1/2,
SCIFA,SCIFB, IIC1, IrDA, USBH, USBDMAC, SDHI0/1/2, TPU,
DREQPAK (Sys), MMCIF, RSPI, SIM, USBF
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-07-05 08:26:31 +00:00
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};
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2012-08-06 23:13:37 +00:00
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void __init r8a7740_init_pm_domains(void)
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{
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rmobile_init_domains(r8a7740_pm_domains, ARRAY_SIZE(r8a7740_pm_domains));
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pm_genpd_add_subdomain_names("A4S", "A3SP");
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2014-10-23 11:18:56 +00:00
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pm_genpd_add_subdomain_names("A4S", "A3SG");
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2012-08-06 23:13:37 +00:00
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}
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2014-08-25 03:36:53 +00:00
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#endif /* CONFIG_PM && !CONFIG_ARCH_MULTIPLATFORM */
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2012-12-05 12:13:07 +00:00
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#ifdef CONFIG_SUSPEND
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static int r8a7740_enter_suspend(suspend_state_t suspend_state)
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{
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cpu_do_idle();
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return 0;
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}
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static void r8a7740_suspend_init(void)
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{
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shmobile_suspend_ops.enter = r8a7740_enter_suspend;
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}
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#else
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static void r8a7740_suspend_init(void) {}
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#endif
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void __init r8a7740_pm_init(void)
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{
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r8a7740_suspend_init();
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}
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