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-rw-r--r--drivers/soc/renesas/Kconfig47
-rw-r--r--drivers/soc/renesas/Makefile4
-rw-r--r--drivers/soc/renesas/r8a7743-sysc.c1
-rw-r--r--drivers/soc/renesas/r8a7745-sysc.c1
-rw-r--r--drivers/soc/renesas/r8a77470-sysc.c1
-rw-r--r--drivers/soc/renesas/r8a774a1-sysc.c1
-rw-r--r--drivers/soc/renesas/r8a774b1-sysc.c37
-rw-r--r--drivers/soc/renesas/r8a774c0-sysc.c4
-rw-r--r--drivers/soc/renesas/r8a7779-sysc.c1
-rw-r--r--drivers/soc/renesas/r8a7790-sysc.c1
-rw-r--r--drivers/soc/renesas/r8a7791-sysc.c1
-rw-r--r--drivers/soc/renesas/r8a7792-sysc.c1
-rw-r--r--drivers/soc/renesas/r8a7794-sysc.c1
-rw-r--r--drivers/soc/renesas/r8a7795-sysc.c33
-rw-r--r--drivers/soc/renesas/r8a7796-sysc.c30
-rw-r--r--drivers/soc/renesas/r8a77965-sysc.c4
-rw-r--r--drivers/soc/renesas/r8a77970-sysc.c4
-rw-r--r--drivers/soc/renesas/r8a77980-sysc.c4
-rw-r--r--drivers/soc/renesas/r8a77990-sysc.c4
-rw-r--r--drivers/soc/renesas/r8a77995-sysc.c1
-rw-r--r--drivers/soc/renesas/rcar-rst.c4
-rw-r--r--drivers/soc/renesas/rcar-sysc.c33
-rw-r--r--drivers/soc/renesas/rcar-sysc.h9
-rw-r--r--drivers/soc/renesas/renesas-soc.c15
-rw-r--r--drivers/soc/renesas/rmobile-sysc.c31
25 files changed, 218 insertions, 55 deletions
diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 2bbf49e5d441..ba2b8b51d2d9 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -55,6 +55,7 @@ config ARCH_EMEV2
config ARCH_R7S72100
bool "RZ/A1H (R7S72100)"
+ select ARM_ERRATA_754322
select PM
select PM_GENERIC_DOMAINS
select RENESAS_OSTM
@@ -72,12 +73,14 @@ config ARCH_R8A73A4
bool "R-Mobile APE6 (R8A73A40)"
select ARCH_RMOBILE
select ARM_ERRATA_798181 if SMP
+ select ARM_ERRATA_814220
select HAVE_ARM_ARCH_TIMER
select RENESAS_IRQC
config ARCH_R8A7740
bool "R-Mobile A1 (R8A77400)"
select ARCH_RMOBILE
+ select ARM_ERRATA_754322
select RENESAS_INTC_IRQPIN
config ARCH_R8A7743
@@ -95,20 +98,24 @@ config ARCH_R8A7744
config ARCH_R8A7745
bool "RZ/G1E (R8A77450)"
select ARCH_RCAR_GEN2
+ select ARM_ERRATA_814220
select SYSC_R8A7745
config ARCH_R8A77470
bool "RZ/G1C (R8A77470)"
select ARCH_RCAR_GEN2
+ select ARM_ERRATA_814220
select SYSC_R8A77470
config ARCH_R8A7778
bool "R-Car M1A (R8A77781)"
select ARCH_RCAR_GEN1
+ select ARM_ERRATA_754322
config ARCH_R8A7779
bool "R-Car H1 (R8A77790)"
select ARCH_RCAR_GEN1
+ select ARM_ERRATA_754322
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if SMP
select SYSC_R8A7779
@@ -117,6 +124,7 @@ config ARCH_R8A7790
bool "R-Car H2 (R8A77900)"
select ARCH_RCAR_GEN2
select ARM_ERRATA_798181 if SMP
+ select ARM_ERRATA_814220
select I2C
select SYSC_R8A7790
@@ -143,15 +151,18 @@ config ARCH_R8A7793
config ARCH_R8A7794
bool "R-Car E2 (R8A77940)"
select ARCH_RCAR_GEN2
+ select ARM_ERRATA_814220
select SYSC_R8A7794
config ARCH_R9A06G032
bool "RZ/N1D (R9A06G032)"
select ARCH_RZN1
+ select ARM_ERRATA_814220
config ARCH_SH73A0
bool "SH-Mobile AG5 (R8A73A00)"
select ARCH_RMOBILE
+ select ARM_ERRATA_754322
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if SMP
select RENESAS_INTC_IRQPIN
@@ -167,6 +178,13 @@ config ARCH_R8A774A1
help
This enables support for the Renesas RZ/G2M SoC.
+config ARCH_R8A774B1
+ bool "Renesas RZ/G2N SoC Platform"
+ select ARCH_RCAR_GEN3
+ select SYSC_R8A774B1
+ help
+ This enables support for the Renesas RZ/G2N SoC.
+
config ARCH_R8A774C0
bool "Renesas RZ/G2E SoC Platform"
select ARCH_RCAR_GEN3
@@ -174,20 +192,35 @@ config ARCH_R8A774C0
help
This enables support for the Renesas RZ/G2E SoC.
+config ARCH_R8A77950
+ bool
+
+config ARCH_R8A77951
+ bool
+
config ARCH_R8A7795
bool "Renesas R-Car H3 SoC Platform"
+ select ARCH_R8A77950
+ select ARCH_R8A77951
select ARCH_RCAR_GEN3
select SYSC_R8A7795
help
This enables support for the Renesas R-Car H3 SoC.
-config ARCH_R8A7796
+config ARCH_R8A77960
bool "Renesas R-Car M3-W SoC Platform"
select ARCH_RCAR_GEN3
- select SYSC_R8A7796
+ select SYSC_R8A77960
help
This enables support for the Renesas R-Car M3-W SoC.
+config ARCH_R8A77961
+ bool "Renesas R-Car M3-W+ SoC Platform"
+ select ARCH_RCAR_GEN3
+ select SYSC_R8A77961
+ help
+ This enables support for the Renesas R-Car M3-W+ SoC.
+
config ARCH_R8A77965
bool "Renesas R-Car M3-N SoC Platform"
select ARCH_RCAR_GEN3
@@ -242,6 +275,10 @@ config SYSC_R8A774A1
bool "RZ/G2M System Controller support" if COMPILE_TEST
select SYSC_RCAR
+config SYSC_R8A774B1
+ bool "RZ/G2N System Controller support" if COMPILE_TEST
+ select SYSC_RCAR
+
config SYSC_R8A774C0
bool "RZ/G2E System Controller support" if COMPILE_TEST
select SYSC_RCAR
@@ -270,10 +307,14 @@ config SYSC_R8A7795
bool "R-Car H3 System Controller support" if COMPILE_TEST
select SYSC_RCAR
-config SYSC_R8A7796
+config SYSC_R8A77960
bool "R-Car M3-W System Controller support" if COMPILE_TEST
select SYSC_RCAR
+config SYSC_R8A77961
+ bool "R-Car M3-W+ System Controller support" if COMPILE_TEST
+ select SYSC_RCAR
+
config SYSC_R8A77965
bool "R-Car M3-N System Controller support" if COMPILE_TEST
select SYSC_RCAR
diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile
index 00764d5a60b3..e595c3c3bd10 100644
--- a/drivers/soc/renesas/Makefile
+++ b/drivers/soc/renesas/Makefile
@@ -7,6 +7,7 @@ obj-$(CONFIG_SYSC_R8A7743) += r8a7743-sysc.o
obj-$(CONFIG_SYSC_R8A7745) += r8a7745-sysc.o
obj-$(CONFIG_SYSC_R8A77470) += r8a77470-sysc.o
obj-$(CONFIG_SYSC_R8A774A1) += r8a774a1-sysc.o
+obj-$(CONFIG_SYSC_R8A774B1) += r8a774b1-sysc.o
obj-$(CONFIG_SYSC_R8A774C0) += r8a774c0-sysc.o
obj-$(CONFIG_SYSC_R8A7779) += r8a7779-sysc.o
obj-$(CONFIG_SYSC_R8A7790) += r8a7790-sysc.o
@@ -14,7 +15,8 @@ obj-$(CONFIG_SYSC_R8A7791) += r8a7791-sysc.o
obj-$(CONFIG_SYSC_R8A7792) += r8a7792-sysc.o
obj-$(CONFIG_SYSC_R8A7794) += r8a7794-sysc.o
obj-$(CONFIG_SYSC_R8A7795) += r8a7795-sysc.o
-obj-$(CONFIG_SYSC_R8A7796) += r8a7796-sysc.o
+obj-$(CONFIG_SYSC_R8A77960) += r8a7796-sysc.o
+obj-$(CONFIG_SYSC_R8A77961) += r8a7796-sysc.o
obj-$(CONFIG_SYSC_R8A77965) += r8a77965-sysc.o
obj-$(CONFIG_SYSC_R8A77970) += r8a77970-sysc.o
obj-$(CONFIG_SYSC_R8A77980) += r8a77980-sysc.o
diff --git a/drivers/soc/renesas/r8a7743-sysc.c b/drivers/soc/renesas/r8a7743-sysc.c
index edf6436e879f..4e2c0ab951b3 100644
--- a/drivers/soc/renesas/r8a7743-sysc.c
+++ b/drivers/soc/renesas/r8a7743-sysc.c
@@ -5,7 +5,6 @@
* Copyright (C) 2016 Cogent Embedded Inc.
*/
-#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a7743-sysc.h>
diff --git a/drivers/soc/renesas/r8a7745-sysc.c b/drivers/soc/renesas/r8a7745-sysc.c
index 65dc6b09cc85..865821a2f0c6 100644
--- a/drivers/soc/renesas/r8a7745-sysc.c
+++ b/drivers/soc/renesas/r8a7745-sysc.c
@@ -5,7 +5,6 @@
* Copyright (C) 2016 Cogent Embedded Inc.
*/
-#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a7745-sysc.h>
diff --git a/drivers/soc/renesas/r8a77470-sysc.c b/drivers/soc/renesas/r8a77470-sysc.c
index cfa015e208ef..1eeb8018df50 100644
--- a/drivers/soc/renesas/r8a77470-sysc.c
+++ b/drivers/soc/renesas/r8a77470-sysc.c
@@ -5,7 +5,6 @@
* Copyright (C) 2018 Renesas Electronics Corp.
*/
-#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a77470-sysc.h>
diff --git a/drivers/soc/renesas/r8a774a1-sysc.c b/drivers/soc/renesas/r8a774a1-sysc.c
index 9db51ff6f5ed..38ac2c689ff0 100644
--- a/drivers/soc/renesas/r8a774a1-sysc.c
+++ b/drivers/soc/renesas/r8a774a1-sysc.c
@@ -7,7 +7,6 @@
* Copyright (C) 2016 Glider bvba
*/
-#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a774a1-sysc.h>
diff --git a/drivers/soc/renesas/r8a774b1-sysc.c b/drivers/soc/renesas/r8a774b1-sysc.c
new file mode 100644
index 000000000000..5f97ff26f3f8
--- /dev/null
+++ b/drivers/soc/renesas/r8a774b1-sysc.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2N System Controller
+ * Copyright (C) 2019 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car M3-W System Controller
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a774b1-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a774b1_areas[] __initconst = {
+ { "always-on", 0, 0, R8A774B1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca57-scu", 0x1c0, 0, R8A774B1_PD_CA57_SCU, R8A774B1_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca57-cpu0", 0x80, 0, R8A774B1_PD_CA57_CPU0, R8A774B1_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "ca57-cpu1", 0x80, 1, R8A774B1_PD_CA57_CPU1, R8A774B1_PD_CA57_SCU,
+ PD_CPU_NOCR },
+ { "a3vc", 0x380, 0, R8A774B1_PD_A3VC, R8A774B1_PD_ALWAYS_ON },
+ { "a3vp", 0x340, 0, R8A774B1_PD_A3VP, R8A774B1_PD_ALWAYS_ON },
+ { "a2vc1", 0x3c0, 1, R8A774B1_PD_A2VC1, R8A774B1_PD_A3VC },
+ { "3dg-a", 0x100, 0, R8A774B1_PD_3DG_A, R8A774B1_PD_ALWAYS_ON },
+ { "3dg-b", 0x100, 1, R8A774B1_PD_3DG_B, R8A774B1_PD_3DG_A },
+};
+
+const struct rcar_sysc_info r8a774b1_sysc_info __initconst = {
+ .areas = r8a774b1_areas,
+ .num_areas = ARRAY_SIZE(r8a774b1_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
+};
diff --git a/drivers/soc/renesas/r8a774c0-sysc.c b/drivers/soc/renesas/r8a774c0-sysc.c
index 11050e17ea81..c1c216f7d073 100644
--- a/drivers/soc/renesas/r8a774c0-sysc.c
+++ b/drivers/soc/renesas/r8a774c0-sysc.c
@@ -6,7 +6,7 @@
* Based on Renesas R-Car E3 System Controller
*/
-#include <linux/bug.h>
+#include <linux/bits.h>
#include <linux/kernel.h>
#include <linux/sys_soc.h>
@@ -50,4 +50,6 @@ const struct rcar_sysc_info r8a774c0_sysc_info __initconst = {
.init = r8a774c0_sysc_init,
.areas = r8a774c0_areas,
.num_areas = ARRAY_SIZE(r8a774c0_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
};
diff --git a/drivers/soc/renesas/r8a7779-sysc.c b/drivers/soc/renesas/r8a7779-sysc.c
index 517aa40fa6e6..e24a7151d55f 100644
--- a/drivers/soc/renesas/r8a7779-sysc.c
+++ b/drivers/soc/renesas/r8a7779-sysc.c
@@ -5,7 +5,6 @@
* Copyright (C) 2016 Glider bvba
*/
-#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a7779-sysc.h>
diff --git a/drivers/soc/renesas/r8a7790-sysc.c b/drivers/soc/renesas/r8a7790-sysc.c
index 9b5a6bb62152..b9afe7f6245b 100644
--- a/drivers/soc/renesas/r8a7790-sysc.c
+++ b/drivers/soc/renesas/r8a7790-sysc.c
@@ -5,7 +5,6 @@
* Copyright (C) 2016 Glider bvba
*/
-#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a7790-sysc.h>
diff --git a/drivers/soc/renesas/r8a7791-sysc.c b/drivers/soc/renesas/r8a7791-sysc.c
index acf545cdebfb..f00fa24522a3 100644
--- a/drivers/soc/renesas/r8a7791-sysc.c
+++ b/drivers/soc/renesas/r8a7791-sysc.c
@@ -5,7 +5,6 @@
* Copyright (C) 2016 Glider bvba
*/
-#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a7791-sysc.h>
diff --git a/drivers/soc/renesas/r8a7792-sysc.c b/drivers/soc/renesas/r8a7792-sysc.c
index 05b78525cc43..60aae242c43f 100644
--- a/drivers/soc/renesas/r8a7792-sysc.c
+++ b/drivers/soc/renesas/r8a7792-sysc.c
@@ -5,7 +5,6 @@
* Copyright (C) 2016 Cogent Embedded Inc.
*/
-#include <linux/bug.h>
#include <linux/init.h>
#include <linux/kernel.h>
diff --git a/drivers/soc/renesas/r8a7794-sysc.c b/drivers/soc/renesas/r8a7794-sysc.c
index 0d42637fa662..72ef4e85458f 100644
--- a/drivers/soc/renesas/r8a7794-sysc.c
+++ b/drivers/soc/renesas/r8a7794-sysc.c
@@ -5,7 +5,6 @@
* Copyright (C) 2016 Glider bvba
*/
-#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a7794-sysc.h>
diff --git a/drivers/soc/renesas/r8a7795-sysc.c b/drivers/soc/renesas/r8a7795-sysc.c
index cda27a67de98..91074411b8cf 100644
--- a/drivers/soc/renesas/r8a7795-sysc.c
+++ b/drivers/soc/renesas/r8a7795-sysc.c
@@ -5,7 +5,7 @@
* Copyright (C) 2016-2017 Glider bvba
*/
-#include <linux/bug.h>
+#include <linux/bits.h>
#include <linux/kernel.h>
#include <linux/sys_soc.h>
@@ -51,25 +51,46 @@ static struct rcar_sysc_area r8a7795_areas[] __initdata = {
/*
- * Fixups for R-Car H3 revisions after ES1.x
+ * Fixups for R-Car H3 revisions
*/
-static const struct soc_device_attribute r8a7795es1[] __initconst = {
- { .soc_id = "r8a7795", .revision = "ES1.*" },
+#define HAS_A2VC0 BIT(0) /* Power domain A2VC0 is present */
+#define NO_EXTMASK BIT(1) /* Missing SYSCEXTMASK register */
+
+static const struct soc_device_attribute r8a7795_quirks_match[] __initconst = {
+ {
+ .soc_id = "r8a7795", .revision = "ES1.*",
+ .data = (void *)(HAS_A2VC0 | NO_EXTMASK),
+ }, {
+ .soc_id = "r8a7795", .revision = "ES2.*",
+ .data = (void *)(NO_EXTMASK),
+ },
{ /* sentinel */ }
};
static int __init r8a7795_sysc_init(void)
{
- if (!soc_device_match(r8a7795es1))
+ const struct soc_device_attribute *attr;
+ u32 quirks = 0;
+
+ attr = soc_device_match(r8a7795_quirks_match);
+ if (attr)
+ quirks = (uintptr_t)attr->data;
+
+ if (!(quirks & HAS_A2VC0))
rcar_sysc_nullify(r8a7795_areas, ARRAY_SIZE(r8a7795_areas),
R8A7795_PD_A2VC0);
+ if (quirks & NO_EXTMASK)
+ r8a7795_sysc_info.extmask_val = 0;
+
return 0;
}
-const struct rcar_sysc_info r8a7795_sysc_info __initconst = {
+struct rcar_sysc_info r8a7795_sysc_info __initdata = {
.init = r8a7795_sysc_init,
.areas = r8a7795_areas,
.num_areas = ARRAY_SIZE(r8a7795_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
};
diff --git a/drivers/soc/renesas/r8a7796-sysc.c b/drivers/soc/renesas/r8a7796-sysc.c
index 1b06f868b6e8..471bd5b3b6ad 100644
--- a/drivers/soc/renesas/r8a7796-sysc.c
+++ b/drivers/soc/renesas/r8a7796-sysc.c
@@ -1,18 +1,19 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Renesas R-Car M3-W System Controller
+ * Renesas R-Car M3-W/W+ System Controller
*
* Copyright (C) 2016 Glider bvba
+ * Copyright (C) 2018-2019 Renesas Electronics Corporation
*/
-#include <linux/bug.h>
+#include <linux/bits.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a7796-sysc.h>
#include "rcar-sysc.h"
-static const struct rcar_sysc_area r8a7796_areas[] __initconst = {
+static struct rcar_sysc_area r8a7796_areas[] __initdata = {
{ "always-on", 0, 0, R8A7796_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
{ "ca57-scu", 0x1c0, 0, R8A7796_PD_CA57_SCU, R8A7796_PD_ALWAYS_ON,
PD_SCU },
@@ -39,7 +40,28 @@ static const struct rcar_sysc_area r8a7796_areas[] __initconst = {
{ "a3ir", 0x180, 0, R8A7796_PD_A3IR, R8A7796_PD_ALWAYS_ON },
};
-const struct rcar_sysc_info r8a7796_sysc_info __initconst = {
+
+#ifdef CONFIG_SYSC_R8A77960
+const struct rcar_sysc_info r8a77960_sysc_info __initconst = {
+ .areas = r8a7796_areas,
+ .num_areas = ARRAY_SIZE(r8a7796_areas),
+};
+#endif /* CONFIG_SYSC_R8A77960 */
+
+#ifdef CONFIG_SYSC_R8A77961
+static int __init r8a77961_sysc_init(void)
+{
+ rcar_sysc_nullify(r8a7796_areas, ARRAY_SIZE(r8a7796_areas),
+ R8A7796_PD_A2VC0);
+
+ return 0;
+}
+
+const struct rcar_sysc_info r8a77961_sysc_info __initconst = {
+ .init = r8a77961_sysc_init,
.areas = r8a7796_areas,
.num_areas = ARRAY_SIZE(r8a7796_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
};
+#endif /* CONFIG_SYSC_R8A77961 */
diff --git a/drivers/soc/renesas/r8a77965-sysc.c b/drivers/soc/renesas/r8a77965-sysc.c
index e0533beb50fd..ff0b0d116992 100644
--- a/drivers/soc/renesas/r8a77965-sysc.c
+++ b/drivers/soc/renesas/r8a77965-sysc.c
@@ -7,7 +7,7 @@
* Copyright (C) 2016 Glider bvba
*/
-#include <linux/bug.h>
+#include <linux/bits.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a77965-sysc.h>
@@ -33,4 +33,6 @@ static const struct rcar_sysc_area r8a77965_areas[] __initconst = {
const struct rcar_sysc_info r8a77965_sysc_info __initconst = {
.areas = r8a77965_areas,
.num_areas = ARRAY_SIZE(r8a77965_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
};
diff --git a/drivers/soc/renesas/r8a77970-sysc.c b/drivers/soc/renesas/r8a77970-sysc.c
index 280c48b80f24..706258250600 100644
--- a/drivers/soc/renesas/r8a77970-sysc.c
+++ b/drivers/soc/renesas/r8a77970-sysc.c
@@ -5,7 +5,7 @@
* Copyright (C) 2017 Cogent Embedded Inc.
*/
-#include <linux/bug.h>
+#include <linux/bits.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a77970-sysc.h>
@@ -32,4 +32,6 @@ static const struct rcar_sysc_area r8a77970_areas[] __initconst = {
const struct rcar_sysc_info r8a77970_sysc_info __initconst = {
.areas = r8a77970_areas,
.num_areas = ARRAY_SIZE(r8a77970_areas),
+ .extmask_offs = 0x1b0,
+ .extmask_val = BIT(0),
};
diff --git a/drivers/soc/renesas/r8a77980-sysc.c b/drivers/soc/renesas/r8a77980-sysc.c
index a8dbe55e8ba8..39ca84a67daa 100644
--- a/drivers/soc/renesas/r8a77980-sysc.c
+++ b/drivers/soc/renesas/r8a77980-sysc.c
@@ -6,7 +6,7 @@
* Copyright (C) 2018 Cogent Embedded, Inc.
*/
-#include <linux/bug.h>
+#include <linux/bits.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a77980-sysc.h>
@@ -49,4 +49,6 @@ static const struct rcar_sysc_area r8a77980_areas[] __initconst = {
const struct rcar_sysc_info r8a77980_sysc_info __initconst = {
.areas = r8a77980_areas,
.num_areas = ARRAY_SIZE(r8a77980_areas),
+ .extmask_offs = 0x138,
+ .extmask_val = BIT(0),
};
diff --git a/drivers/soc/renesas/r8a77990-sysc.c b/drivers/soc/renesas/r8a77990-sysc.c
index 664b244eb1dd..9f92737dc352 100644
--- a/drivers/soc/renesas/r8a77990-sysc.c
+++ b/drivers/soc/renesas/r8a77990-sysc.c
@@ -5,7 +5,7 @@
* Copyright (C) 2018 Renesas Electronics Corp.
*/
-#include <linux/bug.h>
+#include <linux/bits.h>
#include <linux/kernel.h>
#include <linux/sys_soc.h>
@@ -50,4 +50,6 @@ const struct rcar_sysc_info r8a77990_sysc_info __initconst = {
.init = r8a77990_sysc_init,
.areas = r8a77990_areas,
.num_areas = ARRAY_SIZE(r8a77990_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
};
diff --git a/drivers/soc/renesas/r8a77995-sysc.c b/drivers/soc/renesas/r8a77995-sysc.c
index 6243aaaf60fb..efcc67e3d76d 100644
--- a/drivers/soc/renesas/r8a77995-sysc.c
+++ b/drivers/soc/renesas/r8a77995-sysc.c
@@ -5,7 +5,6 @@
* Copyright (C) 2017 Glider bvba
*/
-#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a77995-sysc.h>
diff --git a/drivers/soc/renesas/rcar-rst.c b/drivers/soc/renesas/rcar-rst.c
index d183c381e8db..2af2e0dd83fe 100644
--- a/drivers/soc/renesas/rcar-rst.c
+++ b/drivers/soc/renesas/rcar-rst.c
@@ -21,7 +21,7 @@ static int rcar_rst_enable_wdt_reset(void __iomem *base)
struct rst_config {
unsigned int modemr; /* Mode Monitoring Register Offset */
- int (*configure)(void *base); /* Platform specific configuration */
+ int (*configure)(void __iomem *base); /* Platform specific config */
};
static const struct rst_config rcar_rst_gen1 __initconst = {
@@ -45,6 +45,7 @@ static const struct of_device_id rcar_rst_matches[] __initconst = {
{ .compatible = "renesas,r8a77470-rst", .data = &rcar_rst_gen2 },
/* RZ/G2 is handled like R-Car Gen3 */
{ .compatible = "renesas,r8a774a1-rst", .data = &rcar_rst_gen3 },
+ { .compatible = "renesas,r8a774b1-rst", .data = &rcar_rst_gen3 },
{ .compatible = "renesas,r8a774c0-rst", .data = &rcar_rst_gen3 },
/* R-Car Gen1 */
{ .compatible = "renesas,r8a7778-reset-wdt", .data = &rcar_rst_gen1 },
@@ -58,6 +59,7 @@ static const struct of_device_id rcar_rst_matches[] __initconst = {
/* R-Car Gen3 */
{ .compatible = "renesas,r8a7795-rst", .data = &rcar_rst_gen3 },
{ .compatible = "renesas,r8a7796-rst", .data = &rcar_rst_gen3 },
+ { .compatible = "renesas,r8a77961-rst", .data = &rcar_rst_gen3 },
{ .compatible = "renesas,r8a77965-rst", .data = &rcar_rst_gen3 },
{ .compatible = "renesas,r8a77970-rst", .data = &rcar_rst_gen3 },
{ .compatible = "renesas,r8a77980-rst", .data = &rcar_rst_gen3 },
diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c
index 0c80fab4f8de..f0b291e02b8a 100644
--- a/drivers/soc/renesas/rcar-sysc.c
+++ b/drivers/soc/renesas/rcar-sysc.c
@@ -63,6 +63,7 @@ struct rcar_sysc_ch {
static void __iomem *rcar_sysc_base;
static DEFINE_SPINLOCK(rcar_sysc_lock); /* SMP CPUs + I/O devices */
+static u32 rcar_sysc_extmask_offs, rcar_sysc_extmask_val;
static int rcar_sysc_pwr_on_off(const struct rcar_sysc_ch *sysc_ch, bool on)
{
@@ -106,6 +107,14 @@ static int rcar_sysc_power(const struct rcar_sysc_ch *sysc_ch, bool on)
spin_lock_irqsave(&rcar_sysc_lock, flags);
/*
+ * Mask external power requests for CPU or 3DG domains
+ */
+ if (rcar_sysc_extmask_val) {
+ iowrite32(rcar_sysc_extmask_val,
+ rcar_sysc_base + rcar_sysc_extmask_offs);
+ }
+
+ /*
* The interrupt source needs to be enabled, but masked, to prevent the
* CPU from receiving it.
*/
@@ -148,6 +157,9 @@ static int rcar_sysc_power(const struct rcar_sysc_ch *sysc_ch, bool on)
iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
out:
+ if (rcar_sysc_extmask_val)
+ iowrite32(0, rcar_sysc_base + rcar_sysc_extmask_offs);
+
spin_unlock_irqrestore(&rcar_sysc_lock, flags);
pr_debug("sysc power %s domain %d: %08x -> %d\n", on ? "on" : "off",
@@ -170,7 +182,7 @@ struct rcar_sysc_pd {
struct generic_pm_domain genpd;
struct rcar_sysc_ch ch;
unsigned int flags;
- char name[0];
+ char name[];
};
static inline struct rcar_sysc_pd *to_rcar_pd(struct generic_pm_domain *d)
@@ -200,7 +212,6 @@ static int __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
{
struct generic_pm_domain *genpd = &pd->genpd;
const char *name = pd->genpd.name;
- struct dev_power_governor *gov = &simple_qos_governor;
int error;
if (pd->flags & PD_CPU) {
@@ -254,7 +265,7 @@ static int __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
rcar_sysc_power(&pd->ch, true);
finalize:
- error = pm_genpd_init(genpd, gov, false);
+ error = pm_genpd_init(genpd, &simple_qos_governor, false);
if (error)
pr_err("Failed to init PM domain %s: %d\n", name, error);
@@ -276,6 +287,9 @@ static const struct of_device_id rcar_sysc_matches[] __initconst = {
#ifdef CONFIG_SYSC_R8A774A1
{ .compatible = "renesas,r8a774a1-sysc", .data = &r8a774a1_sysc_info },
#endif
+#ifdef CONFIG_SYSC_R8A774B1
+ { .compatible = "renesas,r8a774b1-sysc", .data = &r8a774b1_sysc_info },
+#endif
#ifdef CONFIG_SYSC_R8A774C0
{ .compatible = "renesas,r8a774c0-sysc", .data = &r8a774c0_sysc_info },
#endif
@@ -299,8 +313,11 @@ static const struct of_device_id rcar_sysc_matches[] __initconst = {
#ifdef CONFIG_SYSC_R8A7795
{ .compatible = "renesas,r8a7795-sysc", .data = &r8a7795_sysc_info },
#endif
-#ifdef CONFIG_SYSC_R8A7796
- { .compatible = "renesas,r8a7796-sysc", .data = &r8a7796_sysc_info },
+#ifdef CONFIG_SYSC_R8A77960
+ { .compatible = "renesas,r8a7796-sysc", .data = &r8a77960_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77961
+ { .compatible = "renesas,r8a77961-sysc", .data = &r8a77961_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A77965
{ .compatible = "renesas,r8a77965-sysc", .data = &r8a77965_sysc_info },
@@ -346,7 +363,7 @@ static int __init rcar_sysc_pd_init(void)
if (info->init) {
error = info->init();
if (error)
- return error;
+ goto out_put;
}
has_cpg_mstp = of_find_compatible_node(NULL, NULL,
@@ -361,6 +378,10 @@ static int __init rcar_sysc_pd_init(void)
rcar_sysc_base = base;
+ /* Optional External Request Mask Register */
+ rcar_sysc_extmask_offs = info->extmask_offs;
+ rcar_sysc_extmask_val = info->extmask_val;
+
domains = kzalloc(sizeof(*domains), GFP_KERNEL);
if (!domains) {
error = -ENOMEM;
diff --git a/drivers/soc/renesas/rcar-sysc.h b/drivers/soc/renesas/rcar-sysc.h
index 485520a5b295..8d074489fba9 100644
--- a/drivers/soc/renesas/rcar-sysc.h
+++ b/drivers/soc/renesas/rcar-sysc.h
@@ -44,20 +44,25 @@ struct rcar_sysc_info {
int (*init)(void); /* Optional */
const struct rcar_sysc_area *areas;
unsigned int num_areas;
+ /* Optional External Request Mask Register */
+ u32 extmask_offs; /* SYSCEXTMASK register offset */
+ u32 extmask_val; /* SYSCEXTMASK register mask value */
};
extern const struct rcar_sysc_info r8a7743_sysc_info;
extern const struct rcar_sysc_info r8a7745_sysc_info;
extern const struct rcar_sysc_info r8a77470_sysc_info;
extern const struct rcar_sysc_info r8a774a1_sysc_info;
+extern const struct rcar_sysc_info r8a774b1_sysc_info;
extern const struct rcar_sysc_info r8a774c0_sysc_info;
extern const struct rcar_sysc_info r8a7779_sysc_info;
extern const struct rcar_sysc_info r8a7790_sysc_info;
extern const struct rcar_sysc_info r8a7791_sysc_info;
extern const struct rcar_sysc_info r8a7792_sysc_info;
extern const struct rcar_sysc_info r8a7794_sysc_info;
-extern const struct rcar_sysc_info r8a7795_sysc_info;
-extern const struct rcar_sysc_info r8a7796_sysc_info;
+extern struct rcar_sysc_info r8a7795_sysc_info;
+extern const struct rcar_sysc_info r8a77960_sysc_info;
+extern const struct rcar_sysc_info r8a77961_sysc_info;
extern const struct rcar_sysc_info r8a77965_sysc_info;
extern const struct rcar_sysc_info r8a77970_sysc_info;
extern const struct rcar_sysc_info r8a77980_sysc_info;
diff --git a/drivers/soc/renesas/renesas-soc.c b/drivers/soc/renesas/renesas-soc.c
index 3299cf5365f3..850f5733dc88 100644
--- a/drivers/soc/renesas/renesas-soc.c
+++ b/drivers/soc/renesas/renesas-soc.c
@@ -116,6 +116,11 @@ static const struct renesas_soc soc_rz_g2m __initconst __maybe_unused = {
.id = 0x52,
};
+static const struct renesas_soc soc_rz_g2n __initconst __maybe_unused = {
+ .family = &fam_rzg2,
+ .id = 0x55,
+};
+
static const struct renesas_soc soc_rz_g2e __initconst __maybe_unused = {
.family = &fam_rzg2,
.id = 0x57,
@@ -227,6 +232,9 @@ static const struct of_device_id renesas_socs[] __initconst = {
#ifdef CONFIG_ARCH_R8A774A1
{ .compatible = "renesas,r8a774a1", .data = &soc_rz_g2m },
#endif
+#ifdef CONFIG_ARCH_R8A774B1
+ { .compatible = "renesas,r8a774b1", .data = &soc_rz_g2n },
+#endif
#ifdef CONFIG_ARCH_R8A774C0
{ .compatible = "renesas,r8a774c0", .data = &soc_rz_g2e },
#endif
@@ -254,9 +262,12 @@ static const struct of_device_id renesas_socs[] __initconst = {
#ifdef CONFIG_ARCH_R8A7795
{ .compatible = "renesas,r8a7795", .data = &soc_rcar_h3 },
#endif
-#ifdef CONFIG_ARCH_R8A7796
+#ifdef CONFIG_ARCH_R8A77960
{ .compatible = "renesas,r8a7796", .data = &soc_rcar_m3_w },
#endif
+#ifdef CONFIG_ARCH_R8A77961
+ { .compatible = "renesas,r8a77961", .data = &soc_rcar_m3_w },
+#endif
#ifdef CONFIG_ARCH_R8A77965
{ .compatible = "renesas,r8a77965", .data = &soc_rcar_m3_n },
#endif
@@ -326,7 +337,7 @@ static int __init renesas_soc_init(void)
if (np) {
chipid = of_iomap(np, 0);
of_node_put(np);
- } else if (soc->id) {
+ } else if (soc->id && family->reg) {
chipid = ioremap(family->reg, 4);
}
if (chipid) {
diff --git a/drivers/soc/renesas/rmobile-sysc.c b/drivers/soc/renesas/rmobile-sysc.c
index 421ae1c887d8..54b616ad4a62 100644
--- a/drivers/soc/renesas/rmobile-sysc.c
+++ b/drivers/soc/renesas/rmobile-sysc.c
@@ -48,12 +48,8 @@ struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d)
static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
{
struct rmobile_pm_domain *rmobile_pd = to_rmobile_pd(genpd);
- unsigned int mask;
+ unsigned int mask = BIT(rmobile_pd->bit_shift);
- if (rmobile_pd->bit_shift == ~0)
- return -EBUSY;
-
- mask = BIT(rmobile_pd->bit_shift);
if (rmobile_pd->suspend) {
int ret = rmobile_pd->suspend();
@@ -80,14 +76,10 @@ static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd)
{
- unsigned int mask;
+ unsigned int mask = BIT(rmobile_pd->bit_shift);
unsigned int retry_count;
int ret = 0;
- if (rmobile_pd->bit_shift == ~0)
- return 0;
-
- mask = BIT(rmobile_pd->bit_shift);
if (__raw_readl(rmobile_pd->base + PSTR) & mask)
return ret;
@@ -122,11 +114,15 @@ static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
struct dev_power_governor *gov = rmobile_pd->gov;
genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
- genpd->power_off = rmobile_pd_power_down;
- genpd->power_on = rmobile_pd_power_up;
- genpd->attach_dev = cpg_mstp_attach_dev;
- genpd->detach_dev = cpg_mstp_detach_dev;
- __rmobile_pd_power_up(rmobile_pd);
+ genpd->attach_dev = cpg_mstp_attach_dev;
+ genpd->detach_dev = cpg_mstp_detach_dev;
+
+ if (!(genpd->flags & GENPD_FLAG_ALWAYS_ON)) {
+ genpd->power_off = rmobile_pd_power_down;
+ genpd->power_on = rmobile_pd_power_up;
+ __rmobile_pd_power_up(rmobile_pd);
+ }
+
pm_genpd_init(genpd, gov ? : &simple_qos_governor, false);
}
@@ -270,6 +266,11 @@ static void __init rmobile_setup_pm_domain(struct device_node *np,
break;
case PD_NORMAL:
+ if (pd->bit_shift == ~0) {
+ /* Top-level always-on domain */
+ pr_debug("PM domain %s is always-on domain\n", name);
+ pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+ }
break;
}
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