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authorArnd Bergmann <arnd@arndb.de>2014-11-20 00:09:18 +0300
committerArnd Bergmann <arnd@arndb.de>2014-11-20 00:09:18 +0300
commit0a1d643450df407f299fc8260f676058ba7feff0 (patch)
tree7b41554a84582448921c85b973ae17810c485c03 /arch/arm/mach-shmobile
parentc39bacad19b0e4762508cb974a34f0ded67145e4 (diff)
parent950a3f0e7dd32c372c9957d5c050b08de7ec9e56 (diff)
downloadlinux-0a1d643450df407f299fc8260f676058ba7feff0.tar.xz
Merge tag 'renesas-soc2-for-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
Pull "Second Round of Renesas ARM Based SoC Soc Updates for v3.19" from Simon Horman: * Enable PCI domains for R-Car Gen2 devices * Make APMU resource code SoC-specific * tag 'renesas-soc2-for-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: Enable PCI domains for R-Car Gen2 devices ARM: shmobile: r8a7791: Correct number of CPU cores ARM: shmobile: Separate APMU resource data into CPU dependant part Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-shmobile')
-rw-r--r--arch/arm/mach-shmobile/Kconfig1
-rw-r--r--arch/arm/mach-shmobile/common.h5
-rw-r--r--arch/arm/mach-shmobile/platsmp-apmu.c27
-rw-r--r--arch/arm/mach-shmobile/platsmp-apmu.h32
-rw-r--r--arch/arm/mach-shmobile/smp-r8a7790.c16
-rw-r--r--arch/arm/mach-shmobile/smp-r8a7791.c12
6 files changed, 68 insertions, 25 deletions
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 6bc018fc5dc1..b0a9e1a7955a 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -19,6 +19,7 @@ config ARCH_RCAR_GEN2
select PM_RCAR if PM || SMP
select RENESAS_IRQC
select SYS_SUPPORTS_SH_CMT
+ select PCI_DOMAINS if PCI
config ARCH_RMOBILE
bool
diff --git a/arch/arm/mach-shmobile/common.h b/arch/arm/mach-shmobile/common.h
index 72087c79ad7b..309025efd4cf 100644
--- a/arch/arm/mach-shmobile/common.h
+++ b/arch/arm/mach-shmobile/common.h
@@ -19,11 +19,6 @@ extern void shmobile_boot_scu(void);
extern void shmobile_smp_scu_prepare_cpus(unsigned int max_cpus);
extern void shmobile_smp_scu_cpu_die(unsigned int cpu);
extern int shmobile_smp_scu_cpu_kill(unsigned int cpu);
-extern void shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus);
-extern int shmobile_smp_apmu_boot_secondary(unsigned int cpu,
- struct task_struct *idle);
-extern void shmobile_smp_apmu_cpu_die(unsigned int cpu);
-extern int shmobile_smp_apmu_cpu_kill(unsigned int cpu);
struct clk;
extern int shmobile_clk_init(void);
extern void shmobile_handle_irq_intc(struct pt_regs *);
diff --git a/arch/arm/mach-shmobile/platsmp-apmu.c b/arch/arm/mach-shmobile/platsmp-apmu.c
index 2c06810d3a70..f483b560b066 100644
--- a/arch/arm/mach-shmobile/platsmp-apmu.c
+++ b/arch/arm/mach-shmobile/platsmp-apmu.c
@@ -1,6 +1,7 @@
/*
* SMP support for SoCs with APMU
*
+ * Copyright (C) 2014 Renesas Electronics Corporation
* Copyright (C) 2013 Magnus Damm
*
* This program is free software; you can redistribute it and/or modify
@@ -22,6 +23,7 @@
#include <asm/smp_plat.h>
#include <asm/suspend.h>
#include "common.h"
+#include "platsmp-apmu.h"
static struct {
void __iomem *iomem;
@@ -83,28 +85,15 @@ static void apmu_init_cpu(struct resource *res, int cpu, int bit)
pr_debug("apmu ioremap %d %d %pr\n", cpu, bit, res);
}
-static struct {
- struct resource iomem;
- int cpus[4];
-} apmu_config[] = {
- {
- .iomem = DEFINE_RES_MEM(0xe6152000, 0x88),
- .cpus = { 0, 1, 2, 3 },
- },
- {
- .iomem = DEFINE_RES_MEM(0xe6151000, 0x88),
- .cpus = { 0x100, 0x101, 0x102, 0x103 },
- }
-};
-
-static void apmu_parse_cfg(void (*fn)(struct resource *res, int cpu, int bit))
+static void apmu_parse_cfg(void (*fn)(struct resource *res, int cpu, int bit),
+ struct rcar_apmu_config *apmu_config, int num)
{
u32 id;
int k;
int bit, index;
bool is_allowed;
- for (k = 0; k < ARRAY_SIZE(apmu_config); k++) {
+ for (k = 0; k < num; k++) {
/* only enable the cluster that includes the boot CPU */
is_allowed = false;
for (bit = 0; bit < ARRAY_SIZE(apmu_config[k].cpus); bit++) {
@@ -128,14 +117,16 @@ static void apmu_parse_cfg(void (*fn)(struct resource *res, int cpu, int bit))
}
}
-void __init shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus)
+void __init shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus,
+ struct rcar_apmu_config *apmu_config,
+ int num)
{
/* install boot code shared by all CPUs */
shmobile_boot_fn = virt_to_phys(shmobile_smp_boot);
shmobile_boot_arg = MPIDR_HWID_BITMASK;
/* perform per-cpu setup */
- apmu_parse_cfg(apmu_init_cpu);
+ apmu_parse_cfg(apmu_init_cpu, apmu_config, num);
}
#ifdef CONFIG_SMP
diff --git a/arch/arm/mach-shmobile/platsmp-apmu.h b/arch/arm/mach-shmobile/platsmp-apmu.h
new file mode 100644
index 000000000000..76512c9a2545
--- /dev/null
+++ b/arch/arm/mach-shmobile/platsmp-apmu.h
@@ -0,0 +1,32 @@
+/*
+ * rmobile apmu definition
+ *
+ * Copyright (C) 2014 Renesas Electronics Corporation
+ *
+ * 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 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef PLATSMP_APMU_H
+#define PLATSMP_APMU_H
+
+struct rcar_apmu_config {
+ struct resource iomem;
+ int cpus[4];
+};
+
+extern void shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus,
+ struct rcar_apmu_config *apmu_config,
+ int num);
+extern int shmobile_smp_apmu_boot_secondary(unsigned int cpu,
+ struct task_struct *idle);
+extern void shmobile_smp_apmu_cpu_die(unsigned int cpu);
+extern int shmobile_smp_apmu_cpu_kill(unsigned int cpu);
+
+#endif /* PLATSMP_APMU_H */
diff --git a/arch/arm/mach-shmobile/smp-r8a7790.c b/arch/arm/mach-shmobile/smp-r8a7790.c
index 2311694636e1..9c3da1345b8b 100644
--- a/arch/arm/mach-shmobile/smp-r8a7790.c
+++ b/arch/arm/mach-shmobile/smp-r8a7790.c
@@ -21,6 +21,7 @@
#include <asm/smp_plat.h>
#include "common.h"
+#include "platsmp-apmu.h"
#include "pm-rcar.h"
#include "r8a7790.h"
@@ -34,10 +35,23 @@ static struct rcar_sysc_ch r8a7790_ca7_scu = {
.isr_bit = 21, /* CA7-SCU */
};
+static struct rcar_apmu_config r8a7790_apmu_config[] = {
+ {
+ .iomem = DEFINE_RES_MEM(0xe6152000, 0x88),
+ .cpus = { 0, 1, 2, 3 },
+ },
+ {
+ .iomem = DEFINE_RES_MEM(0xe6151000, 0x88),
+ .cpus = { 0x100, 0x0101, 0x102, 0x103 },
+ }
+};
+
static void __init r8a7790_smp_prepare_cpus(unsigned int max_cpus)
{
/* let APMU code install data related to shmobile_boot_vector */
- shmobile_smp_apmu_prepare_cpus(max_cpus);
+ shmobile_smp_apmu_prepare_cpus(max_cpus,
+ r8a7790_apmu_config,
+ ARRAY_SIZE(r8a7790_apmu_config));
/* turn on power to SCU */
r8a7790_pm_init();
diff --git a/arch/arm/mach-shmobile/smp-r8a7791.c b/arch/arm/mach-shmobile/smp-r8a7791.c
index f743386166fb..7e49e0a52e32 100644
--- a/arch/arm/mach-shmobile/smp-r8a7791.c
+++ b/arch/arm/mach-shmobile/smp-r8a7791.c
@@ -21,13 +21,23 @@
#include <asm/smp_plat.h>
#include "common.h"
+#include "platsmp-apmu.h"
#include "r8a7791.h"
#include "rcar-gen2.h"
+static struct rcar_apmu_config r8a7791_apmu_config[] = {
+ {
+ .iomem = DEFINE_RES_MEM(0xe6152000, 0x88),
+ .cpus = { 0, 1 },
+ }
+};
+
static void __init r8a7791_smp_prepare_cpus(unsigned int max_cpus)
{
/* let APMU code install data related to shmobile_boot_vector */
- shmobile_smp_apmu_prepare_cpus(max_cpus);
+ shmobile_smp_apmu_prepare_cpus(max_cpus,
+ r8a7791_apmu_config,
+ ARRAY_SIZE(r8a7791_apmu_config));
r8a7791_pm_init();
}