Commit a8d2ff39 authored by Hisashi Nakamura's avatar Hisashi Nakamura Committed by Simon Horman

ARM: shmobile: Separate APMU resource data into CPU dependant part

APMU resources are not common to all R-Car SoCs so don't share this data.
A subsequent patch will correct the CPU cores for the r8a7791.
Signed-off-by: default avatarHisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 3794705a
...@@ -19,11 +19,6 @@ extern void shmobile_boot_scu(void); ...@@ -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_prepare_cpus(unsigned int max_cpus);
extern void shmobile_smp_scu_cpu_die(unsigned int cpu); extern void shmobile_smp_scu_cpu_die(unsigned int cpu);
extern int shmobile_smp_scu_cpu_kill(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; struct clk;
extern int shmobile_clk_init(void); extern int shmobile_clk_init(void);
extern void shmobile_handle_irq_intc(struct pt_regs *); extern void shmobile_handle_irq_intc(struct pt_regs *);
......
/* /*
* SMP support for SoCs with APMU * SMP support for SoCs with APMU
* *
* Copyright (C) 2014 Renesas Electronics Corporation
* Copyright (C) 2013 Magnus Damm * Copyright (C) 2013 Magnus Damm
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
...@@ -22,6 +23,7 @@ ...@@ -22,6 +23,7 @@
#include <asm/smp_plat.h> #include <asm/smp_plat.h>
#include <asm/suspend.h> #include <asm/suspend.h>
#include "common.h" #include "common.h"
#include "platsmp-apmu.h"
static struct { static struct {
void __iomem *iomem; void __iomem *iomem;
...@@ -83,28 +85,15 @@ static void apmu_init_cpu(struct resource *res, int cpu, int bit) ...@@ -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); pr_debug("apmu ioremap %d %d %pr\n", cpu, bit, res);
} }
static struct { static void apmu_parse_cfg(void (*fn)(struct resource *res, int cpu, int bit),
struct resource iomem; struct rcar_apmu_config *apmu_config, int num)
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))
{ {
u32 id; u32 id;
int k; int k;
int bit, index; int bit, index;
bool is_allowed; 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 */ /* only enable the cluster that includes the boot CPU */
is_allowed = false; is_allowed = false;
for (bit = 0; bit < ARRAY_SIZE(apmu_config[k].cpus); bit++) { 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)) ...@@ -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 */ /* install boot code shared by all CPUs */
shmobile_boot_fn = virt_to_phys(shmobile_smp_boot); shmobile_boot_fn = virt_to_phys(shmobile_smp_boot);
shmobile_boot_arg = MPIDR_HWID_BITMASK; shmobile_boot_arg = MPIDR_HWID_BITMASK;
/* perform per-cpu setup */ /* perform per-cpu setup */
apmu_parse_cfg(apmu_init_cpu); apmu_parse_cfg(apmu_init_cpu, apmu_config, num);
} }
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
......
/*
* 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 */
...@@ -21,6 +21,7 @@ ...@@ -21,6 +21,7 @@
#include <asm/smp_plat.h> #include <asm/smp_plat.h>
#include "common.h" #include "common.h"
#include "platsmp-apmu.h"
#include "pm-rcar.h" #include "pm-rcar.h"
#include "r8a7790.h" #include "r8a7790.h"
...@@ -34,10 +35,23 @@ static struct rcar_sysc_ch r8a7790_ca7_scu = { ...@@ -34,10 +35,23 @@ static struct rcar_sysc_ch r8a7790_ca7_scu = {
.isr_bit = 21, /* 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) static void __init r8a7790_smp_prepare_cpus(unsigned int max_cpus)
{ {
/* let APMU code install data related to shmobile_boot_vector */ /* 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 */ /* turn on power to SCU */
r8a7790_pm_init(); r8a7790_pm_init();
......
...@@ -21,13 +21,27 @@ ...@@ -21,13 +21,27 @@
#include <asm/smp_plat.h> #include <asm/smp_plat.h>
#include "common.h" #include "common.h"
#include "platsmp-apmu.h"
#include "r8a7791.h" #include "r8a7791.h"
#include "rcar-gen2.h" #include "rcar-gen2.h"
static struct rcar_apmu_config r8a7791_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 r8a7791_smp_prepare_cpus(unsigned int max_cpus) static void __init r8a7791_smp_prepare_cpus(unsigned int max_cpus)
{ {
/* let APMU code install data related to shmobile_boot_vector */ /* 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(); r8a7791_pm_init();
} }
......
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