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-rw-r--r--arch/arm/mach-shmobile/Kconfig3
-rw-r--r--arch/arm/mach-shmobile/platsmp-scu.c2
-rw-r--r--arch/arm/mach-shmobile/rcar-gen2.h2
-rw-r--r--arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c12
-rw-r--r--arch/arm/mach-shmobile/setup-emev2.c2
-rw-r--r--arch/arm/mach-shmobile/setup-r7s72100.c2
-rw-r--r--arch/arm/mach-shmobile/setup-r7s9210.c2
-rw-r--r--arch/arm/mach-shmobile/setup-r8a73a4.c2
-rw-r--r--arch/arm/mach-shmobile/setup-r8a7740.c2
-rw-r--r--arch/arm/mach-shmobile/setup-r8a7778.c14
-rw-r--r--arch/arm/mach-shmobile/setup-r8a7779.c59
-rw-r--r--arch/arm/mach-shmobile/setup-rcar-gen2.c14
-rw-r--r--arch/arm/mach-shmobile/setup-sh73a0.c24
-rw-r--r--arch/arm/mach-shmobile/smp-r8a7779.c12
-rw-r--r--arch/arm/mach-shmobile/smp-sh73a0.c33
15 files changed, 85 insertions, 100 deletions
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 3683d6f10973..37f862f13c8d 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -1,10 +1,9 @@
# SPDX-License-Identifier: GPL-2.0
menuconfig ARCH_RENESAS
bool "Renesas ARM SoCs"
- depends on ARCH_MULTI_V7 && MMU
+ depends on ARCH_MULTI_V7
select ARM_GIC
select GPIOLIB
select NO_IOPORT_MAP
select PINCTRL
- select SOC_BUS
select ZONE_DMA if ARM_LPAE
diff --git a/arch/arm/mach-shmobile/platsmp-scu.c b/arch/arm/mach-shmobile/platsmp-scu.c
index fcfcef1d1ae4..3849f71e6e12 100644
--- a/arch/arm/mach-shmobile/platsmp-scu.c
+++ b/arch/arm/mach-shmobile/platsmp-scu.c
@@ -64,7 +64,7 @@ static int shmobile_smp_scu_psr_core_disabled(int cpu)
{
unsigned long mask = SCU_PM_POWEROFF << (cpu * 8);
- if ((__raw_readl(shmobile_scu_base + 8) & mask) == mask)
+ if ((readl(shmobile_scu_base + 8) & mask) == mask)
return 1;
return 0;
diff --git a/arch/arm/mach-shmobile/rcar-gen2.h b/arch/arm/mach-shmobile/rcar-gen2.h
index 4777fff2de41..af9dbd6aa49e 100644
--- a/arch/arm/mach-shmobile/rcar-gen2.h
+++ b/arch/arm/mach-shmobile/rcar-gen2.h
@@ -2,8 +2,6 @@
#ifndef __ASM_RCAR_GEN2_H__
#define __ASM_RCAR_GEN2_H__
-void rcar_gen2_timer_init(void);
-void rcar_gen2_reserve(void);
void rcar_gen2_pm_init(void);
#endif /* __ASM_RCAR_GEN2_H__ */
diff --git a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
index ee949255ced3..117e7b07995b 100644
--- a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
@@ -67,7 +67,7 @@ static const struct of_device_id rcar_gen2_quirk_match[] = {
{ .compatible = "dlg,da9063", .data = &da9063_msg },
{ .compatible = "dlg,da9063l", .data = &da9063_msg },
{ .compatible = "dlg,da9210", .data = &da9210_msg },
- {},
+ { /* sentinel */ }
};
static int regulator_quirk_notify(struct notifier_block *nb,
@@ -125,6 +125,7 @@ remove:
list_for_each_entry_safe(pos, tmp, &quirk_list, list) {
list_del(&pos->list);
+ of_node_put(pos->np);
kfree(pos);
}
@@ -154,8 +155,10 @@ static int __init rcar_gen2_regulator_quirk(void)
return -ENODEV;
for_each_matching_node_and_match(np, rcar_gen2_quirk_match, &id) {
- if (!of_device_is_available(np))
+ if (!of_device_is_available(np)) {
+ of_node_put(np);
break;
+ }
ret = of_property_read_u32(np, "reg", &addr);
if (ret) /* Skip invalid entry and continue */
@@ -164,6 +167,7 @@ static int __init rcar_gen2_regulator_quirk(void)
quirk = kzalloc(sizeof(*quirk), GFP_KERNEL);
if (!quirk) {
ret = -ENOMEM;
+ of_node_put(np);
goto err_mem;
}
@@ -171,11 +175,12 @@ static int __init rcar_gen2_regulator_quirk(void)
memcpy(&quirk->i2c_msg, id->data, sizeof(quirk->i2c_msg));
quirk->id = id;
- quirk->np = np;
+ quirk->np = of_node_get(np);
quirk->i2c_msg.addr = addr;
ret = of_irq_parse_one(np, 0, argsa);
if (ret) { /* Skip invalid entry and continue */
+ of_node_put(np);
kfree(quirk);
continue;
}
@@ -222,6 +227,7 @@ err_free:
err_mem:
list_for_each_entry_safe(pos, tmp, &quirk_list, list) {
list_del(&pos->list);
+ of_node_put(pos->np);
kfree(pos);
}
diff --git a/arch/arm/mach-shmobile/setup-emev2.c b/arch/arm/mach-shmobile/setup-emev2.c
index a328d2f52678..ed82d6429623 100644
--- a/arch/arm/mach-shmobile/setup-emev2.c
+++ b/arch/arm/mach-shmobile/setup-emev2.c
@@ -16,7 +16,7 @@
static const char *const emev2_boards_compat_dt[] __initconst = {
"renesas,emev2",
- NULL,
+ NULL
};
DT_MACHINE_START(EMEV2_DT, "Generic Emma Mobile EV2 (Flattened Device Tree)")
diff --git a/arch/arm/mach-shmobile/setup-r7s72100.c b/arch/arm/mach-shmobile/setup-r7s72100.c
index 14867226f8f4..a70b99495e2e 100644
--- a/arch/arm/mach-shmobile/setup-r7s72100.c
+++ b/arch/arm/mach-shmobile/setup-r7s72100.c
@@ -14,7 +14,7 @@
static const char *const r7s72100_boards_compat_dt[] __initconst = {
"renesas,r7s72100",
- NULL,
+ NULL
};
DT_MACHINE_START(R7S72100_DT, "Generic R7S72100 (Flattened Device Tree)")
diff --git a/arch/arm/mach-shmobile/setup-r7s9210.c b/arch/arm/mach-shmobile/setup-r7s9210.c
index 573fb9955e7e..90add728bc3d 100644
--- a/arch/arm/mach-shmobile/setup-r7s9210.c
+++ b/arch/arm/mach-shmobile/setup-r7s9210.c
@@ -15,7 +15,7 @@
static const char *const r7s9210_boards_compat_dt[] __initconst = {
"renesas,r7s9210",
- NULL,
+ NULL
};
DT_MACHINE_START(R7S72100_DT, "Generic R7S9210 (Flattened Device Tree)")
diff --git a/arch/arm/mach-shmobile/setup-r8a73a4.c b/arch/arm/mach-shmobile/setup-r8a73a4.c
index 23a29a0ea9c9..9e3f4dc08372 100644
--- a/arch/arm/mach-shmobile/setup-r8a73a4.c
+++ b/arch/arm/mach-shmobile/setup-r8a73a4.c
@@ -14,7 +14,7 @@
static const char *const r8a73a4_boards_compat_dt[] __initconst = {
"renesas,r8a73a4",
- NULL,
+ NULL
};
DT_MACHINE_START(R8A73A4_DT, "Generic R8A73A4 (Flattened Device Tree)")
diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c
index f760c27c9907..9ac2b8a2aa6a 100644
--- a/arch/arm/mach-shmobile/setup-r8a7740.c
+++ b/arch/arm/mach-shmobile/setup-r8a7740.c
@@ -72,7 +72,7 @@ static void __init r8a7740_generic_init(void)
static const char *const r8a7740_boards_compat_dt[] __initconst = {
"renesas,r8a7740",
- NULL,
+ NULL
};
DT_MACHINE_START(R8A7740_DT, "Generic R8A7740 (Flattened Device Tree)")
diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c
index 2bc93f391bcf..445017e8cfe8 100644
--- a/arch/arm/mach-shmobile/setup-r8a7778.c
+++ b/arch/arm/mach-shmobile/setup-r8a7778.c
@@ -14,6 +14,8 @@
#include "common.h"
+#define HPBREG_BASE 0xfe700000
+
#define INT2SMSKCR0 0x82288 /* 0xfe782288 */
#define INT2SMSKCR1 0x8228c /* 0xfe78228c */
@@ -22,26 +24,26 @@
static void __init r8a7778_init_irq_dt(void)
{
- void __iomem *base = ioremap(0xfe700000, 0x00100000);
+ void __iomem *base = ioremap(HPBREG_BASE, 0x00100000);
BUG_ON(!base);
irqchip_init();
/* route all interrupts to ARM */
- __raw_writel(0x73ffffff, base + INT2NTSR0);
- __raw_writel(0xffffffff, base + INT2NTSR1);
+ writel(0x73ffffff, base + INT2NTSR0);
+ writel(0xffffffff, base + INT2NTSR1);
/* unmask all known interrupts in INTCS2 */
- __raw_writel(0x08330773, base + INT2SMSKCR0);
- __raw_writel(0x00311110, base + INT2SMSKCR1);
+ writel(0x08330773, base + INT2SMSKCR0);
+ writel(0x00311110, base + INT2SMSKCR1);
iounmap(base);
}
static const char *const r8a7778_compat_dt[] __initconst = {
"renesas,r8a7778",
- NULL,
+ NULL
};
DT_MACHINE_START(R8A7778_DT, "Generic R8A7778 (Flattened Device Tree)")
diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c
index b13ec9088ce5..c3af2c8925ba 100644
--- a/arch/arm/mach-shmobile/setup-r8a7779.c
+++ b/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -15,64 +15,45 @@
#include "common.h"
#include "r8a7779.h"
-static struct map_desc r8a7779_io_desc[] __initdata = {
- /* 2M identity mapping for 0xf0000000 (MPCORE) */
- {
- .virtual = 0xf0000000,
- .pfn = __phys_to_pfn(0xf0000000),
- .length = SZ_2M,
- .type = MT_DEVICE_NONSHARED
- },
- /* 16M identity mapping for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */
- {
- .virtual = 0xfe000000,
- .pfn = __phys_to_pfn(0xfe000000),
- .length = SZ_16M,
- .type = MT_DEVICE_NONSHARED
- },
-};
-
-static void __init r8a7779_map_io(void)
-{
- debug_ll_io_init();
- iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc));
-}
+#define HPBREG_BASE 0xfe700000
/* IRQ */
-#define INT2SMSKCR0 IOMEM(0xfe7822a0)
-#define INT2SMSKCR1 IOMEM(0xfe7822a4)
-#define INT2SMSKCR2 IOMEM(0xfe7822a8)
-#define INT2SMSKCR3 IOMEM(0xfe7822ac)
-#define INT2SMSKCR4 IOMEM(0xfe7822b0)
+#define INT2SMSKCR0 0x822a0 /* Interrupt Submask Clear Register 0 */
+#define INT2SMSKCR1 0x822a4 /* Interrupt Submask Clear Register 1 */
+#define INT2SMSKCR2 0x822a8 /* Interrupt Submask Clear Register 2 */
+#define INT2SMSKCR3 0x822ac /* Interrupt Submask Clear Register 3 */
+#define INT2SMSKCR4 0x822b0 /* Interrupt Submask Clear Register 4 */
-#define INT2NTSR0 IOMEM(0xfe700060)
-#define INT2NTSR1 IOMEM(0xfe700064)
+#define INT2NTSR0 0x00060 /* Interrupt Notification Select Register 0 */
+#define INT2NTSR1 0x00064 /* Interrupt Notification Select Register 1 */
static void __init r8a7779_init_irq_dt(void)
{
+ void __iomem *base = ioremap(HPBREG_BASE, 0x00100000);
+
irqchip_init();
/* route all interrupts to ARM */
- __raw_writel(0xffffffff, INT2NTSR0);
- __raw_writel(0x3fffffff, INT2NTSR1);
+ writel(0xffffffff, base + INT2NTSR0);
+ writel(0x3fffffff, base + INT2NTSR1);
/* unmask all known interrupts in INTCS2 */
- __raw_writel(0xfffffff0, INT2SMSKCR0);
- __raw_writel(0xfff7ffff, INT2SMSKCR1);
- __raw_writel(0xfffbffdf, INT2SMSKCR2);
- __raw_writel(0xbffffffc, INT2SMSKCR3);
- __raw_writel(0x003fee3f, INT2SMSKCR4);
+ writel(0xfffffff0, base + INT2SMSKCR0);
+ writel(0xfff7ffff, base + INT2SMSKCR1);
+ writel(0xfffbffdf, base + INT2SMSKCR2);
+ writel(0xbffffffc, base + INT2SMSKCR3);
+ writel(0x003fee3f, base + INT2SMSKCR4);
+
+ iounmap(base);
}
static const char *const r8a7779_compat_dt[] __initconst = {
"renesas,r8a7779",
- NULL,
+ NULL
};
DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
.smp = smp_ops(r8a7779_smp_ops),
- .map_io = r8a7779_map_io,
- .init_early = shmobile_init_delay,
.init_irq = r8a7779_init_irq_dt,
.init_late = shmobile_init_late,
.dt_compat = r8a7779_compat_dt,
diff --git a/arch/arm/mach-shmobile/setup-rcar-gen2.c b/arch/arm/mach-shmobile/setup-rcar-gen2.c
index 2fd3aa6f3212..3edbf0719fb3 100644
--- a/arch/arm/mach-shmobile/setup-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/setup-rcar-gen2.c
@@ -7,14 +7,14 @@
* Copyright (C) 2014 Ulrich Hecht
*/
-#include <linux/clk-provider.h>
#include <linux/clocksource.h>
#include <linux/device.h>
-#include <linux/dma-contiguous.h>
+#include <linux/dma-map-ops.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/memblock.h>
#include <linux/of.h>
+#include <linux/of_clk.h>
#include <linux/of_fdt.h>
#include <linux/of_platform.h>
#include <linux/psci.h>
@@ -24,6 +24,7 @@
#include "rcar-gen2.h"
static const struct of_device_id cpg_matches[] __initconst = {
+ { .compatible = "renesas,r8a7742-cpg-mssr", .data = "extal" },
{ .compatible = "renesas,r8a7743-cpg-mssr", .data = "extal" },
{ .compatible = "renesas,r8a7744-cpg-mssr", .data = "extal" },
{ .compatible = "renesas,r8a7790-cpg-mssr", .data = "extal" },
@@ -58,7 +59,7 @@ static unsigned int __init get_extal_freq(void)
#define CNTCR 0
#define CNTFID0 0x20
-void __init rcar_gen2_timer_init(void)
+static void __init rcar_gen2_timer_init(void)
{
bool need_update = true;
void __iomem *base;
@@ -173,7 +174,7 @@ static int __init rcar_gen2_scan_mem(unsigned long node, const char *uname,
return 0;
}
-void __init rcar_gen2_reserve(void)
+static void __init rcar_gen2_reserve(void)
{
struct memory_reserve_config mrc;
@@ -198,7 +199,7 @@ static const char * const rcar_gen2_boards_compat_dt[] __initconst = {
"renesas,r8a7792",
"renesas,r8a7793",
"renesas,r8a7794",
- NULL,
+ NULL
};
DT_MACHINE_START(RCAR_GEN2_DT, "Generic R-Car Gen2 (Flattened Device Tree)")
@@ -209,11 +210,12 @@ DT_MACHINE_START(RCAR_GEN2_DT, "Generic R-Car Gen2 (Flattened Device Tree)")
MACHINE_END
static const char * const rz_g1_boards_compat_dt[] __initconst = {
+ "renesas,r8a7742",
"renesas,r8a7743",
"renesas,r8a7744",
"renesas,r8a7745",
"renesas,r8a77470",
- NULL,
+ NULL
};
DT_MACHINE_START(RZ_G1_DT, "Generic RZ/G1 (Flattened Device Tree)")
diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
index cc08aa752244..7fb27240e907 100644
--- a/arch/arm/mach-shmobile/setup-sh73a0.c
+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -22,41 +22,21 @@
#include "common.h"
#include "sh73a0.h"
-static struct map_desc sh73a0_io_desc[] __initdata = {
- /* create a 1:1 identity mapping for 0xe6xxxxxx
- * used by CPGA, INTC and PFC.
- */
- {
- .virtual = 0xe6000000,
- .pfn = __phys_to_pfn(0xe6000000),
- .length = 256 << 20,
- .type = MT_DEVICE_NONSHARED
- },
-};
-
-static void __init sh73a0_map_io(void)
-{
- debug_ll_io_init();
- iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc));
-}
-
static void __init sh73a0_generic_init(void)
{
#ifdef CONFIG_CACHE_L2X0
/* Shared attribute override enable, 64K*8way */
- l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff);
+ l2x0_init(ioremap(0xf0100000, PAGE_SIZE), 0x00400000, 0xc20f0fff);
#endif
}
static const char *const sh73a0_boards_compat_dt[] __initconst = {
"renesas,sh73a0",
- NULL,
+ NULL
};
DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)")
.smp = smp_ops(sh73a0_smp_ops),
- .map_io = sh73a0_map_io,
- .init_early = shmobile_init_delay,
.init_machine = sh73a0_generic_init,
.init_late = shmobile_init_late,
.dt_compat = sh73a0_boards_compat_dt,
diff --git a/arch/arm/mach-shmobile/smp-r8a7779.c b/arch/arm/mach-shmobile/smp-r8a7779.c
index 0ed73b650c14..1bc609986c16 100644
--- a/arch/arm/mach-shmobile/smp-r8a7779.c
+++ b/arch/arm/mach-shmobile/smp-r8a7779.c
@@ -20,8 +20,10 @@
#include "common.h"
#include "r8a7779.h"
-#define AVECR IOMEM(0xfe700040)
-#define R8A7779_SCU_BASE 0xf0000000
+#define HPBREG_BASE 0xfe700000
+#define AVECR 0x0040 /* ARM Reset Vector Address Register */
+
+#define R8A7779_SCU_BASE 0xf0000000
static int r8a7779_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
@@ -36,11 +38,15 @@ static int r8a7779_boot_secondary(unsigned int cpu, struct task_struct *idle)
static void __init r8a7779_smp_prepare_cpus(unsigned int max_cpus)
{
+ void __iomem *base = ioremap(HPBREG_BASE, 0x1000);
+
/* Map the reset vector (in headsmp-scu.S, headsmp.S) */
- __raw_writel(__pa(shmobile_boot_vector), AVECR);
+ writel(__pa(shmobile_boot_vector), base + AVECR);
/* setup r8a7779 specific SCU bits */
shmobile_smp_scu_prepare_cpus(R8A7779_SCU_BASE, max_cpus);
+
+ iounmap(base);
}
#ifdef CONFIG_HOTPLUG_CPU
diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c
index 0403aa8629dd..453d48865029 100644
--- a/arch/arm/mach-shmobile/smp-sh73a0.c
+++ b/arch/arm/mach-shmobile/smp-sh73a0.c
@@ -16,31 +16,42 @@
#include "common.h"
#include "sh73a0.h"
-#define WUPCR IOMEM(0xe6151010)
-#define SRESCR IOMEM(0xe6151018)
-#define PSTR IOMEM(0xe6151040)
-#define SBAR IOMEM(0xe6180020)
-#define APARMBAREA IOMEM(0xe6f10020)
+#define CPG_BASE2 0xe6151000
+#define WUPCR 0x10 /* System-CPU Wake Up Control Register */
+#define SRESCR 0x18 /* System-CPU Software Reset Control Register */
+#define PSTR 0x40 /* System-CPU Power Status Register */
+
+#define SYSC_BASE 0xe6180000
+#define SBAR 0x20 /* SYS Boot Address Register */
+
+#define AP_BASE 0xe6f10000
+#define APARMBAREA 0x20 /* Address Translation Area Register */
#define SH73A0_SCU_BASE 0xf0000000
static int sh73a0_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
unsigned int lcpu = cpu_logical_map(cpu);
+ void __iomem *cpg2 = ioremap(CPG_BASE2, PAGE_SIZE);
- if (((__raw_readl(PSTR) >> (4 * lcpu)) & 3) == 3)
- __raw_writel(1 << lcpu, WUPCR); /* wake up */
+ if (((readl(cpg2 + PSTR) >> (4 * lcpu)) & 3) == 3)
+ writel(1 << lcpu, cpg2 + WUPCR); /* wake up */
else
- __raw_writel(1 << lcpu, SRESCR); /* reset */
-
+ writel(1 << lcpu, cpg2 + SRESCR); /* reset */
+ iounmap(cpg2);
return 0;
}
static void __init sh73a0_smp_prepare_cpus(unsigned int max_cpus)
{
+ void __iomem *ap = ioremap(AP_BASE, PAGE_SIZE);
+ void __iomem *sysc = ioremap(SYSC_BASE, PAGE_SIZE);
+
/* Map the reset vector (in headsmp.S) */
- __raw_writel(0, APARMBAREA); /* 4k */
- __raw_writel(__pa(shmobile_boot_vector), SBAR);
+ writel(0, ap + APARMBAREA); /* 4k */
+ writel(__pa(shmobile_boot_vector), sysc + SBAR);
+ iounmap(sysc);
+ iounmap(ap);
/* setup sh73a0 specific SCU bits */
shmobile_smp_scu_prepare_cpus(SH73A0_SCU_BASE, max_cpus);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.