T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
S: Supported
F: arch/arm64/boot/dts/renesas/
+F: drivers/soc/renesas/
+F: include/linux/soc/renesas/
ARM/RISCPC ARCHITECTURE
M: Russell King <linux@arm.linux.org.uk>
F: arch/arm/include/debug/renesas-scif.S
F: arch/arm/mach-shmobile/
F: drivers/sh/
+F: drivers/soc/renesas/
+F: include/linux/soc/renesas/
ARM/SOCFPGA ARCHITECTURE
M: Dinh Nguyen <dinguyen@opensource.altera.com>
config ARCH_SHMOBILE_MULTI
bool
-config PM_RCAR
- bool
- select PM
- select PM_GENERIC_DOMAINS
-
config PM_RMOBILE
bool
select PM
config ARCH_RCAR_GEN1
bool
- select PM_RCAR
+ select PM
+ select PM_GENERIC_DOMAINS
select RENESAS_INTC_IRQPIN
select SYS_SUPPORTS_SH_TMU
config ARCH_RCAR_GEN2
bool
- select PM_RCAR
+ select PM
+ select PM_GENERIC_DOMAINS
select RENESAS_IRQC
select SYS_SUPPORTS_SH_CMT
select PCI_DOMAINS if PCI
# PM objects
obj-$(CONFIG_SUSPEND) += suspend.o
obj-$(CONFIG_CPU_FREQ) += cpufreq.o
-obj-$(CONFIG_PM_RCAR) += pm-rcar.o
obj-$(CONFIG_PM_RMOBILE) += pm-rmobile.o
obj-$(CONFIG_ARCH_RCAR_GEN2) += pm-rcar-gen2.o
* for more details.
*/
+#include <linux/soc/renesas/rcar-sysc.h>
+
#include <asm/io.h>
-#include "pm-rcar.h"
#include "r8a7779.h"
/* SYSC */
#include <linux/kernel.h>
#include <linux/of.h>
#include <linux/smp.h>
+#include <linux/soc/renesas/rcar-sysc.h>
#include <asm/io.h>
#include "common.h"
-#include "pm-rcar.h"
#include "rcar-gen2.h"
/* RST */
+++ /dev/null
-/*
- * R-Car SYSC Power management support
- *
- * Copyright (C) 2014 Magnus Damm
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/mm.h>
-#include <linux/spinlock.h>
-#include <linux/io.h>
-#include "pm-rcar.h"
-
-/* SYSC Common */
-#define SYSCSR 0x00 /* SYSC Status Register */
-#define SYSCISR 0x04 /* Interrupt Status Register */
-#define SYSCISCR 0x08 /* Interrupt Status Clear Register */
-#define SYSCIER 0x0c /* Interrupt Enable Register */
-#define SYSCIMR 0x10 /* Interrupt Mask Register */
-
-/* SYSC Status Register */
-#define SYSCSR_PONENB 1 /* Ready for power resume requests */
-#define SYSCSR_POFFENB 0 /* Ready for power shutoff requests */
-
-/*
- * Power Control Register Offsets inside the register block for each domain
- * Note: The "CR" registers for ARM cores exist on H1 only
- * Use WFI to power off, CPG/APMU to resume ARM cores on R-Car Gen2
- */
-#define PWRSR_OFFS 0x00 /* Power Status Register */
-#define PWROFFCR_OFFS 0x04 /* Power Shutoff Control Register */
-#define PWROFFSR_OFFS 0x08 /* Power Shutoff Status Register */
-#define PWRONCR_OFFS 0x0c /* Power Resume Control Register */
-#define PWRONSR_OFFS 0x10 /* Power Resume Status Register */
-#define PWRER_OFFS 0x14 /* Power Shutoff/Resume Error */
-
-
-#define SYSCSR_RETRIES 100
-#define SYSCSR_DELAY_US 1
-
-#define PWRER_RETRIES 100
-#define PWRER_DELAY_US 1
-
-#define SYSCISR_RETRIES 1000
-#define SYSCISR_DELAY_US 1
-
-static void __iomem *rcar_sysc_base;
-static DEFINE_SPINLOCK(rcar_sysc_lock); /* SMP CPUs + I/O devices */
-
-static int rcar_sysc_pwr_on_off(const struct rcar_sysc_ch *sysc_ch, bool on)
-{
- unsigned int sr_bit, reg_offs;
- int k;
-
- if (on) {
- sr_bit = SYSCSR_PONENB;
- reg_offs = PWRONCR_OFFS;
- } else {
- sr_bit = SYSCSR_POFFENB;
- reg_offs = PWROFFCR_OFFS;
- }
-
- /* Wait until SYSC is ready to accept a power request */
- for (k = 0; k < SYSCSR_RETRIES; k++) {
- if (ioread32(rcar_sysc_base + SYSCSR) & BIT(sr_bit))
- break;
- udelay(SYSCSR_DELAY_US);
- }
-
- if (k == SYSCSR_RETRIES)
- return -EAGAIN;
-
- /* Submit power shutoff or power resume request */
- iowrite32(BIT(sysc_ch->chan_bit),
- rcar_sysc_base + sysc_ch->chan_offs + reg_offs);
-
- return 0;
-}
-
-static int rcar_sysc_power(const struct rcar_sysc_ch *sysc_ch, bool on)
-{
- unsigned int isr_mask = BIT(sysc_ch->isr_bit);
- unsigned int chan_mask = BIT(sysc_ch->chan_bit);
- unsigned int status;
- unsigned long flags;
- int ret = 0;
- int k;
-
- spin_lock_irqsave(&rcar_sysc_lock, flags);
-
- iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
-
- /* Submit power shutoff or resume request until it was accepted */
- for (k = 0; k < PWRER_RETRIES; k++) {
- ret = rcar_sysc_pwr_on_off(sysc_ch, on);
- if (ret)
- goto out;
-
- status = ioread32(rcar_sysc_base +
- sysc_ch->chan_offs + PWRER_OFFS);
- if (!(status & chan_mask))
- break;
-
- udelay(PWRER_DELAY_US);
- }
-
- if (k == PWRER_RETRIES) {
- ret = -EIO;
- goto out;
- }
-
- /* Wait until the power shutoff or resume request has completed * */
- for (k = 0; k < SYSCISR_RETRIES; k++) {
- if (ioread32(rcar_sysc_base + SYSCISR) & isr_mask)
- break;
- udelay(SYSCISR_DELAY_US);
- }
-
- if (k == SYSCISR_RETRIES)
- ret = -EIO;
-
- iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
-
- out:
- spin_unlock_irqrestore(&rcar_sysc_lock, flags);
-
- pr_debug("sysc power domain %d: %08x -> %d\n",
- sysc_ch->isr_bit, ioread32(rcar_sysc_base + SYSCISR), ret);
- return ret;
-}
-
-int rcar_sysc_power_down(const struct rcar_sysc_ch *sysc_ch)
-{
- return rcar_sysc_power(sysc_ch, false);
-}
-
-int rcar_sysc_power_up(const struct rcar_sysc_ch *sysc_ch)
-{
- return rcar_sysc_power(sysc_ch, true);
-}
-
-bool rcar_sysc_power_is_off(const struct rcar_sysc_ch *sysc_ch)
-{
- unsigned int st;
-
- st = ioread32(rcar_sysc_base + sysc_ch->chan_offs + PWRSR_OFFS);
- if (st & BIT(sysc_ch->chan_bit))
- return true;
-
- return false;
-}
-
-void __iomem *rcar_sysc_init(phys_addr_t base)
-{
- rcar_sysc_base = ioremap_nocache(base, PAGE_SIZE);
- if (!rcar_sysc_base)
- panic("unable to ioremap R-Car SYSC hardware block\n");
-
- return rcar_sysc_base;
-}
+++ /dev/null
-#ifndef PM_RCAR_H
-#define PM_RCAR_H
-
-struct rcar_sysc_ch {
- u16 chan_offs;
- u8 chan_bit;
- u8 isr_bit;
-};
-
-int rcar_sysc_power_down(const struct rcar_sysc_ch *sysc_ch);
-int rcar_sysc_power_up(const struct rcar_sysc_ch *sysc_ch);
-bool rcar_sysc_power_is_off(const struct rcar_sysc_ch *sysc_ch);
-void __iomem *rcar_sysc_init(phys_addr_t base);
-
-#endif /* PM_RCAR_H */
#include <linux/spinlock.h>
#include <linux/io.h>
#include <linux/delay.h>
+#include <linux/soc/renesas/rcar-sysc.h>
#include <asm/cacheflush.h>
#include <asm/smp_plat.h>
#include <asm/smp_scu.h>
#include "common.h"
-#include "pm-rcar.h"
#include "r8a7779.h"
#define AVECR IOMEM(0xfe700040)
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/io.h>
+#include <linux/soc/renesas/rcar-sysc.h>
#include <asm/smp_plat.h>
#include "common.h"
#include "platsmp-apmu.h"
-#include "pm-rcar.h"
#include "rcar-gen2.h"
#include "r8a7790.h"
obj-y += fsl/
obj-$(CONFIG_ARCH_MEDIATEK) += mediatek/
obj-$(CONFIG_ARCH_QCOM) += qcom/
-obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
+obj-$(CONFIG_ARCH_RENESAS) += renesas/
+obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
obj-$(CONFIG_SOC_SAMSUNG) += samsung/
obj-$(CONFIG_ARCH_SUNXI) += sunxi/
obj-$(CONFIG_ARCH_TEGRA) += tegra/
--- /dev/null
+obj-$(CONFIG_ARCH_R8A7779) += rcar-sysc.o
+obj-$(CONFIG_ARCH_R8A7790) += rcar-sysc.o
+obj-$(CONFIG_ARCH_R8A7791) += rcar-sysc.o
+obj-$(CONFIG_ARCH_R8A7793) += rcar-sysc.o
+obj-$(CONFIG_ARCH_R8A7794) += rcar-sysc.o
--- /dev/null
+/*
+ * R-Car SYSC Power management support
+ *
+ * Copyright (C) 2014 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/mm.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/soc/renesas/rcar-sysc.h>
+
+/* SYSC Common */
+#define SYSCSR 0x00 /* SYSC Status Register */
+#define SYSCISR 0x04 /* Interrupt Status Register */
+#define SYSCISCR 0x08 /* Interrupt Status Clear Register */
+#define SYSCIER 0x0c /* Interrupt Enable Register */
+#define SYSCIMR 0x10 /* Interrupt Mask Register */
+
+/* SYSC Status Register */
+#define SYSCSR_PONENB 1 /* Ready for power resume requests */
+#define SYSCSR_POFFENB 0 /* Ready for power shutoff requests */
+
+/*
+ * Power Control Register Offsets inside the register block for each domain
+ * Note: The "CR" registers for ARM cores exist on H1 only
+ * Use WFI to power off, CPG/APMU to resume ARM cores on R-Car Gen2
+ */
+#define PWRSR_OFFS 0x00 /* Power Status Register */
+#define PWROFFCR_OFFS 0x04 /* Power Shutoff Control Register */
+#define PWROFFSR_OFFS 0x08 /* Power Shutoff Status Register */
+#define PWRONCR_OFFS 0x0c /* Power Resume Control Register */
+#define PWRONSR_OFFS 0x10 /* Power Resume Status Register */
+#define PWRER_OFFS 0x14 /* Power Shutoff/Resume Error */
+
+
+#define SYSCSR_RETRIES 100
+#define SYSCSR_DELAY_US 1
+
+#define PWRER_RETRIES 100
+#define PWRER_DELAY_US 1
+
+#define SYSCISR_RETRIES 1000
+#define SYSCISR_DELAY_US 1
+
+static void __iomem *rcar_sysc_base;
+static DEFINE_SPINLOCK(rcar_sysc_lock); /* SMP CPUs + I/O devices */
+
+static int rcar_sysc_pwr_on_off(const struct rcar_sysc_ch *sysc_ch, bool on)
+{
+ unsigned int sr_bit, reg_offs;
+ int k;
+
+ if (on) {
+ sr_bit = SYSCSR_PONENB;
+ reg_offs = PWRONCR_OFFS;
+ } else {
+ sr_bit = SYSCSR_POFFENB;
+ reg_offs = PWROFFCR_OFFS;
+ }
+
+ /* Wait until SYSC is ready to accept a power request */
+ for (k = 0; k < SYSCSR_RETRIES; k++) {
+ if (ioread32(rcar_sysc_base + SYSCSR) & BIT(sr_bit))
+ break;
+ udelay(SYSCSR_DELAY_US);
+ }
+
+ if (k == SYSCSR_RETRIES)
+ return -EAGAIN;
+
+ /* Submit power shutoff or power resume request */
+ iowrite32(BIT(sysc_ch->chan_bit),
+ rcar_sysc_base + sysc_ch->chan_offs + reg_offs);
+
+ return 0;
+}
+
+static int rcar_sysc_power(const struct rcar_sysc_ch *sysc_ch, bool on)
+{
+ unsigned int isr_mask = BIT(sysc_ch->isr_bit);
+ unsigned int chan_mask = BIT(sysc_ch->chan_bit);
+ unsigned int status;
+ unsigned long flags;
+ int ret = 0;
+ int k;
+
+ spin_lock_irqsave(&rcar_sysc_lock, flags);
+
+ iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
+
+ /* Submit power shutoff or resume request until it was accepted */
+ for (k = 0; k < PWRER_RETRIES; k++) {
+ ret = rcar_sysc_pwr_on_off(sysc_ch, on);
+ if (ret)
+ goto out;
+
+ status = ioread32(rcar_sysc_base +
+ sysc_ch->chan_offs + PWRER_OFFS);
+ if (!(status & chan_mask))
+ break;
+
+ udelay(PWRER_DELAY_US);
+ }
+
+ if (k == PWRER_RETRIES) {
+ ret = -EIO;
+ goto out;
+ }
+
+ /* Wait until the power shutoff or resume request has completed * */
+ for (k = 0; k < SYSCISR_RETRIES; k++) {
+ if (ioread32(rcar_sysc_base + SYSCISR) & isr_mask)
+ break;
+ udelay(SYSCISR_DELAY_US);
+ }
+
+ if (k == SYSCISR_RETRIES)
+ ret = -EIO;
+
+ iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
+
+ out:
+ spin_unlock_irqrestore(&rcar_sysc_lock, flags);
+
+ pr_debug("sysc power domain %d: %08x -> %d\n",
+ sysc_ch->isr_bit, ioread32(rcar_sysc_base + SYSCISR), ret);
+ return ret;
+}
+
+int rcar_sysc_power_down(const struct rcar_sysc_ch *sysc_ch)
+{
+ return rcar_sysc_power(sysc_ch, false);
+}
+
+int rcar_sysc_power_up(const struct rcar_sysc_ch *sysc_ch)
+{
+ return rcar_sysc_power(sysc_ch, true);
+}
+
+bool rcar_sysc_power_is_off(const struct rcar_sysc_ch *sysc_ch)
+{
+ unsigned int st;
+
+ st = ioread32(rcar_sysc_base + sysc_ch->chan_offs + PWRSR_OFFS);
+ if (st & BIT(sysc_ch->chan_bit))
+ return true;
+
+ return false;
+}
+
+void __iomem *rcar_sysc_init(phys_addr_t base)
+{
+ rcar_sysc_base = ioremap_nocache(base, PAGE_SIZE);
+ if (!rcar_sysc_base)
+ panic("unable to ioremap R-Car SYSC hardware block\n");
+
+ return rcar_sysc_base;
+}
--- /dev/null
+#ifndef __LINUX_SOC_RENESAS_RCAR_SYSC_H__
+#define __LINUX_SOC_RENESAS_RCAR_SYSC_H__
+
+#include <linux/types.h>
+
+struct rcar_sysc_ch {
+ u16 chan_offs;
+ u8 chan_bit;
+ u8 isr_bit;
+};
+
+int rcar_sysc_power_down(const struct rcar_sysc_ch *sysc_ch);
+int rcar_sysc_power_up(const struct rcar_sysc_ch *sysc_ch);
+bool rcar_sysc_power_is_off(const struct rcar_sysc_ch *sysc_ch);
+void __iomem *rcar_sysc_init(phys_addr_t base);
+
+#endif /* __LINUX_SOC_RENESAS_RCAR_SYSC_H__ */
projects / mirror_ubuntu-eoan-kernel.git / commitdiff