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-rw-r--r--drivers/clocksource/Kconfig20
-rw-r--r--drivers/clocksource/Makefile3
-rw-r--r--drivers/clocksource/h8300_timer16.c192
-rw-r--r--drivers/clocksource/h8300_timer8.c211
-rw-r--r--drivers/clocksource/h8300_tpu.c158
5 files changed, 0 insertions, 584 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 1589ae7d5abb..91344bdf3a77 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -567,26 +567,6 @@ config CLKSRC_PXA
This enables OST0 support available on PXA and SA-11x0
platforms.
-config H8300_TMR8
- bool "Clockevent timer for the H8300 platform" if COMPILE_TEST
- depends on HAS_IOMEM
- help
- This enables the 8 bits timer for the H8300 platform.
-
-config H8300_TMR16
- bool "Clockevent timer for the H83069 platform" if COMPILE_TEST
- depends on HAS_IOMEM
- help
- This enables the 16 bits timer for the H8300 platform with the
- H83069 CPU.
-
-config H8300_TPU
- bool "Clocksource for the H8300 platform" if COMPILE_TEST
- depends on HAS_IOMEM
- help
- This enables the clocksource for the H8300 platform with the
- H8S2678 CPU.
-
config CLKSRC_IMX_GPT
bool "Clocksource using i.MX GPT" if COMPILE_TEST
depends on (ARM || ARM64) && HAVE_CLK
diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile
index 9c85ee2bb373..6c3ed099b57f 100644
--- a/drivers/clocksource/Makefile
+++ b/drivers/clocksource/Makefile
@@ -73,9 +73,6 @@ obj-$(CONFIG_CLKSRC_IMX_GPT) += timer-imx-gpt.o
obj-$(CONFIG_CLKSRC_IMX_TPM) += timer-imx-tpm.o
obj-$(CONFIG_TIMER_IMX_SYS_CTR) += timer-imx-sysctr.o
obj-$(CONFIG_ASM9260_TIMER) += asm9260_timer.o
-obj-$(CONFIG_H8300_TMR8) += h8300_timer8.o
-obj-$(CONFIG_H8300_TMR16) += h8300_timer16.o
-obj-$(CONFIG_H8300_TPU) += h8300_tpu.o
obj-$(CONFIG_INGENIC_OST) += ingenic-ost.o
obj-$(CONFIG_INGENIC_SYSOST) += ingenic-sysost.o
obj-$(CONFIG_INGENIC_TIMER) += ingenic-timer.o
diff --git a/drivers/clocksource/h8300_timer16.c b/drivers/clocksource/h8300_timer16.c
deleted file mode 100644
index 86ca91451b2e..000000000000
--- a/drivers/clocksource/h8300_timer16.c
+++ /dev/null
@@ -1,192 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * H8/300 16bit Timer driver
- *
- * Copyright 2015 Yoshinori Sato <ysato@users.sourcefoge.jp>
- */
-
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/clocksource.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-
-#define TSTR 0
-#define TISRC 6
-
-#define TCR 0
-#define TCNT 2
-
-#define bset(b, a) iowrite8(ioread8(a) | (1 << (b)), (a))
-#define bclr(b, a) iowrite8(ioread8(a) & ~(1 << (b)), (a))
-
-struct timer16_priv {
- struct clocksource cs;
- unsigned long total_cycles;
- void __iomem *mapbase;
- void __iomem *mapcommon;
- unsigned short cs_enabled;
- unsigned char enb;
- unsigned char ovf;
- unsigned char ovie;
-};
-
-static unsigned long timer16_get_counter(struct timer16_priv *p)
-{
- unsigned short v1, v2, v3;
- unsigned char o1, o2;
-
- o1 = ioread8(p->mapcommon + TISRC) & p->ovf;
-
- /* Make sure the timer value is stable. Stolen from acpi_pm.c */
- do {
- o2 = o1;
- v1 = ioread16be(p->mapbase + TCNT);
- v2 = ioread16be(p->mapbase + TCNT);
- v3 = ioread16be(p->mapbase + TCNT);
- o1 = ioread8(p->mapcommon + TISRC) & p->ovf;
- } while (unlikely((o1 != o2) || (v1 > v2 && v1 < v3)
- || (v2 > v3 && v2 < v1) || (v3 > v1 && v3 < v2)));
-
- if (likely(!o1))
- return v2;
- else
- return v2 + 0x10000;
-}
-
-
-static irqreturn_t timer16_interrupt(int irq, void *dev_id)
-{
- struct timer16_priv *p = (struct timer16_priv *)dev_id;
-
- bclr(p->ovf, p->mapcommon + TISRC);
- p->total_cycles += 0x10000;
-
- return IRQ_HANDLED;
-}
-
-static inline struct timer16_priv *cs_to_priv(struct clocksource *cs)
-{
- return container_of(cs, struct timer16_priv, cs);
-}
-
-static u64 timer16_clocksource_read(struct clocksource *cs)
-{
- struct timer16_priv *p = cs_to_priv(cs);
- unsigned long raw, value;
-
- value = p->total_cycles;
- raw = timer16_get_counter(p);
-
- return value + raw;
-}
-
-static int timer16_enable(struct clocksource *cs)
-{
- struct timer16_priv *p = cs_to_priv(cs);
-
- WARN_ON(p->cs_enabled);
-
- p->total_cycles = 0;
- iowrite16be(0x0000, p->mapbase + TCNT);
- iowrite8(0x83, p->mapbase + TCR);
- bset(p->ovie, p->mapcommon + TISRC);
- bset(p->enb, p->mapcommon + TSTR);
-
- p->cs_enabled = true;
- return 0;
-}
-
-static void timer16_disable(struct clocksource *cs)
-{
- struct timer16_priv *p = cs_to_priv(cs);
-
- WARN_ON(!p->cs_enabled);
-
- bclr(p->ovie, p->mapcommon + TISRC);
- bclr(p->enb, p->mapcommon + TSTR);
-
- p->cs_enabled = false;
-}
-
-static struct timer16_priv timer16_priv = {
- .cs = {
- .name = "h8300_16timer",
- .rating = 200,
- .read = timer16_clocksource_read,
- .enable = timer16_enable,
- .disable = timer16_disable,
- .mask = CLOCKSOURCE_MASK(sizeof(unsigned long) * 8),
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
- },
-};
-
-#define REG_CH 0
-#define REG_COMM 1
-
-static int __init h8300_16timer_init(struct device_node *node)
-{
- void __iomem *base[2];
- int ret, irq;
- unsigned int ch;
- struct clk *clk;
-
- clk = of_clk_get(node, 0);
- if (IS_ERR(clk)) {
- pr_err("failed to get clock for clocksource\n");
- return PTR_ERR(clk);
- }
-
- ret = -ENXIO;
- base[REG_CH] = of_iomap(node, 0);
- if (!base[REG_CH]) {
- pr_err("failed to map registers for clocksource\n");
- goto free_clk;
- }
-
- base[REG_COMM] = of_iomap(node, 1);
- if (!base[REG_COMM]) {
- pr_err("failed to map registers for clocksource\n");
- goto unmap_ch;
- }
-
- ret = -EINVAL;
- irq = irq_of_parse_and_map(node, 0);
- if (!irq) {
- pr_err("failed to get irq for clockevent\n");
- goto unmap_comm;
- }
-
- of_property_read_u32(node, "renesas,channel", &ch);
-
- timer16_priv.mapbase = base[REG_CH];
- timer16_priv.mapcommon = base[REG_COMM];
- timer16_priv.enb = ch;
- timer16_priv.ovf = ch;
- timer16_priv.ovie = 4 + ch;
-
- ret = request_irq(irq, timer16_interrupt,
- IRQF_TIMER, timer16_priv.cs.name, &timer16_priv);
- if (ret < 0) {
- pr_err("failed to request irq %d of clocksource\n", irq);
- goto unmap_comm;
- }
-
- clocksource_register_hz(&timer16_priv.cs,
- clk_get_rate(clk) / 8);
- return 0;
-
-unmap_comm:
- iounmap(base[REG_COMM]);
-unmap_ch:
- iounmap(base[REG_CH]);
-free_clk:
- clk_put(clk);
- return ret;
-}
-
-TIMER_OF_DECLARE(h8300_16bit, "renesas,16bit-timer",
- h8300_16timer_init);
diff --git a/drivers/clocksource/h8300_timer8.c b/drivers/clocksource/h8300_timer8.c
deleted file mode 100644
index 47114c2a7cb5..000000000000
--- a/drivers/clocksource/h8300_timer8.c
+++ /dev/null
@@ -1,211 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/h8300/kernel/cpu/timer/timer8.c
- *
- * Yoshinori Sato <ysato@users.sourcefoge.jp>
- *
- * 8bit Timer driver
- *
- */
-
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/clockchips.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-
-#define _8TCR 0
-#define _8TCSR 2
-#define TCORA 4
-#define TCORB 6
-#define _8TCNT 8
-
-#define CMIEA 6
-#define CMFA 6
-
-#define FLAG_STARTED (1 << 3)
-
-#define SCALE 64
-
-#define bset(b, a) iowrite8(ioread8(a) | (1 << (b)), (a))
-#define bclr(b, a) iowrite8(ioread8(a) & ~(1 << (b)), (a))
-
-struct timer8_priv {
- struct clock_event_device ced;
- void __iomem *mapbase;
- unsigned long flags;
- unsigned int rate;
-};
-
-static irqreturn_t timer8_interrupt(int irq, void *dev_id)
-{
- struct timer8_priv *p = dev_id;
-
- if (clockevent_state_oneshot(&p->ced))
- iowrite16be(0x0000, p->mapbase + _8TCR);
-
- p->ced.event_handler(&p->ced);
-
- bclr(CMFA, p->mapbase + _8TCSR);
-
- return IRQ_HANDLED;
-}
-
-static void timer8_set_next(struct timer8_priv *p, unsigned long delta)
-{
- if (delta >= 0x10000)
- pr_warn("delta out of range\n");
- bclr(CMIEA, p->mapbase + _8TCR);
- iowrite16be(delta, p->mapbase + TCORA);
- iowrite16be(0x0000, p->mapbase + _8TCNT);
- bclr(CMFA, p->mapbase + _8TCSR);
- bset(CMIEA, p->mapbase + _8TCR);
-}
-
-static int timer8_enable(struct timer8_priv *p)
-{
- iowrite16be(0xffff, p->mapbase + TCORA);
- iowrite16be(0x0000, p->mapbase + _8TCNT);
- iowrite16be(0x0c02, p->mapbase + _8TCR);
-
- return 0;
-}
-
-static int timer8_start(struct timer8_priv *p)
-{
- int ret;
-
- if ((p->flags & FLAG_STARTED))
- return 0;
-
- ret = timer8_enable(p);
- if (!ret)
- p->flags |= FLAG_STARTED;
-
- return ret;
-}
-
-static void timer8_stop(struct timer8_priv *p)
-{
- iowrite16be(0x0000, p->mapbase + _8TCR);
-}
-
-static inline struct timer8_priv *ced_to_priv(struct clock_event_device *ced)
-{
- return container_of(ced, struct timer8_priv, ced);
-}
-
-static void timer8_clock_event_start(struct timer8_priv *p, unsigned long delta)
-{
- timer8_start(p);
- timer8_set_next(p, delta);
-}
-
-static int timer8_clock_event_shutdown(struct clock_event_device *ced)
-{
- timer8_stop(ced_to_priv(ced));
- return 0;
-}
-
-static int timer8_clock_event_periodic(struct clock_event_device *ced)
-{
- struct timer8_priv *p = ced_to_priv(ced);
-
- pr_info("%s: used for periodic clock events\n", ced->name);
- timer8_stop(p);
- timer8_clock_event_start(p, (p->rate + HZ/2) / HZ);
-
- return 0;
-}
-
-static int timer8_clock_event_oneshot(struct clock_event_device *ced)
-{
- struct timer8_priv *p = ced_to_priv(ced);
-
- pr_info("%s: used for oneshot clock events\n", ced->name);
- timer8_stop(p);
- timer8_clock_event_start(p, 0x10000);
-
- return 0;
-}
-
-static int timer8_clock_event_next(unsigned long delta,
- struct clock_event_device *ced)
-{
- struct timer8_priv *p = ced_to_priv(ced);
-
- BUG_ON(!clockevent_state_oneshot(ced));
- timer8_set_next(p, delta - 1);
-
- return 0;
-}
-
-static struct timer8_priv timer8_priv = {
- .ced = {
- .name = "h8300_8timer",
- .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
- .rating = 200,
- .set_next_event = timer8_clock_event_next,
- .set_state_shutdown = timer8_clock_event_shutdown,
- .set_state_periodic = timer8_clock_event_periodic,
- .set_state_oneshot = timer8_clock_event_oneshot,
- },
-};
-
-static int __init h8300_8timer_init(struct device_node *node)
-{
- void __iomem *base;
- int irq, ret;
- struct clk *clk;
-
- clk = of_clk_get(node, 0);
- if (IS_ERR(clk)) {
- pr_err("failed to get clock for clockevent\n");
- return PTR_ERR(clk);
- }
-
- ret = -ENXIO;
- base = of_iomap(node, 0);
- if (!base) {
- pr_err("failed to map registers for clockevent\n");
- goto free_clk;
- }
-
- ret = -EINVAL;
- irq = irq_of_parse_and_map(node, 0);
- if (!irq) {
- pr_err("failed to get irq for clockevent\n");
- goto unmap_reg;
- }
-
- timer8_priv.mapbase = base;
-
- timer8_priv.rate = clk_get_rate(clk) / SCALE;
- if (!timer8_priv.rate) {
- pr_err("Failed to get rate for the clocksource\n");
- goto unmap_reg;
- }
-
- if (request_irq(irq, timer8_interrupt, IRQF_TIMER,
- timer8_priv.ced.name, &timer8_priv) < 0) {
- pr_err("failed to request irq %d for clockevent\n", irq);
- goto unmap_reg;
- }
-
- clockevents_config_and_register(&timer8_priv.ced,
- timer8_priv.rate, 1, 0x0000ffff);
-
- return 0;
-unmap_reg:
- iounmap(base);
-free_clk:
- clk_put(clk);
- return ret;
-}
-
-TIMER_OF_DECLARE(h8300_8bit, "renesas,8bit-timer", h8300_8timer_init);
diff --git a/drivers/clocksource/h8300_tpu.c b/drivers/clocksource/h8300_tpu.c
deleted file mode 100644
index 17d4ab0f6ad1..000000000000
--- a/drivers/clocksource/h8300_tpu.c
+++ /dev/null
@@ -1,158 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * H8S TPU Driver
- *
- * Copyright 2015 Yoshinori Sato <ysato@users.sourcefoge.jp>
- *
- */
-
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/clocksource.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-
-#define TCR 0x0
-#define TSR 0x5
-#define TCNT 0x6
-
-#define TCFV 0x10
-
-struct tpu_priv {
- struct clocksource cs;
- void __iomem *mapbase1;
- void __iomem *mapbase2;
- raw_spinlock_t lock;
- unsigned int cs_enabled;
-};
-
-static inline unsigned long read_tcnt32(struct tpu_priv *p)
-{
- unsigned long tcnt;
-
- tcnt = ioread16be(p->mapbase1 + TCNT) << 16;
- tcnt |= ioread16be(p->mapbase2 + TCNT);
- return tcnt;
-}
-
-static int tpu_get_counter(struct tpu_priv *p, unsigned long long *val)
-{
- unsigned long v1, v2, v3;
- int o1, o2;
-
- o1 = ioread8(p->mapbase1 + TSR) & TCFV;
-
- /* Make sure the timer value is stable. Stolen from acpi_pm.c */
- do {
- o2 = o1;
- v1 = read_tcnt32(p);
- v2 = read_tcnt32(p);
- v3 = read_tcnt32(p);
- o1 = ioread8(p->mapbase1 + TSR) & TCFV;
- } while (unlikely((o1 != o2) || (v1 > v2 && v1 < v3)
- || (v2 > v3 && v2 < v1) || (v3 > v1 && v3 < v2)));
-
- *val = v2;
- return o1;
-}
-
-static inline struct tpu_priv *cs_to_priv(struct clocksource *cs)
-{
- return container_of(cs, struct tpu_priv, cs);
-}
-
-static u64 tpu_clocksource_read(struct clocksource *cs)
-{
- struct tpu_priv *p = cs_to_priv(cs);
- unsigned long flags;
- unsigned long long value;
-
- raw_spin_lock_irqsave(&p->lock, flags);
- if (tpu_get_counter(p, &value))
- value += 0x100000000;
- raw_spin_unlock_irqrestore(&p->lock, flags);
-
- return value;
-}
-
-static int tpu_clocksource_enable(struct clocksource *cs)
-{
- struct tpu_priv *p = cs_to_priv(cs);
-
- WARN_ON(p->cs_enabled);
-
- iowrite16be(0, p->mapbase1 + TCNT);
- iowrite16be(0, p->mapbase2 + TCNT);
- iowrite8(0x0f, p->mapbase1 + TCR);
- iowrite8(0x03, p->mapbase2 + TCR);
-
- p->cs_enabled = true;
- return 0;
-}
-
-static void tpu_clocksource_disable(struct clocksource *cs)
-{
- struct tpu_priv *p = cs_to_priv(cs);
-
- WARN_ON(!p->cs_enabled);
-
- iowrite8(0, p->mapbase1 + TCR);
- iowrite8(0, p->mapbase2 + TCR);
- p->cs_enabled = false;
-}
-
-static struct tpu_priv tpu_priv = {
- .cs = {
- .name = "H8S_TPU",
- .rating = 200,
- .read = tpu_clocksource_read,
- .enable = tpu_clocksource_enable,
- .disable = tpu_clocksource_disable,
- .mask = CLOCKSOURCE_MASK(sizeof(unsigned long) * 8),
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
- },
-};
-
-#define CH_L 0
-#define CH_H 1
-
-static int __init h8300_tpu_init(struct device_node *node)
-{
- void __iomem *base[2];
- struct clk *clk;
- int ret = -ENXIO;
-
- clk = of_clk_get(node, 0);
- if (IS_ERR(clk)) {
- pr_err("failed to get clock for clocksource\n");
- return PTR_ERR(clk);
- }
-
- base[CH_L] = of_iomap(node, CH_L);
- if (!base[CH_L]) {
- pr_err("failed to map registers for clocksource\n");
- goto free_clk;
- }
- base[CH_H] = of_iomap(node, CH_H);
- if (!base[CH_H]) {
- pr_err("failed to map registers for clocksource\n");
- goto unmap_L;
- }
-
- tpu_priv.mapbase1 = base[CH_L];
- tpu_priv.mapbase2 = base[CH_H];
-
- return clocksource_register_hz(&tpu_priv.cs, clk_get_rate(clk) / 64);
-
-unmap_L:
- iounmap(base[CH_H]);
-free_clk:
- clk_put(clk);
- return ret;
-}
-
-TIMER_OF_DECLARE(h8300_tpu, "renesas,tpu", h8300_tpu_init);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-21 20:56:21 +0300