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-rw-r--r--arch/arm/mach-vexpress/Kconfig3
-rw-r--r--arch/arm/mach-vexpress/Makefile2
-rw-r--r--arch/arm/mach-vexpress/reset.c141
-rw-r--r--arch/arm/mach-vexpress/v2m.c13
4 files changed, 11 insertions, 148 deletions
diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
index 52d315b792c..0f1c5e53fb2 100644
--- a/arch/arm/mach-vexpress/Kconfig
+++ b/arch/arm/mach-vexpress/Kconfig
@@ -17,6 +17,9 @@ config ARCH_VEXPRESS
select NO_IOPORT
select PLAT_VERSATILE
select PLAT_VERSATILE_CLCD
+ select POWER_RESET
+ select POWER_RESET_VEXPRESS
+ select POWER_SUPPLY
select REGULATOR_FIXED_VOLTAGE if REGULATOR
select VEXPRESS_CONFIG
help
diff --git a/arch/arm/mach-vexpress/Makefile b/arch/arm/mach-vexpress/Makefile
index 80b64971fbd..42703e8b4d3 100644
--- a/arch/arm/mach-vexpress/Makefile
+++ b/arch/arm/mach-vexpress/Makefile
@@ -4,7 +4,7 @@
ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
-I$(srctree)/arch/arm/plat-versatile/include
-obj-y := v2m.o reset.o
+obj-y := v2m.o
obj-$(CONFIG_ARCH_VEXPRESS_CA9X4) += ct-ca9x4.o
obj-$(CONFIG_SMP) += platsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
diff --git a/arch/arm/mach-vexpress/reset.c b/arch/arm/mach-vexpress/reset.c
deleted file mode 100644
index 465923aa381..00000000000
--- a/arch/arm/mach-vexpress/reset.c
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * 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.
- *
- * Copyright (C) 2012 ARM Limited
- */
-
-#include <linux/jiffies.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/platform_device.h>
-#include <linux/stat.h>
-#include <linux/vexpress.h>
-
-static void vexpress_reset_do(struct device *dev, const char *what)
-{
- int err = -ENOENT;
- struct vexpress_config_func *func =
- vexpress_config_func_get_by_dev(dev);
-
- if (func) {
- unsigned long timeout;
-
- err = vexpress_config_write(func, 0, 0);
-
- timeout = jiffies + HZ;
- while (time_before(jiffies, timeout))
- cpu_relax();
- }
-
- dev_emerg(dev, "Unable to %s (%d)\n", what, err);
-}
-
-static struct device *vexpress_power_off_device;
-
-void vexpress_power_off(void)
-{
- vexpress_reset_do(vexpress_power_off_device, "power off");
-}
-
-static struct device *vexpress_restart_device;
-
-void vexpress_restart(char str, const char *cmd)
-{
- vexpress_reset_do(vexpress_restart_device, "restart");
-}
-
-static ssize_t vexpress_reset_active_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "%d\n", vexpress_restart_device == dev);
-}
-
-static ssize_t vexpress_reset_active_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- long value;
- int err = kstrtol(buf, 0, &value);
-
- if (!err && value)
- vexpress_restart_device = dev;
-
- return err ? err : count;
-}
-
-DEVICE_ATTR(active, S_IRUGO | S_IWUSR, vexpress_reset_active_show,
- vexpress_reset_active_store);
-
-
-enum vexpress_reset_func { FUNC_RESET, FUNC_SHUTDOWN, FUNC_REBOOT };
-
-static struct of_device_id vexpress_reset_of_match[] = {
- {
- .compatible = "arm,vexpress-reset",
- .data = (void *)FUNC_RESET,
- }, {
- .compatible = "arm,vexpress-shutdown",
- .data = (void *)FUNC_SHUTDOWN
- }, {
- .compatible = "arm,vexpress-reboot",
- .data = (void *)FUNC_REBOOT
- },
- {}
-};
-
-static int vexpress_reset_probe(struct platform_device *pdev)
-{
- enum vexpress_reset_func func;
- const struct of_device_id *match =
- of_match_device(vexpress_reset_of_match, &pdev->dev);
-
- if (match)
- func = (enum vexpress_reset_func)match->data;
- else
- func = pdev->id_entry->driver_data;
-
- switch (func) {
- case FUNC_SHUTDOWN:
- vexpress_power_off_device = &pdev->dev;
- break;
- case FUNC_RESET:
- if (!vexpress_restart_device)
- vexpress_restart_device = &pdev->dev;
- device_create_file(&pdev->dev, &dev_attr_active);
- break;
- case FUNC_REBOOT:
- vexpress_restart_device = &pdev->dev;
- device_create_file(&pdev->dev, &dev_attr_active);
- break;
- };
-
- return 0;
-}
-
-static const struct platform_device_id vexpress_reset_id_table[] = {
- { .name = "vexpress-reset", .driver_data = FUNC_RESET, },
- { .name = "vexpress-shutdown", .driver_data = FUNC_SHUTDOWN, },
- { .name = "vexpress-reboot", .driver_data = FUNC_REBOOT, },
- {}
-};
-
-static struct platform_driver vexpress_reset_driver = {
- .probe = vexpress_reset_probe,
- .driver = {
- .name = "vexpress-reset",
- .of_match_table = vexpress_reset_of_match,
- },
- .id_table = vexpress_reset_id_table,
-};
-
-static int __init vexpress_reset_init(void)
-{
- return platform_driver_register(&vexpress_reset_driver);
-}
-device_initcall(vexpress_reset_init);
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index d0ad78998cb..9366f37902d 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -22,6 +22,8 @@
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/vexpress.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
#include <asm/arch_timer.h>
#include <asm/mach-types.h>
@@ -361,8 +363,6 @@ static void __init v2m_init(void)
for (i = 0; i < ARRAY_SIZE(v2m_amba_devs); i++)
amba_device_register(v2m_amba_devs[i], &iomem_resource);
- pm_power_off = vexpress_power_off;
-
ct_desc->init_tile();
}
@@ -374,7 +374,6 @@ MACHINE_START(VEXPRESS, "ARM-Versatile Express")
.init_irq = v2m_init_irq,
.init_time = v2m_timer_init,
.init_machine = v2m_init,
- .restart = vexpress_restart,
MACHINE_END
static struct map_desc v2m_rs1_io_desc __initdata = {
@@ -433,7 +432,7 @@ static void __init v2m_dt_timer_init(void)
{
struct device_node *node = NULL;
- vexpress_clk_of_init();
+ of_clk_init(NULL);
clocksource_of_init();
do {
@@ -442,6 +441,10 @@ static void __init v2m_dt_timer_init(void)
if (node) {
pr_info("Using SP804 '%s' as a clock & events source\n",
node->full_name);
+ WARN_ON(clk_register_clkdev(of_clk_get_by_name(node,
+ "timclken1"), "v2m-timer0", "sp804"));
+ WARN_ON(clk_register_clkdev(of_clk_get_by_name(node,
+ "timclken2"), "v2m-timer1", "sp804"));
v2m_sp804_init(of_iomap(node, 0),
irq_of_parse_and_map(node, 0));
}
@@ -464,7 +467,6 @@ static void __init v2m_dt_init(void)
{
l2x0_of_init(0x00400000, 0xfe0fffff);
of_platform_populate(NULL, v2m_dt_bus_match, NULL, NULL);
- pm_power_off = vexpress_power_off;
}
static const char * const v2m_dt_match[] __initconst = {
@@ -481,5 +483,4 @@ DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express")
.init_irq = irqchip_init,
.init_time = v2m_dt_timer_init,
.init_machine = v2m_dt_init,
- .restart = vexpress_restart,
MACHINE_END
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-21 01:35:00 +0000