提交 10b6ea09 编写于 作者: P Paul Burton 提交者: Ralf Baechle

MIPS: Malta: Use syscon-reboot driver to reboot

Make use of the generic syscon-reboot driver to reboot the Malta board,
reducing the amount of platform code it requires.
Signed-off-by: NPaul Burton <paul.burton@imgtec.com>
Cc: Stephan Linz <linz@li-pro.net>
Cc: Jacek Anaszewski <j.anaszewski@samsung.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14279/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
上级 97af8e1c
......@@ -81,6 +81,18 @@
};
};
fpga_regs: system-controller@1f000000 {
compatible = "mti,malta-fpga", "syscon", "simple-mfd";
reg = <0x1f000000 0x1000>;
reboot {
compatible = "syscon-reboot";
regmap = <&fpga_regs>;
offset = <0x500>;
mask = <0x4d>;
};
};
isa {
compatible = "isa";
#address-cells = <2>;
......
......@@ -318,6 +318,8 @@ CONFIG_LIBERTAS=m
# CONFIG_SERIO_I8042 is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_SYSCON=y
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_FB_CIRRUS=y
......
......@@ -331,6 +331,8 @@ CONFIG_LIBERTAS=m
# CONFIG_SERIO_I8042 is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_SYSCON=y
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_FB_CIRRUS=y
......
......@@ -331,6 +331,8 @@ CONFIG_LIBERTAS=m
# CONFIG_SERIO_I8042 is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_SYSCON=y
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_FB_CIRRUS=y
......
......@@ -132,6 +132,8 @@ CONFIG_LEGACY_PTY_COUNT=4
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_HW_RANDOM=y
CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_SYSCON=y
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_FIRMWARE_EDID=y
......
......@@ -132,6 +132,8 @@ CONFIG_LEGACY_PTY_COUNT=16
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_HW_RANDOM=y
CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_SYSCON=y
# CONFIG_HWMON is not set
CONFIG_VIDEO_OUTPUT_CONTROL=m
CONFIG_FB=y
......
......@@ -134,6 +134,8 @@ CONFIG_LEGACY_PTY_COUNT=4
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_HW_RANDOM=y
CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_SYSCON=y
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_FIRMWARE_EDID=y
......
......@@ -137,6 +137,8 @@ CONFIG_LEGACY_PTY_COUNT=4
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_HW_RANDOM=y
CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_SYSCON=y
# CONFIG_HWMON is not set
CONFIG_VIDEO_OUTPUT_CONTROL=m
CONFIG_FB=y
......
......@@ -131,6 +131,8 @@ CONFIG_LEGACY_PTY_COUNT=16
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_HW_RANDOM=y
CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_SYSCON=y
# CONFIG_HWMON is not set
CONFIG_VIDEO_OUTPUT_CONTROL=m
CONFIG_FB=y
......
......@@ -326,6 +326,8 @@ CONFIG_LIBERTAS=m
# CONFIG_SERIO_I8042 is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_SYSCON=y
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_FB_CIRRUS=y
......
......@@ -8,21 +8,11 @@
*/
#include <linux/io.h>
#include <linux/pm.h>
#include <linux/reboot.h>
#include <asm/reboot.h>
#include <asm/mach-malta/malta-pm.h>
#define SOFTRES_REG 0x1f000500
#define GORESET 0x42
static void mips_machine_restart(char *command)
{
unsigned int __iomem *softres_reg =
ioremap(SOFTRES_REG, sizeof(unsigned int));
__raw_writel(GORESET, softres_reg);
}
static void mips_machine_halt(void)
{
while (true);
......@@ -33,12 +23,11 @@ static void mips_machine_power_off(void)
mips_pm_suspend(PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_SOFF);
pr_info("Failed to power down, resetting\n");
mips_machine_restart(NULL);
machine_restart(NULL);
}
static int __init mips_reboot_setup(void)
{
_machine_restart = mips_machine_restart;
_machine_halt = mips_machine_halt;
pm_power_off = mips_machine_power_off;
......
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