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authorPaul Burton <paul.burton@imgtec.com>2016-08-26 15:17:43 +0100
committerRalf Baechle <ralf@linux-mips.org>2016-10-05 01:31:20 +0200
commit70bfdcec9ad9bcd3217f85fd422012777d86e168 (patch)
tree0d8fbff624e889d13491b32d60b2af228d1e4206 /arch
parentc764583f40b8d3cde3a3a0b4a40a7d2fa3987bed (diff)
MIPS: SEAD3: Reset via generic syscon-reboot driver & DT
Remove the SEAD3 implementation of _machine_restart & instead make use of the generic syscon-reboot driver probed via device tree. Signed-off-by: Paul Burton <paul.burton@imgtec.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/14056/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/boot/dts/mti/sead3.dts12
-rw-r--r--arch/mips/configs/sead3_defconfig3
-rw-r--r--arch/mips/mti-sead3/sead3-reset.c9
3 files changed, 14 insertions, 10 deletions
diff --git a/arch/mips/boot/dts/mti/sead3.dts b/arch/mips/boot/dts/mti/sead3.dts
index 0159450418ed..047ff7aa5c21 100644
--- a/arch/mips/boot/dts/mti/sead3.dts
+++ b/arch/mips/boot/dts/mti/sead3.dts
@@ -93,6 +93,18 @@
};
};
+ fpga_regs: system-controller@1f000000 {
+ compatible = "mti,sead3-fpga", "syscon", "simple-mfd";
+ reg = <0x1f000000 0x200>;
+
+ reboot {
+ compatible = "syscon-reboot";
+ regmap = <&fpga_regs>;
+ offset = <0x50>;
+ mask = <0x4d>;
+ };
+ };
+
system-controller@1f000200 {
compatible = "mti,sead3-cpld", "syscon", "simple-mfd";
reg = <0x1f000200 0x300>;
diff --git a/arch/mips/configs/sead3_defconfig b/arch/mips/configs/sead3_defconfig
index e1c6582ac710..055af3072652 100644
--- a/arch/mips/configs/sead3_defconfig
+++ b/arch/mips/configs/sead3_defconfig
@@ -80,8 +80,9 @@ CONFIG_I2C=y
CONFIG_I2C_CHARDEV=y
# CONFIG_I2C_HELPER_AUTO is not set
CONFIG_SPI=y
+CONFIG_POWER_RESET=y
+CONFIG_POWER_RESET_SYSCON=y
CONFIG_SENSORS_ADT7475=y
-CONFIG_MFD_SYSCON=y
CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_LCD_CLASS_DEVICE=y
CONFIG_BACKLIGHT_CLASS_DEVICE=y
diff --git a/arch/mips/mti-sead3/sead3-reset.c b/arch/mips/mti-sead3/sead3-reset.c
index e6fb24414a70..8f548f02eb49 100644
--- a/arch/mips/mti-sead3/sead3-reset.c
+++ b/arch/mips/mti-sead3/sead3-reset.c
@@ -13,14 +13,6 @@
#define SOFTRES_REG 0x1f000050
#define GORESET 0x4d
-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)
{
unsigned int __iomem *softres_reg =
@@ -31,7 +23,6 @@ static void mips_machine_halt(void)
static int __init mips_reboot_setup(void)
{
- _machine_restart = mips_machine_restart;
_machine_halt = mips_machine_halt;
pm_power_off = mips_machine_halt;