Browse Source

Add support for the GnuBee Personal Cloud One

L. D. Pinney 4 years ago
parent
commit
ffe889d2c6

+ 3 - 0
target/linux/ramips/base-files/etc/board.d/01_leds

@@ -171,6 +171,9 @@ fonera20n)
 	set_usb_led "$board:orange:usb"
 	set_wifi_led "$board:orange:wifi"
 	;;
+gb-pc1|\
+	ucidef_set_led_default "$board:green:status"
+	;;
 gl-mt300a|\
 gl-mt300n|\
 gl-mt750)

+ 1 - 0
target/linux/ramips/base-files/etc/board.d/02_network

@@ -75,6 +75,7 @@ ramips_setup_interfaces()
 	dir-320-b1|\
 	dir-610-a1|\
 	dir-615-h1|\
+	gb-pc1|\
 	firewrt|\
 	hlk-rm04|\
 	mac1200rv2|\

+ 1 - 0
target/linux/ramips/base-files/etc/diag.sh

@@ -69,6 +69,7 @@ get_status_led() {
 	dir-620-a1|\
 	dir-620-d1|\
 	dwr-512-b|\
+	gb-pc1|\
 	hpm|\
 	hw550-3g|\
 	mac1200rv2|\

+ 3 - 0
target/linux/ramips/base-files/lib/ramips.sh

@@ -202,6 +202,9 @@ ramips_board_detect() {
 	*"FreeStation5")
 		name="freestation5"
 		;;
+	*"GB-PC1")
+		name="gb-pc1"
+		;;
 	*"GL-MT300A")
 		name="gl-mt300a"
 		;;

+ 1 - 0
target/linux/ramips/base-files/lib/upgrade/platform.sh

@@ -57,6 +57,7 @@ platform_check_image() {
 	firewrt|\
 	fonera20n|\
 	freestation5|\
+	gb-pc1|\
 	gl-mt300a|\
 	gl-mt300n|\
 	gl-mt750|\

+ 135 - 0
target/linux/ramips/dts/GB-PC1.dts

@@ -0,0 +1,135 @@
+/dts-v1/;
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "mediatek,mt7621-eval-board", "mediatek,mt7621-soc";
+	model = "GB-PC1";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x1c000000>, <0x20000000 0x4000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+
+	sdhci@10130000 {
+		status = "okay";
+	};
+
+	palmbus@1E000000 {
+		spi@b00 {
+			status = "okay";
+
+			m25p80@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				compatible = "jedec,spi-nor";
+				reg = <0 0>;
+				linux,modalias = "m25p80";
+				spi-max-frequency = <10000000>;
+				m25p,chunked-io = <32>;
+
+				partition@0 {
+					label = "u-boot";
+					reg = <0x0 0x30000>;
+					read-only;
+				};
+
+				partition@30000 {
+					label = "u-boot-env";
+					reg = <0x30000 0x10000>;
+				};
+
+				partition@40000 {
+					label = "firmware";
+					reg = <0x50000 0x1fb0000>;
+				};
+
+			};
+		};
+
+		i2c@900 {
+			compatible = "ralink,i2c-mt7621";
+			reg = <0x900 0x100>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c_pins>;
+			status = "okay";
+		};
+	};
+
+	pcie@1e140000 {
+		status = "okay";
+	};
+
+	ethernet@1e100000 {
+		status = "okay";
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <20>;
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 18 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_RESTART>;
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		status {
+			label = "gnubee:green:status";
+			gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
+		};
+
+		system {
+			label = "gnubee:green:system";
+			gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	gpio-power {
+		compatible = "gpio-power";
+
+		26 {
+			label = "gnubee:power:gpio26";
+			gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
+		};
+
+		28 {
+			label = "gnubee:power:gpio28";
+			gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>;
+		};
+
+		29 {
+			label = "gnubee:power:gpio29";
+			gpios = <&gpio0 29 GPIO_ACTIVE_LOW>;
+		};
+
+		30 {
+			label = "gnubee:power:gpio30";
+			gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	pinctrl {
+		state_default: pinctrl0 {
+			gpio {
+				ralink,group = "wdt", "rgmii2", "mdio";
+				ralink,function = "gpio";
+			};
+		};
+	};
+};

+ 42 - 0
target/linux/ramips/image/mt7621.mk

@@ -0,0 +1,42 @@
+#
+# MT7621 Profiles
+#
+
+define Device/gb-pc1
+  DTS := GB-PC1
+  DEVICE_TITLE := GnuBee Personal Cloud One
+  DEVICE_PACKAGES := kmod-ata-core kmod-ata-ahci
+  IMAGE_SIZE := $(ralink_default_fw_size_32M)
+endef
+
+TARGET_DEVICES += gb-pc1
+
+define Device/mt7621
+  DTS := MT7621
+  BLOCKSIZE := 64k
+  IMAGE_SIZE := $(ralink_default_fw_size_4M)
+  DEVICE_TITLE := MediaTek MT7621 EVB
+endef
+TARGET_DEVICES += mt7621
+
+define Device/timecloud
+  DTS := Timecloud
+  DEVICE_TITLE := Thunder Timecloud
+endef
+TARGET_DEVICES += timecloud
+
+define Device/vr500
+  DTS := VR500
+  IMAGE_SIZE := 66453504
+  DEVICE_TITLE := Planex VR500
+endef
+TARGET_DEVICES += vr500
+
+# FIXME: is this still needed?
+define Image/Prepare
+#define Build/Compile
+	rm -rf $(KDIR)/relocate
+	$(CP) ../../generic/image/relocate $(KDIR)
+	$(MAKE) -C $(KDIR)/relocate KERNEL_ADDR=$(KERNEL_LOADADDR) CROSS_COMPILE=$(TARGET_CROSS)
+	$(CP) $(KDIR)/relocate/loader.bin $(KDIR)/loader.bin
+endef

+ 269 - 0
target/linux/ramips/mt7621/config-4.4

@@ -0,0 +1,269 @@
+CONFIG_ARCH_BINFMT_ELF_STATE=y
+CONFIG_ARCH_CLOCKSOURCE_DATA=y
+CONFIG_ARCH_DISCARD_MEMBLOCK=y
+CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
+CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
+# CONFIG_ARCH_HAS_GCOV_PROFILE_ALL is not set
+CONFIG_ARCH_HAS_RESET_CONTROLLER=y
+# CONFIG_ARCH_HAS_SG_CHAIN is not set
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
+CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_ARCH_SUPPORTS_UPROBES=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ARCH_USE_BUILTIN_BSWAP=y
+CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
+CONFIG_BOARD_SCACHE=y
+CONFIG_BOUNCE=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_CEVT_R4K=y
+# CONFIG_CEVT_SYSTICK_QUIRK is not set
+CONFIG_CLKDEV_LOOKUP=y
+CONFIG_CLKSRC_MIPS_GIC=y
+CONFIG_CLKSRC_OF=y
+CONFIG_CLKSRC_PROBE=y
+CONFIG_CLONE_BACKWARDS=y
+CONFIG_CMDLINE="rootfstype=squashfs,jffs2"
+CONFIG_CMDLINE_BOOL=y
+# CONFIG_CMDLINE_OVERRIDE is not set
+CONFIG_COMMON_CLK=y
+CONFIG_CPU_GENERIC_DUMP_TLB=y
+CONFIG_CPU_HAS_PREFETCH=y
+CONFIG_CPU_HAS_SYNC=y
+CONFIG_CPU_LITTLE_ENDIAN=y
+CONFIG_CPU_MIPS32=y
+# CONFIG_CPU_MIPS32_R1 is not set
+CONFIG_CPU_MIPS32_R2=y
+CONFIG_CPU_MIPSR2=y
+CONFIG_CPU_MIPSR2_IRQ_EI=y
+CONFIG_CPU_MIPSR2_IRQ_VI=y
+CONFIG_CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS=y
+CONFIG_CPU_R4K_CACHE_TLB=y
+CONFIG_CPU_R4K_FPU=y
+CONFIG_CPU_RMAP=y
+CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_HIGHMEM=y
+CONFIG_CPU_SUPPORTS_MSA=y
+CONFIG_CRC16=y
+CONFIG_CRYPTO_DEFLATE=y
+CONFIG_CRYPTO_LZO=y
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_WORKQUEUE=y
+CONFIG_CSRC_R4K=y
+CONFIG_DEBUG_PINCTRL=y
+CONFIG_DMA_NONCOHERENT=y
+# CONFIG_DTB_MT7621_EVAL is not set
+CONFIG_DTB_RT_NONE=y
+CONFIG_DTC=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_GENERIC_ATOMIC64=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CMOS_UPDATE=y
+CONFIG_GENERIC_IO=y
+CONFIG_GENERIC_IRQ_CHIP=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GENERIC_SCHED_CLOCK=y
+CONFIG_GENERIC_SMP_IDLE_THREAD=y
+CONFIG_GENERIC_TIME_VSYSCALL=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_DEVRES=y
+CONFIG_GPIO_MT7621=y
+# CONFIG_GPIO_RALINK is not set
+CONFIG_GPIO_SYSFS=y
+CONFIG_HARDWARE_WATCHPOINTS=y
+CONFIG_HAS_DMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT_MAP=y
+# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
+# CONFIG_HAVE_ARCH_BITREVERSE is not set
+CONFIG_HAVE_ARCH_JUMP_LABEL=y
+CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
+CONFIG_HAVE_BPF_JIT=y
+CONFIG_HAVE_CC_STACKPROTECTOR=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_CLK_PREPARE=y
+CONFIG_HAVE_CONTEXT_TRACKING=y
+CONFIG_HAVE_C_RECORDMCOUNT=y
+CONFIG_HAVE_DEBUG_KMEMLEAK=y
+CONFIG_HAVE_DEBUG_STACKOVERFLOW=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+CONFIG_HAVE_DMA_ATTRS=y
+CONFIG_HAVE_DMA_CONTIGUOUS=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_HAVE_IDE=y
+CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
+CONFIG_HAVE_KVM=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_HAVE_MACH_CLKDEV=y
+CONFIG_HAVE_MEMBLOCK=y
+CONFIG_HAVE_MEMBLOCK_NODE_MAP=y
+CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
+CONFIG_HAVE_NET_DSA=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
+CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
+CONFIG_HIGHMEM=y
+CONFIG_HW_HAS_PCI=y
+CONFIG_HZ_PERIODIC=y
+CONFIG_I2C=y
+CONFIG_I2C_MT7621=y
+# CONFIG_IMG_MDC_DMA is not set
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_IRQCHIP=y
+CONFIG_IRQ_DOMAIN=y
+CONFIG_IRQ_FORCED_THREADING=y
+CONFIG_IRQ_MIPS_CPU=y
+CONFIG_IRQ_WORK=y
+CONFIG_LIBFDT=y
+CONFIG_LZO_COMPRESS=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_MDIO_BOARDINFO=y
+CONFIG_MIPS=y
+CONFIG_MIPS_CLOCK_VSYSCALL=y
+CONFIG_MIPS_CM=y
+# CONFIG_MIPS_CMDLINE_DTB_EXTEND is not set
+# CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER is not set
+CONFIG_MIPS_CMDLINE_FROM_DTB=y
+CONFIG_MIPS_CPC=y
+CONFIG_MIPS_CPS=y
+# CONFIG_MIPS_CPS_NS16550 is not set
+CONFIG_MIPS_CPU_SCACHE=y
+# CONFIG_MIPS_ELF_APPENDED_DTB is not set
+CONFIG_MIPS_GIC=y
+CONFIG_MIPS_GIC_IPI=y
+# CONFIG_MIPS_HUGE_TLB_SUPPORT is not set
+CONFIG_MIPS_L1_CACHE_SHIFT=5
+# CONFIG_MIPS_MACHINE is not set
+CONFIG_MIPS_MT=y
+CONFIG_MIPS_MT_FPAFF=y
+CONFIG_MIPS_MT_SMP=y
+CONFIG_MIPS_NO_APPENDED_DTB=y
+CONFIG_MIPS_PERF_SHARED_TC_COUNTERS=y
+# CONFIG_MIPS_RAW_APPENDED_DTB is not set
+CONFIG_MIPS_SPRAM=y
+# CONFIG_MIPS_VPE_LOADER is not set
+CONFIG_MODULES_USE_ELF_REL=y
+CONFIG_MT7621_WDT=y
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_M25P80=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_ECC=y
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_SPI_NOR=y
+CONFIG_MTD_SPLIT_FIRMWARE=y
+CONFIG_MTD_SPLIT_SEAMA_FW=y
+CONFIG_MTD_SPLIT_TRX_FW=y
+CONFIG_MTD_SPLIT_UIMAGE_FW=y
+CONFIG_MTD_UBI=y
+CONFIG_MTD_UBI_BEB_LIMIT=20
+CONFIG_MTD_UBI_BLOCK=y
+# CONFIG_MTD_UBI_FASTMAP is not set
+# CONFIG_MTD_UBI_GLUEBI is not set
+CONFIG_MTD_UBI_WL_THRESHOLD=4096
+CONFIG_MTK_MTD_NAND=y
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_NET_FLOW_LIMIT=y
+CONFIG_NET_MEDIATEK_GSW_MT7621=y
+CONFIG_NET_MEDIATEK_MDIO=y
+CONFIG_NET_MEDIATEK_MDIO_MT7620=y
+CONFIG_NET_MEDIATEK_MT7621=y
+CONFIG_NET_MEDIATEK_SOC=y
+CONFIG_NET_VENDOR_MEDIATEK=y
+CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y
+# CONFIG_NO_IOPORT_MAP is not set
+CONFIG_NR_CPUS=4
+CONFIG_OF=y
+CONFIG_OF_ADDRESS=y
+CONFIG_OF_ADDRESS_PCI=y
+CONFIG_OF_EARLY_FLATTREE=y
+CONFIG_OF_FLATTREE=y
+CONFIG_OF_GPIO=y
+CONFIG_OF_IRQ=y
+CONFIG_OF_MDIO=y
+CONFIG_OF_MTD=y
+CONFIG_OF_NET=y
+CONFIG_OF_PCI=y
+CONFIG_OF_PCI_IRQ=y
+CONFIG_PCI=y
+CONFIG_PCI_DISABLE_COMMON_QUIRKS=y
+CONFIG_PCI_DOMAINS=y
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_PGTABLE_LEVELS=2
+CONFIG_PHYLIB=y
+# CONFIG_PHY_RALINK_USB is not set
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_RT2880=y
+# CONFIG_PINCTRL_SINGLE is not set
+CONFIG_POWER_RESET=y
+CONFIG_POWER_RESET_GPIO=y
+CONFIG_POWER_SUPPLY=y
+CONFIG_RALINK=y
+# CONFIG_RALINK_WDT is not set
+CONFIG_RATIONAL=y
+CONFIG_RCU_STALL_COMMON=y
+CONFIG_RESET_CONTROLLER=y
+CONFIG_RFS_ACCEL=y
+CONFIG_RPS=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_PCF8563=y
+CONFIG_SCHED_HRTICK=y
+# CONFIG_SCHED_INFO is not set
+CONFIG_SCHED_SMT=y
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SERIAL_8250_FSL is not set
+CONFIG_SERIAL_8250_NR_UARTS=3
+CONFIG_SERIAL_8250_RUNTIME_UARTS=3
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_SMP=y
+CONFIG_SMP_UP=y
+# CONFIG_SOC_MT7620 is not set
+CONFIG_SOC_MT7621=y
+# CONFIG_SOC_RT288X is not set
+# CONFIG_SOC_RT305X is not set
+# CONFIG_SOC_RT3883 is not set
+CONFIG_SPI=y
+CONFIG_SPI_MASTER=y
+CONFIG_SPI_MT7621=y
+# CONFIG_SPI_RT2880 is not set
+CONFIG_SRCU=y
+CONFIG_SWCONFIG=y
+CONFIG_SYNC_R4K=y
+CONFIG_SYSCTL_EXCEPTION_TRACE=y
+CONFIG_SYS_HAS_CPU_MIPS32_R1=y
+CONFIG_SYS_HAS_CPU_MIPS32_R2=y
+CONFIG_SYS_HAS_EARLY_PRINTK=y
+CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_SYS_SUPPORTS_HIGHMEM=y
+CONFIG_SYS_SUPPORTS_HOTPLUG_CPU=y
+CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
+CONFIG_SYS_SUPPORTS_MIPS16=y
+CONFIG_SYS_SUPPORTS_MIPS_CPS=y
+CONFIG_SYS_SUPPORTS_MULTITHREADING=y
+CONFIG_SYS_SUPPORTS_SCHED_SMT=y
+CONFIG_SYS_SUPPORTS_SMP=y
+CONFIG_TICK_CPU_ACCOUNTING=y
+CONFIG_TREE_RCU=y
+CONFIG_UBIFS_FS=y
+CONFIG_UBIFS_FS_ADVANCED_COMPR=y
+CONFIG_UBIFS_FS_LZO=y
+CONFIG_UBIFS_FS_ZLIB=y
+CONFIG_USB_SUPPORT=y
+CONFIG_USE_OF=y
+CONFIG_WATCHDOG_CORE=y
+CONFIG_WEAK_ORDERING=y
+CONFIG_XPS=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZONE_DMA_FLAG=0

+ 19 - 0
target/linux/ramips/mt7621/profiles/00-default.mk

@@ -0,0 +1,19 @@
+#
+# Copyright (C) 2011 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+define Profile/Default
+	NAME:=Default Profile
+	PRIORITY:=1
+	PACKAGES:=\
+		kmod-usb-core kmod-usb3 \
+		kmod-usb-ledtrig-usbport
+endef
+
+define Profile/Default/Description
+	Default package set compatible with most boards.
+endef
+$(eval $(call Profile,Default))

+ 17 - 0
target/linux/ramips/mt7621/target.mk

@@ -0,0 +1,17 @@
+#
+# Copyright (C) 2009 OpenWrt.org
+#
+
+SUBTARGET:=mt7621
+BOARDNAME:=MT7621 based boards
+FEATURES+=usb rtc nand
+CPU_TYPE:=24kc
+
+DEFAULT_PACKAGES += kmod-usb3
+
+KERNEL_PATCHVER:=4.4
+
+define Target/Description
+	Build firmware images for Ralink MT7621 based boards.
+endef
+

+ 43 - 0
target/linux/ramips/patches-4.4/0902-mediatek-4-byte-spi-reset.patch

@@ -0,0 +1,43 @@
+diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
+index fe9ceb7..2151975 100644
+--- a/drivers/mtd/devices/m25p80.c
++++ b/drivers/mtd/devices/m25p80.c
+@@ -27,6 +27,9 @@
+ #include <linux/spi/flash.h>
+ #include <linux/mtd/spi-nor.h>
+ 
++#define OPCODE_RESET_ENABLE	0x66
++#define OPCODE_RESET		0x99
++
+ #define	MAX_CMD_SIZE		6
+ struct m25p {
+ 	struct spi_device	*spi;
+@@ -168,6 +171,17 @@ static int m25p80_erase(struct spi_nor *nor, loff_t offset)
+ 	return 0;
+ }
+ 
++void m25p80_reboot(struct mtd_info *mtd)
++{
++	struct spi_nor *nor = container_of(mtd, struct spi_nor, mtd);
++	struct m25p *flash = nor->priv;
++
++	flash->command[0] = OPCODE_RESET_ENABLE;
++	spi_write(flash->spi, flash->command, 1);
++	flash->command[0] = OPCODE_RESET;
++	spi_write(flash->spi, flash->command, 1);
++}
++
+ /*
+  * board specific setup should have ensured the SPI clock used here
+  * matches what the READ command supports, at least until this driver
+@@ -197,6 +211,7 @@ static int m25p_probe(struct spi_device *spi)
+ 	nor->erase = m25p80_erase;
+ 	nor->write_reg = m25p80_write_reg;
+ 	nor->read_reg = m25p80_read_reg;
++	nor->mtd._reboot = m25p80_reboot;
+ 
+ 	nor->dev = &spi->dev;
+ 	nor->flash_node = spi->dev.of_node;
+-- 
+2.9.3
+