Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

10 files changed, 554 insertions, 0 deletions

diff --git a/arch/h8300/boot/Makefile b/arch/h8300/boot/Makefile
new file mode 100644
index 000000000..8e62df20e
--- /dev/null
+++ b/arch/h8300/boot/Makefile
@@ -0,0 +1,27 @@
+# SPDX-License-Identifier: GPL-2.0
+# arch/h8300/boot/Makefile
+
+targets := vmlinux.srec vmlinux.bin zImage
+subdir- := compressed
+
+OBJCOPYFLAGS_vmlinux.srec := -Osrec
+OBJCOPYFLAGS_vmlinux.bin  := -Obinary
+OBJCOPYFLAGS_zImage := -O binary -R .note -R .comment -R .stab -R .stabstr -S
+
+UIMAGE_LOADADDR = $(CONFIG_RAMBASE)
+UIMAGE_ENTRYADDR = $(shell /bin/bash -c 'printf "0x%08x" \
+	$$[$(CONFIG_RAMBASE) + $(CONFIG_OFFSET)]')
+
+$(obj)/vmlinux.srec $(obj)/vmlinux.bin:  vmlinux FORCE
+	$(call if_changed,objcopy)
+
+$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
+	$(call if_changed,objcopy)
+
+$(obj)/compressed/vmlinux: FORCE
+	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
+
+$(obj)/uImage.bin: $(obj)/vmlinux.bin
+	$(call if_changed,uimage,none)
+
+CLEAN_FILES += arch/$(ARCH)/vmlinux.bin arch/$(ARCH)/vmlinux.srec arch/$(ARCH)/uImage.bin
diff --git a/arch/h8300/boot/compressed/Makefile b/arch/h8300/boot/compressed/Makefile
new file mode 100644
index 000000000..9e2701069
--- /dev/null
+++ b/arch/h8300/boot/compressed/Makefile
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# linux/arch/sh/boot/compressed/Makefile
+#
+# create a compressed vmlinux image from the original vmlinux
+#
+
+targets		:= vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
+
+OBJECTS = $(obj)/head.o $(obj)/misc.o
+
+#
+# IMAGE_OFFSET is the load offset of the compression loader
+# Assign dummy values if these 2 variables are not defined,
+# in order to suppress error message.
+#
+CONFIG_MEMORY_START     ?= 0x00400000
+CONFIG_BOOT_LINK_OFFSET ?= 0x00280000
+IMAGE_OFFSET := $(shell printf "0x%08x" $$(($(CONFIG_MEMORY_START)+$(CONFIG_BOOT_LINK_OFFSET))))
+
+LIBGCC := $(shell $(CROSS-COMPILE)$(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
+LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -estartup -T $(obj)/vmlinux.lds \
+	--defsym output=$(CONFIG_MEMORY_START)
+
+$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
+	$(call if_changed,ld)
+
+$(obj)/vmlinux.bin: vmlinux FORCE
+	$(call if_changed,objcopy)
+
+suffix-$(CONFIG_KERNEL_GZIP)    := gzip
+suffix-$(CONFIG_KERNEL_LZO)     := lzo
+
+$(obj)/vmlinux.bin.$(suffix-y): $(obj)/vmlinux.bin FORCE
+	$(call if_changed,$(suffix-y))
+
+LDFLAGS_piggy.o := -r --format binary --oformat elf32-h8300-linux -T
+OBJCOPYFLAGS := -O binary
+
+$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
+	$(call if_changed,ld)
+
+CFLAGS_misc.o = -O0
diff --git a/arch/h8300/boot/compressed/head.S b/arch/h8300/boot/compressed/head.S
new file mode 100644
index 000000000..11ef50957
--- /dev/null
+++ b/arch/h8300/boot/compressed/head.S
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ *  linux/arch/h8300/boot/compressed/head.S
+ *
+ *  Copyright (C) 2006 Yoshinori Sato
+ */
+
+#include <linux/linkage.h>
+
+	.section	.text..startup,"ax"
+	.global	startup
+startup:
+	mov.l	#startup, sp
+	mov.l	er0, er4
+	mov.l	#__sbss, er0
+	mov.l	#__ebss, er1
+	sub.l	er0, er1
+	shlr	er1
+	shlr	er1
+	sub.l	er2, er2
+1:
+	mov.l	er2, @er0
+	adds	#4, er0
+	dec.l	#1, er1
+	bne	1b
+	jsr	@decompress_kernel
+	mov.l	er4, er0
+	jmp	@output
+
+	.align	9
+fake_headers_as_bzImage:
+	.word	0
+	.ascii	"HdrS"		; header signature
+	.word	0x0202		; header version number (>= 0x0105)
+				; or else old loadlin-1.5 will fail)
+	.word	0		; default_switch
+	.word	0		; SETUPSEG
+	.word	0x1000
+	.word	0		; pointing to kernel version string
+	.byte	0		; = 0, old one (LILO, Loadlin,
+				; 0xTV: T=0 for LILO
+				;       V = version
+	.byte	1		; Load flags bzImage=1
+	.word	0x8000		; size to move, when setup is not
+	.long	0x100000	; 0x100000 = default for big kernel
+	.long	0		; address of loaded ramdisk image
+	.long	0		; its size in bytes
+
+	.end
diff --git a/arch/h8300/boot/compressed/misc.c b/arch/h8300/boot/compressed/misc.c
new file mode 100644
index 000000000..8915d8fe2
--- /dev/null
+++ b/arch/h8300/boot/compressed/misc.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * arch/h8300/boot/compressed/misc.c
+ *
+ * This is a collection of several routines from gzip-1.0.3
+ * adapted for Linux.
+ *
+ * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
+ *
+ * Adapted for h8300 by Yoshinori Sato 2006
+ */
+
+#include <linux/uaccess.h>
+
+/*
+ * gzip declarations
+ */
+
+#define OF(args)  args
+#define STATIC static
+
+#undef memset
+#undef memcpy
+#define memzero(s, n)     memset((s), (0), (n))
+
+extern int _end;
+static unsigned long free_mem_ptr;
+static unsigned long free_mem_end_ptr;
+
+extern char input_data[];
+extern int input_len;
+extern char output[];
+
+#define HEAP_SIZE             0x10000
+
+#ifdef CONFIG_KERNEL_GZIP
+#include "../../../../lib/decompress_inflate.c"
+#endif
+
+#ifdef CONFIG_KERNEL_LZO
+#include "../../../../lib/decompress_unlzo.c"
+#endif
+
+void *memset(void *s, int c, size_t n)
+{
+	int i;
+	char *ss = (char *)s;
+
+	for (i = 0; i < n; i++)
+		ss[i] = c;
+	return s;
+}
+
+void *memcpy(void *dest, const void *src, size_t n)
+{
+	int i;
+	char *d = (char *)dest, *s = (char *)src;
+
+	for (i = 0; i < n; i++)
+		d[i] = s[i];
+	return dest;
+}
+
+static void error(char *x)
+{
+	while (1)
+		;	/* Halt */
+}
+
+void decompress_kernel(void)
+{
+	free_mem_ptr = (unsigned long)&_end;
+	free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
+
+	__decompress(input_data, input_len, NULL, NULL, output, 0, NULL, error);
+}
diff --git a/arch/h8300/boot/compressed/vmlinux.lds b/arch/h8300/boot/compressed/vmlinux.lds
new file mode 100644
index 000000000..7f7bb419c
--- /dev/null
+++ b/arch/h8300/boot/compressed/vmlinux.lds
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+SECTIONS
+{
+        .text :
+        {
+        __stext = . ;
+	__text = .;
+	       *(.text..startup)
+	       *(.text)
+        __etext = . ;
+        }
+
+	.rodata :
+	{
+		*(.rodata)
+	}
+        . = ALIGN(0x4) ;
+        .data :
+
+        {
+        . = ALIGN(0x4) ;
+        __sdata = . ;
+        ___data_start = . ;
+                *(.data.*)
+	}
+        . = ALIGN(0x4) ;
+        .bss :
+        {
+        __sbss = . ;
+                *(.bss*)
+        . = ALIGN(0x4) ;
+        __ebss = . ;
+        }
+        _end = . ;
+}
diff --git a/arch/h8300/boot/compressed/vmlinux.scr b/arch/h8300/boot/compressed/vmlinux.scr
new file mode 100644
index 000000000..a08490360
--- /dev/null
+++ b/arch/h8300/boot/compressed/vmlinux.scr
@@ -0,0 +1,9 @@
+SECTIONS
+{
+  .data : {
+	input_len = .;
+	LONG(input_data_end - input_data) input_data = .;
+	*(.data)
+	input_data_end = .;
+	}
+}
diff --git a/arch/h8300/boot/dts/Makefile b/arch/h8300/boot/dts/Makefile
new file mode 100644
index 000000000..69fcd8178
--- /dev/null
+++ b/arch/h8300/boot/dts/Makefile
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+ifneq '$(CONFIG_H8300_BUILTIN_DTB)' '""'
+BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_H8300_BUILTIN_DTB)).dtb.o
+endif
+
+obj-y += $(BUILTIN_DTB)
+
+dtb-$(CONFIG_H8300H_SIM) := h8300h_sim.dtb
+dtb-$(CONFIG_H8S_SIM) := h8s_sim.dtb
+dtb-$(CONFIG_H8S_EDOSK2674) := edosk2674.dtb
diff --git a/arch/h8300/boot/dts/edosk2674.dts b/arch/h8300/boot/dts/edosk2674.dts
new file mode 100644
index 000000000..d1733805e
--- /dev/null
+++ b/arch/h8300/boot/dts/edosk2674.dts
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+/ {
+	compatible = "renesas,edosk2674";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	interrupt-parent = <&h8intc>;
+
+	chosen {
+		bootargs = "console=ttySC2,38400";
+		stdout-path = &sci2;
+	};
+	aliases {
+		serial0 = &sci0;
+		serial1 = &sci1;
+		serial2 = &sci2;
+	};
+
+	xclk: oscillator {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <33333333>;
+		clock-output-names = "xtal";
+	};
+	pllclk: pllclk {
+		compatible = "renesas,h8s2678-pll-clock";
+		clocks = <&xclk>;
+		#clock-cells = <0>;
+		reg = <0xffff3b 1>, <0xffff45 1>;
+	};
+	core_clk: core_clk {
+		compatible = "renesas,h8300-div-clock";
+		clocks = <&pllclk>;
+		#clock-cells = <0>;
+		reg = <0xffff3b 1>;
+		renesas,width = <3>;
+	};
+	fclk: fclk {
+		compatible = "fixed-factor-clock";
+		clocks = <&core_clk>;
+		#clock-cells = <0>;
+		clock-div = <1>;
+		clock-mult = <1>;
+	};
+
+	memory@400000 {
+		device_type = "memory";
+		reg = <0x400000 0x800000>;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		cpu@0 {
+			compatible = "renesas,h8300";
+			clock-frequency = <33333333>;
+		};
+	};
+
+	h8intc: interrupt-controller@fffe00 {
+		compatible = "renesas,h8s-intc", "renesas,h8300-intc";
+		#interrupt-cells = <2>;
+		interrupt-controller;
+		reg = <0xfffe00 24>;
+	};
+
+	bsc: memory-controller@fffec0 {
+		compatible = "renesas,h8s-bsc", "renesas,h8300-bsc";
+		reg = <0xfffec0 24>;
+	};
+
+	tpu: timer@ffffe0 {
+		compatible = "renesas,tpu";
+		reg = <0xffffe0 16>, <0xfffff0 12>;
+		clocks = <&fclk>;
+		clock-names = "fck";
+	};
+
+	timer8: timer@ffffb0 {
+		compatible = "renesas,8bit-timer";
+		reg = <0xffffb0 10>;
+		interrupts = <72 0>;
+		clocks = <&fclk>;
+		clock-names = "fck";
+	};
+
+	sci0: serial@ffff78 {
+		compatible = "renesas,sci";
+		reg = <0xffff78 8>;
+		interrupts = <88 0>, <89 0>, <90 0>, <91 0>;
+		clocks = <&fclk>;
+		clock-names = "fck";
+	};
+	sci1: serial@ffff80 {
+		compatible = "renesas,sci";
+		reg = <0xffff80 8>;
+		interrupts = <92 0>, <93 0>, <94 0>, <95 0>;
+		clocks = <&fclk>;
+		clock-names = "fck";
+	};
+	sci2: serial@ffff88 {
+		compatible = "renesas,sci";
+		reg = <0xffff88 8>;
+		interrupts = <96 0>, <97 0>, <98 0>, <99 0>;
+		clocks = <&fclk>;
+		clock-names = "fck";
+	};
+};
diff --git a/arch/h8300/boot/dts/h8300h_sim.dts b/arch/h8300/boot/dts/h8300h_sim.dts
new file mode 100644
index 000000000..595398b9d
--- /dev/null
+++ b/arch/h8300/boot/dts/h8300h_sim.dts
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+/ {
+	compatible = "gnu,gdbsim";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	interrupt-parent = <&h8intc>;
+
+	chosen {
+		bootargs = "earlyprintk=h8300-sim";
+		stdout-path = <&sci0>;
+	};
+	aliases {
+		serial0 = &sci0;
+		serial1 = &sci1;
+	};
+
+	xclk: oscillator {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <20000000>;
+		clock-output-names = "xtal";
+	};
+	core_clk: core_clk {
+		compatible = "renesas,h8300-div-clock";
+		clocks = <&xclk>;
+		#clock-cells = <0>;
+		reg = <0xfee01b 2>;
+		renesas,width = <2>;
+	};
+	fclk: fclk {
+		compatible = "fixed-factor-clock";
+		clocks = <&core_clk>;
+		#clock-cells = <0>;
+		clock-div = <1>;
+		clock-mult = <1>;
+	};
+
+	memory@400000 {
+		device_type = "memory";
+		reg = <0x400000 0x400000>;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		cpu@0 {
+			compatible = "renesas,h8300";
+			clock-frequency = <20000000>;
+		};
+	};
+
+	h8intc: interrupt-controller@fee012 {
+		compatible = "renesas,h8300h-intc", "renesas,h8300-intc";
+		#interrupt-cells = <2>;
+		interrupt-controller;
+		reg = <0xfee012 7>;
+	};
+
+	bsc: memory-controller@fee01e {
+		compatible = "renesas,h8300h-bsc", "renesas,h8300-bsc";
+		reg = <0xfee01e 8>;
+	};
+
+	timer8: timer@ffff80 {
+		compatible = "renesas,8bit-timer";
+		reg = <0xffff80 10>;
+		interrupts = <36 0>;
+		clocks = <&fclk>;
+		clock-names = "fck";
+	};
+
+	timer16: timer@ffff68 {
+		compatible = "renesas,16bit-timer";
+		reg = <0xffff68 8>, <0xffff60 8>;
+		interrupts = <26 0>;
+		renesas,channel = <0>;
+		clocks = <&fclk>;
+		clock-names = "fck";
+	};
+
+	sci0: serial@ffffb0 {
+		compatible = "renesas,sci";
+		reg = <0xffffb0 8>;
+		interrupts = <52 0>, <53 0>, <54 0>, <55 0>;
+		clocks = <&fclk>;
+		clock-names = "fck";
+	};
+
+	sci1: serial@ffffb8 {
+		compatible = "renesas,sci";
+		reg = <0xffffb8 8>;
+		interrupts = <56 0>, <57 0>, <58 0>, <59 0>;
+		clocks = <&fclk>;
+		clock-names = "fck";
+	};
+};
diff --git a/arch/h8300/boot/dts/h8s_sim.dts b/arch/h8300/boot/dts/h8s_sim.dts
new file mode 100644
index 000000000..932cc3c5a
--- /dev/null
+++ b/arch/h8300/boot/dts/h8s_sim.dts
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+/ {
+	compatible = "gnu,gdbsim";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	interrupt-parent = <&h8intc>;
+
+	chosen {
+		bootargs = "earlyprintk=h8300-sim";
+		stdout-path = <&sci0>;
+	};
+	aliases {
+		serial0 = &sci0;
+		serial1 = &sci1;
+	};
+
+	xclk: oscillator {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <33333333>;
+		clock-output-names = "xtal";
+	};
+	pllclk: pllclk {
+		compatible = "renesas,h8s2678-pll-clock";
+		clocks = <&xclk>;
+		#clock-cells = <0>;
+		reg = <0xfee03b 2>, <0xfee045 2>;
+	};
+	core_clk: core_clk {
+		compatible = "renesas,h8300-div-clock";
+		clocks = <&pllclk>;
+		#clock-cells = <0>;
+		reg = <0xfee03b 2>;
+		renesas,width = <3>;
+	};
+	fclk: fclk {
+		compatible = "fixed-factor-clock";
+		clocks = <&core_clk>;
+		#clock-cells = <0>;
+		clock-div = <1>;
+		clock-mult = <1>;
+	};
+
+	memory@400000 {
+		device_type = "memory";
+		reg = <0x400000 0x800000>;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		cpu@0 {
+			compatible = "renesas,h8300";
+			clock-frequency = <33333333>;
+		};
+	};
+
+	h8intc: interrupt-controller@fffe00 {
+		compatible = "renesas,h8s-intc", "renesas,h8300-intc";
+		#interrupt-cells = <2>;
+		interrupt-controller;
+		reg = <0xfffe00 24>;
+	};
+
+	bsc: memory-controller@fffec0 {
+		compatible = "renesas,h8s-bsc", "renesas,h8300-bsc";
+		reg = <0xfffec0 24>;
+	};
+
+	tpu: timer@ffffe0 {
+		compatible = "renesas,tpu";
+		reg = <0xffffe0 16>, <0xfffff0 12>;
+		clocks = <&fclk>;
+		clock-names = "fck";
+	};
+
+	timer8: timer@ffffb0 {
+		compatible = "renesas,8bit-timer";
+		reg = <0xffffb0 10>;
+		interrupts = <72 0>;
+		clocks = <&fclk>;
+		clock-names = "fck";
+	};
+
+	sci0: serial@ffff78 {
+		compatible = "renesas,sci";
+		reg = <0xffff78 8>;
+		interrupts = <88 0>, <89 0>, <90 0>, <91 0>;
+		clocks = <&fclk>;
+		clock-names = "fck";
+	};
+	sci1: serial@ffff80 {
+		compatible = "renesas,sci";
+		reg = <0xffff80 8>;
+		interrupts = <92 0>, <93 0>, <94 0>, <95 0>;
+		clocks = <&fclk>;
+		clock-names = "fck";
+	};
+};