diff options
Diffstat (limited to '')
-rw-r--r-- | arch/h8300/boot/Makefile | 27 | ||||
-rw-r--r-- | arch/h8300/boot/compressed/Makefile | 43 | ||||
-rw-r--r-- | arch/h8300/boot/compressed/head.S | 49 | ||||
-rw-r--r-- | arch/h8300/boot/compressed/misc.c | 76 | ||||
-rw-r--r-- | arch/h8300/boot/compressed/vmlinux.lds | 35 | ||||
-rw-r--r-- | arch/h8300/boot/compressed/vmlinux.scr | 9 | ||||
-rw-r--r-- | arch/h8300/boot/dts/Makefile | 10 | ||||
-rw-r--r-- | arch/h8300/boot/dts/edosk2674.dts | 108 | ||||
-rw-r--r-- | arch/h8300/boot/dts/h8300h_sim.dts | 97 | ||||
-rw-r--r-- | arch/h8300/boot/dts/h8s_sim.dts | 100 |
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"; + }; +}; |