diff options
Diffstat (limited to 'arch/sandbox/board')
-rw-r--r-- | arch/sandbox/board/.gitignore | 1 | ||||
-rw-r--r-- | arch/sandbox/board/Makefile | 9 | ||||
-rw-r--r-- | arch/sandbox/board/barebox.lds.S | 229 | ||||
-rw-r--r-- | arch/sandbox/board/board.c | 42 | ||||
-rw-r--r-- | arch/sandbox/board/clock.c | 48 | ||||
-rw-r--r-- | arch/sandbox/board/config.h | 6 | ||||
-rw-r--r-- | arch/sandbox/board/console.c | 52 | ||||
-rw-r--r-- | arch/sandbox/board/env/bin/init | 7 | ||||
-rw-r--r-- | arch/sandbox/board/env/config | 8 | ||||
-rw-r--r-- | arch/sandbox/board/hostfile.c | 114 |
10 files changed, 516 insertions, 0 deletions
diff --git a/arch/sandbox/board/.gitignore b/arch/sandbox/board/.gitignore new file mode 100644 index 0000000000..d1165788c9 --- /dev/null +++ b/arch/sandbox/board/.gitignore @@ -0,0 +1 @@ +barebox.lds diff --git a/arch/sandbox/board/Makefile b/arch/sandbox/board/Makefile new file mode 100644 index 0000000000..8abe5dde08 --- /dev/null +++ b/arch/sandbox/board/Makefile @@ -0,0 +1,9 @@ +obj-y += board.o +obj-y += clock.o +obj-y += hostfile.o +obj-y += console.o + +CPPFLAGS_barebox.lds = -U$(SUBARCH) -DELF_ARCH=$(ELF_ARCH) \ + -DELF_FORMAT="$(ELF_FORMAT)" +extra-y += barebox.lds + diff --git a/arch/sandbox/board/barebox.lds.S b/arch/sandbox/board/barebox.lds.S new file mode 100644 index 0000000000..53e9f6021a --- /dev/null +++ b/arch/sandbox/board/barebox.lds.S @@ -0,0 +1,229 @@ +#include <asm-generic/barebox.lds.h> + +OUTPUT_FORMAT(ELF_FORMAT) +OUTPUT_ARCH(ELF_ARCH) +ENTRY(_start) + +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + PROVIDE (__executable_start = 0x400000); . = 0x400000 + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .gnu.hash : { *(.gnu.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + .rel.dyn : + { + *(.rel.init) + *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) + *(.rel.fini) + *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) + *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) + *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) + *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) + *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) + *(.rel.ctors) + *(.rel.dtors) + *(.rel.got) + *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) + *(.rel.ldata .rel.ldata.* .rel.gnu.linkonce.l.*) + *(.rel.lbss .rel.lbss.* .rel.gnu.linkonce.lb.*) + *(.rel.lrodata .rel.lrodata.* .rel.gnu.linkonce.lr.*) + } + .rela.dyn : + { + *(.rela.init) + *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) + *(.rela.fini) + *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) + *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) + *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) + *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) + *(.rela.ctors) + *(.rela.dtors) + *(.rela.got) + *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) + *(.rela.ldata .rela.ldata.* .rela.gnu.linkonce.l.*) + *(.rela.lbss .rela.lbss.* .rela.gnu.linkonce.lb.*) + *(.rela.lrodata .rela.lrodata.* .rela.gnu.linkonce.lr.*) + } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : + { + KEEP (*(.init)) + } =0x90909090 + .plt : { *(.plt) } + .text : + { + *(.text .stub .text.* .gnu.linkonce.t.*) + KEEP (*(.text.*personality*)) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + } =0x90909090 + .fini : + { + KEEP (*(.fini)) + } =0x90909090 + + . = ALIGN(64); + __barebox_initcalls_start = .; + __barebox_initcalls : { INITCALLS } + __barebox_initcalls_end = .; + . = ALIGN(64); + __barebox_cmd_start = .; + __barebox_cmd : { BAREBOX_CMDS } + __barebox_cmd_end = .; + + PROVIDE (__etext = .); + PROVIDE (_etext = .); + PROVIDE (etext = .); + .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } + .rodata1 : { *(.rodata1) } + .eh_frame_hdr : { *(.eh_frame_hdr) } + .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } + .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) } + /* Adjust the address for the data segment. We want to adjust up to + the same address within the page on the next page up. */ + . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); + /* Exception handling */ + .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } + .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) } + /* Thread Local Storage sections */ + .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } + .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } + .preinit_array : + { + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP (*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + } + .init_array : + { + PROVIDE_HIDDEN (__init_array_start = .); + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + } + .fini_array : + { + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + PROVIDE_HIDDEN (__fini_array_end = .); + } + .ctors : + { + /* gcc uses crtbegin.o to find the start of + the constructors, so we make sure it is + first. Because this is a wildcard, it + doesn't matter if the user does not + actually link against crtbegin.o; the + linker won't look for a file to match a + wildcard. The wildcard also means that it + doesn't matter which directory crtbegin.o + is in. */ + KEEP (*crtbegin.o(.ctors)) + KEEP (*crtbegin?.o(.ctors)) + /* We don't want to include the .ctor section from + the crtend.o file until after the sorted ctors. + The .ctor section from the crtend file contains the + end of ctors marker and it must be last */ + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + } + .dtors : + { + KEEP (*crtbegin.o(.dtors)) + KEEP (*crtbegin?.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + } + .jcr : { KEEP (*(.jcr)) } + .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) } + .dynamic : { *(.dynamic) } + .got : { *(.got) } + . = DATA_SEGMENT_RELRO_END (24, .); + .got.plt : { *(.got.plt) } + .data : + { + *(.data .data.* .gnu.linkonce.d.*) + KEEP (*(.gnu.linkonce.d.*personality*)) + SORT(CONSTRUCTORS) + } + .data1 : { *(.data1) } + _edata = .; PROVIDE (edata = .); + __bss_start = .; + .bss : + { + *(.dynbss) + *(.bss .bss.* .gnu.linkonce.b.*) + *(COMMON) + /* Align here to ensure that the .bss section occupies space up to + _end. Align after .bss to ensure correct alignment even if the + .bss section disappears because there are no input sections. + FIXME: Why do we need it? When there is no .bss section, we don't + pad the .data section. */ + . = ALIGN(. != 0 ? 64 / 8 : 1); + } + .lbss : + { + *(.dynlbss) + *(.lbss .lbss.* .gnu.linkonce.lb.*) + *(LARGE_COMMON) + } + . = ALIGN(64 / 8); + .lrodata ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) : + { + *(.lrodata .lrodata.* .gnu.linkonce.lr.*) + } + .ldata ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) : + { + *(.ldata .ldata.* .gnu.linkonce.l.*) + . = ALIGN(. != 0 ? 64 / 8 : 1); + } + . = ALIGN(64 / 8); + _end = .; PROVIDE (end = .); + . = DATA_SEGMENT_END (.); + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + /DISCARD/ : { *(.note.GNU-stack) } +} + diff --git a/arch/sandbox/board/board.c b/arch/sandbox/board/board.c new file mode 100644 index 0000000000..84017eb50d --- /dev/null +++ b/arch/sandbox/board/board.c @@ -0,0 +1,42 @@ +/* + * board.c + * + * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <common.h> +#include <driver.h> +#include <malloc.h> +#include <mach/linux.h> +#include <init.h> +#include <errno.h> + +static struct device_d tap_device = { + .name = "tap", +}; + +static int devices_init(void) +{ + register_device(&tap_device); + + return 0; +} + +device_initcall(devices_init); + diff --git a/arch/sandbox/board/clock.c b/arch/sandbox/board/clock.c new file mode 100644 index 0000000000..b15086432c --- /dev/null +++ b/arch/sandbox/board/clock.c @@ -0,0 +1,48 @@ +/* + * clock.c - wrapper between a barebox clocksource and linux + * + * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <common.h> +#include <init.h> +#include <clock.h> +#include <mach/linux.h> + +static uint64_t linux_clocksource_read(void) +{ + return linux_get_time(); +} + +static struct clocksource cs = { + .read = linux_clocksource_read, + .mask = 0xffffffff, + .shift = 10, +}; + +static int clocksource_init (void) +{ + cs.mult = clocksource_hz2mult(1000 * 1000 * 1000, cs.shift); + + init_clock(&cs); + + return 0; +} + +core_initcall(clocksource_init); diff --git a/arch/sandbox/board/config.h b/arch/sandbox/board/config.h new file mode 100644 index 0000000000..c96d762f2d --- /dev/null +++ b/arch/sandbox/board/config.h @@ -0,0 +1,6 @@ +#ifndef __CONFIG_H +#define __CONFIG_H + +#define __SANDBOX__ + +#endif /* __CONFIG_H */ diff --git a/arch/sandbox/board/console.c b/arch/sandbox/board/console.c new file mode 100644 index 0000000000..2959e85c7a --- /dev/null +++ b/arch/sandbox/board/console.c @@ -0,0 +1,52 @@ +/* + * console.c - register a console device + * + * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <common.h> +#include <driver.h> +#include <mach/linux.h> +#include <xfuncs.h> + +int barebox_register_console(char *name, int stdinfd, int stdoutfd) +{ + struct device_d *dev; + struct linux_console_data *data; + + dev = xzalloc(sizeof(struct device_d) + sizeof(struct linux_console_data)); + + data = (struct linux_console_data *)(dev + 1); + + dev->platform_data = data; + strcpy(dev->name, name); + + strcpy(dev->name, "console"); + + if (stdinfd >= 0) + data->flags = CONSOLE_STDIN; + if (stdoutfd >= 0) + data->flags |= CONSOLE_STDOUT | CONSOLE_STDERR; + + data->stdoutfd = stdoutfd; + data->stdinfd = stdinfd; + + return register_device(dev); +} + diff --git a/arch/sandbox/board/env/bin/init b/arch/sandbox/board/env/bin/init new file mode 100644 index 0000000000..a7cb7d563d --- /dev/null +++ b/arch/sandbox/board/env/bin/init @@ -0,0 +1,7 @@ +#!/bin/sh + +PATH=/env/bin +export PATH + +. /env/config + diff --git a/arch/sandbox/board/env/config b/arch/sandbox/board/env/config new file mode 100644 index 0000000000..2b148b6daa --- /dev/null +++ b/arch/sandbox/board/env/config @@ -0,0 +1,8 @@ +#!/bin/sh + +eth0.ipaddr=172.0.0.2 +eth0.netmask=255.255.255.0 +eth0.gateway=172.0.0.1 +eth0.serverip=172.0.0.1 +eth0.ethaddr=80:81:82:83:84:85 + diff --git a/arch/sandbox/board/hostfile.c b/arch/sandbox/board/hostfile.c new file mode 100644 index 0000000000..ad625d7a6e --- /dev/null +++ b/arch/sandbox/board/hostfile.c @@ -0,0 +1,114 @@ +/* + * hostfile.c - use files from the host to simalute barebox devices + * + * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <common.h> +#include <driver.h> +#include <malloc.h> +#include <mach/linux.h> +#include <init.h> +#include <errno.h> +#include <mach/hostfile.h> +#include <xfuncs.h> + +struct hf_priv { + struct cdev cdev; + struct hf_platform_data *pdata; +}; + +static ssize_t hf_read(struct cdev *cdev, void *buf, size_t count, ulong offset, ulong flags) +{ + struct hf_platform_data *hf = cdev->priv; + int fd = hf->fd; + + if (linux_lseek(fd, offset) != offset) + return -EINVAL; + + return linux_read(fd, buf, count); +} + +static ssize_t hf_write(struct cdev *cdev, const void *buf, size_t count, ulong offset, ulong flags) +{ + struct hf_platform_data *hf = cdev->priv; + int fd = hf->fd; + + if (linux_lseek(fd, offset) != offset) + return -EINVAL; + + return linux_write(fd, buf, count); +} + +static void hf_info(struct device_d *dev) +{ + struct hf_platform_data *hf = dev->platform_data; + + printf("file: %s\n", hf->filename); +} + +static struct file_operations hf_fops = { + .read = hf_read, + .write = hf_write, +}; + +static int hf_probe(struct device_d *dev) +{ + struct hf_platform_data *hf = dev->platform_data; + struct hf_priv *priv = xzalloc(sizeof(*priv)); + + priv->pdata = hf; + + priv->cdev.name = hf->name; + priv->cdev.size = hf->size; + priv->cdev.ops = &hf_fops; + priv->cdev.priv = hf; + devfs_create(&priv->cdev); + + return 0; +} + +static struct driver_d hf_drv = { + .name = "hostfile", + .probe = hf_probe, + .info = hf_info, +}; + +static int hf_init(void) +{ + return register_driver(&hf_drv); +} + +device_initcall(hf_init); + +int barebox_register_filedev(struct hf_platform_data *hf) +{ + struct device_d *dev; + + dev = xzalloc(sizeof(struct device_d)); + + dev->platform_data = hf; + + strcpy(dev->name, "hostfile"); + dev->size = hf->size; + dev->map_base = hf->map_base; + + return register_device(dev); +} + |