Hi Henrik,
On Sun, Nov 25, 2012 at 12:40:50PM +0100, Henrik Nordström wrote:
This tool adds a boot header to the supplied file, for booting code directly from the SoC embedded boot rom. Needed for making the SPL loader bootable.
From: Tom Cubie Mr.hipboi@gmail.com Signed-off-by: Henrik Nordstrom henrik@henriknordstrom.net Signed-off-by: Stefan Roese sr@denx.de
Makefile | 1 + tools/.gitignore | 1 + tools/Makefile | 6 ++ tools/mksunxiboot.README | 13 ++++ tools/mksunxiboot.c | 162 ++++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 183 insertions(+), 0 deletions(-) create mode 100644 tools/mksunxiboot.README create mode 100644 tools/mksunxiboot.c
diff --git a/Makefile b/Makefile index 5a98745..81fe532 100644 --- a/Makefile +++ b/Makefile @@ -799,6 +799,7 @@ clean: $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ $(obj)tools/mk{smdk5250,}spl \
$(obj)tools/mksunxiboot \ $(obj)tools/mxsboot \ $(obj)tools/ncb $(obj)tools/ubsha1 \ $(obj)tools/kernel-doc/docprocdiff --git a/tools/.gitignore b/tools/.gitignore index 9bce719..92fcbbd 100644 --- a/tools/.gitignore +++ b/tools/.gitignore @@ -7,6 +7,7 @@ /mkimage /mpc86x_clk /mxsboot +/mksunxiboot /ncb /ncp /ubsha1 diff --git a/tools/Makefile b/tools/Makefile index 686840a..508112d 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -69,6 +69,7 @@ BIN_FILES-$(CONFIG_XWAY_SWAP_BYTES) += xway-swap-bytes$(SFX) BIN_FILES-y += mkenvimage$(SFX) BIN_FILES-y += mkimage$(SFX) BIN_FILES-$(CONFIG_SMDK5250) += mksmdk5250spl$(SFX) +BIN_FILES-$(CONFIG_SUNXI) += mksunxiboot$(SFX) BIN_FILES-$(CONFIG_MX28) += mxsboot$(SFX) BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX) BIN_FILES-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1$(SFX) @@ -98,6 +99,7 @@ NOPED_OBJ_FILES-y += omapimage.o NOPED_OBJ_FILES-y += mkenvimage.o NOPED_OBJ_FILES-y += mkimage.o OBJ_FILES-$(CONFIG_SMDK5250) += mkexynosspl.o +OBJ_FILES-$(CONFIG_SUNXI) += mksunxiboot.o OBJ_FILES-$(CONFIG_MX28) += mxsboot.o OBJ_FILES-$(CONFIG_NETCONSOLE) += ncb.o NOPED_OBJ_FILES-y += os_support.o @@ -228,6 +230,10 @@ $(obj)mpc86x_clk$(SFX): $(obj)mpc86x_clk.o $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^ $(HOSTSTRIP) $@
+$(obj)mksunxiboot$(SFX): $(obj)mksunxiboot.o
- $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^
- $(HOSTSTRIP) $@
$(obj)mxsboot$(SFX): $(obj)mxsboot.o $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^ $(HOSTSTRIP) $@ diff --git a/tools/mksunxiboot.README b/tools/mksunxiboot.README new file mode 100644 index 0000000..9a4b379 --- /dev/null +++ b/tools/mksunxiboot.README @@ -0,0 +1,13 @@ +This program make a arm binary file can be loaded by Allwinner A10 and releated +chips from storage media such as nand and mmc.
+More information about A10 boot, please refer to +http://rhombus-tech.net/allwinner_a10/a10_boot_process/
+To compile this program, just type make, you will get 'mksunxiboot'.
+To use it, +$./mksunxiboot u-boot.bin u-boot-mmc.bin +then you can write it to a mmc card with dd. +$sudo dd if=u-boot-mmc.bin of=/dev/sdb bs=1024 seek=8 +then insert your mmc card to your A10 tablet, you can boot from mmc card.
To use it:
$ ./mksunxiboot u-boot.bin u-boot-mmc.bin
Then you can write it to a mmc card with dd. For example if your mmc card is located in /dev/sdb:
$ sudo dd if=u-boot-mmc.bin of=/dev/sdb bs=1024 seek=8
After inserting your mmc card into your A10 tablet it will boot from it.
Also, it would be nice to see more information here.
diff --git a/tools/mksunxiboot.c b/tools/mksunxiboot.c new file mode 100644 index 0000000..fd81529 --- /dev/null +++ b/tools/mksunxiboot.c @@ -0,0 +1,162 @@ +/*
- (C) Copyright 2007-2011
- Allwinner Technology Co., Ltd. <www.allwinnertech.com>
- Tom Cubie tangliang@allwinnertech.com
- a simple tool to generate bootable image for sunxi platform.
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
- 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 <fcntl.h> +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h>
+typedef unsigned char u8; +typedef unsigned int u32;
+/* boot head definition from sun4i boot code */ +typedef struct boot_file_head {
- u32 jump_instruction; /* one intruction jumping to real code */
- u8 magic[8]; /* ="eGON.BT0" or "eGON.BT1", not C-style str */
- u32 check_sum; /* generated by PC */
- u32 length; /* generated by PC */
+#if 1
Please use a define on the top of file and use it here then.
- /* We use a simplified header, only filling in what is needed by the
* boot ROM. To be compatible with Allwinner tools the larger header* below should be used, followed by a custom header if desired. */- u8 pad[12]; /* align to 32 bytes */
+#else
- u32 pub_head_size; /* the size of boot_file_head_t */
- u8 pub_head_vsn[4]; /* the version of boot_file_head_t */
- u8 file_head_vsn[4]; /* the version of boot0_file_head_t or
boot1_file_head_t */- u8 Boot_vsn[4]; /* Boot version */
- u8 eGON_vsn[4]; /* eGON version */
- u8 platform[8]; /* platform information */
+#endif +} boot_file_head_t;
+#define BOOT0_MAGIC "eGON.BT0" +#define STAMP_VALUE 0x5F0A6C39
+/* check sum functon from sun4i boot code */ +int gen_check_sum(void *boot_buf) +{
- boot_file_head_t *head_p;
- u32 length;
- u32 *buf;
- u32 loop;
- u32 i;
- u32 sum;
- head_p = (boot_file_head_t *) boot_buf;
- length = head_p->length;
- if ((length & 0x3) != 0) /* must 4-byte-aligned */
return -1;- buf = (u32 *) boot_buf;
- head_p->check_sum = STAMP_VALUE; /* fill stamp */
- loop = length >> 2;
- /* calculate the sum */
- for (i = 0, sum = 0; i < loop; i++)
sum += buf[i];- /* write back check sum */
- head_p->check_sum = sum;
- return 0;
+}
+#define ALIGN(x, a) __ALIGN_MASK((x), (typeof(x))(a)-1) +#define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask))
+#define SUN4I_SRAM_SIZE (24 * 1024) +#define SRAM_LOAD_MAX_SIZE (SUN4I_SRAM_SIZE - sizeof(boot_file_head_t)) +#define BLOCK_SIZE 512
+struct boot_img {
- boot_file_head_t header;
- char code[SRAM_LOAD_MAX_SIZE];
- char pad[BLOCK_SIZE];
+};
+int main(int argc, char *argv[]) +{
- int fd_in, fd_out;
- struct boot_img img;
- unsigned file_size, load_size;
- int count;
- if (argc < 2) {
printf("\tThis program makes an input bin file to sun4i bootable image.\n""\tUsage: %s input_file out_putfile\n", argv[0]);
You mean output_file, right ?
return EXIT_FAILURE;- }
- fd_in = open(argv[1], O_RDONLY);
- if (fd_in < 0) {
perror("Open input file:");return EXIT_FAILURE;- }
- fd_out = open(argv[2], O_WRONLY | O_CREAT, 0666);
- if (fd_out < 0) {
perror("Open output file:");return EXIT_FAILURE;- }
- memset((void *)img.pad, 0, BLOCK_SIZE);
- /* get input file size */
- file_size = lseek(fd_in, 0, SEEK_END);
- printf("File size: 0x%x\n", file_size);
- if (file_size > SRAM_LOAD_MAX_SIZE)
load_size = SRAM_LOAD_MAX_SIZE;- else
load_size = ALIGN(file_size, sizeof(int));- printf("Load size: 0x%x\n", load_size);
- /* read file to buffer to calculate checksum */
- lseek(fd_in, 0, SEEK_SET);
- count = read(fd_in, img.code, load_size);
- printf("Read 0x%x bytes\n", count);
- /* fill the header */
- img.header.jump_instruction = /* b instruction */
0xEA000000 | /* jump to the first instr after the header */((sizeof(boot_file_head_t) / sizeof(int) - 2)& 0x00FFFFFF);- memcpy(img.header.magic, BOOT0_MAGIC, 8); /* no '0' termination */
- img.header.length =
ALIGN(load_size + sizeof(boot_file_head_t), BLOCK_SIZE);- gen_check_sum((void *)&img);
- count = write(fd_out, (void *)&img, img.header.length);
- printf("Write 0x%x bytes\n", count);
- close(fd_in);
- close(fd_out);
- return EXIT_SUCCESS;
+}
1.7.7.6
Luka