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author | Chander Kashyap <chander.kashyap@linaro.org> | 2012-02-05 23:01:48 (GMT) |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-02-12 09:11:30 (GMT) |
commit | 81e352032ccbf00e756083adc70d418a6ea80b14 (patch) | |
tree | 6407b97408426da3727004b532b5db3b925b1a7e /tools | |
parent | 0aee53baccd29a3153ba04403ace4159248d95db (diff) | |
download | u-boot-fsl-qoriq-81e352032ccbf00e756083adc70d418a6ea80b14.tar.xz |
EXYNOS: SMDK5250: Add MMC SPL support
This patch adds support for MMC SPL booting.
Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'tools')
-rw-r--r-- | tools/Makefile | 6 | ||||
-rw-r--r-- | tools/mkexynosspl.c | 122 |
2 files changed, 128 insertions, 0 deletions
diff --git a/tools/Makefile b/tools/Makefile index 64bcc4d..8993fdd 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -68,6 +68,7 @@ BIN_FILES-$(CONFIG_CMD_LOADS) += img2srec$(SFX) 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-$(CONFIG_MX28) += mxsboot$(SFX) BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX) BIN_FILES-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1$(SFX) @@ -94,6 +95,7 @@ NOPED_OBJ_FILES-y += imximage.o 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_MX28) += mxsboot.o OBJ_FILES-$(CONFIG_NETCONSOLE) += ncb.o NOPED_OBJ_FILES-y += os_support.o @@ -213,6 +215,10 @@ $(obj)mkimage$(SFX): $(obj)aisimage.o \ $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^ $(HOSTSTRIP) $@ +$(obj)mk$(BOARD)spl$(SFX): $(obj)mkexynosspl.o + $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^ + $(HOSTSTRIP) $@ + $(obj)mpc86x_clk$(SFX): $(obj)mpc86x_clk.o $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^ $(HOSTSTRIP) $@ diff --git a/tools/mkexynosspl.c b/tools/mkexynosspl.c new file mode 100644 index 0000000..6a8dd93 --- /dev/null +++ b/tools/mkexynosspl.c @@ -0,0 +1,122 @@ +/* + * Copyright (C) 2012 Samsung Electronics + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> +#include <string.h> +#include <sys/stat.h> +#include <compiler.h> + +#define CHECKSUM_OFFSET (14*1024-4) +#define BUFSIZE (14*1024) +#define FILE_PERM (S_IRUSR | S_IWUSR | S_IRGRP \ + | S_IWGRP | S_IROTH | S_IWOTH) +/* +* Requirement: +* IROM code reads first 14K bytes from boot device. +* It then calculates the checksum of 14K-4 bytes and compare with data at +* 14K-4 offset. +* +* This function takes two filenames: +* IN "u-boot-spl.bin" and +* OUT "$(BOARD)-spl.bin as filenames. +* It reads the "u-boot-spl.bin" in 16K buffer. +* It calculates checksum of 14K-4 Bytes and stores at 14K-4 offset in buffer. +* It writes the buffer to "$(BOARD)-spl.bin" file. +*/ + +int main(int argc, char **argv) +{ + unsigned char buffer[BUFSIZE]; + int i, ifd, ofd; + uint32_t checksum = 0; + off_t len; + ssize_t count; + struct stat stat; + + if (argc != 3) { + fprintf(stderr, "Usage: %s <infile> <outfile>\n", argv[0]); + exit(EXIT_FAILURE); + } + + ifd = open(argv[1], O_RDONLY); + if (ifd < 0) { + fprintf(stderr, "%s: Can't open %s: %s\n", + argv[0], argv[1], strerror(errno)); + exit(EXIT_FAILURE); + } + + ofd = open(argv[2], O_WRONLY | O_CREAT | O_TRUNC, FILE_PERM); + if (ifd < 0) { + fprintf(stderr, "%s: Can't open %s: %s\n", + argv[0], argv[2], strerror(errno)); + close(ifd); + exit(EXIT_FAILURE); + } + + if (fstat(ifd, &stat)) { + fprintf(stderr, "%s: Unable to get size of %s: %s\n", + argv[0], argv[1], strerror(errno)); + close(ifd); + close(ofd); + exit(EXIT_FAILURE); + } + + len = stat.st_size; + + count = (len < CHECKSUM_OFFSET) ? len : CHECKSUM_OFFSET; + + if (read(ifd, buffer, count) != count) { + fprintf(stderr, "%s: Can't read %s: %s\n", + argv[0], argv[1], strerror(errno)); + + close(ifd); + close(ofd); + + exit(EXIT_FAILURE); + } + + for (i = 0, checksum = 0; i < CHECKSUM_OFFSET; i++) + checksum += buffer[i]; + + checksum = cpu_to_le32(checksum); + + memcpy(&buffer[CHECKSUM_OFFSET], &checksum, sizeof(checksum)); + + if (write(ofd, buffer, BUFSIZE) != BUFSIZE) { + fprintf(stderr, "%s: Can't write %s: %s\n", + argv[0], argv[2], strerror(errno)); + + close(ifd); + close(ofd); + + exit(EXIT_FAILURE); + } + + close(ifd); + close(ofd); + + return EXIT_SUCCESS; +} |