From 5187d8dd5e9dccb4ec598c906f3258d8bc24333c Mon Sep 17 00:00:00 2001 From: Chander Kashyap Date: Tue, 20 Sep 2011 21:25:03 +0000 Subject: smdkv310: use spl framework for mmc spl smdkv310 board was using mmc_spl framework for mmc spl support. This patch migrates the framework from mmc_spl to spl. Signed-off-by: Chander Kashyap Signed-off-by: Minkyu Kang --- board/samsung/smdkv310/Makefile | 19 ++++- board/samsung/smdkv310/mmc_boot.c | 59 ++++++++++++++ board/samsung/smdkv310/tools/mkv310_image.c | 117 ++++++++++++++++++++++++++++ 3 files changed, 194 insertions(+), 1 deletion(-) create mode 100644 board/samsung/smdkv310/mmc_boot.c create mode 100644 board/samsung/smdkv310/tools/mkv310_image.c (limited to 'board/samsung/smdkv310') diff --git a/board/samsung/smdkv310/Makefile b/board/samsung/smdkv310/Makefile index d168abd..56e0c16 100644 --- a/board/samsung/smdkv310/Makefile +++ b/board/samsung/smdkv310/Makefile @@ -26,16 +26,33 @@ LIB = $(obj)lib$(BOARD).o SOBJS := mem_setup.o SOBJS += lowlevel_init.o +ifndef CONFIG_SPL_BUILD COBJS += smdkv310.o +endif + +ifdef CONFIG_SPL_BUILD +COBJS += mmc_boot.o +endif SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) -all: $(obj).depend $(LIB) +ALL := $(obj).depend $(LIB) + +ifdef CONFIG_SPL_BUILD +ALL += $(OBJTREE)/tools/mk$(BOARD)spl +endif + +all: $(ALL) $(LIB): $(OBJS) $(call cmd_link_o_target, $(OBJS)) +ifdef CONFIG_SPL_BUILD +$(OBJTREE)/tools/mk$(BOARD)spl: tools/mkv310_image.c + $(HOSTCC) tools/mkv310_image.c -o $(OBJTREE)/tools/mk$(BOARD)spl +endif + ######################################################################### # defines $(obj).depend target diff --git a/board/samsung/smdkv310/mmc_boot.c b/board/samsung/smdkv310/mmc_boot.c new file mode 100644 index 0000000..2f3e463 --- /dev/null +++ b/board/samsung/smdkv310/mmc_boot.c @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2011 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 +#include + +typedef u32(*copy_sd_mmc_to_mem) \ + (u32 start_block, u32 block_count, u32 *dest_addr); + + +void copy_uboot_to_ram(void) +{ + copy_sd_mmc_to_mem copy_bl2 = (copy_sd_mmc_to_mem)(0x00002488); + copy_bl2(BL2_START_OFFSET,\ + BL2_SIZE_BLOC_COUNT, (u32 *)CONFIG_SYS_TEXT_BASE); +} + +void board_init_f(unsigned long bootflag) +{ + __attribute__((noreturn)) void (*uboot)(void); + copy_uboot_to_ram(); + + /* Jump to U-Boot image */ + uboot = (void *)CONFIG_SYS_TEXT_BASE; + (*uboot)(); + /* Never returns Here */ +} + +/* Place Holders */ +void board_init_r(gd_t *id, ulong dest_addr) +{ + /*Function attribute is no-return*/ + /*This Function never executes*/ + while (1) + ; +} + +void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3) +{ +} diff --git a/board/samsung/smdkv310/tools/mkv310_image.c b/board/samsung/smdkv310/tools/mkv310_image.c new file mode 100644 index 0000000..1a51913 --- /dev/null +++ b/board/samsung/smdkv310/tools/mkv310_image.c @@ -0,0 +1,117 @@ +/* + * Copyright (C) 2011 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 +#include +#include +#include +#include +#include +#include + +#define CHECKSUM_OFFSET (14*1024-4) +#define BUFSIZE (16*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 "u-boot-mmc-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 "u-boot-mmc-spl.bin" file. +*/ + +int main(int argc, char **argv) +{ + int i, len; + unsigned char buffer[BUFSIZE] = {0}; + int ifd, ofd; + unsigned int checksum = 0, count; + + if (argc != 3) { + printf(" %d Wrong number of arguments\n", argc); + 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)); + if (ifd) + close(ifd); + exit(EXIT_FAILURE); + } + + len = lseek(ifd, 0, SEEK_END); + lseek(ifd, 0, SEEK_SET); + + 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)); + + if (ifd) + close(ifd); + if (ofd) + close(ofd); + + exit(EXIT_FAILURE); + } + + for (i = 0, checksum = 0; i < CHECKSUM_OFFSET; i++) + checksum += buffer[i]; + + 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)); + + if (ifd) + close(ifd); + if (ofd) + close(ofd); + + exit(EXIT_FAILURE); + } + + if (ifd) + close(ifd); + if (ofd) + close(ofd); + + return EXIT_SUCCESS; +} -- cgit v1.1