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authorChander Kashyap <chander.kashyap@linaro.org>2011-09-20 21:25:03 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-11-03 22:56:20 +0100
commit5187d8dd5e9dccb4ec598c906f3258d8bc24333c (patch)
tree2d11ee7340ad606289e8e95e4c76a40bdbc24c29 /board/samsung
parent9436a0c94e3af320a91ed6ed14d864ef58cedb68 (diff)
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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 <chander.kashyap@linaro.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'board/samsung')
-rw-r--r--board/samsung/smdkv310/Makefile19
-rw-r--r--board/samsung/smdkv310/mmc_boot.c59
-rw-r--r--board/samsung/smdkv310/tools/mkv310_image.c117
3 files changed, 194 insertions, 1 deletions
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<common.h>
+#include<config.h>
+
+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 <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#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;
+}