Commit 98a48c5d authored by Chander Kashyap's avatar Chander Kashyap Committed by Albert ARIBAUD

ORIGEN: Add MMC SPL support

Adds mmc boot support.
Signed-off-by: default avatarChander Kashyap <chander.kashyap@linaro.org>
Signed-off-by: default avatarMinkyu Kang <mk7.kang@samsung.com>
parent b9a1ef21
......@@ -26,16 +26,34 @@ LIB = $(obj)lib$(BOARD).o
SOBJS := mem_setup.o
SOBJS += lowlevel_init.o
ifndef CONFIG_SPL_BUILD
COBJS += origen.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 $(LIB)
ifdef CONFIG_SPL_BUILD
ALL += tools/mk$(BOARD)spl.exe
endif
all: $(ALL)
$(LIB): $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
ifdef CONFIG_SPL_BUILD
tools/mk$(BOARD)spl.exe: tools/mkv310_image.c
$(HOSTCC) tools/mkv310_image.c -o tools/mk$(BOARD)spl.exe
endif
#########################################################################
# defines $(obj).depend target
......
/*
* 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>
/*
* Copy U-boot from mmc to RAM:
* COPY_BL2_FNPTR_ADDR: Address in iRAM, which Contains
* Pointer to API (Data transfer from mmc to ram)
*/
void copy_uboot_to_ram(void)
{
u32 (*copy_bl2)(u32, u32, u32) = (void *) *(u32 *)COPY_BL2_FNPTR_ADDR;
copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT, 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) {}
/*
* 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 BUFSIZE (16*1024)
#define IMG_SIZE (16*1024)
#define SPL_HEADER_SIZE 16
#define FILE_PERM (S_IRUSR | S_IWUSR | S_IRGRP \
| S_IWGRP | S_IROTH | S_IWOTH)
#define SPL_HEADER "S5PC210 HEADER "
/*
* 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)
{
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);
memcpy(&buffer[0], SPL_HEADER, SPL_HEADER_SIZE);
count = (len < (IMG_SIZE - SPL_HEADER_SIZE))
? len : (IMG_SIZE - SPL_HEADER_SIZE);
if (read(ifd, buffer + SPL_HEADER_SIZE, 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; i < IMG_SIZE - SPL_HEADER_SIZE; i++)
checksum += buffer[i+16];
*(ulong *)buffer ^= 0x1f;
*(ulong *)(buffer+4) ^= checksum;
for (i = 1; i < SPL_HEADER_SIZE; i++)
buffer[i] ^= buffer[i-1];
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;
}
......@@ -94,6 +94,9 @@
#define CONFIG_BOOTDELAY 3
#define CONFIG_ZERO_BOOTDELAY_CHECK
/* MMC SPL */
#define CONFIG_SPL
#define COPY_BL2_FNPTR_ADDR 0x02020030
#define CONFIG_BOOTCOMMAND "fatload mmc 0 40007000 uImage; bootm 40007000"
......@@ -157,4 +160,9 @@
#define CONFIG_DOS_PARTITION 1
#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_LOAD_ADDR - GENERATED_GBL_DATA_SIZE)
/* U-boot copy size from boot Media to DRAM.*/
#define COPY_BL2_SIZE 0x80000
#define BL2_START_OFFSET ((CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)/512)
#define BL2_SIZE_BLOC_COUNT (COPY_BL2_SIZE/512)
#endif /* __CONFIG_H */
......@@ -93,8 +93,18 @@ endif
ALL-y += $(obj)u-boot-spl.bin
ifdef CONFIG_SAMSUNG
ALL-y += $(obj)$(BOARD)-spl.bin
endif
all: $(ALL-y)
ifdef CONFIG_SAMSUNG
$(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
$(TOPDIR)/board/$(BOARDDIR)/tools/mk$(BOARD)spl.exe \
$(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
endif
$(obj)u-boot-spl.bin: $(obj)u-boot-spl
$(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
......
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