ORIGEN: Add MMC SPL support
Adds mmc boot support. Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Chander Kashyap
Albert ARIBAUD
parent
b9a1ef219e
commit
98a48c5de5
@ -26,16 +26,34 @@ LIB = $(obj)lib$(BOARD).o
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SOBJS := mem_setup.o
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SOBJS += lowlevel_init.o
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ifndef CONFIG_SPL_BUILD
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COBJS += origen.o
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endif
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ifdef CONFIG_SPL_BUILD
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COBJS += mmc_boot.o
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endif
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
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all: $(obj).depend $(LIB)
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ALL +=$(obj).depend $(LIB)
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ifdef CONFIG_SPL_BUILD
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ALL += tools/mk$(BOARD)spl.exe
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endif
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all: $(ALL)
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$(LIB): $(OBJS)
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$(AR) $(ARFLAGS) $@ $(OBJS)
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ifdef CONFIG_SPL_BUILD
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tools/mk$(BOARD)spl.exe: tools/mkv310_image.c
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$(HOSTCC) tools/mkv310_image.c -o tools/mk$(BOARD)spl.exe
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endif
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#########################################################################
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# defines $(obj).depend target
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58
board/samsung/origen/mmc_boot.c
Normal file
58
board/samsung/origen/mmc_boot.c
Normal file
@ -0,0 +1,58 @@
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/*
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* Copyright (C) 2011 Samsung Electronics
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include<common.h>
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#include<config.h>
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/*
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* Copy U-boot from mmc to RAM:
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* COPY_BL2_FNPTR_ADDR: Address in iRAM, which Contains
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* Pointer to API (Data transfer from mmc to ram)
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*/
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void copy_uboot_to_ram(void)
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{
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u32 (*copy_bl2)(u32, u32, u32) = (void *) *(u32 *)COPY_BL2_FNPTR_ADDR;
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copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT, CONFIG_SYS_TEXT_BASE);
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}
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void board_init_f(unsigned long bootflag)
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{
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__attribute__((noreturn)) void (*uboot)(void);
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copy_uboot_to_ram();
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/* Jump to U-Boot image */
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uboot = (void *)CONFIG_SYS_TEXT_BASE;
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(*uboot)();
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/* Never returns Here */
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}
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/* Place Holders */
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void board_init_r(gd_t *id, ulong dest_addr)
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{
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/* Function attribute is no-return */
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/* This Function never executes */
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while (1)
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;
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}
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void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3) {}
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126
board/samsung/origen/tools/mkv310_image.c
Normal file
126
board/samsung/origen/tools/mkv310_image.c
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@ -0,0 +1,126 @@
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/*
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* Copyright (C) 2011 Samsung Electronics
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/stat.h>
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#define BUFSIZE (16*1024)
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#define IMG_SIZE (16*1024)
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#define SPL_HEADER_SIZE 16
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#define FILE_PERM (S_IRUSR | S_IWUSR | S_IRGRP \
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| S_IWGRP | S_IROTH | S_IWOTH)
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#define SPL_HEADER "S5PC210 HEADER "
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/*
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* Requirement:
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* IROM code reads first 14K bytes from boot device.
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* It then calculates the checksum of 14K-4 bytes and compare with data at
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* 14K-4 offset.
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*
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* This function takes two filenames:
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* IN "u-boot-spl.bin" and
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* OUT "$(BOARD)-spl.bin as filenames.
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* It reads the "u-boot-spl.bin" in 16K buffer.
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* It calculates checksum of 14K-4 Bytes and stores at 14K-4 offset in buffer.
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* It writes the buffer to "$(BOARD)-spl.bin" file.
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*/
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int main(int argc, char **argv)
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{
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int i, len;
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unsigned char buffer[BUFSIZE] = {0};
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int ifd, ofd;
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unsigned int checksum = 0, count;
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if (argc != 3) {
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printf(" %d Wrong number of arguments\n", argc);
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exit(EXIT_FAILURE);
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}
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ifd = open(argv[1], O_RDONLY);
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if (ifd < 0) {
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fprintf(stderr, "%s: Can't open %s: %s\n",
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argv[0], argv[1], strerror(errno));
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exit(EXIT_FAILURE);
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}
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ofd = open(argv[2], O_WRONLY | O_CREAT | O_TRUNC, FILE_PERM);
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if (ifd < 0) {
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fprintf(stderr, "%s: Can't open %s: %s\n",
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argv[0], argv[2], strerror(errno));
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if (ifd)
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close(ifd);
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exit(EXIT_FAILURE);
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}
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len = lseek(ifd, 0, SEEK_END);
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lseek(ifd, 0, SEEK_SET);
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memcpy(&buffer[0], SPL_HEADER, SPL_HEADER_SIZE);
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count = (len < (IMG_SIZE - SPL_HEADER_SIZE))
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? len : (IMG_SIZE - SPL_HEADER_SIZE);
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if (read(ifd, buffer + SPL_HEADER_SIZE, count) != count) {
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fprintf(stderr, "%s: Can't read %s: %s\n",
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argv[0], argv[1], strerror(errno));
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if (ifd)
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close(ifd);
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if (ofd)
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close(ofd);
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exit(EXIT_FAILURE);
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}
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for (i = 0; i < IMG_SIZE - SPL_HEADER_SIZE; i++)
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checksum += buffer[i+16];
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*(ulong *)buffer ^= 0x1f;
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*(ulong *)(buffer+4) ^= checksum;
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for (i = 1; i < SPL_HEADER_SIZE; i++)
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buffer[i] ^= buffer[i-1];
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if (write(ofd, buffer, BUFSIZE) != BUFSIZE) {
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fprintf(stderr, "%s: Can't write %s: %s\n",
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argv[0], argv[2], strerror(errno));
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if (ifd)
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close(ifd);
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if (ofd)
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close(ofd);
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exit(EXIT_FAILURE);
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}
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if (ifd)
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close(ifd);
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if (ofd)
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close(ofd);
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return EXIT_SUCCESS;
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}
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@ -94,6 +94,9 @@
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#define CONFIG_BOOTDELAY 3
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#define CONFIG_ZERO_BOOTDELAY_CHECK
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/* MMC SPL */
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#define CONFIG_SPL
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#define COPY_BL2_FNPTR_ADDR 0x02020030
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#define CONFIG_BOOTCOMMAND "fatload mmc 0 40007000 uImage; bootm 40007000"
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@ -157,4 +160,9 @@
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#define CONFIG_DOS_PARTITION 1
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#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_LOAD_ADDR - GENERATED_GBL_DATA_SIZE)
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/* U-boot copy size from boot Media to DRAM.*/
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#define COPY_BL2_SIZE 0x80000
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#define BL2_START_OFFSET ((CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)/512)
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#define BL2_SIZE_BLOC_COUNT (COPY_BL2_SIZE/512)
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#endif /* __CONFIG_H */
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10
spl/Makefile
10
spl/Makefile
@ -93,8 +93,18 @@ endif
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ALL-y += $(obj)u-boot-spl.bin
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ifdef CONFIG_SAMSUNG
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ALL-y += $(obj)$(BOARD)-spl.bin
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endif
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all: $(ALL-y)
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ifdef CONFIG_SAMSUNG
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$(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
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$(TOPDIR)/board/$(BOARDDIR)/tools/mk$(BOARD)spl.exe \
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$(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
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endif
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$(obj)u-boot-spl.bin: $(obj)u-boot-spl
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$(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
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