From patchwork Tue Jul 12 08:48:10 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chander Kashyap X-Patchwork-Id: 2660 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id E3D1D23F3F for ; Tue, 12 Jul 2011 08:49:57 +0000 (UTC) Received: from mail-qw0-f52.google.com (mail-qw0-f52.google.com [209.85.216.52]) by fiordland.canonical.com (Postfix) with ESMTP id 9840DA1813A for ; Tue, 12 Jul 2011 08:49:57 +0000 (UTC) Received: by qwb8 with SMTP id 8so3225409qwb.11 for ; Tue, 12 Jul 2011 01:49:57 -0700 (PDT) Received: by 10.229.68.200 with SMTP id w8mr4756881qci.114.1310460596980; Tue, 12 Jul 2011 01:49:56 -0700 (PDT) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.229.217.78 with SMTP id hl14cs235447qcb; Tue, 12 Jul 2011 01:49:56 -0700 (PDT) Received: by 10.204.74.197 with SMTP id v5mr3019773bkj.150.1310460594875; Tue, 12 Jul 2011 01:49:54 -0700 (PDT) Received: from mail-bw0-f50.google.com (mail-bw0-f50.google.com [209.85.214.50]) by mx.google.com with ESMTPS id la16si6910991bkb.83.2011.07.12.01.49.53 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 12 Jul 2011 01:49:54 -0700 (PDT) Received-SPF: neutral (google.com: 209.85.214.50 is neither permitted nor denied by best guess record for domain of chander.kashyap@linaro.org) client-ip=209.85.214.50; Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.214.50 is neither permitted nor denied by best guess record for domain of chander.kashyap@linaro.org) smtp.mail=chander.kashyap@linaro.org Received: by mail-bw0-f50.google.com with SMTP id 11so5176899bwb.37 for ; Tue, 12 Jul 2011 01:49:53 -0700 (PDT) Received: by 10.204.127.16 with SMTP id e16mr3106889bks.136.1310460593575; Tue, 12 Jul 2011 01:49:53 -0700 (PDT) Received: from localhost.localdomain ([115.113.119.130]) by mx.google.com with ESMTPS id s16sm1733780fah.2.2011.07.12.01.49.48 (version=SSLv3 cipher=OTHER); Tue, 12 Jul 2011 01:49:52 -0700 (PDT) From: Chander Kashyap To: u-boot@lists.denx.de Cc: mk7.kang@samsung.com, bjlee@samsung.com, patches@linaro.org, samsung@lists.linaro.org, linaro-dev@lists.linaro.org, Chander Kashyap Subject: [PATCH v2 2/2] ORIGEN: Add MMC SPL support Date: Tue, 12 Jul 2011 14:18:10 +0530 Message-Id: <1310460490-27494-3-git-send-email-chander.kashyap@linaro.org> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1310460490-27494-1-git-send-email-chander.kashyap@linaro.org> References: <1310460490-27494-1-git-send-email-chander.kashyap@linaro.org> Adds mmc boot support. Signed-off-by: Chander Kashyap --- Changes in v2: Use sys/stat.h for file permission macros in tools/mkv310_image.c mmc_spl/board/samsung/origen/Makefile | 105 +++++++++++++++ mmc_spl/board/samsung/origen/mmc_boot.c | 75 +++++++++++ mmc_spl/board/samsung/origen/tools/mkv310_image.c | 140 +++++++++++++++++++++ mmc_spl/board/samsung/origen/u-boot.lds | 86 +++++++++++++ 4 files changed, 406 insertions(+), 0 deletions(-) create mode 100644 mmc_spl/board/samsung/origen/Makefile create mode 100644 mmc_spl/board/samsung/origen/mmc_boot.c create mode 100644 mmc_spl/board/samsung/origen/tools/mkv310_image.c create mode 100644 mmc_spl/board/samsung/origen/u-boot.lds diff --git a/mmc_spl/board/samsung/origen/Makefile b/mmc_spl/board/samsung/origen/Makefile new file mode 100644 index 0000000..7b62684 --- /dev/null +++ b/mmc_spl/board/samsung/origen/Makefile @@ -0,0 +1,105 @@ +# +# (C) Copyright 2006-2007 +# Stefan Roese, DENX Software Engineering, sr@denx.de. +# +# (C) Copyright 2008 +# Guennadi Liakhovetki, DENX Software Engineering, +# +# (C) Copyright 2011 +# Chander Kashyap, 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 +# + +CONFIG_MMC_SPL = y + +include $(TOPDIR)/config.mk + +LDSCRIPT= $(TOPDIR)/mmc_spl/board/$(BOARDDIR)/u-boot.lds +LDFLAGS = -Bstatic -T $(mmcobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(PLATFORM_LDFLAGS) +AFLAGS += -DCONFIG_MMC_SPL +CFLAGS += -DCONFIG_MMC_SPL +CFLAGS += -DCONFIG_PRELOADER + +SOBJS = start.o mem_setup.o lowlevel_init.o +COBJS = mmc_boot.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) +__OBJS := $(SOBJS) $(COBJS) +LNDIR := $(OBJTREE)/mmc_spl/board/$(BOARDDIR) + +mmcobj := $(OBJTREE)/mmc_spl/ + + +MKV310_MMC_SPL_EXEC = mkv310_mmc_spl_exec +MMC_SPL_BIN = u-boot-mmc-spl.bin + +ALL = $(mmcobj)u-boot-spl $(mmcobj)u-boot-spl.bin $(mmcobj)$(MMC_SPL_BIN) + +all: $(obj).depend $(ALL) + +$(mmcobj)$(MMC_SPL_BIN): $(mmcobj)u-boot-spl.bin tools/$(MKV310_MMC_SPL_EXEC) + ./tools/$(MKV310_MMC_SPL_EXEC) $(mmcobj)u-boot-spl.bin $(mmcobj)$(MMC_SPL_BIN) + rm -f tools/$(MKV310_MMC_SPL_EXEC) + +tools/$(MKV310_MMC_SPL_EXEC): tools/mkv310_image.c + $(HOSTCC) tools/mkv310_image.c -o tools/$(MKV310_MMC_SPL_EXEC) + +$(mmcobj)u-boot-spl.bin: $(mmcobj)u-boot-spl + $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ + +$(mmcobj)u-boot-spl: $(OBJS) $(mmcobj)u-boot.lds + cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \ + -Map $(mmcobj)u-boot-spl.map \ + -o $(mmcobj)u-boot-spl + +$(mmcobj)u-boot.lds: $(LDSCRIPT) + $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@ + +# create symbolic links for common files + +# from cpu directory +start.S: + @rm -f $@ + @ln -s $(TOPDIR)/arch/arm/cpu/armv7/start.S $@ + +# from board directory +mem_setup.S: + @rm -f $@ + @ln -s $(TOPDIR)/board/samsung/origen/mem_setup.S $@ + +lowlevel_init.S: + @rm -f $@ + @ln -s $(TOPDIR)/board/samsung/origen/lowlevel_init.S $@ + +######################################################################### + +$(obj)%.o: %.S + $(CC) $(AFLAGS) -c -o $@ $< + +$(obj)%.o: %.c + $(CC) $(CFLAGS) -c -o $@ $< + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/mmc_spl/board/samsung/origen/mmc_boot.c b/mmc_spl/board/samsung/origen/mmc_boot.c new file mode 100644 index 0000000..459d27d --- /dev/null +++ b/mmc_spl/board/samsung/origen/mmc_boot.c @@ -0,0 +1,75 @@ +/* + * 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) +{ +#ifdef CONFIG_EVT1 + copy_sd_mmc_to_mem copy_bl2 = (copy_sd_mmc_to_mem)*(u32 *)(0x02020030); +#else + copy_sd_mmc_to_mem copy_bl2 = (copy_sd_mmc_to_mem)(0x00002488); +#endif + 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 do_undefined_instruction(struct pt_regs *pt_regs) {} + +void do_software_interrupt(struct pt_regs *pt_regs) {} + +void do_prefetch_abort(struct pt_regs *pt_regs) {} + +void do_data_abort(struct pt_regs *pt_regs) {} + +void do_not_used(struct pt_regs *pt_regs) {} + +void do_fiq(struct pt_regs *pt_regs) {} + +#ifndef CONFIG_USE_IRQ +void do_irq(struct pt_regs *pt_regs) {} +#endif diff --git a/mmc_spl/board/samsung/origen/tools/mkv310_image.c b/mmc_spl/board/samsung/origen/tools/mkv310_image.c new file mode 100644 index 0000000..571e400 --- /dev/null +++ b/mmc_spl/board/samsung/origen/tools/mkv310_image.c @@ -0,0 +1,140 @@ +/* + * 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 BUFSIZE (16*1024) +#define IMG_SIZE (16*1024) +#define HEADER_SIZE 16 +#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 < (IMG_SIZE - HEADER_SIZE)) + ? len : (IMG_SIZE - HEADER_SIZE); + + if (read(ifd, buffer + 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 - HEADER_SIZE; i++) + checksum += buffer[i+16]; + + *(ulong *)buffer = 0x1f; + *(ulong *)(buffer+4) = checksum; + + buffer[0] ^= 0x53; + buffer[1] ^= 0x35; + buffer[2] ^= 0x50; + buffer[3] ^= 0x43; + buffer[4] ^= 0x32; + buffer[5] ^= 0x31; + buffer[6] ^= 0x30; + buffer[7] ^= 0x20; + buffer[8] ^= 0x48; + buffer[9] ^= 0x45; + buffer[10] ^= 0x41; + buffer[11] ^= 0x44; + buffer[12] ^= 0x45; + buffer[13] ^= 0x52; + buffer[14] ^= 0x20; + buffer[15] ^= 0x20; + + for (i = 1; i < 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; +} diff --git a/mmc_spl/board/samsung/origen/u-boot.lds b/mmc_spl/board/samsung/origen/u-boot.lds new file mode 100644 index 0000000..61cd16a --- /dev/null +++ b/mmc_spl/board/samsung/origen/u-boot.lds @@ -0,0 +1,86 @@ +/* + * (C) Copyright 2011 + * Chander Kashyap, Samsung Electronics, + * + * January 2004 - Changed to support H4 device + * Copyright (c) 2004-2008 Texas Instruments + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, + * + * 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 + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + start.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } + + . = ALIGN(4); + .data : { + *(.data) + } + + . = ALIGN(4); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } + + _end = .; + + .bss __rel_dyn_start (OVERLAY) : { + __bss_start = .; + *(.bss) + . = ALIGN(4); + __bss_end__ = .; + } + + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } +}