From 50827a5991bb345319bd0ce76f5e2402fac0c391 Mon Sep 17 00:00:00 2001 From: Ian Campbell Date: Mon, 5 May 2014 11:52:30 +0100 Subject: [PATCH] sunxi: non-FEL SPL boot support for sun7i MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add support for booting from an MMC card. Signed-off-by: Stefan Roese Signed-off-by: Henrik Nordström Signed-off-by: Ian Campbell Reviewed-by: Marek Vasut Cc: Tom Cubie Reviewed-by: Tom Rini --- Makefile | 10 ++ arch/arm/cpu/armv7/sunxi/config.mk | 8 ++ arch/arm/cpu/armv7/sunxi/u-boot-spl.lds | 52 +++++++++ boards.cfg | 1 + include/configs/sunxi-common.h | 26 +++++ spl/Makefile | 13 +++ tools/.gitignore | 1 + tools/Makefile | 2 + tools/mksunxiboot.c | 142 ++++++++++++++++++++++++ 9 files changed, 255 insertions(+) create mode 100644 arch/arm/cpu/armv7/sunxi/config.mk create mode 100644 arch/arm/cpu/armv7/sunxi/u-boot-spl.lds create mode 100644 tools/mksunxiboot.c diff --git a/Makefile b/Makefile index 928a8808b6..966fd14844 100644 --- a/Makefile +++ b/Makefile @@ -937,6 +937,13 @@ OBJCOPYFLAGS_u-boot-spi.gph = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) u-boot-spi.gph: spl/u-boot-spl.gph u-boot.img FORCE $(call if_changed,pad_cat) +ifneq ($(CONFIG_SUNXI),) +OBJCOPYFLAGS_u-boot-sunxi-with-spl.bin = -I binary -O binary \ + --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff +u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img FORCE + $(call if_changed,pad_cat) +endif + ifneq ($(CONFIG_TEGRA),) OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE @@ -1163,6 +1170,9 @@ spl/u-boot-spl.bin: spl/u-boot-spl spl/u-boot-spl: tools prepare $(Q)$(MAKE) obj=spl -f $(srctree)/spl/Makefile all +spl/sunxi-spl.bin: spl/u-boot-spl + @: + tpl/u-boot-tpl.bin: tools prepare $(Q)$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y diff --git a/arch/arm/cpu/armv7/sunxi/config.mk b/arch/arm/cpu/armv7/sunxi/config.mk new file mode 100644 index 0000000000..00f5ffc683 --- /dev/null +++ b/arch/arm/cpu/armv7/sunxi/config.mk @@ -0,0 +1,8 @@ +# Build a combined spl + u-boot image +ifdef CONFIG_SPL +ifndef CONFIG_SPL_BUILD +ifndef CONFIG_SPL_FEL +ALL-y += u-boot-sunxi-with-spl.bin +endif +endif +endif diff --git a/arch/arm/cpu/armv7/sunxi/u-boot-spl.lds b/arch/arm/cpu/armv7/sunxi/u-boot-spl.lds new file mode 100644 index 0000000000..5008028aae --- /dev/null +++ b/arch/arm/cpu/armv7/sunxi/u-boot-spl.lds @@ -0,0 +1,52 @@ +/* + * (C) Copyright 2012 + * Allwinner Technology Co., Ltd. + * Tom Cubie + * + * Based on omap-common/u-boot-spl.lds: + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, + * + * (C) Copyright 2010 + * Texas Instruments, + * Aneesh V + * + * SPDX-License-Identifier: GPL-2.0+ + */ +MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\ + LENGTH = CONFIG_SPL_MAX_SIZE } +MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \ + LENGTH = CONFIG_SPL_BSS_MAX_SIZE } + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + .text : + { + __start = .; + arch/arm/cpu/armv7/start.o (.text) + *(.text*) + } > .sram + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram + + . = ALIGN(4); + .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram + + . = ALIGN(4); + __image_copy_end = .; + _end = .; + + .bss : + { + . = ALIGN(4); + __bss_start = .; + *(.bss*) + . = ALIGN(4); + __bss_end = .; + } > .sdram +} diff --git a/boards.cfg b/boards.cfg index bc0503048f..8b1177c36e 100644 --- a/boards.cfg +++ b/boards.cfg @@ -379,6 +379,7 @@ Active arm armv7 rmobile renesas lager Active arm armv7 s5pc1xx samsung goni s5p_goni - Przemyslaw Marczak Active arm armv7 s5pc1xx samsung smdkc100 smdkc100 - Minkyu Kang Active arm armv7 socfpga altera socfpga socfpga_cyclone5 - - +Active arm armv7 sunxi - sunxi Cubietruck sun7i:CUBIETRUCK,SPL,SUNXI_GMAC,RGMII - Active arm armv7 sunxi - sunxi Cubietruck_FEL sun7i:CUBIETRUCK,SPL_FEL,SUNXI_GMAC,RGMII - Active arm armv7 u8500 st-ericsson snowball snowball - Mathieu Poirier Active arm armv7 u8500 st-ericsson u8500 u8500_href - - diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h index 42534521d6..5d72d62f14 100644 --- a/include/configs/sunxi-common.h +++ b/include/configs/sunxi-common.h @@ -17,6 +17,11 @@ * High Level Configuration Options */ #define CONFIG_SUNXI /* sunxi family */ +#ifdef CONFIG_SPL_BUILD +#ifndef CONFIG_SPL_FEL +#define CONFIG_SYS_THUMB_BUILD /* Thumbs mode to save space in SPL */ +#endif +#endif #include /* get chip and board defs */ @@ -121,11 +126,32 @@ #define CONFIG_SPL_SERIAL_SUPPORT #define CONFIG_SPL_LIBGENERIC_SUPPORT +#ifdef CONFIG_SPL_FEL + #define CONFIG_SPL #define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/sunxi/u-boot-spl-fel.lds" #define CONFIG_SPL_START_S_PATH "arch/arm/cpu/armv7/sunxi" #define CONFIG_SPL_TEXT_BASE 0x2000 #define CONFIG_SPL_MAX_SIZE 0x4000 /* 16 KiB */ + +#else /* CONFIG_SPL */ + +#define CONFIG_SPL_BSS_START_ADDR 0x4ff80000 +#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KiB */ + +#define CONFIG_SPL_TEXT_BASE 0x20 /* sram start+header */ +#define CONFIG_SPL_MAX_SIZE 0x5fe0 /* 24KB on sun4i/sun7i */ + +#define CONFIG_SPL_LIBDISK_SUPPORT +#define CONFIG_SPL_MMC_SUPPORT + +#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds" + +#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 80 /* 40KiB */ +#define CONFIG_SPL_PAD_TO 32768 /* decimal for 'dd' */ + +#endif /* CONFIG_SPL */ + /* end of 32 KiB in sram */ #define LOW_LEVEL_SRAM_STACK 0x00008000 /* End of sram */ #define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK diff --git a/spl/Makefile b/spl/Makefile index 55500fd897..bfb7c8aec8 100644 --- a/spl/Makefile +++ b/spl/Makefile @@ -189,6 +189,12 @@ ifdef CONFIG_SAMSUNG ALL-y += $(obj)/$(BOARD)-spl.bin endif +ifdef CONFIG_SUNXI +ifndef CONFIG_SPL_FEL +ALL-y += $(obj)/sunxi-spl.bin +endif +endif + all: $(ALL-y) ifdef CONFIG_SAMSUNG @@ -216,6 +222,13 @@ ifneq ($(CONFIG_SPL_TEXT_BASE),) LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) endif +ifdef CONFIG_SUNXI +quiet_cmd_mksunxiboot = MKSUNXI $@ +cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ +$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin + $(call if_changed,mksunxiboot) +endif + quiet_cmd_u-boot-spl = LD $@ cmd_u-boot-spl = cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ diff --git a/tools/.gitignore b/tools/.gitignore index b1e997fc3e..725db906e8 100644 --- a/tools/.gitignore +++ b/tools/.gitignore @@ -11,6 +11,7 @@ /mkexynosspl /mpc86x_clk /mxsboot +/mksunxiboot /ncb /proftool /relocate-rela diff --git a/tools/Makefile b/tools/Makefile index 6e43a0150d..b64522440d 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -131,6 +131,8 @@ hostprogs-$(CONFIG_MX23) += mxsboot$(SFX) hostprogs-$(CONFIG_MX28) += mxsboot$(SFX) HOSTCFLAGS_mxsboot$(SFX).o := -pedantic +hostprogs-$(CONFIG_SUNXI) += mksunxiboot$(SFX) + hostprogs-$(CONFIG_NETCONSOLE) += ncb$(SFX) hostprogs-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1$(SFX) diff --git a/tools/mksunxiboot.c b/tools/mksunxiboot.c new file mode 100644 index 0000000000..da7c9f0ddc --- /dev/null +++ b/tools/mksunxiboot.c @@ -0,0 +1,142 @@ +/* + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. + * Tom Cubie + * + * a simple tool to generate bootable image for sunxi platform. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include +#include +#include +#include +#include +#include +#include +#include + +/* boot head definition from sun4i boot code */ +struct boot_file_head { + uint32_t b_instruction; /* one intruction jumping to real code */ + uint8_t magic[8]; /* ="eGON.BT0" or "eGON.BT1", not C-style str */ + uint32_t check_sum; /* generated by PC */ + uint32_t length; /* generated by PC */ + /* + * We use a simplified header, only filling in what is needed + * by the boot ROM. To be compatible with Allwinner tools we + * would need to implement the proper fields here instead of + * padding. + */ + uint8_t pad[12]; /* align to 32 bytes */ +}; + +#define BOOT0_MAGIC "eGON.BT0" +#define STAMP_VALUE 0x5F0A6C39 + +/* check sum functon from sun4i boot code */ +int gen_check_sum(struct boot_file_head *head_p) +{ + uint32_t length; + uint32_t *buf; + uint32_t loop; + uint32_t i; + uint32_t sum; + + length = head_p->length; + if ((length & 0x3) != 0) /* must 4-byte-aligned */ + return -1; + buf = (uint32_t *)head_p; + head_p->check_sum = STAMP_VALUE; /* fill stamp */ + loop = length >> 2; + + /* calculate the sum */ + for (i = 0, sum = 0; i < loop; i++) + sum += buf[i]; + + /* write back check sum */ + head_p->check_sum = sum; + + return 0; +} + +#define ALIGN(x, a) __ALIGN_MASK((x), (typeof(x))(a)-1) +#define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask)) + +#define SUN4I_SRAM_SIZE 0x7600 /* 0x7748+ is used by BROM */ +#define SRAM_LOAD_MAX_SIZE (SUN4I_SRAM_SIZE - sizeof(struct boot_file_head)) +#define BLOCK_SIZE 512 + +struct boot_img { + struct boot_file_head header; + char code[SRAM_LOAD_MAX_SIZE]; + char pad[BLOCK_SIZE]; +}; + +int main(int argc, char *argv[]) +{ + int fd_in, fd_out; + struct boot_img img; + unsigned file_size, load_size; + int count; + + if (argc < 2) { + printf("\tThis program makes an input bin file to sun4i " \ + "bootable image.\n" \ + "\tUsage: %s input_file out_putfile\n", argv[0]); + return EXIT_FAILURE; + } + + fd_in = open(argv[1], O_RDONLY); + if (fd_in < 0) { + perror("Open input file"); + return EXIT_FAILURE; + } + + memset(img.pad, 0, BLOCK_SIZE); + + /* get input file size */ + file_size = lseek(fd_in, 0, SEEK_END); + + if (file_size > SRAM_LOAD_MAX_SIZE) { + fprintf(stderr, "ERROR: File too large!\n"); + return EXIT_FAILURE; + } else { + load_size = ALIGN(file_size, sizeof(int)); + } + + fd_out = open(argv[2], O_WRONLY | O_CREAT, 0666); + if (fd_out < 0) { + perror("Open output file"); + return EXIT_FAILURE; + } + + /* read file to buffer to calculate checksum */ + lseek(fd_in, 0, SEEK_SET); + count = read(fd_in, img.code, load_size); + if (count != load_size) { + perror("Reading input image"); + return EXIT_FAILURE; + } + + /* fill the header */ + img.header.b_instruction = /* b instruction */ + 0xEA000000 | /* jump to the first instr after the header */ + ((sizeof(struct boot_file_head) / sizeof(int) - 2) + & 0x00FFFFFF); + memcpy(img.header.magic, BOOT0_MAGIC, 8); /* no '0' termination */ + img.header.length = + ALIGN(load_size + sizeof(struct boot_file_head), BLOCK_SIZE); + gen_check_sum(&img.header); + + count = write(fd_out, &img, img.header.length); + if (count != img.header.length) { + perror("Writing output"); + return EXIT_FAILURE; + } + + close(fd_in); + close(fd_out); + + return EXIT_SUCCESS; +} -- 2.39.5