mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-10 07:04:28 +00:00
sunxi: non-FEL SPL boot support for sun7i
Add support for booting from an MMC card. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Henrik Nordström <henrik@henriknordstrom.net> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Reviewed-by: Tom Rini <trini@ti.com>
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e24ea55c04
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9 changed files with 255 additions and 0 deletions
10
Makefile
10
Makefile
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@ -937,6 +937,13 @@ OBJCOPYFLAGS_u-boot-spi.gph = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
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u-boot-spi.gph: spl/u-boot-spl.gph u-boot.img FORCE
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$(call if_changed,pad_cat)
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ifneq ($(CONFIG_SUNXI),)
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OBJCOPYFLAGS_u-boot-sunxi-with-spl.bin = -I binary -O binary \
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--pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff
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u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img FORCE
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$(call if_changed,pad_cat)
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endif
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ifneq ($(CONFIG_TEGRA),)
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OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE)
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u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE
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@ -1163,6 +1170,9 @@ spl/u-boot-spl.bin: spl/u-boot-spl
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spl/u-boot-spl: tools prepare
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$(Q)$(MAKE) obj=spl -f $(srctree)/spl/Makefile all
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spl/sunxi-spl.bin: spl/u-boot-spl
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@:
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tpl/u-boot-tpl.bin: tools prepare
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$(Q)$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y
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8
arch/arm/cpu/armv7/sunxi/config.mk
Normal file
8
arch/arm/cpu/armv7/sunxi/config.mk
Normal file
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@ -0,0 +1,8 @@
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# Build a combined spl + u-boot image
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ifdef CONFIG_SPL
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ifndef CONFIG_SPL_BUILD
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ifndef CONFIG_SPL_FEL
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ALL-y += u-boot-sunxi-with-spl.bin
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endif
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endif
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endif
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52
arch/arm/cpu/armv7/sunxi/u-boot-spl.lds
Normal file
52
arch/arm/cpu/armv7/sunxi/u-boot-spl.lds
Normal file
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@ -0,0 +1,52 @@
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/*
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* (C) Copyright 2012
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* Tom Cubie <tangliang@allwinnertech.com>
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*
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* Based on omap-common/u-boot-spl.lds:
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*
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* (C) Copyright 2002
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* Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
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*
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* (C) Copyright 2010
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* Texas Instruments, <www.ti.com>
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* Aneesh V <aneesh@ti.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\
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LENGTH = CONFIG_SPL_MAX_SIZE }
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MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \
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LENGTH = CONFIG_SPL_BSS_MAX_SIZE }
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OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
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OUTPUT_ARCH(arm)
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ENTRY(_start)
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SECTIONS
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{
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.text :
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{
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__start = .;
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arch/arm/cpu/armv7/start.o (.text)
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*(.text*)
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} > .sram
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. = ALIGN(4);
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.rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram
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. = ALIGN(4);
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.data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram
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. = ALIGN(4);
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__image_copy_end = .;
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_end = .;
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.bss :
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{
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. = ALIGN(4);
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__bss_start = .;
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*(.bss*)
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. = ALIGN(4);
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__bss_end = .;
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} > .sdram
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}
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@ -379,6 +379,7 @@ Active arm armv7 rmobile renesas lager
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Active arm armv7 s5pc1xx samsung goni s5p_goni - Przemyslaw Marczak <p.marczak@samsung.com>
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Active arm armv7 s5pc1xx samsung smdkc100 smdkc100 - Minkyu Kang <mk7.kang@samsung.com>
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Active arm armv7 socfpga altera socfpga socfpga_cyclone5 - -
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Active arm armv7 sunxi - sunxi Cubietruck sun7i:CUBIETRUCK,SPL,SUNXI_GMAC,RGMII -
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Active arm armv7 sunxi - sunxi Cubietruck_FEL sun7i:CUBIETRUCK,SPL_FEL,SUNXI_GMAC,RGMII -
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Active arm armv7 u8500 st-ericsson snowball snowball - Mathieu Poirier <mathieu.poirier@linaro.org>
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Active arm armv7 u8500 st-ericsson u8500 u8500_href - -
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@ -17,6 +17,11 @@
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* High Level Configuration Options
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*/
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#define CONFIG_SUNXI /* sunxi family */
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#ifdef CONFIG_SPL_BUILD
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#ifndef CONFIG_SPL_FEL
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#define CONFIG_SYS_THUMB_BUILD /* Thumbs mode to save space in SPL */
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#endif
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#endif
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#include <asm/arch/cpu.h> /* get chip and board defs */
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@ -121,11 +126,32 @@
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#define CONFIG_SPL_SERIAL_SUPPORT
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#define CONFIG_SPL_LIBGENERIC_SUPPORT
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#ifdef CONFIG_SPL_FEL
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#define CONFIG_SPL
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#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/sunxi/u-boot-spl-fel.lds"
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#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/armv7/sunxi"
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#define CONFIG_SPL_TEXT_BASE 0x2000
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#define CONFIG_SPL_MAX_SIZE 0x4000 /* 16 KiB */
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#else /* CONFIG_SPL */
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#define CONFIG_SPL_BSS_START_ADDR 0x4ff80000
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#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KiB */
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#define CONFIG_SPL_TEXT_BASE 0x20 /* sram start+header */
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#define CONFIG_SPL_MAX_SIZE 0x5fe0 /* 24KB on sun4i/sun7i */
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#define CONFIG_SPL_LIBDISK_SUPPORT
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#define CONFIG_SPL_MMC_SUPPORT
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#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds"
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#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 80 /* 40KiB */
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#define CONFIG_SPL_PAD_TO 32768 /* decimal for 'dd' */
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#endif /* CONFIG_SPL */
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/* end of 32 KiB in sram */
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#define LOW_LEVEL_SRAM_STACK 0x00008000 /* End of sram */
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#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK
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13
spl/Makefile
13
spl/Makefile
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@ -189,6 +189,12 @@ ifdef CONFIG_SAMSUNG
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ALL-y += $(obj)/$(BOARD)-spl.bin
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endif
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ifdef CONFIG_SUNXI
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ifndef CONFIG_SPL_FEL
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ALL-y += $(obj)/sunxi-spl.bin
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endif
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endif
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all: $(ALL-y)
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ifdef CONFIG_SAMSUNG
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@ -216,6 +222,13 @@ ifneq ($(CONFIG_SPL_TEXT_BASE),)
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LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
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endif
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ifdef CONFIG_SUNXI
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quiet_cmd_mksunxiboot = MKSUNXI $@
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cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@
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$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin
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$(call if_changed,mksunxiboot)
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endif
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quiet_cmd_u-boot-spl = LD $@
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cmd_u-boot-spl = cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
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$(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
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1
tools/.gitignore
vendored
1
tools/.gitignore
vendored
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@ -11,6 +11,7 @@
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/mkexynosspl
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/mpc86x_clk
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/mxsboot
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/mksunxiboot
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/ncb
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/proftool
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/relocate-rela
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@ -131,6 +131,8 @@ hostprogs-$(CONFIG_MX23) += mxsboot$(SFX)
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hostprogs-$(CONFIG_MX28) += mxsboot$(SFX)
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HOSTCFLAGS_mxsboot$(SFX).o := -pedantic
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hostprogs-$(CONFIG_SUNXI) += mksunxiboot$(SFX)
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hostprogs-$(CONFIG_NETCONSOLE) += ncb$(SFX)
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hostprogs-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1$(SFX)
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142
tools/mksunxiboot.c
Normal file
142
tools/mksunxiboot.c
Normal file
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@ -0,0 +1,142 @@
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/*
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* (C) Copyright 2007-2011
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* Tom Cubie <tangliang@allwinnertech.com>
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*
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* a simple tool to generate bootable image for sunxi platform.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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/* boot head definition from sun4i boot code */
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struct boot_file_head {
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uint32_t b_instruction; /* one intruction jumping to real code */
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uint8_t magic[8]; /* ="eGON.BT0" or "eGON.BT1", not C-style str */
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uint32_t check_sum; /* generated by PC */
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uint32_t length; /* generated by PC */
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/*
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* We use a simplified header, only filling in what is needed
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* by the boot ROM. To be compatible with Allwinner tools we
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* would need to implement the proper fields here instead of
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* padding.
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*/
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uint8_t pad[12]; /* align to 32 bytes */
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};
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#define BOOT0_MAGIC "eGON.BT0"
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#define STAMP_VALUE 0x5F0A6C39
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/* check sum functon from sun4i boot code */
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int gen_check_sum(struct boot_file_head *head_p)
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{
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uint32_t length;
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uint32_t *buf;
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uint32_t loop;
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uint32_t i;
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uint32_t sum;
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length = head_p->length;
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if ((length & 0x3) != 0) /* must 4-byte-aligned */
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return -1;
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buf = (uint32_t *)head_p;
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head_p->check_sum = STAMP_VALUE; /* fill stamp */
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loop = length >> 2;
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/* calculate the sum */
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for (i = 0, sum = 0; i < loop; i++)
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sum += buf[i];
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/* write back check sum */
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head_p->check_sum = sum;
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return 0;
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}
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#define ALIGN(x, a) __ALIGN_MASK((x), (typeof(x))(a)-1)
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#define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask))
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#define SUN4I_SRAM_SIZE 0x7600 /* 0x7748+ is used by BROM */
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#define SRAM_LOAD_MAX_SIZE (SUN4I_SRAM_SIZE - sizeof(struct boot_file_head))
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#define BLOCK_SIZE 512
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struct boot_img {
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struct boot_file_head header;
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char code[SRAM_LOAD_MAX_SIZE];
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char pad[BLOCK_SIZE];
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};
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int main(int argc, char *argv[])
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{
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int fd_in, fd_out;
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struct boot_img img;
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unsigned file_size, load_size;
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int count;
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if (argc < 2) {
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printf("\tThis program makes an input bin file to sun4i " \
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"bootable image.\n" \
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"\tUsage: %s input_file out_putfile\n", argv[0]);
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return EXIT_FAILURE;
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}
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fd_in = open(argv[1], O_RDONLY);
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if (fd_in < 0) {
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perror("Open input file");
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return EXIT_FAILURE;
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}
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memset(img.pad, 0, BLOCK_SIZE);
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/* get input file size */
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file_size = lseek(fd_in, 0, SEEK_END);
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if (file_size > SRAM_LOAD_MAX_SIZE) {
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fprintf(stderr, "ERROR: File too large!\n");
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return EXIT_FAILURE;
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} else {
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load_size = ALIGN(file_size, sizeof(int));
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}
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fd_out = open(argv[2], O_WRONLY | O_CREAT, 0666);
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if (fd_out < 0) {
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perror("Open output file");
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return EXIT_FAILURE;
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}
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/* read file to buffer to calculate checksum */
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lseek(fd_in, 0, SEEK_SET);
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count = read(fd_in, img.code, load_size);
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if (count != load_size) {
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perror("Reading input image");
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return EXIT_FAILURE;
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}
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/* fill the header */
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img.header.b_instruction = /* b instruction */
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0xEA000000 | /* jump to the first instr after the header */
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((sizeof(struct boot_file_head) / sizeof(int) - 2)
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& 0x00FFFFFF);
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memcpy(img.header.magic, BOOT0_MAGIC, 8); /* no '0' termination */
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img.header.length =
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ALIGN(load_size + sizeof(struct boot_file_head), BLOCK_SIZE);
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gen_check_sum(&img.header);
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count = write(fd_out, &img, img.header.length);
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if (count != img.header.length) {
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perror("Writing output");
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return EXIT_FAILURE;
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}
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close(fd_in);
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close(fd_out);
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return EXIT_SUCCESS;
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}
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