Based linux-sunxi#sunxi commit d854c4de2f57 "arm: Handle .gnu.hash section in ldscripts" vs v2014.01.
This has been stripped back for mainlining and supports only sun7i booting via FEL mode. These changes are not useful by themselves but are split out to make the patch sizes more manageable.
As well as the following signed-off-by the sunxi branch shows commits to these files authored by the following: Almo Nito Carl van Schaik FUKAUMI Naoki hehopmajieh j Sergey Lapin Tom Cubie
Signed-off-by: Adam Sampson ats@offog.org Signed-off-by: Aleksei Mamlin mamlinav@gmail.com Signed-off-by: Chen-Yu Tsai wens@csie.org Signed-off-by: Emilio López emilio@elopez.com.ar Signed-off-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Henrik Nordstrom henrik@henriknordstrom.net Signed-off-by: Jens Kuske jenskuske@gmail.com Signed-off-by: Luc Verhaegen libv@skynet.be Signed-off-by: Luke Leighton lkcl@lkcl.net Signed-off-by: Oliver Schinagl oliver@schinagl.nl Signed-off-by: Patrick Wood patrickhwood@gmail.com Signed-off-by: Stefan Roese sr@denx.de Signed-off-by: Wills Wang wills.wang.open@gmail.com Signed-off-by: Ian Campbell ijc@hellion.org.uk --- arch/arm/cpu/armv7/Makefile | 2 +- arch/arm/cpu/armv7/sunxi/u-boot-spl-fel.lds | 59 +++++++++++ arch/arm/include/asm/arch-sunxi/spl.h | 36 +++++++ board/sunxi/Makefile | 1 + include/configs/sun7i.h | 41 ++++++++ include/configs/sunxi-common.h | 154 ++++++++++++++++++++++++++++ 6 files changed, 292 insertions(+), 1 deletion(-) create mode 100644 arch/arm/cpu/armv7/sunxi/u-boot-spl-fel.lds create mode 100644 arch/arm/include/asm/arch-sunxi/spl.h create mode 100644 include/configs/sun7i.h create mode 100644 include/configs/sunxi-common.h
diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile index 0467d00..71c233c 100644 --- a/arch/arm/cpu/armv7/Makefile +++ b/arch/arm/cpu/armv7/Makefile @@ -12,7 +12,7 @@ obj-y += cache_v7.o obj-y += cpu.o obj-y += syslib.o
-ifneq ($(CONFIG_AM43XX)$(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6)$(CONFIG_TI81XX)$(CONFIG_AT91FAMILY),) +ifneq ($(CONFIG_AM43XX)$(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6)$(CONFIG_TI81XX)$(CONFIG_AT91FAMILY)$(CONFIG_SUNXI),) ifneq ($(CONFIG_SKIP_LOWLEVEL_INIT),y) obj-y += lowlevel_init.o endif diff --git a/arch/arm/cpu/armv7/sunxi/u-boot-spl-fel.lds b/arch/arm/cpu/armv7/sunxi/u-boot-spl-fel.lds new file mode 100644 index 0000000..cf02300 --- /dev/null +++ b/arch/arm/cpu/armv7/sunxi/u-boot-spl-fel.lds @@ -0,0 +1,59 @@ +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(s_init) +SECTIONS +{ + . = 0x00002000; + . = ALIGN(4); + .text : + { + *(.text.s_init) + *(.text*) + } + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } + . = ALIGN(4); + .data : { + *(.data*) + } + . = ALIGN(4); + . = .; + . = ALIGN(4); + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } + . = ALIGN(4); + .note.gnu.build-id : + { + *(.note.gnu.build-id) + } + _end = .; + . = ALIGN(4096); + .mmutable : { + *(.mmutable) + } + .bss_start __rel_dyn_start (OVERLAY) : { + KEEP(*(.__bss_start)); + __bss_base = .; + } + .bss __bss_base (OVERLAY) : { + *(.bss*) + . = ALIGN(4); + __bss_limit = .; + } + .bss_end __bss_limit (OVERLAY) : { + KEEP(*(.__bss_end)); + } + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } + /DISCARD/ : { *(.note*) } +} diff --git a/arch/arm/include/asm/arch-sunxi/spl.h b/arch/arm/include/asm/arch-sunxi/spl.h new file mode 100644 index 0000000..6a47d14 --- /dev/null +++ b/arch/arm/include/asm/arch-sunxi/spl.h @@ -0,0 +1,36 @@ +/* + * This is a copy of omap3/spl.h: + * + * (C) Copyright 2012 + * Texas Instruments, <www.ti.com> + * + * 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 + */ +#ifndef _ASM_ARCH_SPL_H_ +#define _ASM_SPL_H_ + +#define BOOT_DEVICE_NONE 0 +#define BOOT_DEVICE_XIP 1 +#define BOOT_DEVICE_NAND 2 +#define BOOT_DEVICE_ONE_NAND 3 +#define BOOT_DEVICE_MMC2 5 /*emmc*/ +#define BOOT_DEVICE_MMC1 6 +#define BOOT_DEVICE_XIPWAIT 7 +#define BOOT_DEVICE_MMC2_2 0xff +#endif diff --git a/board/sunxi/Makefile b/board/sunxi/Makefile index b8c26ab..180adc9 100644 --- a/board/sunxi/Makefile +++ b/board/sunxi/Makefile @@ -26,3 +26,4 @@ #
obj-y += board.o +obj-y += dram_cubietruck.o diff --git a/include/configs/sun7i.h b/include/configs/sun7i.h new file mode 100644 index 0000000..4660d7b --- /dev/null +++ b/include/configs/sun7i.h @@ -0,0 +1,41 @@ +/* + * (C) Copyright 2012-2013 Henrik Nordstrom henrik@henriknordstrom.net + * (C) Copyright 2013 Luke Kenneth Casson Leighton lkcl@lkcl.net + * + * Configuration settings for the Allwinner A20 (sun7i) CPU + * + * 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * A20 specific configuration + */ +#define CONFIG_SUN7I /* sun7i SoC generation */ + +#define CONFIG_SYS_PROMPT "sun7i# " + +/* + * Include common sunxi configuration where most the settings are + */ +#include <configs/sunxi-common.h> + +#endif /* __CONFIG_H */ diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h new file mode 100644 index 0000000..bdfc169 --- /dev/null +++ b/include/configs/sunxi-common.h @@ -0,0 +1,154 @@ +/* + * (C) Copyright 2012-2012 Henrik Nordstrom henrik@henriknordstrom.net + * + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie tangliang@allwinnertech.com + * + * Configuration settings for the Allwinner sunxi series of boards. + * + * 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 + */ + +#ifndef _SUNXI_COMMON_CONFIG_H +#define _SUNXI_COMMON_CONFIG_H + +/* + * High Level Configuration Options + */ +#define CONFIG_ALLWINNER /* It's a Allwinner chip */ +#define CONFIG_SUNXI /* which is sunxi family */ + +#include <asm/arch/cpu.h> /* get chip and board defs */ + +#define CONFIG_SYS_TEXT_BASE 0x4a000000 + +/* + * Display CPU information + */ +#define CONFIG_DISPLAY_CPUINFO + +/* Serial & console */ +#define CONFIG_SYS_NS16550 +#define CONFIG_SYS_NS16550_SERIAL +/* ns16550 reg in the low bits of cpu reg */ +#define CONFIG_SYS_NS16550_REG_SIZE (-4) +#define CONFIG_SYS_NS16550_CLK (24000000) +#define CONFIG_SYS_NS16550_COM1 SUNXI_UART0_BASE +#define CONFIG_SYS_NS16550_COM2 SUNXI_UART1_BASE +#define CONFIG_SYS_NS16550_COM3 SUNXI_UART2_BASE +#define CONFIG_SYS_NS16550_COM4 SUNXI_UART3_BASE + +/* DRAM Base */ +#define CONFIG_SYS_SDRAM_BASE 0x40000000 +#define CONFIG_SYS_INIT_RAM_ADDR 0x0 +#define CONFIG_SYS_INIT_RAM_SIZE 0x8000 /* 32 KiB */ + +#define CONFIG_SYS_INIT_SP_OFFSET \ + (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_ADDR \ + (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) + +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM_0 CONFIG_SYS_SDRAM_BASE +#define PHYS_SDRAM_0_SIZE 0x80000000 /* 2 GiB */ + +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_CMDLINE_TAG +#define CONFIG_INITRD_TAG +#define CONFIG_CMDLINE_EDITING + +/* + * Size of malloc() pool + * 1MB = 0x100000, 0x100000 = 1024 * 1024 + */ +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (1 << 20)) + +/* + * Miscellaneous configurable options + */ +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ +#define CONFIG_CMD_ECHO +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +#define CONFIG_SYS_PBSIZE 384 /* Print Buffer Size */ +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ + +/* Boot Argument Buffer Size */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + +/* memtest works on */ +#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + (256 << 20)) +#define CONFIG_SYS_LOAD_ADDR 0x50000000 /* default load address */ + +/* standalone support */ +#define CONFIG_STANDALONE_LOAD_ADDR 0x50000000 + +#define CONFIG_SYS_HZ 1000 + +/* valid baudrates */ +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* The stack sizes are set up in start.S using the settings below */ +#define CONFIG_STACKSIZE (256 << 10) /* 256 KiB */ + +/* FLASH and environment organization */ + +#define CONFIG_SYS_NO_FLASH + +#define CONFIG_SYS_MONITOR_LEN (512 << 10) /* 512 KiB */ +#define CONFIG_IDENT_STRING " Allwinner Technology" + +#define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */ + +#define CONFIG_BOOTDELAY 3 +#define CONFIG_SYS_BOOT_GET_CMDLINE +#define CONFIG_AUTO_COMPLETE + +#include <config_cmd_default.h> + +#define CONFIG_SPL_FRAMEWORK +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_SERIAL_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT + +#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 */ +/* end of 32 KiB in sram */ +#define LOW_LEVEL_SRAM_STACK 0x00008000 +#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK + +#undef CONFIG_CMD_NET + +#define CONFIG_CONS_INDEX 1 /* UART0 */ + +#if !defined CONFIG_ENV_IS_IN_MMC && \ + !defined CONFIG_ENV_IS_IN_NAND && \ + !defined CONFIG_ENV_IS_IN_FAT && \ + !defined CONFIG_ENV_IS_IN_SPI_FLASH +#define CONFIG_ENV_IS_NOWHERE +#endif + +#endif /* _SUNXI_COMMON_CONFIG_H */