Signed-off-by: Marek Vasut marek.vasut@gmail.com Cc: Albert ARIBAUD albert.u.boot@aribaud.net --- board/vpac270/Makefile | 4 ++ board/vpac270/onenand.c | 66 ++++++++++++++++++++++++++++++ board/vpac270/u-boot-spl.lds | 92 ++++++++++++++++++++++++++++++++++++++++++ board/vpac270/vpac270.c | 2 + include/configs/vpac270.h | 25 +++++++++-- 5 files changed, 184 insertions(+), 5 deletions(-) create mode 100644 board/vpac270/onenand.c create mode 100644 board/vpac270/u-boot-spl.lds
V2: Add missing u-boot-spl.lds, convert bitshifts to division, convert to spl_onenand_load_image() V3: Drop inlines, update linker script, update to conform new onenand_spl.
diff --git a/board/vpac270/Makefile b/board/vpac270/Makefile index b5c60fd..5967055 100644 --- a/board/vpac270/Makefile +++ b/board/vpac270/Makefile @@ -23,7 +23,11 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
+ifndef CONFIG_SPL_BUILD COBJS := vpac270.o +else +COBJS := onenand.o +endif
SRCS := $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/board/vpac270/onenand.c b/board/vpac270/onenand.c new file mode 100644 index 0000000..6a0a37b --- /dev/null +++ b/board/vpac270/onenand.c @@ -0,0 +1,66 @@ +/* + * Voipac PXA270 OneNAND SPL + * + * Copyright (C) 2011 Marek Vasut marek.vasut@gmail.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 + */ + +#include <common.h> +#include <config.h> +#include <asm/io.h> +#include <onenand_uboot.h> + +extern void pxa_dram_init(void); + +void board_init_f(unsigned long unused) +{ + extern uint32_t _end; + uint32_t tmp; + + asm volatile("mov %0, pc" : "=r"(tmp)); + tmp >>= 24; + + /* The code runs from OneNAND RAM, copy SPL to SRAM and execute it. */ + if (tmp == 0) { + tmp = (uint32_t)&_end - CONFIG_SPL_TEXT_BASE; + onenand_spl_load_image(0, tmp, (void *)CONFIG_SPL_TEXT_BASE); + asm volatile("mov pc, %0" : : "r"(CONFIG_SPL_TEXT_BASE)); + } + + /* Hereby, the code runs from (S)RAM, copy U-Boot and execute it. */ + arch_cpu_init(); + pxa_dram_init(); + onenand_spl_load_image(CONFIG_SPL_ONENAND_LOAD_ADDR, + CONFIG_SPL_ONENAND_LOAD_SIZE, + (void *)CONFIG_SYS_TEXT_BASE); + asm volatile("mov pc, %0" : : "r"(CONFIG_SYS_TEXT_BASE)); + + for (;;) + ; +} + +void __attribute__((noreturn)) hang(void) +{ + for (;;) + ; +} + +void icache_disable(void) {} +void dcache_disable(void) {} diff --git a/board/vpac270/u-boot-spl.lds b/board/vpac270/u-boot-spl.lds new file mode 100644 index 0000000..1958c2f --- /dev/null +++ b/board/vpac270/u-boot-spl.lds @@ -0,0 +1,92 @@ +/* + * Copyright (C) 2011 Marek Vasut marek.vasut@gmail.com + * on behalf of DENX Software Engineering GmbH + * + * January 2004 - Changed to support H4 device + * Copyright (c) 2004-2008 Texas Instruments + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, garyj@denx.de + * + * 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 +{ + . = CONFIG_SPL_TEXT_BASE; + .text.0 : + { + arch/arm/cpu/pxa/start.o (.text*) + board/vpac270/libvpac270.o (.text*) + drivers/mtd/onenand/libonenand.o (.text*) + } + + + /* Start of the rest of the SPL */ + . = CONFIG_SPL_TEXT_BASE + 0x800; + + .text.1 : + { + *(.text*) + } + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } + + . = ALIGN(4); + .data : { + *(.data) + } + + . = ALIGN(4); + + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } + + . = ALIGN(0x800); + + _end = .; + + .bss __rel_dyn_start (OVERLAY) : { + __bss_start = .; + *(.bss) + . = ALIGN(4); + __bss_end__ = .; + } + + /DISCARD/ : { *(.bss*) } + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynsym*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.hash*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } +} diff --git a/board/vpac270/vpac270.c b/board/vpac270/vpac270.c index cf8e7b6..d90a859 100644 --- a/board/vpac270/vpac270.c +++ b/board/vpac270/vpac270.c @@ -57,7 +57,9 @@ struct serial_device *default_serial_console(void) extern void pxa_dram_init(void); int dram_init(void) { +#ifndef CONFIG_ONENAND pxa_dram_init(); +#endif gd->ram_size = PHYS_SDRAM_1_SIZE; return 0; } diff --git a/include/configs/vpac270.h b/include/configs/vpac270.h index dd68c66..8accebf 100644 --- a/include/configs/vpac270.h +++ b/include/configs/vpac270.h @@ -27,7 +27,17 @@ */ #define CONFIG_PXA27X 1 /* Marvell PXA270 CPU */ #define CONFIG_VPAC270 1 /* Voipac PXA270 board */ -#define CONFIG_SYS_TEXT_BASE 0x0 +#define CONFIG_SYS_TEXT_BASE 0xa0000000 + +#ifdef CONFIG_ONENAND +#define CONFIG_SPL +#define CONFIG_SPL_ONENAND_SUPPORT +#define CONFIG_SPL_ONENAND_LOAD_ADDR 0x2000 +#define CONFIG_SPL_ONENAND_LOAD_SIZE \ + (512 * 1024 - CONFIG_SPL_ONENAND_LOAD_ADDR) +#define CONFIG_SPL_TEXT_BASE 0x5c000000 +#define CONFIG_SPL_LDSCRIPT "board/vpac270/u-boot-spl.lds" +#endif
/* * Environment settings @@ -46,12 +56,19 @@ "bootm 0xa4000000; " \ "fi; " \ "bootm 0x60000;" + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "update_onenand=" \ + "onenand erase 0x0 0x80000 ; " \ + "onenand write 0xa0000000 0x0 0x80000" + #define CONFIG_BOOTARGS "console=tty0 console=ttyS0,115200" #define CONFIG_TIMESTAMP #define CONFIG_BOOTDELAY 2 /* Autoboot delay */ #define CONFIG_CMDLINE_TAG #define CONFIG_SETUP_MEMORY_TAGS #define CONFIG_LZMA /* LZMA compression support */ +#define CONFIG_OF_LIBFDT
/* * Serial Console Configuration @@ -180,16 +197,14 @@ #define CONFIG_SYS_MEMTEST_END 0xa0800000 /* 4 ... 8 MB in DRAM */
#define CONFIG_SYS_LOAD_ADDR PHYS_SDRAM_1 -#define CONFIG_SYS_IPL_LOAD_ADDR (0x5c000000) #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 -#define CONFIG_SYS_INIT_SP_ADDR \ - (PHYS_SDRAM_1 + GENERATED_GBL_DATA_SIZE + 2048) +#define CONFIG_SYS_INIT_SP_ADDR 0x5c010000
/* * NOR FLASH */ #define CONFIG_SYS_MONITOR_BASE 0x0 -#define CONFIG_SYS_MONITOR_LEN 0x40000 +#define CONFIG_SYS_MONITOR_LEN 0x80000 #define CONFIG_ENV_ADDR \ (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) #define CONFIG_ENV_SIZE 0x4000