PXA: Adapt Voipac PXA270 to OneNAND SPL
Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> V2: Add missing u-boot-spl.lds, convert bitshifts to division, convert to spl_onenand_load_image()
This commit is contained in:
Marek Vasut
committed by
Albert ARIBAUD
Albert ARIBAUD
parent
496471df9e
commit
411b9eaf55
@@ -23,7 +23,11 @@ include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(BOARD).o
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ifndef CONFIG_SPL_BUILD
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COBJS := vpac270.o
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else
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COBJS := onenand.o
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endif
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SRCS := $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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66
board/vpac270/onenand.c
Normal file
66
board/vpac270/onenand.c
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@@ -0,0 +1,66 @@
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/*
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* Voipac PXA270 OneNAND SPL
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*
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* Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <config.h>
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#include <asm/io.h>
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#include <onenand_uboot.h>
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extern void pxa_dram_init(void);
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void board_init_f(unsigned long unused)
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{
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extern uint32_t _end;
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uint32_t tmp;
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asm volatile("mov %0, pc" : "=r"(tmp));
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tmp >>= 24;
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/* The code runs from OneNAND RAM, copy SPL to SRAM and execute it. */
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if (tmp == 0) {
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tmp = (uint32_t)&_end - CONFIG_SPL_TEXT_BASE;
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onenand_spl_load_image(0, tmp, (void *)CONFIG_SPL_TEXT_BASE);
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asm volatile("mov pc, %0" : : "r"(CONFIG_SPL_TEXT_BASE));
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}
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/* Hereby, the code runs from (S)RAM, copy U-Boot and execute it. */
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arch_cpu_init();
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pxa_dram_init();
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onenand_spl_load_image(CONFIG_SPL_ONENAND_LOAD_ADDR,
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CONFIG_SPL_ONENAND_LOAD_SIZE,
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(void *)CONFIG_SYS_TEXT_BASE);
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asm volatile("mov pc, %0" : : "r"(CONFIG_SYS_TEXT_BASE));
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for (;;)
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;
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}
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void __attribute__((noreturn)) hang(void)
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{
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for (;;)
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;
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}
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void icache_disable(void) {}
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void dcache_disable(void) {}
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92
board/vpac270/u-boot-spl.lds
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92
board/vpac270/u-boot-spl.lds
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@@ -0,0 +1,92 @@
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/*
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* Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
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* on behalf of DENX Software Engineering GmbH
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*
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* January 2004 - Changed to support H4 device
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* Copyright (c) 2004-2008 Texas Instruments
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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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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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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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. = CONFIG_SPL_TEXT_BASE;
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.text.0 :
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{
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arch/arm/cpu/pxa/start.o (.text*)
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board/vpac270/libvpac270.o (.text*)
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drivers/mtd/onenand/libonenand.o (.text*)
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}
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/* Start of the rest of the SPL */
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. = CONFIG_SPL_TEXT_BASE + 0x800;
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.text.1 :
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{
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*(.text*)
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}
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. = ALIGN(4);
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.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
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. = ALIGN(4);
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.data : {
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*(.data)
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}
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. = ALIGN(4);
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.rel.dyn : {
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__rel_dyn_start = .;
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*(.rel*)
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__rel_dyn_end = .;
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}
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.dynsym : {
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__dynsym_start = .;
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*(.dynsym)
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}
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. = ALIGN(0x800);
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_end = .;
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.bss __rel_dyn_start (OVERLAY) : {
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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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}
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/DISCARD/ : { *(.bss*) }
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/DISCARD/ : { *(.dynstr*) }
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/DISCARD/ : { *(.dynsym*) }
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/DISCARD/ : { *(.dynamic*) }
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/DISCARD/ : { *(.hash*) }
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/DISCARD/ : { *(.plt*) }
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/DISCARD/ : { *(.interp*) }
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/DISCARD/ : { *(.gnu*) }
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}
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@@ -57,7 +57,9 @@ struct serial_device *default_serial_console(void)
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extern void pxa_dram_init(void);
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int dram_init(void)
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{
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#ifndef CONFIG_ONENAND
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pxa_dram_init();
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#endif
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gd->ram_size = PHYS_SDRAM_1_SIZE;
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return 0;
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}
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