From 411b9eaf554225c12ca253473002d0381cfec4ff Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Mon, 31 Oct 2011 14:17:21 +0100 Subject: PXA: Adapt Voipac PXA270 to OneNAND SPL Signed-off-by: Marek Vasut Cc: Albert ARIBAUD V2: Add missing u-boot-spl.lds, convert bitshifts to division, convert to spl_onenand_load_image() --- board/vpac270/onenand.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 board/vpac270/onenand.c (limited to 'board/vpac270/onenand.c') 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 + * + * 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 +#include +#include +#include + +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) {} -- cgit v1.1