From 98a48c5de545e5a5eedba0a868024ef0d4ae5347 Mon Sep 17 00:00:00 2001 From: Chander Kashyap Date: Thu, 18 Aug 2011 22:37:20 +0000 Subject: ORIGEN: Add MMC SPL support Adds mmc boot support. Signed-off-by: Chander Kashyap Signed-off-by: Minkyu Kang --- board/samsung/origen/mmc_boot.c | 58 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 board/samsung/origen/mmc_boot.c (limited to 'board/samsung/origen/mmc_boot.c') diff --git a/board/samsung/origen/mmc_boot.c b/board/samsung/origen/mmc_boot.c new file mode 100644 index 0000000..072f161 --- /dev/null +++ b/board/samsung/origen/mmc_boot.c @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2011 Samsung Electronics + * + * 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 + +/* +* Copy U-boot from mmc to RAM: +* COPY_BL2_FNPTR_ADDR: Address in iRAM, which Contains +* Pointer to API (Data transfer from mmc to ram) +*/ +void copy_uboot_to_ram(void) +{ + u32 (*copy_bl2)(u32, u32, u32) = (void *) *(u32 *)COPY_BL2_FNPTR_ADDR; + + copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT, CONFIG_SYS_TEXT_BASE); +} + +void board_init_f(unsigned long bootflag) +{ + __attribute__((noreturn)) void (*uboot)(void); + copy_uboot_to_ram(); + + /* Jump to U-Boot image */ + uboot = (void *)CONFIG_SYS_TEXT_BASE; + (*uboot)(); + /* Never returns Here */ +} + +/* Place Holders */ +void board_init_r(gd_t *id, ulong dest_addr) +{ + /* Function attribute is no-return */ + /* This Function never executes */ + while (1) + ; +} + +void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3) {} -- cgit v1.1