u-boot/mmc_spl/board/samsung/smdkv310/mmc_boot.c
Chander Kashyap beb7f27a0d SMDKV310: MMC SPL: Remove unwanted dummy functions
Removed dummy functions in "mmc_spl/board/samsung/smdkv310/mmc_boot.c",
@mmc_boot.c
void do_undefined_instruction(struct pt_regs *pt_regs);
void do_software_interrupt(struct pt_regs *pt_regs);
void do_prefetch_abort(struct pt_regs *pt_regs);
void do_data_abort(struct pt_regs *pt_regs);
void do_not_used(struct pt_regs *pt_regs);
void do_fiq(struct pt_regs *pt_regs);
void do_irq(struct pt_regs *pt_regs);

not required as called conditionally in start.S
@start.S
\#ifdef CONFIG_SPL_BUILD
_undefined_instruction: .word _undefined_instruction
_software_interrupt:    .word _software_interrupt
_prefetch_abort:        .word _prefetch_abort
_data_abort:            .word _data_abort
_not_used:              .word _not_used
_irq:                   .word _irq
_fiq:                   .word _fiq
_pad:                   .word 0x12345678 /* now 16*4=64 */
\#else
_undefined_instruction: .word undefined_instruction
_software_interrupt:    .word software_interrupt
_prefetch_abort:        .word prefetch_abort
_data_abort:            .word data_abort
_not_used:              .word not_used
_irq:                   .word irq
_fiq:                   .word fiq
_pad:                   .word 0x12345678 /* now 16*4=64 */
\#endif
e.g.
undefined_instruction:
	get_bad_stack
	bad_save_user_regs
	bl      do_undefined_instruction

Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
2011-09-03 22:40:47 +02:00

59 lines
1.6 KiB
C

/*
* 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<common.h>
#include<config.h>
typedef u32(*copy_sd_mmc_to_mem) \
(u32 start_block, u32 block_count, u32 *dest_addr);
void copy_uboot_to_ram(void)
{
copy_sd_mmc_to_mem copy_bl2 = (copy_sd_mmc_to_mem)(0x00002488);
copy_bl2(BL2_START_OFFSET,\
BL2_SIZE_BLOC_COUNT, (u32 *)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)
{
}