mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-27 15:12:21 +00:00
b5d92ba1ad
We now have the CONFIG_SPL_DM for code within SPL to toggle caring about DM or not. Without this change platforms that do enable CONFIG_DM but not CONFIG_SPL_DM may be broken (such as OMAP5). Cc: Albert Aribaud <albert.u.boot@aribaud.net> Signed-off-by: Tom Rini <trini@konsulko.com>
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
|
|
* (C) Copyright 2010-2012
|
|
* Texas Instruments, <www.ti.com>
|
|
*
|
|
* Aneesh V <aneesh@ti.com>
|
|
* Tom Rini <trini@ti.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
#include <common.h>
|
|
#include <config.h>
|
|
#include <spl.h>
|
|
#include <image.h>
|
|
#include <linux/compiler.h>
|
|
|
|
#ifndef CONFIG_SPL_DM
|
|
/* Pointer to as well as the global data structure for SPL */
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/*
|
|
* WARNING: This is going away very soon. Don't use it and don't submit
|
|
* pafches that rely on it. The global_data area is set up in crt0.S.
|
|
*/
|
|
gd_t gdata __attribute__ ((section(".data")));
|
|
#endif
|
|
|
|
/*
|
|
* In the context of SPL, board_init_f must ensure that any clocks/etc for
|
|
* DDR are enabled, ensure that the stack pointer is valid, clear the BSS
|
|
* and call board_init_f. We provide this version by default but mark it
|
|
* as __weak to allow for platforms to do this in their own way if needed.
|
|
*/
|
|
void __weak board_init_f(ulong dummy)
|
|
{
|
|
/* Clear the BSS. */
|
|
memset(__bss_start, 0, __bss_end - __bss_start);
|
|
|
|
#ifndef CONFIG_SPL_DM
|
|
/* TODO: Remove settings of the global data pointer here */
|
|
gd = &gdata;
|
|
#endif
|
|
|
|
board_init_r(NULL, 0);
|
|
}
|
|
|
|
/*
|
|
* This function jumps to an image with argument. Normally an FDT or ATAGS
|
|
* image.
|
|
* arg: Pointer to paramter image in RAM
|
|
*/
|
|
#ifdef CONFIG_SPL_OS_BOOT
|
|
void __noreturn jump_to_image_linux(void *arg)
|
|
{
|
|
unsigned long machid = 0xffffffff;
|
|
#ifdef CONFIG_MACH_TYPE
|
|
machid = CONFIG_MACH_TYPE;
|
|
#endif
|
|
|
|
debug("Entering kernel arg pointer: 0x%p\n", arg);
|
|
typedef void (*image_entry_arg_t)(int, int, void *)
|
|
__attribute__ ((noreturn));
|
|
image_entry_arg_t image_entry =
|
|
(image_entry_arg_t) spl_image.entry_point;
|
|
cleanup_before_linux();
|
|
image_entry(0, machid, arg);
|
|
}
|
|
#endif
|