| /* |
| * (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_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_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 |
