16507f133STom Rini /* 26507f133STom Rini * (C) Copyright 2010-2012 36507f133STom Rini * Texas Instruments, <www.ti.com> 46507f133STom Rini * 56507f133STom Rini * Aneesh V <aneesh@ti.com> 66507f133STom Rini * Tom Rini <trini@ti.com> 76507f133STom Rini * 81a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 96507f133STom Rini */ 106507f133STom Rini #include <common.h> 116507f133STom Rini #include <config.h> 126507f133STom Rini #include <spl.h> 136507f133STom Rini #include <image.h> 146507f133STom Rini #include <linux/compiler.h> 156507f133STom Rini 166507f133STom Rini /* Pointer to as well as the global data structure for SPL */ 176507f133STom Rini DECLARE_GLOBAL_DATA_PTR; 186507f133STom Rini gd_t gdata __attribute__ ((section(".data"))); 196507f133STom Rini 206507f133STom Rini /* 216507f133STom Rini * In the context of SPL, board_init_f must ensure that any clocks/etc for 226507f133STom Rini * DDR are enabled, ensure that the stack pointer is valid, clear the BSS 236507f133STom Rini * and call board_init_f. We provide this version by default but mark it 246507f133STom Rini * as __weak to allow for platforms to do this in their own way if needed. 256507f133STom Rini */ 266507f133STom Rini void __weak board_init_f(ulong dummy) 276507f133STom Rini { 286507f133STom Rini /* Clear the BSS. */ 293929fb0aSSimon Glass memset(__bss_start, 0, __bss_end - __bss_start); 306507f133STom Rini 31*1ee30aeeSTom Rini /* Set global data pointer. */ 32*1ee30aeeSTom Rini gd = &gdata; 33*1ee30aeeSTom Rini 346507f133STom Rini board_init_r(NULL, 0); 356507f133STom Rini } 366507f133STom Rini 376507f133STom Rini /* 386507f133STom Rini * This function jumps to an image with argument. Normally an FDT or ATAGS 396507f133STom Rini * image. 406507f133STom Rini * arg: Pointer to paramter image in RAM 416507f133STom Rini */ 426507f133STom Rini #ifdef CONFIG_SPL_OS_BOOT 436507f133STom Rini void __noreturn jump_to_image_linux(void *arg) 446507f133STom Rini { 45ec101fdbSTom Rini unsigned long machid = 0xffffffff; 46ec101fdbSTom Rini #ifdef CONFIG_MACH_TYPE 47ec101fdbSTom Rini machid = CONFIG_MACH_TYPE; 48ec101fdbSTom Rini #endif 49ec101fdbSTom Rini 506507f133STom Rini debug("Entering kernel arg pointer: 0x%p\n", arg); 516507f133STom Rini typedef void (*image_entry_arg_t)(int, int, void *) 526507f133STom Rini __attribute__ ((noreturn)); 536507f133STom Rini image_entry_arg_t image_entry = 546507f133STom Rini (image_entry_arg_t) spl_image.entry_point; 556507f133STom Rini cleanup_before_linux(); 56ec101fdbSTom Rini image_entry(0, machid, arg); 576507f133STom Rini } 586507f133STom Rini #endif 59