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 16*fc8fdc76SSimon Glass #ifndef CONFIG_DM 176507f133STom Rini /* Pointer to as well as the global data structure for SPL */ 186507f133STom Rini DECLARE_GLOBAL_DATA_PTR; 19480ca13eSSimon Glass 20480ca13eSSimon Glass /* 21480ca13eSSimon Glass * WARNING: This is going away very soon. Don't use it and don't submit 22480ca13eSSimon Glass * pafches that rely on it. The global_data area is set up in crt0.S. 23480ca13eSSimon Glass */ 246507f133STom Rini gd_t gdata __attribute__ ((section(".data"))); 25*fc8fdc76SSimon Glass #endif 266507f133STom Rini 276507f133STom Rini /* 286507f133STom Rini * In the context of SPL, board_init_f must ensure that any clocks/etc for 296507f133STom Rini * DDR are enabled, ensure that the stack pointer is valid, clear the BSS 306507f133STom Rini * and call board_init_f. We provide this version by default but mark it 316507f133STom Rini * as __weak to allow for platforms to do this in their own way if needed. 326507f133STom Rini */ 336507f133STom Rini void __weak board_init_f(ulong dummy) 346507f133STom Rini { 356507f133STom Rini /* Clear the BSS. */ 363929fb0aSSimon Glass memset(__bss_start, 0, __bss_end - __bss_start); 376507f133STom Rini 38*fc8fdc76SSimon Glass #ifndef CONFIG_DM 39480ca13eSSimon Glass /* TODO: Remove settings of the global data pointer here */ 401ee30aeeSTom Rini gd = &gdata; 41*fc8fdc76SSimon Glass #endif 421ee30aeeSTom Rini 436507f133STom Rini board_init_r(NULL, 0); 446507f133STom Rini } 456507f133STom Rini 466507f133STom Rini /* 476507f133STom Rini * This function jumps to an image with argument. Normally an FDT or ATAGS 486507f133STom Rini * image. 496507f133STom Rini * arg: Pointer to paramter image in RAM 506507f133STom Rini */ 516507f133STom Rini #ifdef CONFIG_SPL_OS_BOOT 526507f133STom Rini void __noreturn jump_to_image_linux(void *arg) 536507f133STom Rini { 54ec101fdbSTom Rini unsigned long machid = 0xffffffff; 55ec101fdbSTom Rini #ifdef CONFIG_MACH_TYPE 56ec101fdbSTom Rini machid = CONFIG_MACH_TYPE; 57ec101fdbSTom Rini #endif 58ec101fdbSTom Rini 596507f133STom Rini debug("Entering kernel arg pointer: 0x%p\n", arg); 606507f133STom Rini typedef void (*image_entry_arg_t)(int, int, void *) 616507f133STom Rini __attribute__ ((noreturn)); 626507f133STom Rini image_entry_arg_t image_entry = 636507f133STom Rini (image_entry_arg_t) spl_image.entry_point; 646507f133STom Rini cleanup_before_linux(); 65ec101fdbSTom Rini image_entry(0, machid, arg); 666507f133STom Rini } 676507f133STom Rini #endif 68