1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * (C) Copyright 2016 Google, Inc 4 * Written by Simon Glass <sjg@chromium.org> 5 */ 6 7#include <common.h> 8#include <bloblist.h> 9#include <cpu_func.h> 10#include <debug_uart.h> 11#include <handoff.h> 12#include <init.h> 13#include <log.h> 14#include <asm/global_data.h> 15#include <asm/mtrr.h> 16 17int misc_init_r(void) 18{ 19 return 0; 20} 21 22int dram_init(void) 23{ 24 struct spl_handoff *ho; 25 26 ho = bloblist_find(BLOBLISTT_U_BOOT_SPL_HANDOFF, sizeof(*ho)); 27 if (!ho) 28 return log_msg_ret("Missing SPL hand-off info", -ENOENT); 29 handoff_load_dram_size(ho); 30#ifdef CONFIG_TPL 31 /* TODO(sjg@chromium.org): MTRR cannot be adjusted without a hang */ 32 mtrr_add_request(MTRR_TYPE_WRBACK, 0, 2ULL << 30); 33#else 34 mtrr_add_request(MTRR_TYPE_WRBACK, 0, gd->ram_size); 35 mtrr_commit(true); 36#endif 37 38 return 0; 39} 40 41int checkcpu(void) 42{ 43 return 0; 44} 45 46int print_cpuinfo(void) 47{ 48 return 0; 49} 50 51void board_debug_uart_init(void) 52{ 53} 54 55int dram_init_banksize(void) 56{ 57 struct spl_handoff *ho; 58 59 ho = bloblist_find(BLOBLISTT_U_BOOT_SPL_HANDOFF, sizeof(*ho)); 60 if (!ho) 61 return log_msg_ret("Missing SPL hand-off info", -ENOENT); 62 handoff_load_dram_banks(ho); 63 64 return 0; 65} 66