1 /* 2 * (C) Copyright 2016 Google, Inc 3 * Written by Simon Glass <sjg@chromium.org> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <debug_uart.h> 10 11 DECLARE_GLOBAL_DATA_PTR; 12 13 /* Global declaration of gd */ 14 struct global_data *global_data_ptr; 15 16 void arch_setup_gd(gd_t *new_gd) 17 { 18 global_data_ptr = new_gd; 19 20 /* 21 * TODO(sjg@chromium.org): For some reason U-Boot does not boot 22 * without this line. It fails to start up U-Boot proper and instead 23 * restarts SPL. Need to figure out why: 24 * 25 * U-Boot SPL 2017.01 26 * 27 * U-Boot SPL 2017.01 28 * CPU: Intel(R) Core(TM) i5-3427U CPU @ 1.80GHz 29 * Trying to boot from SPIJumping to 64-bit U-Boot: Note many 30 * features are missing 31 * 32 * U-Boot SPL 2017.01 33 */ 34 #ifdef CONFIG_DEBUG_UART 35 printch(' '); 36 #endif 37 } 38 39 int cpu_has_64bit(void) 40 { 41 return true; 42 } 43 44 void enable_caches(void) 45 { 46 /* Not implemented */ 47 } 48 49 void disable_caches(void) 50 { 51 /* Not implemented */ 52 } 53 54 int dcache_status(void) 55 { 56 return true; 57 } 58 59 int x86_mp_init(void) 60 { 61 /* Not implemented */ 62 return 0; 63 } 64 65 int misc_init_r(void) 66 { 67 return 0; 68 } 69 70 int checkcpu(void) 71 { 72 return 0; 73 } 74 75 int print_cpuinfo(void) 76 { 77 return 0; 78 } 79