SPDX: Convert all of our single license tags to Linux Kernel style

[platform/kernel/u-boot.git] / arch / x86 / lib / init_helpers.c

diff --git a/arch/x86/lib/init_helpers.c b/arch/x86/lib/init_helpers.c
index 87c7263..0481f45 100644 (file)
--- a/arch/x86/lib/init_helpers.c
+++ b/arch/x86/lib/init_helpers.c
@@ -1,162 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2011
  * Graeme Russ, <graeme.russ@gmail.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
  */
-#include <common.h>
-#include <command.h>
-#include <stdio_dev.h>
-#include <version.h>
-#include <malloc.h>
-#include <net.h>
-#include <ide.h>
-#include <serial.h>
-#include <status_led.h>
-#include <asm/processor.h>
-#include <asm/u-boot-x86.h>
 
-#include <asm/init_helpers.h>
+#include <common.h>
+#include <linux/errno.h>
+#include <asm/mtrr.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-/************************************************************************
- * Init Utilities                                                      *
- ************************************************************************
- * Some of this code should be moved into the core functions,
- * or dropped completely,
- * but let's get it working (again) first...
- */
-
-int display_banner(void)
-{
-       printf("\n\n%s\n\n", version_string);
-
-       return 0;
-}
-
-int display_dram_config(void)
-{
-       int i;
-
-       puts("DRAM Configuration:\n");
-
-       for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
-               printf("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
-               print_size(gd->bd->bi_dram[i].size, "\n");
-       }
-
-       return 0;
-}
-
-int init_baudrate_f(void)
+/* Get the top of usable RAM */
+__weak ulong board_get_usable_ram_top(ulong total_size)
 {
-       gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
-       return 0;
-}
-
-int calculate_relocation_address(void)
-{
-       ulong text_start = (ulong)&__text_start;
-       ulong bss_end = (ulong)&__bss_end;
-       ulong dest_addr;
-
-       /*
-        * NOTE: All destination address are rounded down to 16-byte
-        *       boundary to satisfy various worst-case alignment
-        *       requirements
-        */
-
-       /* Stack is at top of available memory */
-       dest_addr = gd->ram_size;
-       gd->start_addr_sp = dest_addr;
-
-       /* U-Boot is below the stack */
-       dest_addr -= CONFIG_SYS_STACK_SIZE;
-       dest_addr -= (bss_end - text_start);
-       dest_addr &= ~15;
-       gd->relocaddr = dest_addr;
-       gd->reloc_off = (dest_addr - text_start);
-
-       return 0;
+       return gd->ram_size;
 }
 
 int init_cache_f_r(void)
 {
-       /* Initialise the CPU cache(s) */
-       return init_cache();
-}
+#if CONFIG_IS_ENABLED(X86_32BIT_INIT) && !defined(CONFIG_HAVE_FSP)
+       int ret;
 
-int set_reloc_flag_r(void)
-{
-       gd->flags = GD_FLG_RELOC;
-
-       return 0;
-}
-
-int mem_malloc_init_r(void)
-{
-       mem_malloc_init(((gd->relocaddr - CONFIG_SYS_MALLOC_LEN)+3)&~3,
-                       CONFIG_SYS_MALLOC_LEN);
-
-       return 0;
-}
-
-bd_t bd_data;
-
-int init_bd_struct_r(void)
-{
-       gd->bd = &bd_data;
-       memset(gd->bd, 0, sizeof(bd_t));
-
-       return 0;
-}
-
-#ifndef CONFIG_SYS_NO_FLASH
-int flash_init_r(void)
-{
-       ulong size;
-
-       puts("Flash: ");
-
-       /* configure available FLASH banks */
-       size = flash_init();
-
-       print_size(size, "\n");
-
-       return 0;
-}
+       ret = mtrr_commit(false);
+       /* If MTRR MSR is not implemented by the processor, just ignore it */
+       if (ret && ret != -ENOSYS)
+               return ret;
 #endif
-
-#ifdef CONFIG_STATUS_LED
-int status_led_set_r(void)
-{
-       status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
-
-       return 0;
-}
-#endif
-
-int set_load_addr_r(void)
-{
-       /* Initialize from environment */
-       load_addr = getenv_ulong("loadaddr", 16, load_addr);
-
-       return 0;
+       /* Initialise the CPU cache(s) */
+       return init_cache();
 }