X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=arch%2Fx86%2Flib%2Finit_helpers.c;h=0481f453ca62571d183ece437340584de78f3c59;hb=83d290c56fab2d38cd1ab4c4cc7099559c1d5046;hp=be4eb12c53c0e5f12dbe3af235a10d0fdf6b9392;hpb=85bafb6da4dddfffa78479aa49a72ae48578a4ce;p=platform%2Fkernel%2Fu-boot.git

diff --git a/arch/x86/lib/init_helpers.c b/arch/x86/lib/init_helpers.c
index be4eb12..0481f45 100644
--- a/arch/x86/lib/init_helpers.c
+++ b/arch/x86/lib/init_helpers.c
@@ -1,13 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2011
  * Graeme Russ, <graeme.russ@gmail.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
+
 #include <common.h>
-#include <fdtdec.h>
-#include <spi.h>
-#include <asm/sections.h>
+#include <linux/errno.h>
+#include <asm/mtrr.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -17,73 +16,16 @@ __weak ulong board_get_usable_ram_top(ulong total_size)
 	return gd->ram_size;
 }
 
-int calculate_relocation_address(void)
+int init_cache_f_r(void)
 {
-	const ulong uboot_size = (uintptr_t)&__bss_end -
-			(uintptr_t)&__text_start;
-	ulong total_size;
-	ulong dest_addr;
-	ulong fdt_size = 0;
-
-#if defined(CONFIG_OF_SEPARATE) && defined(CONFIG_OF_CONTROL)
-	if (gd->fdt_blob)
-		fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32);
-#endif
-	total_size = ALIGN(uboot_size, 1 << 12) + CONFIG_SYS_MALLOC_LEN +
-		CONFIG_SYS_STACK_SIZE + fdt_size;
-
-	dest_addr = board_get_usable_ram_top(total_size);
-	/*
-	 * NOTE: All destination address are rounded down to 16-byte
-	 *       boundary to satisfy various worst-case alignment
-	 *       requirements
-	 */
-	dest_addr &= ~15;
+#if CONFIG_IS_ENABLED(X86_32BIT_INIT) && !defined(CONFIG_HAVE_FSP)
+	int ret;
 
-#if defined(CONFIG_OF_SEPARATE) && defined(CONFIG_OF_CONTROL)
-	/*
-	 * If the device tree is sitting immediate above our image then we
-	 * must relocate it. If it is embedded in the data section, then it
-	 * will be relocated with other data.
-	 */
-	if (gd->fdt_blob) {
-		dest_addr -= fdt_size;
-		gd->new_fdt = (void *)dest_addr;
-		dest_addr &= ~15;
-	}
+	ret = mtrr_commit(false);
+	/* If MTRR MSR is not implemented by the processor, just ignore it */
+	if (ret && ret != -ENOSYS)
+		return ret;
 #endif
-	/* U-Boot is below the FDT */
-	dest_addr -= uboot_size;
-	dest_addr &= ~((1 << 12) - 1);
-	gd->relocaddr = dest_addr;
-	gd->reloc_off = dest_addr - (uintptr_t)&__text_start;
-
-	/* Stack is at the bottom, so it can grow down */
-	gd->start_addr_sp = dest_addr - CONFIG_SYS_MALLOC_LEN;
-
-	return 0;
-}
-
-int init_cache_f_r(void)
-{
 	/* Initialise the CPU cache(s) */
 	return init_cache();
 }
-
-bd_t bd_data;
-
-int init_bd_struct_r(void)
-{
-	gd->bd = &bd_data;
-	memset(gd->bd, 0, sizeof(bd_t));
-
-	return 0;
-}
-
-int init_func_spi(void)
-{
-	puts("SPI:   ");
-	spi_init();
-	puts("ready\n");
-	return 0;
-}