From: Simon Glass <sjg@chromium.org>
Date: Wed, 20 Sep 2023 03:00:05 +0000 (-0600)
Subject: x86: Set the CPU vendor in SPL
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=8ebca32b2d48d5e21e5c49c0dc03b10051b68ba6;p=u-boot.git

x86: Set the CPU vendor in SPL

We don't read this information in 64-bit mode, since we don't have the
macros for doing it. Set it to Intel by default. This allows the TSC timer
to work correctly.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---

diff --git a/arch/x86/cpu/x86_64/cpu.c b/arch/x86/cpu/x86_64/cpu.c
index d1c3873dd6..2647bff891 100644
--- a/arch/x86/cpu/x86_64/cpu.c
+++ b/arch/x86/cpu/x86_64/cpu.c
@@ -8,8 +8,11 @@
 #include <cpu_func.h>
 #include <debug_uart.h>
 #include <init.h>
+#include <asm/cpu.h>
 #include <asm/global_data.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 int cpu_has_64bit(void)
 {
 	return true;
@@ -38,6 +41,10 @@ int x86_mp_init(void)
 
 int x86_cpu_reinit_f(void)
 {
+	/* set the vendor to Intel so that native_calibrate_tsc() works */
+	gd->arch.x86_vendor = X86_VENDOR_INTEL;
+	gd->arch.has_mtrr = true;
+
 	return 0;
 }