[PATCH v3 04/19] x86: Set the CPU vendor in SPL
Simon Glass
sjg at chromium.org
Sat Aug 19 23:22:42 CEST 2023
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 at chromium.org>
---
(no changes since v1)
arch/x86/cpu/x86_64/cpu.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/x86/cpu/x86_64/cpu.c b/arch/x86/cpu/x86_64/cpu.c
index d1c3873dd6a7..2647bff891f8 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;
}
--
2.42.0.rc1.204.g551eb34607-goog
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