Change in coreboot[master]: cpu/intel/car/p4: Add x86_64 support

[Arthur Heymans (Code Review)]

Arthur Heymans has submitted this change. ( https://review.coreboot.org/c/coreboot/+/56021 )

Change subject: cpu/intel/car/p4: Add x86_64 support
......................................................................

cpu/intel/car/p4: Add x86_64 support

Change-Id: I77516e3cd5f0d3b7442be660c005a65b00454343
Signed-off-by: Arthur Heymans 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56021
Tested-by: build bot (Jenkins) 
Reviewed-by: Patrick Rudolph 
---
M src/cpu/intel/car/p4-netburst/cache_as_ram.S
1 file changed, 11 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Patrick Rudolph: Looks good to me, approved

diff --git a/src/cpu/intel/car/p4-netburst/cache_as_ram.S b/src/cpu/intel/car/p4-netburst/cache_as_ram.S
index 71ec9e3..9ac9e22 100644
--- a/src/cpu/intel/car/p4-netburst/cache_as_ram.S
+++ b/src/cpu/intel/car/p4-netburst/cache_as_ram.S
@@ -359,6 +359,16 @@
    andl	$0xfffffff0, %esp
    subl	$4, %esp

+#if ENV_X86_64
+	#include <cpu/x86/64bit/entry64.inc>
+
+	movd	%mm2, %rdi
+	shlq	$32, %rdi	/* BIST */
+	movd	%mm1, %rsi
+	or	%rsi, %rdi	/* tsc[63:32] */
+	movd	%mm0, %rsi	/* tsc[31:0] */
+
+#else
    /* push TSC and BIST to stack */
    movd	%mm0, %eax
    pushl	%eax	/* BIST */
@@ -366,6 +376,7 @@
    pushl	%eax	/* tsc[63:32] */
    movd	%mm1, %eax
    pushl	%eax	/* tsc[31:0] */
+#endif

before_c_entry:
    post_code(0x2f)