[PATCH 3/3] arm64: renesas: Convert boards over to is_cortex_a() functions

[Marek Vasut]

Use generic is_cortex_a() functions instead of open-coded midr_el1 read.
No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
---
Cc: Biju Das <biju.das.jz at bp.renesas.com>
Cc: Chris Paterson <chris.paterson2 at renesas.com>
Cc: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
Cc: Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
Cc: Paul Barker <paul.barker.ct at bp.renesas.com>
Cc: Tom Rini <trini at konsulko.com>
Cc: u-boot at lists.denx.de
---
 board/hoperun/hihope-rzg2/hihope-rzg2.c |  8 ++------
 board/renesas/rcar-common/common.c      | 10 +++-------
 2 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/board/hoperun/hihope-rzg2/hihope-rzg2.c b/board/hoperun/hihope-rzg2/hihope-rzg2.c
index 8b635ef71ac..d2c5aaacf66 100644
--- a/board/hoperun/hihope-rzg2/hihope-rzg2.c
+++ b/board/hoperun/hihope-rzg2/hihope-rzg2.c
@@ -6,6 +6,7 @@
  * Copyright (C) 2021 Renesas Electronics Corporation
  */
 
+#include <asm/armv8/cpu.h>
 #include <asm/global_data.h>
 #include <asm/io.h>
 #include <asm/processor.h>
@@ -66,12 +67,7 @@ int board_init(void)
 
 void reset_cpu(void)
 {
-	unsigned long midr, cputype;
-
-	asm volatile("mrs %0, midr_el1" : "=r" (midr));
-	cputype = (midr >> 4) & 0xfff;
-
-	if (cputype == 0xd03)
+	if (is_cortex_a53())
 		writel(RST_CA53_CODE, RST_CA53RESCNT);
 	else
 		writel(RST_CA57_CODE, RST_CA57RESCNT);
diff --git a/board/renesas/rcar-common/common.c b/board/renesas/rcar-common/common.c
index 499c31408f6..75f9aab9163 100644
--- a/board/renesas/rcar-common/common.c
+++ b/board/renesas/rcar-common/common.c
@@ -7,6 +7,7 @@
  * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
  */
 
+#include <asm/armv8/cpu.h>
 #include <dm.h>
 #include <fdt_support.h>
 #include <hang.h>
@@ -68,14 +69,9 @@ int __weak board_init(void)
 
 void __weak reset_cpu(void)
 {
-	unsigned long midr, cputype;
-
-	asm volatile("mrs %0, midr_el1" : "=r" (midr));
-	cputype = (midr >> 4) & 0xfff;
-
-	if (cputype == 0xd03)
+	if (is_cortex_a53())
 		writel(RST_CA53_CODE, RST_CA53RESCNT);
-	else if (cputype == 0xd07)
+	else if (is_cortex_a57())
 		writel(RST_CA57_CODE, RST_CA57RESCNT);
 	else
 		hang();
-- 
2.45.2