diff mbox series

board: renesas: draak: Drop CA57 reset

Message ID 20200922085429.8211-1-biju.das.jz@bp.renesas.com
State Accepted
Commit 3ee840cce45a9d70b13cdc3f14f6b46b481db817
Delegated to: Marek Vasut
Headers show
Series board: renesas: draak: Drop CA57 reset | expand

Commit Message

Biju Das Sept. 22, 2020, 8:54 a.m. UTC 
Renesas Draak board based on R-Car D3 has single CA53.

This patch drops check for cputype from reset_cpu() and also drops the
corresponding CA57 macros. While at it also dropped RST_RSTOUTCR macro
which is unused.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
Ref[1]:https://www.renesas.com/us/en/solutions/automotive/soc/r-car-d3.html
---
 board/renesas/draak/draak.c | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

Comments

Marek Vasut Sept. 22, 2020, 1:13 p.m. UTC | #1 
On 9/22/20 10:54 AM, Biju Das wrote:
> Renesas Draak board based on R-Car D3 has single CA53.
> 
> This patch drops check for cputype from reset_cpu() and also drops the
> corresponding CA57 macros. While at it also dropped RST_RSTOUTCR macro
> which is unused.

Applied to sh/next, thanks
diff mbox series

Patch

diff --git a/board/renesas/draak/draak.c b/board/renesas/draak/draak.c
index 7d48cd1b11..9993f5bbe3 100644
--- a/board/renesas/draak/draak.c
+++ b/board/renesas/draak/draak.c
@@ -71,23 +71,10 @@  int board_init(void)
 }
 
 #define RST_BASE	0xE6160000
-#define RST_CA57RESCNT	(RST_BASE + 0x40)
 #define RST_CA53RESCNT	(RST_BASE + 0x44)
-#define RST_RSTOUTCR	(RST_BASE + 0x58)
-#define RST_CA57_CODE	0xA5A5000F
 #define RST_CA53_CODE	0x5A5A000F
 
 void reset_cpu(ulong addr)
 {
-	unsigned long midr, cputype;
-
-	asm volatile("mrs %0, midr_el1" : "=r" (midr));
-	cputype = (midr >> 4) & 0xfff;
-
-	if (cputype == 0xd03)
-		writel(RST_CA53_CODE, RST_CA53RESCNT);
-	else if (cputype == 0xd07)
-		writel(RST_CA57_CODE, RST_CA57RESCNT);
-	else
-		hang();
+	writel(RST_CA53_CODE, RST_CA53RESCNT);
 }