[PATCH] board: renesas: draak: Drop CA57 reset

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[PATCH] board: renesas: draak: Drop CA57 reset

Biju Das
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 <[hidden email]>
Reviewed-by: Lad Prabhakar <[hidden email]>
---
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(-)

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);
 }
--
2.17.1

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Re: [PATCH] board: renesas: draak: Drop CA57 reset

Marek Vasut
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