From 4765d59fcf8679372286bc899628c3721dafe456 Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Fri, 17 Oct 2025 13:42:34 +0200 Subject: [PATCH] soc: renesas: rcar-rst: Keep RESBAR2S in default state Unlike Gen2, Gen4 has bit 15 of WDTRSTCR register also used. Keep it in the default state for the V3U firmware workaround. Signed-off-by: Wolfram Sang Reviewed-by: Geert Uytterhoeven Tested-by: Geert Uytterhoeven Link: https://patch.msgid.link/20251017114234.2968-2-wsa+renesas@sang-engineering.com Signed-off-by: Geert Uytterhoeven --- drivers/soc/renesas/rcar-rst.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/soc/renesas/rcar-rst.c b/drivers/soc/renesas/rcar-rst.c index 7ba02f3a4a4f..0541990901fc 100644 --- a/drivers/soc/renesas/rcar-rst.c +++ b/drivers/soc/renesas/rcar-rst.c @@ -12,6 +12,7 @@ #define WDTRSTCR_RESET 0xA55A0002 #define WDTRSTCR 0x0054 +#define GEN4_WDTRSTCR_RESET 0xA55A8002 #define GEN4_WDTRSTCR 0x0010 #define CR7BAR 0x0070 @@ -30,7 +31,7 @@ static int rcar_rst_enable_wdt_reset(void __iomem *base) static int rcar_rst_v3u_enable_wdt_reset(void __iomem *base) { - iowrite32(WDTRSTCR_RESET, base + GEN4_WDTRSTCR); + iowrite32(GEN4_WDTRSTCR_RESET, base + GEN4_WDTRSTCR); return 0; }