From: Alif Zakuan Yuslaimi Date: Tue, 18 Feb 2025 08:34:51 +0000 (+0800) Subject: arm: socfpga: agilex5: Add warm reset mask for Agilex5 X-Git-Tag: v2025.07-rc1~18^2~78^2~20 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9288e0b44652c6d2dedfe65cdce5bbf062baa29f;p=pandora-u-boot.git arm: socfpga: agilex5: Add warm reset mask for Agilex5 There are 5 L4 watchdogs and one SDM triggered warm reset bit in Agilex5 reset manager "stat" register where bit 16:20 for L4 watchdogs. Assigning value 1 to these bits in the register address will initiate SDM to trigger warm reset. Introducing new warm reset mask for Agilex5 to trigger warm reset to all five L4 watchdogs. Signed-off-by: Tien Fong Chee Signed-off-by: Alif Zakuan Yuslaimi Reviewed-by: Tien Fong Chee --- diff --git a/arch/arm/mach-socfpga/include/mach/reset_manager_soc64.h b/arch/arm/mach-socfpga/include/mach/reset_manager_soc64.h index c8bb727aa2b..058fdd6e548 100644 --- a/arch/arm/mach-socfpga/include/mach/reset_manager_soc64.h +++ b/arch/arm/mach-socfpga/include/mach/reset_manager_soc64.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2016-2019 Intel Corporation + * Copyright (C) 2025 Altera Corporation */ #ifndef _RESET_MANAGER_SOC64_H_ @@ -23,14 +24,20 @@ void socfpga_bridges_reset(int enable); #define RSTMGR_BRGMODRST_FPGA2SOC_MASK 0x00000004 /* SDM, Watchdogs and MPU warm reset mask */ -#define RSTMGR_STAT_SDMWARMRST BIT(1) +#define RSTMGR_STAT_SDMWARMRST 0x2 #define RSTMGR_STAT_MPU0RST_BITPOS 8 #define RSTMGR_STAT_L4WD0RST_BITPOS 16 +#if IS_ENABLED(CONFIG_TARGET_SOCFPGA_AGILEX5) +#define RSTMGR_STAT_L4WD0RST_BIT 0x1F0000 +#define RSTMGR_L4WD_MPU_WARMRESET_MASK (RSTMGR_STAT_SDMWARMRST | \ + RSTMGR_STAT_L4WD0RST_BIT) +#else #define RSTMGR_L4WD_MPU_WARMRESET_MASK (RSTMGR_STAT_SDMWARMRST | \ GENMASK(RSTMGR_STAT_MPU0RST_BITPOS + 3, \ RSTMGR_STAT_MPU0RST_BITPOS) | \ GENMASK(RSTMGR_STAT_L4WD0RST_BITPOS + 3, \ RSTMGR_STAT_L4WD0RST_BITPOS)) +#endif /* * SocFPGA Stratix10 reset IDs, bank mapping is as follows: