diff options
| author | Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi@altera.com> | 2025-04-03 19:07:02 -0700 |
|---|---|---|
| committer | Tien Fong Chee <tien.fong.chee@intel.com> | 2025-04-22 11:47:39 +0800 |
| commit | 9acad2b4c7214bb423a6221b67b0d7ea37edbdf7 (patch) | |
| tree | 97149ff2ca69eabffcd2b78b76d60eefd9dadd81 | |
| parent | ef16992e3eab0eaa3c194fffd65bd8cc89050388 (diff) | |
arm: socfpga: soc64: Update reset manager registers for F2S bridge
Add reset manager registers in preparation for F2S bridge reset
support as well as the mask support to enable/disable the bridges.
Mask value:
BIT0: soc2fpga
BIT1: lwhps2fpga
BIT2: fpga2soc
These bridges are available only in Stratix10:
BIT3: f2sdram0
BIT4: f2sdram1
BIT5: f2sdram2
Signed-off-by: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi@altera.com>
Reviewed-by: Tien Fong Chee <tien.fong.chee@altera.com>
| -rw-r--r-- | arch/arm/mach-socfpga/include/mach/reset_manager_soc64.h | 18 | ||||
| -rw-r--r-- | arch/arm/mach-socfpga/misc_soc64.c | 2 | ||||
| -rw-r--r-- | include/linux/intel-smc.h | 15 |
3 files changed, 27 insertions, 8 deletions
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 058fdd6e548..4b010be9ee8 100644 --- a/arch/arm/mach-socfpga/include/mach/reset_manager_soc64.h +++ b/arch/arm/mach-socfpga/include/mach/reset_manager_soc64.h @@ -10,9 +10,12 @@ void reset_deassert_peripherals_handoff(void); int cpu_has_been_warmreset(void); void print_reset_info(void); -void socfpga_bridges_reset(int enable); +void socfpga_bridges_reset(int enable, unsigned int mask); #define RSTMGR_SOC64_STATUS 0x00 +#define RSTMGR_SOC64_HDSKEN 0x10 +#define RSTMGR_SOC64_HDSKREQ 0x14 +#define RSTMGR_SOC64_HDSKACK 0x18 #define RSTMGR_SOC64_MPUMODRST 0x20 #define RSTMGR_SOC64_PER0MODRST 0x24 #define RSTMGR_SOC64_PER1MODRST 0x28 @@ -20,8 +23,17 @@ void socfpga_bridges_reset(int enable); #define RSTMGR_MPUMODRST_CORE0 0 #define RSTMGR_PER0MODRST_OCP_MASK 0x0020bf00 -#define RSTMGR_BRGMODRST_DDRSCH_MASK 0X00000040 -#define RSTMGR_BRGMODRST_FPGA2SOC_MASK 0x00000004 + +#define RSTMGR_BRGMODRST_SOC2FPGA_MASK BIT(0) +#define RSTMGR_BRGMODRST_LWSOC2FPGA_MASK BIT(1) +#define RSTMGR_BRGMODRST_FPGA2SOC_MASK BIT(2) +#define RSTMGR_BRGMODRST_F2SDRAM0_MASK BIT(3) +#define RSTMGR_BRGMODRST_F2SDRAM1_MASK BIT(4) +#define RSTMGR_BRGMODRST_F2SDRAM2_MASK BIT(5) +#define RSTMGR_BRGMODRST_DDRSCH_MASK BIT(6) + +#define RSTMGR_HDSKEN_FPGAHSEN BIT(2) +#define RSTMGR_HDSKREQ_FPGAHSREQ BIT(2) /* SDM, Watchdogs and MPU warm reset mask */ #define RSTMGR_STAT_SDMWARMRST 0x2 diff --git a/arch/arm/mach-socfpga/misc_soc64.c b/arch/arm/mach-socfpga/misc_soc64.c index e0b2b4237e1..104b24241e4 100644 --- a/arch/arm/mach-socfpga/misc_soc64.c +++ b/arch/arm/mach-socfpga/misc_soc64.c @@ -107,5 +107,5 @@ void do_bridge_reset(int enable, unsigned int mask) return; } - socfpga_bridges_reset(enable); + socfpga_bridges_reset(enable, mask); } diff --git a/include/linux/intel-smc.h b/include/linux/intel-smc.h index a54eff43add..6455335bae4 100644 --- a/include/linux/intel-smc.h +++ b/include/linux/intel-smc.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2017-2018, Intel Corporation + * Copyright (C) 2025 Altera Corporation <www.altera.com> */ #ifndef __INTEL_SMC_H @@ -482,10 +483,16 @@ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FPGA_CONFIG_COMPLETED_WRITE) * Call register usage: * a0 INTEL_SIP_SMC_HPS_SET_BRIDGES * a1 Set bridges status: - * 0 - Disable - * 1 - Enable - * a2-7 not used - * + * Bit 0: 0 - Disable, 1 - Enable + * Bit 1: 1 - Has mask value in a2 + * a2 Mask value + * Bit 0: soc2fpga + * Bit 1: lwhps2fpga + * Bit 2: fpga2soc + * Bit 3: f2sdram0 (For Stratix 10 only) + * Bit 4: f2sdram1 (For Stratix 10 only) + * Bit 5: f2sdram2 (For Stratix 10 only) + * a3-7 not used * Return status * a0 INTEL_SIP_SMC_STATUS_OK */ |