diff options
author | Siew Chin Lim <elly.siew.chin.lim@intel.com> | 2021-03-24 13:11:36 +0800 |
---|---|---|
committer | Ley Foon Tan <ley.foon.tan@intel.com> | 2021-04-08 17:29:12 +0800 |
commit | bab26535ccd917ef2217a40ec31755910e11a63f (patch) | |
tree | 71ee1a401244c16f8680cf1d22f7f681e4fc8dc3 /arch/arm/mach-socfpga/system_manager_soc64.c | |
parent | d623e52c9fae29161e5cdcefaf19a8c38f4b0aa9 (diff) |
arm: socfpga: Changed system_manager_s10.c to system_manager_soc64.c
Rename to common file name to used by all SOC64 devices.
No functionality change.
Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Diffstat (limited to 'arch/arm/mach-socfpga/system_manager_soc64.c')
-rw-r--r-- | arch/arm/mach-socfpga/system_manager_soc64.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/system_manager_soc64.c b/arch/arm/mach-socfpga/system_manager_soc64.c new file mode 100644 index 00000000000..c123cc96445 --- /dev/null +++ b/arch/arm/mach-socfpga/system_manager_soc64.c @@ -0,0 +1,102 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2016-2018 Intel Corporation <www.intel.com> + * + */ + +#include <common.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/arch/system_manager.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Configure all the pin muxes + */ +void sysmgr_pinmux_init(void) +{ + populate_sysmgr_pinmux(); + populate_sysmgr_fpgaintf_module(); +} + +/* + * Populate the value for SYSMGR.FPGAINTF.MODULE based on pinmux setting. + * The value is not wrote to SYSMGR.FPGAINTF.MODULE but + * CONFIG_SYSMGR_ISWGRP_HANDOFF. + */ +void populate_sysmgr_fpgaintf_module(void) +{ + u32 handoff_val = 0; + + /* Enable the signal for those HPS peripherals that use FPGA. */ + if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_NAND_USEFPGA) == + SYSMGR_FPGAINTF_USEFPGA) + handoff_val |= SYSMGR_FPGAINTF_NAND; + if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_SDMMC_USEFPGA) == + SYSMGR_FPGAINTF_USEFPGA) + handoff_val |= SYSMGR_FPGAINTF_SDMMC; + if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_SPIM0_USEFPGA) == + SYSMGR_FPGAINTF_USEFPGA) + handoff_val |= SYSMGR_FPGAINTF_SPIM0; + if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_SPIM1_USEFPGA) == + SYSMGR_FPGAINTF_USEFPGA) + handoff_val |= SYSMGR_FPGAINTF_SPIM1; + writel(handoff_val, + socfpga_get_sysmgr_addr() + SYSMGR_SOC64_FPGAINTF_EN2); + + handoff_val = 0; + if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_EMAC0_USEFPGA) == + SYSMGR_FPGAINTF_USEFPGA) + handoff_val |= SYSMGR_FPGAINTF_EMAC0; + if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_EMAC1_USEFPGA) == + SYSMGR_FPGAINTF_USEFPGA) + handoff_val |= SYSMGR_FPGAINTF_EMAC1; + if (readl(socfpga_get_sysmgr_addr() + SYSMGR_SOC64_EMAC2_USEFPGA) == + SYSMGR_FPGAINTF_USEFPGA) + handoff_val |= SYSMGR_FPGAINTF_EMAC2; + writel(handoff_val, + socfpga_get_sysmgr_addr() + SYSMGR_SOC64_FPGAINTF_EN3); +} + +/* + * Configure all the pin muxes + */ +void populate_sysmgr_pinmux(void) +{ + const u32 *sys_mgr_table_u32; + unsigned int len, i; + + /* setup the pin sel */ + sysmgr_pinmux_table_sel(&sys_mgr_table_u32, &len); + for (i = 0; i < len; i = i + 2) { + writel(sys_mgr_table_u32[i + 1], + sys_mgr_table_u32[i] + + (u8 *)socfpga_get_sysmgr_addr() + SYSMGR_SOC64_PINSEL0); + } + + /* setup the pin ctrl */ + sysmgr_pinmux_table_ctrl(&sys_mgr_table_u32, &len); + for (i = 0; i < len; i = i + 2) { + writel(sys_mgr_table_u32[i + 1], + sys_mgr_table_u32[i] + + (u8 *)socfpga_get_sysmgr_addr() + SYSMGR_SOC64_IOCTRL0); + } + + /* setup the fpga use */ + sysmgr_pinmux_table_fpga(&sys_mgr_table_u32, &len); + for (i = 0; i < len; i = i + 2) { + writel(sys_mgr_table_u32[i + 1], + sys_mgr_table_u32[i] + + (u8 *)socfpga_get_sysmgr_addr() + + SYSMGR_SOC64_EMAC0_USEFPGA); + } + + /* setup the IO delay */ + sysmgr_pinmux_table_delay(&sys_mgr_table_u32, &len); + for (i = 0; i < len; i = i + 2) { + writel(sys_mgr_table_u32[i + 1], + sys_mgr_table_u32[i] + + (u8 *)socfpga_get_sysmgr_addr() + SYSMGR_SOC64_IODELAY0); + } +} |