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Diffstat (limited to '')
| -rw-r--r-- | plat/intel/soc/stratix10/bl2_plat_setup.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/plat/intel/soc/stratix10/bl2_plat_setup.c b/plat/intel/soc/stratix10/bl2_plat_setup.c new file mode 100644 index 0000000..73e3216 --- /dev/null +++ b/plat/intel/soc/stratix10/bl2_plat_setup.c @@ -0,0 +1,188 @@ +/* + * Copyright (c) 2019-2022, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2019-2022, Intel Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <arch_helpers.h> +#include <assert.h> +#include <common/bl_common.h> +#include <common/debug.h> +#include <common/desc_image_load.h> +#include <drivers/generic_delay_timer.h> +#include <drivers/synopsys/dw_mmc.h> +#include <drivers/ti/uart/uart_16550.h> +#include <lib/xlat_tables/xlat_tables.h> + +#include "qspi/cadence_qspi.h" +#include "socfpga_emac.h" +#include "socfpga_f2sdram_manager.h" +#include "socfpga_handoff.h" +#include "socfpga_mailbox.h" +#include "socfpga_private.h" +#include "socfpga_reset_manager.h" +#include "socfpga_system_manager.h" +#include "s10_clock_manager.h" +#include "s10_memory_controller.h" +#include "s10_mmc.h" +#include "s10_pinmux.h" +#include "wdt/watchdog.h" + +static struct mmc_device_info mmc_info; + +const mmap_region_t plat_stratix10_mmap[] = { + MAP_REGION_FLAT(DRAM_BASE, DRAM_SIZE, + MT_MEMORY | MT_RW | MT_NS), + MAP_REGION_FLAT(DEVICE1_BASE, DEVICE1_SIZE, + MT_DEVICE | MT_RW | MT_NS), + MAP_REGION_FLAT(DEVICE2_BASE, DEVICE2_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(OCRAM_BASE, OCRAM_SIZE, + MT_NON_CACHEABLE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(DEVICE3_BASE, DEVICE3_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(MEM64_BASE, MEM64_SIZE, + MT_DEVICE | MT_RW | MT_NS), + MAP_REGION_FLAT(DEVICE4_BASE, DEVICE4_SIZE, + MT_DEVICE | MT_RW | MT_NS), + {0}, +}; + +boot_source_type boot_source = BOOT_SOURCE; + +void bl2_el3_early_platform_setup(u_register_t x0, u_register_t x1, + u_register_t x2, u_register_t x4) +{ + static console_t console; + handoff reverse_handoff_ptr; + + generic_delay_timer_init(); + + if (socfpga_get_handoff(&reverse_handoff_ptr)) + return; + config_pinmux(&reverse_handoff_ptr); + + config_clkmgr_handoff(&reverse_handoff_ptr); + enable_nonsecure_access(); + deassert_peripheral_reset(); + config_hps_hs_before_warm_reset(); + + watchdog_init(get_wdt_clk()); + + console_16550_register(PLAT_INTEL_UART_BASE, get_uart_clk(), + PLAT_BAUDRATE, &console); + + socfpga_emac_init(); + socfpga_delay_timer_init(); + init_hard_memory_controller(); + mailbox_init(); + s10_mmc_init(); + + if (!intel_mailbox_is_fpga_not_ready()) { + socfpga_bridges_enable(SOC2FPGA_MASK | LWHPS2FPGA_MASK | + FPGA2SOC_MASK | F2SDRAM0_MASK | F2SDRAM1_MASK | + F2SDRAM2_MASK); + } +} + + +void bl2_el3_plat_arch_setup(void) +{ + + const mmap_region_t bl_regions[] = { + MAP_REGION_FLAT(BL2_BASE, BL2_END - BL2_BASE, + MT_MEMORY | MT_RW | MT_SECURE), + MAP_REGION_FLAT(BL_CODE_BASE, BL_CODE_END - BL_CODE_BASE, + MT_CODE | MT_SECURE), + MAP_REGION_FLAT(BL_RO_DATA_BASE, + BL_RO_DATA_END - BL_RO_DATA_BASE, + MT_RO_DATA | MT_SECURE), +#if USE_COHERENT_MEM_BAR + MAP_REGION_FLAT(BL_COHERENT_RAM_BASE, + BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, + MT_DEVICE | MT_RW | MT_SECURE), +#endif + {0}, + }; + + setup_page_tables(bl_regions, plat_stratix10_mmap); + + enable_mmu_el3(0); + + dw_mmc_params_t params = EMMC_INIT_PARAMS(0x100000, get_mmc_clk()); + + mmc_info.mmc_dev_type = MMC_IS_SD; + mmc_info.ocr_voltage = OCR_3_3_3_4 | OCR_3_2_3_3; + + /* Request ownership and direct access to QSPI */ + mailbox_hps_qspi_enable(); + + switch (boot_source) { + case BOOT_SOURCE_SDMMC: + dw_mmc_init(¶ms, &mmc_info); + socfpga_io_setup(boot_source); + break; + + case BOOT_SOURCE_QSPI: + cad_qspi_init(0, QSPI_CONFIG_CPHA, QSPI_CONFIG_CPOL, + QSPI_CONFIG_CSDA, QSPI_CONFIG_CSDADS, + QSPI_CONFIG_CSEOT, QSPI_CONFIG_CSSOT, 0); + socfpga_io_setup(boot_source); + break; + + default: + ERROR("Unsupported boot source\n"); + panic(); + break; + } +} + +uint32_t get_spsr_for_bl33_entry(void) +{ + unsigned long el_status; + unsigned int mode; + uint32_t spsr; + + /* Figure out what mode we enter the non-secure world in */ + el_status = read_id_aa64pfr0_el1() >> ID_AA64PFR0_EL2_SHIFT; + el_status &= ID_AA64PFR0_ELX_MASK; + + mode = (el_status) ? MODE_EL2 : MODE_EL1; + + /* + * TODO: Consider the possibility of specifying the SPSR in + * the FIP ToC and allowing the platform to have a say as + * well. + */ + spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS); + return spsr; +} + + +int bl2_plat_handle_post_image_load(unsigned int image_id) +{ + bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id); + + assert(bl_mem_params); + + switch (image_id) { + case BL33_IMAGE_ID: + bl_mem_params->ep_info.args.arg0 = 0xffff & read_mpidr(); + bl_mem_params->ep_info.spsr = get_spsr_for_bl33_entry(); + break; + default: + break; + } + + return 0; +} + +/******************************************************************************* + * Perform any BL3-1 platform setup code + ******************************************************************************/ +void bl2_platform_setup(void) +{ +} + |