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Diffstat (limited to '')
| -rw-r--r-- | plat/intel/soc/n5x/bl31_plat_setup.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/plat/intel/soc/n5x/bl31_plat_setup.c b/plat/intel/soc/n5x/bl31_plat_setup.c new file mode 100644 index 0000000..5ca1a71 --- /dev/null +++ b/plat/intel/soc/n5x/bl31_plat_setup.c @@ -0,0 +1,165 @@ +/* + * Copyright (c) 2020-2022, Intel Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> +#include <arch.h> +#include <arch_helpers.h> +#include <common/bl_common.h> +#include <drivers/arm/gicv2.h> +#include <drivers/ti/uart/uart_16550.h> +#include <lib/mmio.h> +#include <lib/xlat_tables/xlat_tables.h> + +#include "ccu/ncore_ccu.h" +#include "socfpga_mailbox.h" +#include "socfpga_private.h" + +static entry_point_info_t bl32_image_ep_info; +static entry_point_info_t bl33_image_ep_info; + +entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type) +{ + entry_point_info_t *next_image_info; + + next_image_info = (type == NON_SECURE) ? + &bl33_image_ep_info : &bl32_image_ep_info; + + /* None of the images on this platform can have 0x0 as the entrypoint */ + if (next_image_info->pc) { + return next_image_info; + } else { + return NULL; + } +} + +void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, + u_register_t arg2, u_register_t arg3) +{ + static console_t console; + + mmio_write_64(PLAT_SEC_ENTRY, 0); + + console_16550_register(PLAT_INTEL_UART_BASE, PLAT_UART_CLOCK, + PLAT_BAUDRATE, &console); + /* + * Check params passed from BL31 should not be NULL, + */ + void *from_bl2 = (void *) arg0; + + bl_params_t *params_from_bl2 = (bl_params_t *)from_bl2; + + assert(params_from_bl2 != NULL); + + /* + * Copy BL32 (if populated by BL31) and BL33 entry point information. + * They are stored in Secure RAM, in BL31's address space. + */ + + if (params_from_bl2->h.type == PARAM_BL_PARAMS && + params_from_bl2->h.version >= VERSION_2) { + + bl_params_node_t *bl_params = params_from_bl2->head; + + while (bl_params != NULL) { + if (bl_params->image_id == BL33_IMAGE_ID) + bl33_image_ep_info = *bl_params->ep_info; + + bl_params = bl_params->next_params_info; + } + } else { + struct socfpga_bl31_params *arg_from_bl2 = + (struct socfpga_bl31_params *) from_bl2; + + assert(arg_from_bl2->h.type == PARAM_BL31); + assert(arg_from_bl2->h.version >= VERSION_1); + + bl32_image_ep_info = *arg_from_bl2->bl32_ep_info; + bl33_image_ep_info = *arg_from_bl2->bl33_ep_info; + } + SET_SECURITY_STATE(bl33_image_ep_info.h.attr, NON_SECURE); +} + +static const interrupt_prop_t s10_interrupt_props[] = { + PLAT_INTEL_SOCFPGA_G1S_IRQ_PROPS(GICV2_INTR_GROUP0), + PLAT_INTEL_SOCFPGA_G0_IRQ_PROPS(GICV2_INTR_GROUP0) +}; + +static unsigned int target_mask_array[PLATFORM_CORE_COUNT]; + +static const gicv2_driver_data_t plat_gicv2_gic_data = { + .gicd_base = PLAT_INTEL_SOCFPGA_GICD_BASE, + .gicc_base = PLAT_INTEL_SOCFPGA_GICC_BASE, + .interrupt_props = s10_interrupt_props, + .interrupt_props_num = ARRAY_SIZE(s10_interrupt_props), + .target_masks = target_mask_array, + .target_masks_num = ARRAY_SIZE(target_mask_array), +}; + +/******************************************************************************* + * Perform any BL3-1 platform setup code + ******************************************************************************/ +void bl31_platform_setup(void) +{ + socfpga_delay_timer_init(); + + /* Initialize the gic cpu and distributor interfaces */ + gicv2_driver_init(&plat_gicv2_gic_data); + gicv2_distif_init(); + gicv2_pcpu_distif_init(); + gicv2_cpuif_enable(); + + /* Signal secondary CPUs to jump to BL31 (BL2 = U-boot SPL) */ + mmio_write_64(PLAT_CPU_RELEASE_ADDR, + (uint64_t)plat_secondary_cpus_bl31_entry); + + mailbox_hps_stage_notify(HPS_EXECUTION_STATE_SSBL); + + ncore_enable_ocram_firewall(); +} + +const mmap_region_t plat_dm_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} +}; + +/******************************************************************************* + * Perform the very early platform specific architectural setup here. At the + * moment this is only intializes the mmu in a quick and dirty way. + ******************************************************************************/ +void bl31_plat_arch_setup(void) +{ + const mmap_region_t bl_regions[] = { + MAP_REGION_FLAT(BL31_BASE, BL31_END - BL31_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 + 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_dm_mmap); + enable_mmu_el3(0); +} |