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-rw-r--r--plat/intel/soc/stratix10/bl31_plat_setup.c173
1 files changed, 173 insertions, 0 deletions
diff --git a/plat/intel/soc/stratix10/bl31_plat_setup.c b/plat/intel/soc/stratix10/bl31_plat_setup.c
new file mode 100644
index 0000000..be0fae5
--- /dev/null
+++ b/plat/intel/soc/stratix10/bl31_plat_setup.c
@@ -0,0 +1,173 @@
+/*
+ * Copyright (c) 2019-2020, 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 <drivers/arm/gicv2.h>
+#include <drivers/ti/uart/uart_16550.h>
+#include <lib/xlat_tables/xlat_tables.h>
+#include <lib/mmio.h>
+#include <plat/common/platform.h>
+#include <platform_def.h>
+
+#include "socfpga_mailbox.h"
+#include "socfpga_noc.h"
+#include "socfpga_private.h"
+#include "socfpga_reset_manager.h"
+#include "socfpga_system_manager.h"
+#include "s10_memory_controller.h"
+#include "s10_pinmux.h"
+#include "s10_clock_manager.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, PLAT_SEC_WARM_ENTRY);
+
+ 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) {
+ 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);
+
+ enable_ocram_firewall();
+}
+
+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}
+};
+
+/*******************************************************************************
+ * 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_stratix10_mmap);
+ enable_mmu_el3(0);
+}
+