feat(intel): platform enablement for Agilex5 SoC FPGA

This patch is used to enable platform enablement for
Agilex5 SoC FPGA.

New feature:
	1. Added ATF->Zephyr boot option
	2. Added xlat_v2 for MMU
	3. Added ATF->Linux boot option
	4. Added SMP support
	5. Added HPS bridges support
	6. Added EMULATOR support
	7. Added DDR support
	8. Added GICv3 Redistirbution init
	9. Added SDMMC/NAND/Combo Phy support
	10. Updated GIC as secure access
	11. Added CCU driver support
	12. Updated product name -> Agilex5
	13. Updated register address based on y22ww52.2 RTL
	14. Updated system counter freq to 400MHz

Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
Change-Id: Ice82f3e4535527cfd01500d4d528402985f72009
diff --git a/plat/intel/soc/agilex5/bl2_plat_setup.c b/plat/intel/soc/agilex5/bl2_plat_setup.c
new file mode 100644
index 0000000..88f9880
--- /dev/null
+++ b/plat/intel/soc/agilex5/bl2_plat_setup.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2019-2021, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2019-2023, 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 <common/debug.h>
+#include <common/desc_image_load.h>
+#include <drivers/cadence/cdns_sdmmc.h>
+#include <drivers/generic_delay_timer.h>
+#include <drivers/synopsys/dw_mmc.h>
+#include <drivers/ti/uart/uart_16550.h>
+#include <lib/mmio.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+
+#include "agilex5_clock_manager.h"
+#include "agilex5_memory_controller.h"
+#include "agilex5_mmc.h"
+#include "agilex5_pinmux.h"
+#include "agilex5_system_manager.h"
+#include "ccu/ncore_ccu.h"
+#include "combophy/combophy.h"
+#include "nand/nand.h"
+#include "qspi/cadence_qspi.h"
+#include "sdmmc/sdmmc.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 "wdt/watchdog.h"
+
+
+/* Declare mmc_info */
+static struct mmc_device_info mmc_info;
+
+/* Declare cadence idmac descriptor */
+extern struct cdns_idmac_desc cdns_desc[8] __aligned(32);
+
+const mmap_region_t agilex_plat_mmap[] = {
+	MAP_REGION_FLAT(DRAM_BASE, DRAM_SIZE,
+		MT_MEMORY | MT_RW | MT_NS),
+	MAP_REGION_FLAT(PSS_BASE, PSS_SIZE,
+		MT_DEVICE | MT_RW | MT_NS),
+	MAP_REGION_FLAT(MPFE_BASE, MPFE_SIZE,
+		MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(OCRAM_BASE, OCRAM_SIZE,
+		MT_NON_CACHEABLE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(CCU_BASE, CCU_SIZE,
+		MT_DEVICE | MT_RW | MT_SECURE),
+	MAP_REGION_FLAT(MEM64_BASE, MEM64_SIZE,
+		MT_DEVICE | MT_RW | MT_NS),
+	MAP_REGION_FLAT(GIC_BASE, GIC_SIZE,
+		MT_DEVICE | MT_RW | MT_SECURE),
+	{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();
+	config_clkmgr_handoff(&reverse_handoff_ptr);
+	mailbox_init();
+	enable_nonsecure_access();
+
+	deassert_peripheral_reset();
+	if (combo_phy_init(&reverse_handoff_ptr) != 0) {
+		ERROR("Combo Phy initialization failed\n");
+	}
+
+	console_16550_register(PLAT_INTEL_UART_BASE, PLAT_UART_CLOCK,
+	PLAT_BAUDRATE, &console);
+
+	/* Store magic number */
+	mmio_write_32(L2_RESET_DONE_REG, PLAT_L2_RESET_REQ);
+}
+
+void bl2_el3_plat_arch_setup(void)
+{
+	handoff reverse_handoff_ptr;
+
+	struct cdns_sdmmc_params params = EMMC_INIT_PARAMS((uintptr_t) &cdns_desc, get_mmc_clk());
+
+	mmc_info.mmc_dev_type = MMC_DEVICE_TYPE;
+	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:
+		NOTICE("SDMMC boot\n");
+		sdmmc_init(&reverse_handoff_ptr, &params, &mmc_info);
+		socfpga_io_setup(boot_source);
+		break;
+
+	case BOOT_SOURCE_QSPI:
+		NOTICE("QSPI boot\n");
+		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;
+
+	case BOOT_SOURCE_NAND:
+		NOTICE("NAND boot\n");
+		nand_init(&reverse_handoff_ptr);
+		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)
+{
+}