1 /*
2  * Copyright (c) 2019-2021, ARM Limited and Contributors. All rights reserved.
3  * Copyright (c) 2019-2023, Intel Corporation. All rights reserved.
4  *
5  * SPDX-License-Identifier: BSD-3-Clause
6  */
7 
8 #include <assert.h>
9 #include <arch.h>
10 #include <arch_helpers.h>
11 #include <common/bl_common.h>
12 #include <common/debug.h>
13 #include <common/desc_image_load.h>
14 #include <drivers/cadence/cdns_sdmmc.h>
15 #include <drivers/generic_delay_timer.h>
16 #include <drivers/synopsys/dw_mmc.h>
17 #include <drivers/ti/uart/uart_16550.h>
18 #include <lib/mmio.h>
19 #include <lib/xlat_tables/xlat_tables_v2.h>
20 
21 #include "agilex5_clock_manager.h"
22 #include "agilex5_memory_controller.h"
23 #include "agilex5_mmc.h"
24 #include "agilex5_pinmux.h"
25 #include "agilex5_system_manager.h"
26 #include "ccu/ncore_ccu.h"
27 #include "combophy/combophy.h"
28 #include "nand/nand.h"
29 #include "qspi/cadence_qspi.h"
30 #include "sdmmc/sdmmc.h"
31 #include "socfpga_emac.h"
32 #include "socfpga_f2sdram_manager.h"
33 #include "socfpga_handoff.h"
34 #include "socfpga_mailbox.h"
35 #include "socfpga_private.h"
36 #include "socfpga_reset_manager.h"
37 #include "wdt/watchdog.h"
38 
39 
40 /* Declare mmc_info */
41 static struct mmc_device_info mmc_info;
42 
43 /* Declare cadence idmac descriptor */
44 extern struct cdns_idmac_desc cdns_desc[8] __aligned(32);
45 
46 const mmap_region_t agilex_plat_mmap[] = {
47 	MAP_REGION_FLAT(DRAM_BASE, DRAM_SIZE,
48 		MT_MEMORY | MT_RW | MT_NS),
49 	MAP_REGION_FLAT(PSS_BASE, PSS_SIZE,
50 		MT_DEVICE | MT_RW | MT_NS),
51 	MAP_REGION_FLAT(MPFE_BASE, MPFE_SIZE,
52 		MT_DEVICE | MT_RW | MT_SECURE),
53 	MAP_REGION_FLAT(OCRAM_BASE, OCRAM_SIZE,
54 		MT_NON_CACHEABLE | MT_RW | MT_SECURE),
55 	MAP_REGION_FLAT(CCU_BASE, CCU_SIZE,
56 		MT_DEVICE | MT_RW | MT_SECURE),
57 	MAP_REGION_FLAT(MEM64_BASE, MEM64_SIZE,
58 		MT_DEVICE | MT_RW | MT_NS),
59 	MAP_REGION_FLAT(GIC_BASE, GIC_SIZE,
60 		MT_DEVICE | MT_RW | MT_SECURE),
61 	{0},
62 };
63 
64 boot_source_type boot_source = BOOT_SOURCE;
65 
bl2_el3_early_platform_setup(u_register_t x0,u_register_t x1,u_register_t x2,u_register_t x4)66 void bl2_el3_early_platform_setup(u_register_t x0, u_register_t x1,
67 				u_register_t x2, u_register_t x4)
68 {
69 	static console_t console;
70 
71 	handoff reverse_handoff_ptr = { 0 };
72 
73 	generic_delay_timer_init();
74 	config_clkmgr_handoff(&reverse_handoff_ptr);
75 	mailbox_init();
76 	enable_nonsecure_access();
77 
78 	deassert_peripheral_reset();
79 	if (combo_phy_init(&reverse_handoff_ptr) != 0) {
80 		ERROR("Combo Phy initialization failed\n");
81 	}
82 
83 	console_16550_register(PLAT_INTEL_UART_BASE, PLAT_UART_CLOCK,
84 	PLAT_BAUDRATE, &console);
85 
86 	/* Store magic number */
87 	mmio_write_32(L2_RESET_DONE_REG, PLAT_L2_RESET_REQ);
88 }
89 
bl2_el3_plat_arch_setup(void)90 void bl2_el3_plat_arch_setup(void)
91 {
92 	handoff reverse_handoff_ptr;
93 
94 	struct cdns_sdmmc_params params = EMMC_INIT_PARAMS((uintptr_t) &cdns_desc, get_mmc_clk());
95 
96 	mmc_info.mmc_dev_type = MMC_DEVICE_TYPE;
97 	mmc_info.ocr_voltage = OCR_3_3_3_4 | OCR_3_2_3_3;
98 
99 	/* Request ownership and direct access to QSPI */
100 	mailbox_hps_qspi_enable();
101 
102 	switch (boot_source) {
103 	case BOOT_SOURCE_SDMMC:
104 		NOTICE("SDMMC boot\n");
105 		sdmmc_init(&reverse_handoff_ptr, &params, &mmc_info);
106 		socfpga_io_setup(boot_source);
107 		break;
108 
109 	case BOOT_SOURCE_QSPI:
110 		NOTICE("QSPI boot\n");
111 		cad_qspi_init(0, QSPI_CONFIG_CPHA, QSPI_CONFIG_CPOL,
112 			QSPI_CONFIG_CSDA, QSPI_CONFIG_CSDADS,
113 			QSPI_CONFIG_CSEOT, QSPI_CONFIG_CSSOT, 0);
114 		socfpga_io_setup(boot_source);
115 		break;
116 
117 	case BOOT_SOURCE_NAND:
118 		NOTICE("NAND boot\n");
119 		nand_init(&reverse_handoff_ptr);
120 		socfpga_io_setup(boot_source);
121 		break;
122 
123 	default:
124 		ERROR("Unsupported boot source\n");
125 		panic();
126 		break;
127 	}
128 }
129 
get_spsr_for_bl33_entry(void)130 uint32_t get_spsr_for_bl33_entry(void)
131 {
132 	unsigned long el_status;
133 	unsigned int mode;
134 	uint32_t spsr;
135 
136 	/* Figure out what mode we enter the non-secure world in */
137 	el_status = read_id_aa64pfr0_el1() >> ID_AA64PFR0_EL2_SHIFT;
138 	el_status &= ID_AA64PFR0_ELX_MASK;
139 
140 	mode = (el_status) ? MODE_EL2 : MODE_EL1;
141 
142 	/*
143 	 * TODO: Consider the possibility of specifying the SPSR in
144 	 * the FIP ToC and allowing the platform to have a say as
145 	 * well.
146 	 */
147 	spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
148 	return spsr;
149 }
150 
bl2_plat_handle_post_image_load(unsigned int image_id)151 int bl2_plat_handle_post_image_load(unsigned int image_id)
152 {
153 	bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id);
154 
155 	assert(bl_mem_params);
156 
157 	switch (image_id) {
158 	case BL33_IMAGE_ID:
159 		bl_mem_params->ep_info.args.arg0 = 0xffff & read_mpidr();
160 		bl_mem_params->ep_info.spsr = get_spsr_for_bl33_entry();
161 		break;
162 	default:
163 		break;
164 	}
165 
166 	return 0;
167 }
168 
169 /*******************************************************************************
170  * Perform any BL3-1 platform setup code
171  ******************************************************************************/
bl2_platform_setup(void)172 void bl2_platform_setup(void)
173 {
174 }
175