1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (C) 2020-2021 Intel Corporation <www.intel.com>
4  *
5  */
6 
7 #include <common.h>
8 #include <asm/arch/clock_manager.h>
9 #include <asm/arch/firewall.h>
10 #include <asm/arch/mailbox_s10.h>
11 #include <asm/arch/misc.h>
12 #include <asm/arch/reset_manager.h>
13 #include <asm/arch/system_manager.h>
14 #include <asm/global_data.h>
15 #include <asm/io.h>
16 #include <asm/u-boot.h>
17 #include <asm/utils.h>
18 #include <dm/uclass.h>
19 #include <hang.h>
20 #include <image.h>
21 #include <init.h>
22 #include <spl.h>
23 #include <watchdog.h>
24 
25 DECLARE_GLOBAL_DATA_PTR;
26 
board_init_f(ulong dummy)27 void board_init_f(ulong dummy)
28 {
29 	int ret;
30 	struct udevice *dev;
31 
32 	ret = spl_early_init();
33 	if (ret)
34 		hang();
35 
36 	socfpga_get_managers_addr();
37 
38 	/* Ensure watchdog is paused when debugging is happening */
39 	writel(SYSMGR_WDDBG_PAUSE_ALL_CPU,
40 	       socfpga_get_sysmgr_addr() + SYSMGR_SOC64_WDDBG);
41 
42 #ifdef CONFIG_HW_WATCHDOG
43 	/* Enable watchdog before initializing the HW */
44 	socfpga_per_reset(SOCFPGA_RESET(L4WD0), 1);
45 	socfpga_per_reset(SOCFPGA_RESET(L4WD0), 0);
46 	hw_watchdog_init();
47 #endif
48 
49 	/* ensure all processors are not released prior Linux boot */
50 	writeq(0, CPU_RELEASE_ADDR);
51 
52 	timer_init();
53 
54 	sysmgr_pinmux_init();
55 
56 	preloader_console_init();
57 
58 	ret = uclass_get_device(UCLASS_CLK, 0, &dev);
59 	if (ret) {
60 		printf("Clock init failed: %d\n", ret);
61 		hang();
62 	}
63 
64 	ret = uclass_get_device(UCLASS_CLK, 1, &dev);
65 	if (ret) {
66 		printf("Memory clock init failed: %d\n", ret);
67 		hang();
68 	}
69 
70 	print_reset_info();
71 	cm_print_clock_quick_summary();
72 
73 	firewall_setup();
74 
75 	ret = uclass_get_device(UCLASS_CACHE, 0, &dev);
76 	if (ret) {
77 		printf("CCU init failed: %d\n", ret);
78 		hang();
79 	}
80 
81 #if CONFIG_IS_ENABLED(ALTERA_SDRAM)
82 	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
83 	if (ret) {
84 		printf("DRAM init failed: %d\n", ret);
85 		hang();
86 	}
87 #endif
88 
89 	mbox_init();
90 
91 #ifdef CONFIG_CADENCE_QSPI
92 	mbox_qspi_open();
93 #endif
94 }
95