1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Altera SoCFPGA common board code
4  *
5  * Copyright (C) 2015 Marek Vasut <marex@denx.de>
6  */
7 
8 #include <common.h>
9 #include <asm/arch/clock_manager.h>
10 #include <asm/arch/misc.h>
11 #include <asm/arch/reset_manager.h>
12 #include <asm/arch/secure_vab.h>
13 #include <asm/global_data.h>
14 #include <asm/io.h>
15 #include <errno.h>
16 #include <fdtdec.h>
17 #include <hang.h>
18 #include <image.h>
19 #include <init.h>
20 #include <log.h>
21 #include <usb.h>
22 #include <usb/dwc2_udc.h>
23 
24 DECLARE_GLOBAL_DATA_PTR;
25 
s_init(void)26 void s_init(void) {
27 #ifndef CONFIG_ARM64
28 	/*
29 	 * Preconfigure ACTLR and CPACR, make sure Write Full Line of Zeroes
30 	 * is disabled in ACTLR.
31 	 * This is optional on CycloneV / ArriaV.
32 	 * This is mandatory on Arria10, otherwise Linux refuses to boot.
33 	 */
34 	asm volatile(
35 		"mcr p15, 0, %0, c1, c0, 1\n"
36 		"mcr p15, 0, %0, c1, c0, 2\n"
37 		"isb\n"
38 		"dsb\n"
39 	::"r"(0x0));
40 #endif
41 }
42 
43 /*
44  * Miscellaneous platform dependent initialisations
45  */
board_init(void)46 int board_init(void)
47 {
48 	/* Address of boot parameters for ATAG (if ATAG is used) */
49 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
50 
51 	return 0;
52 }
53 
dram_init_banksize(void)54 int dram_init_banksize(void)
55 {
56 	fdtdec_setup_memory_banksize();
57 
58 	return 0;
59 }
60 
61 #ifdef CONFIG_USB_GADGET
62 struct dwc2_plat_otg_data socfpga_otg_data = {
63 	.usb_gusbcfg	= 0x1417,
64 };
65 
board_usb_init(int index,enum usb_init_type init)66 int board_usb_init(int index, enum usb_init_type init)
67 {
68 	int node[2], count;
69 	fdt_addr_t addr;
70 
71 	count = fdtdec_find_aliases_for_id(gd->fdt_blob, "udc",
72 					   COMPAT_ALTERA_SOCFPGA_DWC2USB,
73 					   node, 2);
74 	if (count <= 0)	/* No controller found. */
75 		return 0;
76 
77 	addr = fdtdec_get_addr(gd->fdt_blob, node[0], "reg");
78 	if (addr == FDT_ADDR_T_NONE) {
79 		printf("UDC Controller has no 'reg' property!\n");
80 		return -EINVAL;
81 	}
82 
83 	/* Patch the address from OF into the controller pdata. */
84 	socfpga_otg_data.regs_otg = addr;
85 
86 	return dwc2_udc_probe(&socfpga_otg_data);
87 }
88 
g_dnl_board_usb_cable_connected(void)89 int g_dnl_board_usb_cable_connected(void)
90 {
91 	return 1;
92 }
93 #endif
94 
95 #ifdef CONFIG_SPL_BUILD
board_fit_config_name_match(const char * name)96 __weak int board_fit_config_name_match(const char *name)
97 {
98 	/* Just empty function now - can't decide what to choose */
99 	debug("%s: %s\n", __func__, name);
100 
101 	return 0;
102 }
103 #endif
104 
105 #if IS_ENABLED(CONFIG_FIT_IMAGE_POST_PROCESS)
board_fit_image_post_process(const void * fit,int node,void ** p_image,size_t * p_size)106 void board_fit_image_post_process(const void *fit, int node, void **p_image,
107 				  size_t *p_size)
108 {
109 	if (IS_ENABLED(CONFIG_SOCFPGA_SECURE_VAB_AUTH)) {
110 		if (socfpga_vendor_authentication(p_image, p_size))
111 			hang();
112 	}
113 }
114 #endif
115 
116 #if !IS_ENABLED(CONFIG_SPL_BUILD) && IS_ENABLED(CONFIG_FIT)
board_prep_linux(bootm_headers_t * images)117 void board_prep_linux(bootm_headers_t *images)
118 {
119 	if (!images->fit_uname_cfg) {
120 		if (IS_ENABLED(CONFIG_SOCFPGA_SECURE_VAB_AUTH) &&
121 		    !IS_ENABLED(CONFIG_SOCFPGA_SECURE_VAB_AUTH_ALLOW_NON_FIT_IMAGE)) {
122 			/*
123 			 * Ensure the OS is always booted from FIT and with
124 			 * VAB signed certificate
125 			 */
126 			printf("Please use FIT with VAB signed images!\n");
127 			hang();
128 		}
129 	} else {
130 		/* Update fdt_addr in enviroment variable */
131 		env_set_hex("fdt_addr", (ulong)images->ft_addr);
132 		debug("images->ft_addr = 0x%08lx\n", (ulong)images->ft_addr);
133 	}
134 
135 	if (IS_ENABLED(CONFIG_CADENCE_QSPI)) {
136 		if (env_get("linux_qspi_enable"))
137 			run_command(env_get("linux_qspi_enable"), 0);
138 	}
139 }
140 #endif
141