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 <errno.h>
10 #include <fdtdec.h>
11 #include <asm/arch/reset_manager.h>
12 #include <asm/arch/clock_manager.h>
13 #include <asm/arch/misc.h>
14 #include <asm/io.h>
15
16 #include <usb.h>
17 #include <usb/dwc2_udc.h>
18
19 DECLARE_GLOBAL_DATA_PTR;
20
s_init(void)21 void s_init(void) {
22 #ifndef CONFIG_ARM64
23 /*
24 * Preconfigure ACTLR and CPACR, make sure Write Full Line of Zeroes
25 * is disabled in ACTLR.
26 * This is optional on CycloneV / ArriaV.
27 * This is mandatory on Arria10, otherwise Linux refuses to boot.
28 */
29 asm volatile(
30 "mcr p15, 0, %0, c1, c0, 1\n"
31 "mcr p15, 0, %0, c1, c0, 2\n"
32 "isb\n"
33 "dsb\n"
34 ::"r"(0x0));
35 #endif
36 }
37
38 /*
39 * Miscellaneous platform dependent initialisations
40 */
board_init(void)41 int board_init(void)
42 {
43 /* Address of boot parameters for ATAG (if ATAG is used) */
44 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
45
46 return 0;
47 }
48
dram_init_banksize(void)49 int dram_init_banksize(void)
50 {
51 fdtdec_setup_memory_banksize();
52
53 return 0;
54 }
55
56 #ifdef CONFIG_USB_GADGET
57 struct dwc2_plat_otg_data socfpga_otg_data = {
58 .usb_gusbcfg = 0x1417,
59 };
60
board_usb_init(int index,enum usb_init_type init)61 int board_usb_init(int index, enum usb_init_type init)
62 {
63 int node[2], count;
64 fdt_addr_t addr;
65
66 count = fdtdec_find_aliases_for_id(gd->fdt_blob, "udc",
67 COMPAT_ALTERA_SOCFPGA_DWC2USB,
68 node, 2);
69 if (count <= 0) /* No controller found. */
70 return 0;
71
72 addr = fdtdec_get_addr(gd->fdt_blob, node[0], "reg");
73 if (addr == FDT_ADDR_T_NONE) {
74 printf("UDC Controller has no 'reg' property!\n");
75 return -EINVAL;
76 }
77
78 /* Patch the address from OF into the controller pdata. */
79 socfpga_otg_data.regs_otg = addr;
80
81 return dwc2_udc_probe(&socfpga_otg_data);
82 }
83
g_dnl_board_usb_cable_connected(void)84 int g_dnl_board_usb_cable_connected(void)
85 {
86 return 1;
87 }
88 #endif
89