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// SPDX-License-Identifier: GPL-2.0+
/*
* Altera SoCFPGA common board code
*
* Copyright (C) 2015 Marek Vasut <marex@denx.de>
*/
#include <common.h>
#include <errno.h>
#include <fdtdec.h>
#include <init.h>
#include <asm/arch/reset_manager.h>
#include <asm/arch/clock_manager.h>
#include <asm/arch/misc.h>
#include <asm/io.h>
#include <usb.h>
#include <usb/dwc2_udc.h>
DECLARE_GLOBAL_DATA_PTR;
void s_init(void) {
#ifndef CONFIG_ARM64
/*
* Preconfigure ACTLR and CPACR, make sure Write Full Line of Zeroes
* is disabled in ACTLR.
* This is optional on CycloneV / ArriaV.
* This is mandatory on Arria10, otherwise Linux refuses to boot.
*/
asm volatile(
"mcr p15, 0, %0, c1, c0, 1\n"
"mcr p15, 0, %0, c1, c0, 2\n"
"isb\n"
"dsb\n"
::"r"(0x0));
#endif
}
/*
* Miscellaneous platform dependent initialisations
*/
int board_init(void)
{
/* Address of boot parameters for ATAG (if ATAG is used) */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
return 0;
}
int dram_init_banksize(void)
{
fdtdec_setup_memory_banksize();
return 0;
}
#ifdef CONFIG_USB_GADGET
struct dwc2_plat_otg_data socfpga_otg_data = {
.usb_gusbcfg = 0x1417,
};
int board_usb_init(int index, enum usb_init_type init)
{
int node[2], count;
fdt_addr_t addr;
count = fdtdec_find_aliases_for_id(gd->fdt_blob, "udc",
COMPAT_ALTERA_SOCFPGA_DWC2USB,
node, 2);
if (count <= 0) /* No controller found. */
return 0;
addr = fdtdec_get_addr(gd->fdt_blob, node[0], "reg");
if (addr == FDT_ADDR_T_NONE) {
printf("UDC Controller has no 'reg' property!\n");
return -EINVAL;
}
/* Patch the address from OF into the controller pdata. */
socfpga_otg_data.regs_otg = addr;
return dwc2_udc_probe(&socfpga_otg_data);
}
int g_dnl_board_usb_cable_connected(void)
{
return 1;
}
#endif
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