/* * Copyright (C) 2012 Michal Simek * Copyright (C) 2012 Xilinx, Inc. All rights reserved. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include #include #include #include void lowlevel_init(void) { zynq_slcr_unlock(); /* remap DDR to zero, FILTERSTART */ writel(0, &scu_base->filter_start); /* Device config APB, unlock the PCAP */ writel(0x757BDF0D, &devcfg_base->unlock); writel(0xFFFFFFFF, &devcfg_base->rom_shadow); /* OCM_CFG, Mask out the ROM, map ram into upper addresses */ writel(0x1F, &slcr_base->ocm_cfg); /* FPGA_RST_CTRL, clear resets on AXI fabric ports */ writel(0x0, &slcr_base->fpga_rst_ctrl); /* TZ_DDR_RAM, Set DDR trust zone non-secure */ writel(0xFFFFFFFF, &slcr_base->trust_zone); /* Set urgent bits with register */ writel(0x0, &slcr_base->ddr_urgent_sel); /* Urgent write, ports S2/S3 */ writel(0xC, &slcr_base->ddr_urgent); zynq_slcr_lock(); } void reset_cpu(ulong addr) { zynq_slcr_cpu_reset(); while (1) ; }