/* * (C) Copyright 2002 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * 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 <config.h> #include <common.h> #include <asm/io.h> #include "pci.h" #include "hardware.h" #include "pcippc2.h" u32 pcippc2_fpga0_phys; u32 pcippc2_fpga1_phys; void pcippc2_fpga_init (void) { pci_dev_t bdf = pci_find_device(FPGA_VENDOR_ID, FPGA_DEVICE_ID, 0); unsigned int addr; u16 cmd; if (bdf == -1) { puts("Unable to find FPGA !\n"); hang(); } pci_read_config_word(bdf, PCI_COMMAND, &cmd); if ((cmd & (PCI_COMMAND_MEMORY | PCI_COMMAND_IO)) != (PCI_COMMAND_MEMORY | PCI_COMMAND_IO)) { puts("FPGA is not configured !\n"); hang(); } pci_read_config_dword(bdf, PCI_BASE_ADDRESS_0, &addr); if (addr & 0x1) { /* IO space */ pcippc2_fpga0_phys = pci_io_to_phys(bdf, addr & 0xfffffffc); } else { /* Memory space */ pcippc2_fpga0_phys = pci_mem_to_phys(bdf, addr & 0xfffffff0); } pci_read_config_dword(bdf, PCI_BASE_ADDRESS_1, &addr); if (addr & 0x1) { /* IO space */ pcippc2_fpga1_phys = pci_io_to_phys(bdf, addr & 0xfffffffc); } else { /* Memory space */ pcippc2_fpga1_phys = pci_mem_to_phys(bdf, addr & 0xfffffff0); } /* Interrupts are not used */ out32(FPGA(INT, INTR_MASK), 0xffffffff); iobarrier_rw(); }