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Diffstat (limited to 'board/cpc45/pd67290.c')
-rw-r--r-- | board/cpc45/pd67290.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/board/cpc45/pd67290.c b/board/cpc45/pd67290.c new file mode 100644 index 0000000..c84fbae --- /dev/null +++ b/board/cpc45/pd67290.c @@ -0,0 +1,68 @@ +/* pd67290.c - system configuration module for SPD67290 + * + * 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 + * + * (C) 2004 DENX Software Engineering, Heiko Schocher <hs@denx.de> + */ + +#include <common.h> +#include <malloc.h> +#include <net.h> +#include <asm/io.h> +#include <pci.h> + +/* imports */ +#include <mpc824x.h> + +static struct pci_device_id supported[] = { + {PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_6729}, + {} +}; + +/*************************************************************************** +* +* SPD67290Init - +* +* RETURNS: -1 on error, 0 if OK +*/ + +int SPD67290Init (void) +{ + pci_dev_t devno; + int idx = 0; /* general index */ + ulong membaseCsr; /* base address of device memory space */ + + /* find PD67290 device */ + if ((devno = pci_find_devices (supported, idx++)) < 0) { + printf ("No PD67290 device found !!\n"); + return -1; + } + /* - 0xfe000000 see MPC 8245 Users Manual Adress Map B */ + membaseCsr = PCMCIA_IO_BASE - 0xfe000000; + + /* set base address */ + pci_write_config_dword (devno, PCI_BASE_ADDRESS_0, membaseCsr); + + /* enable mapped memory and IO addresses */ + pci_write_config_dword (devno, + PCI_COMMAND, + PCI_COMMAND_MEMORY | + PCI_COMMAND_IO | PCI_COMMAND_WAIT); + return 0; +} |