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Diffstat (limited to 'u-boot/board/a3000/a3000.c')
| -rw-r--r-- | u-boot/board/a3000/a3000.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/u-boot/board/a3000/a3000.c b/u-boot/board/a3000/a3000.c new file mode 100644 index 0000000..ce2cf28 --- /dev/null +++ b/u-boot/board/a3000/a3000.c @@ -0,0 +1,117 @@ +/* + * (C) Copyright 2001 + * Rob Taylor, Flying Pig Systems. robt@flyingpig.com. + * + * Modified during 2003 by + * Ken Chou, kchou@ieee.org + * + * 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 <common.h> +#include <mpc824x.h> +#include <pci.h> +#include <netdev.h> + +int checkboard (void) +{ + ulong busfreq = get_bus_freq(0); + char buf[32]; + + printf("Board: A3000 Local Bus at %s MHz\n", strmhz(buf, busfreq)); + return 0; + +} + +phys_size_t initdram (int board_type) +{ + long size; + long new_bank0_end; + long mear1; + long emear1; + + size = get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MAX_RAM_SIZE); + + new_bank0_end = size - 1; + mear1 = mpc824x_mpc107_getreg(MEAR1); + emear1 = mpc824x_mpc107_getreg(EMEAR1); + mear1 = (mear1 & 0xFFFFFF00) | + ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT); + emear1 = (emear1 & 0xFFFFFF00) | + ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT); + mpc824x_mpc107_setreg(MEAR1, mear1); + mpc824x_mpc107_setreg(EMEAR1, emear1); + + return (size); +} + +/* + * Initialize PCI Devices + */ +#ifndef CONFIG_PCI_PNP +static struct pci_config_table pci_a3000_config_table[] = { + /* vendor, device, class */ + /* bus, dev, func */ + { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_83815, PCI_ANY_ID, + PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, /* dp83815 eth0 divice */ + pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, + PCI_ENET0_MEMADDR, + PCI_COMMAND_IO | + PCI_COMMAND_MEMORY | + PCI_COMMAND_MASTER }}, + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + PCI_ANY_ID, 0x14, PCI_ANY_ID, /* PCI slot1 */ + pci_cfgfunc_config_device, { PCI_ENET1_IOADDR, + PCI_ENET1_MEMADDR, + PCI_COMMAND_IO | + PCI_COMMAND_MEMORY | + PCI_COMMAND_MASTER }}, + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + PCI_ANY_ID, 0x15, PCI_ANY_ID, /* PCI slot2 */ + pci_cfgfunc_config_device, { PCI_ENET2_IOADDR, + PCI_ENET2_MEMADDR, + PCI_COMMAND_IO | + PCI_COMMAND_MEMORY | + PCI_COMMAND_MASTER }}, + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + PCI_ANY_ID, 0x16, PCI_ANY_ID, /* PCI slot3 */ + pci_cfgfunc_config_device, { PCI_ENET3_IOADDR, + PCI_ENET3_MEMADDR, + PCI_COMMAND_IO | + PCI_COMMAND_MEMORY | + PCI_COMMAND_MASTER }}, + { } +}; +#endif + +struct pci_controller hose = { +#ifndef CONFIG_PCI_PNP + config_table: pci_a3000_config_table, +#endif +}; + +void pci_init_board(void) +{ + pci_mpc824x_init(&hose); +} + +int board_eth_init(bd_t *bis) +{ + return pci_eth_init(bis); +} |