diff options
Diffstat (limited to 'u-boot/board/utx8245/utx8245.c')
| -rw-r--r-- | u-boot/board/utx8245/utx8245.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/u-boot/board/utx8245/utx8245.c b/u-boot/board/utx8245/utx8245.c new file mode 100644 index 0000000..8402689 --- /dev/null +++ b/u-boot/board/utx8245/utx8245.c @@ -0,0 +1,135 @@ +/* + * (C) Copyright 2001 + * Rob Taylor, Flying Pig Systems. robt@flyingpig.com. + * + * (C) Copyright 2002 + * Gregory E. Allen, gallen@arlut.utexas.edu + * Matthew E. Karger, karger@arlut.utexas.edu + * Applied Research Laboratories, The University of Texas at Austin + * + * 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 <asm/processor.h> +#include <asm/io.h> +#include <asm/mmu.h> +#include <pci.h> +#include <netdev.h> + +#define SAVE_SZ 32 + + +int checkboard(void) +{ + ulong busfreq = get_bus_freq(0); + char buf[32]; + + printf("Board: UTX8245 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 new_bank1_end; + long mear1; + long emear1; + + size = get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MAX_RAM_SIZE); + + new_bank0_end = size/2 - 1; + new_bank1_end = size - 1; + mear1 = mpc824x_mpc107_getreg(MEAR1); + emear1 = mpc824x_mpc107_getreg(EMEAR1); + + mear1 = (mear1 & 0xFFFF0000) | + ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT) | + ((new_bank1_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT << 8); + emear1 = (emear1 & 0xFFFF0000) | + ((new_bank0_end & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT) | + ((new_bank1_end & MICR_EADDR_MASK) >> MICR_EADDR_SHIFT << 8); + + mpc824x_mpc107_setreg(MEAR1, mear1); + mpc824x_mpc107_setreg(EMEAR1, emear1); + + return (size); +} + + +/* + * Initialize PCI Devices, report devices found. + */ + +static struct pci_config_table pci_utx8245_config_table[] = { +#ifndef CONFIG_PCI_PNP + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0C, PCI_ANY_ID, + pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, + PCI_ENET0_MEMADDR, + PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0B, PCI_ANY_ID, + pci_cfgfunc_config_device, { PCI_FIREWIRE_IOADDR, + PCI_FIREWIRE_MEMADDR, + PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, +#endif /*CONFIG_PCI_PNP*/ + { } +}; + + +static void pci_utx8245_fixup_irq(struct pci_controller *hose, pci_dev_t dev) +{ + if (PCI_DEV(dev) == 11) + /* assign serial interrupt line 9 (int25) to FireWire */ + pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, 25); + + else if (PCI_DEV(dev) == 12) + /* assign serial interrupt line 8 (int24) to Ethernet */ + pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, 24); + + else if (PCI_DEV(dev) == 14) + /* assign serial interrupt line 0 (int16) to PMC slot 0 */ + pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, 16); + + else if (PCI_DEV(dev) == 15) + /* assign serial interrupt line 1 (int17) to PMC slot 1 */ + pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, 17); +} + +static struct pci_controller utx8245_hose = { +#ifndef CONFIG_PCI_PNP + config_table: pci_utx8245_config_table, + fixup_irq: pci_utx8245_fixup_irq, + write_byte: pci_hose_write_config_byte +#endif /*CONFIG_PCI_PNP*/ +}; + +void pci_init_board (void) +{ + pci_mpc824x_init(&utx8245_hose); + + icache_enable(); +} + +int board_eth_init(bd_t *bis) +{ + return pci_eth_init(bis); +} |