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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | /* * (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> 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; } long int initdram (int board_type) { int i, cnt; volatile uchar * base= CFG_SDRAM_BASE; volatile ulong * addr; ulong save[32]; ulong val, ret = 0; for (i=0, cnt=(CFG_MAX_RAM_SIZE / sizeof(long)) >> 1; cnt > 0; cnt >>= 1) { addr = (volatile ulong *)base + cnt; save[i++] = *addr; *addr = ~cnt; } addr = (volatile ulong *)base; save[i] = *addr; *addr = 0; if (*addr != 0) { *addr = save[i]; goto Done; } for (cnt = 1; cnt <= CFG_MAX_RAM_SIZE / sizeof(long); cnt <<= 1) { addr = (volatile ulong *)base + cnt; val = *addr; *addr = save[--i]; if (val != ~cnt) { ulong new_bank0_end = cnt * sizeof(long) - 1; ulong mear1 = mpc824x_mpc107_getreg(MEAR1); ulong 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); ret = cnt * sizeof(long); goto Done; } } ret = CFG_MAX_RAM_SIZE; Done: return ret; } /* * 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); } |