| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007 Advanced Micro Devices, Inc. |
| * |
| * 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; version 2 of the License. |
| * |
| * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <delay.h> |
| |
| static void set_htic_bit(u8 i, u32 val, u8 bit) |
| { |
| u32 dword; |
| dword = pci_read_config32(NODE_PCI(i, 0), HT_INIT_CONTROL); |
| dword &= ~(1<<bit); |
| dword |= ((val & 1) <<bit); |
| pci_write_config32(NODE_PCI(i, 0), HT_INIT_CONTROL, dword); |
| } |
| |
| #ifdef UNUSED_CODE |
| static u32 get_htic_bit(u8 i, u8 bit) |
| { |
| u32 dword; |
| dword = pci_read_config32(NODE_PCI(i, 0), HT_INIT_CONTROL); |
| dword &= (1<<bit); |
| return dword; |
| } |
| |
| static void wait_till_sysinfo_in_ram(void) |
| { |
| while(1) { |
| /* give the NB a break, many CPUs spinning on one bit makes a |
| * lot of traffic and time is not too important to APs. |
| */ |
| udelay(1000); |
| if(get_htic_bit(0, 9)) return; |
| } |
| } |
| #endif |
| |
| static void set_sysinfo_in_ram(u32 val) |
| { |
| set_htic_bit(0, val, 9); |
| } |
| |
| static void fill_mem_ctrl(u32 controllers, struct mem_controller *ctrl_a, const u8 *spd_addr) |
| { |
| int i; |
| int j; |
| int index = 0; |
| struct mem_controller *ctrl; |
| for(i=0;i<controllers; i++) { |
| ctrl = &ctrl_a[i]; |
| ctrl->node_id = i; |
| ctrl->f0 = NODE_PCI(i, 0); |
| ctrl->f1 = NODE_PCI(i, 1); |
| ctrl->f2 = NODE_PCI(i, 2); |
| ctrl->f3 = NODE_PCI(i, 3); |
| ctrl->f4 = NODE_PCI(i, 4); |
| ctrl->f5 = NODE_PCI(i, 5); |
| |
| if(spd_addr == (void *)0) continue; |
| |
| ctrl->spd_switch_addr = spd_addr[index++]; |
| |
| for(j=0; j < 8; j++) { |
| ctrl->spd_addr[j] = spd_addr[index++]; |
| |
| } |
| } |
| } |
| |