diff options
Diffstat (limited to 'src/northbridge/amd/amdfam10/ht_config.c')
| -rw-r--r-- | src/northbridge/amd/amdfam10/ht_config.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdfam10/ht_config.c b/src/northbridge/amd/amdfam10/ht_config.c new file mode 100644 index 0000000000..cfd8a24526 --- /dev/null +++ b/src/northbridge/amd/amdfam10/ht_config.c @@ -0,0 +1,248 @@ +/* + * 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 <arch/io.h> +#include <stdint.h> +#include <device/device.h> +#include <device/pci_ops.h> + +#include <cpu/amd/amdfam10_sysconf.h> +#include "northbridge.h" +#include "amdfam10.h" +#include "ht_config.h" + +struct dram_base_mask_t get_dram_base_mask(u32 nodeid) +{ + struct dram_base_mask_t d; + device_t dev = __f1_dev[0]; + + u32 temp; + temp = pci_read_config32(dev, 0x44 + (nodeid << 3)); //[39:24] at [31:16] + d.mask = ((temp & 0xfff80000)>>(8+3)); // mask out DramMask [26:24] too + temp = pci_read_config32(dev, 0x144 + (nodeid <<3)) & 0xff; //[47:40] at [7:0] + d.mask |= temp<<21; + + temp = pci_read_config32(dev, 0x40 + (nodeid << 3)); //[39:24] at [31:16] + d.mask |= (temp & 1); // enable bit + + d.base = ((temp & 0xfff80000)>>(8+3)); // mask out DramBase [26:24) too + temp = pci_read_config32(dev, 0x140 + (nodeid <<3)) & 0xff; //[47:40] at [7:0] + d.base |= temp<<21; + return d; +} + + +void set_config_map_reg(u32 nodeid, u32 linkn, u32 ht_c_index, + u32 busn_min, u32 busn_max, u32 segbit, + u32 nodes) +{ + u32 tempreg; + u32 i; + + busn_min>>=segbit; + busn_max>>=segbit; + + tempreg = 3 | ((nodeid&0xf)<<4) | ((nodeid & 0x30)<<(12-4))|(linkn<<8)|((busn_min & 0xff)<<16)|((busn_max&0xff)<<24); + for (i=0; i<nodes; i++) { + device_t dev = __f1_dev[i]; + pci_write_config32(dev, 0xe0 + ht_c_index * 4, tempreg); + } +} + +void clear_config_map_reg(u32 nodeid, u32 linkn, u32 ht_c_index, + u32 busn_min, u32 busn_max, u32 nodes) +{ + u32 i; + + for (i=0; i<nodes; i++) { + device_t dev = __f1_dev[i]; + pci_write_config32(dev, 0xe0 + ht_c_index * 4, 0); + } +} + +#if CONFIG_PCI_BUS_SEGN_BITS +u32 check_segn(device_t dev, u32 segbusn, u32 nodes, + sys_info_conf_t *sysinfo) +{ + //check segbusn here, We need every node have the same segn + if ((segbusn & 0xff)>(0xe0-1)) {// use next segn + u32 segn = (segbusn >> 8) & 0x0f; + segn++; + segbusn = segn<<8; + } + if (segbusn>>8) { + u32 val; + val = pci_read_config32(dev, 0x160); + val &= ~(0xf<<25); + val |= (segbusn & 0xf00)<<(25-8); + pci_write_config32(dev, 0x160, val); + } + + return segbusn; +} +#endif + +u32 get_ht_c_index(u32 nodeid, u32 linkn, sys_info_conf_t *sysinfo) +{ + u32 tempreg; + u32 ht_c_index = 0; + +#if 0 + tempreg = 3 | ((nodeid & 0xf) <<4) | ((nodeid & 0x30)<<(12-4)) | (linkn<<8); + + for (ht_c_index=0;ht_c_index<4; ht_c_index++) { + reg = pci_read_config32(PCI_DEV(CONFIG_CBB, CONFIG_CDB, 1), 0xe0 + ht_c_index * 4); + if (((reg & 0xffff) == 0x0000)) { /*found free*/ + break; + } + } +#endif + tempreg = 3 | ((nodeid & 0x3f)<<2) | (linkn<<8); + for (ht_c_index=0; ht_c_index<32; ht_c_index++) { + if ((sysinfo->ht_c_conf_bus[ht_c_index] & 0xfff) == tempreg) { + return ht_c_index; + } + } + + for (ht_c_index=0; ht_c_index<32; ht_c_index++) { + if (sysinfo->ht_c_conf_bus[ht_c_index] == 0) { + return ht_c_index; + } + } + + return -1; +} + +void store_ht_c_conf_bus(u32 nodeid, u32 linkn, u32 ht_c_index, + u32 busn_min, u32 busn_max, + sys_info_conf_t *sysinfo) +{ + u32 val; + val = 3 | ((nodeid & 0x3f)<<2) | (linkn<<8); + sysinfo->ht_c_conf_bus[ht_c_index] = val | ((busn_min & 0xff) <<12) | (busn_max<<20); // same node need segn are same + +} + +u32 get_io_addr_index(u32 nodeid, u32 linkn) +{ + u32 index; + + for (index=0; index<256; index++) { + if (sysconf.conf_io_addrx[index+4] == 0) { + sysconf.conf_io_addr[index+4] = (nodeid & 0x3f) ; + sysconf.conf_io_addrx[index+4] = 1 | ((linkn & 0x7)<<4); + return index; + } + } + + return 0; +} + +u32 get_mmio_addr_index(u32 nodeid, u32 linkn) +{ + u32 index; + + for (index=0; index<64; index++) { + if (sysconf.conf_mmio_addrx[index+8] == 0) { + sysconf.conf_mmio_addr[index+8] = (nodeid & 0x3f) ; + sysconf.conf_mmio_addrx[index+8] = 1 | ((linkn & 0x7)<<4); + return index; + } + } + + return 0; +} + + +void store_conf_io_addr(u32 nodeid, u32 linkn, u32 reg, u32 index, + u32 io_min, u32 io_max) +{ + u32 val; + + /* io range allocation */ + index = (reg-0xc0)>>3; + + val = (nodeid & 0x3f); // 6 bits used + sysconf.conf_io_addr[index] = val | ((io_max<<8) & 0xfffff000); //limit : with nodeid + val = 3 | ((linkn & 0x7)<<4) ; // 8 bits used + sysconf.conf_io_addrx[index] = val | ((io_min<<8) & 0xfffff000); // base : with enable bit + + if (sysconf.io_addr_num < (index+1)) + sysconf.io_addr_num = index+1; +} + + +void store_conf_mmio_addr(u32 nodeid, u32 linkn, u32 reg, u32 index, + u32 mmio_min, u32 mmio_max) +{ + u32 val; + + /* io range allocation */ + index = (reg-0x80)>>3; + + val = (nodeid & 0x3f) ; // 6 bits used + sysconf.conf_mmio_addr[index] = val | (mmio_max & 0xffffff00); //limit : with nodeid and linkn + val = 3 | ((linkn & 0x7)<<4) ; // 8 bits used + sysconf.conf_mmio_addrx[index] = val | (mmio_min & 0xffffff00); // base : with enable bit + + if ( sysconf.mmio_addr_num<(index+1)) + sysconf.mmio_addr_num = index+1; +} + + +void set_io_addr_reg(device_t dev, u32 nodeid, u32 linkn, u32 reg, + u32 io_min, u32 io_max) +{ + u32 i; + u32 tempreg; + + /* io range allocation */ + tempreg = (nodeid&0xf) | ((nodeid & 0x30)<<(8-4)) | (linkn<<4) | ((io_max&0xf0)<<(12-4)); //limit + for (i=0; i<sysconf.nodes; i++) + pci_write_config32(__f1_dev[i], reg+4, tempreg); + + tempreg = 3 /*| ( 3<<4)*/ | ((io_min&0xf0)<<(12-4)); //base :ISA and VGA ? +#if 0 + // FIXME: can we use VGA reg instead? + if (dev->link[link].bridge_ctrl & PCI_BRIDGE_CTL_VGA) { + printk(BIOS_SPEW, "%s, enabling legacy VGA IO forwarding for %s link %s\n", + __func__, dev_path(dev), link); + tempreg |= PCI_IO_BASE_VGA_EN; + } + if (dev->link[link].bridge_ctrl & PCI_BRIDGE_CTL_NO_ISA) { + tempreg |= PCI_IO_BASE_NO_ISA; + } +#endif + for (i=0; i<sysconf.nodes; i++) + pci_write_config32(__f1_dev[i], reg, tempreg); +} + +void set_mmio_addr_reg(u32 nodeid, u32 linkn, u32 reg, u32 index, u32 mmio_min, u32 mmio_max, u32 nodes) +{ + u32 i; + u32 tempreg; + + /* io range allocation */ + tempreg = (nodeid&0xf) | (linkn<<4) | (mmio_max&0xffffff00); //limit + for (i=0; i<nodes; i++) + pci_write_config32(__f1_dev[i], reg+4, tempreg); + tempreg = 3 | (nodeid & 0x30) | (mmio_min&0xffffff00); + for (i=0; i<sysconf.nodes; i++) + pci_write_config32(__f1_dev[i], reg, tempreg); +} |