From 7c0c64e1033b4edf9a488e8e31948726ee17465e Mon Sep 17 00:00:00 2001 From: efdesign98 Date: Mon, 20 Jun 2011 19:56:06 -0700 Subject: Addition of Family12/SB900 wrapper code This change adds the wrapper code for the AMD Family12 cpus and the AMD Hudson-2 (SB900) southbridge to the cpu, northbridge and southbridge folders respectively. Change-Id: I22b6efe0017d0af03eaa36a1db1615e5f38da06c Signed-off-by: Frank Vibrans Signed-off-by: efdesign98 Reviewed-on: http://review.coreboot.org/53 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/northbridge/amd/agesa/family12/amdfam12_conf.c | 305 +++++++++++++++++++++ 1 file changed, 305 insertions(+) create mode 100755 src/northbridge/amd/agesa/family12/amdfam12_conf.c (limited to 'src/northbridge/amd/agesa/family12/amdfam12_conf.c') diff --git a/src/northbridge/amd/agesa/family12/amdfam12_conf.c b/src/northbridge/amd/agesa/family12/amdfam12_conf.c new file mode 100755 index 0000000000..6ec4da9c9f --- /dev/null +++ b/src/northbridge/amd/agesa/family12/amdfam12_conf.c @@ -0,0 +1,305 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 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 + */ + +/* + * No includes in this file because it is included into northbridge.c. + */ + +struct dram_base_mask_t { + u32 base; //[47:27] at [28:8] + u32 mask; //[47:27] at [28:8] and enable at bit 0 +}; + +static struct dram_base_mask_t get_dram_base_mask(u32 nodeid) +{ + device_t dev; + struct dram_base_mask_t d; +#if defined(__PRE_RAM__) + dev = PCI_DEV(CONFIG_CBB, CONFIG_CDB, 1); +#else + dev = __f1_dev[0]; +#endif // defined(__PRE_RAM__) + + u32 temp; + temp = pci_read_config32(dev, 0x44); //[39:24] at [31:16] + d.mask = (temp & 0xffff0000); // mask out DramMask [26:24] too + + temp = pci_read_config32(dev, 0x40); //[35:24] at [27:16] + d.mask |= (temp & 1); // read enable bit + + d.base = (temp & 0x0fff0000); // mask out DramBase [26:24) too + + return d; +} + +#if CONFIG_EXT_CONF_SUPPORT +static void set_addr_map_reg_4_6_in_one_node(u32 nodeid, u32 cfg_map_dest, + u32 busn_min, u32 busn_max, + u32 type) +{ + device_t dev; + u32 i; + u32 tempreg; + u32 index_min, index_max; + u32 dest_min, dest_max; + index_min = busn_min>>2; dest_min = busn_min - (index_min<<2); + index_max = busn_max>>2; dest_max = busn_max - (index_max<<2); + + // three case: index_min==index_max, index_min+1=index_max; index_min+11) { + tempreg = 0; + for(i=0; i<=3; i++) { + tempreg &= ~(0xff<<(i*8)); + tempreg |= (cfg_map_dest<<(i*8)); + } + for(i=index_min+1; i 3, We should use extend space + + if(io_min>io_max) return; + + // for nodeid at first + cfg_map_dest = (1<<7) | (1<<6) | (linkn<<0); + + set_addr_map_reg_4_6_in_one_node(nodeid, cfg_map_dest, io_min, io_max, 4); + + // all other nodes + cfg_map_dest = (1<<7) | (0<<6) | (nodeid<<0); + for(j = 0; j< nodes; j++) { + if(j== nodeid) continue; + set_addr_map_reg_4_6_in_one_node(j,cfg_map_dest, io_min, io_max, 4); + } +#endif // CONFIG_EXT_CONF_SUPPORT +} + + +static void clear_ht_c_io_addr_reg(u32 nodeid, u32 linkn, u32 ht_c_index, + u32 io_min, u32 io_max, u32 nodes) +{ + u32 i; + device_t dev; +#if CONFIG_EXT_CONF_SUPPORT + if(ht_c_index<4) { +#endif + /* io range allocation */ + for(i=0; i 3, We should use io_min, io_max to clear extend space + u32 cfg_map_dest; + u32 j; + + + // all nodes + cfg_map_dest = 0; + for(j = 0; j< nodes; j++) { + set_addr_map_reg_4_6_in_one_node(j,cfg_map_dest, io_min, io_max, 4); + } +#endif +} +#endif // defined(__PRE_RAM__) + +#if !defined(__PRE_RAM__) +static u32 get_io_addr_index(u32 nodeid, u32 linkn) +{ +#if 0 + 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; + } + } +#endif + return 0; +} + +static u32 get_mmio_addr_index(u32 nodeid, u32 linkn) +{ +#if 0 + 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; + } + } +#endif + + return 0; +} + +static void set_io_addr_reg(device_t dev, u32 nodeid, u32 linkn, u32 reg, + u32 io_min, u32 io_max) +{ + + u32 tempreg; +#if CONFIG_EXT_CONF_SUPPORT + if(reg!=0x110) { +#endif + /* io range allocation */ + tempreg = (nodeid&0xf) | ((nodeid & 0x30)<<(8-4)) | (linkn<<4) | ((io_max&0xf0)<<(12-4)); //limit + pci_write_config32(__f1_dev[0], 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 + pci_write_config32(__f1_dev[0], reg, tempreg); +#if CONFIG_EXT_CONF_SUPPORT + return; + } + + u32 cfg_map_dest; + u32 j; + // if ht_c_index > 3, We should use extend space + if(io_min>io_max) return; + // for nodeid at first + cfg_map_dest = (1<<7) | (1<<6) | (linkn<<0); + + set_addr_map_reg_4_6_in_one_node(nodeid, cfg_map_dest, io_min, io_max, 4); +#endif // CONFIG_EXT_CONF_SUPPORT +} + + +static void set_mmio_addr_reg(u32 nodeid, u32 linkn, u32 reg, u32 index, u32 mmio_min, u32 mmio_max, u32 nodes) +{ + + u32 tempreg; +#if CONFIG_EXT_CONF_SUPPORT + if(reg!=0x110) { +#endif + /* io range allocation */ + tempreg = (nodeid&0xf) | (linkn<<4) | (mmio_max&0xffffff00); //limit + pci_write_config32(__f1_dev[0], reg+4, tempreg); + tempreg = 3 | (nodeid & 0x30) | (mmio_min&0xffffff00); + pci_write_config32(__f1_dev[0], reg, tempreg); +#if CONFIG_EXT_CONF_SUPPORT + return; + } + + device_t dev; + u32 j; + // if ht_c_index > 3, We should use extend space + // for nodeid at first + u32 enable; + + if(mmio_min>mmio_max) { + return; + } + + enable = 1; + + dev = __f1_dev[nodeid]; + tempreg = ((mmio_min>>3) & 0x1fffff00)| (1<<6) | (linkn<<0); + pci_write_config32(dev, 0x110, index | (2<<28)); + pci_write_config32(dev, 0x114, tempreg); + + tempreg = ((mmio_max>>3) & 0x1fffff00) | enable; + pci_write_config32(dev, 0x110, index | (3<<28)); + pci_write_config32(dev, 0x114, tempreg); +#endif // CONFIG_EXT_CONF_SUPPORT +} + +#endif // !defined(__PRE_RAM__) -- cgit v1.2.3