diff options
Diffstat (limited to 'src/northbridge/amd/amdfam10')
-rw-r--r-- | src/northbridge/amd/amdfam10/conf.c | 400 | ||||
-rw-r--r-- | src/northbridge/amd/amdfam10/northbridge.c | 34 | ||||
-rw-r--r-- | src/northbridge/amd/amdfam10/reset_test.c | 25 |
3 files changed, 70 insertions, 389 deletions
diff --git a/src/northbridge/amd/amdfam10/conf.c b/src/northbridge/amd/amdfam10/conf.c index 4dc8480413..6688e0addb 100644 --- a/src/northbridge/amd/amdfam10/conf.c +++ b/src/northbridge/amd/amdfam10/conf.c @@ -38,13 +38,6 @@ static struct dram_base_mask_t get_dram_base_mask(u32 nodeid) dev = __f1_dev[0]; #endif -#if CONFIG_EXT_CONF_SUPPORT - // I will use ext space only for simple - pci_write_config32(dev, 0x110, nodeid | (1<<28)); // [47:27] at [28:8] - d.mask = pci_read_config32(dev, 0x114); // enable is bit 0 - pci_write_config32(dev, 0x110, nodeid | (0<<28)); - d.base = pci_read_config32(dev, 0x114) & 0x1fffff00; //[47:27] at [28:8]; -#else 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 @@ -57,7 +50,6 @@ static struct dram_base_mask_t get_dram_base_mask(u32 nodeid) 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; -#endif return d; } @@ -66,15 +58,6 @@ static void set_dram_base_mask(u32 nodeid, struct dram_base_mask_t d, u32 nodes) { u32 i; device_t dev; -#if CONFIG_EXT_CONF_SUPPORT - // I will use ext space only for simple - u32 d_base_i, d_base_d, d_mask_i, d_mask_d; - d_base_i = nodeid | (0<<28); - d_base_d = d.base | nodeid; //[47:27] at [28:8]; - d_mask_i = nodeid | (1<<28); // [47:27] at [28:8] - d_mask_d = d.mask; // enable is bit 0 - -#else u32 d_base_lo, d_base_hi, d_mask_lo, d_mask_hi; u32 d_base_lo_reg, d_base_hi_reg, d_mask_lo_reg, d_mask_hi_reg; d_mask_lo = (((d.mask<<(8+3))|(0x07<<16)) & 0xffff0000)|nodeid; // need to fill DramMask[26:24] with ones @@ -86,7 +69,6 @@ static void set_dram_base_mask(u32 nodeid, struct dram_base_mask_t d, u32 nodes) d_mask_hi_reg = 0x144+(nodeid<<3); d_base_lo_reg = 0x40+(nodeid<<3); d_base_hi_reg = 0x140+(nodeid<<3); -#endif for (i=0;i<nodes;i++) { #if defined(__PRE_RAM__) @@ -94,19 +76,10 @@ static void set_dram_base_mask(u32 nodeid, struct dram_base_mask_t d, u32 nodes) #else dev = __f1_dev[i]; #endif - -#if CONFIG_EXT_CONF_SUPPORT - // I will use ext space only for simple - pci_write_config32(dev, 0x110, d_base_i); - pci_write_config32(dev, 0x114, d_base_d); //[47:27] at [28:8]; - pci_write_config32(dev, 0x110, d_mask_i); // [47:27] at [28:8] - pci_write_config32(dev, 0x114, d_mask_d); // enable is bit 0 -#else pci_write_config32(dev, d_mask_lo_reg, d_mask_lo); // need to fill DramMask[26:24] with ones pci_write_config32(dev, d_mask_hi_reg, d_mask_hi); pci_write_config32(dev, d_base_lo_reg, d_base_lo); pci_write_config32(dev, d_base_hi_reg, d_base_hi); -#endif } #if defined(__PRE_RAM__) @@ -321,67 +294,6 @@ static u32 hoist_memory(u32 hole_startk, u32 i, u32 one_DCT, u32 nodes) #endif // CONFIG_AMDMCT -#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+1<index_max -#if defined(__PRE_RAM__) - dev = NODE_PCI(nodeid, 1); -#else - dev = __f1_dev[nodeid]; -#endif - if (index_min== index_max) { - pci_write_config32(dev, 0x110, index_min | (type<<28)); - tempreg = pci_read_config32(dev, 0x114); - for (i=dest_min; i<=dest_max; i++) { - tempreg &= ~(0xff<<(i*8)); - tempreg |= (cfg_map_dest<<(i*8)); - } - pci_write_config32(dev, 0x110, index_min | (type<<28)); // do i need to write it again - pci_write_config32(dev, 0x114, tempreg); - } else if (index_min<index_max) { - pci_write_config32(dev, 0x110, index_min | (type<<28)); - tempreg = pci_read_config32(dev, 0x114); - for (i=dest_min; i<=3; i++) { - tempreg &= ~(0xff<<(i*8)); - tempreg |= (cfg_map_dest<<(i*8)); - } - pci_write_config32(dev, 0x110, index_min | (type<<28)); // do i need to write it again - pci_write_config32(dev, 0x114, tempreg); - - pci_write_config32(dev, 0x110, index_max | (type<<28)); - tempreg = pci_read_config32(dev, 0x114); - for (i=0; i<=dest_max; i++) { - tempreg &= ~(0xff<<(i*8)); - tempreg |= (cfg_map_dest<<(i*8)); - } - pci_write_config32(dev, 0x110, index_max | (type<<28)); // do i need to write it again - pci_write_config32(dev, 0x114, tempreg); - if ((index_max-index_min)>1) { - tempreg = 0; - for (i=0; i<=3; i++) { - tempreg &= ~(0xff<<(i*8)); - tempreg |= (cfg_map_dest<<(i*8)); - } - for (i=index_min+1; i<index_max;i++) { - pci_write_config32(dev, 0x110, i | (type<<28)); - pci_write_config32(dev, 0x114, tempreg); - } - } - } -} -#endif - static void set_config_map_reg(u32 nodeid, u32 linkn, u32 ht_c_index, u32 busn_min, u32 busn_max, u32 segbit, u32 nodes) @@ -393,39 +305,15 @@ static void set_config_map_reg(u32 nodeid, u32 linkn, u32 ht_c_index, busn_min>>=segbit; busn_max>>=segbit; -#if CONFIG_EXT_CONF_SUPPORT - if (ht_c_index < 4) { -#endif - 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++) { - #if defined(__PRE_RAM__) - dev = NODE_PCI(i, 1); - #else - dev = __f1_dev[i]; - #endif - pci_write_config32(dev, 0xe0 + ht_c_index * 4, tempreg); - } -#if CONFIG_EXT_CONF_SUPPORT - - return; - } - - // if ht_c_index > 3, We should use extend space x114_x6 - u32 cfg_map_dest; - u32 j; - - // 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, busn_min, busn_max, 6); - - // 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, busn_min, busn_max, 6); + 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++) { + #if defined(__PRE_RAM__) + dev = NODE_PCI(i, 1); + #else + dev = __f1_dev[i]; + #endif + pci_write_config32(dev, 0xe0 + ht_c_index * 4, tempreg); } -#endif } static void clear_config_map_reg(u32 nodeid, u32 linkn, u32 ht_c_index, @@ -434,33 +322,14 @@ static void clear_config_map_reg(u32 nodeid, u32 linkn, u32 ht_c_index, u32 i; device_t dev; -#if CONFIG_EXT_CONF_SUPPORT - if (ht_c_index<4) { -#endif - for (i=0; i<nodes; i++) { - #if defined(__PRE_RAM__) - dev = NODE_PCI(i, 1); - #else - dev = __f1_dev[i]; - #endif - pci_write_config32(dev, 0xe0 + ht_c_index * 4, 0); - } -#if CONFIG_EXT_CONF_SUPPORT - return; - } - - // if hc_c_index >3, We should use busn_min and busn_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, busn_min, busn_max, 6); + for (i=0; i<nodes; i++) { + #if defined(__PRE_RAM__) + dev = NODE_PCI(i, 1); + #else + dev = __f1_dev[i]; + #endif + pci_write_config32(dev, 0xe0 + ht_c_index * 4, 0); } -#endif - } #if CONFIG_PCI_BUS_SEGN_BITS @@ -493,51 +362,25 @@ static void set_ht_c_io_addr_reg(u32 nodeid, u32 linkn, u32 ht_c_index, u32 tempreg; device_t dev; -#if CONFIG_EXT_CONF_SUPPORT - if (ht_c_index<4) { -#endif - /* io range allocation */ - tempreg = (nodeid&0xf) | ((nodeid & 0x30)<<(8-4)) | (linkn<<4) | ((io_max&0xf0)<<(12-4)); //limit - for (i=0; i<nodes; i++) { - #if defined(__PRE_RAM__) - dev = NODE_PCI(i, 1); - #else - dev = __f1_dev[i]; - #endif - pci_write_config32(dev, 0xC4 + ht_c_index * 8, tempreg); - } - tempreg = 3 /*| ( 3<<4)*/ | ((io_min&0xf0)<<(12-4)); //base :ISA and VGA ? - for (i=0; i<nodes; i++) { - #if defined(__PRE_RAM__) - dev = NODE_PCI(i, 1); - #else - dev = __f1_dev[i]; - #endif - pci_write_config32(dev, 0xC0 + ht_c_index * 8, tempreg); - } -#if CONFIG_EXT_CONF_SUPPORT - return; + /* io range allocation */ + tempreg = (nodeid&0xf) | ((nodeid & 0x30)<<(8-4)) | (linkn<<4) | ((io_max&0xf0)<<(12-4)); //limit + for (i=0; i<nodes; i++) { + #if defined(__PRE_RAM__) + dev = NODE_PCI(i, 1); + #else + dev = __f1_dev[i]; + #endif + pci_write_config32(dev, 0xC4 + ht_c_index * 8, tempreg); } - - 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); - - // 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); + tempreg = 3 /*| ( 3<<4)*/ | ((io_min&0xf0)<<(12-4)); //base :ISA and VGA ? + for (i=0; i<nodes; i++) { + #if defined(__PRE_RAM__) + dev = NODE_PCI(i, 1); + #else + dev = __f1_dev[i]; + #endif + pci_write_config32(dev, 0xC0 + ht_c_index * 8, tempreg); } -#endif } @@ -546,33 +389,16 @@ static void clear_ht_c_io_addr_reg(u32 nodeid, u32 linkn, u32 ht_c_index, { u32 i; device_t dev; -#if CONFIG_EXT_CONF_SUPPORT - if (ht_c_index<4) { -#endif - /* io range allocation */ - for (i=0; i<nodes; i++) { - #if defined(__PRE_RAM__) - dev = NODE_PCI(i, 1); - #else - dev = __f1_dev[i]; - #endif - pci_write_config32(dev, 0xC4 + ht_c_index * 8, 0); - pci_write_config32(dev, 0xC0 + ht_c_index * 8, 0); - } -#if CONFIG_EXT_CONF_SUPPORT - return; - } - // : if hc_c_index > 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); + /* io range allocation */ + for (i=0; i<nodes; i++) { + #if defined(__PRE_RAM__) + dev = NODE_PCI(i, 1); + #else + dev = __f1_dev[i]; + #endif + pci_write_config32(dev, 0xC4 + ht_c_index * 8, 0); + pci_write_config32(dev, 0xC0 + ht_c_index * 8, 0); } -#endif } #endif @@ -597,13 +423,6 @@ static void re_set_all_config_map_reg(u32 nodes, u32 segbit, pci_write_config32(dev, 0xe0 + ht_c_index * 4, 0); } } -#if CONFIG_EXT_CONF_SUPPORT - u32 j; - // clear the extend space - for (j = 0; j< nodes; j++) { - set_addr_map_reg_4_6_in_one_node(j,0, 0, 0xff, 6); - } -#endif for (ht_c_index = 1; ht_c_index<sysinfo->ht_c_num; ht_c_index++) { u32 nodeid, linkn; @@ -717,16 +536,9 @@ static void store_conf_io_addr(u32 nodeid, u32 linkn, u32 reg, u32 index, u32 io_min, u32 io_max) { u32 val; -#if CONFIG_EXT_CONF_SUPPORT - if (reg!=0x110) { -#endif - /* io range allocation */ - index = (reg-0xc0)>>3; -#if CONFIG_EXT_CONF_SUPPORT - } else { - index+=4; - } -#endif + + /* 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 @@ -742,16 +554,9 @@ static void store_conf_mmio_addr(u32 nodeid, u32 linkn, u32 reg, u32 index, u32 mmio_min, u32 mmio_max) { u32 val; -#if CONFIG_EXT_CONF_SUPPORT - if (reg!=0x110) { -#endif - /* io range allocation */ - index = (reg-0x80)>>3; -#if CONFIG_EXT_CONF_SUPPORT - } else { - index+=8; - } -#endif + + /* 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 @@ -768,107 +573,40 @@ static void set_io_addr_reg(device_t dev, u32 nodeid, u32 linkn, u32 reg, { u32 i; 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 - 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 ? + /* 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); -#if CONFIG_EXT_CONF_SUPPORT - return; + // 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; } - - 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); - - // all other nodes - cfg_map_dest = (1<<7) | (0<<6) | (nodeid<<0); - for (j = 0; j< sysconf.nodes; j++) { - if (j== nodeid) continue; - set_addr_map_reg_4_6_in_one_node(j,cfg_map_dest, io_min, io_max, 4); + 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); } static 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; -#if CONFIG_EXT_CONF_SUPPORT - if (reg!=0x110) { -#endif - /* 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); -#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); - - - // all other nodes - tempreg = ((mmio_min>>3) & 0x1fffff00) | (0<<6) | (nodeid<<0); - for (j = 0; j< sysconf.nodes; j++) { - if (j== nodeid) continue; - dev = __f1_dev[j]; - pci_write_config32(dev, 0x110, index | (2<<28)); - pci_write_config32(dev, 0x114, tempreg); - } - - tempreg = ((mmio_max>>3) & 0x1fffff00) | enable; - for (j = 0; j< sysconf.nodes; j++) { - if (j==nodeid) continue; - dev = __f1_dev[j]; - pci_write_config32(dev, 0x110, index | (3<<28)); - pci_write_config32(dev, 0x114, tempreg); - } -#endif + /* 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); } #endif diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c index b28169ec25..a8a8155f30 100644 --- a/src/northbridge/amd/amdfam10/northbridge.c +++ b/src/northbridge/amd/amdfam10/northbridge.c @@ -191,9 +191,7 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, struct bus *link, u32 l */ ht_c_index = get_ht_c_index(nodeid, link_num, &sysconf); -#if !CONFIG_EXT_CONF_SUPPORT if(ht_c_index>=4) return max; -#endif /* Set up the primary, secondary and subordinate bus numbers. * We have no idea how many busses are behind this bridge yet, @@ -433,13 +431,7 @@ static void amdfam10_link_read_bases(device_t dev, u32 nodeid, u32 link) resource = amdfam10_find_iopair(dev, nodeid, link); if (resource) { u32 align; -#if CONFIG_EXT_CONF_SUPPORT - if((resource->index & 0x1fff) == 0x1110) { // ext - align = 8; - } - else -#endif - align = log2(HT_IO_HOST_ALIGN); + align = log2(HT_IO_HOST_ALIGN); resource->base = 0; resource->size = 0; resource->align = align; @@ -458,13 +450,6 @@ static void amdfam10_link_read_bases(device_t dev, u32 nodeid, u32 link) resource->limit = 0xffffffffffULL; resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH; resource->flags |= IORESOURCE_BRIDGE; - -#if CONFIG_EXT_CONF_SUPPORT - if((resource->index & 0x1fff) == 0x1110) { // ext - normalize_resource(resource); - } -#endif - } /* Initialize the memory constraints on the current bus */ @@ -476,11 +461,6 @@ static void amdfam10_link_read_bases(device_t dev, u32 nodeid, u32 link) resource->gran = log2(HT_MEM_HOST_ALIGN); resource->limit = 0xffffffffffULL; resource->flags = IORESOURCE_MEM | IORESOURCE_BRIDGE; -#if CONFIG_EXT_CONF_SUPPORT - if((resource->index & 0x1fff) == 0x1110) { // ext - normalize_resource(resource); - } -#endif } } @@ -1100,18 +1080,6 @@ static u32 amdfam10_domain_scan_bus(device_t dev, u32 max) for(reg = 0xe0; reg <= 0xec; reg += 4) { f1_write_config32(reg, 0); } -#if CONFIG_EXT_CONF_SUPPORT - // all nodes - for(i = 0; i< sysconf.nodes; i++) { - int index; - for(index = 0; index < 64; index++) { - pci_write_config32(__f1_dev[i], 0x110, index | (6<<28)); - pci_write_config32(__f1_dev[i], 0x114, 0); - } - - } -#endif - for(link = dev->link_list; link; link = link->next) { max = pci_scan_bus(link, PCI_DEVFN(CONFIG_CDB, 0), 0xff, max); diff --git a/src/northbridge/amd/amdfam10/reset_test.c b/src/northbridge/amd/amdfam10/reset_test.c index b4a44ea33e..cdb663263f 100644 --- a/src/northbridge/amd/amdfam10/reset_test.c +++ b/src/northbridge/amd/amdfam10/reset_test.c @@ -127,31 +127,6 @@ static u8 node_link_to_bus(u8 node, u8 link) // node are 6 bit, and link three b } } -#if CONFIG_EXT_CONF_SUPPORT - // let's check that in extend space - // use the nodeid extend space to find out the bus for the linkn - u32 tempreg; - int i; - int j; - u32 cfg_map_dest; - pci_devfn_t dev; - - cfg_map_dest = (1<<7)|(1<<6)|link; - - // three case: index_min==index_max, index_min+1=index_max; index_min+1<index_max - dev = NODE_PCI(node, 1); - for(j=0; j<64; j++) { - pci_io_write_config32(dev, 0x110, j | (6<<28)); - tempreg = pci_io_read_config32(dev, 0x114); - for(i=0; i<=3; i++) { - tempreg >>= (i*8); - if((tempreg & ((1<<7)|(1<<6)|0x3f)) == cfg_map_dest) { - return (i+(j<<2)); //busn_min - } - } - } -#endif - return 0; } |