| /* |
| * 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. |
| */ |
| |
| #include <console/console.h> |
| #include <arch/io.h> |
| #include <stdint.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <device/hypertransport.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <lib.h> |
| #include <cpu/cpu.h> |
| #include <cpu/x86/lapic.h> |
| #include <cbmem.h> |
| |
| #if CONFIG_LOGICAL_CPUS |
| #include <pc80/mc146818rtc.h> |
| #endif |
| |
| #include <cpu/amd/amdfam10_sysconf.h> |
| #include <Porting.h> |
| #include <AGESA.h> |
| #include <Options.h> |
| #include "amdfam10.h" |
| |
| extern uint32_t agesawrapper_amdinitmid(void); |
| |
| typedef struct amdfam10_sysconf_t sys_info_conf_t; |
| typedef struct dram_base_mask { |
| u32 base; //[47:27] at [28:8] |
| u32 mask; //[47:27] at [28:8] and enable at bit 0 |
| } dram_base_mask_t; |
| |
| |
| struct amdfam10_sysconf_t sysconf; |
| static device_t __f0_dev[NODE_NUMS]; |
| static device_t __f1_dev[NODE_NUMS]; |
| static device_t __f2_dev[NODE_NUMS]; |
| static device_t __f4_dev[NODE_NUMS]; |
| static unsigned fx_devs = 0; |
| |
| static dram_base_mask_t get_dram_base_mask(u32 nodeid) |
| { |
| device_t dev; |
| dram_base_mask_t d; |
| 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; |
| } |
| |
| #if CONFIG_PCI_BUS_SEGN_BITS |
| static 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 |
| |
| static 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; |
| |
| } |
| |
| static 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; |
| } |
| |
| static 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; |
| } |
| |
| static 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; |
| } |
| |
| static 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); |
| } |
| |
| 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; |
| |
| /* 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); |
| } |
| |
| static device_t get_node_pci(u32 nodeid, u32 fn) |
| { |
| #if NODE_NUMS + CONFIG_CDB >= 32 |
| if ((CONFIG_CDB + nodeid) < 32) { |
| return dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB + nodeid, fn)); |
| } else { |
| return dev_find_slot(CONFIG_CBB-1, PCI_DEVFN(CONFIG_CDB + nodeid - 32, fn)); |
| } |
| |
| #else |
| return dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB + nodeid, fn)); |
| #endif |
| } |
| |
| static unsigned int read_nb_cfg_54(void) |
| { |
| msr_t msr; |
| msr = rdmsr(NB_CFG_MSR); |
| return ((msr.hi >> (54-32)) & 1); |
| } |
| |
| static void get_fx_devs(void) |
| { |
| int i; |
| for (i = 0; i < NODE_NUMS; i++) { |
| __f0_dev[i] = get_node_pci(i, 0); |
| __f1_dev[i] = get_node_pci(i, 1); |
| __f2_dev[i] = get_node_pci(i, 2); |
| __f4_dev[i] = get_node_pci(i, 4); |
| if (__f0_dev[i] != NULL && __f1_dev[i] != NULL) |
| fx_devs = i+1; |
| } |
| if (__f1_dev[0] == NULL || __f0_dev[0] == NULL || fx_devs == 0) { |
| die("Cannot find 0:0x18.[0|1]\n"); |
| } |
| } |
| |
| static u32 f1_read_config32(unsigned reg) |
| { |
| if (fx_devs == 0) |
| get_fx_devs(); |
| return pci_read_config32(__f1_dev[0], reg); |
| } |
| |
| static void f1_write_config32(unsigned reg, u32 value) |
| { |
| int i; |
| if (fx_devs == 0) |
| get_fx_devs(); |
| for (i = 0; i < fx_devs; i++) { |
| device_t dev; |
| dev = __f1_dev[i]; |
| if (dev && dev->enabled) { |
| pci_write_config32(dev, reg, value); |
| } |
| } |
| } |
| |
| static u32 amdfam10_nodeid(device_t dev) |
| { |
| #if NODE_NUMS == 64 |
| unsigned busn; |
| busn = dev->bus->secondary; |
| if (busn != CONFIG_CBB) { |
| return (dev->path.pci.devfn >> 3) - CONFIG_CDB + 32; |
| } else { |
| return (dev->path.pci.devfn >> 3) - CONFIG_CDB; |
| } |
| |
| #else |
| return (dev->path.pci.devfn >> 3) - CONFIG_CDB; |
| #endif |
| } |
| |
| static void set_vga_enable_reg(u32 nodeid, u32 linkn) |
| { |
| u32 val; |
| |
| val = 1 | (nodeid<<4) | (linkn<<12); |
| /* it will routing (1)mmio 0xa0000:0xbffff (2) io 0x3b0:0x3bb, |
| 0x3c0:0x3df */ |
| f1_write_config32(0xf4, val); |
| |
| } |
| |
| static int reg_useable(unsigned reg, device_t goal_dev, unsigned goal_nodeid, |
| unsigned goal_link) |
| { |
| struct resource *res; |
| unsigned nodeid, link = 0; |
| int result; |
| res = 0; |
| for (nodeid = 0; !res && (nodeid < fx_devs); nodeid++) { |
| device_t dev; |
| dev = __f0_dev[nodeid]; |
| if (!dev) |
| continue; |
| for (link = 0; !res && (link < 8); link++) { |
| res = probe_resource(dev, IOINDEX(0x1000 + reg, link)); |
| } |
| } |
| result = 2; |
| if (res) { |
| result = 0; |
| if ( (goal_link == (link - 1)) && |
| (goal_nodeid == (nodeid - 1)) && |
| (res->flags <= 1)) { |
| result = 1; |
| } |
| } |
| return result; |
| } |
| |
| static struct resource *amdfam10_find_iopair(device_t dev, unsigned nodeid, unsigned link) |
| { |
| struct resource *resource; |
| u32 free_reg, reg; |
| resource = 0; |
| free_reg = 0; |
| |
| for (reg = 0xc0; reg <= 0xd8; reg += 0x8) { |
| int result; |
| result = reg_useable(reg, dev, nodeid, link); |
| if (result == 1) { |
| /* I have been allocated this one */ |
| break; |
| } |
| else if (result > 1) { |
| /* I have a free register pair */ |
| free_reg = reg; |
| } |
| } |
| if (reg > 0xd8) { |
| reg = free_reg; // if no free, the free_reg still be 0 |
| } |
| |
| //Ext conf space |
| if (!reg) { |
| //because of Extend conf space, we will never run out of reg, but we need one index to differ them. so same node and same link can have multi range |
| u32 index = get_io_addr_index(nodeid, link); |
| reg = 0x110+ (index<<24) + (4<<20); // index could be 0, 255 |
| } |
| |
| resource = new_resource(dev, IOINDEX(0x1000 + reg, link)); |
| |
| return resource; |
| } |
| |
| static struct resource *amdfam10_find_mempair(device_t dev, u32 nodeid, u32 link) |
| { |
| struct resource *resource; |
| u32 free_reg, reg; |
| resource = 0; |
| free_reg = 0; |
| |
| for (reg = 0x80; reg <= 0xb8; reg += 0x8) { |
| int result; |
| result = reg_useable(reg, dev, nodeid, link); |
| if (result == 1) { |
| /* I have been allocated this one */ |
| break; |
| } |
| else if (result > 1) { |
| /* I have a free register pair */ |
| free_reg = reg; |
| } |
| } |
| if (reg > 0xb8) { |
| reg = free_reg; |
| } |
| |
| //Ext conf space |
| if (!reg) { |
| //because of Extend conf space, we will never run out of reg, |
| // but we need one index to differ them. so same node and |
| // same link can have multi range |
| u32 index = get_mmio_addr_index(nodeid, link); |
| reg = 0x110+ (index<<24) + (6<<20); // index could be 0, 63 |
| |
| } |
| resource = new_resource(dev, IOINDEX(0x1000 + reg, link)); |
| return resource; |
| } |
| |
| static void amdfam10_link_read_bases(device_t dev, u32 nodeid, u32 link) |
| { |
| struct resource *resource; |
| |
| /* Initialize the io space constraints on the current bus */ |
| resource = amdfam10_find_iopair(dev, nodeid, link); |
| if (resource) { |
| u32 align; |
| align = log2(HT_IO_HOST_ALIGN); |
| resource->base = 0; |
| resource->size = 0; |
| resource->align = align; |
| resource->gran = align; |
| resource->limit = 0xffffUL; |
| resource->flags = IORESOURCE_IO | IORESOURCE_BRIDGE; |
| } |
| |
| /* Initialize the prefetchable memory constraints on the current bus */ |
| resource = amdfam10_find_mempair(dev, nodeid, link); |
| if (resource) { |
| resource->base = 0; |
| resource->size = 0; |
| resource->align = log2(HT_MEM_HOST_ALIGN); |
| resource->gran = log2(HT_MEM_HOST_ALIGN); |
| resource->limit = 0xffffffffffULL; |
| resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH; |
| resource->flags |= IORESOURCE_BRIDGE; |
| } |
| |
| /* Initialize the memory constraints on the current bus */ |
| resource = amdfam10_find_mempair(dev, nodeid, link); |
| if (resource) { |
| resource->base = 0; |
| resource->size = 0; |
| resource->align = log2(HT_MEM_HOST_ALIGN); |
| resource->gran = log2(HT_MEM_HOST_ALIGN); |
| resource->limit = 0xffffffffffULL; |
| resource->flags = IORESOURCE_MEM | IORESOURCE_BRIDGE; |
| } |
| } |
| |
| static void amdfam10_read_resources(device_t dev) |
| { |
| u32 nodeid; |
| struct bus *link; |
| nodeid = amdfam10_nodeid(dev); |
| for (link = dev->link_list; link; link = link->next) { |
| if (link->children) { |
| amdfam10_link_read_bases(dev, nodeid, link->link_num); |
| } |
| } |
| } |
| |
| static void amdfam10_set_resource(device_t dev, struct resource *resource, |
| u32 nodeid) |
| { |
| resource_t rbase, rend; |
| unsigned reg, link_num; |
| char buf[50]; |
| |
| /* Make certain the resource has actually been set */ |
| if (!(resource->flags & IORESOURCE_ASSIGNED)) { |
| return; |
| } |
| |
| /* If I have already stored this resource don't worry about it */ |
| if (resource->flags & IORESOURCE_STORED) { |
| return; |
| } |
| |
| /* Only handle PCI memory and IO resources */ |
| if (!(resource->flags & (IORESOURCE_MEM | IORESOURCE_IO))) |
| return; |
| |
| /* Ensure I am actually looking at a resource of function 1 */ |
| if ((resource->index & 0xffff) < 0x1000) { |
| return; |
| } |
| /* Get the base address */ |
| rbase = resource->base; |
| |
| /* Get the limit (rounded up) */ |
| rend = resource_end(resource); |
| |
| /* Get the register and link */ |
| reg = resource->index & 0xfff; // 4k |
| link_num = IOINDEX_LINK(resource->index); |
| |
| if (resource->flags & IORESOURCE_IO) { |
| |
| set_io_addr_reg(dev, nodeid, link_num, reg, rbase>>8, rend>>8); |
| store_conf_io_addr(nodeid, link_num, reg, (resource->index >> 24), rbase>>8, rend>>8); |
| } |
| else if (resource->flags & IORESOURCE_MEM) { |
| set_mmio_addr_reg(nodeid, link_num, reg, (resource->index >>24), rbase>>8, rend>>8, sysconf.nodes) ;// [39:8] |
| store_conf_mmio_addr(nodeid, link_num, reg, (resource->index >>24), rbase>>8, rend>>8); |
| } |
| resource->flags |= IORESOURCE_STORED; |
| snprintf(buf, sizeof(buf), " <node %x link %x>", |
| nodeid, link_num); |
| report_resource_stored(dev, resource, buf); |
| } |
| |
| /** |
| * I tried to reuse the resource allocation code in amdfam10_set_resource() |
| * but it is too difficult to deal with the resource allocation magic. |
| */ |
| |
| static void amdfam10_create_vga_resource(device_t dev, unsigned nodeid) |
| { |
| struct bus *link; |
| |
| /* find out which link the VGA card is connected, |
| * we only deal with the 'first' vga card */ |
| for (link = dev->link_list; link; link = link->next) { |
| if (link->bridge_ctrl & PCI_BRIDGE_CTL_VGA) { |
| #if CONFIG_MULTIPLE_VGA_ADAPTERS |
| extern device_t vga_pri; // the primary vga device, defined in device.c |
| printk(BIOS_DEBUG, "VGA: vga_pri bus num = %d bus range [%d,%d]\n", vga_pri->bus->secondary, |
| link->secondary,link->subordinate); |
| /* We need to make sure the vga_pri is under the link */ |
| if ((vga_pri->bus->secondary >= link->secondary) && |
| (vga_pri->bus->secondary <= link->subordinate)) |
| #endif |
| break; |
| } |
| } |
| |
| /* no VGA card installed */ |
| if (link == NULL) |
| return; |
| |
| printk(BIOS_DEBUG, "VGA: %s (aka node %d) link %d has VGA device\n", dev_path(dev), nodeid, link->link_num); |
| set_vga_enable_reg(nodeid, link->link_num); |
| } |
| |
| static void amdfam10_set_resources(device_t dev) |
| { |
| unsigned nodeid; |
| struct bus *bus; |
| struct resource *res; |
| |
| /* Find the nodeid */ |
| nodeid = amdfam10_nodeid(dev); |
| |
| amdfam10_create_vga_resource(dev, nodeid); |
| |
| /* Set each resource we have found */ |
| for (res = dev->resource_list; res; res = res->next) { |
| amdfam10_set_resource(dev, res, nodeid); |
| } |
| |
| for (bus = dev->link_list; bus; bus = bus->next) { |
| if (bus->children) { |
| assign_resources(bus); |
| } |
| } |
| } |
| |
| static void mcf0_control_init(struct device *dev) |
| { |
| } |
| |
| static void amdfam10_scan_chains(device_t dev) |
| { |
| unsigned nodeid; |
| struct bus *link; |
| unsigned sblink = sysconf.sblk; |
| device_t io_hub = NULL; |
| u32 next_unitid = 0xff; |
| |
| nodeid = amdfam10_nodeid(dev); |
| if (nodeid == 0) { |
| ASSERT(dev->bus->secondary == 0); |
| for (link = dev->link_list; link; link = link->next) { |
| if (link->link_num == sblink) { /* devicetree put IO Hub on link_lsit[3] */ |
| io_hub = link->children; |
| if (!io_hub || !io_hub->enabled) { |
| die("I can't find the IO Hub, or IO Hub not enabled, please check the device tree.\n"); |
| } |
| /* Now that nothing is overlapping it is safe to scan the children. */ |
| pci_scan_bus(link, 0x00, ((next_unitid - 1) << 3) | 7); |
| } |
| } |
| max = dev->bus->subordinate; |
| } |
| } |
| |
| static struct device_operations northbridge_operations = { |
| .read_resources = amdfam10_read_resources, |
| .set_resources = amdfam10_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = mcf0_control_init, |
| .scan_bus = amdfam10_scan_chains, |
| .enable = 0, |
| .ops_pci = 0, |
| }; |
| |
| static const struct pci_driver mcf0_driver __pci_driver = { |
| .ops = &northbridge_operations, |
| .vendor = PCI_VENDOR_ID_AMD, |
| .device = 0x1200, |
| }; |
| |
| struct chip_operations northbridge_amd_agesa_family10_ops = { |
| CHIP_NAME("AMD FAM10 Northbridge") |
| .enable_dev = 0, |
| }; |
| |
| |
| static void amdfam10_domain_read_resources(device_t dev) |
| { |
| unsigned reg; |
| |
| /* Find the already assigned resource pairs */ |
| get_fx_devs(); |
| for (reg = 0x80; reg <= 0xd8; reg+= 0x08) { |
| u32 base, limit; |
| base = f1_read_config32(reg); |
| limit = f1_read_config32(reg + 0x04); |
| /* Is this register allocated? */ |
| if ((base & 3) != 0) { |
| unsigned nodeid, reg_link; |
| device_t reg_dev; |
| if (reg < 0xc0) { // mmio |
| nodeid = (limit & 0xf) + (base&0x30); |
| } else { // io |
| nodeid = (limit & 0xf) + ((base>>4)&0x30); |
| } |
| reg_link = (limit >> 4) & 7; |
| reg_dev = __f0_dev[nodeid]; |
| if (reg_dev) { |
| /* Reserve the resource */ |
| struct resource *res; |
| res = new_resource(reg_dev, IOINDEX(0x1000 + reg, reg_link)); |
| if (res) { |
| res->flags = 1; |
| } |
| } |
| } |
| } |
| /* FIXME: do we need to check extend conf space? |
| I don't believe that much preset value */ |
| |
| pci_domain_read_resources(dev); |
| } |
| |
| static void amdfam10_domain_enable_resources(device_t dev) |
| { |
| /* Must be called after PCI enumeration and resource allocation */ |
| printk(BIOS_DEBUG, "\nFam10 - %s: AmdInitMid.\n", __func__); |
| agesawrapper_amdinitmid(); |
| printk(BIOS_DEBUG, " ader - leaving %s.\n", __func__); |
| } |
| |
| |
| static u32 my_find_pci_tolm(struct bus *bus, u32 tolm) |
| { |
| struct resource *min; |
| min = 0; |
| search_bus_resources(bus, IORESOURCE_MEM, IORESOURCE_MEM, tolm_test, &min); |
| if (min && tolm > min->base) { |
| tolm = min->base; |
| } |
| return tolm; |
| } |
| |
| #if CONFIG_HW_MEM_HOLE_SIZEK != 0 |
| struct hw_mem_hole_info { |
| unsigned hole_startk; |
| int node_id; |
| }; |
| |
| static struct hw_mem_hole_info get_hw_mem_hole_info(void) |
| { |
| struct hw_mem_hole_info mem_hole; |
| int i; |
| |
| mem_hole.hole_startk = CONFIG_HW_MEM_HOLE_SIZEK; |
| mem_hole.node_id = -1; |
| |
| for (i = 0; i < sysconf.nodes; i++) { |
| dram_base_mask_t d; |
| u32 hole; |
| d = get_dram_base_mask(i); |
| if (!(d.mask & 1)) continue; // no memory on this node |
| |
| hole = pci_read_config32(__f1_dev[i], 0xf0); |
| if (hole & 1) { // we find the hole |
| mem_hole.hole_startk = (hole & (0xff<<24)) >> 10; |
| mem_hole.node_id = i; // record the node No with hole |
| break; // only one hole |
| } |
| } |
| |
| /* We need to double check if there is special set on base reg and limit reg |
| * are not continuous instead of hole, it will find out its hole_startk. |
| */ |
| if (mem_hole.node_id == -1) { |
| resource_t limitk_pri = 0; |
| for (i = 0; i < sysconf.nodes; i++) { |
| dram_base_mask_t d; |
| resource_t base_k, limit_k; |
| d = get_dram_base_mask(i); |
| if (!(d.base & 1)) continue; |
| |
| base_k = ((resource_t)(d.base & 0x1fffff00)) <<9; |
| if (base_k > 4 *1024 * 1024) break; // don't need to go to check |
| if (limitk_pri != base_k) { // we find the hole |
| mem_hole.hole_startk = (unsigned)limitk_pri; // must beblow 4G |
| mem_hole.node_id = i; |
| break; //only one hole |
| } |
| |
| limit_k = ((resource_t)((d.mask + 0x00000100) & 0x1fffff00)) << 9; |
| limitk_pri = limit_k; |
| } |
| } |
| return mem_hole; |
| } |
| #endif |
| |
| static void amdfam10_domain_set_resources(device_t dev) |
| { |
| unsigned long mmio_basek; |
| u32 pci_tolm; |
| u64 ramtop = 0; |
| int i, idx; |
| struct bus *link; |
| #if CONFIG_HW_MEM_HOLE_SIZEK != 0 |
| struct hw_mem_hole_info mem_hole; |
| u32 reset_memhole = 1; |
| #endif |
| |
| pci_tolm = 0xffffffffUL; |
| for (link = dev->link_list; link; link = link->next) { |
| pci_tolm = my_find_pci_tolm(link, pci_tolm); |
| } |
| |
| // FIXME handle interleaved nodes. If you fix this here, please fix |
| // amdk8, too. |
| mmio_basek = pci_tolm >> 10; |
| /* Round mmio_basek to something the processor can support */ |
| mmio_basek &= ~((1 << 6) -1); |
| |
| // FIXME improve mtrr.c so we don't use up all of the mtrrs with a 64M |
| // MMIO hole. If you fix this here, please fix amdk8, too. |
| /* Round the mmio hole to 64M */ |
| mmio_basek &= ~((64*1024) - 1); |
| |
| #if CONFIG_HW_MEM_HOLE_SIZEK != 0 |
| /* if the hw mem hole is already set in raminit stage, here we will compare |
| * mmio_basek and hole_basek. if mmio_basek is bigger that hole_basek and will |
| * use hole_basek as mmio_basek and we don't need to reset hole. |
| * otherwise We reset the hole to the mmio_basek |
| */ |
| |
| mem_hole = get_hw_mem_hole_info(); |
| |
| // Use hole_basek as mmio_basek, and we don't need to reset hole anymore |
| if ((mem_hole.node_id != -1) && (mmio_basek > mem_hole.hole_startk)) { |
| mmio_basek = mem_hole.hole_startk; |
| reset_memhole = 0; |
| } |
| |
| #endif |
| |
| idx = 0x10; |
| for (i = 0; i < sysconf.nodes; i++) { |
| dram_base_mask_t d; |
| resource_t basek, limitk, sizek; // 4 1T |
| d = get_dram_base_mask(i); |
| |
| if (!(d.mask & 1)) continue; |
| basek = ((resource_t)(d.base & 0x1fffff00)) << 9; // could overflow, we may lost 6 bit here |
| limitk = ((resource_t)((d.mask + 0x00000100) & 0x1fffff00)) << 9 ; |
| sizek = limitk - basek; |
| |
| /* see if we need a hole from 0xa0000 to 0xbffff */ |
| if ((basek < ((8*64)+(8*16))) && (sizek > ((8*64)+(16*16)))) { |
| ram_resource(dev, (idx | i), basek, ((8*64)+(8*16)) - basek); |
| idx += 0x10; |
| basek = (8*64)+(16*16); |
| sizek = limitk - ((8*64)+(16*16)); |
| |
| } |
| |
| //printk(BIOS_DEBUG, "node %d : mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n", i, mmio_basek, basek, limitk); |
| |
| /* split the region to accommodate pci memory space */ |
| if ((basek < 4*1024*1024) && (limitk > mmio_basek)) { |
| if (basek <= mmio_basek) { |
| unsigned pre_sizek; |
| pre_sizek = mmio_basek - basek; |
| if (pre_sizek > 0) { |
| ram_resource(dev, (idx | i), basek, pre_sizek); |
| idx += 0x10; |
| sizek -= pre_sizek; |
| if (!ramtop) |
| ramtop = mmio_basek * 1024; |
| } |
| basek = mmio_basek; |
| } |
| if ((basek + sizek) <= 4*1024*1024) { |
| sizek = 0; |
| } |
| else { |
| basek = 4*1024*1024; |
| sizek -= (4*1024*1024 - mmio_basek); |
| } |
| } |
| |
| ram_resource(dev, (idx | i), basek, sizek); |
| idx += 0x10; |
| printk(BIOS_DEBUG, "node %d: mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n", |
| i, mmio_basek, basek, limitk); |
| if (!ramtop) |
| ramtop = limitk * 1024; |
| } |
| |
| #if CONFIG_GFXUMA |
| set_top_of_ram(uma_memory_base); |
| uma_resource(dev, 7, uma_memory_base >> 10, uma_memory_size >> 10); |
| #else |
| set_top_of_ram(ramtop); |
| #endif |
| |
| for (link = dev->link_list; link; link = link->next) { |
| if (link->children) { |
| assign_resources(link); |
| } |
| } |
| } |
| |
| static void amdfam10_domain_scan_bus(device_t dev) |
| { |
| u32 reg; |
| int i; |
| struct bus *link; |
| /* Unmap all of the HT chains */ |
| for (reg = 0xe0; reg <= 0xec; reg += 4) { |
| f1_write_config32(reg, 0); |
| } |
| |
| for (link = dev->link_list; link; link = link->next) { |
| link->secondary = dev->bus->subordinate; |
| pci_scan_bus(link, PCI_DEVFN(CONFIG_CDB, 0), 0xff); |
| dev->bus->subordinate = link->subordinate; |
| } |
| |
| /* Tune the hypertransport transaction for best performance. |
| * Including enabling relaxed ordering if it is safe. |
| */ |
| get_fx_devs(); |
| for (i = 0; i < fx_devs; i++) { |
| device_t f0_dev; |
| f0_dev = __f0_dev[i]; |
| if (f0_dev && f0_dev->enabled) { |
| u32 httc; |
| httc = pci_read_config32(f0_dev, HT_TRANSACTION_CONTROL); |
| httc &= ~HTTC_RSP_PASS_PW; |
| if (!dev->link_list->disable_relaxed_ordering) { |
| httc |= HTTC_RSP_PASS_PW; |
| } |
| printk(BIOS_SPEW, "%s passpw: %s\n", |
| dev_path(dev), |
| (!dev->link_list->disable_relaxed_ordering)? |
| "enabled":"disabled"); |
| pci_write_config32(f0_dev, HT_TRANSACTION_CONTROL, httc); |
| } |
| } |
| } |
| |
| |
| static struct device_operations pci_domain_ops = { |
| .read_resources = amdfam10_domain_read_resources, |
| .set_resources = amdfam10_domain_set_resources, |
| .enable_resources = amdfam10_domain_enable_resources, |
| .init = DEVICE_NOOP, |
| .scan_bus = amdfam10_domain_scan_bus, |
| .ops_pci_bus = pci_bus_default_ops, |
| }; |
| |
| |
| static void sysconf_init(device_t dev) // first node |
| { |
| sysconf.sblk = (pci_read_config32(dev, 0x64)>>8) & 7; // don't forget sublink1 |
| sysconf.segbit = 0; |
| sysconf.ht_c_num = 0; |
| |
| unsigned ht_c_index; |
| |
| for (ht_c_index = 0; ht_c_index < 32; ht_c_index++) { |
| sysconf.ht_c_conf_bus[ht_c_index] = 0; |
| } |
| |
| sysconf.nodes = ((pci_read_config32(dev, 0x60)>>4) & 7) + 1; //NodeCnt[2:0] |
| |
| /* Find the bootstrap processors apicid */ |
| sysconf.bsp_apicid = lapicid(); |
| } |
| |
| static void add_more_links(device_t dev, unsigned total_links) |
| { |
| struct bus *link, *last = NULL; |
| int link_num; |
| |
| for (link = dev->link_list; link; link = link->next) |
| last = link; |
| |
| if (last) { |
| int links = total_links - last->link_num; |
| link_num = last->link_num; |
| if (links > 0) { |
| link = malloc(links*sizeof(*link)); |
| if (!link) |
| die("Couldn't allocate more links!\n"); |
| memset(link, 0, links*sizeof(*link)); |
| last->next = link; |
| } |
| } |
| else { |
| link_num = -1; |
| link = malloc(total_links*sizeof(*link)); |
| memset(link, 0, total_links*sizeof(*link)); |
| dev->link_list = link; |
| } |
| |
| for (link_num = link_num + 1; link_num < total_links; link_num++) { |
| link->link_num = link_num; |
| link->dev = dev; |
| link->next = link + 1; |
| last = link; |
| link = link->next; |
| } |
| last->next = NULL; |
| } |
| |
| static void cpu_bus_scan(device_t dev) |
| { |
| struct bus *cpu_bus; |
| device_t dev_mc; |
| #if CONFIG_CBB |
| device_t pci_domain; |
| #endif |
| int i,j; |
| int nodes; |
| unsigned nb_cfg_54; |
| unsigned siblings; |
| int cores_found; |
| int disable_siblings; |
| unsigned ApicIdCoreIdSize; |
| |
| nb_cfg_54 = 0; |
| ApicIdCoreIdSize = (cpuid_ecx(0x80000008)>>12 & 0xf); |
| if (ApicIdCoreIdSize) { |
| siblings = (1<<ApicIdCoreIdSize)-1; |
| } else { |
| siblings = 3; //quad core |
| } |
| |
| disable_siblings = !CONFIG_LOGICAL_CPUS; |
| #if CONFIG_LOGICAL_CPUS |
| get_option(&disable_siblings, "multi_core"); |
| #endif |
| |
| // How can I get the nb_cfg_54 of every node's nb_cfg_54 in bsp??? |
| nb_cfg_54 = read_nb_cfg_54(); |
| |
| #if CONFIG_CBB |
| dev_mc = dev_find_slot(0, PCI_DEVFN(CONFIG_CDB, 0)); //0x00 |
| if (dev_mc && dev_mc->bus) { |
| printk(BIOS_DEBUG, "%s found", dev_path(dev_mc)); |
| pci_domain = dev_mc->bus->dev; |
| if (pci_domain && (pci_domain->path.type == DEVICE_PATH_DOMAIN)) { |
| printk(BIOS_DEBUG, "\n%s move to ",dev_path(dev_mc)); |
| dev_mc->bus->secondary = CONFIG_CBB; // move to 0xff |
| printk(BIOS_DEBUG, "%s",dev_path(dev_mc)); |
| |
| } else { |
| printk(BIOS_DEBUG, " but it is not under pci_domain directly "); |
| } |
| printk(BIOS_DEBUG, "\n"); |
| } |
| dev_mc = dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB, 0)); |
| if (!dev_mc) { |
| dev_mc = dev_find_slot(0, PCI_DEVFN(0x18, 0)); |
| if (dev_mc && dev_mc->bus) { |
| printk(BIOS_DEBUG, "%s found\n", dev_path(dev_mc)); |
| pci_domain = dev_mc->bus->dev; |
| if (pci_domain && (pci_domain->path.type == DEVICE_PATH_DOMAIN)) { |
| if ((pci_domain->link_list) && (pci_domain->link_list->children == dev_mc)) { |
| printk(BIOS_DEBUG, "%s move to ",dev_path(dev_mc)); |
| dev_mc->bus->secondary = CONFIG_CBB; // move to 0xff |
| printk(BIOS_DEBUG, "%s\n",dev_path(dev_mc)); |
| while (dev_mc) { |
| printk(BIOS_DEBUG, "%s move to ",dev_path(dev_mc)); |
| dev_mc->path.pci.devfn -= PCI_DEVFN(0x18,0); |
| printk(BIOS_DEBUG, "%s\n",dev_path(dev_mc)); |
| dev_mc = dev_mc->sibling; |
| } |
| } |
| } |
| } |
| } |
| |
| #endif |
| |
| dev_mc = dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB, 0)); |
| if (!dev_mc) { |
| printk(BIOS_ERR, "%02x:%02x.0 not found", CONFIG_CBB, CONFIG_CDB); |
| die(""); |
| } |
| |
| sysconf_init(dev_mc); |
| |
| nodes = sysconf.nodes; |
| |
| #if CONFIG_CBB && (NODE_NUMS > 32) |
| if (nodes > 32) { // need to put node 32 to node 63 to bus 0xfe |
| if (pci_domain->link_list && !pci_domain->link_list->next) { |
| struct bus *new_link = new_link(pci_domain); |
| pci_domain->link_list->next = new_link; |
| new_link->link_num = 1; |
| new_link->dev = pci_domain; |
| new_link->children = 0; |
| printk(BIOS_DEBUG, "%s links now 2\n", dev_path(pci_domain)); |
| } |
| pci_domain->link_list->next->secondary = CONFIG_CBB - 1; |
| } |
| #endif |
| /* Find which cpus are present */ |
| cpu_bus = dev->link_list; |
| for (i = 0; i < nodes; i++) { |
| device_t cdb_dev; |
| unsigned busn, devn; |
| struct bus *pbus; |
| |
| busn = CONFIG_CBB; |
| devn = CONFIG_CDB+i; |
| pbus = dev_mc->bus; |
| #if CONFIG_CBB && (NODE_NUMS > 32) |
| if (i >= 32) { |
| busn--; |
| devn-=32; |
| pbus = pci_domain->link_list->next); |
| } |
| #endif |
| |
| /* Find the cpu's pci device */ |
| cdb_dev = dev_find_slot(busn, PCI_DEVFN(devn, 0)); |
| if (!cdb_dev) { |
| /* If I am probing things in a weird order |
| * ensure all of the cpu's pci devices are found. |
| */ |
| int fn; |
| for (fn = 0; fn <= 5; fn++) { //FBDIMM? |
| cdb_dev = pci_probe_dev(NULL, pbus, |
| PCI_DEVFN(devn, fn)); |
| } |
| cdb_dev = dev_find_slot(busn, PCI_DEVFN(devn, 0)); |
| } |
| if (cdb_dev) { |
| /* Ok, We need to set the links for that device. |
| * otherwise the device under it will not be scanned |
| */ |
| add_more_links(cdb_dev, 8); |
| } |
| |
| cores_found = 0; // one core |
| cdb_dev = dev_find_slot(busn, PCI_DEVFN(devn, 3)); |
| int enable_node = cdb_dev && cdb_dev->enabled; |
| if (enable_node) { |
| j = pci_read_config32(cdb_dev, 0xe8); |
| cores_found = (j >> 12) & 3; // dev is func 3 |
| if (siblings > 3) |
| cores_found |= (j >> 13) & 4; |
| printk(BIOS_DEBUG, " %s siblings=%d\n", dev_path(cdb_dev), cores_found); |
| } |
| |
| u32 jj; |
| if (disable_siblings) { |
| jj = 0; |
| } else { |
| jj = cores_found; |
| } |
| |
| for (j = 0; j <=jj; j++) { |
| extern CONST OPTIONS_CONFIG_TOPOLOGY ROMDATA TopologyConfiguration; |
| u32 modules = TopologyConfiguration.PlatformNumberOfModules; |
| u32 lapicid_start = 0; |
| |
| /* |
| * APIC ID calucation is tightly coupled with AGESA v5 code. |
| * This calculation MUST match the assignment calculation done |
| * in LocalApicInitializationAtEarly() function. |
| * And reference GetLocalApicIdForCore() |
| * |
| * Apply apic enumeration rules |
| * For systems with >= 16 APICs, put the IO-APICs at 0..n and |
| * put the local-APICs at m..z |
| * For systems with < 16 APICs, put the Local-APICs at 0..n and |
| * put the IO-APICs at (n + 1)..z |
| */ |
| if (nodes * (cores_found + 1) >= 0x10) { |
| lapicid_start = 0x10; |
| } |
| u32 apic_id = (lapicid_start * (i/modules + 1)) + ((i % modules) ? (j + (cores_found + 1)) : j); |
| |
| device_t cpu = add_cpu_device(cpu_bus, apic_id, enable_node); |
| if (cpu) |
| amd_cpu_topology(cpu, i, j); |
| } //j |
| } |
| } |
| |
| static void cpu_bus_init(device_t dev) |
| { |
| initialize_cpus(dev->link_list); |
| } |
| |
| static void cpu_bus_read_resources(device_t dev) |
| { |
| #if CONFIG_MMCONF_SUPPORT |
| struct resource *resource = new_resource(dev, 0xc0010058); |
| resource->base = CONFIG_MMCONF_BASE_ADDRESS; |
| resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096*256; |
| resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE | |
| IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED; |
| #endif |
| } |
| |
| static void cpu_bus_set_resources(device_t dev) |
| { |
| struct resource *resource = find_resource(dev, 0xc0010058); |
| if (resource) { |
| report_resource_stored(dev, resource, " <mmconfig>"); |
| } |
| pci_dev_set_resources(dev); |
| } |
| |
| static struct device_operations cpu_bus_ops = { |
| .read_resources = cpu_bus_read_resources, |
| .set_resources = cpu_bus_set_resources, |
| .enable_resources = DEVICE_NOOP, |
| .init = cpu_bus_init, |
| .scan_bus = cpu_bus_scan, |
| }; |
| |
| static void root_complex_enable_dev(struct device *dev) |
| { |
| static int done = 0; |
| |
| /* Do not delay UMA setup, as a device on the PCI bus may evaluate |
| the global uma_memory variables already in its enable function. */ |
| if (!done) { |
| setup_bsp_ramtop(); |
| #if CONFIG_GFXUMA |
| #error Northbridge does not set uma_memory_base or uma_memory_size. |
| setup_uma_memory(); |
| #endif |
| done = 1; |
| } |
| |
| /* Set the operations if it is a special bus type */ |
| if (dev->path.type == DEVICE_PATH_DOMAIN) { |
| dev->ops = &pci_domain_ops; |
| } |
| else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) { |
| dev->ops = &cpu_bus_ops; |
| } |
| } |
| |
| struct chip_operations northbridge_amd_agesa_family10_root_complex_ops = { |
| CHIP_NAME("AMD FAM10 Root Complex") |
| .enable_dev = root_complex_enable_dev, |
| }; |