--- /dev/null
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 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 <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 <bitops.h>
+#include <cpu/cpu.h>
+
+#include <cpu/x86/lapic.h>
+
+#include <Porting.h>
+#include <AGESA.h>
+#include <Options.h>
+#include <Topology.h>
+#include <cpu/amd/amdfam15.h>
+#include <cpuRegisters.h>
+#include "agesawrapper.h"
+#include "root_complex/chip.h"
+#include "northbridge.h"
+#include "chip.h"
+
+#define MAX_NODE_NUMS (MAX_NODES * MAX_DIES)
+
+#if (defined CONFIG_EXT_CONF_SUPPORT) && CONFIG_EXT_CONF_SUPPORT == 1
+#error CONFIG_EXT_CONF_SUPPORT == 1 not support anymore!
+#endif
+
+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;
+
+static unsigned node_nums;
+static unsigned sblink;
+static device_t __f0_dev[MAX_NODE_NUMS];
+static device_t __f1_dev[MAX_NODE_NUMS];
+static device_t __f2_dev[MAX_NODE_NUMS];
+static device_t __f4_dev[MAX_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;
+}
+
+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<node_nums; 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<node_nums; 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<node_nums; i++)
+ pci_write_config32(__f1_dev[i], reg, tempreg);
+}
+
+static device_t get_node_pci(u32 nodeid, u32 fn)
+{
+#if MAX_NODE_NUMS == 64
+ if (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 void get_fx_devs(void)
+{
+ int i;
+ for (i = 0; i < MAX_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");
+ }
+ printk(BIOS_DEBUG, "fx_devs=0x%x\n", fx_devs);
+}
+
+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 amdfam15_nodeid(device_t dev)
+{
+#if MAX_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);
+
+}
+
+/**
+ * @return
+ * @retval 2 resoure not exist, usable
+ * @retval 0 resource exist, not usable
+ * @retval 1 resource exist, resource has been allocated before
+ */
+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 *amdfam15_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
+ }
+
+ resource = new_resource(dev, IOINDEX(0x1000 + reg, link));
+
+ return resource;
+}
+
+static struct resource *amdfam15_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;
+ }
+
+ resource = new_resource(dev, IOINDEX(0x1000 + reg, link));
+ return resource;
+}
+
+
+static void amdfam15_link_read_bases(device_t dev, u32 nodeid, u32 link)
+{
+ struct resource *resource;
+
+ /* Initialize the io space constraints on the current bus */
+ resource = amdfam15_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 = amdfam15_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 = amdfam15_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 read_resources(device_t dev)
+{
+ u32 nodeid;
+ struct bus *link;
+
+ nodeid = amdfam15_nodeid(dev);
+ for (link = dev->link_list; link; link = link->next) {
+ if (link->children) {
+ amdfam15_link_read_bases(dev, nodeid, link->link_num);
+ }
+ }
+}
+
+
+static void 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);
+ }
+ else if (resource->flags & IORESOURCE_MEM) {
+ set_mmio_addr_reg(nodeid, link_num, reg, (resource->index >>24), rbase>>8, rend>>8, node_nums) ;// [39:8]
+ }
+ resource->flags |= IORESOURCE_STORED;
+ sprintf(buf, " <node %x link %x>",
+ nodeid, link_num);
+ report_resource_stored(dev, resource, buf);
+}
+
+/**
+ * I tried to reuse the resource allocation code in set_resource()
+ * but it is too difficult to deal with the resource allocation magic.
+ */
+
+static void 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 == 1
+ 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, sblink);
+ set_vga_enable_reg(nodeid, sblink);
+}
+
+
+static void set_resources(device_t dev)
+{
+ unsigned nodeid;
+ struct bus *bus;
+ struct resource *res;
+
+ /* Find the nodeid */
+ nodeid = amdfam15_nodeid(dev);
+
+ create_vga_resource(dev, nodeid); //TODO: do we need this?
+
+ /* Set each resource we have found */
+ for (res = dev->resource_list; res; res = res->next) {
+ set_resource(dev, res, nodeid);
+ }
+
+ for (bus = dev->link_list; bus; bus = bus->next) {
+ if (bus->children) {
+ assign_resources(bus);
+ }
+ }
+}
+
+static void northbridge_init(struct device *dev)
+{
+}
+
+static unsigned scan_chains(device_t dev, unsigned max)
+{
+ unsigned nodeid;
+ struct bus *link;
+ device_t io_hub = NULL;
+ u32 next_unitid = 0x18;
+ nodeid = amdfam15_nodeid(dev);
+ if (nodeid == 0) {
+ for (link = dev->link_list; link; link = link->next) {
+ //if (link->link_num == sblink) { /* devicetree put IO Hub on link_lsit[sblink] */
+ if (link->link_num == 0) { /* devicetree put IO Hub on link_lsit[0] */
+ 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. */
+ max = pci_scan_bus(link, 0x00, ((next_unitid - 1) << 3) | 7, 0);
+ }
+ }
+ }
+ return max;
+}
+
+static struct device_operations northbridge_operations = {
+ .read_resources = read_resources,
+ .set_resources = set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = northbridge_init,
+ .scan_bus = scan_chains,
+ .enable = 0,
+ .ops_pci = 0,
+};
+
+static const struct pci_driver family15_northbridge __pci_driver = {
+ .ops = &northbridge_operations,
+ .vendor = PCI_VENDOR_ID_AMD,
+ .device = PCI_DEVICE_ID_AMD_15H_MODEL_000F_NB_HT,
+};
+
+static const struct pci_driver family10_northbridge __pci_driver = {
+ .ops = &northbridge_operations,
+ .vendor = PCI_VENDOR_ID_AMD,
+ .device = PCI_DEVICE_ID_AMD_10H_NB_HT,
+};
+
+struct chip_operations northbridge_amd_agesa_family15_ops = {
+ CHIP_NAME("AMD FAM15 Northbridge")
+ .enable_dev = 0,
+};
+
+static void 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 */
+
+#if CONFIG_PCI_64BIT_PREF_MEM == 0
+ pci_domain_read_resources(dev);
+
+
+#else
+ struct bus *link;
+ struct resource *resource;
+ for (link=dev->link_list; link; link = link->next) {
+ /* Initialize the system wide io space constraints */
+ resource = new_resource(dev, 0|(link->link_num<<2));
+ resource->base = 0x400;
+ resource->limit = 0xffffUL;
+ resource->flags = IORESOURCE_IO;
+
+ /* Initialize the system wide prefetchable memory resources constraints */
+ resource = new_resource(dev, 1|(link->link_num<<2));
+ resource->limit = 0xfcffffffffULL;
+ resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
+
+ /* Initialize the system wide memory resources constraints */
+ resource = new_resource(dev, 2|(link->link_num<<2));
+ resource->limit = 0xfcffffffffULL;
+ resource->flags = IORESOURCE_MEM;
+ }
+#endif
+}
+
+static void domain_enable_resources(device_t dev)
+{
+ u32 val;
+ /* Must be called after PCI enumeration and resource allocation */
+ printk(BIOS_DEBUG, "\nFam15 - domain_enable_resources: AmdInitMid.\n");
+ val = agesawrapper_amdinitmid();
+ if (val) {
+ printk(BIOS_DEBUG, "agesawrapper_amdinitmid failed: %x \n", val);
+ }
+ printk(BIOS_DEBUG, " ader - leaving domain_enable_resources.\n");
+}
+
+
+#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 < node_nums; 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 speical set on base reg and limit reg are not continous instead of hole, it will find out it's hole_startk
+ if (mem_hole.node_id == -1) {
+ resource_t limitk_pri = 0;
+ for (i=0; i<node_nums; 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
+#if CONFIG_WRITE_HIGH_TABLES==1
+#define HIGH_TABLES_SIZE 64 // maximum size of high tables in KB
+extern uint64_t high_tables_base, high_tables_size;
+#endif
+#if CONFIG_GFXUMA == 1
+extern uint64_t uma_memory_base, uma_memory_size;
+static void add_uma_resource(struct device *dev, int index)
+{
+ struct resource *resource;
+
+ printk(BIOS_DEBUG, "Adding UMA memory area\n");
+ resource = new_resource(dev, index);
+ resource->base = (resource_t) uma_memory_base;
+ resource->size = (resource_t) uma_memory_size;
+ resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
+ IORESOURCE_FIXED | IORESOURCE_STORED |
+ IORESOURCE_ASSIGNED;
+}
+#endif
+
+static void domain_set_resources(device_t dev)
+{
+#if CONFIG_PCI_64BIT_PREF_MEM == 1
+ struct resource *io, *mem1, *mem2;
+ struct resource *res;
+#endif
+ unsigned long mmio_basek;
+ u32 pci_tolm;
+ 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
+
+#if CONFIG_PCI_64BIT_PREF_MEM == 1
+
+ for (link = dev->link_list; link; link = link->next) {
+ /* Now reallocate the pci resources memory with the
+ * highest addresses I can manage.
+ */
+ mem1 = find_resource(dev, 1|(link->link_num<<2));
+ mem2 = find_resource(dev, 2|(link->link_num<<2));
+
+ printk(BIOS_DEBUG, "base1: 0x%08Lx limit1: 0x%08Lx size: 0x%08Lx align: %d\n",
+ mem1->base, mem1->limit, mem1->size, mem1->align);
+ printk(BIOS_DEBUG, "base2: 0x%08Lx limit2: 0x%08Lx size: 0x%08Lx align: %d\n",
+ mem2->base, mem2->limit, mem2->size, mem2->align);
+
+ /* See if both resources have roughly the same limits */
+ if (((mem1->limit <= 0xffffffff) && (mem2->limit <= 0xffffffff)) ||
+ ((mem1->limit > 0xffffffff) && (mem2->limit > 0xffffffff)))
+ {
+ /* If so place the one with the most stringent alignment first */
+ if (mem2->align > mem1->align) {
+ struct resource *tmp;
+ tmp = mem1;
+ mem1 = mem2;
+ mem2 = tmp;
+ }
+ /* Now place the memory as high up as it will go */
+ mem2->base = resource_max(mem2);
+ mem1->limit = mem2->base - 1;
+ mem1->base = resource_max(mem1);
+ }
+ else {
+ /* Place the resources as high up as they will go */
+ mem2->base = resource_max(mem2);
+ mem1->base = resource_max(mem1);
+ }
+
+ printk(BIOS_DEBUG, "base1: 0x%08Lx limit1: 0x%08Lx size: 0x%08Lx align: %d\n",
+ mem1->base, mem1->limit, mem1->size, mem1->align);
+ printk(BIOS_DEBUG, "base2: 0x%08Lx limit2: 0x%08Lx size: 0x%08Lx align: %d\n",
+ mem2->base, mem2->limit, mem2->size, mem2->align);
+ }
+
+ for (res = &dev->resource_list; res; res = res->next)
+ {
+ res->flags |= IORESOURCE_ASSIGNED;
+ res->flags |= IORESOURCE_STORED;
+ report_resource_stored(dev, res, "");
+ }
+#endif
+
+ pci_tolm = 0xffffffffUL;
+ for (link = dev->link_list; link; link = link->next) {
+ pci_tolm = find_pci_tolm(link);
+ }
+
+ // 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 < node_nums; 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 accomodate 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 CONFIG_WRITE_HIGH_TABLES==1
+ if (high_tables_base==0) {
+ /* Leave some space for ACPI, PIRQ and MP tables */
+#if CONFIG_GFXUMA == 1
+ high_tables_base = uma_memory_base - (HIGH_TABLES_SIZE * 1024);
+#else
+ high_tables_base = (mmio_basek - HIGH_TABLES_SIZE) * 1024;
+#endif
+ high_tables_size = HIGH_TABLES_SIZE * 1024;
+ printk(BIOS_DEBUG, " split: %dK table at =%08llx\n",
+ HIGH_TABLES_SIZE, high_tables_base);
+ }
+#endif
+ }
+ basek = mmio_basek;
+ }
+ if ((basek + sizek) <= 4*1024*1024) {
+ sizek = 0;
+ }
+ else {
+ basek = 4*1024*1024;
+ sizek -= (4*1024*1024 - mmio_basek);
+ }
+ }
+
+#if CONFIG_GFXUMA == 1
+ /* Deduct uma memory before reporting because
+ * this is what the mtrr code expects */
+ sizek -= uma_memory_size / 1024;
+#endif
+ ram_resource(dev, (idx | i), basek, sizek);
+ idx += 0x10;
+#if CONFIG_WRITE_HIGH_TABLES==1
+ printk(BIOS_DEBUG, "node %d: mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n",
+ i, mmio_basek, basek, limitk);
+ if (high_tables_base==0) {
+ /* Leave some space for ACPI, PIRQ and MP tables */
+#if CONFIG_GFXUMA == 1
+ high_tables_base = uma_memory_base - (HIGH_TABLES_SIZE * 1024);
+#else
+ high_tables_base = (limitk - HIGH_TABLES_SIZE) * 1024;
+#endif
+ high_tables_size = HIGH_TABLES_SIZE * 1024;
+ }
+#endif
+ }
+
+#if CONFIG_GFXUMA == 1
+ add_uma_resource(dev, 7);
+#endif
+
+ for(link = dev->link_list; link; link = link->next) {
+ if (link->children) {
+ assign_resources(link);
+ }
+ }
+}
+
+
+static struct device_operations pci_domain_ops = {
+ .read_resources = domain_read_resources,
+ .set_resources = domain_set_resources,
+ .enable_resources = domain_enable_resources,
+ .init = NULL,
+ .scan_bus = pci_domain_scan_bus,
+
+#if CONFIG_MMCONF_SUPPORT_DEFAULT
+ .ops_pci_bus = &pci_ops_mmconf,
+#else
+ .ops_pci_bus = &pci_cf8_conf1,
+#endif
+};
+
+
+static void sysconf_init(device_t dev) // first node
+{
+ sblink = (pci_read_config32(dev, 0x64)>>8) & 7; // don't forget sublink1
+ node_nums = ((pci_read_config32(dev, 0x60)>>4) & 7) + 1; //NodeCnt[2:0]
+}
+
+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;
+}
+
+/* dummy read_resources */
+static void lapic_read_resources(device_t dev)
+{
+}
+
+static struct device_operations lapic_ops = {
+ .read_resources = lapic_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = 0,
+ .scan_bus = 0,
+ .enable = 0,
+ .ops_pci = 0,
+};
+
+static u32 cpu_bus_scan(device_t dev, u32 max)
+{
+ struct bus *cpu_bus;
+ device_t dev_mc;
+#if CONFIG_CBB
+ device_t pci_domain;
+#endif
+ int i,j;
+ int coreid_bits;
+ int core_max = 0;
+ unsigned ApicIdCoreIdSize;
+ unsigned core_nums;
+ int siblings = 0;
+ unsigned int family;
+
+#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_PCI_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_PCI_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);
+#if CONFIG_CBB && (MAX_NODE_NUMS > 32)
+ if (node_nums>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
+
+ /* Get Max Number of cores(MNC) */
+ coreid_bits = (cpuid_ecx(AMD_CPUID_ASIZE_PCCOUNT) & 0x0000F000) >> 12;
+ core_max = 1 << (coreid_bits & 0x000F); //mnc
+
+ ApicIdCoreIdSize = ((cpuid_ecx(0x80000008)>>12) & 0xF);
+ if (ApicIdCoreIdSize) {
+ core_nums = (1 << ApicIdCoreIdSize) - 1;
+ } else {
+ core_nums = 3; //quad core
+ }
+
+ /* Find which cpus are present */
+ cpu_bus = dev->link_list;
+ for (i = 0; i < node_nums; i++) {
+ device_t cdb_dev, cpu;
+ struct device_path cpu_path;
+ unsigned busn, devn;
+ struct bus *pbus;
+
+ busn = CONFIG_CBB;
+ devn = CONFIG_CDB + i;
+ pbus = dev_mc->bus;
+#if CONFIG_CBB && (MAX_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));
+ } else {
+ /* Ok, We need to set the links for that device.
+ * otherwise the device under it will not be scanned
+ */
+ int linknum;
+#if CONFIG_HT3_SUPPORT==1
+ linknum = 8;
+#else
+ linknum = 4;
+#endif
+ add_more_links(cdb_dev, linknum);
+ }
+
+ family = cpuid_eax(1);
+ family = (family >> 20) & 0xFF;
+ if (family == 1) { //f10
+ u32 dword;
+ cdb_dev = dev_find_slot(busn, PCI_DEVFN(devn, 3));
+ dword = pci_read_config32(cdb_dev, 0xe8);
+ siblings = ((dword & BIT15) >> 13) | ((dword & (BIT13 | BIT12)) >> 12);
+ } else if (family == 6) {//f15
+ cdb_dev = dev_find_slot(busn, PCI_DEVFN(devn, 5));
+ if (cdb_dev && cdb_dev->enabled) {
+ siblings = pci_read_config32(cdb_dev, 0x84);
+ siblings &= 0xFF;
+ }
+ } else {
+ siblings = 0; //default one core
+ }
+ printk(BIOS_SPEW, "%s family%xh, core_max=0x%x, core_nums=0x%x, siblings=0x%x\n",
+ dev_path(cdb_dev), 0x0f + family, core_max, core_nums, siblings);
+
+ for (j = 0; j <= siblings; j++ ) {
+ extern CONST OPTIONS_CONFIG_TOPOLOGY ROMDATA TopologyConfiguration;
+ u32 modules = TopologyConfiguration.PlatformNumberOfModules;
+ u32 lapicid_start = 0;
+
+ /* Build the cpu device path */
+ cpu_path.type = DEVICE_PATH_APIC;
+ /*
+ * 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
+ *
+ * This is needed because many IO-APIC devices only have 4 bits
+ * for their APIC id and therefore must reside at 0..15
+ */
+#ifndef CFG_PLAT_NUM_IO_APICS /* defined in mainboard buildOpts.c */
+#define CFG_PLAT_NUM_IO_APICS 3
+#endif
+ if ((node_nums * core_max) + CFG_PLAT_NUM_IO_APICS >= 0x10) {
+ lapicid_start = (CFG_PLAT_NUM_IO_APICS - 1) / core_max;
+ lapicid_start = (lapicid_start + 1) * core_max;
+ printk(BIOS_SPEW, "lpaicid_start=0x%x ", lapicid_start);
+ }
+ cpu_path.apic.apic_id = (lapicid_start * (i/modules + 1)) + ((i % modules) ? (j + (siblings + 1)) : j);
+ printk(BIOS_SPEW, "node 0x%x core 0x%x apicid=0x%x\n",
+ i, j, cpu_path.apic.apic_id);
+
+ /* See if I can find the cpu */
+ cpu = find_dev_path(cpu_bus, &cpu_path);
+ /* Enable the cpu if I have the processor */
+ if (cdb_dev && cdb_dev->enabled) {
+ if (!cpu) {
+ cpu = alloc_dev(cpu_bus, &cpu_path);
+ }
+ if (cpu) {
+ cpu->enabled = 1;
+ }
+ }
+ /* Disable the cpu if I don't have the processor */
+ if (cpu && (!cdb_dev || !cdb_dev->enabled)) {
+ cpu->enabled = 0;
+ }
+ /* Report what I have done */
+ if (cpu) {
+ cpu->path.apic.node_id = i;
+ cpu->path.apic.core_id = j;
+ if (cpu->path.type == DEVICE_PATH_APIC) {
+ cpu->ops = &lapic_ops;
+ }
+ printk(BIOS_DEBUG, "CPU: %s %s\n",
+ dev_path(cpu), cpu->enabled?"enabled":"disabled");
+ }
+ } //j
+ }
+ return max;
+}
+
+static void cpu_bus_init(device_t dev)
+{
+ initialize_cpus(dev->link_list);
+}
+
+static void cpu_bus_noop(device_t dev)
+{
+}
+
+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 = cpu_bus_noop,
+ .init = cpu_bus_init,
+ .scan_bus = cpu_bus_scan,
+};
+
+
+static void root_complex_enable_dev(struct device *dev)
+{
+ /* Set the operations if it is a special bus type */
+ if (dev->path.type == DEVICE_PATH_PCI_DOMAIN) {
+ dev->ops = &pci_domain_ops;
+ } else if (dev->path.type == DEVICE_PATH_APIC_CLUSTER) {
+ dev->ops = &cpu_bus_ops;
+ }
+}
+
+
+struct chip_operations northbridge_amd_agesa_family15_root_complex_ops = {
+ CHIP_NAME("AMD FAM15 Root Complex")
+ .enable_dev = root_complex_enable_dev,
+};
projects / coreboot.git / commitdiff