diff options
Diffstat (limited to 'src/northbridge/amd/agesa/family15/northbridge.c')
| -rw-r--r-- | src/northbridge/amd/agesa/family15/northbridge.c | 1053 |
1 files changed, 0 insertions, 1053 deletions
diff --git a/src/northbridge/amd/agesa/family15/northbridge.c b/src/northbridge/amd/agesa/family15/northbridge.c deleted file mode 100644 index 2ef652d45d..0000000000 --- a/src/northbridge/amd/agesa/family15/northbridge.c +++ /dev/null @@ -1,1053 +0,0 @@ -/* - * 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. - */ - -#include <console/console.h> -#include <arch/acpi.h> -#include <arch/acpigen.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 <cbmem.h> - -#include <cpu/x86/lapic.h> -#include <cpu/amd/mtrr.h> - -#include <Porting.h> -#include <AGESA.h> -#include <Options.h> -#include <Topology.h> - -#include <northbridge/amd/agesa/state_machine.h> -#include <northbridge/amd/agesa/agesa_helper.h> -#include "sb_cimx.h" - -#define MAX_NODE_NUMS (MAX_NODES * MAX_DIES) - -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 ? - 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 + 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 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 does not exist, usable - * @retval 0 resource exists, 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 nb_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); - } - } - - /* - * This MMCONF resource must be reserved in the PCI domain. - * It is not honored by the coreboot resource allocator if it is in - * the CPU_CLUSTER. - */ - mmconf_resource(dev, 0xc0010058); -} - -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; - 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 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 IS_ENABLED(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, sblink); - set_vga_enable_reg(nodeid, sblink); -} - -static void nb_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 scan_chains(device_t dev) -{ - unsigned nodeid; - struct bus *link; - device_t io_hub = NULL; - u32 next_unitid = 0x18; - - nodeid = amdfam15_nodeid(dev); - if (nodeid == 0) { - ASSERT(dev->bus->secondary == 0); - for (link = dev->link_list; link; link = link->next) { - 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. */ - pci_scan_bus(link, 0x00, ((next_unitid - 1) << 3) | 7); - } - } - } -} - - -static unsigned long acpi_fill_hest(acpi_hest_t *hest) -{ - void *addr, *current; - - /* Skip the HEST header. */ - current = (void *)(hest + 1); - - addr = agesawrapper_getlateinitptr(PICK_WHEA_MCE); - if (addr != NULL) - current += acpi_create_hest_error_source(hest, current, 0, - addr + 2, *(UINT16 *)addr - 2); - - addr = agesawrapper_getlateinitptr(PICK_WHEA_CMC); - if (addr != NULL) - current += acpi_create_hest_error_source(hest, current, 1, - addr + 2, *(UINT16 *)addr - 2); - - return (unsigned long)current; -} - -static void northbridge_fill_ssdt_generator(device_t device) -{ - msr_t msr; - char pscope[] = "\\_SB.PCI0"; - - acpigen_write_scope(pscope); - msr = rdmsr(TOP_MEM); - acpigen_write_name_dword("TOM1", msr.lo); - msr = rdmsr(TOP_MEM2); - /* - * Since XP only implements parts of ACPI 2.0, we can't use a qword - * here. - * See http://www.acpi.info/presentations/S01USMOBS169_OS%2520new.ppt - * slide 22ff. - * Shift value right by 20 bit to make it fit into 32bit, - * giving us 1MB granularity and a limit of almost 4Exabyte of memory. - */ - acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20); - acpigen_pop_len(); -} - -static unsigned long agesa_write_acpi_tables(device_t device, - unsigned long current, - acpi_rsdp_t *rsdp) -{ - acpi_srat_t *srat; - acpi_slit_t *slit; - acpi_header_t *ssdt; - acpi_header_t *alib; - acpi_hest_t *hest; - - /* HEST */ - current = ALIGN(current, 8); - hest = (acpi_hest_t *)current; - acpi_write_hest((void *)current, acpi_fill_hest); - acpi_add_table(rsdp, (void *)current); - current += ((acpi_header_t *)current)->length; - - /* SRAT */ - current = ALIGN(current, 8); - printk(BIOS_DEBUG, "ACPI: * SRAT at %lx\n", current); - srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT); - if (srat != NULL) { - memcpy((void *)current, srat, srat->header.length); - srat = (acpi_srat_t *) current; - current += srat->header.length; - acpi_add_table(rsdp, srat); - } - - /* SLIT */ - current = ALIGN(current, 8); - printk(BIOS_DEBUG, "ACPI: * SLIT at %lx\n", current); - slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT); - if (slit != NULL) { - memcpy((void *)current, slit, slit->header.length); - slit = (acpi_slit_t *) current; - current += slit->header.length; - acpi_add_table(rsdp, slit); - } - - /* SSDT */ - current = ALIGN(current, 16); - printk(BIOS_DEBUG, "ACPI: * AGESA ALIB SSDT at %lx\n", current); - alib = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_ALIB); - if (alib != NULL) { - memcpy((void *)current, alib, alib->length); - alib = (acpi_header_t *) current; - current += alib->length; - acpi_add_table(rsdp, (void *)alib); - } else { - printk(BIOS_DEBUG, " AGESA ALIB SSDT table NULL. Skipping.\n"); - } - - /* The DSDT needs additional work for the AGESA SSDT Pstate table */ - /* Keep the comment for a while. */ - current = ALIGN(current, 16); - printk(BIOS_DEBUG, "ACPI: * AGESA SSDT Pstate at %lx\n", current); - ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE); - if (ssdt != NULL) { - memcpy((void *)current, ssdt, ssdt->length); - ssdt = (acpi_header_t *) current; - current += ssdt->length; - acpi_add_table(rsdp,ssdt); - } else { - printk(BIOS_DEBUG, " AGESA SSDT Pstate table NULL. Skipping.\n"); - } - - return current; -} - - -static struct device_operations northbridge_operations = { - .read_resources = nb_read_resources, - .set_resources = nb_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = DEVICE_NOOP, - .acpi_fill_ssdt_generator = northbridge_fill_ssdt_generator, - .write_acpi_tables = agesa_write_acpi_tables, - .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 */ - - pci_domain_read_resources(dev); -} - -#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 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 < 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 & ~1) + 0x000FF) & 0x1fffff00)) << 9; - limitk_pri = limit_k; - } - } - return mem_hole; -} -#endif - -static void domain_set_resources(device_t dev) -{ - 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 - - 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 & ~1) + 0x000FF) & 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)); - - } - - /* 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; - } - 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); - } - - add_uma_resource_below_tolm(dev, 7); - - for (link = dev->link_list; link; link = link->next) { - if (link->children) { - assign_resources(link); - } - } -} - -/* all family15's pci devices are under 0x18.0, so we search from dev 0x18 fun 0 */ -static void f15_pci_domain_scan_bus(device_t dev) -{ - struct bus *link = dev->link_list; - pci_scan_bus(link, PCI_DEVFN(0x18, 0), 0xff); -} - -static struct device_operations pci_domain_ops = { - .read_resources = domain_read_resources, - .set_resources = domain_set_resources, - .init = DEVICE_NOOP, - .scan_bus = f15_pci_domain_scan_bus, - .ops_pci_bus = pci_bus_default_ops, -}; - -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; -} - -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 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_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); -#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(0x80000008) & 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; - 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 - */ - add_more_links(cdb_dev, 8); - } - - 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 - } - int enable_node = cdb_dev && cdb_dev->enabled; - 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++) { - 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 - * - * This is needed because many IO-APIC devices only have 4 bits - * for their APIC id and therefore must reside at 0..15 - */ - - u8 plat_num_io_apics = 3; /* FIXME */ - - if ((node_nums * core_max) + plat_num_io_apics >= 0x10) { - lapicid_start = (plat_num_io_apics - 1) / core_max; - lapicid_start = (lapicid_start + 1) * core_max; - printk(BIOS_SPEW, "lpaicid_start = 0x%x ", lapicid_start); - } -#if IS_ENABLED(CONFIG_CPU_AMD_SOCKET_G34) - u32 apic_id = (i / 2 * core_max) + j + lapicid_start + (i % 2 ? siblings + 1 : 0); -#else - u32 apic_id = (i * core_max) + j + lapicid_start; -#endif - printk(BIOS_SPEW, "node 0x%x core 0x%x apicid = 0x%x\n", - i, j, apic_id); - - 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 struct device_operations cpu_bus_ops = { - .read_resources = DEVICE_NOOP, - .set_resources = DEVICE_NOOP, - .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; - - if (!done) { - setup_bsp_ramtop(); - 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_family15_root_complex_ops = { - CHIP_NAME("AMD FAM15 Root Complex") - .enable_dev = root_complex_enable_dev, -}; |