blob: 207bec2d379c7061e160622320b18605baf7f08f [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <device/pci_ops.h>
#include <acpi/acpi.h>
#include <acpi/acpigen.h>
#include <stdint.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/hypertransport.h>
#include <string.h>
#include <lib.h>
#include <cpu/cpu.h>
#include <AGESA.h>
#include <cpu/x86/lapic.h>
#include <cpu/amd/msr.h>
#include <cpu/amd/mtrr.h>
#include <Porting.h>
#include <Options.h>
#include <Topology.h>
#include <northbridge/amd/agesa/nb_common.h>
#include <northbridge/amd/agesa/state_machine.h>
#include <northbridge/amd/agesa/agesa_helper.h>
#define MAX_NODE_NUMS MAX_NODES
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 int node_nums;
static unsigned int sblink;
static struct device *__f0_dev[MAX_NODE_NUMS];
static struct device *__f1_dev[MAX_NODE_NUMS];
static struct device *__f2_dev[MAX_NODE_NUMS];
static struct device *__f4_dev[MAX_NODE_NUMS];
static unsigned int fx_devs = 0;
static dram_base_mask_t get_dram_base_mask(u32 nodeid)
{
struct device *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(struct device *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 struct device *get_node_pci(u32 nodeid, u32 fn)
{
return pcidev_on_root(DEV_CDB + nodeid, fn);
}
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 int reg)
{
if (fx_devs == 0)
get_fx_devs();
return pci_read_config32(__f1_dev[0], reg);
}
static void f1_write_config32(unsigned int reg, u32 value)
{
int i;
if (fx_devs == 0)
get_fx_devs();
for (i = 0; i < fx_devs; i++) {
struct device *dev;
dev = __f1_dev[i];
if (dev && dev->enabled) {
pci_write_config32(dev, reg, value);
}
}
}
static u32 amdfam15_nodeid(struct device *dev)
{
return (dev->path.pci.devfn >> 3) - DEV_CDB;
}
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 resource does not exist, usable
* @retval 0 resource exists, not usable
* @retval 1 resource exist, resource has been allocated before
*/
static int reg_useable(unsigned int reg, struct device *goal_dev,
unsigned int goal_nodeid, unsigned int goal_link)
{
struct resource *res;
unsigned int nodeid, link = 0;
int result;
res = 0;
for (nodeid = 0; !res && (nodeid < fx_devs); nodeid++) {
struct device *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(struct device *dev,
unsigned int nodeid, unsigned int 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(struct device *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(struct device *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(struct device *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, MMIO_CONF_BASE);
}
static void set_resource(struct device *dev, struct resource *resource, u32 nodeid)
{
resource_t rbase, rend;
unsigned int 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(struct device *dev, unsigned int 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 struct device *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(struct device *dev)
{
unsigned int 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 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(const struct device *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 void patch_ssdt_processor_scope(acpi_header_t *ssdt)
{
unsigned int len = ssdt->length - sizeof(acpi_header_t);
unsigned int i;
for (i = sizeof(acpi_header_t); i < len; i++) {
/* Search for _PR_ scope and replace it with _SB_ */
if (*(uint32_t *)((unsigned long)ssdt + i) == 0x5f52505f)
*(uint32_t *)((unsigned long)ssdt + i) = 0x5f42535f;
}
/* Recalculate checksum */
ssdt->checksum = 0;
ssdt->checksum = acpi_checksum((void *)ssdt, ssdt->length);
}
static unsigned long agesa_write_acpi_tables(const struct device *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_header_t *ivrs;
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;
current = ALIGN(current, 8);
printk(BIOS_DEBUG, "ACPI: * IVRS at %lx\n", current);
ivrs = agesawrapper_getlateinitptr(PICK_IVRS);
if (ivrs != NULL) {
memcpy((void *)current, ivrs, ivrs->length);
ivrs = (acpi_header_t *) current;
current += ivrs->length;
acpi_add_table(rsdp, ivrs);
} else {
printk(BIOS_DEBUG, " AGESA IVRS table NULL. Skipping.\n");
}
/* 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);
} else {
printk(BIOS_DEBUG, " AGESA SRAT table NULL. Skipping.\n");
}
/* 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);
} else {
printk(BIOS_DEBUG, " AGESA SLIT table NULL. Skipping.\n");
}
/* ALIB */
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");
}
/* this pstate ssdt may cause Blue Screen: Fixed: Keep this comment for a while. */
/* SSDT */
current = ALIGN(current, 16);
printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current);
ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE);
if (ssdt != NULL) {
patch_ssdt_processor_scope(ssdt);
memcpy((void *)current, ssdt, ssdt->length);
ssdt = (acpi_header_t *) current;
current += ssdt->length;
}
else {
printk(BIOS_DEBUG, " AGESA PState table NULL. Skipping.\n");
}
acpi_add_table(rsdp,ssdt);
printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current);
return current;
}
static struct device_operations northbridge_operations = {
.read_resources = nb_read_resources,
.set_resources = nb_set_resources,
.enable_resources = pci_dev_enable_resources,
.acpi_fill_ssdt = northbridge_fill_ssdt_generator,
.write_acpi_tables = agesa_write_acpi_tables,
};
static const struct pci_driver family15_northbridge __pci_driver = {
.ops = &northbridge_operations,
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD_15H_MODEL_101F_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_family15tn_ops = {
CHIP_NAME("AMD FAM15 Northbridge")
.enable_dev = 0,
};
static void domain_read_resources(struct device *dev)
{
unsigned int 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 int nodeid, reg_link;
struct device *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 int 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 int)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(struct device *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 int 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 {
uint64_t topmem2 = bsp_topmem2();
basek = 4*1024*1024;
sizek = topmem2/1024 - 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);
}
}
}
static struct device_operations pci_domain_ops = {
.read_resources = domain_read_resources,
.set_resources = domain_set_resources,
.scan_bus = pci_domain_scan_bus,
};
static void sysconf_init(struct device *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 cpu_bus_scan(struct device *dev)
{
struct bus *cpu_bus;
struct device *dev_mc;
int i,j;
int coreid_bits;
int core_max = 0;
unsigned int ApicIdCoreIdSize;
unsigned int core_nums;
int siblings = 0;
unsigned int family;
dev_mc = pcidev_on_root(DEV_CDB, 0);
if (!dev_mc) {
printk(BIOS_ERR, "0:%02x.0 not found", DEV_CDB);
die("");
}
sysconf_init(dev_mc);
/* 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++) {
struct device *cdb_dev;
unsigned int devn;
struct bus *pbus;
devn = DEV_CDB + i;
pbus = dev_mc->bus;
/* Find the cpu's pci device */
cdb_dev = pcidev_on_root(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 = pcidev_on_root(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, 4);
}
family = cpuid_eax(1);
family = (family >> 20) & 0xFF;
if (family == 1) { //f10
u32 dword;
cdb_dev = pcidev_on_root(devn, 3);
dword = pci_read_config32(cdb_dev, 0xe8);
siblings = ((dword & BIT15) >> 13) | ((dword & (BIT13 | BIT12)) >> 12);
} else if (family == 6) {//f15
cdb_dev = pcidev_on_root(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++) {
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
*
* 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);
}
u32 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, apic_id);
struct device *cpu = add_cpu_device(cpu_bus, apic_id, enable_node);
if (cpu)
amd_cpu_topology(cpu, i, j);
} //j
}
}
static void cpu_bus_init(struct device *dev)
{
initialize_cpus(dev->link_list);
}
static struct device_operations cpu_bus_ops = {
.read_resources = noop_read_resources,
.set_resources = noop_set_resources,
.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_family15tn_root_complex_ops = {
CHIP_NAME("AMD Family 15tn Root Complex")
.enable_dev = root_complex_enable_dev,
};
/*********************************************************************
* Change the vendor / device IDs to match the generic VBIOS header. *
*********************************************************************/
u32 map_oprom_vendev(u32 vendev)
{
u32 new_vendev = vendev;
switch (vendev) {
case 0x10029900: /* AMD Radeon HD 7660G (Trinity) */
case 0x10029901: /* AMD Radeon HD 7660D (Trinity) */
case 0x10029903: /* AMD Radeon HD 7640G (Trinity) */
case 0x10029904: /* AMD Radeon HD 7560D (Trinity) */
case 0x10029907: /* AMD Radeon HD 7620G (Trinity) */
case 0x10029908: /* AMD Radeon HD 7600G (Trinity) */
case 0x1002990A: /* AMD Radeon HD 7500G (Trinity) */
case 0x1002990B: /* AMD Radeon HD 8650G (Richland) */
case 0x1002990C: /* AMD Radeon HD 8670D (Richland) */
case 0x1002990D: /* AMD Radeon HD 8550G (Richland) */
case 0x1002990E: /* AMD Radeon HD 8570D (Richland) */
case 0x1002990F: /* AMD Radeon HD 8610G (Richland) */
case 0x10029910: /* AMD Radeon HD 7660G (Trinity) */
case 0x10029913: /* AMD Radeon HD 7640G (Trinity) */
case 0x10029917: /* AMD Radeon HD 7620G (Trinity) */
case 0x10029918: /* AMD Radeon HD 7600G (Trinity) */
case 0x10029919: /* AMD Radeon HD 7500G (Trinity) */
case 0x10029990: /* AMD Radeon HD 7520G (Trinity) */
case 0x10029991: /* AMD Radeon HD 7540D (Trinity) */
case 0x10029992: /* AMD Radeon HD 7420G (Trinity) */
case 0x10029993: /* AMD Radeon HD 7480D (Trinity) */
case 0x10029994: /* AMD Radeon HD 7400G (Trinity) */
case 0x10029995: /* AMD Radeon HD 8450G (Richland) */
case 0x10029996: /* AMD Radeon HD 8470D (Richland) */
case 0x10029997: /* AMD Radeon HD 8350G (Richland) */
case 0x10029998: /* AMD Radeon HD 8370D (Richland) */
case 0x10029999: /* AMD Radeon HD 8510G (Richland) */
case 0x1002999A: /* AMD Radeon HD 8410G (Richland) */
case 0x1002999B: /* AMD Radeon HD 8310G (Richland) */
case 0x1002999C: /* AMD Radeon HD 8650D (Richland) */
case 0x1002999D: /* AMD Radeon HD 8550D (Richland) */
case 0x100299A0: /* AMD Radeon HD 7520G (Trinity) */
case 0x100299A2: /* AMD Radeon HD 7420G (Trinity) */
case 0x100299A4: /* AMD Radeon HD 7400G (Trinity) */
new_vendev = 0x10029901;
break;
}
return new_vendev;
}