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Diffstat (limited to 'src/northbridge/amd/amdfam10')
-rw-r--r--src/northbridge/amd/amdfam10/northbridge.c185
1 files changed, 79 insertions, 106 deletions
diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c
index 009b57becc..a25a8df4e8 100644
--- a/src/northbridge/amd/amdfam10/northbridge.c
+++ b/src/northbridge/amd/amdfam10/northbridge.c
@@ -55,6 +55,7 @@ static device_t __f0_dev[FX_DEVS];
static device_t __f1_dev[FX_DEVS];
static device_t __f2_dev[FX_DEVS];
static device_t __f4_dev[FX_DEVS];
+static unsigned fx_devs=0;
device_t get_node_pci(u32 nodeid, u32 fn)
{
@@ -68,37 +69,37 @@ device_t get_node_pci(u32 nodeid, u32 fn)
#else
return dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB + nodeid, fn));
#endif
-
}
+
static void get_fx_devs(void)
{
int i;
- if (__f1_dev[0]) {
- return;
- }
for(i = 0; i < FX_DEVS; 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]) {
- printk(BIOS_ERR, "Cannot find %02x:%02x.1", CONFIG_CBB, CONFIG_CDB);
- die("Cannot go on\n");
+ 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(u32 reg)
+static u32 f1_read_config32(unsigned reg)
{
- get_fx_devs();
+ if (fx_devs == 0)
+ get_fx_devs();
return pci_read_config32(__f1_dev[0], reg);
}
-static void f1_write_config32(u32 reg, u32 value)
+static void f1_write_config32(unsigned reg, u32 value)
{
int i;
- get_fx_devs();
- for(i = 0; i < FX_DEVS; 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) {
@@ -107,7 +108,6 @@ static void f1_write_config32(u32 reg, u32 value)
}
}
-
static u32 amdfam10_nodeid(device_t dev)
{
#if NODE_NUMS == 64
@@ -197,11 +197,10 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, u32 link, u32 sblink,
* We have no idea how many busses are behind this bridge yet,
* so we set the subordinate bus number to 0xff for the moment.
*/
-
#if CONFIG_SB_HT_CHAIN_ON_BUS0 > 0
// first chain will on bus 0
if((nodeid == 0) && (sblink==link)) { // actually max is 0 here
- min_bus = max;
+ min_bus = max;
}
#if CONFIG_SB_HT_CHAIN_ON_BUS0 > 1
// second chain will be on 0x40, third 0x80, forth 0xc0
@@ -211,12 +210,12 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, u32 link, u32 sblink,
min_bus = ((busn>>3) + 1) << 3; // one node can have 8 link and segn is the same
}
max = min_bus | (segn<<8);
- #else
+ #else
//other ...
else {
min_bus = ++max;
}
- #endif
+ #endif
#else
min_bus = ++max;
#endif
@@ -224,6 +223,7 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, u32 link, u32 sblink,
dev->link[link].secondary = min_bus;
dev->link[link].subordinate = max_bus;
+
/* Read the existing primary/secondary/subordinate bus
* number configuration.
*/
@@ -257,7 +257,6 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, u32 link, u32 sblink,
max = hypertransport_scan_chain(&dev->link[link], 0, max_devfn, max, ht_unitid_base, offset_unitid);
-
/* We know the number of busses behind this bridge. Set the
* subordinate bus number to it's real value
*/
@@ -270,7 +269,7 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, u32 link, u32 sblink,
sysconf.ht_c_num++;
{
- // config config_reg, and ht_unitid_base to update hcdn_reg;
+ // use ht_unitid_base to update hcdn_reg
u32 temp = 0;
for(i=0;i<4;i++) {
temp |= (ht_unitid_base[i] & 0xff) << (i*8);
@@ -279,23 +278,19 @@ static u32 amdfam10_scan_chain(device_t dev, u32 nodeid, u32 link, u32 sblink,
sysconf.hcdn_reg[ht_c_index] = temp;
}
-
- store_ht_c_conf_bus(nodeid, link, ht_c_index, dev->link[link].secondary, dev->link[link].subordinate, &sysconf);
-
-
+ store_ht_c_conf_bus(nodeid, link, ht_c_index, dev->link[link].secondary, dev->link[link].subordinate, &sysconf);
return max;
}
static u32 amdfam10_scan_chains(device_t dev, u32 max)
{
- u32 nodeid;
+ unsigned nodeid;
u32 link;
- u32 sblink = sysconf.sblk;
- u32 offset_unitid = 0;
+ unsigned sblink = sysconf.sblk;
+ unsigned offset_unitid = 0;
nodeid = amdfam10_nodeid(dev);
-
// Put sb chain in bus 0
#if CONFIG_SB_HT_CHAIN_ON_BUS0 > 0
if(nodeid==0) {
@@ -306,12 +301,10 @@ static u32 amdfam10_scan_chains(device_t dev, u32 max)
}
#endif
-
#if CONFIG_PCI_BUS_SEGN_BITS
max = check_segn(dev, max, sysconf.nodes, &sysconf);
#endif
-
for(link = 0; link < dev->links; link++) {
#if CONFIG_SB_HT_CHAIN_ON_BUS0 > 0
if( (nodeid == 0) && (sblink == link) ) continue; //already done
@@ -330,14 +323,14 @@ static u32 amdfam10_scan_chains(device_t dev, u32 max)
}
-static int reg_useable(u32 reg,device_t goal_dev, u32 goal_nodeid,
- u32 goal_link)
+static int reg_useable(unsigned reg, device_t goal_dev, unsigned goal_nodeid,
+ unsigned goal_link)
{
struct resource *res;
- u32 nodeid, link = 0;
+ unsigned nodeid, link = 0;
int result;
res = 0;
- for(nodeid = 0; !res && (nodeid < NODE_NUMS); nodeid++) {
+ for(nodeid = 0; !res && (nodeid < fx_devs); nodeid++) {
device_t dev;
dev = __f0_dev[nodeid];
if (!dev)
@@ -358,7 +351,7 @@ static int reg_useable(u32 reg,device_t goal_dev, u32 goal_nodeid,
return result;
}
-static struct resource *amdfam10_find_iopair(device_t dev, u32 nodeid, u32 link)
+static struct resource *amdfam10_find_iopair(device_t dev, unsigned nodeid, unsigned link)
{
struct resource *resource;
u32 free_reg, reg;
@@ -433,7 +426,7 @@ 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);
+ resource = amdfam10_find_iopair(dev, nodeid, link);
if (resource) {
u32 align;
#if CONFIG_EXT_CONF_SUPPORT == 1
@@ -454,12 +447,13 @@ static void amdfam10_link_read_bases(device_t dev, u32 nodeid, u32 link)
/* 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->base = 0;
+ resource->size = 0;
resource->align = log2(HT_MEM_HOST_ALIGN);
- resource->gran = log2(HT_MEM_HOST_ALIGN);
+ resource->gran = log2(HT_MEM_HOST_ALIGN);
resource->limit = 0xffffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH | IORESOURCE_BRIDGE;
+ resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
+ resource->flags |= IORESOURCE_BRIDGE;
#if CONFIG_EXT_CONF_SUPPORT == 1
if((resource->index & 0x1fff) == 0x1110) { // ext
@@ -472,23 +466,20 @@ static void amdfam10_link_read_bases(device_t dev, u32 nodeid, u32 link)
/* Initialize the memory constraints on the current bus */
resource = amdfam10_find_mempair(dev, nodeid, link);
if (resource) {
- resource->base = 0;
- resource->size = 0;
+ resource->base = 0;
+ resource->size = 0;
resource->align = log2(HT_MEM_HOST_ALIGN);
- resource->gran = log2(HT_MEM_HOST_ALIGN);
+ resource->gran = log2(HT_MEM_HOST_ALIGN);
resource->limit = 0xffffffffffULL;
resource->flags = IORESOURCE_MEM | IORESOURCE_BRIDGE;
-
#if CONFIG_EXT_CONF_SUPPORT == 1
if((resource->index & 0x1fff) == 0x1110) { // ext
normalize_resource(resource);
}
#endif
-
}
}
-
static void amdfam10_read_resources(device_t dev)
{
u32 nodeid, link;
@@ -501,7 +492,6 @@ static void amdfam10_read_resources(device_t dev)
}
}
-
static void amdfam10_set_resource(device_t dev, struct resource *resource,
u32 nodeid)
{
@@ -613,7 +603,6 @@ static void amdfam10_set_resources(device_t dev)
}
}
-
static void amdfam10_enable_resources(device_t dev)
{
pci_dev_enable_resources(dev);
@@ -665,14 +654,14 @@ static void amdfam10_domain_read_resources(device_t dev)
} else { // io
nodeid = (limit & 0xf) + ((base>>4)&0x30);
}
- reg_link = (limit >> 4) & 7;
+ reg_link = (limit >> 4) & 7;
reg_dev = __f0_dev[nodeid];
if (reg_dev) {
/* Reserve the resource */
- struct resource *reg_resource;
- reg_resource = new_resource(reg_dev, IOINDEX(0x1000 + reg, reg_link));
- if (reg_resource) {
- reg_resource->flags = 1;
+ struct resource *res;
+ res = new_resource(reg_dev, IOINDEX(0x1000 + reg, reg_link));
+ if (res) {
+ res->flags = 1;
}
}
}
@@ -714,8 +703,8 @@ static void ram_resource(device_t dev, unsigned long index,
return;
}
resource = new_resource(dev, index);
- resource->base = basek << 10;
- resource->size = sizek << 10;
+ resource->base = basek << 10;
+ resource->size = sizek << 10;
resource->flags = IORESOURCE_MEM | IORESOURCE_CACHEABLE | \
IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
}
@@ -798,9 +787,9 @@ static struct hw_mem_hole_info get_hw_mem_hole_info(void)
// WHY this check? CONFIG_AMDMCT is enabled on all Fam10 boards.
// Does it make sense not to?
#if CONFIG_AMDMCT == 0
-static void disable_hoist_memory(unsigned long hole_startk, int i)
+static void disable_hoist_memory(unsigned long hole_startk, int node_id)
{
- int ii;
+ int i;
device_t dev;
struct dram_base_mask_t d;
u32 sel_m;
@@ -811,7 +800,7 @@ static void disable_hoist_memory(unsigned long hole_startk, int i)
u32 one_DCT;
struct sys_info *sysinfox = (struct sys_info *)((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
struct mem_info *meminfo;
- meminfo = &sysinfox->meminfo[i];
+ meminfo = &sysinfox->meminfo[node_id];
one_DCT = get_one_DCT(meminfo);
@@ -824,54 +813,52 @@ static void disable_hoist_memory(unsigned long hole_startk, int i)
hole_sizek = (4*1024*1024) - hole_startk;
- for(ii=NODE_NUMS-1;ii>i;ii--) {
+ for(i=NODE_NUMS-1;i>node_id;i--) {
- d = get_dram_base_mask(ii);
+ d = get_dram_base_mask(i);
if(!(d.mask & 1)) continue;
d.base -= (hole_sizek>>9);
d.mask -= (hole_sizek>>9);
- set_dram_base_mask(ii, d, sysconf.nodes);
+ set_dram_base_mask(i, d, sysconf.nodes);
- if(get_DctSelHiEn(ii) & 1) {
- sel_m = get_DctSelBaseAddr(ii);
+ if(get_DctSelHiEn(i) & 1) {
+ sel_m = get_DctSelBaseAddr(i);
sel_m -= hole_startk>>10;
- set_DctSelBaseAddr(ii, sel_m);
+ set_DctSelBaseAddr(i, sel_m);
}
}
- d = get_dram_base_mask(i);
- dev = __f1_dev[i];
- hoist = pci_read_config32(dev, 0xf0);
- sel_hi_en = get_DctSelHiEn(i);
+ d = get_dram_base_mask(node_id);
+ dev = __f1_dev[node_id];
+ sel_hi_en = get_DctSelHiEn(node_id);
if(sel_hi_en & 1) {
- sel_m = get_DctSelBaseAddr(i);
+ sel_m = get_DctSelBaseAddr(node_id);
}
-
+ hoist = pci_read_config32(dev, 0xf0);
if(hoist & 1) {
pci_write_config32(dev, 0xf0, 0);
d.mask -= (hole_sizek>>9);
- set_dram_base_mask(i, d, sysconf.nodes);
+ set_dram_base_mask(node_id, d, sysconf.nodes);
if(one_DCT || (sel_m >= (hole_startk>>10))) {
if(sel_hi_en & 1) {
sel_m -= hole_startk>>10;
- set_DctSelBaseAddr(i, sel_m);
+ set_DctSelBaseAddr(node_id, sel_m);
}
}
if(sel_hi_en & 1) {
- set_DctSelBaseOffset(i, 0);
+ set_DctSelBaseOffset(node_id, 0);
}
- }
- else {
+ } else {
d.base -= (hole_sizek>>9);
d.mask -= (hole_sizek>>9);
- set_dram_base_mask(i, d, sysconf.nodes);
+ set_dram_base_mask(node_id, d, sysconf.nodes);
if(sel_hi_en & 1) {
sel_m -= hole_startk>>10;
- set_DctSelBaseAddr(i, sel_m);
+ set_DctSelBaseAddr(node_id, sel_m);
}
}
@@ -885,7 +872,7 @@ static void disable_hoist_memory(unsigned long hole_startk, int i)
extern uint64_t high_tables_base, high_tables_size;
#endif
-static void pci_domain_set_resources(device_t dev)
+static void amdfam10_domain_set_resources(device_t dev)
{
#if CONFIG_PCI_64BIT_PREF_MEM == 1
struct resource *io, *mem1, *mem2;
@@ -902,7 +889,7 @@ static void pci_domain_set_resources(device_t dev)
#if CONFIG_PCI_64BIT_PREF_MEM == 1
- for(link=0; link<dev->links; link++) {
+ for(link = 0; link < dev->links; link++) {
/* Now reallocate the pci resources memory with the
* highest addresses I can manage.
*/
@@ -946,16 +933,13 @@ static void pci_domain_set_resources(device_t dev)
for(res = &dev->resource_list; res; res = res->next)
{
res->flags |= IORESOURCE_ASSIGNED;
- res->flags &= ~IORESOURCE_STORED;
- link = (res>>2) & 3;
res->flags |= IORESOURCE_STORED;
report_resource_stored(dev, res, "");
-
}
#endif
pci_tolm = 0xffffffffUL;
- for(link=0;link<dev->links; link++) {
+ for(link = 0; link<dev->links; link++) {
pci_tolm = find_pci_tolm(&dev->link[link], pci_tolm);
}
@@ -967,7 +951,7 @@ static void pci_domain_set_resources(device_t dev)
// 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 hold to 64M */
+ /* Round the mmio hole to 64M */
mmio_basek &= ~((64*1024) - 1);
#if CONFIG_HW_MEM_HOLE_SIZEK != 0
@@ -1057,11 +1041,11 @@ static void pci_domain_set_resources(device_t dev)
idx += 0x10;
sizek -= pre_sizek;
#if CONFIG_WRITE_HIGH_TABLES==1
- if (i==0 && high_tables_base==0) {
+ if (high_tables_base==0) {
/* Leave some space for ACPI, PIRQ and MP tables */
high_tables_base = (mmio_basek - HIGH_TABLES_SIZE) * 1024;
high_tables_size = HIGH_TABLES_SIZE * 1024;
- printk(BIOS_DEBUG, "(split)%xK table at =%08llx\n", HIGH_TABLES_SIZE,
+ printk(BIOS_DEBUG, " split: %dK table at =%08llx\n", HIGH_TABLES_SIZE,
high_tables_base);
}
#endif
@@ -1092,7 +1076,7 @@ static void pci_domain_set_resources(device_t dev)
#if CONFIG_WRITE_HIGH_TABLES==1
printk(BIOS_DEBUG, "%d: mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n",
i, mmio_basek, basek, limitk);
- if (i==0 && high_tables_base==0) {
+ if (high_tables_base==0) {
/* Leave some space for ACPI, PIRQ and MP tables */
high_tables_base = (limitk - HIGH_TABLES_SIZE) * 1024;
high_tables_size = HIGH_TABLES_SIZE * 1024;
@@ -1130,7 +1114,7 @@ static u32 amdfam10_domain_scan_bus(device_t dev, u32 max)
#endif
- for(i=0;i<dev->links;i++) {
+ for(i = 0; i < dev->links; i++) {
max = pci_scan_bus(&dev->link[i], PCI_DEVFN(CONFIG_CDB, 0), 0xff, max);
}
@@ -1138,7 +1122,7 @@ static u32 amdfam10_domain_scan_bus(device_t dev, u32 max)
* Including enabling relaxed ordering if it is safe.
*/
get_fx_devs();
- for(i = 0; i < FX_DEVS; i++) {
+ for(i = 0; i < fx_devs; i++) {
device_t f0_dev;
f0_dev = __f0_dev[i];
if (f0_dev && f0_dev->enabled) {
@@ -1160,7 +1144,7 @@ static u32 amdfam10_domain_scan_bus(device_t dev, u32 max)
static struct device_operations pci_domain_ops = {
.read_resources = amdfam10_domain_read_resources,
- .set_resources = pci_domain_set_resources,
+ .set_resources = amdfam10_domain_set_resources,
.enable_resources = enable_childrens_resources,
.init = 0,
.scan_bus = amdfam10_domain_scan_bus,
@@ -1208,11 +1192,9 @@ static void sysconf_init(device_t dev) // first node
} else {
sysconf.lift_bsp_apicid = 1;
}
-
}
#endif
#endif
-
}
static u32 cpu_bus_scan(device_t dev, u32 max)
@@ -1243,11 +1225,7 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
get_option(&disable_siblings, "multi_core");
#endif
- // for pre_e0, nb_cfg_54 can not be set, ( even set, when you read it
- // still be 0)
- // How can I get the nb_cfg_54 of every node' nb_cfg_54 in bsp???
- // and differ d0 and e0 single core
-
+ // 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
@@ -1264,7 +1242,6 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
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) {
@@ -1342,9 +1319,9 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
cdb_dev = pci_probe_dev(NULL, pbus,
PCI_DEVFN(devn, fn));
}
- cdb_dev = dev_find_slot(busn, PCI_DEVFN(devn,0));
+ cdb_dev = dev_find_slot(busn, PCI_DEVFN(devn, 0));
}
- if(cdb_dev) {
+ if (cdb_dev) {
/* Ok, We need to set the links for that device.
* otherwise the device under it will not be scanned
*/
@@ -1355,7 +1332,7 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
#else
linknum = 4;
#endif
- if(cdb_dev->links < linknum) {
+ if (cdb_dev->links < linknum) {
for(link=cdb_dev->links; link<linknum; link++) {
cdb_dev->link[link].link = link;
cdb_dev->link[link].dev = cdb_dev;
@@ -1412,14 +1389,14 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
cpu->path.apic.node_id = i;
cpu->path.apic.core_id = j;
#if (CONFIG_ENABLE_APIC_EXT_ID == 1) && (CONFIG_APIC_ID_OFFSET>0)
- if(sysconf.enabled_apic_ext_id) {
+ if(sysconf.enabled_apic_ext_id) {
if(sysconf.lift_bsp_apicid) {
cpu->path.apic.apic_id += sysconf.apicid_offset;
} else
{
if (cpu->path.apic.apic_id != 0)
cpu->path.apic.apic_id += sysconf.apicid_offset;
- }
+ }
}
#endif
printk(BIOS_DEBUG, "CPU: %s %s\n",
@@ -1431,18 +1408,15 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
return max;
}
-
static void cpu_bus_init(device_t dev)
{
initialize_cpus(&dev->link[0]);
}
-
static void cpu_bus_noop(device_t dev)
{
}
-
static struct device_operations cpu_bus_ops = {
.read_resources = cpu_bus_noop,
.set_resources = cpu_bus_noop,
@@ -1451,7 +1425,6 @@ static struct device_operations cpu_bus_ops = {
.scan_bus = cpu_bus_scan,
};
-
static void root_complex_enable_dev(struct device *dev)
{
/* Set the operations if it is a special bus type */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 07:50:06 +0000