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update broastcast table for K8 4p above 

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1827 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Yinghai Lu 2004-12-22 03:14:50 +00:00
parent 6a5d99bde4
commit e2b2006406
1 changed files with 75 additions and 43 deletions
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118
src/northbridge/amd/amdk8/coherent_ht.c
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@ -303,9 +303,28 @@ static void setup_row_local(u8 source, u8 row) // source will be 7 when it is fo
static void setup_row_direct(u8 source, u8 dest, u8 linkn)
{
uint32_t val;
val = 1<<16;
val |= 1<<(linkn+1);
uint32_t val_s;
val = 1<<(linkn+1);
val |= 1<<(linkn+1+8); //for direct connect response route should equal to request table
#if !CROSS_BAR_47_56
if((source &1)!=(dest &1)){
val |= (1<<16);
} else {
val_s = get_row(source, source);
val |= ((val_s>>16) - (1<<(linkn+1)))<<16;
}
#else
if(((source &1)!=(dest &1)) && (source<4) &&(dest<<4)){
val |= (1<<16);
} else {
//for CROSS_BAR_47_56 47, 74, 56, 65 should be here too
val_s = get_row(source, source);
val |= ((val_s>>16) - (1<<(linkn+1)))<<16;
}
#endif
fill_row(source,dest, val);
}
static uint8_t get_linkn_first(uint8_t byte)
@ -340,25 +359,22 @@ static void setup_row_indirect(u8 source, u8 dest, u8 gateway, u8 diff)
{
//for indirect connection, we need to compute the val from val_s(source, source), and val_g(source, gateway)
uint32_t val_s;
uint32_t val_g;
uint32_t val;
uint8_t byte;
#warning "FIXME is it the way to set the RESPONSE TABLE for indirect?"
#warning "FIXME I don't know how to set BROADCAST TABLE for indirect, 1?"
val_s = get_row(source, source);
val_g = get_row(source, gateway);
val = get_row(source, gateway);
val = val_g & 0xff;
val &= 0xffff;
val_s >>=16;
val_s &=0xfe;
#if !CROSS_BAR_47_56
if(((source&1)!=(dest &1)) && (val_s!=val) ) { // use another connect as response
val_s -= val;
#if CONFIG_MAX_CPUS>4
uint8_t byte;
// Some node have two links left
byte = val_s;
byte = get_linkn_last_count(byte);
if((byte>>2)>1) {
if((byte>>2)>1) { // make sure not the corner
if(source<dest) {
val_s-=link_connection(source, source-2); // - down
} else {
@ -366,19 +382,29 @@ static void setup_row_indirect(u8 source, u8 dest, u8 gateway, u8 diff)
}
}
#endif
val |= (1<<16) | (val_s<<8);
} else {
val = val_g; // all the same to gateway
val &= 0xff;
val |= (val_s<<8);
}
if((source&1)!=(dest &1)) { // different rungs
val |= (1<<16);
}
else {
val_s = get_row(source, source);
val |= ((val_s>>16) - link_connection(source, gateway))<<16;
}
#else
if(diff && (val_s!=val) ) { // use another connect as response
val_s -= val;
#if CONFIG_MAX_CPUS>4
uint8_t byte;
// Some node have two links left
// don't worry we only have (2, (3 as source need to handle
byte = val_s;
byte = get_linkn_last_count(byte);
if((byte>>2)>1) {
if((byte>>2)>1) { // make sure not the corner
if(source<dest) {
val_s-=link_connection(source, source-2); // -down
} else {
@ -386,9 +412,16 @@ static void setup_row_indirect(u8 source, u8 dest, u8 gateway, u8 diff)
}
}
#endif
val |= (1<<16) | (val_s<<8);
} else {
val = val_g; // all the same to gateway
val &= 0xff;
val |= (val_s<<8);
}
if(diff) { // cross rung?
val |= (1<<16);
}
else {
val_s = get_row(source, source);
val |= ((val_s>>16) - link_connection(source, gateway))<<16;
}
#endif
@ -424,36 +457,30 @@ static void clear_temp_row(u8 source)
static void setup_remote_row_direct(u8 source, u8 dest, u8 linkn)
{
uint32_t val;
val = 1<<16;
val |= 1<<(linkn+1);
uint32_t val_s;
val = 1<<(linkn+1);
val |= 1<<(linkn+1+8); //for direct connect response route should equal to request table
#if !CROSS_BAR_47_56
if((source &1)!=(dest &1)){
val |= (1<<16);
} else {
//for CROSS_BAR_47_56 47, 74, 56, 65 should be here too
val_s = get_row(7, source);
val |= ((val_s>>16) - (1<<(linkn+1)))<<16;
}
#else
if(((source &1)!=(dest &1)) && (source<4) &&(dest<<4)){
val |= (1<<16);
} else {
//for CROSS_BAR_47_56 47, 74, 56, 65 should be here too
val_s = get_row(7, source);
val |= ((val_s>>16) - (1<<(linkn+1)))<<16;
}
#endif
fill_row(7,dest, val );
}
#if CONFIG_MAX_CPUS>2
static void setup_remote_row_indirect(u8 source, u8 dest, u8 gateway)
{
//for indirect connection, we need to compute the val from val_s(source, source), and val_g(source, gateway)
uint32_t val_s;
uint32_t val_g;
uint32_t val;
val_s = get_row(7, source);
val_g = get_row(7, gateway);
val = val_g & 0xff;
val_s >>=16;
val_s &=0xfe;
if(val_s!=val) { // use another connect as response
val_s -= val;
val |= 1 | (val_s<<8);
} else {
val = val_g; // all the same to gateway
}
fill_row(7, dest, val);
}
#endif
static void setup_remote_node(u8 node)
{
@ -487,6 +514,10 @@ static void setup_remote_node(u8 node)
static void setup_uniprocessor(void)
{
print_spew("Enabling UP settings\r\n");
#if CONFIG_LOGICAL_CPUS==1
unsigned tmp = (pci_read_config32(NODE_MC(0), 0xe8) >> 12) & 3;
if (tmp>0) return;
#endif
disable_probes();
}
@ -1248,6 +1279,7 @@ static unsigned verify_mp_capabilities(unsigned nodes)
return 1;
}
static void clear_dead_routes(unsigned nodes)
{
int last_row;