8 ways support changes

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1826 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Yinghai Lu 2004-12-22 00:58:50 +00:00
parent 1de80941c2
commit 6a5d99bde4
1 changed files with 124 additions and 61 deletions

View File

@ -308,27 +308,90 @@ static void setup_row_direct(u8 source, u8 dest, u8 linkn)
val |= 1<<(linkn+1+8); //for direct connect response route should equal to request table
fill_row(source,dest, val);
}
static uint8_t get_linkn_first(uint8_t byte)
{
if(byte & 0x02) { byte = 0; }
else if(byte & 0x04) { byte = 1; }
else if(byte & 0x08) { byte = 2; }
return byte;
}
static uint8_t get_linkn_last(uint8_t byte)
{
if(byte & 0x02) { byte &= 0x0f; byte |= 0x00; }
if(byte & 0x04) { byte &= 0x0f; byte |= 0x10; }
if(byte & 0x08) { byte &= 0x0f; byte |= 0x20; }
return byte>>4;
}
static uint8_t get_linkn_last_count(uint8_t byte)
{
byte &= 0x3f;
if(byte & 0x02) { byte &= 0xcf; byte |= 0x00; byte+=0x40; }
if(byte & 0x04) { byte &= 0xcf; byte |= 0x10; byte+=0x40; }
if(byte & 0x08) { byte &= 0xcf; byte |= 0x20; byte+=0x40; }
return byte>>4;
}
#if CONFIG_MAX_CPUS>2
#if !CROSS_BAR_47_56
static void setup_row_indirect(u8 source, u8 dest, u8 gateway)
#else
static void setup_row_indirect(u8 source, u8 dest, u8 gateway, u8 diff)
#endif
{
//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 = val_g & 0xff;
val_s >>=16;
val_s &=0xfe;
if(val_s!=val) { // use another connect as response
#if !CROSS_BAR_47_56
if(((source&1)!=(dest &1)) && (val_s!=val) ) { // use another connect as response
val_s -= val;
#warning "FIXME I don't know how to set BROADCAST TABLE for indirect, 1?"
#if CONFIG_MAX_CPUS>4
// Some node have two links left
byte = val_s;
byte = get_linkn_last_count(byte);
if((byte>>2)>1) {
if(source<dest) {
val_s-=link_connection(source, source-2); // - down
} else {
val_s-=link_connection(source, source+2); // - up
}
}
#endif
val |= (1<<16) | (val_s<<8);
} else {
val = val_g; // all the same to gateway
}
#else
if(diff && (val_s!=val) ) { // use another connect as response
val_s -= val;
#if CONFIG_MAX_CPUS>4
// 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(source<dest) {
val_s-=link_connection(source, source-2); // -down
} else {
val_s-=link_connection(source, source+2); // -up
}
}
#endif
val |= (1<<16) | (val_s<<8);
} else {
val = val_g; // all the same to gateway
}
#endif
fill_row(source, dest, val);
@ -336,8 +399,13 @@ static void setup_row_indirect(u8 source, u8 dest, u8 gateway)
static void setup_row_indirect_group(const u8 *conn, int num)
{
int i;
for(i=0; i<num; i+=3) {
for(i=0; i<num; i+=4) {
#if !CROSS_BAR_47_56
setup_row_indirect(conn[i*3], conn[i*3+1],conn[i*3+2]);
#else
setup_row_indirect(conn[i*4], conn[i*4+1],conn[i*4+2], conn[i*4+3]);
#endif
}
}
#endif
@ -441,29 +509,6 @@ static int optimize_connection_group(const u8 *opt_conn, int num) {
#endif
#if CONFIG_MAX_CPUS > 1
static uint8_t get_linkn_first(uint8_t byte)
{
if(byte & 0x02) { byte = 0; }
else if(byte & 0x04) { byte = 1; }
else if(byte & 0x08) { byte = 2; }
return byte;
}
static uint8_t get_linkn_last(uint8_t byte)
{
if(byte & 0x02) { byte &= 0x0f; byte |= 0x00; }
if(byte & 0x04) { byte &= 0x0f; byte |= 0x10; }
if(byte & 0x08) { byte &= 0x0f; byte |= 0x20; }
return byte>>4;
}
static uint8_t get_linkn_last_count(uint8_t byte)
{
byte &= 0x3f;
if(byte & 0x02) { byte &= 0xcf; byte |= 0x00; byte+=0x40; }
if(byte & 0x04) { byte &= 0xcf; byte |= 0x10; byte+=0x40; }
if(byte & 0x08) { byte &= 0xcf; byte |= 0x20; byte+=0x40; }
return byte>>4;
}
static struct setup_smp_result setup_smp(void)
{
struct setup_smp_result result;
@ -583,10 +628,17 @@ static struct setup_smp_result setup_smp(void)
/* We found 4 nodes so far. Now setup all nodes for 4p */
/* for indirect we will use clockwise routing */
#if !CROSS_BAR_47_56
static const u8 conn4_1[] = {
0,3,1,
1,2,3,
};
#else
static const u8 conn4_1[] = {
0,3,1,1,
1,2,3,1,
};
#endif
setup_row_indirect_group(conn4_1, sizeof(conn4_1)/sizeof(conn4_1[0]));
@ -661,10 +713,17 @@ static struct setup_smp_result setup_smp(void)
setup_row_direct(3,2, byte & 0x3);
/* Set indirect connection to 0, and 1 for indirect we will use clockwise routing */
#if !CROSS_BAR_47_56
static const u8 conn4_2[] = {
2,1,0,
3,0,2,
};
#else
static const u8 conn4_2[] = {
2,1,0,1,
3,0,2,1,
};
#endif
setup_row_indirect_group(conn4_2, sizeof(conn4_2)/sizeof(conn4_2[0]));
@ -740,15 +799,20 @@ static struct setup_smp_result setup_smp(void)
/* We found 6 nodes so far. Now setup all nodes for 6p */
static const u8 conn6_1[] = {
#if !CROSS_BAR_47_56
0, 4, 2,
0, 5, 1,
1, 4, 3,
1, 5, 3,
2, 5, 3,
#if !CROSS_BAR_47_56
3, 4, 5,
#else
3, 4, 2,
0, 4, 2, 0,
0, 5, 1, 1,
1, 4, 3, 1,
1, 5, 3, 0,
2, 5, 3, 0,
3, 4, 2, 0,
#endif
};
@ -839,15 +903,14 @@ static struct setup_smp_result setup_smp(void)
5, 2, 4,
5, 1, 3,
#else
4, 0, 2,
4, 1, 2,
4, 3, 2,
4, 5, 2,
5, 0, 3,
5, 2, 3,
5, 1, 3,
5, 4, 3,
4, 0, 2, 0,
4, 1, 2, 0,
4, 3, 2, 0,
4, 5, 2, 0,
5, 0, 3, 0,
5, 2, 3, 0,
5, 1, 3, 0,
5, 4, 3, 0,
#endif
};
@ -947,14 +1010,14 @@ static struct setup_smp_result setup_smp(void)
// 3, 7, 5,
// 4, 7, 5,
#else
0, 6, 2,
// 0, 7, 2,
1, 6, 3,
// 1, 7, 3,
2, 6, 4,
// 2, 7, 4,
3, 6, 5,
// 3, 7, 5,
0, 6, 2, 0,
// 0, 7, 2, 0,
1, 6, 3, 0,
// 1, 7, 3, 0,
2, 6, 4, 0,
// 2, 7, 4, 0,
3, 6, 5, 0,
// 3, 7, 5, 0,
#endif
};
@ -1116,21 +1179,21 @@ static struct setup_smp_result setup_smp(void)
7, 3, 5,
7, 4, 6,
#else
0, 7, 2, // restore it
1, 7, 3,
2, 7, 4,
3, 7, 5,
0, 7, 2, 0, // restore it
1, 7, 3, 0,
2, 7, 4, 0,
3, 7, 5, 0,
6, 0, 4,
6, 1, 4,
6, 2, 4,
6, 3, 4,
7, 0, 4,
7, 1, 5,
7, 2, 4,
7, 3, 5,
4, 5, 7,
5, 4, 6,
6, 0, 4, 0,
6, 1, 5, 0,
6, 2, 4, 0,
6, 3, 5, 0,
7, 0, 4, 0,
7, 1, 5, 0,
7, 2, 4, 0,
7, 3, 5, 0,
4, 5, 7, 0,
5, 4, 6, 0,
#endif
};