GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

8 ways works now 

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1904 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Yinghai Lu 2005-02-01 01:22:57 +00:00
parent 6360187e9e
commit 4d909049bc
1 changed files with 298 additions and 298 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

588
src/northbridge/amd/amdk8/coherent_ht.c
View File

@ -88,10 +88,20 @@ typedef uint32_t u32;
#define TRY_HIGH_FIRST 0
#endif
#ifndef K8_HT_FREQ_1G_SUPPORT
#define K8_HT_FREQ_1G_SUPPORT 0
#endif
#ifndef CONFIG_MAX_CPUS_4_BUT_MORE_INSTALLED
#define CONFIG_MAX_CPUS_4_BUT_MORE_INSTALLED 0
#endif
static inline void print_linkn (const char *strval, uint8_t byteval)
{
#if 1
print_debug(strval); print_debug_hex8(byteval); print_debug("\r\n");
#endif
}
static void disable_probes(void)
@ -263,22 +273,12 @@ static unsigned read_freq_cap(device_t dev, unsigned pos)
freq_cap = pci_read_config16(dev, pos);
freq_cap &= ~(1 << HT_FREQ_VENDOR); /* Ignore Vendor HT frequencies */
id = pci_read_config32(dev, 0);
#if 0
//is it coherent ht link?
/* AMD 8131 Errata 48 */
if (id == (PCI_VENDOR_ID_AMD | (PCI_DEVICE_ID_AMD_8131_PCIX << 16))) {
freq_cap &= ~(1 << HT_FREQ_800Mhz);
}
/* AMD 8151 Errata 23 */
if (id == (PCI_VENDOR_ID_AMD | (PCI_DEVICE_ID_AMD_8151_SYSCTRL << 16))) {
freq_cap &= ~(1 << HT_FREQ_800Mhz);
}
#endif
/* AMD K8 Unsupported 1Ghz? */
id = pci_read_config32(dev, 0);
if (id == (PCI_VENDOR_ID_AMD | (0x1100 << 16))) {
freq_cap &= ~(1 << HT_FREQ_1000Mhz);
}
return freq_cap;
}
@ -417,7 +417,7 @@ static uint8_t get_linkn_last(uint8_t byte)
static uint8_t get_linkn_last_count(uint8_t byte)
{
byte &= 0x3f;
byte &= 0x0f;
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; }
@ -467,7 +467,7 @@ static void setup_remote_node(u8 node)
#if CONFIG_MAX_CPUS > 2
#if !CROSS_BAR_47_56
static void setup_row_indirect_x(u8 temp, u8 source, u8 dest, u8 gateway)
static void setup_row_indirect_x(u8 temp, u8 source, u8 dest)
#else
static void setup_row_indirect_x(u8 temp, u8 source, u8 dest, u8 gateway, u8 diff)
#endif
@ -476,7 +476,13 @@ static void setup_row_indirect_x(u8 temp, u8 source, u8 dest, u8 gateway, u8 dif
uint32_t val_s;
uint32_t val;
#if !CROSS_BAR_47_56
u8 gateway;
u8 diff;
if(source<dest) {
gateway = source + 2;
} else {
gateway = source - 2;
}
#endif
val_s = get_row(temp, source);
val = get_row(temp, gateway);
@ -491,7 +497,7 @@ static void setup_row_indirect_x(u8 temp, u8 source, u8 dest, u8 gateway, u8 dif
if(diff && (val_s!=(val&0xff)) ) { /* use another connect as response*/
val_s -= val & 0xff;
#if CONFIG_MAX_CPUS > 4
#if (CONFIG_MAX_CPUS > 4) || (CONFIG_MAX_CPUS_4_BUT_MORE_INSTALLED == 1)
uint8_t byte;
/* Some node have two links left
* don't worry we only have (2, (3 as source need to handle
@ -523,9 +529,9 @@ static void setup_row_indirect_x(u8 temp, u8 source, u8 dest, u8 gateway, u8 dif
}
#if !CROSS_BAR_47_56
static void setup_row_indirect(u8 source, u8 dest, u8 gateway)
static void setup_row_indirect(u8 source, u8 dest)
{
setup_row_indirect_x(source, source, dest, gateway);
setup_row_indirect_x(source, source, dest);
}
#else
static void setup_row_indirect(u8 source, u8 dest, u8 gateway, u8 diff)
@ -539,8 +545,8 @@ static void setup_row_indirect_group(const u8 *conn, int num)
int i;
#if !CROSS_BAR_47_56
for(i=0; i<num; i+=3) {
setup_row_indirect(conn[i], conn[i+1],conn[i+2]);
for(i=0; i<num; i+=2) {
setup_row_indirect(conn[i], conn[i+1]);
#else
for(i=0; i<num; i+=4) {
setup_row_indirect(conn[i], conn[i+1],conn[i+2], conn[i+3]);
@ -550,9 +556,9 @@ static void setup_row_indirect_group(const u8 *conn, int num)
}
#if !CROSS_BAR_47_56
static void setup_remote_row_indirect(u8 source, u8 dest, u8 gateway)
static void setup_remote_row_indirect(u8 source, u8 dest)
{
setup_row_indirect_x(7, source, dest, gateway);
setup_row_indirect_x(7, source, dest);
}
#else
static void setup_remote_row_indirect(u8 source, u8 dest, u8 gateway, u8 diff)
@ -566,8 +572,8 @@ static void setup_remote_row_indirect_group(const u8 *conn, int num)
int i;
#if !CROSS_BAR_47_56
for(i=0; i<num; i+=3) {
setup_remote_row_indirect(conn[i], conn[i+1],conn[i+2]);
for(i=0; i<num; i+=2) {
setup_remote_row_indirect(conn[i], conn[i+1]);
#else
for(i=0; i<num; i+=4) {
setup_remote_row_indirect(conn[i], conn[i+1],conn[i+2], conn[i+3]);
@ -630,11 +636,7 @@ static struct setup_smp_result setup_smp2(void)
setup_row_direct(0,1, byte);
setup_temp_row(0, 1);
if (!check_connection(7)) {
print_spew("No connection to Node 1.\r\n");
result.nodes = 1;
return result;
}
check_connection(7);
/* We found 2 nodes so far */
val = pci_read_config32(NODE_HT(7), 0x6c);
@ -643,7 +645,7 @@ static struct setup_smp_result setup_smp2(void)
setup_row_local(7,1);
setup_remote_row_direct(1, 0, byte);
#if CONFIG_MAX_CPUS > 4
#if (CONFIG_MAX_CPUS > 4) || (CONFIG_MAX_CPUS_4_BUT_MORE_INSTALLED == 1)
val = get_row(7,1);
byte = (val>>16) & 0xfe;
byte = get_linkn_last_count(byte);
@ -655,20 +657,16 @@ static struct setup_smp_result setup_smp2(void)
#else
byte = get_linkn_last(byte); /* Max link to Node1*/
#endif
print_linkn("-->(0,1) link=", byte);
print_linkn("\t-->(0,1) link=", byte);
setup_row_direct(0,1, byte);
setup_temp_row(0, 1);
if (!check_connection(7)) {
print_spew("No connection to Node 1.\r\n");
result.nodes = 1;
return result;
}
check_connection(7);
/* We found 2 nodes so far */
val = pci_read_config32(NODE_HT(7), 0x6c);
byte = (val>>2) & 0x3; /* get default link on node7 to node0*/
print_linkn("-->(1,0) link=", byte);
print_linkn("\t-->(1,0) link=", byte);
setup_row_local(7,1);
setup_remote_row_direct(1, 0, byte);
}
@ -714,13 +712,6 @@ static struct setup_smp_result setup_smp4(int needs_reset)
byte &= 3; /* bit [3,2] is count-1*/
print_linkn("(0,2) link=", byte);
setup_row_direct(0, 2, byte); /*(0,2) direct link done*/
setup_temp_row(0, 2);
if (!check_connection(7) ) {
print_spew("No connection to Node 2.\r\n");
result.nodes = 2;
return result;
}
/* We found 3 nodes so far. Now setup a temporary
* connection from node 0 to node 3 via node 1
@ -732,19 +723,13 @@ static struct setup_smp_result setup_smp4(int needs_reset)
byte = get_linkn_first(byte);
print_linkn("(1,3) link=", byte);
setup_row_direct(1,3,byte); /* (1, 3) direct link done*/
setup_temp_row(1,3); /* temp. link between nodes 1 and 3 */
if (!check_connection(7)) {
print_spew("No connection to Node 3.\r\n");
result.nodes = 2;
return result;
}
/* We found 4 nodes so far. Now setup all nodes for 4p */
// We need to make sure 0,2 and 1,3 link is set already
#if !CROSS_BAR_47_56
static const u8 conn4_1[] = {
0,3,2,
1,2,3,
0,3,
1,2,
};
#else
static const u8 conn4_1[] = {
@ -756,50 +741,30 @@ static struct setup_smp_result setup_smp4(int needs_reset)
setup_row_indirect_group(conn4_1, sizeof(conn4_1)/sizeof(conn4_1[0]));
setup_temp_row(0,2);
check_connection(7);
val = pci_read_config32(NODE_HT(7), 0x6c);
byte = (val>>2) & 0x3; /* get default link on 7 to 0*/
print_linkn("(2,0) link=", byte);
setup_row_local(7,2);
setup_remote_row_direct(2, 0, byte);
setup_remote_row_direct(2, 0, byte); /* node 2 to node 0 direct link done */
setup_remote_node(2); /* Setup the regs on the remote node */
#if !CROSS_BAR_47_56
static const u8 conn4_2[] = {
2,1,0,
};
#else
static const u8 conn4_2[] = {
2,1,0,1,
};
#endif
setup_remote_row_indirect_group(conn4_2, sizeof(conn4_2)/sizeof(conn4_2[0]));
rename_temp_node(2); /* Rename Node 7 to Node 2 */
enable_routing(2); /* Enable routing on Node 2 */
setup_temp_row(0,1);
setup_temp_row(1,3);
check_connection(7);
val = pci_read_config32(NODE_HT(7), 0x6c);
byte = (val>>2) & 0x3; /* get default link on 7 to 1*/
print_linkn("(3,1) link=", byte);
setup_row_local(7,3);
setup_remote_row_direct(3, 1, byte);
setup_remote_row_direct(3, 1, byte); /* node 3 to node 1 direct link done */
setup_remote_node(3); /* Setup the regs on the remote node */
#if !CROSS_BAR_47_56
static const u8 conn4_3[] = {
3,0,1,
};
#else
static const u8 conn4_3[] = {
3,0,1,1,
};
#endif
setup_remote_row_indirect_group(conn4_3, sizeof(conn4_3)/sizeof(conn4_3[0]));
/* We need to init link between 2, and 3 direct link */
val = get_row(2,2);
byte = ((val>>16) & 0xfe) - link_connection(2,0);
@ -811,16 +776,15 @@ static struct setup_smp_result setup_smp4(int needs_reset)
setup_temp_row(2,3);
check_connection(7); /* to 3*/
#if CONFIG_MAX_CPUS > 4
#if (CONFIG_MAX_CPUS > 4) || (CONFIG_MAX_CPUS_4_BUT_MORE_INSTALLED == 1)
/* We need to find out which link is to node3 */
if((byte>>2)==2) { /* one to node3, one to node0, one to node4*/
val = get_row(7,3);
if((val>>16) == 1) { /* that link is to node4, because via node3 it has been set, recompute it*/
if((val>>16) == 1) { /* that link is to node4, because via node1 it has been set, recompute it*/
val = get_row(2,2);
byte = ((val>>16) & 0xfe) - link_connection(2,0);
byte = get_linkn_first(byte);
print_linkn("-->(2,3) link=", byte);
print_linkn("\t-->(2,3) link=", byte);
setup_row_direct(2,3,byte);
setup_temp_row(2,3);
check_connection(7); /* to 3*/
@ -833,10 +797,56 @@ static struct setup_smp_result setup_smp4(int needs_reset)
print_linkn("(3,2) link=", byte);
setup_remote_row_direct(3,2, byte);
#if (CONFIG_MAX_CPUS > 4) || (CONFIG_MAX_CPUS_4_BUT_MORE_INSTALLED == 1)
/* set link from 3 to 5 before enable it*/
val = get_row(7,3);
byte = ((val>>16) & 0xfe) - link_connection(7,2) - link_connection(7,1);
byte = get_linkn_last_count(byte);
if((byte>>2)==1) { /* We should have three coherent links on node 3 for 6p and above*/
byte &= 3; /*bit [3,2] is count-2*/
print_linkn("(3,5) link=", byte);
setup_remote_row_direct(3, 5, byte);
}
val = get_row(2,2);
byte = ((val>>16) & 0xfe) - link_connection(2,3) - link_connection(2,0);
byte = get_linkn_last_count(byte);
if((byte>>2)==1) { /* We should have three coherent link on node 2 for 6p and above*/
byte &= 3; /* bit [3,2] is count-2*/
print_linkn("(2,4) link=", byte);
setup_row_direct(2, 4, byte);
}
#endif
//Beside 3, 1 is set, We need to make sure 3, 5 is set already in case has three link in 3
#if !CROSS_BAR_47_56
static const u8 conn4_3[] = {
3,0,
};
#else
static const u8 conn4_3[] = {
3,0,1,1,
};
#endif
setup_remote_row_indirect_group(conn4_3, sizeof(conn4_3)/sizeof(conn4_3[0]));
/* ready to enable RT for Node 3 */
rename_temp_node(3);
enable_routing(3); /* enable routing on node 3 (temp.) */
// beside 2, 0 is set, We need to make sure 2, 4 link is set already in case has three link in 2
#if !CROSS_BAR_47_56
static const u8 conn4_2[] = {
2,1,
};
#else
static const u8 conn4_2[] = {
2,1,0,1,
};
#endif
setup_row_indirect_group(conn4_2, sizeof(conn4_2)/sizeof(conn4_2[0]));
#if 0
/*We need to do sth to reverse work for setup_temp_row (0,1) (1,3) */
/* it will be done by clear_dead_links */
@ -870,67 +880,39 @@ static struct setup_smp_result setup_smp6(int needs_reset)
result.nodes=6;
result.needs_reset = needs_reset;
/* Setup and check temporary connection from Node 0 to Node 4 via 2 */
val = get_row(2,2);
byte = ((val>>16) & 0xfe) - link_connection(2,3) - link_connection(2,0);
byte = get_linkn_last_count(byte);
if((byte>>2)==0) { /* We should have two coherent link on node 2 for 6p and above*/
result.nodes = 4;
return result;
}
byte &= 3; /* bit [3,2] is count-2*/
print_linkn("(2,4) link=", byte);
setup_row_direct(2, 4, byte);
/* Setup and check temporary connection from Node 0 to Node 4 through 2*/
for(byte=0; byte<4; byte+=2) {
setup_temp_row(byte,byte+2);
}
val = get_row(2,2);
byte = ((val>>16) & 0xfe) - link_connection(2,3) - link_connection(2,0);
byte = get_linkn_last_count(byte);
if (!check_connection(7) ) {
print_spew("No connection to Node 4.\r\n");
result.nodes = 4;
return result;
}
if((byte>>2)==0) { /* We should have three coherent link on node 2 for 6p and above*/
result.nodes = 4;
return result;
}
/* Setup and check temporary connection from Node 0 to Node 5 through 1, 3*/
val = get_row(3,3);
byte = ((val>>16) & 0xfe) - link_connection(3,2) - link_connection(3,1);
byte = get_linkn_last_count(byte);
if((byte>>2)==0) { /* We should have two coherent links on node 3 for 6p and above*/
result.nodes = 4;
return result;
}
byte &= 3; /*bit [3,2] is count-2*/
print_linkn("(3,5) link=", byte);
setup_row_direct(3, 5, byte);
setup_temp_row(0,1); /* temp. link between nodes 0 and 1 */
for(byte=0; byte<4; byte+=2) {
setup_temp_row(byte+1,byte+3);
}
if (!check_connection(7)) {
print_spew("No connection to Node 5.\r\n");
result.nodes = 4;
return result;
}
/* set link from 3 to 5 before enable it*/
val = get_row(3,3);
byte = ((val>>16) & 0xfe) - link_connection(3,2) - link_connection(3,1);
byte = get_linkn_last_count(byte);
if((byte>>2)==0) { /* We should have three coherent links on node 3 for 6p and above*/
result.nodes = 4;
return result;
}
/* We found 6 nodes so far. Now setup all nodes for 6p */
#warning "FIXME we need to find out the correct gateway 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,
3, 4, 5,
0, 4,
0, 5,
1, 4,
1, 5,
2, 5,
3, 4,
#else
0, 4, 2, 0,
0, 5, 1, 1,
0, 5, 2, 1,
1, 4, 3, 1,
1, 5, 3, 0,
2, 5, 3, 0,
@ -943,6 +925,7 @@ static struct setup_smp_result setup_smp6(int needs_reset)
for(byte=0; byte<4; byte+=2) {
setup_temp_row(byte,byte+2);
}
check_connection(7);
val = pci_read_config32(NODE_HT(7), 0x6c);
byte = (val>>2) & 0x3; /*get default link on 7 to 2*/
print_linkn("(4,2) link=", byte);
@ -950,17 +933,14 @@ static struct setup_smp_result setup_smp6(int needs_reset)
setup_row_local(7,4);
setup_remote_row_direct(4, 2, byte);
setup_remote_node(4); /* Setup the regs on the remote node */
/* Set indirect connection to 0, to 3 */
//we only need to set 4,0 here
static const u8 conn6_2[] = {
#if !CROSS_BAR_47_56
4, 0, 2,
4, 1, 2,
4, 3, 2,
4, 0,
#else
4, 0, 2, 0,
4, 1, 2, 0,
4, 3, 2, 0,
4, 5, 2, 0,
#endif
};
@ -973,6 +953,7 @@ static struct setup_smp_result setup_smp6(int needs_reset)
for(byte=0; byte<4; byte+=2) {
setup_temp_row(byte+1,byte+3);
}
check_connection(7);
val = pci_read_config32(NODE_HT(7), 0x6c);
byte = (val>>2) & 0x3; /* get default link on 7 to 3*/
@ -1003,7 +984,7 @@ static struct setup_smp_result setup_smp6(int needs_reset)
val = get_row(4,4);
byte = ((val>>16) & 0xfe) - link_connection(4,2);
byte = get_linkn_first(byte);
print_linkn("-->(4,5) link=", byte);
print_linkn("\t-->(4,5) link=", byte);
setup_row_direct(4,5,byte);
setup_temp_row(4,5);
check_connection(7); /* to 5*/
@ -1015,19 +996,37 @@ static struct setup_smp_result setup_smp6(int needs_reset)
byte = (val>>2) & 0x3; /* get default link on 7 to 4*/
print_linkn("(5,4) link=", byte);
setup_remote_row_direct(5,4, byte);
//init 5, 7 here
val = get_row(7,5);
byte = ((val>>16) & 0xfe) - link_connection(7,4) - link_connection(7,3);
byte = get_linkn_last_count(byte);
if((byte>>2)==1) { /* We should have three coherent links on node 5 for 6p and above*/
byte &= 3; /*bit [3,2] is count-2*/
print_linkn("(5,7) link=", byte);
setup_remote_row_direct(5, 7, byte);
}
//init 4,6 here
val = get_row(4,4);
byte = ((val>>16) & 0xfe) - link_connection(4,5) - link_connection(4,2);
byte = get_linkn_last_count(byte);
if((byte>>2)==1) { /* We should have three coherent link on node 4 for 6p and above*/
byte &= 3; /* bit [3,2] is count-2*/
print_linkn("(4,6) link=", byte);
setup_row_direct(4, 6, byte);
}
#endif
//We need to set 5,0 here only, We need to set up 5, 7 to make 5,0
/* Set indirect connection to 0, to 3 for indirect we will use clockwise routing */
static const u8 conn6_3[] = {
#if !CROSS_BAR_47_56
5, 0, 4,
5, 2, 4,
5, 1, 3,
5, 0,
#else
5, 0, 3, 0,
5, 2, 3, 0,
5, 1, 3, 0,
5, 4, 3, 0,
#endif
};
@ -1037,6 +1036,28 @@ static struct setup_smp_result setup_smp6(int needs_reset)
rename_temp_node(5);
enable_routing(5); /* enable routing on node 5 (temp.) */
static const u8 conn6_4[] = {
#if !CROSS_BAR_47_56
4, 1,
4, 3,
5, 2,
5, 1,
#else
4, 1, 2, 0,
4, 3, 2, 0,
4, 5, 2, 0,
5, 2, 3, 0,
5, 1, 3, 0,
5, 4, 3, 0,
#endif
};
setup_row_indirect_group(conn6_4, sizeof(conn6_4)/sizeof(conn6_4[0]));
#if 0
/* We need to do sth about reverse about setup_temp_row (0,1), (2,4), (1, 3), (3,5)
* It will be done by clear_dead_links
@ -1075,81 +1096,56 @@ static struct setup_smp_result setup_smp8(int needs_reset)
/* Setup and check temporary connection from Node 0 to Node 6 via 2 and 4 to 7 */
val = get_row(4,4);
#if !CROSS_BAR_47_56
byte = ((val>>16) & 0xfe) - link_connection(4,5) - link_connection(4,2);
#else
#if CROSS_BAR_47_56
byte = ((val>>16) & 0xfe) - link_connection(4,2);
#else
byte = ((val>>16) & 0xfe) - link_connection(4,5) - link_connection(4,2);
byte = get_linkn_last_count(byte); /* Max link to 6*/
if((byte>>2)==0) { /* We should have two or three coherent links on node 4 for 8p*/
result.nodes = 6;
return result;
}
#endif
#if TRY_HIGH_FIRST == 1
#if CROSS_BAR_47_56
byte = get_linkn_last_count(byte); /* Max link to 6*/
if((byte>>2)==0) { /* We should have two or three coherent links on node 4 for 8p*/
if((byte>>2)<2) { /* We should have two or three coherent links on node 4 for 8p*/
result.nodes = 6;
return result;
}
#if TRY_HIGH_FIRST == 1
byte &= 3; /* bit [3,2] is count-1 or 2*/
#else
byte = ((val>>16) & 0xfe) - link_connection(4,2);
byte = get_linkn_first(byte); /*Min link to 6*/
#endif
print_linkn("(4,6) link=", byte);
setup_row_direct(4, 6, byte);
/* Setup and check temporary connection from Node 0 to Node 6 through 2, and 4*/
for(byte=0; byte<6; byte+=2) {
setup_temp_row(byte,byte+2);
}
if (!check_connection(7) ) {
print_spew("No connection to Node 6.\r\n");
result.nodes = 6;
return result;
}
#if !CROSS_BAR_47_56
/* Setup and check temporary connection from Node 0 to Node 7 through 1, 3, 5*/
val = get_row(5,5);
byte = ((val>>16) & 0xfe) - link_connection(5,4) - link_connection(5,3);
byte = get_linkn_first(byte);
print_linkn("(5,7) link=", byte);
setup_row_direct(5, 7, byte);
setup_temp_row(0,1); /* temp. link between nodes 0 and 1 */
for(byte=0; byte<6; byte+=2) {
setup_temp_row(byte+1,byte+3);
}
#else
val = get_row(4,4);
byte = ((val>>16) & 0xfe) - link_connection(4,2) - link_connection(4,6);
byte = get_linkn_first(byte);
print_linkn("(4,7) link=", byte);
setup_row_direct(4, 7, byte);
/* Setup and check temporary connection from Node 0 to Node 7 through 2, and 4*/
for(byte=0; byte<4; byte+=2) {
setup_temp_row(byte,byte+2);
}
setup_temp_row(4, 7);
#endif
if (!check_connection(7)) {
print_spew("No connection to Node 7.\r\n");
result.nodes = 6;
return result;
}
#if !CROSS_BAR_47_56
/* Setup and check temporary connection from Node 0 to Node 7 through 1, 3, 5*/
val = get_row(5,5);
byte = ((val>>16) & 0xfe) - link_connection(5,4) - link_connection(5,3);
byte = get_linkn_last_count(byte);
if((byte>>2)==0) { /* We should have three coherent links on node 5 for 6p and above*/
result.nodes = 6;
return result;
}
#endif
/* We found 8 nodes so far. Now setup all nodes for 8p */
static const u8 conn8_1[] = {
#if !CROSS_BAR_47_56
0, 6, 2,
/*0, 7, 1,*/
1, 6, 3,
/*1, 7, 3,*/
2, 6, 4,
/*2, 7, 3,*/
3, 6, 5,
/*3, 7, 5,*/
/*4, 7, 5,*/
0, 6,
/*0, 7,*/
1, 6,
/*1, 7,*/
2, 6,
/*2, 7,*/
3, 6,
/*3, 7,*/
/*4, 7,*/
#else
0, 6, 2, 0,
/*0, 7, 2, 0,*/
@ -1167,6 +1163,7 @@ static struct setup_smp_result setup_smp8(int needs_reset)
for(byte=0; byte<6; byte+=2) {
setup_temp_row(byte,byte+2);
}
check_connection(7);
val = pci_read_config32(NODE_HT(7), 0x6c);
byte = (val>>2) & 0x3; /* get default link on 7 to 4*/
print_linkn("(6,4) link=", byte);
@ -1178,21 +1175,65 @@ static struct setup_smp_result setup_smp8(int needs_reset)
#warning "FIXME we need to find out the correct gateway for 8p"
static const u8 conn8_2[] = {
#if !CROSS_BAR_47_56
6, 0, 4,
6, 1, 4,
6, 2, 4,
6, 3, 4,
6, 5, 4,
6, 0,
#else
6, 0, 4, 0,
/*6, 1, 5, 0,*/
6, 2, 4, 0,
/*6, 3, 5, 0,*/
#endif
};
setup_remote_row_indirect_group(conn8_2, sizeof(conn8_2)/sizeof(conn8_2[0]));
#if CROSS_BAR_47_56
//init 5, 6 here
/* here init 5, 6 */
/* Setup and check temporary connection from Node 0 to Node 5 through 1, 3, 5*/
val = get_row(5,5);
byte = ((val>>16) & 0xfe) - link_connection(5,3);
#if TRY_HIGH_FIRST == 1
byte = get_linkn_last(byte);
#else
byte = get_linkn_first(byte);
#endif
print_linkn("(5,6) link=", byte);
setup_row_direct(5, 6, byte);
setup_temp_row(0,1); /* temp. link between nodes 0 and 1 */
for(byte=0; byte<4; byte+=2) {
setup_temp_row(byte+1,byte+3);
}
setup_temp_row(5,6);
check_connection(7);
val = get_row(7,6); // to chect it if it is node6 before renaming
if( (val>>16) == 1) { // it is real node 7 so swap it
/* We need to recompute link to 6 */
val = get_row(5,5);
byte = ((val>>16) & 0xfe) - link_connection(5,3);
#if TRY_HIGH_FIRST == 1
byte = get_linkn_first(byte);
#else
byte = get_linkn_last(byte);
#endif
print_linkn("\t-->(5,6) link=", byte);
setup_row_direct(5, 6, byte);
#if 0
setup_temp_row(0,1); /* temp. link between nodes 0 and 1 */
for(byte=0; byte<4; byte+=2) {
setup_temp_row(byte+1,byte+3);
}
#endif
setup_temp_row(5,6);
check_connection(7);
}
val = pci_read_config32(NODE_HT(7), 0x6c);
byte = (val>>2) & 0x3; /* get default link on 7 to 5*/
print_linkn("(6,5) link=", byte);
setup_remote_row_direct(6, 5, byte);
/*Till now 56, 65 done */
#endif
rename_temp_node(6);
enable_routing(6);
@ -1202,6 +1243,8 @@ static struct setup_smp_result setup_smp8(int needs_reset)
setup_temp_row(byte+1,byte+3);
}
check_connection(7);
val = pci_read_config32(NODE_HT(7), 0x6c);
byte = (val>>2) & 0x3; /* get default link on 7 to 5*/
print_linkn("(7,5) link=", byte);
@ -1209,10 +1252,19 @@ static struct setup_smp_result setup_smp8(int needs_reset)
setup_remote_row_direct(7, 5, byte);
#else
val = get_row(4,4);
byte = ((val>>16) & 0xfe) - link_connection(4,2) - link_connection(4,6);
byte = get_linkn_first(byte);
print_linkn("(4,7) link=", byte);
setup_row_direct(4, 7, byte);
/* Setup and check temporary connection from Node 0 to Node 7 through 2, and 4*/
for(byte=0; byte<4; byte+=2) {
setup_temp_row(byte,byte+2);
}
setup_temp_row(4,7);
check_connection(7);
val = pci_read_config32(NODE_HT(7), 0x6c);
byte = (val>>2) & 0x3; /* get default link on 7 to 4*/
print_linkn("(7,4) link=", byte);
@ -1226,135 +1278,83 @@ static struct setup_smp_result setup_smp8(int needs_reset)
/* here init 5, 7 */
/* Setup and check temporary connection from Node 0 to Node 5 through 1, 3, 5*/
val = get_row(5,5);
byte = ((val>>16) & 0xfe) - link_connection(5,3);
byte = get_linkn_last(byte);
byte = ((val>>16) & 0xfe) - link_connection(5,3) - link_connection(5,6);
byte = get_linkn_first(byte);
print_linkn("(5,7) link=", byte);
setup_row_direct(5, 7, byte);
setup_temp_row(0,1); /* temp. link between nodes 0 and 1 */
for(byte=0; byte<6; byte+=2) {
for(byte=0; byte<4; byte+=2) {
setup_temp_row(byte+1,byte+3);
}
if (!check_connection(7)) {
/* We need to recompute link to 7 */
val = get_row(5,5);
byte = ((val>>16) & 0xfe) - link_connection(5,3);
byte = get_linkn_first(byte);
check_connection(7);
print_linkn("-->(5,7) link=", byte);
setup_row_direct(5, 7, byte);
#if 0
setup_temp_row(0,1); /* temp. link between nodes 0 and 1 */
for(byte=0; byte<6; byte+=2) {
setup_temp_row(byte+1,byte+3);
}
#else
setup_temp_row(5,7);
#endif
check_connection(7);
}
val = pci_read_config32(NODE_HT(7), 0x6c);
byte = (val>>2) & 0x3; /* get default link on 7 to 5*/
print_linkn("(7,5) link=", byte);
setup_remote_row_direct(7, 5, byte);
/*Till now 57, 75 done */
/* init init 5, 6 */
val = get_row(5,5);
byte = ((val>>16) & 0xfe) - link_connection(5,3) - link_connection(5,7);
byte = get_linkn_first(byte);
print_linkn("(5,6) link=", byte);
setup_row_direct(5, 6, byte);
/* init 6,7 */
val = get_row(6,6);
byte = ((val>>16) & 0xfe) - link_connection(6,4);
byte = get_linkn_last(byte);
print_linkn("(6,7) link=", byte);
setup_row_direct(6, 7, byte);
for(byte=0; byte<6; byte+=2) {
setup_temp_row(byte,byte+2);
}
setup_temp_row(6,7);
if (!check_connection(7)) {
/* We need to recompute link to 7 */
val = get_row(6,6);
byte = ((val>>16) & 0xfe) - link_connection(6,4);
byte = get_linkn_first(byte);
print_linkn("-->(6,7) link=", byte);
setup_row_direct(6, 7, byte);
#if 0
for(byte=0; byte<6; byte+=2) {
setup_temp_row(byte,byte+2); /* temp. link between nodes 0 and 2 */
}
#endif
setup_temp_row(6,7);
check_connection(7);
}
val = pci_read_config32(NODE_HT(7), 0x6c);
byte = (val>>2) & 0x3; /* get default link on 7 to 6*/
print_linkn("(7,6) link=", byte);
setup_remote_row_direct(7, 6, byte);
/* Till now 67, 76 done*/
/* init 6,5 */
val = get_row(6,6);
byte = ((val>>16) & 0xfe) - link_connection(6,4) - link_connection(6,7);
byte = get_linkn_first(byte);
print_linkn("(6,5) link=", byte);
setup_row_direct(6, 5, byte);
#endif
#if !CROSS_BAR_47_56
/* We need to init link between 6, and 7 direct link */
val = get_row(6,6);
#if !CROSS_BAR_47_56
byte = ((val>>16) & 0xfe) - link_connection(6,4);
#else
byte = ((val>>16) & 0xfe) - link_connection(6,4) - link_connection(6,5);
#endif
byte = get_linkn_first(byte);
print_linkn("(6,7) link=", byte);
setup_row_direct(6,7, byte);
val = get_row(7,7);
#if !CROSS_BAR_47_56
byte = ((val>>16) & 0xfe) - link_connection(7,5);
#else
byte = ((val>>16) & 0xfe) - link_connection(7,5) - link_connection(7,4);
#endif
byte = get_linkn_first(byte);
print_linkn("(7,6) link=", byte);
setup_row_direct(7,6, byte);
#endif
/* Set indirect connection to 0, to 3 for indirect we will use clockwise routing */
static const u8 conn8_3[] = {
#if !CROSS_BAR_47_56
0, 7, 1, /* restore it*/
1, 7, 3,
2, 7, 3,
3, 7, 5,
4, 7, 5,
0, 7, /* restore it*/
1, 7,
2, 7,
3, 7,
4, 7,
7, 0, 6,
7, 1, 5,
7, 2, 6,
7, 3, 5,
7, 4, 6,
6, 1,
6, 2,
6, 3,
6, 5,
7, 0,
7, 1,
7, 2,
7, 3,
7, 4,
#else
0, 7, 2, 0, /* restore it*/
1, 7, 3, 0,
2, 7, 4, 0,
3, 7, 5, 0,
6, 1, 5, 0, /*???*/
6, 3, 5, 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,
4, 5, 6, 1,
5, 4, 7, 1,
#endif
};
@ -1392,7 +1392,7 @@ static struct setup_smp_result setup_smp(void)
result = setup_smp2();
#if CONFIG_MAX_CPUS > 2
if(result.nodes == 2 )
if(result.nodes == 2)
result = setup_smp4(result.needs_reset);
#endif