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Diffstat (limited to 'src/northbridge/amd/amdk8/coherent_ht.c')
-rw-r--r--src/northbridge/amd/amdk8/coherent_ht.c140
1 files changed, 70 insertions, 70 deletions
diff --git a/src/northbridge/amd/amdk8/coherent_ht.c b/src/northbridge/amd/amdk8/coherent_ht.c
index a7c3fc27c6..7dfc5ef13d 100644
--- a/src/northbridge/amd/amdk8/coherent_ht.c
+++ b/src/northbridge/amd/amdk8/coherent_ht.c
@@ -259,7 +259,7 @@ static int verify_connection(u8 dest)
* remode node's vendor/device id
*/
val = pci_read_config32(NODE_HT(dest),0);
- if(val != 0x11001022)
+ if (val != 0x11001022)
return 0;
return 1;
@@ -368,18 +368,18 @@ static int optimize_connection(device_t node1, uint8_t link1, device_t node2, ui
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; }
+ if (byte & 0x02) { byte = 0; }
+ else if (byte & 0x04) { byte = 1; }
+ else if (byte & 0x08) { byte = 2; }
return byte;
}
#if TRY_HIGH_FIRST == 1
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; }
+ if (byte & 0x02) { byte &= 0x0f; byte |= 0x00; }
+ if (byte & 0x04) { byte &= 0x0f; byte |= 0x10; }
+ if (byte & 0x08) { byte &= 0x0f; byte |= 0x20; }
return byte>>4;
}
#endif
@@ -388,9 +388,9 @@ static uint8_t get_linkn_last(uint8_t byte)
static uint8_t get_linkn_last_count(uint8_t byte)
{
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; }
+ 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;
}
#endif
@@ -400,7 +400,7 @@ static void setup_row_local(u8 source, u8 row) /* source will be 7 when it is fo
uint8_t linkn;
uint32_t val;
val = 1;
- for(linkn = 0; linkn<3; linkn++) {
+ for (linkn = 0; linkn<3; linkn++) {
uint8_t regpos;
uint32_t reg;
regpos = 0x98 + 0x20 * linkn;
@@ -420,7 +420,7 @@ static void setup_row_direct_x(u8 temp, u8 source, u8 dest, u8 linkn)
val = 1<<(linkn+1);
val |= 1<<(linkn+1+8); /*for direct connect response route should equal to request table*/
- if(((source &1)!=(dest &1))
+ if (((source &1)!=(dest &1))
#if CROSS_BAR_47_56
&& ( (source<4)||(source>5) ) //(6,7) (7,6) should still be here
//(6,5) (7,4) should be here
@@ -452,7 +452,7 @@ static void opt_broadcast_rt_group(const u8 *conn, int num)
{
int i;
- for(i=0; i<num; i+=3) {
+ for (i=0; i<num; i+=3) {
opt_broadcast_rt(conn[i], conn[i+1],conn[i+2]);
}
}
@@ -469,7 +469,7 @@ static void opt_broadcast_rt_plus_group(const u8 *conn, int num)
{
int i;
- for(i=0; i<num; i+=3) {
+ for (i=0; i<num; i+=3) {
opt_broadcast_rt_plus(conn[i], conn[i+1],conn[i+2]);
}
}
@@ -507,7 +507,7 @@ static void setup_remote_node(u8 node)
printk(BIOS_SPEW, "setup_remote_node: ");
/* copy the default resource map from node 0 */
- for(i = 0; i < ARRAY_SIZE(pci_reg); i++) {
+ for (i = 0; i < ARRAY_SIZE(pci_reg); i++) {
uint32_t value;
uint8_t reg;
reg = pci_reg[i];
@@ -534,7 +534,7 @@ static void setup_row_indirect_x(u8 temp, u8 source, u8 dest, u8 gateway, u8 dif
#if !CROSS_BAR_47_56
u8 gateway;
u8 diff;
- if(source<dest) {
+ if (source<dest) {
gateway = source + 2;
} else {
gateway = source - 2;
@@ -551,7 +551,7 @@ static void setup_row_indirect_x(u8 temp, u8 source, u8 dest, u8 gateway, u8 dif
diff = ((source&1)!=(dest &1));
#endif
- if(diff && (val_s!=(val&0xff)) ) { /* use another connect as response*/
+ if (diff && (val_s!=(val&0xff)) ) { /* use another connect as response*/
val_s -= val & 0xff;
#if (CONFIG_MAX_PHYSICAL_CPUS > 4) || CONFIG_MAX_PHYSICAL_CPUS_4_BUT_MORE_INSTALLED
uint8_t byte;
@@ -560,13 +560,13 @@ static void setup_row_indirect_x(u8 temp, u8 source, u8 dest, u8 gateway, u8 dif
*/
byte = val_s;
byte = get_linkn_last_count(byte);
- if((byte>>2)>1) { /* make sure not the corner*/
- if(source<dest) {
+ if ((byte>>2)>1) { /* make sure not the corner*/
+ if (source<dest) {
val_s-=link_connection(temp, source-2); /* -down*/
} else {
#if CROSS_BAR_47_56
#if 0
- if(source==7) {
+ if (source==7) {
val_s-=link_connection(temp, 6); // for 7,2 via 5
} else if (source==6){
val_s-=link_connection(temp, 7); // for 6,3 via 4
@@ -584,7 +584,7 @@ static void setup_row_indirect_x(u8 temp, u8 source, u8 dest, u8 gateway, u8 dif
val |= (val_s<<8);
}
- if(diff) { /* cross rung?*/
+ if (diff) { /* cross rung?*/
val |= (1<<16);
}
else {
@@ -613,10 +613,10 @@ static void setup_row_indirect_group(const u8 *conn, int num)
int i;
#if !CROSS_BAR_47_56
- for(i=0; i<num; 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) {
+ for (i=0; i<num; i+=4) {
setup_row_indirect(conn[i], conn[i+1],conn[i+2], conn[i+3]);
#endif
@@ -640,10 +640,10 @@ 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+=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) {
+ for (i=0; i<num; i+=4) {
setup_remote_row_indirect(conn[i], conn[i+1],conn[i+2], conn[i+3]);
#endif
}
@@ -667,7 +667,7 @@ static int optimize_connection_group(const u8 *opt_conn, int num)
{
int needs_reset = 0;
int i;
- for(i=0; i<num; i+=2) {
+ for (i=0; i<num; i+=2) {
needs_reset = optimize_connection(
NODE_HT(opt_conn[i]), 0x80 + link_to_register(link_connection(opt_conn[i],opt_conn[i+1])),
NODE_HT(opt_conn[i+1]), 0x80 + link_to_register(link_connection(opt_conn[i+1],opt_conn[i])) );
@@ -688,7 +688,7 @@ static unsigned setup_smp2(void)
val = get_row(0,0);
byte = (val>>16) & 0xfe;
- if(byte<0x2) { /* no coherent connection so get out.*/
+ if (byte<0x2) { /* no coherent connection so get out.*/
nodes = 1;
return nodes;
}
@@ -716,7 +716,7 @@ static unsigned setup_smp2(void)
val = get_row(7,1);
byte = (val>>16) & 0xfe;
byte = get_linkn_last_count(byte);
- if((byte>>2)==3) { /* Oh! we need to treat it as node2. So use another link*/
+ if ((byte>>2)==3) { /* Oh! we need to treat it as node2. So use another link*/
val = get_row(0,0);
byte = (val>>16) & 0xfe;
#if TRY_HIGH_FIRST == 1
@@ -766,7 +766,7 @@ static unsigned setup_smp4(void)
byte = ((val>>16) & 0xfe) - link_connection(0,1);
byte = get_linkn_last_count(byte);
- if((byte>>2)==0) { /* We should have two coherent for 4p and above*/
+ if ((byte>>2)==0) { /* We should have two coherent for 4p and above*/
nodes = 2;
return nodes;
}
@@ -840,9 +840,9 @@ static unsigned setup_smp4(void)
#if (CONFIG_MAX_PHYSICAL_CPUS > 4) || CONFIG_MAX_PHYSICAL_CPUS_4_BUT_MORE_INSTALLED
/* We need to find out which link is to node3 */
- if((byte>>2)==2) { /* one to node3, one to node0, one to node4*/
+ 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 node1 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);
@@ -864,7 +864,7 @@ static unsigned setup_smp4(void)
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*/
+ 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);
@@ -874,7 +874,7 @@ static unsigned setup_smp4(void)
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*/
+ 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);
@@ -937,7 +937,7 @@ static unsigned setup_smp6(void)
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 three coherent link on node 2 for 6p and above*/
+ if ((byte>>2)==0) { /* We should have three coherent link on node 2 for 6p and above*/
nodes = 4;
return nodes;
}
@@ -947,7 +947,7 @@ static unsigned setup_smp6(void)
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*/
+ if ((byte>>2)==0) { /* We should have three coherent links on node 3 for 6p and above*/
nodes = 4;
return nodes;
}
@@ -974,7 +974,7 @@ static unsigned setup_smp6(void)
setup_row_indirect_group(conn6_1, ARRAY_SIZE(conn6_1));
- for(byte=0; byte<4; byte+=2) {
+ for (byte=0; byte<4; byte+=2) {
setup_temp_row(byte,byte+2);
}
verify_connection(7);
@@ -1002,7 +1002,7 @@ static unsigned setup_smp6(void)
enable_routing(4);
setup_temp_row(0,1);
- for(byte=0; byte<4; byte+=2) {
+ for (byte=0; byte<4; byte+=2) {
setup_temp_row(byte+1,byte+3);
}
verify_connection(7);
@@ -1030,9 +1030,9 @@ static unsigned setup_smp6(void)
#if CONFIG_MAX_PHYSICAL_CPUS > 6
/* We need to find out which link is to node5 */
- if((byte>>2)==2) { /* one to node5, one to node2, one to node6*/
+ if ((byte>>2)==2) { /* one to node5, one to node2, one to node6*/
val = get_row(7,5);
- if((val>>16) == 1) { /* that link is to node6, because via node 3 node 5 has been set*/
+ if ((val>>16) == 1) { /* that link is to node6, because via node 3 node 5 has been set*/
val = get_row(4,4);
byte = ((val>>16) & 0xfe) - link_connection(4,2);
byte = get_linkn_first(byte);
@@ -1053,7 +1053,7 @@ static unsigned setup_smp6(void)
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*/
+ 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);
@@ -1064,7 +1064,7 @@ static unsigned setup_smp6(void)
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*/
+ 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);
@@ -1114,7 +1114,7 @@ static unsigned setup_smp6(void)
/* 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
*/
- for(byte=0; byte<4; byte++) {
+ for (byte=0; byte<4; byte++) {
clear_temp_row(byte);
}
#endif
@@ -1142,7 +1142,7 @@ static unsigned setup_smp8(void)
#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*/
+ if ((byte>>2)==0) { /* We should have two or three coherent links on node 4 for 8p*/
nodes = 6;
return nodes;
}
@@ -1150,7 +1150,7 @@ static unsigned setup_smp8(void)
#if CROSS_BAR_47_56
byte = get_linkn_last_count(byte); /* Max link to 6*/
- if((byte>>2)<2) { /* 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*/
nodes = 6;
return nodes;
}
@@ -1169,7 +1169,7 @@ static unsigned setup_smp8(void)
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*/
+ if ((byte>>2)==0) { /* We should have three coherent links on node 5 for 6p and above*/
nodes = 6;
return nodes;
}
@@ -1202,7 +1202,7 @@ static unsigned setup_smp8(void)
setup_row_indirect_group(conn8_1,ARRAY_SIZE(conn8_1));
- for(byte=0; byte<6; byte+=2) {
+ for (byte=0; byte<6; byte+=2) {
setup_temp_row(byte,byte+2);
}
verify_connection(7);
@@ -1240,7 +1240,7 @@ static unsigned setup_smp8(void)
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) {
+ for (byte=0; byte<4; byte+=2) {
setup_temp_row(byte+1,byte+3);
}
setup_temp_row(5,6);
@@ -1248,7 +1248,7 @@ static unsigned setup_smp8(void)
verify_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
+ 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);
@@ -1261,7 +1261,7 @@ static unsigned setup_smp8(void)
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) {
+ for (byte=0; byte<4; byte+=2) {
setup_temp_row(byte+1,byte+3);
}
#endif
@@ -1281,7 +1281,7 @@ static unsigned setup_smp8(void)
#if !CROSS_BAR_47_56
setup_temp_row(0,1);
- for(byte=0; byte<6; byte+=2) {
+ for (byte=0; byte<6; byte+=2) {
setup_temp_row(byte+1,byte+3);
}
@@ -1301,7 +1301,7 @@ static unsigned setup_smp8(void)
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) {
+ for (byte=0; byte<4; byte+=2) {
setup_temp_row(byte,byte+2);
}
@@ -1326,7 +1326,7 @@ static unsigned setup_smp8(void)
setup_row_direct(5, 7, byte);
setup_temp_row(0,1); /* temp. link between nodes 0 and 1 */
- for(byte=0; byte<4; byte+=2) {
+ for (byte=0; byte<4; byte+=2) {
setup_temp_row(byte+1,byte+3);
}
@@ -1485,17 +1485,17 @@ static unsigned setup_smp(void)
nodes = setup_smp2();
#if CONFIG_MAX_PHYSICAL_CPUS > 2
- if(nodes == 2)
+ if (nodes == 2)
nodes = setup_smp4();
#endif
#if CONFIG_MAX_PHYSICAL_CPUS > 4
- if(nodes == 4)
+ if (nodes == 4)
nodes = setup_smp6();
#endif
#if CONFIG_MAX_PHYSICAL_CPUS > 6
- if(nodes == 6)
+ if (nodes == 6)
nodes = setup_smp8();
#endif
@@ -1517,14 +1517,14 @@ static unsigned verify_mp_capabilities(unsigned nodes)
switch(mask) {
#if CONFIG_MAX_PHYSICAL_CPUS > 2
case 0x02: /* MPCap */
- if(nodes > 2) {
+ if (nodes > 2) {
printk(BIOS_ERR, "Going back to DP\n");
return 2;
}
break;
#endif
case 0x00: /* Non SMP */
- if(nodes >1 ) {
+ if (nodes >1 ) {
printk(BIOS_ERR, "Going back to UP\n");
return 1;
}
@@ -1541,22 +1541,22 @@ static void clear_dead_routes(unsigned nodes)
int last_row;
int node, row;
#if CONFIG_MAX_PHYSICAL_CPUS == 8
- if(nodes==8) return;/* don't touch (7,7)*/
+ if (nodes==8) return;/* don't touch (7,7)*/
#endif
last_row = nodes;
if (nodes == 1) {
last_row = 0;
}
- for(node = 7; node >= 0; node--) {
- for(row = 7; row >= last_row; row--) {
+ for (node = 7; node >= 0; node--) {
+ for (row = 7; row >= last_row; row--) {
fill_row(node, row, DEFAULT);
}
}
/* Update the local row */
- for( node=0; node<nodes; node++) {
+ for ( node=0; node<nodes; node++) {
uint32_t val = 0;
- for(row =0; row<nodes; row++) {
+ for (row =0; row<nodes; row++) {
val |= get_row(node, row);
}
fill_row(node, node, (((val & 0xff) | ((val >> 8) & 0xff)) << 16) | 0x0101);
@@ -1651,7 +1651,7 @@ static int apply_cpu_errata_fixes(unsigned nodes)
{
unsigned node;
int needs_reset = 0;
- for(node = 0; node < nodes; node++) {
+ for (node = 0; node < nodes; node++) {
device_t dev;
uint32_t cmd;
dev = NODE_MC(node);
@@ -1692,7 +1692,7 @@ static int apply_cpu_errata_fixes(unsigned nodes)
*/
cmd_ref = 0x04e20707; /* Registered */
cmd = pci_read_config32(dev, 0xd4);
- if(cmd != cmd_ref) {
+ if (cmd != cmd_ref) {
pci_write_config32(dev, 0xd4, cmd_ref );
needs_reset = 1; /* Needed? */
}
@@ -1721,14 +1721,14 @@ static int optimize_link_read_pointers(unsigned nodes)
{
unsigned node;
int needs_reset = 0;
- for(node = 0; node < nodes; node++) {
+ for (node = 0; node < nodes; node++) {
device_t f0_dev, f3_dev;
uint32_t cmd_ref, cmd;
int link;
f0_dev = NODE_HT(node);
f3_dev = NODE_MC(node);
cmd_ref = cmd = pci_read_config32(f3_dev, 0xdc);
- for(link = 0; link < 3; link++) {
+ for (link = 0; link < 3; link++) {
uint32_t link_type;
unsigned reg;
/* This works on an Athlon64 because unimplemented links return 0 */
@@ -1764,14 +1764,14 @@ static int optimize_link_coherent_ht(void)
nodes = get_nodes();
#if CONFIG_MAX_PHYSICAL_CPUS > 1
- if(nodes>1) {
+ if (nodes>1) {
needs_reset |= optimize_connection(
NODE_HT(0), 0x80 + link_to_register(link_connection(0,1)),
NODE_HT(1), 0x80 + link_to_register(link_connection(1,0)) );
}
#if CONFIG_MAX_PHYSICAL_CPUS > 2
- if(nodes>2) {
+ if (nodes>2) {
/* optimize physical connections - by LYH */
static const u8 opt_conn4[] = {
0,2,
@@ -1783,7 +1783,7 @@ static int optimize_link_coherent_ht(void)
#endif
#if CONFIG_MAX_PHYSICAL_CPUS > 4
- if(nodes>4) {
+ if (nodes>4) {
static const uint8_t opt_conn6[] ={
2, 4,
3, 5,
@@ -1796,7 +1796,7 @@ static int optimize_link_coherent_ht(void)
#endif
#if CONFIG_MAX_PHYSICAL_CPUS > 6
- if(nodes>6) {
+ if (nodes>6) {
static const uint8_t opt_conn8[] ={
4, 6,
#if CROSS_BAR_47_56
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 09:26:42 +0000