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Diffstat (limited to 'src/northbridge/amd/amdk8/coherent_ht.c')
-rw-r--r--src/northbridge/amd/amdk8/coherent_ht.c124
1 files changed, 62 insertions, 62 deletions
diff --git a/src/northbridge/amd/amdk8/coherent_ht.c b/src/northbridge/amd/amdk8/coherent_ht.c
index 7e33feb61a..887a23b1f0 100644
--- a/src/northbridge/amd/amdk8/coherent_ht.c
+++ b/src/northbridge/amd/amdk8/coherent_ht.c
@@ -139,7 +139,7 @@ static void disable_probes(void)
printk(BIOS_SPEW, "Disabling read/write/fill probes for UP... ");
- val=pci_read_config32(NODE_HT(0), HT_TRANSACTION_CONTROL);
+ val = pci_read_config32(NODE_HT(0), HT_TRANSACTION_CONTROL);
val |= HTTC_DIS_FILL_P | HTTC_DIS_RMT_MEM_C | HTTC_DIS_P_MEM_C |
HTTC_DIS_MTS | HTTC_DIS_WR_DW_P | HTTC_DIS_WR_B_P |
HTTC_DIS_RD_DW_P | HTTC_DIS_RD_B_P;
@@ -193,7 +193,7 @@ static void enable_routing(u8 node)
/* Enable routing table */
printk(BIOS_SPEW, "Enabling routing table for node %d", node);
- val=pci_read_config32(NODE_HT(node), 0x6c);
+ val = pci_read_config32(NODE_HT(node), 0x6c);
val &= ~((1<<1)|(1<<0));
pci_write_config32(NODE_HT(node), 0x6c, val);
@@ -241,7 +241,7 @@ static void rename_temp_node(u8 node)
printk(BIOS_SPEW, "Renaming current temporary node to %d", node);
- val=pci_read_config32(NODE_HT(7), 0x60);
+ val = pci_read_config32(NODE_HT(7), 0x60);
val &= (~7); /* clear low bits. */
val |= node; /* new node */
pci_write_config32(NODE_HT(7), 0x60, val);
@@ -401,7 +401,7 @@ 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;
@@ -423,10 +423,10 @@ static void setup_row_direct_x(u8 temp, u8 source, u8 dest, u8 linkn)
if (((source &1)!=(dest &1))
#if CROSS_BAR_47_56
- && ( (source<4)||(source>5) ) //(6,7) (7,6) should still be here
+ && ((source < 4)||(source > 5)) //(6,7) (7,6) should still be here
//(6,5) (7,4) should be here
#endif
- ){
+ ) {
val |= (1<<16);
} else {
/*for CROSS_BAR_47_56 47, 56, should be here too
@@ -437,7 +437,7 @@ static void setup_row_direct_x(u8 temp, u8 source, u8 dest, u8 linkn)
val |= ((val_s>>16) - (1<<(linkn+1)))<<16;
}
- fill_row(temp,dest, val );
+ fill_row(temp,dest, val);
}
#if CROSS_BAR_47_56
@@ -453,7 +453,7 @@ 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]);
}
}
@@ -470,7 +470,7 @@ 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]);
}
}
@@ -535,7 +535,7 @@ 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;
@@ -552,7 +552,7 @@ 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;
@@ -562,14 +562,14 @@ 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 (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){
+ } else if (source == 6) {
val_s-=link_connection(temp, 7); // for 6,3 via 4
} else
#endif
@@ -614,10 +614,10 @@ 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
@@ -641,10 +641,10 @@ 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
}
@@ -658,7 +658,7 @@ static void setup_uniprocessor(void)
printk(BIOS_SPEW, "Enabling UP settings\n");
#if CONFIG_LOGICAL_CPUS
unsigned tmp = (pci_read_config32(NODE_MC(0), 0xe8) >> 12) & 3;
- if (tmp>0) return;
+ if (tmp > 0) return;
#endif
disable_probes();
}
@@ -668,10 +668,10 @@ 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])) );
+ NODE_HT(opt_conn[i+1]), 0x80 + link_to_register(link_connection(opt_conn[i+1],opt_conn[i])));
}
return needs_reset;
}
@@ -689,7 +689,7 @@ 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;
}
@@ -717,7 +717,7 @@ 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
@@ -760,14 +760,14 @@ static unsigned setup_smp4(void)
u8 byte;
uint32_t val;
- nodes=4;
+ nodes = 4;
/* Setup and check temporary connection from Node 0 to Node 2 */
val = get_row(0,0);
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;
}
@@ -841,7 +841,7 @@ 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*/
val = get_row(2,2);
@@ -865,7 +865,7 @@ 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);
@@ -875,7 +875,7 @@ 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);
@@ -931,14 +931,14 @@ static unsigned setup_smp6(void)
u8 byte;
uint32_t val;
- nodes=6;
+ nodes = 6;
/* Setup and check temporary connection from Node 0 to Node 4 through 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 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;
}
@@ -948,7 +948,7 @@ 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;
}
@@ -975,7 +975,7 @@ 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);
@@ -1003,7 +1003,7 @@ 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);
@@ -1031,7 +1031,7 @@ 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*/
val = get_row(4,4);
@@ -1054,7 +1054,7 @@ 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);
@@ -1065,7 +1065,7 @@ 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);
@@ -1115,7 +1115,7 @@ 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
@@ -1134,7 +1134,7 @@ static unsigned setup_smp8(void)
u8 byte;
uint32_t val;
- nodes=8;
+ nodes = 8;
/* Setup and check temporary connection from Node 0 to Node 6 via 2 and 4 to 7 */
val = get_row(4,4);
@@ -1143,7 +1143,7 @@ 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;
}
@@ -1170,7 +1170,7 @@ 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;
}
@@ -1203,7 +1203,7 @@ 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);
@@ -1241,7 +1241,7 @@ 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);
@@ -1249,7 +1249,7 @@ 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);
@@ -1262,7 +1262,7 @@ 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
@@ -1282,7 +1282,7 @@ 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);
}
@@ -1302,7 +1302,7 @@ 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);
}
@@ -1327,7 +1327,7 @@ 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);
}
@@ -1511,7 +1511,7 @@ static unsigned verify_mp_capabilities(unsigned nodes)
mask = 0x06; /* BigMPCap */
- for (node=0; node<nodes; node++) {
+ for (node = 0; node < nodes; node++) {
mask &= pci_read_config32(NODE_MC(node), 0xe8);
}
@@ -1525,7 +1525,7 @@ static unsigned verify_mp_capabilities(unsigned nodes)
break;
#endif
case 0x00: /* Non SMP */
- if (nodes >1 ) {
+ if (nodes >1) {
printk(BIOS_ERR, "Going back to UP\n");
return 1;
}
@@ -1542,7 +1542,7 @@ 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) {
@@ -1555,9 +1555,9 @@ static void clear_dead_routes(unsigned nodes)
}
/* 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);
@@ -1571,7 +1571,7 @@ static unsigned verify_dualcore(unsigned nodes)
unsigned node, totalcpus, tmp;
totalcpus = 0;
- for (node=0; node<nodes; node++) {
+ for (node = 0; node < nodes; node++) {
tmp = (pci_read_config32(NODE_MC(node), 0xe8) >> 12) & 3 ;
totalcpus += (tmp + 1);
}
@@ -1626,7 +1626,7 @@ static void coherent_ht_finalize(unsigned nodes)
/* Only respond to real CPU pci configuration cycles
* and optimize the HT settings
*/
- val=pci_read_config32(dev, HT_TRANSACTION_CONTROL);
+ val = pci_read_config32(dev, HT_TRANSACTION_CONTROL);
val &= ~((HTTC_BUF_REL_PRI_MASK << HTTC_BUF_REL_PRI_SHIFT) |
(HTTC_MED_PRI_BYP_CNT_MASK << HTTC_MED_PRI_BYP_CNT_SHIFT) |
(HTTC_HI_PRI_BYP_CNT_MASK << HTTC_HI_PRI_BYP_CNT_SHIFT));
@@ -1666,14 +1666,14 @@ static int apply_cpu_errata_fixes(unsigned nodes)
if ((cmd & (3 << 0)) != 2) {
cmd &= ~(3<<0);
cmd |= (2<<0);
- pci_write_config32(dev, 0x70, cmd );
+ pci_write_config32(dev, 0x70, cmd);
needs_reset = 1;
}
cmd = pci_read_config32(dev, 0x7c);
if ((cmd & (3 << 4)) != 0) {
cmd &= ~(3<<4);
cmd |= (0<<4);
- pci_write_config32(dev, 0x7c, cmd );
+ pci_write_config32(dev, 0x7c, cmd);
needs_reset = 1;
}
/* Clock Power/Timing Low */
@@ -1694,7 +1694,7 @@ static int apply_cpu_errata_fixes(unsigned nodes)
cmd_ref = 0x04e20707; /* Registered */
cmd = pci_read_config32(dev, 0xd4);
if (cmd != cmd_ref) {
- pci_write_config32(dev, 0xd4, cmd_ref );
+ pci_write_config32(dev, 0xd4, cmd_ref);
needs_reset = 1; /* Needed? */
}
}
@@ -1765,14 +1765,14 @@ 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)) );
+ 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,
@@ -1784,7 +1784,7 @@ 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,
@@ -1797,7 +1797,7 @@ 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 2024-07-17 03:15:50 +0000