diff options
Diffstat (limited to 'src/mainboard/amd/serengeti_cheetah_fam10/get_bus_conf.c')
| -rw-r--r-- | src/mainboard/amd/serengeti_cheetah_fam10/get_bus_conf.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/src/mainboard/amd/serengeti_cheetah_fam10/get_bus_conf.c b/src/mainboard/amd/serengeti_cheetah_fam10/get_bus_conf.c index 87ca67274f..fda2626a74 100644 --- a/src/mainboard/amd/serengeti_cheetah_fam10/get_bus_conf.c +++ b/src/mainboard/amd/serengeti_cheetah_fam10/get_bus_conf.c @@ -29,8 +29,9 @@ struct mb_sysconf_t mb_sysconf; /* Here you only need to set value in pci1234 for HT-IO that could be -installed or not You may need to preset pci1234 for HTIO board, please -refer to src/northbridge/amd/amdfam10/get_sblk_pci1234.c for detail */ + * installed or not You may need to preset pci1234 for HTIO board, please + * refer to src/northbridge/amd/amdfam10/get_sblk_pci1234.c for detail + */ static u32 pci1234x[] = { 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, @@ -42,7 +43,8 @@ static u32 pci1234x[] = { /* HT Chain device num, actually it is unit id base of every ht device -in chain, assume every chain only have 4 ht device at most */ + * in chain, assume every chain only have 4 ht device at most + */ static unsigned hcdnx[] = { 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, @@ -70,18 +72,18 @@ static u32 get_hcid(u32 i) dev = dev_find_slot(busn, PCI_DEVFN(devn,0)); switch (dev->device) { - case 0x7458: //8132 + case 0x7458: /* 8132 */ id = 1; break; - case 0x7454: //8151 + case 0x7454: /* 8151 */ id = 2; break; - case 0x7450: //8131 + case 0x7450: /* 8131 */ id = 3; break; } - // we may need more way to find out hcid: subsystem id? GPIO read ? - // we need use id for 1. bus num, 2. mptable, 3. ACPI table + /* we may need more way to find out hcid: subsystem id? GPIO read ? */ + /* we need use id for 1. bus num, 2. mptable, 3. ACPI table */ return id; } @@ -94,7 +96,7 @@ void get_bus_conf(void) struct mb_sysconf_t *m; if(get_bus_conf_done == 1) - return; //do it only once + return; /* do it only once */ get_bus_conf_done = 1; @@ -145,13 +147,13 @@ void get_bus_conf(void) for(i = 1; i< sysconf.hc_possible_num; i++) { if(!(sysconf.pci1234[i] & 0x1) ) continue; - // check hcid type here + /* check hcid type here */ sysconf.hcid[i] = get_hcid(i); switch(sysconf.hcid[i]) { - case 1: //8132 - case 3: //8131 + case 1: /* 8132 */ + case 3: /* 8131 */ m->bus_8132a[j][0] = (sysconf.pci1234[i] >> 12) & 0xff; @@ -175,7 +177,7 @@ void get_bus_conf(void) break; - case 2: //8151 + case 2: /* 8151 */ m->bus_8151[j][0] = (sysconf.pci1234[i] >> 12) & 0xff; m->sbdn5[j] = sysconf.hcdn[i] & 0xff; |