diff options
Diffstat (limited to 'src/mainboard/google/butterfly/romstage.c')
| -rw-r--r-- | src/mainboard/google/butterfly/romstage.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/src/mainboard/google/butterfly/romstage.c b/src/mainboard/google/butterfly/romstage.c index b25492d9dd..f73e6bcaa5 100644 --- a/src/mainboard/google/butterfly/romstage.c +++ b/src/mainboard/google/butterfly/romstage.c @@ -60,7 +60,47 @@ void rcba_config(void) { u32 reg32; - southbridge_configure_default_intmap(); + /* + * GFX INTA -> PIRQA (MSI) + * D28IP_P1IP WLAN INTA -> PIRQB + * D28IP_P2IP ETH0 INTB -> PIRQF + * D28IP_P3IP SDCARD INTC -> PIRQD + * D29IP_E1P EHCI1 INTA -> PIRQD + * D26IP_E2P EHCI2 INTA -> PIRQF + * D31IP_SIP SATA INTA -> PIRQB (MSI) + * D31IP_SMIP SMBUS INTB -> PIRQH + * D31IP_TTIP THRT INTC -> PIRQA + * D27IP_ZIP HDA INTA -> PIRQA (MSI) + * + * Trackpad interrupt is edge triggered and cannot be shared. + * TRACKPAD -> PIRQG + + */ + + /* Device interrupt pin register (board specific) */ + RCBA32(D31IP) = (INTC << D31IP_TTIP) | (NOINT << D31IP_SIP2) | + (INTB << D31IP_SMIP) | (INTA << D31IP_SIP); + RCBA32(D29IP) = (INTA << D29IP_E1P); + RCBA32(D28IP) = (INTA << D28IP_P1IP) | (INTB << D28IP_P2IP) | + (INTC << D28IP_P3IP); + RCBA32(D27IP) = (INTA << D27IP_ZIP); + RCBA32(D26IP) = (INTA << D26IP_E2P); + RCBA32(D25IP) = (NOINT << D25IP_LIP); + RCBA32(D22IP) = (NOINT << D22IP_MEI1IP); + + /* Device interrupt route registers */ + DIR_ROUTE(D31IR, PIRQB, PIRQH, PIRQA, PIRQC); + DIR_ROUTE(D29IR, PIRQD, PIRQE, PIRQF, PIRQG); + DIR_ROUTE(D28IR, PIRQB, PIRQF, PIRQD, PIRQE); + DIR_ROUTE(D27IR, PIRQA, PIRQH, PIRQA, PIRQB); + DIR_ROUTE(D26IR, PIRQF, PIRQE, PIRQG, PIRQH); + DIR_ROUTE(D25IR, PIRQA, PIRQB, PIRQC, PIRQD); + DIR_ROUTE(D22IR, PIRQA, PIRQB, PIRQC, PIRQD); + + /* Enable IOAPIC (generic) */ + RCBA16(OIC) = 0x0100; + /* PCH BWG says to read back the IOAPIC enable register */ + (void) RCBA16(OIC); /* Disable unused devices (board specific) */ reg32 = RCBA32(FD); |