diff options
| author | Kanoj Sarcar <kanoj@engr.sgi.com> | 2000-01-31 19:48:11 +0000 |
|---|---|---|
| committer | Kanoj Sarcar <kanoj@engr.sgi.com> | 2000-01-31 19:48:11 +0000 |
| commit | 65bdf19bb4752fbb5ab8ed99fac50bb300768efa (patch) | |
| tree | b04ee714ee164ee1debfadf3adc01c3243486318 /arch/mips64/sgi-ip27/ip27-irq.c | |
| parent | 5095b4a83ecb0635d5d6588d00ee6b76e1ef29be (diff) | |
Add in bridge byte swapping for the Qlogic scsi controller. Also need
to do something about RRB and WBs.
Diffstat (limited to 'arch/mips64/sgi-ip27/ip27-irq.c')
| -rw-r--r-- | arch/mips64/sgi-ip27/ip27-irq.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/mips64/sgi-ip27/ip27-irq.c b/arch/mips64/sgi-ip27/ip27-irq.c index 6a76b1966..0b936017d 100644 --- a/arch/mips64/sgi-ip27/ip27-irq.c +++ b/arch/mips64/sgi-ip27/ip27-irq.c @@ -173,6 +173,25 @@ static unsigned int bridge_startup(unsigned int irq) bridge->b_int_addr[pin].addr = 0x20000 | irq; bridge->b_int_enable |= (1 << pin); + if (irq < 2) { + bridgereg_t device; +#if 0 + /* + * Allocate enough RRBs on the bridge for the DMAs. + * Right now allocating 2 RRBs on the normal channel + * and 2 on the virtual channel for slot 0 on the bus. + * And same for slot 1, to get ioc3 eth working. + */ + Not touching b_even_resp /* boot doesn't go far */ + bridge->b_even_resp = 0xdd99cc88; /* boot doesn't go far */ + bridge->b_even_resp = 0xcccc8888; /* breaks eth0 */ + bridge->b_even_resp = 0xcc88; /* breaks eth0 */ +#endif + /* Turn on bridge swapping */ + device = bridge->b_device[irq].reg; + device |= BRIDGE_DEV_SWAP_DIR; + bridge->b_device[irq].reg = device; + } bridge->b_widget.w_tflush; /* Flush */ return 0; /* Never anything pending. */ @@ -292,7 +311,6 @@ int request_irq(unsigned int irq, retval = setup_irq(irq, action); if (retval) kfree(action); - return retval; } |