diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2009-11-11 15:54:26 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2009-11-11 15:54:26 +0000 |
| commit | fdc324b442a5abfb30c5fb71dd0e0523b7eb0516 (patch) | |
| tree | a845b233dc6e182d02afce324af296d5f27e8a30 /sys/arch/sgi | |
| parent | eca89ecce3fcb8427ea554e977d2e1f5f67a8717 (diff) | |
Perform a bit more kbc initialization, instead of relying upon the prom to
do this for us; PS/2 ports on CADduo boards attach keyboard and mouse now.
ok jsing@
Diffstat (limited to 'sys/arch/sgi')
| -rw-r--r-- | sys/arch/sgi/dev/iockbc.c | 21 | ||||
| -rw-r--r-- | sys/arch/sgi/pci/iocreg.h | 14 |
2 files changed, 33 insertions, 2 deletions
diff --git a/sys/arch/sgi/dev/iockbc.c b/sys/arch/sgi/dev/iockbc.c index 164ddc341c7..8c1bc2d4cb2 100644 --- a/sys/arch/sgi/dev/iockbc.c +++ b/sys/arch/sgi/dev/iockbc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: iockbc.c,v 1.1 2009/11/10 15:50:09 jsing Exp $ */ +/* $OpenBSD: iockbc.c,v 1.2 2009/11/11 15:54:24 miod Exp $ */ /* * Copyright (c) 2006, 2007, 2009 Joel Sing <jsing@openbsd.org> * @@ -228,6 +228,7 @@ iockbc_attach(struct device *parent, struct device *self, void *aux) struct ioc_attach_args *iaa = aux; struct pckbc_softc *sc = &isc->sc_pckbc; struct pckbc_internal *t; + uint32_t csr; /* * For some reason keyboard and mouse ports are inverted on @@ -271,6 +272,19 @@ iockbc_attach(struct device *parent, struct device *self, void *aux) printf(": unable to establish interrupt\n"); /* + * Setup up controller: do not force pull clock and data lines low, + * clamp clocks after three bytes received. + */ + csr = bus_space_read_4(isc->iot, isc->ioh, IOC3_KBC_CTRL_STATUS); + csr &= ~(IOC3_KBC_CTRL_KBD_PULL_DATA_LOW | + IOC3_KBC_CTRL_KBD_PULL_CLOCK_LOW | + IOC3_KBC_CTRL_AUX_PULL_DATA_LOW | + IOC3_KBC_CTRL_AUX_PULL_CLOCK_LOW | + IOC3_KBC_CTRL_KBD_CLAMP_1 | IOC3_KBC_CTRL_AUX_CLAMP_1); + csr |= IOC3_KBC_CTRL_KBD_CLAMP_3 | IOC3_KBC_CTRL_AUX_CLAMP_3; + bus_space_write_4(isc->iot, isc->ioh, IOC3_KBC_CTRL_STATUS, csr); + + /* * Attach "slots". */ iockbc_attach_slot(isc, PCKBC_KBD_SLOT); @@ -401,6 +415,7 @@ iockbc_poll_write(struct pckbc_internal *t, pckbc_slot_t slot, int val) delay(50); } + DPRINTF("iockbc_poll_write: timeout, sts %08x\n", stat); return -1; } @@ -423,6 +438,10 @@ iockbc_poll_read(struct pckbc_internal *t, pckbc_slot_t slot) break; delay(50); } + if ((val & IOC3_KBC_DATA_VALID) == 0) { + DPRINTF("iockbc_poll_read: timeout, wx %08x\n", val); + return -1; + } /* Process received data. */ if (val & IOC3_KBC_DATA_2_VALID) diff --git a/sys/arch/sgi/pci/iocreg.h b/sys/arch/sgi/pci/iocreg.h index 0029793595e..ac3a2b0c369 100644 --- a/sys/arch/sgi/pci/iocreg.h +++ b/sys/arch/sgi/pci/iocreg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: iocreg.h,v 1.8 2009/11/10 15:50:10 jsing Exp $ */ +/* $OpenBSD: iocreg.h,v 1.9 2009/11/11 15:54:25 miod Exp $ */ /* * Copyright (c) 2008 Joel Sing. @@ -111,6 +111,18 @@ /* bits in KBC_CTRL_STATUS */ #define IOC3_KBC_STATUS_KBD_WRITE_PENDING 0x00000001 #define IOC3_KBC_STATUS_AUX_WRITE_PENDING 0x00000002 +#define IOC3_KBC_STATUS_KBD_DATA 0x00000010 +#define IOC3_KBC_STATUS_KBD_CLOCK 0x00000020 +#define IOC3_KBC_CTRL_KBD_PULL_DATA_LOW 0x00000040 +#define IOC3_KBC_CTRL_KBD_PULL_CLOCK_LOW 0x00000080 +#define IOC3_KBC_STATUS_AUX_DATA 0x00000100 +#define IOC3_KBC_STATUS_AUX_CLOCK 0x00000200 +#define IOC3_KBC_CTRL_AUX_PULL_DATA_LOW 0x00000400 +#define IOC3_KBC_CTRL_AUX_PULL_CLOCK_LOW 0x00000800 +#define IOC3_KBC_CTRL_KBD_CLAMP_1 0x00100000 +#define IOC3_KBC_CTRL_AUX_CLAMP_1 0x00200000 +#define IOC3_KBC_CTRL_KBD_CLAMP_3 0x00400000 +#define IOC3_KBC_CTRL_AUX_CLAMP_3 0x00800000 /* bits in KBC_*_RX */ #define IOC3_KBC_DATA_0_VALID 0x80000000 |