diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2005-12-24 22:08:18 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2005-12-24 22:08:18 +0000 |
| commit | 76321b6afb30361768e0605d340eca7d4aa85f8e (patch) | |
| tree | cf17a6170e182248902392e57064370d4fdb1dca /sys/dev/i2c | |
| parent | d2dcd87a01aaff97e11789e84567c14f9104b6a9 (diff) | |
handle embedded xeon temperature probes. yes, you got it -- i2c wires
coming off the processor... for an embedded adm1021 on the chip. only
the "external" temperature is valid, the other one is disabled.
Diffstat (limited to 'sys/dev/i2c')
| -rw-r--r-- | sys/dev/i2c/adm1021.c | 7 | ||||
| -rw-r--r-- | sys/dev/i2c/i2c_scan.c | 32 |
2 files changed, 36 insertions, 3 deletions
diff --git a/sys/dev/i2c/adm1021.c b/sys/dev/i2c/adm1021.c index 3d4924a55ed..3f7e223b61a 100644 --- a/sys/dev/i2c/adm1021.c +++ b/sys/dev/i2c/adm1021.c @@ -1,4 +1,4 @@ -/* $OpenBSD: adm1021.c,v 1.3 2005/12/24 19:41:45 deraadt Exp $ */ +/* $OpenBSD: adm1021.c,v 1.4 2005/12/24 22:08:17 deraadt Exp $ */ /* * Copyright (c) 2005 Theo de Raadt @@ -63,7 +63,8 @@ admtemp_match(struct device *parent, void *match, void *aux) { struct i2c_attach_args *ia = aux; - if (strcmp(ia->ia_name, "adm1021") == 0) { + if (strcmp(ia->ia_name, "adm1021") == 0 || + strcmp(ia->ia_name, "xeon") == 0) { /* * should also ensure that * config & 0x80 == 0x00 @@ -113,6 +114,8 @@ admtemp_attach(struct device *parent, struct device *self, void *aux) sc->sc_sensor[ADMTEMP_INT].type = SENSOR_TEMP; strlcpy(sc->sc_sensor[ADMTEMP_INT].desc, "Internal", sizeof(sc->sc_sensor[ADMTEMP_INT].desc)); + if (ia->ia_name && strcmp(ia->ia_name, "xeon") == 0) + sc->sc_sensor[ADMTEMP_INT].flags |= SENSOR_FINVALID; sc->sc_sensor[ADMTEMP_EXT].type = SENSOR_TEMP; strlcpy(sc->sc_sensor[ADMTEMP_EXT].desc, "External", diff --git a/sys/dev/i2c/i2c_scan.c b/sys/dev/i2c/i2c_scan.c index 33bd9ad886c..c5a42d61374 100644 --- a/sys/dev/i2c/i2c_scan.c +++ b/sys/dev/i2c/i2c_scan.c @@ -1,4 +1,4 @@ -/* $OpenBSD: i2c_scan.c,v 1.13 2005/12/24 19:33:40 deraadt Exp $ */ +/* $OpenBSD: i2c_scan.c,v 1.14 2005/12/24 22:08:17 deraadt Exp $ */ /* * Copyright (c) 2005 Alexander Yurchenko <grange@openbsd.org> @@ -62,6 +62,8 @@ void iic_probe(struct device *, struct i2cbus_attach_args *, u_int8_t); struct { u_int8_t start, end; } probe_addrs[] = { + { 0x18, 0x18 }, + { 0x1a, 0x1a }, { 0x20, 0x2f }, { 0x48, 0x4f } }; @@ -171,6 +173,30 @@ lm75probe(void) return (1); } +#ifdef __i386__ +static int xeonprobe(u_int8_t); + +static int +xeonprobe(u_int8_t addr) +{ + if (addr == 0x18 || addr == 0x1a || addr == 0x29 || + addr == 0x2b || addr == 0x4c || addr == 0x4e) { + int reg; + + for (reg = 0x00; reg < 0x09; reg++) + if (probe(reg) == 0xff) + return (0); + for (reg = 0x09; reg < 0xff; reg++) + if (probe(reg) != 0xff) + return (0); + return (1); + } + return (0); +} +#endif + + + void iic_probe(struct device *self, struct i2cbus_attach_args *iba, u_int8_t addr) { @@ -257,7 +283,11 @@ iic_probe(struct device *self, struct i2cbus_attach_args *iba, u_int8_t addr) name = "as99127f"; } else if ((addr & 0xfc) == 0x48 && lm75probe()) { name = "lm75"; +#ifdef __i386__ + } else if (xeonprobe(addr)) { + name = "xeon"; } +#endif printf("%s: addr 0x%x", self->dv_xname, addr); // for (i = 0; i < sizeof(probereg); i++) |