diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2006-01-02 01:58:56 +0000 |
---|---|---|
committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2006-01-02 01:58:56 +0000 |
commit | d45b66087c747ba180951d66880a5d908f5a109a (patch) | |
tree | 13d7f2d1cf3a6ad5eccd526e50cc6d1a0a6f0aba | |
parent | 19c2190d65b50ccbcb1385e2ef74f7e2f1c6c92d (diff) |
do i2c initialization using ofw data instead of scanning; ok kettenis
this may require some changes for non-pmu controllers later, which may
do the ofw tables slightly differently
-rw-r--r-- | sys/arch/sparc64/conf/files.sparc64 | 3 | ||||
-rw-r--r-- | sys/arch/sparc64/dev/ofwi2c.c | 72 | ||||
-rw-r--r-- | sys/arch/sparc64/dev/ofwi2cvar.h | 21 | ||||
-rw-r--r-- | sys/dev/pci/alipm.c | 10 |
4 files changed, 104 insertions, 2 deletions
diff --git a/sys/arch/sparc64/conf/files.sparc64 b/sys/arch/sparc64/conf/files.sparc64 index b1edcf151cc..9ac379993f3 100644 --- a/sys/arch/sparc64/conf/files.sparc64 +++ b/sys/arch/sparc64/conf/files.sparc64 @@ -1,4 +1,4 @@ -# $OpenBSD: files.sparc64,v 1.62 2005/12/27 23:19:01 deraadt Exp $ +# $OpenBSD: files.sparc64,v 1.63 2006/01/02 01:58:55 deraadt Exp $ # $NetBSD: files.sparc64,v 1.50 2001/08/10 20:53:50 eeh Exp $ # maxpartitions must be first item in files.${ARCH} @@ -252,6 +252,7 @@ major {rd = 5} # Machine-independent I2C drivers # include "dev/i2c/files.i2c" +file arch/sparc64/dev/ofwi2c.c i2cbus # # Machine-independent USB drivers diff --git a/sys/arch/sparc64/dev/ofwi2c.c b/sys/arch/sparc64/dev/ofwi2c.c new file mode 100644 index 00000000000..1a7107992ef --- /dev/null +++ b/sys/arch/sparc64/dev/ofwi2c.c @@ -0,0 +1,72 @@ +/* $OpenBSD: ofwi2c.c,v 1.1 2006/01/02 01:58:55 deraadt Exp $ */ + +/* + * Copyright (c) 2006 Theo de Raadt + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/device.h> + +#include <dev/i2c/i2cvar.h> +#include <dev/ofw/openfirm.h> + +#include <dev/pci/pcivar.h> +#include <dev/pci/pcireg.h> +#include <sparc64/pci_machdep.h> + +#include <arch/sparc64/dev/ofwi2cvar.h> + +void +ofwiic_scan(struct device *self, struct i2cbus_attach_args *iba, void *aux) +{ + struct pci_attach_args *pa = aux; + pcitag_t tag = pa->pa_tag; + int iba_node = PCITAG_NODE(tag); + extern int iic_print(void *, const char *); + struct i2c_attach_args ia; + char name[32]; + u_int32_t reg[2]; + int node; + + for (node = OF_child(iba_node); node; node = OF_peer(node)) { + memset(name, 0, sizeof name); + if (OF_getprop(node, "compatible", &name, + sizeof name) && name[0]) + ia.ia_name = name; + + if (strcmp(name, "i2c-smbus") == 0) { + for (node = OF_child(node); node; node = OF_peer(node)) { + ia.ia_tag = iba->iba_tag; + ia.ia_name = NULL; + memset(name, 0, sizeof name); + if (OF_getprop(node, "compatible", &name, + sizeof name) && name[0]) { + ia.ia_name = name; + if (strncmp(ia.ia_name, "i2c-", + strlen("i2c-")) == 0) + ia.ia_name += strlen("i2c-"); + } + if (OF_getprop(node, "reg", ®, + sizeof reg) != sizeof reg) + continue; + ia.ia_addr = (reg[1] >> 1); + if (ia.ia_name) + config_found(self, &ia, iic_print); + } + return; + } + } +} diff --git a/sys/arch/sparc64/dev/ofwi2cvar.h b/sys/arch/sparc64/dev/ofwi2cvar.h new file mode 100644 index 00000000000..d4cd0ef90ea --- /dev/null +++ b/sys/arch/sparc64/dev/ofwi2cvar.h @@ -0,0 +1,21 @@ +/* $OpenBSD: ofwi2cvar.h,v 1.1 2006/01/02 01:58:55 deraadt Exp $ */ + +/* + * Copyright (c) 2006 Theo de Raadt + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <dev/i2c/i2cvar.h> + +void ofwiic_scan(struct device *sc, struct i2cbus_attach_args *iba, void *aux); diff --git a/sys/dev/pci/alipm.c b/sys/dev/pci/alipm.c index 4c7588a3156..a82ca8479a0 100644 --- a/sys/dev/pci/alipm.c +++ b/sys/dev/pci/alipm.c @@ -1,4 +1,4 @@ -/* $OpenBSD: alipm.c,v 1.4 2006/01/01 20:52:26 deraadt Exp $ */ +/* $OpenBSD: alipm.c,v 1.5 2006/01/02 01:58:53 deraadt Exp $ */ /* * Copyright (c) 2005 Mark Kettenis @@ -29,6 +29,10 @@ #include <dev/pci/pcireg.h> #include <dev/pci/pcivar.h> +#ifdef __sparc64__ +#include <arch/sparc64/dev/ofwi2cvar.h> +#endif + /* * Acer Labs M7101 Power register definitions. */ @@ -215,6 +219,10 @@ alipm_attach(struct device *parent, struct device *self, void *aux) bzero(&iba, sizeof iba); iba.iba_name = "iic"; iba.iba_tag = &sc->sc_smb_tag; +#ifdef __sparc64__ + iba.iba_bus_scan = ofwiic_scan; + iba.iba_bus_scan_arg = pa; +#endif config_found(&sc->sc_dev, &iba, iicbus_print); } |