diff options
| -rw-r--r-- | sys/dev/ofw/ofw_misc.c | 38 | ||||
| -rw-r--r-- | sys/dev/ofw/ofw_misc.h | 16 |
2 files changed, 52 insertions, 2 deletions
diff --git a/sys/dev/ofw/ofw_misc.c b/sys/dev/ofw/ofw_misc.c index f4ca92260e5..3790f2a13d6 100644 --- a/sys/dev/ofw/ofw_misc.c +++ b/sys/dev/ofw/ofw_misc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ofw_misc.c,v 1.21 2020/06/10 23:43:06 patrick Exp $ */ +/* $OpenBSD: ofw_misc.c,v 1.22 2020/06/25 12:35:21 patrick Exp $ */ /* * Copyright (c) 2017 Mark Kettenis * @@ -687,3 +687,39 @@ dai_byphandle(uint32_t phandle) return NULL; } + +/* MII support */ + +LIST_HEAD(, mii_bus) mii_busses = + LIST_HEAD_INITIALIZER(mii_busses); + +void +mii_register(struct mii_bus *md) +{ + LIST_INSERT_HEAD(&mii_busses, md, md_list); +} + +struct mii_bus * +mii_byphandle(uint32_t phandle) +{ + struct mii_bus *md; + int node; + + if (phandle == 0) + return NULL; + + node = OF_getnodebyphandle(phandle); + if (node == 0) + return NULL; + + node = OF_parent(node); + if (node == 0) + return NULL; + + LIST_FOREACH(md, &mii_busses, md_list) { + if (md->md_node == node) + return md; + } + + return NULL; +} diff --git a/sys/dev/ofw/ofw_misc.h b/sys/dev/ofw/ofw_misc.h index 8c7ff7e1d63..6d462b31cd4 100644 --- a/sys/dev/ofw/ofw_misc.h +++ b/sys/dev/ofw/ofw_misc.h @@ -1,4 +1,4 @@ -/* $OpenBSD: ofw_misc.h,v 1.13 2020/06/10 23:43:06 patrick Exp $ */ +/* $OpenBSD: ofw_misc.h,v 1.14 2020/06/25 12:35:21 patrick Exp $ */ /* * Copyright (c) 2017 Mark Kettenis * @@ -213,4 +213,18 @@ struct dai_device *dai_byphandle(uint32_t); #define DAI_CLOCK_CFS (0 << 1) #define DAI_CLOCK_CFM (1 << 1) +/* MII support */ + +struct mii_bus { + int md_node; + void *md_cookie; + int (*md_readreg)(struct device *, int, int); + void (*md_writereg)(struct device *, int, int, int); + + LIST_ENTRY(mii_bus) md_list; +}; + +void mii_register(struct mii_bus *); +struct mii_bus *mii_byphandle(uint32_t); + #endif /* _DEV_OFW_MISC_H_ */ |