diff options
| author | Patrick Wildt <patrick@cvs.openbsd.org> | 2018-02-06 02:23:05 +0000 |
|---|---|---|
| committer | Patrick Wildt <patrick@cvs.openbsd.org> | 2018-02-06 02:23:05 +0000 |
| commit | 753423e5fe6fbcbc80e36e62107cf962e1d35ed5 (patch) | |
| tree | 90ddbb3686a763c6c4f05e119715692794523c5a /sys/dev/ic/bwfm.c | |
| parent | 6b6ecbda1acde48bcb3c46db7247a0d1aecb32b5 (diff) | |
Add support for chips which use SYSMEM memory. Code is a simplified
version of the SOCRAM one.
Diffstat (limited to 'sys/dev/ic/bwfm.c')
| -rw-r--r-- | sys/dev/ic/bwfm.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/sys/dev/ic/bwfm.c b/sys/dev/ic/bwfm.c index aff78047644..0c7b7e371b3 100644 --- a/sys/dev/ic/bwfm.c +++ b/sys/dev/ic/bwfm.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bwfm.c,v 1.35 2018/02/06 02:12:55 patrick Exp $ */ +/* $OpenBSD: bwfm.c,v 1.36 2018/02/06 02:23:04 patrick Exp $ */ /* * Copyright (c) 2010-2016 Broadcom Corporation * Copyright (c) 2016,2017 Patrick Wildt <patrick@blueri.se> @@ -1085,7 +1085,31 @@ bwfm_chip_socram_ramsize(struct bwfm_softc *sc, struct bwfm_core *core) void bwfm_chip_sysmem_ramsize(struct bwfm_softc *sc, struct bwfm_core *core) { - panic("%s: sysmem ramsize not supported", DEVNAME(sc)); + uint32_t coreinfo, nb, banksize, bankinfo; + uint32_t ramsize = 0; + int i; + + if (!sc->sc_chip.ch_core_isup(sc, core)) + sc->sc_chip.ch_core_reset(sc, core, 0, 0, 0); + + coreinfo = sc->sc_buscore_ops->bc_read(sc, + core->co_base + BWFM_SOCRAM_COREINFO); + nb = (coreinfo & BWFM_SOCRAM_COREINFO_SRNB_MASK) + >> BWFM_SOCRAM_COREINFO_SRNB_SHIFT; + + for (i = 0; i < nb; i++) { + sc->sc_buscore_ops->bc_write(sc, + core->co_base + BWFM_SOCRAM_BANKIDX, + (BWFM_SOCRAM_BANKIDX_MEMTYPE_RAM << + BWFM_SOCRAM_BANKIDX_MEMTYPE_SHIFT) | i); + bankinfo = sc->sc_buscore_ops->bc_read(sc, + core->co_base + BWFM_SOCRAM_BANKINFO); + banksize = ((bankinfo & BWFM_SOCRAM_BANKINFO_SZMASK) + 1) + * BWFM_SOCRAM_BANKINFO_SZBASE; + ramsize += banksize; + } + + sc->sc_chip.ch_ramsize = ramsize; } void |