From a4c8e2b6340fd688ac3929c241f198949a3b1079 Mon Sep 17 00:00:00 2001 From: patrick Date: Wed, 7 Feb 2018 21:36:34 +0000 Subject: [PATCH] Add helper to find out if the chip supports Save/Restore. Will be used in the SDIO bus glue. --- sys/dev/ic/bwfm.c | 45 +++++++++++++++++++++++++++++++++++++++++++- sys/dev/ic/bwfmreg.h | 12 +++++++++++- sys/dev/ic/bwfmvar.h | 3 ++- 3 files changed, 57 insertions(+), 3 deletions(-) diff --git a/sys/dev/ic/bwfm.c b/sys/dev/ic/bwfm.c index 0c7b7e371b3..8a52b3aa90d 100644 --- a/sys/dev/ic/bwfm.c +++ b/sys/dev/ic/bwfm.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bwfm.c,v 1.36 2018/02/06 02:23:04 patrick Exp $ */ +/* $OpenBSD: bwfm.c,v 1.37 2018/02/07 21:36:34 patrick Exp $ */ /* * Copyright (c) 2010-2016 Broadcom Corporation * Copyright (c) 2016,2017 Patrick Wildt @@ -1025,6 +1025,49 @@ bwfm_chip_cm3_set_passive(struct bwfm_softc *sc) } } +int +bwfm_chip_sr_capable(struct bwfm_softc *sc) +{ + struct bwfm_core *core; + uint32_t reg; + + if (sc->sc_chip.ch_pmurev < 17) + return 0; + + core = bwfm_chip_get_core(sc, BWFM_AGENT_CORE_CHIPCOMMON); + switch (sc->sc_chip.ch_chip) { + case BRCM_CC_4354_CHIP_ID: + case BRCM_CC_4356_CHIP_ID: + sc->sc_buscore_ops->bc_write(sc, core->co_base + + BWFM_CHIP_REG_CHIPCONTROL_ADDR, 3); + reg = sc->sc_buscore_ops->bc_read(sc, core->co_base + + BWFM_CHIP_REG_CHIPCONTROL_DATA); + return (reg & (1 << 2)) != 0; + case BRCM_CC_43241_CHIP_ID: + case BRCM_CC_4335_CHIP_ID: + case BRCM_CC_4339_CHIP_ID: + sc->sc_buscore_ops->bc_write(sc, core->co_base + + BWFM_CHIP_REG_CHIPCONTROL_ADDR, 3); + reg = sc->sc_buscore_ops->bc_read(sc, core->co_base + + BWFM_CHIP_REG_CHIPCONTROL_DATA); + return reg != 0; + case BRCM_CC_43430_CHIP_ID: + reg = sc->sc_buscore_ops->bc_read(sc, core->co_base + + BWFM_CHIP_REG_SR_CONTROL1); + return reg != 0; + default: + reg = sc->sc_buscore_ops->bc_read(sc, core->co_base + + BWFM_CHIP_REG_PMUCAPABILITIES_EXT); + if ((reg & BWFM_CHIP_REG_PMUCAPABILITIES_SR_SUPP) == 0) + return 0; + + reg = sc->sc_buscore_ops->bc_read(sc, core->co_base + + BWFM_CHIP_REG_RETENTION_CTL); + return (reg & (BWFM_CHIP_REG_RETENTION_CTL_MACPHY_DIS | + BWFM_CHIP_REG_RETENTION_CTL_LOGIC_DIS)) == 0; + } +} + /* RAM size helpers */ void bwfm_chip_socram_ramsize(struct bwfm_softc *sc, struct bwfm_core *core) diff --git a/sys/dev/ic/bwfmreg.h b/sys/dev/ic/bwfmreg.h index f0ee714712f..3f04fe81a58 100644 --- a/sys/dev/ic/bwfmreg.h +++ b/sys/dev/ic/bwfmreg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: bwfmreg.h,v 1.14 2018/01/11 19:33:34 patrick Exp $ */ +/* $OpenBSD: bwfmreg.h,v 1.15 2018/02/07 21:36:34 patrick Exp $ */ /* * Copyright (c) 2010-2016 Broadcom Corporation * Copyright (c) 2016,2017 Patrick Wildt @@ -51,12 +51,22 @@ #define BWFM_CHIP_REG_CAPABILITIES_EXT_AOB_PRESENT 0x00000040 #define BWFM_CHIP_REG_WATCHDOG 0x00000080 #define BWFM_CHIP_REG_EROMPTR 0x000000FC +#define BWFM_CHIP_REG_SR_CAPABILITY 0x00000500 +#define BWFM_CHIP_REG_SR_CONTROL0 0x00000504 +#define BWFM_CHIP_REG_SR_CONTROL1 0x00000508 #define BWFM_CHIP_REG_PMUCONTROL 0x00000600 #define BWFM_CHIP_REG_PMUCONTROL_RES_MASK 0x00006000 #define BWFM_CHIP_REG_PMUCONTROL_RES_SHIFT 13 #define BWFM_CHIP_REG_PMUCONTROL_RES_RELOAD 0x2 #define BWFM_CHIP_REG_PMUCAPABILITIES 0x00000604 #define BWFM_CHIP_REG_PMUCAPABILITIES_REV_MASK 0x000000ff +#define BWFM_CHIP_REG_PMUCAPABILITIES_EXT 0x0000064C +#define BWFM_CHIP_REG_PMUCAPABILITIES_SR_SUPP (1 << 1) +#define BWFM_CHIP_REG_CHIPCONTROL_ADDR 0x00000650 +#define BWFM_CHIP_REG_CHIPCONTROL_DATA 0x00000654 +#define BWFM_CHIP_REG_RETENTION_CTL 0x00000670 +#define BWFM_CHIP_REG_RETENTION_CTL_MACPHY_DIS (1 << 26) +#define BWFM_CHIP_REG_RETENTION_CTL_LOGIC_DIS (1 << 27) /* Agent registers */ #define BWFM_AGENT_IOCTL 0x0408 diff --git a/sys/dev/ic/bwfmvar.h b/sys/dev/ic/bwfmvar.h index 55669bb2b26..6ac4bd24a54 100644 --- a/sys/dev/ic/bwfmvar.h +++ b/sys/dev/ic/bwfmvar.h @@ -1,4 +1,4 @@ -/* $OpenBSD: bwfmvar.h,v 1.9 2018/02/05 10:30:04 patrick Exp $ */ +/* $OpenBSD: bwfmvar.h,v 1.10 2018/02/07 21:36:34 patrick Exp $ */ /* * Copyright (c) 2010-2016 Broadcom Corporation * Copyright (c) 2016,2017 Patrick Wildt @@ -164,6 +164,7 @@ int bwfm_detach(struct bwfm_softc *, int); int bwfm_chip_attach(struct bwfm_softc *); int bwfm_chip_set_active(struct bwfm_softc *, uint32_t); void bwfm_chip_set_passive(struct bwfm_softc *); +int bwfm_chip_sr_capable(struct bwfm_softc *); struct bwfm_core *bwfm_chip_get_core(struct bwfm_softc *, int); struct bwfm_core *bwfm_chip_get_pmu(struct bwfm_softc *); void bwfm_rx(struct bwfm_softc *, struct mbuf *); -- 2.20.1