From: patrick <patrick@openbsd.org>
Date: Sun, 31 Jan 2021 11:07:51 +0000 (+0000)
Subject: Add basic support for BCM4378 as found on the Apple M1 SoCs.  There's a
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=c38a9bc9b20c1fb0f07366e6a1ca99305ae62635;p=openbsd

Add basic support for BCM4378 as found on the Apple M1 SoCs.  There's a
little bit more to do though before it can be enabled.
---

diff --git a/sys/dev/ic/bwfm.c b/sys/dev/ic/bwfm.c
index 7b798d47184..1783a57bd36 100644
--- a/sys/dev/ic/bwfm.c
+++ b/sys/dev/ic/bwfm.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bwfm.c,v 1.79 2020/12/17 15:37:09 jcs Exp $ */
+/* $OpenBSD: bwfm.c,v 1.80 2021/01/31 11:07:51 patrick Exp $ */
 /*
  * Copyright (c) 2010-2016 Broadcom Corporation
  * Copyright (c) 2016,2017 Patrick Wildt <patrick@blueri.se>
@@ -1323,6 +1323,8 @@ bwfm_chip_sr_capable(struct bwfm_softc *sc)
 		reg = sc->sc_buscore_ops->bc_read(sc, core->co_base +
 		    BWFM_CHIP_REG_SR_CONTROL1);
 		return reg != 0;
+	case BRCM_CC_4378_CHIP_ID:
+		return 0;
 	default:
 		core = bwfm_chip_get_pmu(sc);
 		reg = sc->sc_buscore_ops->bc_read(sc, core->co_base +
@@ -1482,6 +1484,9 @@ bwfm_chip_tcm_rambase(struct bwfm_softc *sc)
 	case CY_CC_4373_CHIP_ID:
 		sc->sc_chip.ch_rambase = 0x160000;
 		break;
+	case BRCM_CC_4378_CHIP_ID:
+		sc->sc_chip.ch_rambase = 0x352000;
+		break;
 	default:
 		printf("%s: unknown chip: %d\n", DEVNAME(sc),
 		    sc->sc_chip.ch_chip);
diff --git a/sys/dev/ic/bwfmvar.h b/sys/dev/ic/bwfmvar.h
index c91cca79ce5..3262f326483 100644
--- a/sys/dev/ic/bwfmvar.h
+++ b/sys/dev/ic/bwfmvar.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: bwfmvar.h,v 1.21 2020/12/02 17:06:35 krw Exp $ */
+/* $OpenBSD: bwfmvar.h,v 1.22 2021/01/31 11:07:51 patrick Exp $ */
 /*
  * Copyright (c) 2010-2016 Broadcom Corporation
  * Copyright (c) 2016,2017 Patrick Wildt <patrick@blueri.se>
@@ -48,6 +48,7 @@
 #define BRCM_CC_4365_CHIP_ID		0x4365
 #define BRCM_CC_4366_CHIP_ID		0x4366
 #define BRCM_CC_4371_CHIP_ID		0x4371
+#define BRCM_CC_4378_CHIP_ID		0x4378
 #define CY_CC_4373_CHIP_ID		0x4373
 
 /* Defaults */
diff --git a/sys/dev/pci/if_bwfm_pci.c b/sys/dev/pci/if_bwfm_pci.c
index 42cc85a9a4f..7fc2ec380e9 100644
--- a/sys/dev/pci/if_bwfm_pci.c
+++ b/sys/dev/pci/if_bwfm_pci.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_bwfm_pci.c,v 1.38 2020/12/12 11:48:53 jan Exp $	*/
+/*	$OpenBSD: if_bwfm_pci.c,v 1.39 2021/01/31 11:07:51 patrick Exp $	*/
 /*
  * Copyright (c) 2010-2016 Broadcom Corporation
  * Copyright (c) 2017 Patrick Wildt <patrick@blueri.se>
@@ -432,6 +432,9 @@ bwfm_pci_preinit(struct bwfm_softc *bwfm)
 	case BRCM_CC_4371_CHIP_ID:
 		chip = "4371";
 		break;
+	case BRCM_CC_4378_CHIP_ID:
+		chip = "4378";
+		break;
 	default:
 		printf("%s: unknown firmware for chip %s\n",
 		    DEVNAME(sc), bwfm->sc_chip.ch_name);