From: Andrei Lalaev <andrey.lalaev@gmail.com>
To: barebox@lists.infradead.org
Cc: Andrei Lalaev <andrey.lalaev@gmail.com>
Subject: [PATCH RFC 5/6] arm: dts: bcm2712-rpi: disable wifi SDIO
Date: Tue, 01 Sep 2026 17:13:00 +0200 [thread overview]
Message-ID: <20260901-add-rpi5-support-v1-5-129784fe06fa@gmail.com> (raw)
In-Reply-To: <20260901-add-rpi5-support-v1-0-129784fe06fa@gmail.com>
WiFi/BT is not needed for booting and the SDIO device doesn't response with
the error:
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: SDHCI_INT_ERROR: 0x000c8001
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: ============ SDHCI REGISTER DUMP ===========
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: Sys addr: 0x00000000 | Version: 0x00001002
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: Blk size: 0x00000000 | Blk cnt: 0x00000000
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: Argument: 0x00000000 | Trn mode: 0x00000000
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: Present: 0x000f0000 | Host ctl: 0x00000000
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: Power: 0x0000000f | Blk gap: 0x00000080
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: Wake-up: 0x00000000 | Clock: 0x0000fa07
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: Timeout: 0x0000000e | Int stat: 0x000c8001
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: Int enab: 0x077f003f | Sig enab: 0x00000000
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: ACmd stat: 0x00000000 | Slot int: 0x00000000
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: Caps: 0x55eec832 | Caps_1: 0x8000a527
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: Cmd: 0x0000371a | Max curr: 0x00080008
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: Resp[0]: 0x00000000 | Resp[1]: 0x00000000
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: Resp[2]: 0x00000000 | Resp[3]: 0x00000000
ERROR: sdhci-bcmstb 1001100000.mmc@1100000.of: Host ctl2: 0x00000000
Therefore disable it.
Signed-off-by: Andrei Lalaev <andrey.lalaev@gmail.com>
---
arch/arm/dts/bcm2712-rpi.dtsi | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/dts/bcm2712-rpi.dtsi b/arch/arm/dts/bcm2712-rpi.dtsi
index e58138512194..1ee16ba527f1 100644
--- a/arch/arm/dts/bcm2712-rpi.dtsi
+++ b/arch/arm/dts/bcm2712-rpi.dtsi
@@ -7,3 +7,8 @@ / {
&clk_uart {
clock-frequency = <44236800>;
};
+
+/* WiFi SDIO */
+&sdio2 {
+ status = "disabled";
+};
--
2.55.0
next prev parent reply other threads:[~2026-09-01 15:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-01 15:12 [RFC PATCH 0/6] Add Raspberry Pi 5 initial support Andrei Lalaev
2026-09-01 15:12 ` [PATCH RFC 1/6] mci: add driver for Broadcom SDHCI Andrei Lalaev
2026-09-01 15:12 ` [PATCH RFC 2/6] ARM: rpi: add Raspberry Pi 5 support Andrei Lalaev
2026-09-01 15:12 ` [PATCH RFC 3/6] Documentation: bcm283x: " Andrei Lalaev
2026-09-01 15:12 ` [PATCH RFC 4/6] arm: dts: bcm2712-rpi: specify clock frequency for uart Andrei Lalaev
2026-09-01 15:13 ` Andrei Lalaev [this message]
2026-09-01 15:13 ` [PATCH RFC 6/6] bcm283x: debug_ll: add Raspberry Pi 5 UART support Andrei Lalaev
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