161 lines
7.6 KiB
Diff
161 lines
7.6 KiB
Diff
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Tue, 15 Apr 2025 01:30:24 -0700 (PDT)
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From: Bruno Leite <brunosampaioleite@gmail.com>
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To: u-boot@lists.denx.de
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Cc: pbrobinson@gmail.com, Matthias Brugger <mbrugger@suse.com>,
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clast@prevas.dk, ravi@prevas.dk, Bruno Leite <brule@prevas.dk>,
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Rasmus Villemoes <rasmus.villemoes@prevas.dk>,
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Simon Glass <sjg@chromium.org>, Tom Rini <trini@konsulko.com>
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Subject: [PATCH 1/1] rpi: copy over uart clock-frequency in DT
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Date: Tue, 15 Apr 2025 10:30:14 +0200
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Message-ID: <20250415083017.3523317-2-brunosampaioleite@gmail.com>
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From: Bruno Leite <brule@prevas.dk>
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rpi5 firmware sets uart_clk clock-frequency in
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the firmware and patches it to the DT, copy it
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over when loading a new DT.
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Signed-off-by: Bruno Leite <brule@prevas.dk>
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Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
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Tested-by: Peter Robinson <pbrobinson@gmail.com>
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---
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board/raspberrypi/rpi/rpi.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
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index 70d3c35499b..5c84c324c71 100644
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--- a/board/raspberrypi/rpi/rpi.c
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+++ b/board/raspberrypi/rpi/rpi.c
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@@ -602,6 +602,9 @@ void update_fdt_from_fw(void *fdt, void *fw_fdt)
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/* Bluetooth device address as provided by the firmware */
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copy_property(fdt, fw_fdt, "/soc/serial@7e201000/bluetooth", "local-bd-address");
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+
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+ /* copy uart clk as provided by the firmware */
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+ copy_property(fdt, fw_fdt, "/clocks/clk-uart", "clock-frequency");
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}
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int ft_board_setup(void *blob, struct bd_info *bd)
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