499a59c234
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.30 All patches automatically rebased. Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com> Link: https://github.com/openwrt/openwrt/pull/18877 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
43 lines
1.7 KiB
Diff
43 lines
1.7 KiB
Diff
From 899714cba9b71401df9d97bb21e0471e6aa49712 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Mon, 11 Nov 2024 16:40:07 +0000
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Subject: [PATCH] net: macb: Add support for Raspberry Pi RP1 ethernet
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controller
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The RP1 chip has the Cadence GEM block, but wants the tx_clock
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to always run at 125MHz, in the same way as sama7g5.
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Add the relevant configuration.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/net/ethernet/cadence/macb_main.c | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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--- a/drivers/net/ethernet/cadence/macb_main.c
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+++ b/drivers/net/ethernet/cadence/macb_main.c
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@@ -5072,6 +5072,17 @@ static const struct macb_config versal_c
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.usrio = &macb_default_usrio,
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};
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+static const struct macb_config raspberrypi_rp1_config = {
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+ .caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_CLK_HW_CHG |
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+ MACB_CAPS_JUMBO |
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+ MACB_CAPS_GEM_HAS_PTP,
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+ .dma_burst_length = 16,
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+ .clk_init = macb_clk_init,
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+ .init = macb_init,
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+ .usrio = &macb_default_usrio,
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+ .jumbo_max_len = 10240,
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+};
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+
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static const struct of_device_id macb_dt_ids[] = {
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{ .compatible = "cdns,at91sam9260-macb", .data = &at91sam9260_config },
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{ .compatible = "cdns,macb" },
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@@ -5092,6 +5103,7 @@ static const struct of_device_id macb_dt
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{ .compatible = "microchip,mpfs-macb", .data = &mpfs_config },
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{ .compatible = "microchip,sama7g5-gem", .data = &sama7g5_gem_config },
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{ .compatible = "microchip,sama7g5-emac", .data = &sama7g5_emac_config },
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+ { .compatible = "raspberrypi,rp1-gem", .data = &raspberrypi_rp1_config },
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{ .compatible = "xlnx,zynqmp-gem", .data = &zynqmp_config},
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{ .compatible = "xlnx,zynq-gem", .data = &zynq_config },
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{ .compatible = "xlnx,versal-gem", .data = &versal_config},
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