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openmptcprouter/6.12/target/linux/bcm27xx/patches-6.12/950-0568-net-macb-Add-support-for-Raspberry-Pi-RP1-ethernet-c.patch
Ycarus (Yannick Chabanois) bdb9b0046f Add bcm27xx 6.12 test support
2024-12-20 14:17:26 +01:00

43 lines
1.7 KiB
Diff

From bb01000f1240bd3d7913020895b17f6fb5f000df Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Mon, 11 Nov 2024 16:40:07 +0000
Subject: [PATCH 568/697] net: macb: Add support for Raspberry Pi RP1 ethernet
controller
The RP1 chip has the Cadence GEM block, but wants the tx_clock
to always run at 125MHz, in the same way as sama7g5.
Add the relevant configuration.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/net/ethernet/cadence/macb_main.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -5072,6 +5072,17 @@ static const struct macb_config versal_c
.usrio = &macb_default_usrio,
};
+static const struct macb_config raspberrypi_rp1_config = {
+ .caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_CLK_HW_CHG |
+ MACB_CAPS_JUMBO |
+ MACB_CAPS_GEM_HAS_PTP,
+ .dma_burst_length = 16,
+ .clk_init = macb_clk_init,
+ .init = macb_init,
+ .usrio = &macb_default_usrio,
+ .jumbo_max_len = 10240,
+};
+
static const struct of_device_id macb_dt_ids[] = {
{ .compatible = "cdns,at91sam9260-macb", .data = &at91sam9260_config },
{ .compatible = "cdns,macb" },
@@ -5092,6 +5103,7 @@ static const struct of_device_id macb_dt
{ .compatible = "microchip,mpfs-macb", .data = &mpfs_config },
{ .compatible = "microchip,sama7g5-gem", .data = &sama7g5_gem_config },
{ .compatible = "microchip,sama7g5-emac", .data = &sama7g5_emac_config },
+ { .compatible = "raspberrypi,rp1-gem", .data = &raspberrypi_rp1_config },
{ .compatible = "xlnx,zynqmp-gem", .data = &zynqmp_config},
{ .compatible = "xlnx,zynq-gem", .data = &zynq_config },
{ .compatible = "xlnx,versal-gem", .data = &versal_config},