mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-30 18:47:06 +00:00
2e715fb4fc
Add support for BCM2712 (Raspberry Pi 5).
3bb5880ab3
Patches were generated from the diff between linux kernel branch linux-6.1.y
and rpi-6.1.y from raspberry pi kernel source:
- git format-patch linux-6.1.y...rpi-6.1.y
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2710/RPi3B, bcm2711/RPi4B
Signed-off-by: Marty Jones <mj8263788@gmail.com>
[Remove applied and reverted patches, squash patches and config commits]
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
37 lines
1.3 KiB
Diff
37 lines
1.3 KiB
Diff
From 87c5545f9a66984894384da5f8c2eeb60983732a Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.com>
|
|
Date: Wed, 8 Mar 2023 16:53:38 +0000
|
|
Subject: [PATCH] dmaengine: bcm2835: Add BCM2712 support
|
|
|
|
BCM2712 has 6 40-bit channels - DMA6 to DMA11. Add a new compatible
|
|
string to indicate that the current platform is BCM2712.
|
|
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
|
|
---
|
|
drivers/dma/bcm2835-dma.c | 7 +++++++
|
|
1 file changed, 7 insertions(+)
|
|
|
|
--- a/drivers/dma/bcm2835-dma.c
|
|
+++ b/drivers/dma/bcm2835-dma.c
|
|
@@ -331,6 +331,12 @@ static const struct bcm2835_dma_cfg_data
|
|
.dma_mask = DMA_BIT_MASK(36),
|
|
};
|
|
|
|
+static const struct bcm2835_dma_cfg_data bcm2712_dma_cfg = {
|
|
+ .chan_40bit_mask = BIT(6) | BIT(7) | BIT(8) | BIT(9) |
|
|
+ BIT(10) | BIT(11),
|
|
+ .dma_mask = DMA_BIT_MASK(40),
|
|
+};
|
|
+
|
|
static inline size_t bcm2835_dma_max_frame_length(struct bcm2835_chan *c)
|
|
{
|
|
/* lite and normal channels have different max frame length */
|
|
@@ -1260,6 +1266,7 @@ EXPORT_SYMBOL(bcm2711_dma40_memcpy);
|
|
static const struct of_device_id bcm2835_dma_of_match[] = {
|
|
{ .compatible = "brcm,bcm2835-dma", .data = &bcm2835_dma_cfg },
|
|
{ .compatible = "brcm,bcm2711-dma", .data = &bcm2711_dma_cfg },
|
|
+ { .compatible = "brcm,bcm2712-dma", .data = &bcm2712_dma_cfg },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, bcm2835_dma_of_match);
|