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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-08-21 10:54:34 +0200 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-08-21 19:07:07 +0200 |
| commit | 8299d1f057439f94c6a4412e2e5c5082b82a30c9 (patch) | |
| tree | 1bf678d61f11f7394493be464c7876e496f7faed /target/linux/bcm27xx/patches-5.10/950-0125-arm-bcm2835-DMA-can-only-address-1GB.patch | |
| parent | 33b6885975ce376ff075362b7f0890326043111b (diff) | |
| download | upstream-8299d1f057439f94c6a4412e2e5c5082b82a30c9.tar.gz upstream-8299d1f057439f94c6a4412e2e5c5082b82a30c9.tar.bz2 upstream-8299d1f057439f94c6a4412e2e5c5082b82a30c9.zip | |
bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0125-arm-bcm2835-DMA-can-only-address-1GB.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0125-arm-bcm2835-DMA-can-only-address-1GB.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0125-arm-bcm2835-DMA-can-only-address-1GB.patch b/target/linux/bcm27xx/patches-5.10/950-0125-arm-bcm2835-DMA-can-only-address-1GB.patch new file mode 100644 index 0000000000..6c36ec4e6d --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0125-arm-bcm2835-DMA-can-only-address-1GB.patch @@ -0,0 +1,25 @@ +From eac607290fee8b1bcd08c48ac49f089f41a0e696 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Wed, 29 May 2019 15:47:42 +0100 +Subject: [PATCH] arm: bcm2835: DMA can only address 1GB + +The legacy peripherals can only address the first gigabyte of RAM, so +ensure that DMA allocations are restricted to that region. + +Signed-off-by: Phil Elwell <phil@raspberrypi.org> +--- + arch/arm/mach-bcm/board_bcm2835.c | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/arch/arm/mach-bcm/board_bcm2835.c ++++ b/arch/arm/mach-bcm/board_bcm2835.c +@@ -114,6 +114,9 @@ static const char * const bcm2835_compat + }; + + DT_MACHINE_START(BCM2835, "BCM2835") ++#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) ++ .dma_zone_size = SZ_1G, ++#endif + .map_io = bcm2835_map_io, + .init_machine = bcm2835_init, + .dt_compat = bcm2835_compat, |