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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-31 18:23:26 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-08-02 18:51:32 +0200 |
commit | 19226502bf6393706defe7f049c587b32c9b4f33 (patch) | |
tree | 0bff89a72b7006051a6eec1ac3c0c9250490cf4f /target/linux/brcm2708/patches-4.19/950-0535-arm-bcm2835-DMA-can-only-address-1GB.patch | |
parent | 66458c49aa14ebc9ba2e4f9b6a323b8ff122807b (diff) | |
download | upstream-19226502bf6393706defe7f049c587b32c9b4f33.tar.gz upstream-19226502bf6393706defe7f049c587b32c9b4f33.tar.bz2 upstream-19226502bf6393706defe7f049c587b32c9b4f33.zip |
brcm2708: update to latest patches from the RPi foundation
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0535-arm-bcm2835-DMA-can-only-address-1GB.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0535-arm-bcm2835-DMA-can-only-address-1GB.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0535-arm-bcm2835-DMA-can-only-address-1GB.patch b/target/linux/brcm2708/patches-4.19/950-0535-arm-bcm2835-DMA-can-only-address-1GB.patch new file mode 100644 index 0000000000..d589c43d34 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0535-arm-bcm2835-DMA-can-only-address-1GB.patch @@ -0,0 +1,25 @@ +From 873462f7e2a67c2683c916612716b447b2f8f7d7 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Wed, 29 May 2019 15:47:42 +0100 +Subject: [PATCH 535/725] 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 +@@ -123,6 +123,9 @@ 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, |