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authorMaximilian Brune <maximilian.brune@9elements.com>2023-09-16 19:49:39 +0200
committerLean Sheng Tan <sheng.tan@9elements.com>2024-03-15 10:09:43 +0000
commitb3e336c51d02c678a4d15573f4edb5834f39bb36 (patch)
treece9cfaa161472fa337f9ed46d1e701cb15692fb2 /src/arch/arm64
parent8627112424796e37f4b20e176cc7524c0db828bc (diff)
treewide: Move stdlib.h to commonlib
This patch moves commonlib/stdlib.h -> commonlib/bsd/stdlib.h, since all code is BSD licensed anyway. It also moves some code from libpayloads stdlib.h to commonlib/bsd/stdlib.h so that it can be shared with coreboot. This is useful for a subsequent commit that adds devicetree.c into commonlib. Also we don't support DMA on arm platforms in coreboot (only libpayload) therefore `dma_malloc()` has been removed and `dma_coherent()` has been moved to architecture specific functions. Any architecture that tries to use `dma_coherent()` now will get a compile time error. In order to not break current platforms like mb/google/herobrine which make use of the commonlib/storage/sdhci.c controller which in turn uses `dma_coherent` a stub has been added to arch/arm64/dma.c. Signed-off-by: Maximilian Brune <maximilian.brune@9elements.com> Change-Id: I3a7ab0d1ddcc7ce9af121a61b4d4eafc9e563a8a Reviewed-on: https://review.coreboot.org/c/coreboot/+/77969 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/arch/arm64')
-rw-r--r--src/arch/arm64/Makefile.mk1
-rw-r--r--src/arch/arm64/dma.c9
2 files changed, 10 insertions, 0 deletions
diff --git a/src/arch/arm64/Makefile.mk b/src/arch/arm64/Makefile.mk
index 538d254ace..2986397e51 100644
--- a/src/arch/arm64/Makefile.mk
+++ b/src/arch/arm64/Makefile.mk
@@ -119,6 +119,7 @@ ramstage-$(CONFIG_ARM64_USE_ARM_TRUSTED_FIRMWARE) += bl31.c
ramstage-y += transition.c transition_asm.S
ramstage-$(CONFIG_PAYLOAD_FIT_SUPPORT) += fit_payload.c
ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi.c
+ramstage-y += dma.c
rmodules_arm64-y += memset.S
rmodules_arm64-y += memcpy.S
diff --git a/src/arch/arm64/dma.c b/src/arch/arm64/dma.c
new file mode 100644
index 0000000000..cdeb50fa09
--- /dev/null
+++ b/src/arch/arm64/dma.c
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#include <stdlib.h>
+
+int dma_coherent(const void *ptr)
+{
+ return 0;
+}