Improve support of OpenGL for BeagleBone Black

Asked by 2 months ago
commit: http://git.buildroot.net/buildroot/commit/?id=0686dcf7a99746f236e6ebb5a9db7841f86bf5ad branch: http://git.buildroot.net/buildroot/commit/?id=refs/heads/master Make ti-gfx working on BeagleBone Black by adding an ugly necessary patch to the kernel wich fix: pvrsrvkm: Unknown symbol v7_dma_map_area pvrsrvkm: Unknown symbol v7_dma_flush_range Add drivers to the default kernel config used in beaglebone_defconfig to enable the framebuffer. Signed-off-by: Hadrien Boutteville hadrien.boutteville [ at ] gmail.com Signed-off-by: Thomas Petazzoni thomas.petazzoni [ at ] free-electrons.com board/beaglebone/linux-3.12.config | 11 ++++++- ...cache-flush-management-symbols-when-MULTI.patch | 34 ++++++++++++++++++++ configs/beaglebone_defconfig | 1 + 3 files changed, 45 insertions(+), 1 deletions(-) diff --git a/board/beaglebone/linux-3.12.config b/board/beaglebone/linux-3.12.config index d2d80e9..0be5722 100644 --- a/board/beaglebone/linux-3.12.config +++ b/board/beaglebone/linux-3.12.config @@ -122,7 +122,6 @@ CONFIG_SMSC_PHY=y # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set CONFIG_SERIO_LIBPS2=y -CONFIG_VT_HW_CONSOLE_BINDING=y # CONFIG_LEGACY_PTYS is not set CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y @@ -163,6 +162,16 @@ CONFIG_REGULATOR_TPS65023=y CONFIG_REGULATOR_TPS6507X=y CONFIG_REGULATOR_TPS65217=y CONFIG_REGULATOR_TIAVSCLASS0=y +CONFIG_FB=y +CONFIG_FIRMWARE_EDID=y +CONFIG_FB_DA8XX=y +CONFIG_FB_DA8XX_TDA998X=y +CONFIG_OMAP2_DSS=y +CONFIG_OMAP2_DSS_SDI=y +CONFIG_OMAP2_DSS_DSI=y +CONFIG_FB_OMAP2=y +CONFIG_DISPLAY_CONNECTOR_HDMI=y +CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_USB=y CONFIG_USB_ANNOUNCE_NEW_DEVICES=y CONFIG_USB_MON=y diff --git a/board/beaglebone/patches/linux/linux-0001-arm-Export-cache-flush-management-symbols-when-MULTI.patch b/board/beaglebone/patches/linux/linux-0001-arm-Export-cache-flush-management-symbols-when-MULTI.patch new file mode 100644 index 0000000..1ca1e70 --- /dev/null +++ b/board/beaglebone/patches/linux/linux-0001-arm-Export-cache-flush-management-symbols-when-MULTI.patch @@ -0,0 +1,34 @@ +From 29885f2f3d700341d322274db6ad085e601c0994 Mon Sep 17 00:00:00 2001 +From: Pantelis Antoniou panto [ at ] antoniou-consulting.com +Date: Fri, 4 Jan 2013 00:32:33 +0200 +Subject: [PATCH 3/3] arm: Export cache flush management symbols when + !MULTI_CACHE +When compiling a kernel without CONFIG_MULTI_CACHE enabled the +dma access functions end up not being exported. Fix it. +Signed-off-by: Pantelis Antoniou panto [ at ] antoniou-consulting.com +--- + arch/arm/kernel/setup.c | 9 +++++++++ + 1 file changed, 9 insertions(+) +diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c +index da1d1aa..dcb678c 100644 +--- a/arch/arm/kernel/setup.c ++++ b/arch/arm/kernel/setup.c +@@ -923,3 +923,12 @@ const struct seq_operations cpuinfo_op = { + .stop = c_stop, + .show = c_show + }; ++ ++/* export the cache management functions */ ++#ifndef MULTI_CACHE ++ ++EXPORT_SYMBOL(__glue(_CACHE,_dma_map_area)); ++EXPORT_SYMBOL(__glue(_CACHE,_dma_unmap_area)); ++EXPORT_SYMBOL(__glue(_CACHE,_dma_flush_range)); ++ ++#endif +-- +1.7.10.4 diff --git a/configs/beaglebone_defconfig b/configs/beaglebone_defconfig index 3181c66..f825fa9 100644 --- a/configs/beaglebone_defconfig +++ b/configs/beaglebone_defconfig @@ -33,6 +33,7 @@ BR2_LINUX_KERNEL=y BR2_LINUX_KERNEL_CUSTOM_GIT=y BR2_LINUX_KERNEL_CUSTOM_REPO_URL="git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git" BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="7f280334068b7c875ade51f8f3921ab311f0c824" +BR2_LINUX_KERNEL_PATCH="board/beaglebone/patches/linux/" BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/beaglebone/linux-3.12.config" BR2_LINUX_KERNEL_ZIMAGE=y

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