diff options
Diffstat (limited to 'configs/platform-v7a/patches/barebox-2017.10.0/0009-vexpress-use-device-tree-provided-by-QEMU-if-availab.patch')
-rw-r--r-- | configs/platform-v7a/patches/barebox-2017.10.0/0009-vexpress-use-device-tree-provided-by-QEMU-if-availab.patch | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/configs/platform-v7a/patches/barebox-2017.10.0/0009-vexpress-use-device-tree-provided-by-QEMU-if-availab.patch b/configs/platform-v7a/patches/barebox-2017.10.0/0009-vexpress-use-device-tree-provided-by-QEMU-if-availab.patch deleted file mode 100644 index d6d8171..0000000 --- a/configs/platform-v7a/patches/barebox-2017.10.0/0009-vexpress-use-device-tree-provided-by-QEMU-if-availab.patch +++ /dev/null @@ -1,50 +0,0 @@ -From: Michael Olbrich <m.olbrich@pengutronix.de> -Date: Sat, 10 Sep 2016 17:40:56 +0200 -Subject: [PATCH] vexpress: use device tree provided by QEMU if available - -Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de> ---- - arch/arm/boards/vexpress/lowlevel.c | 20 ++++++++++++++++++-- - 1 file changed, 18 insertions(+), 2 deletions(-) - -diff --git a/arch/arm/boards/vexpress/lowlevel.c b/arch/arm/boards/vexpress/lowlevel.c -index 0a226b295c2a..9fe7c836b7b6 100644 ---- a/arch/arm/boards/vexpress/lowlevel.c -+++ b/arch/arm/boards/vexpress/lowlevel.c -@@ -9,18 +9,34 @@ - #include <asm/barebox-arm-head.h> - #include <asm/barebox-arm.h> - #include <asm/system_info.h> -+#include <asm/unaligned.h> - #include <linux/amba/sp804.h> - - static inline void start_vexpress_common(void *internal_dt) - { - void *fdt = internal_dt - get_runtime_offset(); -+ unsigned long membase, memsize = SZ_512M; - - arm_cpu_lowlevel_init(); - - if (amba_is_arm_sp804(IOMEM(0x10011000))) -- barebox_arm_entry(0x60000000, SZ_512M, fdt); -+ membase = 0x60000000; - else -- barebox_arm_entry(0x80000000, SZ_512M, fdt); -+ membase = 0x80000000; -+ -+ /* QEMU may put a DTB at the start of RAM */ -+ if (IS_ENABLED(CONFIG_OFDEVICE) && -+ get_unaligned_be32((void*)membase) == FDT_MAGIC) { -+ fdt = (void*)membase; -+ /* -+ * Need to move membase a bit as the PBL wants to relocate -+ * to the start of RAM, which would overwrite the DTB. -+ */ -+ membase += SZ_4M; -+ memsize -= SZ_4M; -+ } -+ -+ barebox_arm_entry(membase, memsize, fdt); - } - - extern char __dtb_vexpress_v2p_ca9_start[]; |