diff options
author | Lucas Stach <dev@lynxeye.de> | 2019-11-09 15:28:25 +0100 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-11-11 09:15:55 +0100 |
commit | 667f2367d35ef967fd766b134b0746fa3a17e3f4 (patch) | |
tree | 73527ff50b2478772c4a54fe33977bc860980a7f /arch | |
parent | b6d3e1fa56f365796b40d86e9195f882f0690952 (diff) | |
download | barebox-667f2367d35ef967fd766b134b0746fa3a17e3f4.tar.gz barebox-667f2367d35ef967fd766b134b0746fa3a17e3f4.tar.xz |
ARM: zynq: zedboard: provide DTB
Provide the DTB to allow devices to be probed from there,
instead of board code.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/boards/avnet-zedboard/lowlevel.c | 8 | ||||
-rw-r--r-- | arch/arm/dts/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/dts/zynq-zed.dts | 7 |
3 files changed, 15 insertions, 1 deletions
diff --git a/arch/arm/boards/avnet-zedboard/lowlevel.c b/arch/arm/boards/avnet-zedboard/lowlevel.c index cf3c4ebd0c..ae279e4e64 100644 --- a/arch/arm/boards/avnet-zedboard/lowlevel.c +++ b/arch/arm/boards/avnet-zedboard/lowlevel.c @@ -27,8 +27,13 @@ #define PLL_DDR_LOCK (1 << 1) #define PLL_IO_LOCK (1 << 2) +extern char __dtb_zynq_zed_start[]; + void __naked barebox_arm_reset_vector(uint32_t r0, uint32_t r1, uint32_t r2) { + + void *fdt = __dtb_zynq_zed_start + get_runtime_offset(); + /* open sesame */ writel(0x0000DF0D, ZYNQ_SLCR_UNLOCK); @@ -257,5 +262,6 @@ void __naked barebox_arm_reset_vector(uint32_t r0, uint32_t r1, uint32_t r2) writel(0x0000767B, ZYNQ_SLCR_LOCK); arm_cpu_lowlevel_init(); - barebox_arm_entry(0, SZ_512M, NULL); + + barebox_arm_entry(0, SZ_512M, fdt); } diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 294a0bfa55..c097c10186 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -143,5 +143,6 @@ lwl-dtb-$(CONFIG_MACH_ZII_IMX7D_DEV) += imx7d-zii-rpu2.dtb.o imx7d-zii-rmu2.dtb. lwl-dtb-$(CONFIG_MACH_WAGO_PFC_AM35XX) += am35xx-pfc-750_820x.dtb.o lwl-dtb-$(CONFIG_MACH_LS1046ARDB) += fsl-ls1046a-rdb.dtb.o lwl-dtb-$(CONFIG_MACH_TQMLS1046A) += fsl-tqmls1046a-mbls10xxa.dtb.o +lwl-dtb-$(CONFIG_MACH_ZEDBOARD) += zynq-zed.dtb.o clean-files := *.dtb *.dtb.S .*.dtc .*.pre .*.dts *.dtb.lzo diff --git a/arch/arm/dts/zynq-zed.dts b/arch/arm/dts/zynq-zed.dts new file mode 100644 index 0000000000..52d6833249 --- /dev/null +++ b/arch/arm/dts/zynq-zed.dts @@ -0,0 +1,7 @@ +#include <arm/zynq-zed.dts> + +/ { + chosen { + stdout-path = &uart1; + }; +}; |