This adds basic support at the same feature level as the other supported raspberry pi boards. Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> --- arch/arm/boards/raspberry-pi/lowlevel.c | 14 ++++++++++++-- arch/arm/configs/rpi_defconfig | 2 ++ arch/arm/dts/Makefile | 1 + arch/arm/dts/bcm2837-rpi-3.dts | 15 +++++++++++++++ arch/arm/mach-bcm283x/Kconfig | 6 ++++++ arch/arm/mach-bcm283x/core.c | 1 + images/Makefile.bcm283x | 4 ++++ 7 files changed, 41 insertions(+), 2 deletions(-) create mode 100644 arch/arm/dts/bcm2837-rpi-3.dts diff --git a/arch/arm/boards/raspberry-pi/lowlevel.c b/arch/arm/boards/raspberry-pi/lowlevel.c index 4e71e29e0c0b..5ca0d3877069 100644 --- a/arch/arm/boards/raspberry-pi/lowlevel.c +++ b/arch/arm/boards/raspberry-pi/lowlevel.c @@ -1,7 +1,7 @@ +#include <asm/barebox-arm.h> +#include <asm/cache.h> #include <common.h> #include <linux/sizes.h> -#include <asm/barebox-arm.h> -#include <asm/barebox-arm-head.h> #include <mach/platform.h> extern char __dtb_bcm2835_rpi_start[]; @@ -23,3 +23,13 @@ ENTRY_FUNCTION(start_raspberry_pi2, r0, r1, r2) barebox_arm_entry(BCM2835_SDRAM_BASE, SZ_512M, fdt); } + +extern char __dtb_bcm2837_rpi_3_start[]; +ENTRY_FUNCTION(start_raspberry_pi3, r0, r1, r2) +{ + void *fdt = __dtb_bcm2837_rpi_3_start - get_runtime_offset(); + + arm_cpu_lowlevel_init(); + + barebox_arm_entry(BCM2835_SDRAM_BASE, SZ_512M, fdt); +} diff --git a/arch/arm/configs/rpi_defconfig b/arch/arm/configs/rpi_defconfig index 6dc90c59b36d..34070a05abe7 100644 --- a/arch/arm/configs/rpi_defconfig +++ b/arch/arm/configs/rpi_defconfig @@ -1,9 +1,11 @@ CONFIG_ARCH_BCM283X=y CONFIG_MACH_RPI=y CONFIG_MACH_RPI2=y +CONFIG_MACH_RPI3=y CONFIG_AEABI=y CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y CONFIG_ARM_UNWIND=y +CONFIG_IMAGE_COMPRESSION_NONE=y CONFIG_MMU=y CONFIG_MALLOC_TLSF=y CONFIG_KALLSYMS=y diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 0526a6f40724..0eab313c5011 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -66,6 +66,7 @@ pbl-dtb-$(CONFIG_MACH_PHYTEC_SOM_RK3288) += rk3288-phycore-som.dtb.o pbl-dtb-$(CONFIG_MACH_REALQ7) += imx6q-dmo-edmqmx6.dtb.o pbl-dtb-$(CONFIG_MACH_RPI) += bcm2835-rpi.dtb.o pbl-dtb-$(CONFIG_MACH_RPI2) += bcm2836-rpi-2.dtb.o +pbl-dtb-$(CONFIG_MACH_RPI3) += bcm2837-rpi-3.dtb.o pbl-dtb-$(CONFIG_MACH_SABRELITE) += imx6q-sabrelite.dtb.o imx6dl-sabrelite.dtb.o pbl-dtb-$(CONFIG_MACH_SABRESD) += imx6q-sabresd.dtb.o pbl-dtb-$(CONFIG_MACH_FREESCALE_IMX6SX_SABRESDB) += imx6sx-sdb.dtb.o diff --git a/arch/arm/dts/bcm2837-rpi-3.dts b/arch/arm/dts/bcm2837-rpi-3.dts new file mode 100644 index 000000000000..f8c58c570137 --- /dev/null +++ b/arch/arm/dts/bcm2837-rpi-3.dts @@ -0,0 +1,15 @@ +#include <arm64/broadcom/bcm2837-rpi-3-b.dts> + +/ { + chosen { + stdout-path = &uart0; + }; + + memory { + reg = <0x0 0x0>; + }; +}; + +&uart0 { + status = "okay"; +}; diff --git a/arch/arm/mach-bcm283x/Kconfig b/arch/arm/mach-bcm283x/Kconfig index 1457f114ccaa..af2f88c47acb 100644 --- a/arch/arm/mach-bcm283x/Kconfig +++ b/arch/arm/mach-bcm283x/Kconfig @@ -19,6 +19,12 @@ config MACH_RPI2 select CPU_V7 select MACH_RPI_COMMON +config MACH_RPI3 + bool "RaspberryPi 3 (BCM2837/CORTEX-A53)" + select CPU_V7 + select MACH_RPI_COMMON + select ARM_SECURE_MONITOR + endmenu config MACH_RPI_DEBUG_UART_BASE diff --git a/arch/arm/mach-bcm283x/core.c b/arch/arm/mach-bcm283x/core.c index fddcb0d1a1d4..26f0996b1cb8 100644 --- a/arch/arm/mach-bcm283x/core.c +++ b/arch/arm/mach-bcm283x/core.c @@ -41,6 +41,7 @@ static int bcm2835_clk_init(void) clk = clk_fixed("uart0-pl0110", 3 * 1000 * 1000); clk_register_clkdev(clk, NULL, "uart0-pl0110"); clk_register_clkdev(clk, NULL, "20201000.serial"); + clk_register_clkdev(clk, NULL, "3f201000.serial"); clk = clk_fixed("bcm2835-cs", 1 * 1000 * 1000); clk_register_clkdev(clk, NULL, "bcm2835-cs"); diff --git a/images/Makefile.bcm283x b/images/Makefile.bcm283x index d59ef043f05c..d14e648926ac 100644 --- a/images/Makefile.bcm283x +++ b/images/Makefile.bcm283x @@ -9,3 +9,7 @@ image-$(CONFIG_MACH_RPI) += barebox-raspberry-pi-1.img pblx-$(CONFIG_MACH_RPI2) += start_raspberry_pi2 FILE_barebox-raspberry-pi-2.img = start_raspberry_pi2.pblx image-$(CONFIG_MACH_RPI2) += barebox-raspberry-pi-2.img + +pblx-$(CONFIG_MACH_RPI3) += start_raspberry_pi3 +FILE_barebox-raspberry-pi-3.img = start_raspberry_pi3.pblx +image-$(CONFIG_MACH_RPI3) += barebox-raspberry-pi-3.img \ No newline at end of file -- 2.15.1 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox