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author | Tomaz Solc <tomaz.solc@tablix.org> | 2019-02-18 12:32:19 +0100 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-02-19 10:07:44 +0100 |
commit | 9eed45c7a75f7300741c5cd304bf6b94f734520c (patch) | |
tree | 82215aa49567671d893896213656a891cf4b5ec2 /arch/arm | |
parent | a46631e4ec5de72aaf287213a757be6d06cd8274 (diff) | |
download | barebox-9eed45c7a75f7300741c5cd304bf6b94f734520c.tar.gz barebox-9eed45c7a75f7300741c5cd304bf6b94f734520c.tar.xz |
ARM: rpi: Add device tree for Compute Module 3.
Compute Module needs "no-sd" property on the MMC interface otherwise
mci-bcm2835 hangs on SD card probe.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/boards/raspberry-pi/lowlevel.c | 10 | ||||
-rw-r--r-- | arch/arm/dts/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/dts/bcm2837-rpi-cm3.dts | 18 | ||||
-rw-r--r-- | arch/arm/mach-bcm283x/Kconfig | 6 |
4 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/boards/raspberry-pi/lowlevel.c b/arch/arm/boards/raspberry-pi/lowlevel.c index 34c9350920..1a3d394214 100644 --- a/arch/arm/boards/raspberry-pi/lowlevel.c +++ b/arch/arm/boards/raspberry-pi/lowlevel.c @@ -33,3 +33,13 @@ ENTRY_FUNCTION(start_raspberry_pi3, r0, r1, r2) barebox_arm_entry(BCM2835_SDRAM_BASE, SZ_512M, fdt); } + +extern char __dtb_bcm2837_rpi_cm3_start[]; +ENTRY_FUNCTION(start_raspberry_pi_cm3, r0, r1, r2) +{ + void *fdt = __dtb_bcm2837_rpi_cm3_start + get_runtime_offset(); + + arm_cpu_lowlevel_init(); + + barebox_arm_entry(BCM2835_SDRAM_BASE, SZ_512M, fdt); +} diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 3cdee1ffb7..82595f9b77 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -75,6 +75,7 @@ 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-$(CONFIG_MACH_RPI_CM3) += bcm2837-rpi-cm3.dtb.o pbl-dtb-$(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-cm3.dts b/arch/arm/dts/bcm2837-rpi-cm3.dts new file mode 100644 index 0000000000..cfbffe175f --- /dev/null +++ b/arch/arm/dts/bcm2837-rpi-cm3.dts @@ -0,0 +1,18 @@ +#include <arm/bcm2837-rpi-cm3-io3.dts> + +/ { + chosen { + stdout-path = &uart0; + }; + + memory { + reg = <0x0 0x0>; + }; +}; + +&sdhci { + pinctrl-0 = <&emmc_gpio48>; + no-sd; + non-removable; + status = "okay"; +}; diff --git a/arch/arm/mach-bcm283x/Kconfig b/arch/arm/mach-bcm283x/Kconfig index af2f88c47a..bb5f75dc90 100644 --- a/arch/arm/mach-bcm283x/Kconfig +++ b/arch/arm/mach-bcm283x/Kconfig @@ -25,6 +25,12 @@ config MACH_RPI3 select MACH_RPI_COMMON select ARM_SECURE_MONITOR +config MACH_RPI_CM3 + bool "RaspberryPi Compute Module 3 (BCM2837/CORTEX-A53)" + select CPU_V7 + select MACH_RPI_COMMON + select ARM_SECURE_MONITOR + endmenu config MACH_RPI_DEBUG_UART_BASE |