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| author | Stefan Wahren <wahrenst@gmx.net> | 2019-09-30 20:29:12 +0200 |
|---|---|---|
| committer | Stefan Wahren <wahrenst@gmx.net> | 2019-10-10 19:21:03 +0200 |
| commit | 781fa0a954240c8487683ddf837fb2c4ede8e7ca (patch) | |
| tree | c08ffc95663a5f2c1a8c08f44330eb34a3c859f4 /arch/arm | |
| parent | 54ecb8f7028c5eb3d740bb82b0f1d90f2df63c5c (diff) | |
| download | lwn-781fa0a954240c8487683ddf837fb2c4ede8e7ca.tar.gz lwn-781fa0a954240c8487683ddf837fb2c4ede8e7ca.zip | |
ARM: bcm: Add support for BCM2711 SoC
Add the BCM2711 to ARCH_BCM2835, but use new machine board code
because of the differences.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Florian Fanelli <f.fainelli@gmail.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-bcm/Kconfig | 4 | ||||
| -rw-r--r-- | arch/arm/mach-bcm/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/mach-bcm/bcm2711.c | 24 |
3 files changed, 29 insertions, 2 deletions
diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig index 5e5f1fabc3d4..e4e25f287ad7 100644 --- a/arch/arm/mach-bcm/Kconfig +++ b/arch/arm/mach-bcm/Kconfig @@ -161,6 +161,8 @@ config ARCH_BCM2835 select GPIOLIB select ARM_AMBA select ARM_ERRATA_411920 if ARCH_MULTI_V6 + select ARM_GIC if ARCH_MULTI_V7 + select ZONE_DMA if ARCH_MULTI_V7 select ARM_TIMER_SP804 select HAVE_ARM_ARCH_TIMER if ARCH_MULTI_V7 select TIMER_OF @@ -169,7 +171,7 @@ config ARCH_BCM2835 select PINCTRL_BCM2835 select MFD_CORE help - This enables support for the Broadcom BCM2835 and BCM2836 SoCs. + This enables support for the Broadcom BCM2711 and BCM283x SoCs. This SoC is used in the Raspberry Pi and Roku 2 devices. config ARCH_BCM_53573 diff --git a/arch/arm/mach-bcm/Makefile b/arch/arm/mach-bcm/Makefile index b59c813b1af4..7baa8c9427d5 100644 --- a/arch/arm/mach-bcm/Makefile +++ b/arch/arm/mach-bcm/Makefile @@ -42,8 +42,9 @@ obj-$(CONFIG_ARCH_BCM_MOBILE_L2_CACHE) += kona_l2_cache.o obj-$(CONFIG_ARCH_BCM_MOBILE_SMC) += bcm_kona_smc.o # BCM2835 -obj-$(CONFIG_ARCH_BCM2835) += board_bcm2835.o ifeq ($(CONFIG_ARCH_BCM2835),y) +obj-y += board_bcm2835.o +obj-y += bcm2711.o ifeq ($(CONFIG_ARM),y) obj-$(CONFIG_SMP) += platsmp.o endif diff --git a/arch/arm/mach-bcm/bcm2711.c b/arch/arm/mach-bcm/bcm2711.c new file mode 100644 index 000000000000..dbe296798647 --- /dev/null +++ b/arch/arm/mach-bcm/bcm2711.c @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 Stefan Wahren + */ + +#include <linux/of_address.h> + +#include <asm/mach/arch.h> + +#include "platsmp.h" + +static const char * const bcm2711_compat[] = { +#ifdef CONFIG_ARCH_MULTI_V7 + "brcm,bcm2711", +#endif +}; + +DT_MACHINE_START(BCM2711, "BCM2711") +#ifdef CONFIG_ZONE_DMA + .dma_zone_size = SZ_1G, +#endif + .dt_compat = bcm2711_compat, + .smp = smp_ops(bcm2836_smp_ops), +MACHINE_END |