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ARM: bcm: Add support for BCM2711 SoC

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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>
This commit is contained in:
Stefan Wahren 2019-09-30 20:29:12 +02:00
parent 54ecb8f702
commit 781fa0a954
4 changed files with 32 additions and 4 deletions
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4
arch/arm/mach-bcm/Kconfig
View file

@ -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

3
arch/arm/mach-bcm/Makefile
View file

@ -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

24
arch/arm/mach-bcm/bcm2711.c Normal file
View file

@ -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

5
arch/arm64/Kconfig.platforms
View file

@ -37,11 +37,12 @@ config ARCH_BCM2835
select PINCTRL
select PINCTRL_BCM2835
select ARM_AMBA
select ARM_GIC
select ARM_TIMER_SP804
select HAVE_ARM_ARCH_TIMER
help
This enables support for the Broadcom BCM2837 SoC.
This SoC is used in the Raspberry Pi 3 device.
This enables support for the Broadcom BCM2837 and BCM2711 SoC.
These SoCs are used in the Raspberry Pi 3 and 4 devices.
config ARCH_BCM_IPROC
bool "Broadcom iProc SoC Family"