target/linux/bcm27xx/patches-5.4/950-0379-ARM-bcm-Backport-BCM2711-support-from-upstream.patch

   1 From 88dacbcd946d2e0cd06337ab3f393064ab6aba82 Mon Sep 17 00:00:00 2001
   2 From: Stefan Wahren <wahrenst@gmx.net>
   3 Date: Fri, 27 Dec 2019 11:40:56 +0100
   4 Subject: [PATCH] ARM: bcm: Backport BCM2711 support from upstream
   5
   6 Make the BCM2711 a different machine, but keep it in board_bcm2835.
   7
   8 Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
   9 ---
  10  arch/arm/mach-bcm/Kconfig         |  4 ++--
  11  arch/arm/mach-bcm/board_bcm2835.c | 17 +++++++++++++++--
  12  arch/arm64/Kconfig.platforms      |  5 +++--
  13  3 files changed, 20 insertions(+), 6 deletions(-)
  14
  15 --- a/arch/arm/mach-bcm/Kconfig
  16 +++ b/arch/arm/mach-bcm/Kconfig
  17 @@ -161,7 +161,7 @@ config ARCH_BCM2835
  18         select GPIOLIB
  19         select ARM_AMBA
  20         select ARM_ERRATA_411920 if ARCH_MULTI_V6
  21 -       select ARM_GIC
  22 +       select ARM_GIC if ARCH_MULTI_V7
  23         select ARM_TIMER_SP804
  24         select HAVE_ARM_ARCH_TIMER if ARCH_MULTI_V7
  25         select TIMER_OF
  26 @@ -175,7 +175,7 @@ config ARCH_BCM2835
  27         select ZONE_DMA if ARM_LPAE
  28         select MFD_CORE
  29         help
  30 -         This enables support for the Broadcom BCM2835 and BCM2836 SoCs.
  31 +         This enables support for the Broadcom BCM2711 and BCM283x SoCs.
  32           This SoC is used in the Raspberry Pi and Roku 2 devices.
  33
  34  config ARCH_BCM_53573
  35 --- a/arch/arm/mach-bcm/board_bcm2835.c
  36 +++ b/arch/arm/mach-bcm/board_bcm2835.c
  37 @@ -109,17 +109,30 @@ static const char * const bcm2835_compat
  38  #ifdef CONFIG_ARCH_MULTI_V7
  39         "brcm,bcm2836",
  40         "brcm,bcm2837",
  41 -       "brcm,bcm2711",
  42  #endif
  43         NULL
  44  };
  45
  46  DT_MACHINE_START(BCM2835, "BCM2835")
  47 +       .map_io = bcm2835_map_io,
  48 +       .init_machine = bcm2835_init,
  49 +       .dt_compat = bcm2835_compat,
  50 +       .smp = smp_ops(bcm2836_smp_ops),
  51 +MACHINE_END
  52 +
  53 +static const char * const bcm2711_compat[] = {
  54 +#ifdef CONFIG_ARCH_MULTI_V7
  55 +       "brcm,bcm2711",
  56 +#endif
  57 +       NULL
  58 +};
  59 +
  60 +DT_MACHINE_START(BCM2711, "BCM2711")
  61  #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
  62         .dma_zone_size  = SZ_1G,
  63  #endif
  64         .map_io = bcm2835_map_io,
  65         .init_machine = bcm2835_init,
  66 -       .dt_compat = bcm2835_compat,
  67 +       .dt_compat = bcm2711_compat,
  68         .smp = smp_ops(bcm2836_smp_ops),
  69  MACHINE_END
  70 --- a/arch/arm64/Kconfig.platforms
  71 +++ b/arch/arm64/Kconfig.platforms
  72 @@ -37,11 +37,12 @@ config ARCH_BCM2835
  73         select PINCTRL
  74         select PINCTRL_BCM2835
  75         select ARM_AMBA
  76 +       select ARM_GIC
  77         select ARM_TIMER_SP804
  78         select HAVE_ARM_ARCH_TIMER
  79         help
  80 -         This enables support for the Broadcom BCM2837 SoC.
  81 -         This SoC is used in the Raspberry Pi 3 device.
  82 +         This enables support for the Broadcom BCM2837 and BCM2711 SoC.
  83 +         These SoCs are used in the Raspberry Pi 3 and 4 devices.
  84
  85  config ARCH_BCM_IPROC
  86         bool "Broadcom iProc SoC Family"