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arm: add SOC_BRCM_BCM2837 option, include it in GENERIC

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We use armv7/GENERIC for the RPI2 images. The original RPI2 is actually a
32-bit BCM2836, but v1.2 was upgraded to the 64-bit BCM2837. The project
continues to provide the RPI2 image as armv7, as it's the lowest common
denominator of the two. Historically, we've just kind of implicitly
acknowledged this by including some bcm2837 bits on a SOC_BCM2836 kernel
config -- this worked until r354875 added code that actually cared.

Acknowledge formally that BCM2837 is valid in arm32.

This name is inconsistent with the other BCM* SOC on !arm64 for two reasons:

1. It's a pre-existing option on arm64, and
2. the naming convention on arm/ should've arguably changed to include BRCM

#1 seems to be a convincing enough argument to maintain the existing name
for it.
This commit is contained in:
Kyle Evans 2019-12-17 23:01:37 +00:00
parent 284789e871
commit 850dd7e9cd
3 changed files with 4 additions and 2 deletions
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4
sys/arm/broadcom/bcm2835/bcm2835_machdep.c
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@ -139,7 +139,7 @@ FDT_PLATFORM_DEF2(bcm2835, bcm2835_legacy, "bcm2835 (legacy)", 0, "raspberrypi,m
FDT_PLATFORM_DEF2(bcm2835, bcm2835, "bcm2835", 0, "brcm,bcm2835", 100);
#endif
#ifdef SOC_BCM2836
#if defined(SOC_BCM2836) || defined(SOC_BRCM_BCM2837)
static platform_method_t bcm2836_methods[] = {
PLATFORMMETHOD(platform_devmap_init, bcm2836_devmap_init),
PLATFORMMETHOD(platform_late_init, bcm2835_late_init),
@ -155,4 +155,4 @@ static platform_method_t bcm2836_methods[] = {
FDT_PLATFORM_DEF2(bcm2836, bcm2836_legacy, "bcm2836 (legacy)", 0, "brcm,bcm2709", 100);
FDT_PLATFORM_DEF2(bcm2836, bcm2836, "bcm2836", 0, "brcm,bcm2836", 100);
FDT_PLATFORM_DEF2(bcm2836, bcm2837, "bcm2837", 0, "brcm,bcm2837", 100);
#endif
#endif /* defined(SOC_BCM2836) || defined(SOC_BRCM_BCM2837) */

1
sys/arm/conf/GENERIC
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@ -57,6 +57,7 @@ options SOC_ALLWINNER_A83T
options SOC_ALLWINNER_H2PLUS
options SOC_ALLWINNER_H3
options SOC_BCM2836
options SOC_BRCM_BCM2837
options SOC_MV_ARMADA38X
options SOC_MV_ARMADAXP
options SOC_TI_AM335X

1
sys/conf/options.arm
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@ -47,6 +47,7 @@ SOC_ALTERA_ARRIA10 opt_global.h
SOC_ALTERA_CYCLONE5 opt_global.h
SOC_BCM2835 opt_global.h
SOC_BCM2836 opt_global.h
SOC_BRCM_BCM2837 opt_global.h
SOC_IMX51 opt_global.h
SOC_IMX53 opt_global.h
SOC_IMX6 opt_global.h