linux-kernel - [PATCH 7/9] arm: bcmbca: Add BCMBCA sub platforms

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Message-Id: <20220705172613.21152-8-william.zhang@broadcom.com>
Date:   Tue,  5 Jul 2022 10:26:11 -0700
From:   William Zhang <william.zhang@...adcom.com>
To:     Linux ARM List <linux-arm-kernel@...ts.infradead.org>
Cc:     joel.peshkin@...adcom.com, kursad.oney@...adcom.com,
        f.fainelli@...il.com, anand.gore@...adcom.com,
        Broadcom Kernel List <bcm-kernel-feedback-list@...adcom.com>,
        philippe.reynes@...tathome.com, dan.beygelman@...adcom.com,
        William Zhang <william.zhang@...adcom.com>,
        Ray Jui <rjui@...adcom.com>,
        Russell King <linux@...linux.org.uk>,
        Scott Branden <sbranden@...adcom.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 7/9] arm: bcmbca: Add BCMBCA sub platforms

Create new CORTEXA7, CORTEXA9 and BRAHMAB15 BCMBCA sub platform configs to
enable fine-grained selection for each type of ARMv7 SoC.

Signed-off-by: William Zhang <william.zhang@...adcom.com>
---

 arch/arm/mach-bcm/Kconfig | 45 +++++++++++++++++++++++++++++++++------
 1 file changed, 39 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index 25aa4ef4db07..0cd23e549cdd 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -201,25 +201,58 @@ config ARCH_BRCMSTB
 	  This enables support for Broadcom ARM-based set-top box chipsets,
 	  including the 7445 family of chips.
 
-config ARCH_BCMBCA
+menuconfig ARCH_BCMBCA
 	bool "Broadcom Broadband SoC"
 	depends on ARCH_MULTI_V7
 	select ARM_AMBA
 	select ARM_GIC
 	select HAVE_ARM_ARCH_TIMER
-	select ARCH_HAS_RESET_CONTROLLER
+	help
+	  Say Y if you intend to run the kernel on a Broadcom Broadband ARM-based
+	  BCA chipset.
+
+	  This enables support for Broadcom BCA ARM-based broadband chipsets,
+	  including the DSL, PON and Wireless family of chips.
+
+comment "BCMBCA sub platforms"
+
+if ARCH_BCMBCA
+
+config ARCH_BCMBCA_CORTEXA7
+	bool "Cortex-A7 SoCs"
+	help
+	  Say Y if you intend to run the kernel on a Broadcom Broadband ARM A7
+	  based chipset.
+
+	  This enables support for Broadcom BCA ARM A7 broadband chipsets,
+	  including various DSL, PON and Wireless family of chips.
+
+config ARCH_BCMBCA_CORTEXA9
+	bool "Cortex-A9 SoCS"
 	select ARM_ERRATA_754322
 	select ARM_ERRATA_764369 if SMP
+	select ARCH_HAS_RESET_CONTROLLER
 	select ARM_GLOBAL_TIMER
 	select CACHE_L2X0
 	select HAVE_ARM_TWD if SMP
 	select HAVE_ARM_SCU if SMP
+	help
+	  Say Y if you intend to run the kernel on a Broadcom Broadband ARM A9
+	  based BCA chipset.
 
+	  This enables support for Broadcom BCA ARM A9 broadband chipset. Currently
+	  only DSL chip BCM63138.
+
+config ARCH_BCMBCA_BRAHMAB15
+	bool "Brahma-B15 SoCs"
+	select ARM_ERRATA_798181 if SMP
 	help
-	  Say Y if you intend to run the kernel on a Broadcom Broadband ARM-based
-	  BCA chipset.
+	  Say Y if you intend to run the kernel on a Broadcom Broadband ARM B15
+	  based BCA chipset.
 
-	  This enables support for Broadcom BCA ARM-based broadband chipsets,
-	  including the DSL, PON and Wireless family of chips.
+	  This enables support for Broadcom BCA ARM B15 broadband chipset. Currently
+	  only DSL chip BCM63148.
+
+endif
 
 endif
-- 
2.34.1


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