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[07/14] ARM: npcm: Introduce Nuvoton WPCM450 SoC

Message ID 20210320181610.680870-8-j.neuschaefer@gmx.net
State Superseded
Headers show
Series Initial support for Nuvoton WPCM450 BMC SoC | expand

Commit Message

J. Neuschäfer March 20, 2021, 6:16 p.m. UTC 
The WPCM450 is an older BMC SoC in the Nuvoton NPCM family, originally
marketed as Winbond WPCM450.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
---
 arch/arm/mach-npcm/Kconfig   | 12 +++++++++++-
 arch/arm/mach-npcm/Makefile  |  1 +
 arch/arm/mach-npcm/wpcm450.c | 13 +++++++++++++
 3 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/mach-npcm/wpcm450.c

--
2.30.2
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Patch

diff --git a/arch/arm/mach-npcm/Kconfig b/arch/arm/mach-npcm/Kconfig
index 7f7002dc2b21f..658c8efb4ca14 100644
--- a/arch/arm/mach-npcm/Kconfig
+++ b/arch/arm/mach-npcm/Kconfig
@@ -1,11 +1,21 @@ 
 # SPDX-License-Identifier: GPL-2.0-only
 menuconfig ARCH_NPCM
 	bool "Nuvoton NPCM Architecture"
-	depends on ARCH_MULTI_V7
+	depends on ARCH_MULTI_V5 || ARCH_MULTI_V7
 	select PINCTRL

 if ARCH_NPCM

+config ARCH_WPCM450
+	bool "Support for WPCM450 BMC (Hermon)"
+	depends on ARCH_MULTI_V5
+	select CPU_ARM926T
+	select NPCM7XX_TIMER
+	help
+	  General support for WPCM450 BMC (Hermon).
+
+	  Winbond/Nuvoton WPCM450 BMC based on the ARM926EJ-S.
+
 config ARCH_NPCM7XX
 	bool "Support for NPCM7xx BMC (Poleg)"
 	depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-npcm/Makefile b/arch/arm/mach-npcm/Makefile
index 1bc3a70bfab8b..0a915084c8ff3 100644
--- a/arch/arm/mach-npcm/Makefile
+++ b/arch/arm/mach-npcm/Makefile
@@ -2,4 +2,5 @@ 
 AFLAGS_headsmp.o		+= -march=armv7-a

 obj-$(CONFIG_ARCH_NPCM7XX)	+= npcm7xx.o
+obj-$(CONFIG_ARCH_WPCM450)	+= wpcm450.o
 obj-$(CONFIG_SMP)		+= platsmp.o headsmp.o
diff --git a/arch/arm/mach-npcm/wpcm450.c b/arch/arm/mach-npcm/wpcm450.c
new file mode 100644
index 0000000000000..f17b3dab45af3
--- /dev/null
+++ b/arch/arm/mach-npcm/wpcm450.c
@@ -0,0 +1,13 @@ 
+// SPDX-License-Identifier: GPL-2.0
+// Copyright 2021 Jonathan Neuschäfer
+
+#include <asm/mach/arch.h>
+
+static const char *const wpcm450_dt_match[] = {
+	"nuvoton,wpcm450",
+	NULL
+};
+
+DT_MACHINE_START(WPCM450_DT, "WPCM450 chip")
+	.dt_compat	= wpcm450_dt_match,
+MACHINE_END