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

Jonathan Neuschäfer
2021-03-20T18:22:09Z

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

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
--
2.30.2