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authorJonathan Neuschäfer <j.neuschaefer@gmx.net>2021-04-06 14:09:16 +0200
committerJoel Stanley <joel@jms.id.au>2021-04-09 14:11:22 +0930
commitece3fe93e8f4d0c9322b8ca24a250ea9292052fb (patch)
tree551174adccaf7d8f244798a7144ad83851e33566
parent9b39efacd6c13239a58952f4e5c43c68beff9a66 (diff)
ARM: npcm: Introduce Nuvoton WPCM450 SoC
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> Reviewed-by: Joel Stanley <joel@jms.id.au> Link: https://lore.kernel.org/r/20210406120921.2484986-6-j.neuschaefer@gmx.net Signed-off-by: Joel Stanley <joel@jms.id.au>
-rw-r--r--arch/arm/mach-npcm/Kconfig12
-rw-r--r--arch/arm/mach-npcm/Makefile1
-rw-r--r--arch/arm/mach-npcm/wpcm450.c13
3 files changed, 25 insertions, 1 deletions
diff --git a/arch/arm/mach-npcm/Kconfig b/arch/arm/mach-npcm/Kconfig
index 7f7002dc2b21..658c8efb4ca1 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 1bc3a70bfab8..8d61fcd42fb1 100644
--- a/arch/arm/mach-npcm/Makefile
+++ b/arch/arm/mach-npcm/Makefile
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
AFLAGS_headsmp.o += -march=armv7-a
+obj-$(CONFIG_ARCH_WPCM450) += wpcm450.o
obj-$(CONFIG_ARCH_NPCM7XX) += npcm7xx.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 000000000000..f17b3dab45af
--- /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