Thread (30 messages) 30 messages, 5 authors, 2021-04-05
STALE1883d
Revisions (2)
  1. v1 current
  2. v2 [diff vs current]

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

From: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Date: 2021-03-20 18:21:51
Also in: linux-arm-kernel, lkml, openbmc
Subsystem: arm port, arm/nuvoton npcm architecture, arm/nuvoton wpcm450 architecture, the rest · Maintainers: Russell King, Andrew Jeffery, Avi Fishman, Tomer Maimon, Tali Perry, Jonathan Neuschäfer, Linus Torvalds

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
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help