summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-ixp4xx
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-ixp4xx')
-rw-r--r--arch/arm/mach-ixp4xx/Kconfig19
-rw-r--r--arch/arm/mach-ixp4xx/Makefile2
-rw-r--r--arch/arm/mach-ixp4xx/ixp4xx-of.c22
3 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
new file mode 100644
index 0000000000..cb46802f5c
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0-only
+menuconfig ARCH_IXP4XX
+ bool "IXP4xx-based platforms"
+ depends on ARCH_MULTI_V5
+ depends on CPU_BIG_ENDIAN
+ select ARM_APPENDED_DTB # Old Redboot bootloaders deployed
+ select CPU_XSCALE
+ select GPIO_IXP4XX
+ select GPIOLIB
+ select FORCE_PCI
+ select I2C
+ select I2C_IOP3XX
+ select IXP4XX_IRQ
+ select IXP4XX_TIMER
+ select USB_EHCI_BIG_ENDIAN_DESC
+ select USB_EHCI_BIG_ENDIAN_MMIO
+ select USE_OF
+ help
+ Support for Intel's IXP4XX (XScale) family of processors.
diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile
new file mode 100644
index 0000000000..3d1c9d854c
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-y += ixp4xx-of.o
diff --git a/arch/arm/mach-ixp4xx/ixp4xx-of.c b/arch/arm/mach-ixp4xx/ixp4xx-of.c
new file mode 100644
index 0000000000..1b4d84a5b0
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/ixp4xx-of.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * IXP4xx Device Tree boot support
+ */
+#include <asm/mach/arch.h>
+
+/*
+ * We handle 4 different SoC families. These compatible strings are enough
+ * to provide the core so that different boards can add their more detailed
+ * specifics.
+ */
+static const char *ixp4xx_of_board_compat[] = {
+ "intel,ixp42x",
+ "intel,ixp43x",
+ "intel,ixp45x",
+ "intel,ixp46x",
+ NULL,
+};
+
+DT_MACHINE_START(IXP4XX_DT, "IXP4xx (Device Tree)")
+ .dt_compat = ixp4xx_of_board_compat,
+MACHINE_END