arm: Add support for Actions Semi OWL SoC family

This commit adds Actions Semi OWL SoC family support with S900 as the
first target SoC.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 00b28480b4091ad2679dc6948311d81ca8488b6d..46882bd762a5418fd79ec30adefd7bdfaa3e5616 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -708,6 +708,13 @@ config ARCH_MX5
        select BOARD_EARLY_INIT_F
        imply MXC_GPIO
 
+config ARCH_OWL
+       bool "Actions Semi OWL SoCs"
+       select ARM64
+       select DM
+       select DM_SERIAL
+       select OF_CONTROL
+
 config ARCH_QEMU
        bool "QEMU Virtual Platform"
        select DM
@@ -1357,6 +1364,8 @@ source "arch/arm/cpu/armv8/fsl-layerscape/Kconfig"
 
 source "arch/arm/mach-orion5x/Kconfig"
 
+source "arch/arm/mach-owl/Kconfig"
+
 source "arch/arm/mach-rmobile/Kconfig"
 
 source "arch/arm/mach-meson/Kconfig"

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 680c6e8516dcd2fac29b09ea9e222be06fb248c7..f15b2287dffab772ee6a42751bd09e043956e2ab 100644 (file)
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -66,6 +66,7 @@ machine-$(CONFIG_ARCH_MVEBU)          += mvebu
 # TODO: rename CONFIG_ORION5X -> CONFIG_ARCH_ORION5X
 machine-$(CONFIG_ORION5X)              += orion5x
 machine-$(CONFIG_ARCH_OMAP2PLUS)       += omap2
+machine-$(CONFIG_ARCH_OWL)             += owl
 machine-$(CONFIG_ARCH_S5PC1XX)         += s5pc1xx
 machine-$(CONFIG_ARCH_SUNXI)           += sunxi
 machine-$(CONFIG_ARCH_SNAPDRAGON)      += snapdragon

diff --git a/arch/arm/dts/s900.dtsi b/arch/arm/dts/s900.dtsi
new file mode 100644 (file)
index 0000000..3bd14b8
--- /dev/null
+++ b/arch/arm/dts/s900.dtsi
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Device Tree Source for Actions Semi S900 SoC
+//
+// Copyright (C) 2015 Actions Semi Co., Ltd.
+// Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+/dts-v1/;
+
+/ {
+       compatible = "actions,s900";
+       #address-cells = <0x2>;
+       #size-cells = <0x2>;
+
+       soc {
+               u-boot,dm-pre-reloc;
+               compatible = "simple-bus";
+               #address-cells = <0x2>;
+               #size-cells = <0x2>;
+               ranges;
+       };
+};
+

diff --git a/arch/arm/mach-owl/Kconfig b/arch/arm/mach-owl/Kconfig
new file mode 100644 (file)
index 0000000..f695c16
--- /dev/null
+++ b/arch/arm/mach-owl/Kconfig
@@ -0,0 +1,6 @@
+if ARCH_OWL
+
+config SYS_SOC
+       default "owl"
+
+endif

diff --git a/arch/arm/mach-owl/Makefile b/arch/arm/mach-owl/Makefile
new file mode 100644 (file)
index 0000000..1b43dc2
--- /dev/null
+++ b/arch/arm/mach-owl/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier:     GPL-2.0+
+
+obj-y += sysmap-s900.o

diff --git a/arch/arm/mach-owl/sysmap-s900.c b/arch/arm/mach-owl/sysmap-s900.c
new file mode 100644 (file)
index 0000000..f78b639
--- /dev/null
+++ b/arch/arm/mach-owl/sysmap-s900.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Actions Semi S900 Memory map
+ *
+ * Copyright (C) 2015 Actions Semi Co., Ltd.
+ * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ */
+
+#include <common.h>
+#include <asm/armv8/mmu.h>
+
+static struct mm_region s900_mem_map[] = {
+       {
+               .virt = 0x0UL, /* DDR */
+               .phys = 0x0UL, /* DDR */
+               .size = 0x80000000UL,
+               .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+                        PTE_BLOCK_INNER_SHARE
+       }, {
+               .virt = 0xE0000000UL, /* Peripheral block */
+               .phys = 0xE0000000UL, /* Peripheral block */
+               .size = 0x08000000UL,
+               .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+                        PTE_BLOCK_NON_SHARE |
+                        PTE_BLOCK_PXN | PTE_BLOCK_UXN
+       }, {
+               /* List terminator */
+               0,
+       }
+};
+
+struct mm_region *mem_map = s900_mem_map;