oxnas: reboot target

Reboot the oxnas target based on Linux 4.14 by rebasing our support on
top of the now-existing upstream kernel support.
This commit brings oxnas support to the level of v4.17 having upstream
drivers for Ethernet, Serial and NAND flash.
Botch up OpenWrt's local drivers for EHCI, SATA and PCIe based on the
new platform code and device-tree.
Re-introduce base-files from old oxnas target which works for now but
needs further clean-up towards generic board support.

Functional issues:
 * PCIe won't come up (hence no USB3 on Shuttle KD20)
 * I2C bus of Akitio myCloud device is likely not to work (missing
   debounce support in new pinctrl driver)

Code-style issues:
 * plla/pllb needs further cleanup -- currently their users are writing
   into the syscon regmap after acquireling the clk instead of using
   defined clk_*_*() functions to setup multipliers and dividors.
 * PCIe phy needs its own little driver.
 * SATA driver is a monster and should be split into an mfd having
   a raidctrl regmap, sata controller, sata ports and sata phy.

Tested on MitraStar STG-212 aka. Medion Akoya MD86xxx and Shuttle KD20.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(squash-picked commit 17511a7ea8 and commit dcc34574ef from master)

1 files changed, 0 insertions, 71 deletions

diff --git a/target/linux/oxnas/patches-4.4/300-introduce-oxnas-platform.patch b/target/linux/oxnas/patches-4.4/300-introduce-oxnas-platform.patch
deleted file mode 100644
index a88d5d94b5..0000000000
--- a/target/linux/oxnas/patches-4.4/300-introduce-oxnas-platform.patch
+++ /dev/null
@@ -1,71 +0,0 @@
---- a/arch/arm/Kconfig
-+++ b/arch/arm/Kconfig
-@@ -603,6 +603,19 @@ config ARCH_LPC32XX
- 	help
- 	  Support for the NXP LPC32XX family of processors
- 
-+config ARCH_OXNAS
-+	bool "Oxford Semiconductor 815/820/825 NAS SoC"
-+	select ARM_GIC
-+	select ARCH_REQUIRE_GPIOLIB
-+	select CLKDEV_LOOKUP
-+	select GENERIC_CLOCKEVENTS
-+	select COMMON_CLK
-+	select MIGHT_HAVE_PCI
-+	select ARCH_HAS_RESET_CONTROLLER
-+	help
-+		This enables support for Oxford 815/820/825 NAS SoC
-+		later renamed to PLXTECH NAS782x.
-+
- config ARCH_PXA
- 	bool "PXA2xx/PXA3xx-based"
- 	depends on MMU
-@@ -883,6 +896,8 @@ source "arch/arm/mach-omap2/Kconfig"
- 
- source "arch/arm/mach-orion5x/Kconfig"
- 
-+source "arch/arm/mach-oxnas/Kconfig"
-+
- source "arch/arm/mach-picoxcell/Kconfig"
- 
- source "arch/arm/mach-pxa/Kconfig"
---- a/arch/arm/Makefile
-+++ b/arch/arm/Makefile
-@@ -200,6 +200,7 @@ machine-$(CONFIG_ARCH_NSPIRE)		+= nspire
- machine-$(CONFIG_ARCH_OMAP1)		+= omap1
- machine-$(CONFIG_ARCH_OMAP2PLUS)	+= omap2
- machine-$(CONFIG_ARCH_ORION5X)		+= orion5x
-+machine-$(CONFIG_ARCH_OXNAS)		+= oxnas
- machine-$(CONFIG_ARCH_PICOXCELL)	+= picoxcell
- machine-$(CONFIG_ARCH_PXA)		+= pxa
- machine-$(CONFIG_ARCH_QCOM)		+= qcom
---- a/arch/arm/boot/dts/Makefile
-+++ b/arch/arm/boot/dts/Makefile
-@@ -497,6 +497,7 @@ dtb-$(CONFIG_ARCH_ORION5X) += \
- 	orion5x-lswsgl.dtb \
- 	orion5x-maxtor-shared-storage-2.dtb \
- 	orion5x-rd88f5182-nas.dtb
-+dtb-$(CONFIG_ARCH_OXNAS) += ox820-pogoplug-pro.dtb
- dtb-$(CONFIG_ARCH_PRIMA2) += \
- 	prima2-evb.dtb
- dtb-$(CONFIG_ARCH_QCOM) += \
---- a/arch/arm/tools/mach-types
-+++ b/arch/arm/tools/mach-types
-@@ -228,6 +228,7 @@ edb9302a		MACH_EDB9302A		EDB9302A		1127
- edb9307a		MACH_EDB9307A		EDB9307A		1128
- omap_3430sdp		MACH_OMAP_3430SDP	OMAP_3430SDP		1138
- vstms			MACH_VSTMS		VSTMS			1140
-+ox820			MACH_OX820		OX820			1152
- micro9m			MACH_MICRO9M		MICRO9M			1169
- bug			MACH_BUG		BUG			1179
- at91sam9263ek		MACH_AT91SAM9263EK	AT91SAM9263EK		1202
---- a/drivers/clk/Makefile
-+++ b/drivers/clk/Makefile
-@@ -32,6 +32,7 @@ obj-$(CONFIG_ARCH_MB86S7X)		+= clk-mb86s
- obj-$(CONFIG_ARCH_MOXART)		+= clk-moxart.o
- obj-$(CONFIG_ARCH_NOMADIK)		+= clk-nomadik.o
- obj-$(CONFIG_ARCH_NSPIRE)		+= clk-nspire.o
-+obj-$(CONFIG_ARCH_OXNAS)		+= clk-oxnas.o
- obj-$(CONFIG_COMMON_CLK_PALMAS)		+= clk-palmas.o
- obj-$(CONFIG_CLK_QORIQ)			+= clk-qoriq.o
- obj-$(CONFIG_COMMON_CLK_RK808)		+= clk-rk808.o