ath79: add new OF only target for QCA MIPS silicon

This target aims to replace ar71xx mid-term. The big part that is still
missing is making the MMIO/AHB wifi work using OF. NAND and mikrotik
subtargets will follow.

Signed-off-by: John Crispin <john@phrozen.org>

1 files changed, 119 insertions, 0 deletions

diff --git a/target/linux/ath79/patches-4.14/0026-MIPS-ath79-sanitize-Kconfig-symbols.patch b/target/linux/ath79/patches-4.14/0026-MIPS-ath79-sanitize-Kconfig-symbols.patch
new file mode 100644
index 0000000000..5f41656d1b
--- /dev/null
+++ b/target/linux/ath79/patches-4.14/0026-MIPS-ath79-sanitize-Kconfig-symbols.patch
@@ -0,0 +1,119 @@
+From deda44895d289a72a235359fc21f8a62ea44dc1c Mon Sep 17 00:00:00 2001
+From: John Crispin <john@phrozen.org>
+Date: Tue, 6 Mar 2018 09:33:26 +0100
+Subject: [PATCH 26/27] MIPS: ath79: sanitize Kconfig symbols
+
+Signed-off-by: John Crispin <john@phrozen.org>
+---
+ arch/mips/Kconfig        |  2 ++
+ arch/mips/ath79/Kconfig  | 48 +++++-------------------------------------------
+ arch/mips/ath79/Makefile | 10 ----------
+ arch/mips/pci/Makefile   |  2 +-
+ 4 files changed, 8 insertions(+), 54 deletions(-)
+
+Index: linux-4.14.18/arch/mips/Kconfig
+===================================================================
+--- linux-4.14.18.orig/arch/mips/Kconfig
++++ linux-4.14.18/arch/mips/Kconfig
+@@ -203,6 +203,8 @@ config ATH79
+ 	select SYS_SUPPORTS_BIG_ENDIAN
+ 	select SYS_SUPPORTS_MIPS16
+ 	select SYS_SUPPORTS_ZBOOT_UART_PROM
++	select HW_HAS_PCI
++	select USB_ARCH_HAS_EHCI
+ 	select USE_OF
+ 	help
+ 	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.
+Index: linux-4.14.18/arch/mips/ath79/Kconfig
+===================================================================
+--- linux-4.14.18.orig/arch/mips/ath79/Kconfig
++++ linux-4.14.18/arch/mips/ath79/Kconfig
+@@ -1,52 +1,14 @@
+ # SPDX-License-Identifier: GPL-2.0
+ if ATH79
+ 
+-config SOC_AR71XX
+-	select HW_HAS_PCI
+-	def_bool n
+-
+-config SOC_AR724X
+-	select HW_HAS_PCI
+-	select PCI_AR724X if PCI
+-	def_bool n
+-
+-config SOC_AR913X
+-	def_bool n
+-
+-config SOC_AR933X
+-	def_bool n
+-
+-config SOC_AR934X
+-	select HW_HAS_PCI
+-	select PCI_AR724X if PCI
+-	def_bool n
+-
+-config SOC_QCA953X
+-	select USB_ARCH_HAS_EHCI
+-	def_bool n
+-
+-config SOC_QCA955X
+-	select HW_HAS_PCI
+-	select PCI_AR724X if PCI
++config PCI_AR71XX
++	bool "PCI support for AR7100 type SoCs"
++	depends on PCI
+ 	def_bool n
+ 
+ config PCI_AR724X
+-	def_bool n
+-
+-config ATH79_DEV_GPIO_BUTTONS
+-	def_bool n
+-
+-config ATH79_DEV_LEDS_GPIO
+-	def_bool n
+-
+-config ATH79_DEV_SPI
+-	def_bool n
+-
+-config ATH79_DEV_USB
+-	def_bool n
+-
+-config ATH79_DEV_WMAC
+-	depends on (SOC_AR913X || SOC_AR933X || SOC_AR934X || SOC_QCA953X || SOC_QCA955X || SOC_QCA956X)
++	bool "PCI support for AR724x type SoCs"
++	depends on PCI
+ 	def_bool n
+ 
+ endif
+Index: linux-4.14.18/arch/mips/ath79/Makefile
+===================================================================
+--- linux-4.14.18.orig/arch/mips/ath79/Makefile
++++ linux-4.14.18/arch/mips/ath79/Makefile
+@@ -11,13 +11,3 @@
+ obj-y	:= prom.o setup.o common.o clock.o
+ 
+ obj-$(CONFIG_EARLY_PRINTK)		+= early_printk.o
+-
+-#
+-# Devices
+-#
+-obj-y					+= dev-common.o
+-obj-$(CONFIG_ATH79_DEV_GPIO_BUTTONS)	+= dev-gpio-buttons.o
+-obj-$(CONFIG_ATH79_DEV_LEDS_GPIO)	+= dev-leds-gpio.o
+-obj-$(CONFIG_ATH79_DEV_SPI)		+= dev-spi.o
+-obj-$(CONFIG_ATH79_DEV_USB)		+= dev-usb.o
+-obj-$(CONFIG_ATH79_DEV_WMAC)		+= dev-wmac.o
+Index: linux-4.14.18/arch/mips/pci/Makefile
+===================================================================
+--- linux-4.14.18.orig/arch/mips/pci/Makefile
++++ linux-4.14.18/arch/mips/pci/Makefile
+@@ -23,7 +23,7 @@ obj-$(CONFIG_BCM63XX)		+= pci-bcm63xx.o
+ 					ops-bcm63xx.o
+ obj-$(CONFIG_MIPS_ALCHEMY)	+= pci-alchemy.o
+ obj-$(CONFIG_PCI_AR2315)	+= pci-ar2315.o
+-obj-$(CONFIG_SOC_AR71XX)	+= pci-ar71xx.o
++obj-$(CONFIG_PCI_AR71XX)	+= pci-ar71xx.o
+ obj-$(CONFIG_PCI_AR724X)	+= pci-ar724x.o
+ obj-$(CONFIG_MIPS_PCI_VIRTIO)	+= pci-virtio-guest.o
+ #