ppc44x: use the mtdsplit framework for the Taishan

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>

SVN-Revision: 44652

target/linux/ppc44x/config-3.18

@@ -11,13 +11,17 @@ CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
 CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
 CONFIG_ARCH_HAS_ILOG2_U32=y
+CONFIG_ARCH_HAS_SG_CHAIN=y
 CONFIG_ARCH_HAS_WALK_MEMORY=y
 CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y
 CONFIG_ARCH_HIBERNATION_POSSIBLE=y
 CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
+CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y
 CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
+# CONFIG_ARCH_RANDOM is not set
+CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
 CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
-CONFIG_ARCH_SUPPORTS_MSI=y
 CONFIG_ARCH_SUPPORTS_UPROBES=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_ARCH_USE_BUILTIN_BSWAP=y
@@ -51,6 +55,7 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 CONFIG_GENERIC_CMOS_UPDATE=y
+# CONFIG_GENERIC_CSUM is not set
 CONFIG_GENERIC_IO=y
 CONFIG_GENERIC_IRQ_SHOW=y
 CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
@@ -69,14 +74,16 @@ CONFIG_GPIOLIB=y
 CONFIG_GPIO_DEVRES=y
 CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
-CONFIG_HAS_IOPORT=y
+CONFIG_HAS_IOPORT_MAP=y
 # CONFIG_HAS_RAPIDIO is not set
 # CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
+CONFIG_HAVE_ARCH_AUDITSYSCALL=y
 CONFIG_HAVE_ARCH_JUMP_LABEL=y
 CONFIG_HAVE_ARCH_KGDB=y
 CONFIG_HAVE_ARCH_TRACEHOOK=y
 # CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
 CONFIG_HAVE_DEBUG_KMEMLEAK=y
+CONFIG_HAVE_DEBUG_STACKOVERFLOW=y
 CONFIG_HAVE_DMA_API_DEBUG=y
 CONFIG_HAVE_DMA_ATTRS=y
 CONFIG_HAVE_DYNAMIC_FTRACE=y
@@ -85,9 +92,9 @@ CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
 CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
 CONFIG_HAVE_FUNCTION_TRACER=y
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
-CONFIG_HAVE_GENERIC_HARDIRQS=y
 CONFIG_HAVE_IDE=y
 CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK=y
 CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 CONFIG_HAVE_MEMBLOCK=y
 CONFIG_HAVE_MEMBLOCK_NODE_MAP=y
@@ -124,6 +131,7 @@ CONFIG_IRQ_WORK=y
 CONFIG_ISA_DMA_API=y
 # CONFIG_KATMAI is not set
 CONFIG_KERNEL_START=0xc0000000
+CONFIG_LIBFDT=y
 CONFIG_LOWMEM_SIZE=0x30000000
 # CONFIG_MATH_EMULATION is not set
 # CONFIG_MMIO_NVRAM is not set
@@ -133,8 +141,8 @@ CONFIG_MODULES_USE_ELF_RELA=y
 # CONFIG_MPIC_WEIRD is not set
 CONFIG_MTD_CFI_ADV_OPTIONS=y
 # CONFIG_MTD_CFI_GEOMETRY is not set
-CONFIG_MTD_OF_PARTS=y
+CONFIG_MTD_SPLIT_FIRMWARE=y
-CONFIG_MTD_PHYSMAP_OF=y
+CONFIG_MTD_SPLIT_UIMAGE_FW=y
 CONFIG_NEED_DMA_MAP_STATE=y
 # CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK is not set
 CONFIG_NEED_PER_CPU_KM=y
@@ -144,7 +152,7 @@ CONFIG_NOT_COHERENT_CACHE=y
 CONFIG_NR_IRQS=512
 CONFIG_OF=y
 CONFIG_OF_ADDRESS=y
-CONFIG_OF_DEVICE=y
+CONFIG_OF_ADDRESS_PCI=y
 CONFIG_OF_EARLY_FLATTREE=y
 CONFIG_OF_FLATTREE=y
 CONFIG_OF_GPIO=y
@@ -153,6 +161,7 @@ CONFIG_OF_MTD=y
 CONFIG_OF_NET=y
 CONFIG_OF_PCI=y
 CONFIG_OF_PCI_IRQ=y
+CONFIG_OF_RESERVED_MEM=y
 CONFIG_OLD_SIGACTION=y
 CONFIG_OLD_SIGSUSPEND=y
 CONFIG_PAGEFLAGS_EXTENDED=y
@@ -166,10 +175,10 @@ CONFIG_PCI_MSI=y
 CONFIG_PHYSICAL_START=0x00000000
 CONFIG_PHYS_64BIT=y
 CONFIG_PHYS_ADDR_T_64BIT=y
-# CONFIG_POWERNV_MSI is not set
 CONFIG_PPC=y
 CONFIG_PPC32=y
 CONFIG_PPC44x_SIMPLE=y
+# CONFIG_PPC4xx_HSTA_MSI is not set
 CONFIG_PPC4xx_MSI=y
 # CONFIG_PPC4xx_OCM is not set
 CONFIG_PPC4xx_PCI_EXPRESS=y
@@ -186,7 +195,7 @@ CONFIG_PPC_ADV_DEBUG_REGS=y
 # CONFIG_PPC_BOOK3S_32 is not set
 # CONFIG_PPC_CELL is not set
 # CONFIG_PPC_CELL_NATIVE is not set
-# CONFIG_PPC_CLOCK is not set
+# CONFIG_PPC_COPRO_BASE is not set
 CONFIG_PPC_DCR=y
 # CONFIG_PPC_DCR_MMIO is not set
 CONFIG_PPC_DCR_NATIVE=y
@@ -209,13 +218,12 @@ CONFIG_PPC_PCI_CHOICE=y
 # CONFIG_PPC_RTAS is not set
 CONFIG_PPC_UDBG_16550=y
 CONFIG_PPC_WERROR=y
-# CONFIG_PPC_WSP is not set
 # CONFIG_PPC_XICS is not set
 # CONFIG_PQ2ADS is not set
 # CONFIG_PREEMPT_RCU is not set
-CONFIG_PROC_DEVICETREE=y
 CONFIG_PTE_64BIT=y
 # CONFIG_RAINIER is not set
+CONFIG_RAS=y
 # CONFIG_RCU_STALL_COMMON is not set
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 # CONFIG_SAM440EP is not set
@@ -232,8 +240,6 @@ CONFIG_SYSCTL_EXCEPTION_TRACE=y
 CONFIG_TAISHAN=y
 CONFIG_TASK_SIZE=0xc0000000
 CONFIG_TICK_CPU_ACCOUNTING=y
-CONFIG_UIDGID_CONVERTED=y
-CONFIG_USB_ARCH_HAS_XHCI=y
 CONFIG_USB_SUPPORT=y
 # CONFIG_WARP is not set
 CONFIG_WORD_SIZE=32

target/linux/ppc44x/image/Makefile

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2007-2010 OpenWrt.org
+# Copyright (C) 2007-2015 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -31,7 +31,7 @@ endef
 define Image/Build/squashfs
 	$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
 	( \
-		dd if=$(KDIR)/cuImage.taishan bs=2048k conv=sync; \
+		dd if=$(KDIR)/cuImage.taishan bs=256k conv=sync; \
 		dd if=$(KDIR)/root.$(1) bs=256k conv=sync; \
 	) > $(BIN_DIR)/$(IMG_PREFIX)-taishan-$(1).img
 	( \

target/linux/ppc44x/patches-3.18/100-openwrt_flashmap.patch

@@ -1,19 +1,18 @@
 --- a/arch/powerpc/boot/dts/taishan.dts
 +++ b/arch/powerpc/boot/dts/taishan.dts
-@@ -195,15 +195,15 @@
+@@ -194,16 +194,12 @@
+ 					#address-cells = <1>;
  					#size-cells = <1>;
  					partition@0 {
- 						label = "kernel";
+-						label = "kernel";
 -						reg = <0x0 0x180000>;
-+						reg = <0x0 0x200000>;
++						label = "firmware";
++						reg = <0x0 0x3e00000>;
  					};
 -					partition@180000 {
 -						label = "root";
 -						reg = <0x180000 0x200000>;
-+					partition@200000 {
+-					};
-+						label = "rootfs";
-+						reg = <0x200000 0x3c00000>;
- 					};
 -					partition@380000 {
 -						label = "user";
 -						reg = <0x380000 0x3bc0000>;

target/linux/ppc44x/patches-3.18/110-openwrt_dts_cmdline.patch

@@ -1,9 +1,9 @@
 --- a/arch/powerpc/boot/dts/taishan.dts
 +++ b/arch/powerpc/boot/dts/taishan.dts
-@@ -423,5 +423,6 @@
+@@ -419,5 +419,6 @@
  
  	chosen {
  		linux,stdout-path = "/plb/opb/serial@40000300";
-+		bootargs = "console=ttyS1,115200 root=/dev/mtdblock1 rootfstype=squashfs noinitrd";
++		bootargs = "rootfstype=squashfs noinitrd";
  	};
  };