ath25: add kernel 4.14 support
Copy and refresh patches and config from 4.9, no more work is need. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
This commit is contained in:
		
				
					committed by
					
						
						John Crispin
					
				
			
			
				
	
			
			
			
						parent
						
							9c0ddafd46
						
					
				
				
					commit
					3d69857ac1
				
			
							
								
								
									
										171
									
								
								target/linux/ath25/config-4.14
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										171
									
								
								target/linux/ath25/config-4.14
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,171 @@
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CONFIG_ADM6996_PHY=y
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CONFIG_AR2315_WDT=y
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CONFIG_AR8216_PHY=y
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CONFIG_ARCH_BINFMT_ELF_STATE=y
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CONFIG_ARCH_CLOCKSOURCE_DATA=y
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CONFIG_ARCH_DISCARD_MEMBLOCK=y
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CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
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# CONFIG_ARCH_HAS_GCOV_PROFILE_ALL is not set
 | 
			
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# CONFIG_ARCH_HAS_SG_CHAIN is not set
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# CONFIG_ARCH_HAS_STRICT_KERNEL_RWX is not set
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# CONFIG_ARCH_HAS_STRICT_MODULE_RWX is not set
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CONFIG_ARCH_HIBERNATION_POSSIBLE=y
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CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
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CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y
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CONFIG_ARCH_MMAP_RND_BITS_MAX=15
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CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=15
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# CONFIG_ARCH_OPTIONAL_KERNEL_RWX is not set
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# CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT is not set
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CONFIG_ARCH_SUPPORTS_UPROBES=y
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CONFIG_ARCH_SUSPEND_POSSIBLE=y
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CONFIG_ARCH_USE_BUILTIN_BSWAP=y
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CONFIG_ARCH_USE_QUEUED_RWLOCKS=y
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CONFIG_ARCH_USE_QUEUED_SPINLOCKS=y
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CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
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CONFIG_ATH25=y
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CONFIG_BLK_MQ_PCI=y
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CONFIG_CEVT_R4K=y
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CONFIG_CLONE_BACKWARDS=y
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CONFIG_CMDLINE="console=ttyS0,9600 rootfstype=squashfs,jffs2"
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CONFIG_CMDLINE_BOOL=y
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# CONFIG_CMDLINE_OVERRIDE is not set
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CONFIG_CPU_BIG_ENDIAN=y
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CONFIG_CPU_GENERIC_DUMP_TLB=y
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CONFIG_CPU_HAS_PREFETCH=y
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CONFIG_CPU_HAS_SYNC=y
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CONFIG_CPU_MIPS32=y
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CONFIG_CPU_MIPS32_R1=y
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CONFIG_CPU_MIPSR1=y
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CONFIG_CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS=y
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CONFIG_CPU_R4K_CACHE_TLB=y
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CONFIG_CPU_R4K_FPU=y
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CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
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CONFIG_CPU_SUPPORTS_HIGHMEM=y
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CONFIG_CRYPTO_RNG2=y
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CONFIG_CRYPTO_WORKQUEUE=y
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CONFIG_CSRC_R4K=y
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CONFIG_DMA_NONCOHERENT=y
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CONFIG_EARLY_PRINTK=y
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CONFIG_ETHERNET_PACKET_MANGLE=y
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CONFIG_GENERIC_ATOMIC64=y
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CONFIG_GENERIC_CLOCKEVENTS=y
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CONFIG_GENERIC_CMOS_UPDATE=y
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CONFIG_GENERIC_CPU_AUTOPROBE=y
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CONFIG_GENERIC_IO=y
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CONFIG_GENERIC_IRQ_CHIP=y
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CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK=y
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CONFIG_GENERIC_IRQ_SHOW=y
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CONFIG_GENERIC_PCI_IOMAP=y
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CONFIG_GENERIC_SCHED_CLOCK=y
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CONFIG_GENERIC_SMP_IDLE_THREAD=y
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CONFIG_GENERIC_TIME_VSYSCALL=y
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CONFIG_GPIOLIB=y
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CONFIG_GPIO_AR2315=y
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CONFIG_GPIO_AR5312=y
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CONFIG_GPIO_SYSFS=y
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# CONFIG_GRO_CELLS is not set
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CONFIG_HANDLE_DOMAIN_IRQ=y
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CONFIG_HARDWARE_WATCHPOINTS=y
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CONFIG_HAS_DMA=y
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CONFIG_HAS_IOMEM=y
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CONFIG_HAS_IOPORT_MAP=y
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# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
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# CONFIG_HAVE_ARCH_BITREVERSE is not set
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CONFIG_HAVE_ARCH_JUMP_LABEL=y
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CONFIG_HAVE_ARCH_KGDB=y
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CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
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CONFIG_HAVE_ARCH_TRACEHOOK=y
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# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
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CONFIG_HAVE_CBPF_JIT=y
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CONFIG_HAVE_CC_STACKPROTECTOR=y
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CONFIG_HAVE_CONTEXT_TRACKING=y
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CONFIG_HAVE_COPY_THREAD_TLS=y
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CONFIG_HAVE_C_RECORDMCOUNT=y
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CONFIG_HAVE_DEBUG_KMEMLEAK=y
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CONFIG_HAVE_DEBUG_STACKOVERFLOW=y
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CONFIG_HAVE_DMA_API_DEBUG=y
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CONFIG_HAVE_DMA_CONTIGUOUS=y
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CONFIG_HAVE_DYNAMIC_FTRACE=y
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CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
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CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
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CONFIG_HAVE_FUNCTION_TRACER=y
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CONFIG_HAVE_GENERIC_DMA_COHERENT=y
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CONFIG_HAVE_IDE=y
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CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK=y
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CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
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CONFIG_HAVE_LATENCYTOP_SUPPORT=y
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CONFIG_HAVE_MEMBLOCK=y
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CONFIG_HAVE_MEMBLOCK_NODE_MAP=y
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CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
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CONFIG_HAVE_NET_DSA=y
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CONFIG_HAVE_OPROFILE=y
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CONFIG_HAVE_PERF_EVENTS=y
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CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
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CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
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CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
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CONFIG_HW_HAS_PCI=y
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CONFIG_HW_RANDOM=y
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CONFIG_HZ_PERIODIC=y
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CONFIG_INITRAMFS_SOURCE=""
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CONFIG_IP17XX_PHY=y
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CONFIG_IRQ_DOMAIN=y
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CONFIG_IRQ_FORCED_THREADING=y
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CONFIG_IRQ_MIPS_CPU=y
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CONFIG_IRQ_WORK=y
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CONFIG_LEDS_GPIO=y
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CONFIG_MDIO_BUS=y
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CONFIG_MDIO_DEVICE=y
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CONFIG_MIPS=y
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CONFIG_MIPS_ASID_BITS=8
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CONFIG_MIPS_ASID_SHIFT=0
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CONFIG_MIPS_CLOCK_VSYSCALL=y
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# CONFIG_MIPS_CMDLINE_BUILTIN_EXTEND is not set
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CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER=y
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# CONFIG_MIPS_HUGE_TLB_SUPPORT is not set
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CONFIG_MIPS_L1_CACHE_SHIFT=5
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# CONFIG_MIPS_MACHINE is not set
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CONFIG_MODULES_USE_ELF_REL=y
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CONFIG_MTD_AR2315=y
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CONFIG_MTD_CFI_ADV_OPTIONS=y
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# CONFIG_MTD_CFI_GEOMETRY is not set
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# CONFIG_MTD_CFI_INTELEXT is not set
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CONFIG_MTD_MYLOADER_PARTS=y
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CONFIG_MTD_PHYSMAP=y
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CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-3
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CONFIG_MTD_REDBOOT_PARTS=y
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CONFIG_MVSWITCH_PHY=y
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CONFIG_NEED_DMA_MAP_STATE=y
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CONFIG_NEED_PER_CPU_KM=y
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CONFIG_NET_AR231X=y
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CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y
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# CONFIG_NO_IOPORT_MAP is not set
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# CONFIG_OF is not set
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CONFIG_PCI=y
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CONFIG_PCI_AR2315=y
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CONFIG_PCI_DISABLE_COMMON_QUIRKS=y
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CONFIG_PCI_DOMAINS=y
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CONFIG_PCI_DRIVERS_LEGACY=y
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CONFIG_PERF_USE_VMALLOC=y
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CONFIG_PGTABLE_LEVELS=2
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CONFIG_PHYLIB=y
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# CONFIG_RCU_NEED_SEGCBLIST is not set
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# CONFIG_RCU_STALL_COMMON is not set
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# CONFIG_SCHED_INFO is not set
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# CONFIG_SCSI_DMA is not set
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# CONFIG_SERIAL_8250_FSL is not set
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CONFIG_SERIAL_8250_NR_UARTS=1
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CONFIG_SERIAL_8250_RUNTIME_UARTS=1
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CONFIG_SOC_AR2315=y
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CONFIG_SOC_AR5312=y
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CONFIG_SRCU=y
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# CONFIG_SWAP is not set
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CONFIG_SWCONFIG=y
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CONFIG_SYSCTL_EXCEPTION_TRACE=y
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CONFIG_SYS_HAS_CPU_MIPS32_R1=y
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CONFIG_SYS_HAS_EARLY_PRINTK=y
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CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
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CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
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CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y
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CONFIG_TICK_CPU_ACCOUNTING=y
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CONFIG_TINY_SRCU=y
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CONFIG_USB_SUPPORT=y
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		||||
							
								
								
									
										212
									
								
								target/linux/ath25/patches-4.14/107-ar5312_gpio.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										212
									
								
								target/linux/ath25/patches-4.14/107-ar5312_gpio.patch
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,212 @@
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--- a/arch/mips/ath25/Kconfig
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+++ b/arch/mips/ath25/Kconfig
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@@ -2,6 +2,7 @@
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 config SOC_AR5312
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 	bool "Atheros AR5312/AR2312+ SoC support"
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 	depends on ATH25
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+	select GPIO_AR5312
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 	default y
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 config SOC_AR2315
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--- a/arch/mips/ath25/ar5312.c
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+++ b/arch/mips/ath25/ar5312.c
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@@ -22,6 +22,7 @@
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 #include <linux/platform_device.h>
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 #include <linux/mtd/physmap.h>
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 #include <linux/reboot.h>
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+#include <linux/gpio.h>
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 #include <asm/bootinfo.h>
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 #include <asm/reboot.h>
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 #include <asm/time.h>
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@@ -180,6 +181,22 @@ static struct platform_device ar5312_phy
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 	.num_resources = 1,
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 };
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+static struct resource ar5312_gpio_res[] = {
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+	{
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+		.name = "ar5312-gpio",
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+		.flags = IORESOURCE_MEM,
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+		.start = AR5312_GPIO_BASE,
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+		.end = AR5312_GPIO_BASE + AR5312_GPIO_SIZE - 1,
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+	},
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+};
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+
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+static struct platform_device ar5312_gpio = {
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+	.name = "ar5312-gpio",
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+	.id = -1,
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+	.resource = ar5312_gpio_res,
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+	.num_resources = ARRAY_SIZE(ar5312_gpio_res),
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+};
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+
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 static void __init ar5312_flash_init(void)
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 {
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 	void __iomem *flashctl_base;
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@@ -247,6 +264,8 @@ void __init ar5312_init_devices(void)
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 	platform_device_register(&ar5312_physmap_flash);
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+	platform_device_register(&ar5312_gpio);
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+
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 	switch (ath25_soc) {
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 	case ATH25_SOC_AR5312:
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 		if (!ath25_board.radio)
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--- a/drivers/gpio/Kconfig
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+++ b/drivers/gpio/Kconfig
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@@ -105,6 +105,13 @@ config GPIO_AMDPT
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 	  driver for GPIO functionality on Promontory IOHub
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 	  Require ACPI ASL code to enumerate as a platform device.
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+config GPIO_AR5312
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+	bool "AR5312 SoC GPIO support"
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+	default y if SOC_AR5312
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+	depends on SOC_AR5312
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+	help
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+	  Say yes here to enable GPIO support for Atheros AR5312/AR2312+ SoCs.
 | 
			
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+
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 config GPIO_ASPEED
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 	tristate "Aspeed GPIO support"
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 	depends on (ARCH_ASPEED || COMPILE_TEST) && OF_GPIO
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--- a/drivers/gpio/Makefile
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+++ b/drivers/gpio/Makefile
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@@ -29,6 +29,7 @@ obj-$(CONFIG_GPIO_ALTERA)  	+= gpio-alte
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 obj-$(CONFIG_GPIO_ALTERA_A10SR)	+= gpio-altera-a10sr.o
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 obj-$(CONFIG_GPIO_AMD8111)	+= gpio-amd8111.o
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 obj-$(CONFIG_GPIO_AMDPT)	+= gpio-amdpt.o
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+obj-$(CONFIG_GPIO_AR5312)	+= gpio-ar5312.o
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 obj-$(CONFIG_GPIO_ARIZONA)	+= gpio-arizona.o
 | 
			
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 obj-$(CONFIG_GPIO_ATH79)	+= gpio-ath79.o
 | 
			
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 obj-$(CONFIG_GPIO_ASPEED)	+= gpio-aspeed.o
 | 
			
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--- /dev/null
 | 
			
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+++ b/drivers/gpio/gpio-ar5312.c
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@@ -0,0 +1,121 @@
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+/*
 | 
			
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+ * This file is subject to the terms and conditions of the GNU General Public
 | 
			
		||||
+ * License.  See the file "COPYING" in the main directory of this archive
 | 
			
		||||
+ * for more details.
 | 
			
		||||
+ *
 | 
			
		||||
+ * Copyright (C) 2003 Atheros Communications, Inc.,  All Rights Reserved.
 | 
			
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+ * Copyright (C) 2006 FON Technology, SL.
 | 
			
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+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
 | 
			
		||||
+ * Copyright (C) 2006-2009 Felix Fietkau <nbd@nbd.name>
 | 
			
		||||
+ * Copyright (C) 2012 Alexandros C. Couloumbis <alex@ozo.com>
 | 
			
		||||
+ */
 | 
			
		||||
+
 | 
			
		||||
+#include <linux/kernel.h>
 | 
			
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+#include <linux/init.h>
 | 
			
		||||
+#include <linux/platform_device.h>
 | 
			
		||||
+#include <linux/gpio.h>
 | 
			
		||||
+
 | 
			
		||||
+#define DRIVER_NAME	"ar5312-gpio"
 | 
			
		||||
+
 | 
			
		||||
+#define AR5312_GPIO_DO		0x00		/* output register */
 | 
			
		||||
+#define AR5312_GPIO_DI		0x04		/* intput register */
 | 
			
		||||
+#define AR5312_GPIO_CR		0x08		/* control register */
 | 
			
		||||
+
 | 
			
		||||
+#define AR5312_GPIO_CR_M(x)	(1 << (x))	/* mask for i/o */
 | 
			
		||||
+#define AR5312_GPIO_CR_O(x)	(0 << (x))	/* mask for output */
 | 
			
		||||
+#define AR5312_GPIO_CR_I(x)	(1 << (x))	/* mask for input */
 | 
			
		||||
+#define AR5312_GPIO_CR_INT(x)	(1 << ((x)+8))	/* mask for interrupt */
 | 
			
		||||
+#define AR5312_GPIO_CR_UART(x)	(1 << ((x)+16))	/* uart multiplex */
 | 
			
		||||
+
 | 
			
		||||
+#define AR5312_GPIO_NUM		8
 | 
			
		||||
+
 | 
			
		||||
+static void __iomem *ar5312_mem;
 | 
			
		||||
+
 | 
			
		||||
+static inline u32 ar5312_gpio_reg_read(unsigned reg)
 | 
			
		||||
+{
 | 
			
		||||
+	return __raw_readl(ar5312_mem + reg);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static inline void ar5312_gpio_reg_write(unsigned reg, u32 val)
 | 
			
		||||
+{
 | 
			
		||||
+	__raw_writel(val, ar5312_mem + reg);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static inline void ar5312_gpio_reg_mask(unsigned reg, u32 mask, u32 val)
 | 
			
		||||
+{
 | 
			
		||||
+	ar5312_gpio_reg_write(reg, (ar5312_gpio_reg_read(reg) & ~mask) | val);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int ar5312_gpio_get_val(struct gpio_chip *chip, unsigned gpio)
 | 
			
		||||
+{
 | 
			
		||||
+	return (ar5312_gpio_reg_read(AR5312_GPIO_DI) >> gpio) & 1;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static void ar5312_gpio_set_val(struct gpio_chip *chip, unsigned gpio, int val)
 | 
			
		||||
+{
 | 
			
		||||
+	u32 reg = ar5312_gpio_reg_read(AR5312_GPIO_DO);
 | 
			
		||||
+
 | 
			
		||||
+	reg = val ? reg | (1 << gpio) : reg & ~(1 << gpio);
 | 
			
		||||
+	ar5312_gpio_reg_write(AR5312_GPIO_DO, reg);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int ar5312_gpio_dir_in(struct gpio_chip *chip, unsigned gpio)
 | 
			
		||||
+{
 | 
			
		||||
+	ar5312_gpio_reg_mask(AR5312_GPIO_CR, 0, 1 << gpio);
 | 
			
		||||
+	return 0;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int ar5312_gpio_dir_out(struct gpio_chip *chip, unsigned gpio, int val)
 | 
			
		||||
+{
 | 
			
		||||
+	ar5312_gpio_reg_mask(AR5312_GPIO_CR, 1 << gpio, 0);
 | 
			
		||||
+	ar5312_gpio_set_val(chip, gpio, val);
 | 
			
		||||
+	return 0;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static struct gpio_chip ar5312_gpio_chip = {
 | 
			
		||||
+	.label			= DRIVER_NAME,
 | 
			
		||||
+	.direction_input	= ar5312_gpio_dir_in,
 | 
			
		||||
+	.direction_output	= ar5312_gpio_dir_out,
 | 
			
		||||
+	.set			= ar5312_gpio_set_val,
 | 
			
		||||
+	.get			= ar5312_gpio_get_val,
 | 
			
		||||
+	.base			= 0,
 | 
			
		||||
+	.ngpio			= AR5312_GPIO_NUM,
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static int ar5312_gpio_probe(struct platform_device *pdev)
 | 
			
		||||
+{
 | 
			
		||||
+	struct device *dev = &pdev->dev;
 | 
			
		||||
+	struct resource *res;
 | 
			
		||||
+	int ret;
 | 
			
		||||
+
 | 
			
		||||
+	if (ar5312_mem)
 | 
			
		||||
+		return -EBUSY;
 | 
			
		||||
+
 | 
			
		||||
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 | 
			
		||||
+	ar5312_mem = devm_ioremap_resource(dev, res);
 | 
			
		||||
+	if (IS_ERR(ar5312_mem))
 | 
			
		||||
+		return PTR_ERR(ar5312_mem);
 | 
			
		||||
+
 | 
			
		||||
+	ar5312_gpio_chip.parent = dev;
 | 
			
		||||
+	ret = gpiochip_add(&ar5312_gpio_chip);
 | 
			
		||||
+	if (ret) {
 | 
			
		||||
+		dev_err(dev, "failed to add gpiochip\n");
 | 
			
		||||
+		return ret;
 | 
			
		||||
+	}
 | 
			
		||||
+
 | 
			
		||||
+	return 0;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static struct platform_driver ar5312_gpio_driver = {
 | 
			
		||||
+	.probe = ar5312_gpio_probe,
 | 
			
		||||
+	.driver = {
 | 
			
		||||
+		.name = DRIVER_NAME,
 | 
			
		||||
+		.owner = THIS_MODULE,
 | 
			
		||||
+	}
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static int __init ar5312_gpio_init(void)
 | 
			
		||||
+{
 | 
			
		||||
+	return platform_driver_register(&ar5312_gpio_driver);
 | 
			
		||||
+}
 | 
			
		||||
+subsys_initcall(ar5312_gpio_init);
 | 
			
		||||
--- a/arch/mips/Kconfig
 | 
			
		||||
+++ b/arch/mips/Kconfig
 | 
			
		||||
@@ -174,6 +174,7 @@ config ATH25
 | 
			
		||||
 	select CEVT_R4K
 | 
			
		||||
 	select CSRC_R4K
 | 
			
		||||
 	select DMA_NONCOHERENT
 | 
			
		||||
+	select GPIOLIB
 | 
			
		||||
 	select IRQ_MIPS_CPU
 | 
			
		||||
 	select IRQ_DOMAIN
 | 
			
		||||
 	select SYS_HAS_CPU_MIPS32_R1
 | 
			
		||||
							
								
								
									
										363
									
								
								target/linux/ath25/patches-4.14/108-ar2315_gpio.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										363
									
								
								target/linux/ath25/patches-4.14/108-ar2315_gpio.patch
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,363 @@
 | 
			
		||||
--- a/arch/mips/ath25/Kconfig
 | 
			
		||||
+++ b/arch/mips/ath25/Kconfig
 | 
			
		||||
@@ -8,6 +8,7 @@ config SOC_AR5312
 | 
			
		||||
 config SOC_AR2315
 | 
			
		||||
 	bool "Atheros AR2315+ SoC support"
 | 
			
		||||
 	depends on ATH25
 | 
			
		||||
+	select GPIO_AR2315
 | 
			
		||||
 	default y
 | 
			
		||||
 
 | 
			
		||||
 config PCI_AR2315
 | 
			
		||||
--- a/arch/mips/ath25/ar2315.c
 | 
			
		||||
+++ b/arch/mips/ath25/ar2315.c
 | 
			
		||||
@@ -21,6 +21,8 @@
 | 
			
		||||
 #include <linux/interrupt.h>
 | 
			
		||||
 #include <linux/platform_device.h>
 | 
			
		||||
 #include <linux/reboot.h>
 | 
			
		||||
+#include <linux/delay.h>
 | 
			
		||||
+#include <linux/gpio.h>
 | 
			
		||||
 #include <asm/bootinfo.h>
 | 
			
		||||
 #include <asm/reboot.h>
 | 
			
		||||
 #include <asm/time.h>
 | 
			
		||||
@@ -167,11 +169,42 @@ void __init ar2315_arch_init_irq(void)
 | 
			
		||||
 	ar2315_misc_irq_domain = domain;
 | 
			
		||||
 }
 | 
			
		||||
 
 | 
			
		||||
+static struct resource ar2315_gpio_res[] = {
 | 
			
		||||
+	{
 | 
			
		||||
+		.name = "ar2315-gpio",
 | 
			
		||||
+		.flags = IORESOURCE_MEM,
 | 
			
		||||
+		.start = AR2315_RST_BASE + AR2315_GPIO,
 | 
			
		||||
+		.end = AR2315_RST_BASE + AR2315_GPIO + 0x10 - 1,
 | 
			
		||||
+	},
 | 
			
		||||
+	{
 | 
			
		||||
+		.name = "ar2315-gpio",
 | 
			
		||||
+		.flags = IORESOURCE_IRQ,
 | 
			
		||||
+	},
 | 
			
		||||
+	{
 | 
			
		||||
+		.name = "ar2315-gpio-irq-base",
 | 
			
		||||
+		.flags = IORESOURCE_IRQ,
 | 
			
		||||
+		.start = AR231X_GPIO_IRQ_BASE,
 | 
			
		||||
+		.end = AR231X_GPIO_IRQ_BASE,
 | 
			
		||||
+	}
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static struct platform_device ar2315_gpio = {
 | 
			
		||||
+	.id = -1,
 | 
			
		||||
+	.name = "ar2315-gpio",
 | 
			
		||||
+	.resource = ar2315_gpio_res,
 | 
			
		||||
+	.num_resources = ARRAY_SIZE(ar2315_gpio_res)
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
 void __init ar2315_init_devices(void)
 | 
			
		||||
 {
 | 
			
		||||
 	/* Find board configuration */
 | 
			
		||||
 	ath25_find_config(AR2315_SPI_READ_BASE, AR2315_SPI_READ_SIZE);
 | 
			
		||||
 
 | 
			
		||||
+	ar2315_gpio_res[1].start = irq_create_mapping(ar2315_misc_irq_domain,
 | 
			
		||||
+						      AR2315_MISC_IRQ_GPIO);
 | 
			
		||||
+	ar2315_gpio_res[1].end = ar2315_gpio_res[1].start;
 | 
			
		||||
+	platform_device_register(&ar2315_gpio);
 | 
			
		||||
+
 | 
			
		||||
 	ath25_add_wmac(0, AR2315_WLAN0_BASE, AR2315_IRQ_WLAN0);
 | 
			
		||||
 }
 | 
			
		||||
 
 | 
			
		||||
@@ -187,8 +220,8 @@ static void ar2315_restart(char *command
 | 
			
		||||
 	/* Cold reset does not work on the AR2315/6, use the GPIO reset bits
 | 
			
		||||
 	 * a workaround. Give it some time to attempt a gpio based hardware
 | 
			
		||||
 	 * reset (atheros reference design workaround) */
 | 
			
		||||
-
 | 
			
		||||
-	/* TODO: implement the GPIO reset workaround */
 | 
			
		||||
+	gpio_request_one(AR2315_RESET_GPIO, GPIOF_OUT_INIT_LOW, "Reset");
 | 
			
		||||
+	mdelay(100);
 | 
			
		||||
 
 | 
			
		||||
 	/* Some boards (e.g. Senao EOC-2610) don't implement the reset logic
 | 
			
		||||
 	 * workaround. Attempt to jump to the mips reset location -
 | 
			
		||||
--- a/drivers/gpio/Kconfig
 | 
			
		||||
+++ b/drivers/gpio/Kconfig
 | 
			
		||||
@@ -105,6 +105,13 @@ config GPIO_AMDPT
 | 
			
		||||
 	  driver for GPIO functionality on Promontory IOHub
 | 
			
		||||
 	  Require ACPI ASL code to enumerate as a platform device.
 | 
			
		||||
 
 | 
			
		||||
+config GPIO_AR2315
 | 
			
		||||
+	bool "AR2315 SoC GPIO support"
 | 
			
		||||
+	default y if SOC_AR2315
 | 
			
		||||
+	depends on SOC_AR2315
 | 
			
		||||
+	help
 | 
			
		||||
+	  Say yes here to enable GPIO support for Atheros AR2315+ SoCs.
 | 
			
		||||
+
 | 
			
		||||
 config GPIO_AR5312
 | 
			
		||||
 	bool "AR5312 SoC GPIO support"
 | 
			
		||||
 	default y if SOC_AR5312
 | 
			
		||||
--- a/drivers/gpio/Makefile
 | 
			
		||||
+++ b/drivers/gpio/Makefile
 | 
			
		||||
@@ -29,6 +29,7 @@ obj-$(CONFIG_GPIO_ALTERA)  	+= gpio-alte
 | 
			
		||||
 obj-$(CONFIG_GPIO_ALTERA_A10SR)	+= gpio-altera-a10sr.o
 | 
			
		||||
 obj-$(CONFIG_GPIO_AMD8111)	+= gpio-amd8111.o
 | 
			
		||||
 obj-$(CONFIG_GPIO_AMDPT)	+= gpio-amdpt.o
 | 
			
		||||
+obj-$(CONFIG_GPIO_AR2315)	+= gpio-ar2315.o
 | 
			
		||||
 obj-$(CONFIG_GPIO_AR5312)	+= gpio-ar5312.o
 | 
			
		||||
 obj-$(CONFIG_GPIO_ARIZONA)	+= gpio-arizona.o
 | 
			
		||||
 obj-$(CONFIG_GPIO_ATH79)	+= gpio-ath79.o
 | 
			
		||||
--- /dev/null
 | 
			
		||||
+++ b/drivers/gpio/gpio-ar2315.c
 | 
			
		||||
@@ -0,0 +1,233 @@
 | 
			
		||||
+/*
 | 
			
		||||
+ * This file is subject to the terms and conditions of the GNU General Public
 | 
			
		||||
+ * License.  See the file "COPYING" in the main directory of this archive
 | 
			
		||||
+ * for more details.
 | 
			
		||||
+ *
 | 
			
		||||
+ * Copyright (C) 2003 Atheros Communications, Inc.,  All Rights Reserved.
 | 
			
		||||
+ * Copyright (C) 2006 FON Technology, SL.
 | 
			
		||||
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
 | 
			
		||||
+ * Copyright (C) 2006 Felix Fietkau <nbd@nbd.name>
 | 
			
		||||
+ * Copyright (C) 2012 Alexandros C. Couloumbis <alex@ozo.com>
 | 
			
		||||
+ */
 | 
			
		||||
+
 | 
			
		||||
+#include <linux/kernel.h>
 | 
			
		||||
+#include <linux/init.h>
 | 
			
		||||
+#include <linux/platform_device.h>
 | 
			
		||||
+#include <linux/gpio.h>
 | 
			
		||||
+#include <linux/irq.h>
 | 
			
		||||
+
 | 
			
		||||
+#define DRIVER_NAME	"ar2315-gpio"
 | 
			
		||||
+
 | 
			
		||||
+#define AR2315_GPIO_DI			0x0000
 | 
			
		||||
+#define AR2315_GPIO_DO			0x0008
 | 
			
		||||
+#define AR2315_GPIO_DIR			0x0010
 | 
			
		||||
+#define AR2315_GPIO_INT			0x0018
 | 
			
		||||
+
 | 
			
		||||
+#define AR2315_GPIO_DIR_M(x)		(1 << (x))	/* mask for i/o */
 | 
			
		||||
+#define AR2315_GPIO_DIR_O(x)		(1 << (x))	/* output */
 | 
			
		||||
+#define AR2315_GPIO_DIR_I(x)		(0)		/* input */
 | 
			
		||||
+
 | 
			
		||||
+#define AR2315_GPIO_INT_NUM_M		0x3F		/* mask for GPIO num */
 | 
			
		||||
+#define AR2315_GPIO_INT_TRIG(x)		((x) << 6)	/* interrupt trigger */
 | 
			
		||||
+#define AR2315_GPIO_INT_TRIG_M		(0x3 << 6)	/* mask for int trig */
 | 
			
		||||
+
 | 
			
		||||
+#define AR2315_GPIO_INT_TRIG_OFF	0	/* Triggerring off */
 | 
			
		||||
+#define AR2315_GPIO_INT_TRIG_LOW	1	/* Low Level Triggered */
 | 
			
		||||
+#define AR2315_GPIO_INT_TRIG_HIGH	2	/* High Level Triggered */
 | 
			
		||||
+#define AR2315_GPIO_INT_TRIG_EDGE	3	/* Edge Triggered */
 | 
			
		||||
+
 | 
			
		||||
+#define AR2315_GPIO_NUM		22
 | 
			
		||||
+
 | 
			
		||||
+static u32 ar2315_gpio_intmask;
 | 
			
		||||
+static u32 ar2315_gpio_intval;
 | 
			
		||||
+static unsigned ar2315_gpio_irq_base;
 | 
			
		||||
+static void __iomem *ar2315_mem;
 | 
			
		||||
+
 | 
			
		||||
+static inline u32 ar2315_gpio_reg_read(unsigned reg)
 | 
			
		||||
+{
 | 
			
		||||
+	return __raw_readl(ar2315_mem + reg);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static inline void ar2315_gpio_reg_write(unsigned reg, u32 val)
 | 
			
		||||
+{
 | 
			
		||||
+	__raw_writel(val, ar2315_mem + reg);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static inline void ar2315_gpio_reg_mask(unsigned reg, u32 mask, u32 val)
 | 
			
		||||
+{
 | 
			
		||||
+	ar2315_gpio_reg_write(reg, (ar2315_gpio_reg_read(reg) & ~mask) | val);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static void ar2315_gpio_irq_handler(struct irq_desc *desc)
 | 
			
		||||
+{
 | 
			
		||||
+	u32 pend;
 | 
			
		||||
+	int bit = -1;
 | 
			
		||||
+
 | 
			
		||||
+	/* only do one gpio interrupt at a time */
 | 
			
		||||
+	pend = ar2315_gpio_reg_read(AR2315_GPIO_DI);
 | 
			
		||||
+	pend ^= ar2315_gpio_intval;
 | 
			
		||||
+	pend &= ar2315_gpio_intmask;
 | 
			
		||||
+
 | 
			
		||||
+	if (pend) {
 | 
			
		||||
+		bit = fls(pend) - 1;
 | 
			
		||||
+		pend &= ~(1 << bit);
 | 
			
		||||
+		ar2315_gpio_intval ^= (1 << bit);
 | 
			
		||||
+	}
 | 
			
		||||
+
 | 
			
		||||
+	/* Enable interrupt with edge detection */
 | 
			
		||||
+	if ((ar2315_gpio_reg_read(AR2315_GPIO_DIR) & AR2315_GPIO_DIR_M(bit)) !=
 | 
			
		||||
+	    AR2315_GPIO_DIR_I(bit))
 | 
			
		||||
+		return;
 | 
			
		||||
+
 | 
			
		||||
+	if (bit >= 0)
 | 
			
		||||
+		generic_handle_irq(ar2315_gpio_irq_base + bit);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static void ar2315_gpio_int_setup(unsigned gpio, int trig)
 | 
			
		||||
+{
 | 
			
		||||
+	u32 reg = ar2315_gpio_reg_read(AR2315_GPIO_INT);
 | 
			
		||||
+
 | 
			
		||||
+	reg &= ~(AR2315_GPIO_INT_NUM_M | AR2315_GPIO_INT_TRIG_M);
 | 
			
		||||
+	reg |= gpio | AR2315_GPIO_INT_TRIG(trig);
 | 
			
		||||
+	ar2315_gpio_reg_write(AR2315_GPIO_INT, reg);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static void ar2315_gpio_irq_unmask(struct irq_data *d)
 | 
			
		||||
+{
 | 
			
		||||
+	unsigned gpio = d->irq - ar2315_gpio_irq_base;
 | 
			
		||||
+	u32 dir = ar2315_gpio_reg_read(AR2315_GPIO_DIR);
 | 
			
		||||
+
 | 
			
		||||
+	/* Enable interrupt with edge detection */
 | 
			
		||||
+	if ((dir & AR2315_GPIO_DIR_M(gpio)) != AR2315_GPIO_DIR_I(gpio))
 | 
			
		||||
+		return;
 | 
			
		||||
+
 | 
			
		||||
+	ar2315_gpio_intmask |= (1 << gpio);
 | 
			
		||||
+	ar2315_gpio_int_setup(gpio, AR2315_GPIO_INT_TRIG_EDGE);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static void ar2315_gpio_irq_mask(struct irq_data *d)
 | 
			
		||||
+{
 | 
			
		||||
+	unsigned gpio = d->irq - ar2315_gpio_irq_base;
 | 
			
		||||
+
 | 
			
		||||
+	/* Disable interrupt */
 | 
			
		||||
+	ar2315_gpio_intmask &= ~(1 << gpio);
 | 
			
		||||
+	ar2315_gpio_int_setup(gpio, AR2315_GPIO_INT_TRIG_OFF);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static struct irq_chip ar2315_gpio_irq_chip = {
 | 
			
		||||
+	.name		= DRIVER_NAME,
 | 
			
		||||
+	.irq_unmask	= ar2315_gpio_irq_unmask,
 | 
			
		||||
+	.irq_mask	= ar2315_gpio_irq_mask,
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static void ar2315_gpio_irq_init(unsigned irq)
 | 
			
		||||
+{
 | 
			
		||||
+	unsigned i;
 | 
			
		||||
+
 | 
			
		||||
+	ar2315_gpio_intval = ar2315_gpio_reg_read(AR2315_GPIO_DI);
 | 
			
		||||
+	for (i = 0; i < AR2315_GPIO_NUM; i++) {
 | 
			
		||||
+		unsigned _irq = ar2315_gpio_irq_base + i;
 | 
			
		||||
+
 | 
			
		||||
+		irq_set_chip_and_handler(_irq, &ar2315_gpio_irq_chip,
 | 
			
		||||
+					 handle_level_irq);
 | 
			
		||||
+	}
 | 
			
		||||
+	irq_set_chained_handler(irq, ar2315_gpio_irq_handler);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int ar2315_gpio_get_val(struct gpio_chip *chip, unsigned gpio)
 | 
			
		||||
+{
 | 
			
		||||
+	return (ar2315_gpio_reg_read(AR2315_GPIO_DI) >> gpio) & 1;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static void ar2315_gpio_set_val(struct gpio_chip *chip, unsigned gpio, int val)
 | 
			
		||||
+{
 | 
			
		||||
+	u32 reg = ar2315_gpio_reg_read(AR2315_GPIO_DO);
 | 
			
		||||
+
 | 
			
		||||
+	reg = val ? reg | (1 << gpio) : reg & ~(1 << gpio);
 | 
			
		||||
+	ar2315_gpio_reg_write(AR2315_GPIO_DO, reg);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int ar2315_gpio_dir_in(struct gpio_chip *chip, unsigned gpio)
 | 
			
		||||
+{
 | 
			
		||||
+	ar2315_gpio_reg_mask(AR2315_GPIO_DIR, 1 << gpio, 0);
 | 
			
		||||
+	return 0;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int ar2315_gpio_dir_out(struct gpio_chip *chip, unsigned gpio, int val)
 | 
			
		||||
+{
 | 
			
		||||
+	ar2315_gpio_reg_mask(AR2315_GPIO_DIR, 0, 1 << gpio);
 | 
			
		||||
+	ar2315_gpio_set_val(chip, gpio, val);
 | 
			
		||||
+	return 0;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int ar2315_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
 | 
			
		||||
+{
 | 
			
		||||
+	return ar2315_gpio_irq_base + gpio;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static struct gpio_chip ar2315_gpio_chip = {
 | 
			
		||||
+	.label			= DRIVER_NAME,
 | 
			
		||||
+	.direction_input	= ar2315_gpio_dir_in,
 | 
			
		||||
+	.direction_output	= ar2315_gpio_dir_out,
 | 
			
		||||
+	.set			= ar2315_gpio_set_val,
 | 
			
		||||
+	.get			= ar2315_gpio_get_val,
 | 
			
		||||
+	.to_irq			= ar2315_gpio_to_irq,
 | 
			
		||||
+	.base			= 0,
 | 
			
		||||
+	.ngpio			= AR2315_GPIO_NUM,
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static int ar2315_gpio_probe(struct platform_device *pdev)
 | 
			
		||||
+{
 | 
			
		||||
+	struct device *dev = &pdev->dev;
 | 
			
		||||
+	struct resource *res;
 | 
			
		||||
+	unsigned irq;
 | 
			
		||||
+	int ret;
 | 
			
		||||
+
 | 
			
		||||
+	if (ar2315_mem)
 | 
			
		||||
+		return -EBUSY;
 | 
			
		||||
+
 | 
			
		||||
+	res = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
 | 
			
		||||
+					   "ar2315-gpio-irq-base");
 | 
			
		||||
+	if (!res) {
 | 
			
		||||
+		dev_err(dev, "not found GPIO IRQ base\n");
 | 
			
		||||
+		return -ENXIO;
 | 
			
		||||
+	}
 | 
			
		||||
+	ar2315_gpio_irq_base = res->start;
 | 
			
		||||
+
 | 
			
		||||
+	res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, DRIVER_NAME);
 | 
			
		||||
+	if (!res) {
 | 
			
		||||
+		dev_err(dev, "not found IRQ number\n");
 | 
			
		||||
+		return -ENXIO;
 | 
			
		||||
+	}
 | 
			
		||||
+	irq = res->start;
 | 
			
		||||
+
 | 
			
		||||
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, DRIVER_NAME);
 | 
			
		||||
+	ar2315_mem = devm_ioremap_resource(dev, res);
 | 
			
		||||
+	if (IS_ERR(ar2315_mem))
 | 
			
		||||
+		return PTR_ERR(ar2315_mem);
 | 
			
		||||
+
 | 
			
		||||
+	ar2315_gpio_chip.parent = dev;
 | 
			
		||||
+	ret = gpiochip_add(&ar2315_gpio_chip);
 | 
			
		||||
+	if (ret) {
 | 
			
		||||
+		dev_err(dev, "failed to add gpiochip\n");
 | 
			
		||||
+		return ret;
 | 
			
		||||
+	}
 | 
			
		||||
+
 | 
			
		||||
+	ar2315_gpio_irq_init(irq);
 | 
			
		||||
+
 | 
			
		||||
+	return 0;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static struct platform_driver ar2315_gpio_driver = {
 | 
			
		||||
+	.probe = ar2315_gpio_probe,
 | 
			
		||||
+	.driver = {
 | 
			
		||||
+		.name = DRIVER_NAME,
 | 
			
		||||
+		.owner = THIS_MODULE,
 | 
			
		||||
+	}
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static int __init ar2315_gpio_init(void)
 | 
			
		||||
+{
 | 
			
		||||
+	return platform_driver_register(&ar2315_gpio_driver);
 | 
			
		||||
+}
 | 
			
		||||
+subsys_initcall(ar2315_gpio_init);
 | 
			
		||||
--- a/arch/mips/ath25/devices.h
 | 
			
		||||
+++ b/arch/mips/ath25/devices.h
 | 
			
		||||
@@ -4,6 +4,11 @@
 | 
			
		||||
 
 | 
			
		||||
 #include <linux/cpu.h>
 | 
			
		||||
 
 | 
			
		||||
+#define AR231X_GPIO_IRQ_BASE		0x30
 | 
			
		||||
+
 | 
			
		||||
+/* GPIO number for AR2315/16 reset issue workaround */
 | 
			
		||||
+#define AR2315_RESET_GPIO		5
 | 
			
		||||
+
 | 
			
		||||
 #define ATH25_REG_MS(_val, _field)	(((_val) & _field##_M) >> _field##_S)
 | 
			
		||||
 
 | 
			
		||||
 #define ATH25_IRQ_CPU_CLOCK	(MIPS_CPU_IRQ_BASE + 7)	/* C0_CAUSE: 0x8000 */
 | 
			
		||||
--- a/arch/mips/ath25/ar2315_regs.h
 | 
			
		||||
+++ b/arch/mips/ath25/ar2315_regs.h
 | 
			
		||||
@@ -315,6 +315,9 @@
 | 
			
		||||
 #define AR2315_MEM_CFG_BANKADDR_BITS_M	0x00000018
 | 
			
		||||
 #define AR2315_MEM_CFG_BANKADDR_BITS_S	3
 | 
			
		||||
 
 | 
			
		||||
+/* GPIO MMR base address */
 | 
			
		||||
+#define AR2315_GPIO			0x0088
 | 
			
		||||
+
 | 
			
		||||
 /*
 | 
			
		||||
  * Local Bus Interface Registers
 | 
			
		||||
  */
 | 
			
		||||
							
								
								
									
										1734
									
								
								target/linux/ath25/patches-4.14/110-ar2313_ethernet.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										1734
									
								
								target/linux/ath25/patches-4.14/110-ar2313_ethernet.patch
									
									
									
									
									
										Normal file
									
								
							
										
											
												File diff suppressed because it is too large
												Load Diff
											
										
									
								
							
							
								
								
									
										634
									
								
								target/linux/ath25/patches-4.14/120-spiflash.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										634
									
								
								target/linux/ath25/patches-4.14/120-spiflash.patch
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,634 @@
 | 
			
		||||
--- a/drivers/mtd/devices/Kconfig
 | 
			
		||||
+++ b/drivers/mtd/devices/Kconfig
 | 
			
		||||
@@ -130,6 +130,10 @@ config MTD_BCM47XXSFLASH
 | 
			
		||||
 	  registered by bcma as platform devices. This enables driver for
 | 
			
		||||
 	  serial flash memories.
 | 
			
		||||
 
 | 
			
		||||
+config MTD_AR2315
 | 
			
		||||
+	tristate "Atheros AR2315+ SPI Flash support"
 | 
			
		||||
+	depends on SOC_AR2315
 | 
			
		||||
+
 | 
			
		||||
 config MTD_SLRAM
 | 
			
		||||
 	tristate "Uncached system RAM"
 | 
			
		||||
 	help
 | 
			
		||||
--- a/drivers/mtd/devices/Makefile
 | 
			
		||||
+++ b/drivers/mtd/devices/Makefile
 | 
			
		||||
@@ -16,6 +16,7 @@ obj-$(CONFIG_MTD_M25P80)	+= m25p80.o
 | 
			
		||||
 obj-$(CONFIG_MTD_MCHP23K256)	+= mchp23k256.o
 | 
			
		||||
 obj-$(CONFIG_MTD_SPEAR_SMI)	+= spear_smi.o
 | 
			
		||||
 obj-$(CONFIG_MTD_SST25L)	+= sst25l.o
 | 
			
		||||
+obj-$(CONFIG_MTD_AR2315)	+= ar2315.o
 | 
			
		||||
 obj-$(CONFIG_MTD_BCM47XXSFLASH)	+= bcm47xxsflash.o
 | 
			
		||||
 obj-$(CONFIG_MTD_ST_SPI_FSM)    += st_spi_fsm.o
 | 
			
		||||
 obj-$(CONFIG_MTD_POWERNV_FLASH)	+= powernv_flash.o
 | 
			
		||||
--- /dev/null
 | 
			
		||||
+++ b/drivers/mtd/devices/ar2315.c
 | 
			
		||||
@@ -0,0 +1,459 @@
 | 
			
		||||
+
 | 
			
		||||
+/*
 | 
			
		||||
+ * MTD driver for the SPI Flash Memory support on Atheros AR2315
 | 
			
		||||
+ *
 | 
			
		||||
+ * Copyright (c) 2005-2006 Atheros Communications Inc.
 | 
			
		||||
+ * Copyright (C) 2006-2007 FON Technology, SL.
 | 
			
		||||
+ * Copyright (C) 2006-2007 Imre Kaloz <kaloz@openwrt.org>
 | 
			
		||||
+ * Copyright (C) 2006-2009 Felix Fietkau <nbd@nbd.name>
 | 
			
		||||
+ * Copyright (C) 2012 Alexandros C. Couloumbis <alex@ozo.com>
 | 
			
		||||
+ *
 | 
			
		||||
+ * This code is free software; you can redistribute it and/or modify
 | 
			
		||||
+ * it under the terms of the GNU General Public License version 2 as
 | 
			
		||||
+ * published by the Free Software Foundation.
 | 
			
		||||
+ *
 | 
			
		||||
+ */
 | 
			
		||||
+
 | 
			
		||||
+#include <linux/kernel.h>
 | 
			
		||||
+#include <linux/module.h>
 | 
			
		||||
+#include <linux/types.h>
 | 
			
		||||
+#include <linux/errno.h>
 | 
			
		||||
+#include <linux/slab.h>
 | 
			
		||||
+#include <linux/mtd/mtd.h>
 | 
			
		||||
+#include <linux/mtd/partitions.h>
 | 
			
		||||
+#include <linux/platform_device.h>
 | 
			
		||||
+#include <linux/sched.h>
 | 
			
		||||
+#include <linux/delay.h>
 | 
			
		||||
+#include <linux/io.h>
 | 
			
		||||
+#include <linux/mutex.h>
 | 
			
		||||
+
 | 
			
		||||
+#include "ar2315_spiflash.h"
 | 
			
		||||
+
 | 
			
		||||
+#define DRIVER_NAME "ar2315-spiflash"
 | 
			
		||||
+
 | 
			
		||||
+#define busy_wait(_priv, _condition, _wait) do { \
 | 
			
		||||
+	while (_condition) { \
 | 
			
		||||
+		if (_wait > 1) \
 | 
			
		||||
+			msleep(_wait); \
 | 
			
		||||
+		else if ((_wait == 1) && need_resched()) \
 | 
			
		||||
+			schedule(); \
 | 
			
		||||
+		else \
 | 
			
		||||
+			udelay(1); \
 | 
			
		||||
+	} \
 | 
			
		||||
+} while (0)
 | 
			
		||||
+
 | 
			
		||||
+enum {
 | 
			
		||||
+	FLASH_NONE,
 | 
			
		||||
+	FLASH_1MB,
 | 
			
		||||
+	FLASH_2MB,
 | 
			
		||||
+	FLASH_4MB,
 | 
			
		||||
+	FLASH_8MB,
 | 
			
		||||
+	FLASH_16MB,
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+/* Flash configuration table */
 | 
			
		||||
+struct flashconfig {
 | 
			
		||||
+	u32 byte_cnt;
 | 
			
		||||
+	u32 sector_cnt;
 | 
			
		||||
+	u32 sector_size;
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static const struct flashconfig flashconfig_tbl[] = {
 | 
			
		||||
+	[FLASH_NONE] = { 0, 0, 0},
 | 
			
		||||
+	[FLASH_1MB]  = { STM_1MB_BYTE_COUNT, STM_1MB_SECTOR_COUNT,
 | 
			
		||||
+			 STM_1MB_SECTOR_SIZE},
 | 
			
		||||
+	[FLASH_2MB]  = { STM_2MB_BYTE_COUNT, STM_2MB_SECTOR_COUNT,
 | 
			
		||||
+			 STM_2MB_SECTOR_SIZE},
 | 
			
		||||
+	[FLASH_4MB]  = { STM_4MB_BYTE_COUNT, STM_4MB_SECTOR_COUNT,
 | 
			
		||||
+			 STM_4MB_SECTOR_SIZE},
 | 
			
		||||
+	[FLASH_8MB]  = { STM_8MB_BYTE_COUNT, STM_8MB_SECTOR_COUNT,
 | 
			
		||||
+			 STM_8MB_SECTOR_SIZE},
 | 
			
		||||
+	[FLASH_16MB] = { STM_16MB_BYTE_COUNT, STM_16MB_SECTOR_COUNT,
 | 
			
		||||
+			 STM_16MB_SECTOR_SIZE}
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+/* Mapping of generic opcodes to STM serial flash opcodes */
 | 
			
		||||
+enum {
 | 
			
		||||
+	SPI_WRITE_ENABLE,
 | 
			
		||||
+	SPI_WRITE_DISABLE,
 | 
			
		||||
+	SPI_RD_STATUS,
 | 
			
		||||
+	SPI_WR_STATUS,
 | 
			
		||||
+	SPI_RD_DATA,
 | 
			
		||||
+	SPI_FAST_RD_DATA,
 | 
			
		||||
+	SPI_PAGE_PROGRAM,
 | 
			
		||||
+	SPI_SECTOR_ERASE,
 | 
			
		||||
+	SPI_BULK_ERASE,
 | 
			
		||||
+	SPI_DEEP_PWRDOWN,
 | 
			
		||||
+	SPI_RD_SIG,
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+struct opcodes {
 | 
			
		||||
+	__u16 code;
 | 
			
		||||
+	__s8 tx_cnt;
 | 
			
		||||
+	__s8 rx_cnt;
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static const struct opcodes stm_opcodes[] = {
 | 
			
		||||
+	[SPI_WRITE_ENABLE] = {STM_OP_WR_ENABLE, 1, 0},
 | 
			
		||||
+	[SPI_WRITE_DISABLE] = {STM_OP_WR_DISABLE, 1, 0},
 | 
			
		||||
+	[SPI_RD_STATUS] = {STM_OP_RD_STATUS, 1, 1},
 | 
			
		||||
+	[SPI_WR_STATUS] = {STM_OP_WR_STATUS, 1, 0},
 | 
			
		||||
+	[SPI_RD_DATA] = {STM_OP_RD_DATA, 4, 4},
 | 
			
		||||
+	[SPI_FAST_RD_DATA] = {STM_OP_FAST_RD_DATA, 5, 0},
 | 
			
		||||
+	[SPI_PAGE_PROGRAM] = {STM_OP_PAGE_PGRM, 8, 0},
 | 
			
		||||
+	[SPI_SECTOR_ERASE] = {STM_OP_SECTOR_ERASE, 4, 0},
 | 
			
		||||
+	[SPI_BULK_ERASE] = {STM_OP_BULK_ERASE, 1, 0},
 | 
			
		||||
+	[SPI_DEEP_PWRDOWN] = {STM_OP_DEEP_PWRDOWN, 1, 0},
 | 
			
		||||
+	[SPI_RD_SIG] = {STM_OP_RD_SIG, 4, 1},
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+/* Driver private data structure */
 | 
			
		||||
+struct spiflash_priv {
 | 
			
		||||
+	struct mtd_info mtd;
 | 
			
		||||
+	void __iomem *readaddr; /* memory mapped data for read  */
 | 
			
		||||
+	void __iomem *mmraddr;  /* memory mapped register space */
 | 
			
		||||
+	struct mutex lock;	/* serialize registers access */
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+#define to_spiflash(_mtd) container_of(_mtd, struct spiflash_priv, mtd)
 | 
			
		||||
+
 | 
			
		||||
+enum {
 | 
			
		||||
+	FL_READY,
 | 
			
		||||
+	FL_READING,
 | 
			
		||||
+	FL_ERASING,
 | 
			
		||||
+	FL_WRITING
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+/*****************************************************************************/
 | 
			
		||||
+
 | 
			
		||||
+static u32
 | 
			
		||||
+spiflash_read_reg(struct spiflash_priv *priv, int reg)
 | 
			
		||||
+{
 | 
			
		||||
+	return ioread32(priv->mmraddr + reg);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static void
 | 
			
		||||
+spiflash_write_reg(struct spiflash_priv *priv, int reg, u32 data)
 | 
			
		||||
+{
 | 
			
		||||
+	iowrite32(data, priv->mmraddr + reg);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static u32
 | 
			
		||||
+spiflash_wait_busy(struct spiflash_priv *priv)
 | 
			
		||||
+{
 | 
			
		||||
+	u32 reg;
 | 
			
		||||
+
 | 
			
		||||
+	busy_wait(priv, (reg = spiflash_read_reg(priv, SPI_FLASH_CTL)) &
 | 
			
		||||
+		SPI_CTL_BUSY, 0);
 | 
			
		||||
+	return reg;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static u32
 | 
			
		||||
+spiflash_sendcmd(struct spiflash_priv *priv, int opcode, u32 addr)
 | 
			
		||||
+{
 | 
			
		||||
+	const struct opcodes *op;
 | 
			
		||||
+	u32 reg, mask;
 | 
			
		||||
+
 | 
			
		||||
+	op = &stm_opcodes[opcode];
 | 
			
		||||
+	reg = spiflash_wait_busy(priv);
 | 
			
		||||
+	spiflash_write_reg(priv, SPI_FLASH_OPCODE,
 | 
			
		||||
+			   ((u32)op->code) | (addr << 8));
 | 
			
		||||
+
 | 
			
		||||
+	reg &= ~SPI_CTL_TX_RX_CNT_MASK;
 | 
			
		||||
+	reg |= SPI_CTL_START | op->tx_cnt | (op->rx_cnt << 4);
 | 
			
		||||
+
 | 
			
		||||
+	spiflash_write_reg(priv, SPI_FLASH_CTL, reg);
 | 
			
		||||
+	spiflash_wait_busy(priv);
 | 
			
		||||
+
 | 
			
		||||
+	if (!op->rx_cnt)
 | 
			
		||||
+		return 0;
 | 
			
		||||
+
 | 
			
		||||
+	reg = spiflash_read_reg(priv, SPI_FLASH_DATA);
 | 
			
		||||
+
 | 
			
		||||
+	switch (op->rx_cnt) {
 | 
			
		||||
+	case 1:
 | 
			
		||||
+		mask = 0x000000ff;
 | 
			
		||||
+		break;
 | 
			
		||||
+	case 2:
 | 
			
		||||
+		mask = 0x0000ffff;
 | 
			
		||||
+		break;
 | 
			
		||||
+	case 3:
 | 
			
		||||
+		mask = 0x00ffffff;
 | 
			
		||||
+		break;
 | 
			
		||||
+	default:
 | 
			
		||||
+		mask = 0xffffffff;
 | 
			
		||||
+		break;
 | 
			
		||||
+	}
 | 
			
		||||
+	reg &= mask;
 | 
			
		||||
+
 | 
			
		||||
+	return reg;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+/*
 | 
			
		||||
+ * Probe SPI flash device
 | 
			
		||||
+ * Function returns 0 for failure.
 | 
			
		||||
+ * and flashconfig_tbl array index for success.
 | 
			
		||||
+ */
 | 
			
		||||
+static int
 | 
			
		||||
+spiflash_probe_chip(struct platform_device *pdev, struct spiflash_priv *priv)
 | 
			
		||||
+{
 | 
			
		||||
+	u32 sig = spiflash_sendcmd(priv, SPI_RD_SIG, 0);
 | 
			
		||||
+	int flash_size;
 | 
			
		||||
+
 | 
			
		||||
+	switch (sig) {
 | 
			
		||||
+	case STM_8MBIT_SIGNATURE:
 | 
			
		||||
+		flash_size = FLASH_1MB;
 | 
			
		||||
+		break;
 | 
			
		||||
+	case STM_16MBIT_SIGNATURE:
 | 
			
		||||
+		flash_size = FLASH_2MB;
 | 
			
		||||
+		break;
 | 
			
		||||
+	case STM_32MBIT_SIGNATURE:
 | 
			
		||||
+		flash_size = FLASH_4MB;
 | 
			
		||||
+		break;
 | 
			
		||||
+	case STM_64MBIT_SIGNATURE:
 | 
			
		||||
+		flash_size = FLASH_8MB;
 | 
			
		||||
+		break;
 | 
			
		||||
+	case STM_128MBIT_SIGNATURE:
 | 
			
		||||
+		flash_size = FLASH_16MB;
 | 
			
		||||
+		break;
 | 
			
		||||
+	default:
 | 
			
		||||
+		dev_warn(&pdev->dev, "read of flash device signature failed!\n");
 | 
			
		||||
+		return 0;
 | 
			
		||||
+	}
 | 
			
		||||
+
 | 
			
		||||
+	return flash_size;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static void
 | 
			
		||||
+spiflash_wait_complete(struct spiflash_priv *priv, unsigned int timeout)
 | 
			
		||||
+{
 | 
			
		||||
+	busy_wait(priv, spiflash_sendcmd(priv, SPI_RD_STATUS, 0) &
 | 
			
		||||
+		SPI_STATUS_WIP, timeout);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int
 | 
			
		||||
+spiflash_erase(struct mtd_info *mtd, struct erase_info *instr)
 | 
			
		||||
+{
 | 
			
		||||
+	struct spiflash_priv *priv = to_spiflash(mtd);
 | 
			
		||||
+	const struct opcodes *op;
 | 
			
		||||
+	u32 temp, reg;
 | 
			
		||||
+
 | 
			
		||||
+	if (instr->addr + instr->len > mtd->size)
 | 
			
		||||
+		return -EINVAL;
 | 
			
		||||
+
 | 
			
		||||
+	mutex_lock(&priv->lock);
 | 
			
		||||
+
 | 
			
		||||
+	spiflash_sendcmd(priv, SPI_WRITE_ENABLE, 0);
 | 
			
		||||
+	reg = spiflash_wait_busy(priv);
 | 
			
		||||
+
 | 
			
		||||
+	op = &stm_opcodes[SPI_SECTOR_ERASE];
 | 
			
		||||
+	temp = ((u32)instr->addr << 8) | (u32)(op->code);
 | 
			
		||||
+	spiflash_write_reg(priv, SPI_FLASH_OPCODE, temp);
 | 
			
		||||
+
 | 
			
		||||
+	reg &= ~SPI_CTL_TX_RX_CNT_MASK;
 | 
			
		||||
+	reg |= op->tx_cnt | SPI_CTL_START;
 | 
			
		||||
+	spiflash_write_reg(priv, SPI_FLASH_CTL, reg);
 | 
			
		||||
+
 | 
			
		||||
+	spiflash_wait_complete(priv, 20);
 | 
			
		||||
+
 | 
			
		||||
+	mutex_unlock(&priv->lock);
 | 
			
		||||
+
 | 
			
		||||
+	instr->state = MTD_ERASE_DONE;
 | 
			
		||||
+	mtd_erase_callback(instr);
 | 
			
		||||
+
 | 
			
		||||
+	return 0;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int
 | 
			
		||||
+spiflash_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
 | 
			
		||||
+	      u_char *buf)
 | 
			
		||||
+{
 | 
			
		||||
+	struct spiflash_priv *priv = to_spiflash(mtd);
 | 
			
		||||
+
 | 
			
		||||
+	if (!len)
 | 
			
		||||
+		return 0;
 | 
			
		||||
+
 | 
			
		||||
+	if (from + len > mtd->size)
 | 
			
		||||
+		return -EINVAL;
 | 
			
		||||
+
 | 
			
		||||
+	*retlen = len;
 | 
			
		||||
+
 | 
			
		||||
+	mutex_lock(&priv->lock);
 | 
			
		||||
+
 | 
			
		||||
+	memcpy_fromio(buf, priv->readaddr + from, len);
 | 
			
		||||
+
 | 
			
		||||
+	mutex_unlock(&priv->lock);
 | 
			
		||||
+
 | 
			
		||||
+	return 0;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int
 | 
			
		||||
+spiflash_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
 | 
			
		||||
+	       const u8 *buf)
 | 
			
		||||
+{
 | 
			
		||||
+	struct spiflash_priv *priv = to_spiflash(mtd);
 | 
			
		||||
+	u32 opcode, bytes_left;
 | 
			
		||||
+
 | 
			
		||||
+	*retlen = 0;
 | 
			
		||||
+
 | 
			
		||||
+	if (!len)
 | 
			
		||||
+		return 0;
 | 
			
		||||
+
 | 
			
		||||
+	if (to + len > mtd->size)
 | 
			
		||||
+		return -EINVAL;
 | 
			
		||||
+
 | 
			
		||||
+	bytes_left = len;
 | 
			
		||||
+
 | 
			
		||||
+	do {
 | 
			
		||||
+		u32 read_len, reg, page_offset, spi_data = 0;
 | 
			
		||||
+
 | 
			
		||||
+		read_len = min(bytes_left, sizeof(u32));
 | 
			
		||||
+
 | 
			
		||||
+		/* 32-bit writes cannot span across a page boundary
 | 
			
		||||
+		 * (256 bytes). This types of writes require two page
 | 
			
		||||
+		 * program operations to handle it correctly. The STM part
 | 
			
		||||
+		 * will write the overflow data to the beginning of the
 | 
			
		||||
+		 * current page as opposed to the subsequent page.
 | 
			
		||||
+		 */
 | 
			
		||||
+		page_offset = (to & (STM_PAGE_SIZE - 1)) + read_len;
 | 
			
		||||
+
 | 
			
		||||
+		if (page_offset > STM_PAGE_SIZE)
 | 
			
		||||
+			read_len -= (page_offset - STM_PAGE_SIZE);
 | 
			
		||||
+
 | 
			
		||||
+		mutex_lock(&priv->lock);
 | 
			
		||||
+
 | 
			
		||||
+		spiflash_sendcmd(priv, SPI_WRITE_ENABLE, 0);
 | 
			
		||||
+		spi_data = 0;
 | 
			
		||||
+		switch (read_len) {
 | 
			
		||||
+		case 4:
 | 
			
		||||
+			spi_data |= buf[3] << 24;
 | 
			
		||||
+			/* fall through */
 | 
			
		||||
+		case 3:
 | 
			
		||||
+			spi_data |= buf[2] << 16;
 | 
			
		||||
+			/* fall through */
 | 
			
		||||
+		case 2:
 | 
			
		||||
+			spi_data |= buf[1] << 8;
 | 
			
		||||
+			/* fall through */
 | 
			
		||||
+		case 1:
 | 
			
		||||
+			spi_data |= buf[0] & 0xff;
 | 
			
		||||
+			break;
 | 
			
		||||
+		default:
 | 
			
		||||
+			break;
 | 
			
		||||
+		}
 | 
			
		||||
+
 | 
			
		||||
+		spiflash_write_reg(priv, SPI_FLASH_DATA, spi_data);
 | 
			
		||||
+		opcode = stm_opcodes[SPI_PAGE_PROGRAM].code |
 | 
			
		||||
+			(to & 0x00ffffff) << 8;
 | 
			
		||||
+		spiflash_write_reg(priv, SPI_FLASH_OPCODE, opcode);
 | 
			
		||||
+
 | 
			
		||||
+		reg = spiflash_read_reg(priv, SPI_FLASH_CTL);
 | 
			
		||||
+		reg &= ~SPI_CTL_TX_RX_CNT_MASK;
 | 
			
		||||
+		reg |= (read_len + 4) | SPI_CTL_START;
 | 
			
		||||
+		spiflash_write_reg(priv, SPI_FLASH_CTL, reg);
 | 
			
		||||
+
 | 
			
		||||
+		spiflash_wait_complete(priv, 1);
 | 
			
		||||
+
 | 
			
		||||
+		mutex_unlock(&priv->lock);
 | 
			
		||||
+
 | 
			
		||||
+		bytes_left -= read_len;
 | 
			
		||||
+		to += read_len;
 | 
			
		||||
+		buf += read_len;
 | 
			
		||||
+
 | 
			
		||||
+		*retlen += read_len;
 | 
			
		||||
+	} while (bytes_left != 0);
 | 
			
		||||
+
 | 
			
		||||
+	return 0;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+#if defined CONFIG_MTD_REDBOOT_PARTS || CONFIG_MTD_MYLOADER_PARTS
 | 
			
		||||
+static const char * const part_probe_types[] = {
 | 
			
		||||
+	"cmdlinepart", "RedBoot", "MyLoader", NULL
 | 
			
		||||
+};
 | 
			
		||||
+#endif
 | 
			
		||||
+
 | 
			
		||||
+static int
 | 
			
		||||
+spiflash_probe(struct platform_device *pdev)
 | 
			
		||||
+{
 | 
			
		||||
+	struct spiflash_priv *priv;
 | 
			
		||||
+	struct mtd_info *mtd;
 | 
			
		||||
+	struct resource *res;
 | 
			
		||||
+	int index;
 | 
			
		||||
+	int result = 0;
 | 
			
		||||
+
 | 
			
		||||
+	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
 | 
			
		||||
+	if (!priv)
 | 
			
		||||
+		return -ENOMEM;
 | 
			
		||||
+
 | 
			
		||||
+	mutex_init(&priv->lock);
 | 
			
		||||
+	mtd = &priv->mtd;
 | 
			
		||||
+
 | 
			
		||||
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 | 
			
		||||
+	priv->mmraddr = devm_ioremap_resource(&pdev->dev, res);
 | 
			
		||||
+	if (IS_ERR(priv->mmraddr)) {
 | 
			
		||||
+		dev_warn(&pdev->dev, "failed to map flash MMR\n");
 | 
			
		||||
+		return PTR_ERR(priv->mmraddr);
 | 
			
		||||
+	}
 | 
			
		||||
+
 | 
			
		||||
+	index = spiflash_probe_chip(pdev, priv);
 | 
			
		||||
+	if (!index) {
 | 
			
		||||
+		dev_warn(&pdev->dev, "found no flash device\n");
 | 
			
		||||
+		return -ENODEV;
 | 
			
		||||
+	}
 | 
			
		||||
+
 | 
			
		||||
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 | 
			
		||||
+	priv->readaddr = devm_ioremap_resource(&pdev->dev, res);
 | 
			
		||||
+	if (IS_ERR(priv->readaddr)) {
 | 
			
		||||
+		dev_warn(&pdev->dev, "failed to map flash read mem\n");
 | 
			
		||||
+		return PTR_ERR(priv->readaddr);
 | 
			
		||||
+	}
 | 
			
		||||
+
 | 
			
		||||
+	platform_set_drvdata(pdev, priv);
 | 
			
		||||
+	mtd->name = "spiflash";
 | 
			
		||||
+	mtd->type = MTD_NORFLASH;
 | 
			
		||||
+	mtd->flags = (MTD_CAP_NORFLASH|MTD_WRITEABLE);
 | 
			
		||||
+	mtd->size = flashconfig_tbl[index].byte_cnt;
 | 
			
		||||
+	mtd->erasesize = flashconfig_tbl[index].sector_size;
 | 
			
		||||
+	mtd->writesize = 1;
 | 
			
		||||
+	mtd->numeraseregions = 0;
 | 
			
		||||
+	mtd->eraseregions = NULL;
 | 
			
		||||
+	mtd->_erase = spiflash_erase;
 | 
			
		||||
+	mtd->_read = spiflash_read;
 | 
			
		||||
+	mtd->_write = spiflash_write;
 | 
			
		||||
+	mtd->owner = THIS_MODULE;
 | 
			
		||||
+
 | 
			
		||||
+	dev_info(&pdev->dev, "%lld Kbytes flash detected\n", mtd->size >> 10);
 | 
			
		||||
+
 | 
			
		||||
+#if defined CONFIG_MTD_REDBOOT_PARTS || CONFIG_MTD_MYLOADER_PARTS
 | 
			
		||||
+	/* parse redboot partitions */
 | 
			
		||||
+
 | 
			
		||||
+	result = mtd_device_parse_register(mtd, part_probe_types,
 | 
			
		||||
+					   NULL, NULL, 0);
 | 
			
		||||
+#endif
 | 
			
		||||
+
 | 
			
		||||
+	return result;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int
 | 
			
		||||
+spiflash_remove(struct platform_device *pdev)
 | 
			
		||||
+{
 | 
			
		||||
+	struct spiflash_priv *priv = platform_get_drvdata(pdev);
 | 
			
		||||
+
 | 
			
		||||
+	mtd_device_unregister(&priv->mtd);
 | 
			
		||||
+
 | 
			
		||||
+	return 0;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static struct platform_driver spiflash_driver = {
 | 
			
		||||
+	.driver.name = DRIVER_NAME,
 | 
			
		||||
+	.probe = spiflash_probe,
 | 
			
		||||
+	.remove = spiflash_remove,
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+module_platform_driver(spiflash_driver);
 | 
			
		||||
+
 | 
			
		||||
+MODULE_LICENSE("GPL");
 | 
			
		||||
+MODULE_AUTHOR("OpenWrt.org");
 | 
			
		||||
+MODULE_AUTHOR("Atheros Communications Inc");
 | 
			
		||||
+MODULE_DESCRIPTION("MTD driver for SPI Flash on Atheros AR2315+ SOC");
 | 
			
		||||
+MODULE_ALIAS("platform:" DRIVER_NAME);
 | 
			
		||||
+
 | 
			
		||||
--- /dev/null
 | 
			
		||||
+++ b/drivers/mtd/devices/ar2315_spiflash.h
 | 
			
		||||
@@ -0,0 +1,106 @@
 | 
			
		||||
+/*
 | 
			
		||||
+ * Atheros AR2315 SPI Flash Memory support header file.
 | 
			
		||||
+ *
 | 
			
		||||
+ * Copyright (c) 2005, Atheros Communications Inc.
 | 
			
		||||
+ * Copyright (C) 2006 FON Technology, SL.
 | 
			
		||||
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
 | 
			
		||||
+ * Copyright (C) 2006-2009 Felix Fietkau <nbd@nbd.name>
 | 
			
		||||
+ *
 | 
			
		||||
+ * This code is free software; you can redistribute it and/or modify
 | 
			
		||||
+ * it under the terms of the GNU General Public License version 2 as
 | 
			
		||||
+ * published by the Free Software Foundation.
 | 
			
		||||
+ *
 | 
			
		||||
+ */
 | 
			
		||||
+#ifndef __AR2315_SPIFLASH_H
 | 
			
		||||
+#define __AR2315_SPIFLASH_H
 | 
			
		||||
+
 | 
			
		||||
+#define STM_PAGE_SIZE           256
 | 
			
		||||
+
 | 
			
		||||
+#define SFI_WRITE_BUFFER_SIZE   4
 | 
			
		||||
+#define SFI_FLASH_ADDR_MASK     0x00ffffff
 | 
			
		||||
+
 | 
			
		||||
+#define STM_8MBIT_SIGNATURE     0x13
 | 
			
		||||
+#define STM_M25P80_BYTE_COUNT   1048576
 | 
			
		||||
+#define STM_M25P80_SECTOR_COUNT 16
 | 
			
		||||
+#define STM_M25P80_SECTOR_SIZE  0x10000
 | 
			
		||||
+
 | 
			
		||||
+#define STM_16MBIT_SIGNATURE    0x14
 | 
			
		||||
+#define STM_M25P16_BYTE_COUNT   2097152
 | 
			
		||||
+#define STM_M25P16_SECTOR_COUNT 32
 | 
			
		||||
+#define STM_M25P16_SECTOR_SIZE  0x10000
 | 
			
		||||
+
 | 
			
		||||
+#define STM_32MBIT_SIGNATURE    0x15
 | 
			
		||||
+#define STM_M25P32_BYTE_COUNT   4194304
 | 
			
		||||
+#define STM_M25P32_SECTOR_COUNT 64
 | 
			
		||||
+#define STM_M25P32_SECTOR_SIZE  0x10000
 | 
			
		||||
+
 | 
			
		||||
+#define STM_64MBIT_SIGNATURE    0x16
 | 
			
		||||
+#define STM_M25P64_BYTE_COUNT   8388608
 | 
			
		||||
+#define STM_M25P64_SECTOR_COUNT 128
 | 
			
		||||
+#define STM_M25P64_SECTOR_SIZE  0x10000
 | 
			
		||||
+
 | 
			
		||||
+#define STM_128MBIT_SIGNATURE   0x17
 | 
			
		||||
+#define STM_M25P128_BYTE_COUNT   16777216
 | 
			
		||||
+#define STM_M25P128_SECTOR_COUNT 256
 | 
			
		||||
+#define STM_M25P128_SECTOR_SIZE  0x10000
 | 
			
		||||
+
 | 
			
		||||
+#define STM_1MB_BYTE_COUNT   STM_M25P80_BYTE_COUNT
 | 
			
		||||
+#define STM_1MB_SECTOR_COUNT STM_M25P80_SECTOR_COUNT
 | 
			
		||||
+#define STM_1MB_SECTOR_SIZE  STM_M25P80_SECTOR_SIZE
 | 
			
		||||
+#define STM_2MB_BYTE_COUNT   STM_M25P16_BYTE_COUNT
 | 
			
		||||
+#define STM_2MB_SECTOR_COUNT STM_M25P16_SECTOR_COUNT
 | 
			
		||||
+#define STM_2MB_SECTOR_SIZE  STM_M25P16_SECTOR_SIZE
 | 
			
		||||
+#define STM_4MB_BYTE_COUNT   STM_M25P32_BYTE_COUNT
 | 
			
		||||
+#define STM_4MB_SECTOR_COUNT STM_M25P32_SECTOR_COUNT
 | 
			
		||||
+#define STM_4MB_SECTOR_SIZE  STM_M25P32_SECTOR_SIZE
 | 
			
		||||
+#define STM_8MB_BYTE_COUNT   STM_M25P64_BYTE_COUNT
 | 
			
		||||
+#define STM_8MB_SECTOR_COUNT STM_M25P64_SECTOR_COUNT
 | 
			
		||||
+#define STM_8MB_SECTOR_SIZE  STM_M25P64_SECTOR_SIZE
 | 
			
		||||
+#define STM_16MB_BYTE_COUNT   STM_M25P128_BYTE_COUNT
 | 
			
		||||
+#define STM_16MB_SECTOR_COUNT STM_M25P128_SECTOR_COUNT
 | 
			
		||||
+#define STM_16MB_SECTOR_SIZE  STM_M25P128_SECTOR_SIZE
 | 
			
		||||
+
 | 
			
		||||
+/*
 | 
			
		||||
+ * ST Microelectronics Opcodes for Serial Flash
 | 
			
		||||
+ */
 | 
			
		||||
+
 | 
			
		||||
+#define STM_OP_WR_ENABLE       0x06     /* Write Enable */
 | 
			
		||||
+#define STM_OP_WR_DISABLE      0x04     /* Write Disable */
 | 
			
		||||
+#define STM_OP_RD_STATUS       0x05     /* Read Status */
 | 
			
		||||
+#define STM_OP_WR_STATUS       0x01     /* Write Status */
 | 
			
		||||
+#define STM_OP_RD_DATA         0x03     /* Read Data */
 | 
			
		||||
+#define STM_OP_FAST_RD_DATA    0x0b     /* Fast Read Data */
 | 
			
		||||
+#define STM_OP_PAGE_PGRM       0x02     /* Page Program */
 | 
			
		||||
+#define STM_OP_SECTOR_ERASE    0xd8     /* Sector Erase */
 | 
			
		||||
+#define STM_OP_BULK_ERASE      0xc7     /* Bulk Erase */
 | 
			
		||||
+#define STM_OP_DEEP_PWRDOWN    0xb9     /* Deep Power-Down Mode */
 | 
			
		||||
+#define STM_OP_RD_SIG          0xab     /* Read Electronic Signature */
 | 
			
		||||
+
 | 
			
		||||
+#define STM_STATUS_WIP       0x01       /* Write-In-Progress */
 | 
			
		||||
+#define STM_STATUS_WEL       0x02       /* Write Enable Latch */
 | 
			
		||||
+#define STM_STATUS_BP0       0x04       /* Block Protect 0 */
 | 
			
		||||
+#define STM_STATUS_BP1       0x08       /* Block Protect 1 */
 | 
			
		||||
+#define STM_STATUS_BP2       0x10       /* Block Protect 2 */
 | 
			
		||||
+#define STM_STATUS_SRWD      0x80       /* Status Register Write Disable */
 | 
			
		||||
+
 | 
			
		||||
+/*
 | 
			
		||||
+ * SPI Flash Interface Registers
 | 
			
		||||
+ */
 | 
			
		||||
+
 | 
			
		||||
+#define SPI_FLASH_CTL           0x00
 | 
			
		||||
+#define SPI_FLASH_OPCODE        0x04
 | 
			
		||||
+#define SPI_FLASH_DATA          0x08
 | 
			
		||||
+
 | 
			
		||||
+#define SPI_CTL_START           0x00000100
 | 
			
		||||
+#define SPI_CTL_BUSY            0x00010000
 | 
			
		||||
+#define SPI_CTL_TXCNT_MASK      0x0000000f
 | 
			
		||||
+#define SPI_CTL_RXCNT_MASK      0x000000f0
 | 
			
		||||
+#define SPI_CTL_TX_RX_CNT_MASK  0x000000ff
 | 
			
		||||
+#define SPI_CTL_SIZE_MASK       0x00060000
 | 
			
		||||
+
 | 
			
		||||
+#define SPI_CTL_CLK_SEL_MASK    0x03000000
 | 
			
		||||
+#define SPI_OPCODE_MASK         0x000000ff
 | 
			
		||||
+
 | 
			
		||||
+#define SPI_STATUS_WIP		STM_STATUS_WIP
 | 
			
		||||
+
 | 
			
		||||
+#endif
 | 
			
		||||
--- a/arch/mips/ath25/ar2315.c
 | 
			
		||||
+++ b/arch/mips/ath25/ar2315.c
 | 
			
		||||
@@ -220,6 +220,28 @@ static struct platform_device ar2315_gpi
 | 
			
		||||
 	.num_resources = ARRAY_SIZE(ar2315_gpio_res)
 | 
			
		||||
 };
 | 
			
		||||
 
 | 
			
		||||
+static struct resource ar2315_spiflash_res[] = {
 | 
			
		||||
+	{
 | 
			
		||||
+		.name = "spiflash_read",
 | 
			
		||||
+		.flags = IORESOURCE_MEM,
 | 
			
		||||
+		.start = AR2315_SPI_READ_BASE,
 | 
			
		||||
+		.end = AR2315_SPI_READ_BASE + AR2315_SPI_READ_SIZE - 1,
 | 
			
		||||
+	},
 | 
			
		||||
+	{
 | 
			
		||||
+		.name = "spiflash_mmr",
 | 
			
		||||
+		.flags = IORESOURCE_MEM,
 | 
			
		||||
+		.start = AR2315_SPI_MMR_BASE,
 | 
			
		||||
+		.end = AR2315_SPI_MMR_BASE + AR2315_SPI_MMR_SIZE - 1,
 | 
			
		||||
+	},
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static struct platform_device ar2315_spiflash = {
 | 
			
		||||
+	.id = 0,
 | 
			
		||||
+	.name = "ar2315-spiflash",
 | 
			
		||||
+	.resource = ar2315_spiflash_res,
 | 
			
		||||
+	.num_resources = ARRAY_SIZE(ar2315_spiflash_res)
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
 void __init ar2315_init_devices(void)
 | 
			
		||||
 {
 | 
			
		||||
 	/* Find board configuration */
 | 
			
		||||
@@ -230,6 +252,8 @@ void __init ar2315_init_devices(void)
 | 
			
		||||
 	ar2315_gpio_res[1].end = ar2315_gpio_res[1].start;
 | 
			
		||||
 	platform_device_register(&ar2315_gpio);
 | 
			
		||||
 
 | 
			
		||||
+	platform_device_register(&ar2315_spiflash);
 | 
			
		||||
+
 | 
			
		||||
 	ar2315_eth_data.macaddr = ath25_board.config->enet0_mac;
 | 
			
		||||
 	ath25_add_ethernet(0, AR2315_ENET0_BASE, "eth0_mii",
 | 
			
		||||
 			   AR2315_ENET0_MII_BASE, AR2315_IRQ_ENET0,
 | 
			
		||||
							
								
								
									
										277
									
								
								target/linux/ath25/patches-4.14/130-watchdog.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										277
									
								
								target/linux/ath25/patches-4.14/130-watchdog.patch
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,277 @@
 | 
			
		||||
--- /dev/null
 | 
			
		||||
+++ b/drivers/watchdog/ar2315-wtd.c
 | 
			
		||||
@@ -0,0 +1,209 @@
 | 
			
		||||
+/*
 | 
			
		||||
+ * This program is free software; you can redistribute it and/or modify
 | 
			
		||||
+ * it under the terms of the GNU General Public License as published by
 | 
			
		||||
+ * the Free Software Foundation; either version 2 of the License, or
 | 
			
		||||
+ * (at your option) any later version.
 | 
			
		||||
+ *
 | 
			
		||||
+ * This program is distributed in the hope that it will be useful,
 | 
			
		||||
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
			
		||||
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | 
			
		||||
+ * GNU General Public License for more details.
 | 
			
		||||
+ *
 | 
			
		||||
+ * You should have received a copy of the GNU General Public License
 | 
			
		||||
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
 | 
			
		||||
+ *
 | 
			
		||||
+ * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
 | 
			
		||||
+ * Based on EP93xx and ifxmips wdt driver
 | 
			
		||||
+ */
 | 
			
		||||
+
 | 
			
		||||
+#include <linux/interrupt.h>
 | 
			
		||||
+#include <linux/module.h>
 | 
			
		||||
+#include <linux/moduleparam.h>
 | 
			
		||||
+#include <linux/types.h>
 | 
			
		||||
+#include <linux/miscdevice.h>
 | 
			
		||||
+#include <linux/watchdog.h>
 | 
			
		||||
+#include <linux/fs.h>
 | 
			
		||||
+#include <linux/ioport.h>
 | 
			
		||||
+#include <linux/notifier.h>
 | 
			
		||||
+#include <linux/reboot.h>
 | 
			
		||||
+#include <linux/init.h>
 | 
			
		||||
+#include <linux/platform_device.h>
 | 
			
		||||
+#include <linux/io.h>
 | 
			
		||||
+#include <linux/uaccess.h>
 | 
			
		||||
+
 | 
			
		||||
+#define DRIVER_NAME	"ar2315-wdt"
 | 
			
		||||
+
 | 
			
		||||
+#define CLOCK_RATE 40000000
 | 
			
		||||
+#define HEARTBEAT(x) (x < 1 || x > 90 ? 20 : x)
 | 
			
		||||
+
 | 
			
		||||
+#define WDT_REG_TIMER		0x00
 | 
			
		||||
+#define WDT_REG_CTRL		0x04
 | 
			
		||||
+
 | 
			
		||||
+#define WDT_CTRL_ACT_NONE	0x00000000	/* No action */
 | 
			
		||||
+#define WDT_CTRL_ACT_NMI	0x00000001	/* NMI on watchdog */
 | 
			
		||||
+#define WDT_CTRL_ACT_RESET	0x00000002	/* reset on watchdog */
 | 
			
		||||
+
 | 
			
		||||
+static int wdt_timeout = 20;
 | 
			
		||||
+static int started;
 | 
			
		||||
+static int in_use;
 | 
			
		||||
+static void __iomem *wdt_base;
 | 
			
		||||
+
 | 
			
		||||
+static inline void ar2315_wdt_wr(unsigned reg, u32 val)
 | 
			
		||||
+{
 | 
			
		||||
+	iowrite32(val, wdt_base + reg);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static void
 | 
			
		||||
+ar2315_wdt_enable(void)
 | 
			
		||||
+{
 | 
			
		||||
+	ar2315_wdt_wr(WDT_REG_TIMER, wdt_timeout * CLOCK_RATE);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static ssize_t
 | 
			
		||||
+ar2315_wdt_write(struct file *file, const char __user *data, size_t len,
 | 
			
		||||
+		 loff_t *ppos)
 | 
			
		||||
+{
 | 
			
		||||
+	if (len)
 | 
			
		||||
+		ar2315_wdt_enable();
 | 
			
		||||
+	return len;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int
 | 
			
		||||
+ar2315_wdt_open(struct inode *inode, struct file *file)
 | 
			
		||||
+{
 | 
			
		||||
+	if (in_use)
 | 
			
		||||
+		return -EBUSY;
 | 
			
		||||
+	ar2315_wdt_enable();
 | 
			
		||||
+	in_use = 1;
 | 
			
		||||
+	started = 1;
 | 
			
		||||
+	return nonseekable_open(inode, file);
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int
 | 
			
		||||
+ar2315_wdt_release(struct inode *inode, struct file *file)
 | 
			
		||||
+{
 | 
			
		||||
+	in_use = 0;
 | 
			
		||||
+	return 0;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static irqreturn_t
 | 
			
		||||
+ar2315_wdt_interrupt(int irq, void *dev)
 | 
			
		||||
+{
 | 
			
		||||
+	struct platform_device *pdev = (struct platform_device *)dev;
 | 
			
		||||
+
 | 
			
		||||
+	if (started) {
 | 
			
		||||
+		dev_crit(&pdev->dev, "watchdog expired, rebooting system\n");
 | 
			
		||||
+		emergency_restart();
 | 
			
		||||
+	} else {
 | 
			
		||||
+		ar2315_wdt_wr(WDT_REG_CTRL, 0);
 | 
			
		||||
+		ar2315_wdt_wr(WDT_REG_TIMER, 0);
 | 
			
		||||
+	}
 | 
			
		||||
+	return IRQ_HANDLED;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static struct watchdog_info ident = {
 | 
			
		||||
+	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
 | 
			
		||||
+	.identity = "ar2315 Watchdog",
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static long
 | 
			
		||||
+ar2315_wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 | 
			
		||||
+{
 | 
			
		||||
+	int new_wdt_timeout;
 | 
			
		||||
+	int ret = -ENOIOCTLCMD;
 | 
			
		||||
+
 | 
			
		||||
+	switch (cmd) {
 | 
			
		||||
+	case WDIOC_GETSUPPORT:
 | 
			
		||||
+		ret = copy_to_user((void __user *)arg, &ident, sizeof(ident)) ?
 | 
			
		||||
+		      -EFAULT : 0;
 | 
			
		||||
+		break;
 | 
			
		||||
+	case WDIOC_KEEPALIVE:
 | 
			
		||||
+		ar2315_wdt_enable();
 | 
			
		||||
+		ret = 0;
 | 
			
		||||
+		break;
 | 
			
		||||
+	case WDIOC_SETTIMEOUT:
 | 
			
		||||
+		ret = get_user(new_wdt_timeout, (int __user *)arg);
 | 
			
		||||
+		if (ret)
 | 
			
		||||
+			break;
 | 
			
		||||
+		wdt_timeout = HEARTBEAT(new_wdt_timeout);
 | 
			
		||||
+		ar2315_wdt_enable();
 | 
			
		||||
+		break;
 | 
			
		||||
+	case WDIOC_GETTIMEOUT:
 | 
			
		||||
+		ret = put_user(wdt_timeout, (int __user *)arg);
 | 
			
		||||
+		break;
 | 
			
		||||
+	}
 | 
			
		||||
+	return ret;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static const struct file_operations ar2315_wdt_fops = {
 | 
			
		||||
+	.owner		= THIS_MODULE,
 | 
			
		||||
+	.llseek		= no_llseek,
 | 
			
		||||
+	.write		= ar2315_wdt_write,
 | 
			
		||||
+	.unlocked_ioctl	= ar2315_wdt_ioctl,
 | 
			
		||||
+	.open		= ar2315_wdt_open,
 | 
			
		||||
+	.release	= ar2315_wdt_release,
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static struct miscdevice ar2315_wdt_miscdev = {
 | 
			
		||||
+	.minor	= WATCHDOG_MINOR,
 | 
			
		||||
+	.name	= "watchdog",
 | 
			
		||||
+	.fops	= &ar2315_wdt_fops,
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static int
 | 
			
		||||
+ar2315_wdt_probe(struct platform_device *dev)
 | 
			
		||||
+{
 | 
			
		||||
+	struct resource *mem_res, *irq_res;
 | 
			
		||||
+	int ret = 0;
 | 
			
		||||
+
 | 
			
		||||
+	if (wdt_base)
 | 
			
		||||
+		return -EBUSY;
 | 
			
		||||
+
 | 
			
		||||
+	irq_res = platform_get_resource(dev, IORESOURCE_IRQ, 0);
 | 
			
		||||
+	if (!irq_res) {
 | 
			
		||||
+		dev_err(&dev->dev, "no IRQ resource\n");
 | 
			
		||||
+		return -ENOENT;
 | 
			
		||||
+	}
 | 
			
		||||
+
 | 
			
		||||
+	mem_res = platform_get_resource(dev, IORESOURCE_MEM, 0);
 | 
			
		||||
+	wdt_base = devm_ioremap_resource(&dev->dev, mem_res);
 | 
			
		||||
+	if (IS_ERR(wdt_base))
 | 
			
		||||
+		return PTR_ERR(wdt_base);
 | 
			
		||||
+
 | 
			
		||||
+	ret = devm_request_irq(&dev->dev, irq_res->start, ar2315_wdt_interrupt,
 | 
			
		||||
+			       0, DRIVER_NAME, dev);
 | 
			
		||||
+	if (ret) {
 | 
			
		||||
+		dev_err(&dev->dev, "failed to register inetrrupt\n");
 | 
			
		||||
+		goto out;
 | 
			
		||||
+	}
 | 
			
		||||
+
 | 
			
		||||
+	ret = misc_register(&ar2315_wdt_miscdev);
 | 
			
		||||
+	if (ret)
 | 
			
		||||
+		dev_err(&dev->dev, "failed to register miscdev\n");
 | 
			
		||||
+
 | 
			
		||||
+out:
 | 
			
		||||
+	return ret;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static int
 | 
			
		||||
+ar2315_wdt_remove(struct platform_device *dev)
 | 
			
		||||
+{
 | 
			
		||||
+	misc_deregister(&ar2315_wdt_miscdev);
 | 
			
		||||
+	return 0;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+static struct platform_driver ar2315_wdt_driver = {
 | 
			
		||||
+	.probe = ar2315_wdt_probe,
 | 
			
		||||
+	.remove = ar2315_wdt_remove,
 | 
			
		||||
+	.driver = {
 | 
			
		||||
+		.name = DRIVER_NAME,
 | 
			
		||||
+		.owner = THIS_MODULE,
 | 
			
		||||
+	},
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+module_platform_driver(ar2315_wdt_driver);
 | 
			
		||||
+
 | 
			
		||||
+MODULE_DESCRIPTION("Atheros AR2315 hardware watchdog driver");
 | 
			
		||||
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
 | 
			
		||||
+MODULE_LICENSE("GPL");
 | 
			
		||||
+MODULE_ALIAS("platform:" DRIVER_NAME);
 | 
			
		||||
--- a/drivers/watchdog/Kconfig
 | 
			
		||||
+++ b/drivers/watchdog/Kconfig
 | 
			
		||||
@@ -1646,6 +1646,13 @@ config PIC32_DMT
 | 
			
		||||
 	  To compile this driver as a loadable module, choose M here.
 | 
			
		||||
 	  The module will be called pic32-dmt.
 | 
			
		||||
 
 | 
			
		||||
+config AR2315_WDT
 | 
			
		||||
+	tristate "Atheros AR2315+ WiSoCs Watchdog Timer"
 | 
			
		||||
+	depends on ATH25
 | 
			
		||||
+	help
 | 
			
		||||
+	  Hardware driver for the built-in watchdog timer on the Atheros
 | 
			
		||||
+	  AR2315/AR2316 WiSoCs.
 | 
			
		||||
+
 | 
			
		||||
 # PARISC Architecture
 | 
			
		||||
 
 | 
			
		||||
 # POWERPC Architecture
 | 
			
		||||
--- a/drivers/watchdog/Makefile
 | 
			
		||||
+++ b/drivers/watchdog/Makefile
 | 
			
		||||
@@ -166,6 +166,7 @@ obj-$(CONFIG_WDT_MTX1) += mtx-1_wdt.o
 | 
			
		||||
 obj-$(CONFIG_PNX833X_WDT) += pnx833x_wdt.o
 | 
			
		||||
 obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o
 | 
			
		||||
 obj-$(CONFIG_AR7_WDT) += ar7_wdt.o
 | 
			
		||||
+obj-$(CONFIG_AR2315_WDT) += ar2315-wtd.o
 | 
			
		||||
 obj-$(CONFIG_TXX9_WDT) += txx9wdt.o
 | 
			
		||||
 obj-$(CONFIG_OCTEON_WDT) += octeon-wdt.o
 | 
			
		||||
 octeon-wdt-y := octeon-wdt-main.o octeon-wdt-nmi.o
 | 
			
		||||
--- a/arch/mips/ath25/ar2315.c
 | 
			
		||||
+++ b/arch/mips/ath25/ar2315.c
 | 
			
		||||
@@ -220,6 +220,24 @@ static struct platform_device ar2315_gpi
 | 
			
		||||
 	.num_resources = ARRAY_SIZE(ar2315_gpio_res)
 | 
			
		||||
 };
 | 
			
		||||
 
 | 
			
		||||
+static struct resource ar2315_wdt_res[] = {
 | 
			
		||||
+	{
 | 
			
		||||
+		.flags = IORESOURCE_MEM,
 | 
			
		||||
+		.start = AR2315_RST_BASE + AR2315_WDT_TIMER,
 | 
			
		||||
+		.end = AR2315_RST_BASE + AR2315_WDT_TIMER + 8 - 1,
 | 
			
		||||
+	},
 | 
			
		||||
+	{
 | 
			
		||||
+		.flags = IORESOURCE_IRQ,
 | 
			
		||||
+	}
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static struct platform_device ar2315_wdt = {
 | 
			
		||||
+	.id = 0,
 | 
			
		||||
+	.name = "ar2315-wdt",
 | 
			
		||||
+	.resource = ar2315_wdt_res,
 | 
			
		||||
+	.num_resources = ARRAY_SIZE(ar2315_wdt_res)
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
 static struct resource ar2315_spiflash_res[] = {
 | 
			
		||||
 	{
 | 
			
		||||
 		.name = "spiflash_read",
 | 
			
		||||
@@ -252,6 +270,11 @@ void __init ar2315_init_devices(void)
 | 
			
		||||
 	ar2315_gpio_res[1].end = ar2315_gpio_res[1].start;
 | 
			
		||||
 	platform_device_register(&ar2315_gpio);
 | 
			
		||||
 
 | 
			
		||||
+	ar2315_wdt_res[1].start = irq_create_mapping(ar2315_misc_irq_domain,
 | 
			
		||||
+						     AR2315_MISC_IRQ_WATCHDOG);
 | 
			
		||||
+	ar2315_wdt_res[1].end = ar2315_wdt_res[1].start;
 | 
			
		||||
+	platform_device_register(&ar2315_wdt);
 | 
			
		||||
+
 | 
			
		||||
 	platform_device_register(&ar2315_spiflash);
 | 
			
		||||
 
 | 
			
		||||
 	ar2315_eth_data.macaddr = ath25_board.config->enet0_mac;
 | 
			
		||||
@@ -0,0 +1,60 @@
 | 
			
		||||
--- a/drivers/mtd/redboot.c
 | 
			
		||||
+++ b/drivers/mtd/redboot.c
 | 
			
		||||
@@ -30,6 +30,8 @@
 | 
			
		||||
 #include <linux/mtd/partitions.h>
 | 
			
		||||
 #include <linux/module.h>
 | 
			
		||||
 
 | 
			
		||||
+#define BOARD_CONFIG_PART		"boardconfig"
 | 
			
		||||
+
 | 
			
		||||
 struct fis_image_desc {
 | 
			
		||||
     unsigned char name[16];      // Null terminated name
 | 
			
		||||
     uint32_t	  flash_base;    // Address within FLASH of image
 | 
			
		||||
@@ -60,6 +62,7 @@ static int parse_redboot_partitions(stru
 | 
			
		||||
 				    const struct mtd_partition **pparts,
 | 
			
		||||
 				    struct mtd_part_parser_data *data)
 | 
			
		||||
 {
 | 
			
		||||
+	unsigned long max_offset = 0;
 | 
			
		||||
 	int nrparts = 0;
 | 
			
		||||
 	struct fis_image_desc *buf;
 | 
			
		||||
 	struct mtd_partition *parts;
 | 
			
		||||
@@ -225,14 +228,15 @@ static int parse_redboot_partitions(stru
 | 
			
		||||
 		}
 | 
			
		||||
 	}
 | 
			
		||||
 #endif
 | 
			
		||||
-	parts = kzalloc(sizeof(*parts)*nrparts + nulllen + namelen, GFP_KERNEL);
 | 
			
		||||
+	parts = kzalloc(sizeof(*parts) * (nrparts + 1) + nulllen + namelen +
 | 
			
		||||
+			sizeof(BOARD_CONFIG_PART), GFP_KERNEL);
 | 
			
		||||
 
 | 
			
		||||
 	if (!parts) {
 | 
			
		||||
 		ret = -ENOMEM;
 | 
			
		||||
 		goto out;
 | 
			
		||||
 	}
 | 
			
		||||
 
 | 
			
		||||
-	nullname = (char *)&parts[nrparts];
 | 
			
		||||
+	nullname = (char *)&parts[nrparts + 1];
 | 
			
		||||
 #ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
 | 
			
		||||
 	if (nulllen > 0) {
 | 
			
		||||
 		strcpy(nullname, nullstring);
 | 
			
		||||
@@ -251,6 +255,8 @@ static int parse_redboot_partitions(stru
 | 
			
		||||
 	}
 | 
			
		||||
 #endif
 | 
			
		||||
 	for ( ; i<nrparts; i++) {
 | 
			
		||||
+		if (max_offset < buf[i].flash_base + buf[i].size)
 | 
			
		||||
+			max_offset = buf[i].flash_base + buf[i].size;
 | 
			
		||||
 		parts[i].size = fl->img->size;
 | 
			
		||||
 		parts[i].offset = fl->img->flash_base;
 | 
			
		||||
 		parts[i].name = names;
 | 
			
		||||
@@ -284,6 +290,13 @@ static int parse_redboot_partitions(stru
 | 
			
		||||
 		fl = fl->next;
 | 
			
		||||
 		kfree(tmp_fl);
 | 
			
		||||
 	}
 | 
			
		||||
+	if (master->size - max_offset >= master->erasesize) {
 | 
			
		||||
+		parts[nrparts].size = master->size - max_offset;
 | 
			
		||||
+		parts[nrparts].offset = max_offset;
 | 
			
		||||
+		parts[nrparts].name = names;
 | 
			
		||||
+		strcpy(names, BOARD_CONFIG_PART);
 | 
			
		||||
+		nrparts++;
 | 
			
		||||
+	}
 | 
			
		||||
 	ret = nrparts;
 | 
			
		||||
 	*pparts = parts;
 | 
			
		||||
  out:
 | 
			
		||||
@@ -0,0 +1,44 @@
 | 
			
		||||
--- a/drivers/mtd/redboot.c
 | 
			
		||||
+++ b/drivers/mtd/redboot.c
 | 
			
		||||
@@ -79,12 +79,18 @@ static int parse_redboot_partitions(stru
 | 
			
		||||
 	static char nullstring[] = "unallocated";
 | 
			
		||||
 #endif
 | 
			
		||||
 
 | 
			
		||||
+	buf = vmalloc(master->erasesize);
 | 
			
		||||
+	if (!buf)
 | 
			
		||||
+		return -ENOMEM;
 | 
			
		||||
+
 | 
			
		||||
+ restart:
 | 
			
		||||
 	if ( directory < 0 ) {
 | 
			
		||||
 		offset = master->size + directory * master->erasesize;
 | 
			
		||||
 		while (mtd_block_isbad(master, offset)) {
 | 
			
		||||
 			if (!offset) {
 | 
			
		||||
 			nogood:
 | 
			
		||||
 				printk(KERN_NOTICE "Failed to find a non-bad block to check for RedBoot partition table\n");
 | 
			
		||||
+				vfree(buf);
 | 
			
		||||
 				return -EIO;
 | 
			
		||||
 			}
 | 
			
		||||
 			offset -= master->erasesize;
 | 
			
		||||
@@ -97,10 +103,6 @@ static int parse_redboot_partitions(stru
 | 
			
		||||
 				goto nogood;
 | 
			
		||||
 		}
 | 
			
		||||
 	}
 | 
			
		||||
-	buf = vmalloc(master->erasesize);
 | 
			
		||||
-
 | 
			
		||||
-	if (!buf)
 | 
			
		||||
-		return -ENOMEM;
 | 
			
		||||
 
 | 
			
		||||
 	printk(KERN_NOTICE "Searching for RedBoot partition table in %s at offset 0x%lx\n",
 | 
			
		||||
 	       master->name, offset);
 | 
			
		||||
@@ -173,6 +175,11 @@ static int parse_redboot_partitions(stru
 | 
			
		||||
 	}
 | 
			
		||||
 	if (i == numslots) {
 | 
			
		||||
 		/* Didn't find it */
 | 
			
		||||
+		if (offset + master->erasesize < master->size) {
 | 
			
		||||
+			/* not at the end of the flash yet, maybe next block */
 | 
			
		||||
+			directory++;
 | 
			
		||||
+			goto restart;
 | 
			
		||||
+		}
 | 
			
		||||
 		printk(KERN_NOTICE "No RedBoot partition table detected in %s\n",
 | 
			
		||||
 		       master->name);
 | 
			
		||||
 		ret = 0;
 | 
			
		||||
@@ -0,0 +1,72 @@
 | 
			
		||||
--- a/drivers/mtd/redboot.c
 | 
			
		||||
+++ b/drivers/mtd/redboot.c
 | 
			
		||||
@@ -58,6 +58,22 @@ static inline int redboot_checksum(struc
 | 
			
		||||
 	return 1;
 | 
			
		||||
 }
 | 
			
		||||
 
 | 
			
		||||
+static uint32_t mtd_get_offset_erasesize(struct mtd_info *mtd, uint64_t offset)
 | 
			
		||||
+{
 | 
			
		||||
+	struct mtd_erase_region_info *regions = mtd->eraseregions;
 | 
			
		||||
+	int i;
 | 
			
		||||
+
 | 
			
		||||
+	for (i = 0; i < mtd->numeraseregions; i++) {
 | 
			
		||||
+		if (regions[i].offset +
 | 
			
		||||
+		    regions[i].numblocks * regions[i].erasesize <= offset)
 | 
			
		||||
+			continue;
 | 
			
		||||
+
 | 
			
		||||
+		return regions[i].erasesize;
 | 
			
		||||
+	}
 | 
			
		||||
+
 | 
			
		||||
+	return mtd->erasesize;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
 static int parse_redboot_partitions(struct mtd_info *master,
 | 
			
		||||
 				    const struct mtd_partition **pparts,
 | 
			
		||||
 				    struct mtd_part_parser_data *data)
 | 
			
		||||
@@ -74,6 +90,7 @@ static int parse_redboot_partitions(stru
 | 
			
		||||
 	int namelen = 0;
 | 
			
		||||
 	int nulllen = 0;
 | 
			
		||||
 	int numslots;
 | 
			
		||||
+	int first_slot;
 | 
			
		||||
 	unsigned long offset;
 | 
			
		||||
 #ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
 | 
			
		||||
 	static char nullstring[] = "unallocated";
 | 
			
		||||
@@ -186,7 +203,10 @@ static int parse_redboot_partitions(stru
 | 
			
		||||
 		goto out;
 | 
			
		||||
 	}
 | 
			
		||||
 
 | 
			
		||||
-	for (i = 0; i < numslots; i++) {
 | 
			
		||||
+	first_slot = (buf[i].flash_base & (master->erasesize - 1)) /
 | 
			
		||||
+		     sizeof(struct fis_image_desc);
 | 
			
		||||
+
 | 
			
		||||
+	for (i = first_slot; i < first_slot + numslots; i++) {
 | 
			
		||||
 		struct fis_list *new_fl, **prev;
 | 
			
		||||
 
 | 
			
		||||
 		if (buf[i].name[0] == 0xff) {
 | 
			
		||||
@@ -262,12 +282,13 @@ static int parse_redboot_partitions(stru
 | 
			
		||||
 	}
 | 
			
		||||
 #endif
 | 
			
		||||
 	for ( ; i<nrparts; i++) {
 | 
			
		||||
-		if (max_offset < buf[i].flash_base + buf[i].size)
 | 
			
		||||
-			max_offset = buf[i].flash_base + buf[i].size;
 | 
			
		||||
 		parts[i].size = fl->img->size;
 | 
			
		||||
 		parts[i].offset = fl->img->flash_base;
 | 
			
		||||
 		parts[i].name = names;
 | 
			
		||||
 
 | 
			
		||||
+		if (max_offset < parts[i].offset + parts[i].size)
 | 
			
		||||
+			max_offset = parts[i].offset + parts[i].size;
 | 
			
		||||
+
 | 
			
		||||
 		strcpy(names, fl->img->name);
 | 
			
		||||
 #ifdef CONFIG_MTD_REDBOOT_PARTS_READONLY
 | 
			
		||||
 		if (!memcmp(names, "RedBoot", 8) ||
 | 
			
		||||
@@ -297,7 +318,9 @@ static int parse_redboot_partitions(stru
 | 
			
		||||
 		fl = fl->next;
 | 
			
		||||
 		kfree(tmp_fl);
 | 
			
		||||
 	}
 | 
			
		||||
-	if (master->size - max_offset >= master->erasesize) {
 | 
			
		||||
+
 | 
			
		||||
+	if (master->size - max_offset >=
 | 
			
		||||
+	    mtd_get_offset_erasesize(master, max_offset)) {
 | 
			
		||||
 		parts[nrparts].size = master->size - max_offset;
 | 
			
		||||
 		parts[nrparts].offset = max_offset;
 | 
			
		||||
 		parts[nrparts].name = names;
 | 
			
		||||
							
								
								
									
										71
									
								
								target/linux/ath25/patches-4.14/210-reset_button.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										71
									
								
								target/linux/ath25/patches-4.14/210-reset_button.patch
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,71 @@
 | 
			
		||||
--- a/arch/mips/ath25/Makefile
 | 
			
		||||
+++ b/arch/mips/ath25/Makefile
 | 
			
		||||
@@ -8,7 +8,7 @@
 | 
			
		||||
 # Copyright (C) 2006-2009 Felix Fietkau <nbd@openwrt.org>
 | 
			
		||||
 #
 | 
			
		||||
 
 | 
			
		||||
-obj-y += board.o prom.o devices.o
 | 
			
		||||
+obj-y += board.o prom.o devices.o reset.o
 | 
			
		||||
 
 | 
			
		||||
 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
 | 
			
		||||
 
 | 
			
		||||
--- /dev/null
 | 
			
		||||
+++ b/arch/mips/ath25/reset.c
 | 
			
		||||
@@ -0,0 +1,57 @@
 | 
			
		||||
+#include <linux/init.h>
 | 
			
		||||
+#include <linux/slab.h>
 | 
			
		||||
+#include <linux/platform_device.h>
 | 
			
		||||
+#include <linux/gpio_keys.h>
 | 
			
		||||
+#include <linux/input.h>
 | 
			
		||||
+#include <ath25_platform.h>
 | 
			
		||||
+#include "devices.h"
 | 
			
		||||
+
 | 
			
		||||
+static int __init
 | 
			
		||||
+ar231x_init_reset(void)
 | 
			
		||||
+{
 | 
			
		||||
+	struct platform_device *pdev;
 | 
			
		||||
+	struct gpio_keys_platform_data pdata;
 | 
			
		||||
+	struct gpio_keys_button *p;
 | 
			
		||||
+	int err;
 | 
			
		||||
+
 | 
			
		||||
+	if (ath25_board.config->reset_config_gpio == 0xffff)
 | 
			
		||||
+		return -ENODEV;
 | 
			
		||||
+
 | 
			
		||||
+	p = kzalloc(sizeof(*p), GFP_KERNEL);
 | 
			
		||||
+	if (!p)
 | 
			
		||||
+		goto err;
 | 
			
		||||
+
 | 
			
		||||
+	p->desc = "reset";
 | 
			
		||||
+	p->type = EV_KEY;
 | 
			
		||||
+	p->code = KEY_RESTART;
 | 
			
		||||
+	p->debounce_interval = 60;
 | 
			
		||||
+	p->gpio = ath25_board.config->reset_config_gpio;
 | 
			
		||||
+
 | 
			
		||||
+	memset(&pdata, 0, sizeof(pdata));
 | 
			
		||||
+	pdata.poll_interval = 20;
 | 
			
		||||
+	pdata.buttons = p;
 | 
			
		||||
+	pdata.nbuttons = 1;
 | 
			
		||||
+
 | 
			
		||||
+	pdev = platform_device_alloc("gpio-keys-polled", 0);
 | 
			
		||||
+	if (!pdev)
 | 
			
		||||
+		goto err_free;
 | 
			
		||||
+
 | 
			
		||||
+	err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
 | 
			
		||||
+	if (err)
 | 
			
		||||
+		goto err_put_pdev;
 | 
			
		||||
+
 | 
			
		||||
+	err = platform_device_add(pdev);
 | 
			
		||||
+	if (err)
 | 
			
		||||
+		goto err_put_pdev;
 | 
			
		||||
+
 | 
			
		||||
+	return 0;
 | 
			
		||||
+
 | 
			
		||||
+err_put_pdev:
 | 
			
		||||
+	platform_device_put(pdev);
 | 
			
		||||
+err_free:
 | 
			
		||||
+	kfree(p);
 | 
			
		||||
+err:
 | 
			
		||||
+	return -ENOMEM;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
+device_initcall(ar231x_init_reset);
 | 
			
		||||
							
								
								
									
										111
									
								
								target/linux/ath25/patches-4.14/220-enet_micrel_workaround.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										111
									
								
								target/linux/ath25/patches-4.14/220-enet_micrel_workaround.patch
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,111 @@
 | 
			
		||||
--- a/drivers/net/ethernet/atheros/ar231x/ar231x.c
 | 
			
		||||
+++ b/drivers/net/ethernet/atheros/ar231x/ar231x.c
 | 
			
		||||
@@ -135,6 +135,7 @@ static int ar231x_mdiobus_write(struct m
 | 
			
		||||
 static int ar231x_mdiobus_reset(struct mii_bus *bus);
 | 
			
		||||
 static int ar231x_mdiobus_probe(struct net_device *dev);
 | 
			
		||||
 static void ar231x_adjust_link(struct net_device *dev);
 | 
			
		||||
+static bool no_phy;
 | 
			
		||||
 
 | 
			
		||||
 #ifndef ERR
 | 
			
		||||
 #define ERR(fmt, args...) printk("%s: " fmt, __func__, ##args)
 | 
			
		||||
@@ -167,6 +168,32 @@ static const struct net_device_ops ar231
 | 
			
		||||
 #endif
 | 
			
		||||
 };
 | 
			
		||||
 
 | 
			
		||||
+static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id)
 | 
			
		||||
+{
 | 
			
		||||
+	int phy_reg;
 | 
			
		||||
+
 | 
			
		||||
+	/**
 | 
			
		||||
+	 * Grab the bits from PHYIR1, and put them
 | 
			
		||||
+	 * in the upper half.
 | 
			
		||||
+	 */
 | 
			
		||||
+	phy_reg = mdiobus_read(bus, addr, MII_PHYSID1);
 | 
			
		||||
+
 | 
			
		||||
+	if (phy_reg < 0)
 | 
			
		||||
+		return -EIO;
 | 
			
		||||
+
 | 
			
		||||
+	*phy_id = (phy_reg & 0xffff) << 16;
 | 
			
		||||
+
 | 
			
		||||
+	/* Grab the bits from PHYIR2, and put them in the lower half */
 | 
			
		||||
+	phy_reg = mdiobus_read(bus, addr, MII_PHYSID2);
 | 
			
		||||
+
 | 
			
		||||
+	if (phy_reg < 0)
 | 
			
		||||
+		return -EIO;
 | 
			
		||||
+
 | 
			
		||||
+	*phy_id |= (phy_reg & 0xffff);
 | 
			
		||||
+
 | 
			
		||||
+	return 0;
 | 
			
		||||
+}
 | 
			
		||||
+
 | 
			
		||||
 static int ar231x_probe(struct platform_device *pdev)
 | 
			
		||||
 {
 | 
			
		||||
 	struct net_device *dev;
 | 
			
		||||
@@ -273,6 +300,24 @@ static int ar231x_probe(struct platform_
 | 
			
		||||
 
 | 
			
		||||
 	mdiobus_register(sp->mii_bus);
 | 
			
		||||
 
 | 
			
		||||
+	/**
 | 
			
		||||
+	 * Workaround for Micrel switch, which is only available on
 | 
			
		||||
+	 * one PHY and cannot be configured through MDIO.
 | 
			
		||||
+	 */
 | 
			
		||||
+	if (!no_phy) {
 | 
			
		||||
+		u32 phy_id = 0;
 | 
			
		||||
+
 | 
			
		||||
+		get_phy_id(sp->mii_bus, 1, &phy_id);
 | 
			
		||||
+		if (phy_id == 0x00221450)
 | 
			
		||||
+			no_phy = true;
 | 
			
		||||
+	}
 | 
			
		||||
+	if (no_phy) {
 | 
			
		||||
+		sp->link = 1;
 | 
			
		||||
+		netif_carrier_on(dev);
 | 
			
		||||
+		return 0;
 | 
			
		||||
+	}
 | 
			
		||||
+	no_phy = true;
 | 
			
		||||
+
 | 
			
		||||
 	if (ar231x_mdiobus_probe(dev) != 0) {
 | 
			
		||||
 		printk(KERN_ERR "%s: mdiobus_probe failed\n", dev->name);
 | 
			
		||||
 		rx_tasklet_cleanup(dev);
 | 
			
		||||
@@ -326,8 +371,10 @@ static int ar231x_remove(struct platform
 | 
			
		||||
 	rx_tasklet_cleanup(dev);
 | 
			
		||||
 	ar231x_init_cleanup(dev);
 | 
			
		||||
 	unregister_netdev(dev);
 | 
			
		||||
-	mdiobus_unregister(sp->mii_bus);
 | 
			
		||||
-	mdiobus_free(sp->mii_bus);
 | 
			
		||||
+	if (sp->mii_bus) {
 | 
			
		||||
+		mdiobus_unregister(sp->mii_bus);
 | 
			
		||||
+		mdiobus_free(sp->mii_bus);
 | 
			
		||||
+	}
 | 
			
		||||
 	kfree(dev);
 | 
			
		||||
 	return 0;
 | 
			
		||||
 }
 | 
			
		||||
@@ -870,7 +917,8 @@ static int ar231x_open(struct net_device
 | 
			
		||||
 
 | 
			
		||||
 	sp->eth_regs->mac_control |= MAC_CONTROL_RE;
 | 
			
		||||
 
 | 
			
		||||
-	phy_start(sp->phy_dev);
 | 
			
		||||
+	if (sp->phy_dev)
 | 
			
		||||
+		phy_start(sp->phy_dev);
 | 
			
		||||
 
 | 
			
		||||
 	return 0;
 | 
			
		||||
 }
 | 
			
		||||
@@ -951,7 +999,8 @@ static int ar231x_close(struct net_devic
 | 
			
		||||
 
 | 
			
		||||
 #endif
 | 
			
		||||
 
 | 
			
		||||
-	phy_stop(sp->phy_dev);
 | 
			
		||||
+	if (sp->phy_dev)
 | 
			
		||||
+		phy_stop(sp->phy_dev);
 | 
			
		||||
 
 | 
			
		||||
 	return 0;
 | 
			
		||||
 }
 | 
			
		||||
@@ -995,6 +1044,9 @@ static int ar231x_ioctl(struct net_devic
 | 
			
		||||
 {
 | 
			
		||||
 	struct ar231x_private *sp = netdev_priv(dev);
 | 
			
		||||
 
 | 
			
		||||
+	if (!sp->phy_dev)
 | 
			
		||||
+		return -ENODEV;
 | 
			
		||||
+
 | 
			
		||||
 	switch (cmd) {
 | 
			
		||||
 	case SIOCGMIIPHY:
 | 
			
		||||
 	case SIOCGMIIREG:
 | 
			
		||||
							
								
								
									
										116
									
								
								target/linux/ath25/patches-4.14/330-board_leds.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										116
									
								
								target/linux/ath25/patches-4.14/330-board_leds.patch
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,116 @@
 | 
			
		||||
--- a/arch/mips/ath25/ar2315.c
 | 
			
		||||
+++ b/arch/mips/ath25/ar2315.c
 | 
			
		||||
@@ -23,6 +23,7 @@
 | 
			
		||||
 #include <linux/reboot.h>
 | 
			
		||||
 #include <linux/delay.h>
 | 
			
		||||
 #include <linux/gpio.h>
 | 
			
		||||
+#include <linux/leds.h>
 | 
			
		||||
 #include <asm/bootinfo.h>
 | 
			
		||||
 #include <asm/reboot.h>
 | 
			
		||||
 #include <asm/time.h>
 | 
			
		||||
@@ -260,6 +261,50 @@ static struct platform_device ar2315_spi
 | 
			
		||||
 	.num_resources = ARRAY_SIZE(ar2315_spiflash_res)
 | 
			
		||||
 };
 | 
			
		||||
 
 | 
			
		||||
+#ifdef CONFIG_LEDS_GPIO
 | 
			
		||||
+static struct gpio_led ar2315_leds[6];
 | 
			
		||||
+static struct gpio_led_platform_data ar2315_led_data = {
 | 
			
		||||
+	.leds = (void *)ar2315_leds,
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static struct platform_device ar2315_gpio_leds = {
 | 
			
		||||
+	.name = "leds-gpio",
 | 
			
		||||
+	.id = -1,
 | 
			
		||||
+	.dev = {
 | 
			
		||||
+		.platform_data = (void *)&ar2315_led_data,
 | 
			
		||||
+	}
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static void __init ar2315_init_gpio_leds(void)
 | 
			
		||||
+{
 | 
			
		||||
+	static char led_names[6][6];
 | 
			
		||||
+	int i, led = 0;
 | 
			
		||||
+
 | 
			
		||||
+	ar2315_led_data.num_leds = 0;
 | 
			
		||||
+	for (i = 1; i < 8; i++) {
 | 
			
		||||
+		if ((i == AR2315_RESET_GPIO) ||
 | 
			
		||||
+		    (i == ath25_board.config->reset_config_gpio))
 | 
			
		||||
+			continue;
 | 
			
		||||
+
 | 
			
		||||
+		if (i == ath25_board.config->sys_led_gpio)
 | 
			
		||||
+			strcpy(led_names[led], "wlan");
 | 
			
		||||
+		else
 | 
			
		||||
+			sprintf(led_names[led], "gpio%d", i);
 | 
			
		||||
+
 | 
			
		||||
+		ar2315_leds[led].name = led_names[led];
 | 
			
		||||
+		ar2315_leds[led].gpio = i;
 | 
			
		||||
+		ar2315_leds[led].active_low = 0;
 | 
			
		||||
+		led++;
 | 
			
		||||
+	}
 | 
			
		||||
+	ar2315_led_data.num_leds = led;
 | 
			
		||||
+	platform_device_register(&ar2315_gpio_leds);
 | 
			
		||||
+}
 | 
			
		||||
+#else
 | 
			
		||||
+static inline void ar2315_init_gpio_leds(void)
 | 
			
		||||
+{
 | 
			
		||||
+}
 | 
			
		||||
+#endif
 | 
			
		||||
+
 | 
			
		||||
 void __init ar2315_init_devices(void)
 | 
			
		||||
 {
 | 
			
		||||
 	/* Find board configuration */
 | 
			
		||||
@@ -270,6 +315,8 @@ void __init ar2315_init_devices(void)
 | 
			
		||||
 	ar2315_gpio_res[1].end = ar2315_gpio_res[1].start;
 | 
			
		||||
 	platform_device_register(&ar2315_gpio);
 | 
			
		||||
 
 | 
			
		||||
+	ar2315_init_gpio_leds();
 | 
			
		||||
+
 | 
			
		||||
 	ar2315_wdt_res[1].start = irq_create_mapping(ar2315_misc_irq_domain,
 | 
			
		||||
 						     AR2315_MISC_IRQ_WATCHDOG);
 | 
			
		||||
 	ar2315_wdt_res[1].end = ar2315_wdt_res[1].start;
 | 
			
		||||
--- a/arch/mips/ath25/ar5312.c
 | 
			
		||||
+++ b/arch/mips/ath25/ar5312.c
 | 
			
		||||
@@ -23,6 +23,7 @@
 | 
			
		||||
 #include <linux/mtd/physmap.h>
 | 
			
		||||
 #include <linux/reboot.h>
 | 
			
		||||
 #include <linux/gpio.h>
 | 
			
		||||
+#include <linux/leds.h>
 | 
			
		||||
 #include <asm/bootinfo.h>
 | 
			
		||||
 #include <asm/reboot.h>
 | 
			
		||||
 #include <asm/time.h>
 | 
			
		||||
@@ -231,6 +232,23 @@ static struct platform_device ar5312_gpi
 | 
			
		||||
 	.num_resources = ARRAY_SIZE(ar5312_gpio_res),
 | 
			
		||||
 };
 | 
			
		||||
 
 | 
			
		||||
+#ifdef CONFIG_LEDS_GPIO
 | 
			
		||||
+static struct gpio_led ar5312_leds[] = {
 | 
			
		||||
+	{ .name = "wlan", .gpio = 0, .active_low = 1, },
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static const struct gpio_led_platform_data ar5312_led_data = {
 | 
			
		||||
+	.num_leds = ARRAY_SIZE(ar5312_leds),
 | 
			
		||||
+	.leds = (void *)ar5312_leds,
 | 
			
		||||
+};
 | 
			
		||||
+
 | 
			
		||||
+static struct platform_device ar5312_gpio_leds = {
 | 
			
		||||
+	.name = "leds-gpio",
 | 
			
		||||
+	.id = -1,
 | 
			
		||||
+	.dev.platform_data = (void *)&ar5312_led_data,
 | 
			
		||||
+};
 | 
			
		||||
+#endif
 | 
			
		||||
+
 | 
			
		||||
 static void __init ar5312_flash_init(void)
 | 
			
		||||
 {
 | 
			
		||||
 	void __iomem *flashctl_base;
 | 
			
		||||
@@ -301,6 +319,11 @@ void __init ar5312_init_devices(void)
 | 
			
		||||
 
 | 
			
		||||
 	platform_device_register(&ar5312_gpio);
 | 
			
		||||
 
 | 
			
		||||
+#ifdef CONFIG_LEDS_GPIO
 | 
			
		||||
+	ar5312_leds[0].gpio = config->sys_led_gpio;
 | 
			
		||||
+	platform_device_register(&ar5312_gpio_leds);
 | 
			
		||||
+#endif
 | 
			
		||||
+
 | 
			
		||||
 	/* Fix up MAC addresses if necessary */
 | 
			
		||||
 	if (is_broadcast_ether_addr(config->enet0_mac))
 | 
			
		||||
 		ether_addr_copy(config->enet0_mac, config->enet1_mac);
 | 
			
		||||
		Reference in New Issue
	
	Block a user