atheros: add working patches/config for 2.6.30
SVN-Revision: 16288
This commit is contained in:
		
							
								
								
									
										164
									
								
								target/linux/atheros/config-2.6.30
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										164
									
								
								target/linux/atheros/config-2.6.30
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,164 @@
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					CONFIG_32BIT=y
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					# CONFIG_64BIT is not set
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					CONFIG_ADM6996_PHY=y
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					CONFIG_AR231X_ETHERNET=y
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					CONFIG_AR8216_PHY=y
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					# CONFIG_ARCH_HAS_ILOG2_U32 is not set
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					# CONFIG_ARCH_HAS_ILOG2_U64 is not set
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					CONFIG_ARCH_POPULATES_NODE_MAP=y
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					# CONFIG_ARCH_SUPPORTS_MSI is not set
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					CONFIG_ARCH_SUPPORTS_OPROFILE=y
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					CONFIG_ARCH_SUSPEND_POSSIBLE=y
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					CONFIG_ATHEROS=y
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					CONFIG_ATHEROS_AR2315=y
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					CONFIG_ATHEROS_AR2315_PCI=y
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					CONFIG_ATHEROS_AR5312=y
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					CONFIG_ATHEROS_WDT=y
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					CONFIG_BASE_SMALL=0
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					# CONFIG_BCM47XX is not set
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					# CONFIG_BINARY_PRINTF is not set
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					CONFIG_BITREVERSE=y
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					# CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set
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					# CONFIG_CAVIUM_OCTEON_SIMULATOR is not set
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					CONFIG_CEVT_R4K=y
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					CONFIG_CEVT_R4K_LIB=y
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					CONFIG_CMDLINE="console=ttyS0,9600 rootfstype=squashfs,jffs2"
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					CONFIG_CPU_BIG_ENDIAN=y
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					# CONFIG_CPU_CAVIUM_OCTEON is not set
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					CONFIG_CPU_HAS_LLSC=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_LITTLE_ENDIAN is not set
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					# CONFIG_CPU_LOONGSON2 is not set
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					CONFIG_CPU_MIPS32=y
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					CONFIG_CPU_MIPS32_R1=y
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					# CONFIG_CPU_MIPS32_R2 is not set
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					# CONFIG_CPU_MIPS64_R1 is not set
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					# CONFIG_CPU_MIPS64_R2 is not set
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					CONFIG_CPU_MIPSR1=y
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					# CONFIG_CPU_NEVADA is not set
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					# CONFIG_CPU_R10000 is not set
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					# CONFIG_CPU_R3000 is not set
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					# CONFIG_CPU_R4300 is not set
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					# CONFIG_CPU_R4X00 is not set
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					# CONFIG_CPU_R5000 is not set
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					# CONFIG_CPU_R5432 is not set
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					# CONFIG_CPU_R5500 is not set
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					# CONFIG_CPU_R6000 is not set
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					# CONFIG_CPU_R8000 is not set
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					# CONFIG_CPU_RM7000 is not set
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					# CONFIG_CPU_RM9000 is not set
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					# CONFIG_CPU_SB1 is not set
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					CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
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					CONFIG_CPU_SUPPORTS_HIGHMEM=y
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					# CONFIG_CPU_TX39XX is not set
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					# CONFIG_CPU_TX49XX is not set
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					# CONFIG_CPU_VR41XX is not set
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					CONFIG_CRYPTO_AEAD2=y
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					CONFIG_CRYPTO_BLKCIPHER2=y
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					CONFIG_CRYPTO_HASH2=y
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					CONFIG_CRYPTO_MANAGER2=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_CSRC_R4K_LIB=y
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					CONFIG_DECOMPRESS_LZMA=y
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					CONFIG_DEVPORT=y
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					# CONFIG_DM9000 is not set
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					CONFIG_DMA_NEED_PCI_MAP_STATE=y
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					CONFIG_DMA_NONCOHERENT=y
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					CONFIG_GENERIC_CLOCKEVENTS=y
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					CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
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					CONFIG_GENERIC_CMOS_UPDATE=y
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					CONFIG_GENERIC_FIND_LAST_BIT=y
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					CONFIG_GENERIC_FIND_NEXT_BIT=y
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					CONFIG_GENERIC_GPIO=y
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					CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
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					CONFIG_GPIO_DEVICE=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=y
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					CONFIG_HAVE_ARCH_KGDB=y
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					# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
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					CONFIG_HAVE_IDE=y
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					CONFIG_HAVE_MLOCK=y
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					CONFIG_HAVE_OPROFILE=y
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					CONFIG_HW_HAS_PCI=y
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					CONFIG_HW_RANDOM=y
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					# CONFIG_I2C is not set
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					CONFIG_INITRAMFS_SOURCE=""
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					CONFIG_IP175C_PHY=y
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					CONFIG_IRQ_CPU=y
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					# CONFIG_ISDN is not set
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					CONFIG_LEDS_GPIO=y
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					# CONFIG_LEMOTE_FULONG is not set
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					# CONFIG_MACH_ALCHEMY is not set
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					# CONFIG_MACH_DECSTATION is not set
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					# CONFIG_MACH_JAZZ is not set
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					# CONFIG_MACH_TX39XX is not set
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					# CONFIG_MACH_TX49XX is not set
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					# CONFIG_MACH_VR41XX is not set
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					# CONFIG_MIKROTIK_RB532 is not set
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					CONFIG_MIPS=y
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					# CONFIG_MIPS_COBALT 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_MIPS_MALTA is not set
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					CONFIG_MIPS_MT_DISABLED=y
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					# CONFIG_MIPS_MT_SMP is not set
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					# CONFIG_MIPS_MT_SMTC is not set
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					# CONFIG_MIPS_SIM is not set
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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_NET_PCI is not set
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					# CONFIG_NO_IOPORT is not set
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					# CONFIG_NXP_STB220 is not set
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					# CONFIG_NXP_STB225 is not set
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					CONFIG_PAGEFLAGS_EXTENDED=y
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					CONFIG_PCI=y
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					CONFIG_PCI_DOMAINS=y
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					# CONFIG_PCI_STUB is not set
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					# CONFIG_PCSPKR_PLATFORM is not set
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					CONFIG_PHYLIB=y
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					# CONFIG_PMC_MSP is not set
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					# CONFIG_PMC_YOSEMITE is not set
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					# CONFIG_PNX8550_JBS is not set
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					# CONFIG_PNX8550_STB810 is not set
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					# CONFIG_PROBE_INITRD_HEADER is not set
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					# CONFIG_PROM_EMU is not set
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					CONFIG_SCHED_OMIT_FRAME_POINTER=y
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					# CONFIG_SCSI_DMA is not set
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					# CONFIG_SERIAL_8250_EXTENDED 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_SGI_IP22 is not set
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					# CONFIG_SGI_IP27 is not set
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					# CONFIG_SGI_IP28 is not set
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					# CONFIG_SGI_IP32 is not set
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					# CONFIG_SIBYTE_BIGSUR is not set
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					# CONFIG_SIBYTE_CARMEL is not set
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					# CONFIG_SIBYTE_CRHINE is not set
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					# CONFIG_SIBYTE_CRHONE is not set
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					# CONFIG_SIBYTE_LITTLESUR is not set
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					# CONFIG_SIBYTE_RHONE is not set
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					# CONFIG_SIBYTE_SENTOSA is not set
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					# CONFIG_SIBYTE_SWARM is not set
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					# CONFIG_SLOW_WORK is not set
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					CONFIG_SWCONFIG=y
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					CONFIG_SYS_HAS_CPU_MIPS32_R1=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_ONESHOT=y
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					CONFIG_TRACING_SUPPORT=y
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					CONFIG_TRAD_SIGNALS=y
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					CONFIG_USB_SUPPORT=y
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					CONFIG_ZONE_DMA_FLAG=0
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@@ -0,0 +1,39 @@
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					Fix the usage of get_c0_compare_int: override cp0_compare_irq if the returned
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					value is in the MIPS CPU IRQ range to ensure that c0_compare_int_usable()
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					still works.
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					Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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					--- a/arch/mips/kernel/cevt-r4k.c
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					+++ b/arch/mips/kernel/cevt-r4k.c
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					@@ -167,20 +167,23 @@ int __cpuinit r4k_clockevent_init(void)
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					 	struct clock_event_device *cd;
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					 	unsigned int irq;
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					-	if (!cpu_has_counter || !mips_hpt_frequency)
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					-		return -ENXIO;
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					-
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					-	if (!c0_compare_int_usable())
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					-		return -ENXIO;
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					-
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					 	/*
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					 	 * With vectored interrupts things are getting platform specific.
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					 	 * get_c0_compare_int is a hook to allow a platform to return the
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					 	 * interrupt number of it's liking.
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					 	 */
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					 	irq = MIPS_CPU_IRQ_BASE + cp0_compare_irq;
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					-	if (get_c0_compare_int)
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					+	if (get_c0_compare_int) {
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					 		irq = get_c0_compare_int();
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					+		if ((irq >= MIPS_CPU_IRQ_BASE) && (irq < MIPS_CPU_IRQ_BASE + 8))
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					+			cp0_compare_irq = irq - MIPS_CPU_IRQ_BASE;
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					+	}
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					+
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					+	if (!cpu_has_counter || !mips_hpt_frequency)
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					+		return -ENXIO;
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					+
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					+	if (!c0_compare_int_usable())
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					+		return -ENXIO;
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					 	cd = &per_cpu(mips_clockevent_device, cpu);
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@@ -0,0 +1,56 @@
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					--- a/arch/mips/kernel/cevt-r4k.c
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					+++ b/arch/mips/kernel/cevt-r4k.c
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					@@ -15,6 +15,22 @@
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					 #include <asm/cevt-r4k.h>
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					 /*
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					+ * Compare interrupt can be routed and latched outside the core,
 | 
				
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					+ * so a single execution hazard barrier may not be enough to give
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					+ * it time to clear as seen in the Cause register.  4 time the
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					+ * pipeline depth seems reasonably conservative, and empirically
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					+ * works better in configurations with high CPU/bus clock ratios.
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					+ */
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					+
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					+#define compare_change_hazard() \
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					+	do { \
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					+		irq_disable_hazard(); \
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					+		irq_disable_hazard(); \
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					+		irq_disable_hazard(); \
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					+		irq_disable_hazard(); \
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					+	} while (0)
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					+
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					+/*
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					  * The SMTC Kernel for the 34K, 1004K, et. al. replaces several
 | 
				
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					  * of these routines with SMTC-specific variants.
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					  */
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					@@ -30,6 +46,7 @@ static int mips_next_event(unsigned long
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					 	cnt = read_c0_count();
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					 	cnt += delta;
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					 	write_c0_compare(cnt);
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					+	compare_change_hazard();
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					 	res = ((int)(read_c0_count() - cnt) > 0) ? -ETIME : 0;
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					 	return res;
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					 }
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					@@ -99,22 +116,6 @@ static int c0_compare_int_pending(void)
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					 	return (read_c0_cause() >> cp0_compare_irq) & 0x100;
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					 }
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					-/*
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					- * Compare interrupt can be routed and latched outside the core,
 | 
				
			||||||
 | 
					- * so a single execution hazard barrier may not be enough to give
 | 
				
			||||||
 | 
					- * it time to clear as seen in the Cause register.  4 time the
 | 
				
			||||||
 | 
					- * pipeline depth seems reasonably conservative, and empirically
 | 
				
			||||||
 | 
					- * works better in configurations with high CPU/bus clock ratios.
 | 
				
			||||||
 | 
					- */
 | 
				
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 | 
					-
 | 
				
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 | 
					-#define compare_change_hazard() \
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 | 
					-	do { \
 | 
				
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 | 
					-		irq_disable_hazard(); \
 | 
				
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 | 
					-		irq_disable_hazard(); \
 | 
				
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 | 
					-		irq_disable_hazard(); \
 | 
				
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 | 
					-		irq_disable_hazard(); \
 | 
				
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 | 
					-	} while (0)
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 | 
					-
 | 
				
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 | 
					 int c0_compare_int_usable(void)
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 | 
					 {
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 | 
					 	unsigned int delta;
 | 
				
			||||||
							
								
								
									
										3106
									
								
								target/linux/atheros/patches-2.6.30/100-board.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										3106
									
								
								target/linux/atheros/patches-2.6.30/100-board.patch
									
									
									
									
									
										Normal file
									
								
							
										
											
												File diff suppressed because it is too large
												Load Diff
											
										
									
								
							
							
								
								
									
										297
									
								
								target/linux/atheros/patches-2.6.30/105-ar2315_pci.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										297
									
								
								target/linux/atheros/patches-2.6.30/105-ar2315_pci.patch
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,297 @@
 | 
				
			|||||||
 | 
					--- a/arch/mips/ar231x/Makefile
 | 
				
			||||||
 | 
					+++ b/arch/mips/ar231x/Makefile
 | 
				
			||||||
 | 
					@@ -11,3 +11,4 @@
 | 
				
			||||||
 | 
					 obj-y += board.o prom.o devices.o
 | 
				
			||||||
 | 
					 obj-$(CONFIG_ATHEROS_AR5312) += ar5312.o
 | 
				
			||||||
 | 
					 obj-$(CONFIG_ATHEROS_AR2315) += ar2315.o
 | 
				
			||||||
 | 
					+obj-$(CONFIG_ATHEROS_AR2315_PCI) += pci.o
 | 
				
			||||||
 | 
					--- /dev/null
 | 
				
			||||||
 | 
					+++ b/arch/mips/ar231x/pci.c
 | 
				
			||||||
 | 
					@@ -0,0 +1,230 @@
 | 
				
			||||||
 | 
					+/*
 | 
				
			||||||
 | 
					+ * 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, write to the Free Software
 | 
				
			||||||
 | 
					+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 | 
				
			||||||
 | 
					+ */
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+#include <linux/types.h>
 | 
				
			||||||
 | 
					+#include <linux/pci.h>
 | 
				
			||||||
 | 
					+#include <linux/kernel.h>
 | 
				
			||||||
 | 
					+#include <linux/init.h>
 | 
				
			||||||
 | 
					+#include <linux/mm.h>
 | 
				
			||||||
 | 
					+#include <linux/spinlock.h>
 | 
				
			||||||
 | 
					+#include <linux/delay.h>
 | 
				
			||||||
 | 
					+#include <linux/irq.h>
 | 
				
			||||||
 | 
					+#include <asm/bootinfo.h>
 | 
				
			||||||
 | 
					+#include <asm/paccess.h>
 | 
				
			||||||
 | 
					+#include <asm/irq_cpu.h>
 | 
				
			||||||
 | 
					+#include <asm/io.h>
 | 
				
			||||||
 | 
					+#include <ar231x_platform.h>
 | 
				
			||||||
 | 
					+#include <ar231x.h>
 | 
				
			||||||
 | 
					+#include <ar2315_regs.h>
 | 
				
			||||||
 | 
					+#include "devices.h"
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+#define AR531X_MEM_BASE    0x80800000UL
 | 
				
			||||||
 | 
					+#define AR531X_MEM_SIZE    0x00ffffffUL
 | 
				
			||||||
 | 
					+#define AR531X_IO_SIZE     0x00007fffUL
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static unsigned long configspace;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static int config_access(int devfn, int where, int size, u32 *ptr, bool write)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	unsigned long flags;
 | 
				
			||||||
 | 
					+	int func = PCI_FUNC(devfn);
 | 
				
			||||||
 | 
					+	int dev = PCI_SLOT(devfn);
 | 
				
			||||||
 | 
					+	u32 value = 0;
 | 
				
			||||||
 | 
					+	int err = 0;
 | 
				
			||||||
 | 
					+	u32 addr;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	if (((dev != 0) && (dev != 3)) || (func > 2))
 | 
				
			||||||
 | 
					+		return PCIBIOS_DEVICE_NOT_FOUND;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	/* Select Configuration access */
 | 
				
			||||||
 | 
					+	local_irq_save(flags);
 | 
				
			||||||
 | 
					+	ar231x_mask_reg(AR2315_PCI_MISC_CONFIG, 0, AR2315_PCIMISC_CFG_SEL);
 | 
				
			||||||
 | 
					+	mb();
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	addr = (u32) configspace + (1 << (13 + dev)) + (func << 8) + where;
 | 
				
			||||||
 | 
					+	if (size == 1)
 | 
				
			||||||
 | 
					+		addr ^= 0x3;
 | 
				
			||||||
 | 
					+	else if (size == 2)
 | 
				
			||||||
 | 
					+		addr ^= 0x2;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	if (write) {
 | 
				
			||||||
 | 
					+		value = *ptr;
 | 
				
			||||||
 | 
					+		if (size == 1)
 | 
				
			||||||
 | 
					+			err = put_dbe(value, (u8 *) addr);
 | 
				
			||||||
 | 
					+		else if (size == 2)
 | 
				
			||||||
 | 
					+			err = put_dbe(value, (u16 *) addr);
 | 
				
			||||||
 | 
					+		else if (size == 4)
 | 
				
			||||||
 | 
					+			err = put_dbe(value, (u32 *) addr);
 | 
				
			||||||
 | 
					+	} else {
 | 
				
			||||||
 | 
					+		if (size == 1)
 | 
				
			||||||
 | 
					+			err = get_dbe(value, (u8 *) addr);
 | 
				
			||||||
 | 
					+		else if (size == 2)
 | 
				
			||||||
 | 
					+			err = get_dbe(value, (u16 *) addr);
 | 
				
			||||||
 | 
					+		else if (size == 4)
 | 
				
			||||||
 | 
					+			err = get_dbe(value, (u32 *) addr);
 | 
				
			||||||
 | 
					+		if (err)
 | 
				
			||||||
 | 
					+			*ptr = 0xffffffff;
 | 
				
			||||||
 | 
					+		else
 | 
				
			||||||
 | 
					+			*ptr = value;
 | 
				
			||||||
 | 
					+	}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	/* Select Memory access */
 | 
				
			||||||
 | 
					+	ar231x_mask_reg(AR2315_PCI_MISC_CONFIG, AR2315_PCIMISC_CFG_SEL, 0);
 | 
				
			||||||
 | 
					+	local_irq_restore(flags);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	return (err ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static int ar231x_pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 * value)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	return config_access(devfn, where, size, value, 0);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static int ar231x_pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	return config_access(devfn, where, size, &value, 1);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+struct pci_ops ar231x_pci_ops = {
 | 
				
			||||||
 | 
					+	.read	= ar231x_pci_read,
 | 
				
			||||||
 | 
					+	.write	= ar231x_pci_write,
 | 
				
			||||||
 | 
					+};
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static struct resource ar231x_mem_resource = {
 | 
				
			||||||
 | 
					+	.name	= "AR531x PCI MEM",
 | 
				
			||||||
 | 
					+	.start	= AR531X_MEM_BASE,
 | 
				
			||||||
 | 
					+	.end	= AR531X_MEM_BASE + AR531X_MEM_SIZE - AR531X_IO_SIZE - 1 + 0x4000000,
 | 
				
			||||||
 | 
					+	.flags	= IORESOURCE_MEM,
 | 
				
			||||||
 | 
					+};
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static struct resource ar231x_io_resource = {
 | 
				
			||||||
 | 
					+	.name	= "AR531x PCI I/O",
 | 
				
			||||||
 | 
					+	.start	= AR531X_MEM_BASE + AR531X_MEM_SIZE - AR531X_IO_SIZE,
 | 
				
			||||||
 | 
					+	.end	= AR531X_MEM_BASE + AR531X_MEM_SIZE - 1,
 | 
				
			||||||
 | 
					+	.flags	= IORESOURCE_IO,
 | 
				
			||||||
 | 
					+};
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+struct pci_controller ar231x_pci_controller = {
 | 
				
			||||||
 | 
					+	.pci_ops		= &ar231x_pci_ops,
 | 
				
			||||||
 | 
					+	.mem_resource	= &ar231x_mem_resource,
 | 
				
			||||||
 | 
					+	.io_resource	= &ar231x_io_resource,
 | 
				
			||||||
 | 
					+	.mem_offset     = 0x00000000UL,
 | 
				
			||||||
 | 
					+	.io_offset      = 0x00000000UL,
 | 
				
			||||||
 | 
					+};
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	return AR2315_IRQ_LCBUS_PCI;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+int pcibios_plat_dev_init(struct pci_dev *dev)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 5);
 | 
				
			||||||
 | 
					+	pci_write_config_word(dev, 0x40, 0);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	/* Clear any pending Abort or external Interrupts
 | 
				
			||||||
 | 
					+	 * and enable interrupt processing */
 | 
				
			||||||
 | 
					+	ar231x_mask_reg(AR2315_PCI_INTEN_REG, AR2315_PCI_INT_ENABLE, 0);
 | 
				
			||||||
 | 
					+	ar231x_write_reg(AR2315_PCI_INT_STATUS, (AR2315_PCI_ABORT_INT | AR2315_PCI_EXT_INT));
 | 
				
			||||||
 | 
					+	ar231x_write_reg(AR2315_PCI_INT_MASK, (AR2315_PCI_ABORT_INT | AR2315_PCI_EXT_INT));
 | 
				
			||||||
 | 
					+	ar231x_mask_reg(AR2315_PCI_INTEN_REG, 0, AR2315_PCI_INT_ENABLE);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	return 0;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static void
 | 
				
			||||||
 | 
					+ar2315_pci_fixup(struct pci_dev *dev)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	unsigned int devfn = dev->devfn;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	if (dev->bus->number != 0)
 | 
				
			||||||
 | 
					+		return;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	/* Only fix up the PCI host settings */
 | 
				
			||||||
 | 
					+	if ((PCI_SLOT(devfn) != 3) || (PCI_FUNC(devfn) != 0))
 | 
				
			||||||
 | 
					+		return;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	/* Fix up MBARs */
 | 
				
			||||||
 | 
					+	pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, HOST_PCI_MBAR0);
 | 
				
			||||||
 | 
					+	pci_write_config_dword(dev, PCI_BASE_ADDRESS_1, HOST_PCI_MBAR1);
 | 
				
			||||||
 | 
					+	pci_write_config_dword(dev, PCI_BASE_ADDRESS_2, HOST_PCI_MBAR2);
 | 
				
			||||||
 | 
					+	pci_write_config_dword(dev, PCI_COMMAND,
 | 
				
			||||||
 | 
					+		PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_SPECIAL |
 | 
				
			||||||
 | 
					+		PCI_COMMAND_INVALIDATE | PCI_COMMAND_PARITY | PCI_COMMAND_SERR |
 | 
				
			||||||
 | 
					+		PCI_COMMAND_FAST_BACK);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, ar2315_pci_fixup);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static int __init
 | 
				
			||||||
 | 
					+ar2315_pci_init(void)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	u32 reg;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	if (ar231x_devtype != DEV_TYPE_AR2315)
 | 
				
			||||||
 | 
					+		return -ENODEV;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	configspace = (unsigned long) ioremap_nocache(0x80000000, 1*1024*1024); /* Remap PCI config space */
 | 
				
			||||||
 | 
					+	ar231x_pci_controller.io_map_base =
 | 
				
			||||||
 | 
					+		(unsigned long) ioremap_nocache(AR531X_MEM_BASE + AR531X_MEM_SIZE, AR531X_IO_SIZE);
 | 
				
			||||||
 | 
					+	set_io_port_base(ar231x_pci_controller.io_map_base); /* PCI I/O space */
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	reg = ar231x_mask_reg(AR2315_RESET, 0, AR2315_RESET_PCIDMA);
 | 
				
			||||||
 | 
					+	msleep(10);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	reg &= ~AR2315_RESET_PCIDMA;
 | 
				
			||||||
 | 
					+	ar231x_write_reg(AR2315_RESET, reg);
 | 
				
			||||||
 | 
					+	msleep(10);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	ar231x_mask_reg(AR2315_ENDIAN_CTL, 0,
 | 
				
			||||||
 | 
					+		AR2315_CONFIG_PCIAHB | AR2315_CONFIG_PCIAHB_BRIDGE);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	ar231x_write_reg(AR2315_PCICLK, AR2315_PCICLK_PLLC_CLKM |
 | 
				
			||||||
 | 
					+		(AR2315_PCICLK_IN_FREQ_DIV_6 << AR2315_PCICLK_DIV_S));
 | 
				
			||||||
 | 
					+	ar231x_mask_reg(AR2315_AHB_ARB_CTL, 0, AR2315_ARB_PCI);
 | 
				
			||||||
 | 
					+	ar231x_mask_reg(AR2315_IF_CTL, AR2315_IF_PCI_CLK_MASK | AR2315_IF_MASK,
 | 
				
			||||||
 | 
					+		AR2315_IF_PCI | AR2315_IF_PCI_HOST | AR2315_IF_PCI_INTR |
 | 
				
			||||||
 | 
					+		 (AR2315_IF_PCI_CLK_OUTPUT_CLK << AR2315_IF_PCI_CLK_SHIFT));
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	/* Reset the PCI bus by setting bits 5-4 in PCI_MCFG */
 | 
				
			||||||
 | 
					+	ar231x_mask_reg(AR2315_PCI_MISC_CONFIG, AR2315_PCIMISC_RST_MODE,
 | 
				
			||||||
 | 
					+		AR2315_PCIRST_LOW);
 | 
				
			||||||
 | 
					+	msleep(100);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	/* Bring the PCI out of reset */
 | 
				
			||||||
 | 
					+	ar231x_mask_reg(AR2315_PCI_MISC_CONFIG, AR2315_PCIMISC_RST_MODE,
 | 
				
			||||||
 | 
					+		AR2315_PCIRST_HIGH | AR2315_PCICACHE_DIS | 0x8);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	ar231x_write_reg(AR2315_PCI_UNCACHE_CFG,
 | 
				
			||||||
 | 
					+			0x1E | /* 1GB uncached */
 | 
				
			||||||
 | 
					+			(1 << 5) | /* Enable uncached */
 | 
				
			||||||
 | 
					+			(0x2 << 30) /* Base: 0x80000000 */
 | 
				
			||||||
 | 
					+	);
 | 
				
			||||||
 | 
					+	ar231x_read_reg(AR2315_PCI_UNCACHE_CFG);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	msleep(500);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	/* dirty hack - anyone with a datasheet that knows the memory map ? */
 | 
				
			||||||
 | 
					+	ioport_resource.start = 0x10000000;
 | 
				
			||||||
 | 
					+	ioport_resource.end = 0xffffffff;
 | 
				
			||||||
 | 
					+	iomem_resource.start = 0x10000000;
 | 
				
			||||||
 | 
					+	iomem_resource.end = 0xffffffff;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	register_pci_controller(&ar231x_pci_controller);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	return 0;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+arch_initcall(ar2315_pci_init);
 | 
				
			||||||
 | 
					--- a/arch/mips/ar231x/Kconfig
 | 
				
			||||||
 | 
					+++ b/arch/mips/ar231x/Kconfig
 | 
				
			||||||
 | 
					@@ -15,3 +15,13 @@ config ATHEROS_AR2315
 | 
				
			||||||
 | 
					 	select SYS_SUPPORTS_BIG_ENDIAN
 | 
				
			||||||
 | 
					 	select GENERIC_GPIO
 | 
				
			||||||
 | 
					 	default y
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+config ATHEROS_AR2315_PCI
 | 
				
			||||||
 | 
					+	bool "PCI support"
 | 
				
			||||||
 | 
					+	depends on ATHEROS_AR2315
 | 
				
			||||||
 | 
					+	select HW_HAS_PCI
 | 
				
			||||||
 | 
					+	select PCI
 | 
				
			||||||
 | 
					+	select USB_ARCH_HAS_HCD
 | 
				
			||||||
 | 
					+	select USB_ARCH_HAS_OHCI
 | 
				
			||||||
 | 
					+	select USB_ARCH_HAS_EHCI
 | 
				
			||||||
 | 
					+	default y
 | 
				
			||||||
 | 
					--- a/arch/mips/ar231x/ar2315.c
 | 
				
			||||||
 | 
					+++ b/arch/mips/ar231x/ar2315.c
 | 
				
			||||||
 | 
					@@ -59,6 +59,27 @@ static inline void ar2315_gpio_irq(void)
 | 
				
			||||||
 | 
					 		do_IRQ(AR531X_GPIO_IRQ_BASE + bit);
 | 
				
			||||||
 | 
					 }
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					+#ifdef CONFIG_ATHEROS_AR2315_PCI
 | 
				
			||||||
 | 
					+static inline void pci_abort_irq(void)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	ar231x_write_reg(AR2315_PCI_INT_STATUS, AR2315_PCI_ABORT_INT);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static inline void pci_ack_irq(void)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	ar231x_write_reg(AR2315_PCI_INT_STATUS, AR2315_PCI_EXT_INT);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+void ar2315_pci_irq(int irq)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	if (ar231x_read_reg(AR2315_PCI_INT_STATUS) == AR2315_PCI_ABORT_INT)
 | 
				
			||||||
 | 
					+		pci_abort_irq();
 | 
				
			||||||
 | 
					+	else {
 | 
				
			||||||
 | 
					+		do_IRQ(irq);
 | 
				
			||||||
 | 
					+		pci_ack_irq();
 | 
				
			||||||
 | 
					+	}
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+#endif /* CONFIG_ATHEROS_AR2315_PCI */
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					 /*
 | 
				
			||||||
 | 
					  * Called when an interrupt is received, this function
 | 
				
			||||||
 | 
					@@ -77,6 +98,10 @@ ar2315_irq_dispatch(void)
 | 
				
			||||||
 | 
					 		do_IRQ(AR2315_IRQ_WLAN0_INTRS);
 | 
				
			||||||
 | 
					 	else if (pending & CAUSEF_IP4)
 | 
				
			||||||
 | 
					 		do_IRQ(AR2315_IRQ_ENET0_INTRS);
 | 
				
			||||||
 | 
					+#ifdef CONFIG_ATHEROS_AR2315_PCI
 | 
				
			||||||
 | 
					+	else if (pending & CAUSEF_IP5)
 | 
				
			||||||
 | 
					+		ar2315_pci_irq(AR2315_IRQ_LCBUS_PCI);
 | 
				
			||||||
 | 
					+#endif
 | 
				
			||||||
 | 
					 	else if (pending & CAUSEF_IP2) {
 | 
				
			||||||
 | 
					 		unsigned int misc_intr = ar231x_read_reg(AR2315_ISR) & ar231x_read_reg(AR2315_IMR);
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
							
								
								
									
										1596
									
								
								target/linux/atheros/patches-2.6.30/110-ar2313_ethernet.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										1596
									
								
								target/linux/atheros/patches-2.6.30/110-ar2313_ethernet.patch
									
									
									
									
									
										Normal file
									
								
							
										
											
												File diff suppressed because it is too large
												Load Diff
											
										
									
								
							
							
								
								
									
										660
									
								
								target/linux/atheros/patches-2.6.30/120-spiflash.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										660
									
								
								target/linux/atheros/patches-2.6.30/120-spiflash.patch
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,660 @@
 | 
				
			|||||||
 | 
					--- a/drivers/mtd/devices/Kconfig
 | 
				
			||||||
 | 
					+++ b/drivers/mtd/devices/Kconfig
 | 
				
			||||||
 | 
					@@ -104,6 +104,10 @@ config M25PXX_USE_FAST_READ
 | 
				
			||||||
 | 
					 	help
 | 
				
			||||||
 | 
					 	  This option enables FAST_READ access supported by ST M25Pxx.
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					+config MTD_AR2315
 | 
				
			||||||
 | 
					+	tristate "Atheros AR2315+ SPI Flash support"
 | 
				
			||||||
 | 
					+	depends on ATHEROS_AR2315
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					 config MTD_SLRAM
 | 
				
			||||||
 | 
					 	tristate "Uncached system RAM"
 | 
				
			||||||
 | 
					 	help
 | 
				
			||||||
 | 
					--- a/drivers/mtd/devices/Makefile
 | 
				
			||||||
 | 
					+++ b/drivers/mtd/devices/Makefile
 | 
				
			||||||
 | 
					@@ -16,3 +16,4 @@ obj-$(CONFIG_MTD_LART)		+= lart.o
 | 
				
			||||||
 | 
					 obj-$(CONFIG_MTD_BLOCK2MTD)	+= block2mtd.o
 | 
				
			||||||
 | 
					 obj-$(CONFIG_MTD_DATAFLASH)	+= mtd_dataflash.o
 | 
				
			||||||
 | 
					 obj-$(CONFIG_MTD_M25P80)	+= m25p80.o
 | 
				
			||||||
 | 
					+obj-$(CONFIG_MTD_AR2315)	+= ar2315.o
 | 
				
			||||||
 | 
					--- /dev/null
 | 
				
			||||||
 | 
					+++ b/drivers/mtd/devices/ar2315.c
 | 
				
			||||||
 | 
					@@ -0,0 +1,518 @@
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+/*
 | 
				
			||||||
 | 
					+ * 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@openwrt.org>
 | 
				
			||||||
 | 
					+ *
 | 
				
			||||||
 | 
					+ * 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/version.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/root_dev.h>
 | 
				
			||||||
 | 
					+#include <linux/delay.h>
 | 
				
			||||||
 | 
					+#include <asm/delay.h>
 | 
				
			||||||
 | 
					+#include <asm/io.h>
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+#include <ar2315_spiflash.h>
 | 
				
			||||||
 | 
					+#include <ar231x_platform.h>
 | 
				
			||||||
 | 
					+#include <ar231x.h>
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+#define SPIFLASH "spiflash: "
 | 
				
			||||||
 | 
					+#define busy_wait(_priv, _condition, _wait) do { \
 | 
				
			||||||
 | 
					+	while (_condition) { \
 | 
				
			||||||
 | 
					+		spin_unlock_bh(&_priv->lock); \
 | 
				
			||||||
 | 
					+		if (_wait > 1) \
 | 
				
			||||||
 | 
					+			msleep(_wait); \
 | 
				
			||||||
 | 
					+		else if ((_wait == 1) && need_resched()) \
 | 
				
			||||||
 | 
					+			schedule(); \
 | 
				
			||||||
 | 
					+		else \
 | 
				
			||||||
 | 
					+			udelay(1); \
 | 
				
			||||||
 | 
					+		spin_lock_bh(&_priv->lock); \
 | 
				
			||||||
 | 
					+	} \
 | 
				
			||||||
 | 
					+} 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;
 | 
				
			||||||
 | 
					+};
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+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;
 | 
				
			||||||
 | 
					+};
 | 
				
			||||||
 | 
					+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 *readaddr; /* memory mapped data for read  */
 | 
				
			||||||
 | 
					+	void *mmraddr;  /* memory mapped register space */
 | 
				
			||||||
 | 
					+	wait_queue_head_t wq;
 | 
				
			||||||
 | 
					+	spinlock_t lock;
 | 
				
			||||||
 | 
					+	int state;
 | 
				
			||||||
 | 
					+};
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+#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 ar231x_read_reg((u32) priv->mmraddr + reg);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static void
 | 
				
			||||||
 | 
					+spiflash_write_reg(struct spiflash_priv *priv, int reg, u32 data)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	ar231x_write_reg((u32) priv->mmraddr + reg, data);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+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 spiflash_priv *priv)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	u32 sig;
 | 
				
			||||||
 | 
					+	int flash_size;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	/* Read the signature on the flash device */
 | 
				
			||||||
 | 
					+	spin_lock_bh(&priv->lock);
 | 
				
			||||||
 | 
					+	sig = spiflash_sendcmd(priv, SPI_RD_SIG, 0);
 | 
				
			||||||
 | 
					+	spin_unlock_bh(&priv->lock);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	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:
 | 
				
			||||||
 | 
					+		printk (KERN_WARNING SPIFLASH "Read of flash device signature failed!\n");
 | 
				
			||||||
 | 
					+		return 0;
 | 
				
			||||||
 | 
					+	}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	return flash_size;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+/* wait until the flash chip is ready and grab a lock */
 | 
				
			||||||
 | 
					+static int spiflash_wait_ready(struct spiflash_priv *priv, int state)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	DECLARE_WAITQUEUE(wait, current);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+retry:
 | 
				
			||||||
 | 
					+	spin_lock_bh(&priv->lock);
 | 
				
			||||||
 | 
					+	if (priv->state != FL_READY) {
 | 
				
			||||||
 | 
					+		set_current_state(TASK_UNINTERRUPTIBLE);
 | 
				
			||||||
 | 
					+		add_wait_queue(&priv->wq, &wait);
 | 
				
			||||||
 | 
					+		spin_unlock_bh(&priv->lock);
 | 
				
			||||||
 | 
					+		schedule();
 | 
				
			||||||
 | 
					+		remove_wait_queue(&priv->wq, &wait);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+		if(signal_pending(current))
 | 
				
			||||||
 | 
					+			return 0;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+		goto retry;
 | 
				
			||||||
 | 
					+	}
 | 
				
			||||||
 | 
					+	priv->state = state;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	return 1;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static inline void spiflash_done(struct spiflash_priv *priv)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	priv->state = FL_READY;
 | 
				
			||||||
 | 
					+	spin_unlock_bh(&priv->lock);
 | 
				
			||||||
 | 
					+	wake_up(&priv->wq);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+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);
 | 
				
			||||||
 | 
					+	spiflash_done(priv);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+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;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	if (!spiflash_wait_ready(priv, FL_ERASING))
 | 
				
			||||||
 | 
					+		return -EINTR;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	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);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	instr->state = MTD_ERASE_DONE;
 | 
				
			||||||
 | 
					+	if (instr->callback)
 | 
				
			||||||
 | 
					+		instr->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);
 | 
				
			||||||
 | 
					+	u8 *read_addr;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	if (!len)
 | 
				
			||||||
 | 
					+		return 0;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	if (from + len > mtd->size)
 | 
				
			||||||
 | 
					+		return -EINVAL;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	*retlen = len;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	if (!spiflash_wait_ready(priv, FL_READING))
 | 
				
			||||||
 | 
					+		return -EINTR;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	read_addr = (u8 *)(priv->readaddr + from);
 | 
				
			||||||
 | 
					+	memcpy_fromio(buf, read_addr, len);
 | 
				
			||||||
 | 
					+	spiflash_done(priv);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	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);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+		if (!spiflash_wait_ready(priv, FL_WRITING))
 | 
				
			||||||
 | 
					+			return -EINTR;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+		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);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+		bytes_left -= read_len;
 | 
				
			||||||
 | 
					+		to += read_len;
 | 
				
			||||||
 | 
					+		buf += read_len;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+		*retlen += read_len;
 | 
				
			||||||
 | 
					+	} while (bytes_left != 0);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	return 0;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+#ifdef CONFIG_MTD_PARTITIONS
 | 
				
			||||||
 | 
					+static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", "MyLoader", NULL };
 | 
				
			||||||
 | 
					+#endif
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static int
 | 
				
			||||||
 | 
					+spiflash_probe(struct platform_device *pdev)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	struct spiflash_priv *priv;
 | 
				
			||||||
 | 
					+	struct mtd_partition *parts;
 | 
				
			||||||
 | 
					+	struct mtd_info *mtd;
 | 
				
			||||||
 | 
					+	int index, num_parts;
 | 
				
			||||||
 | 
					+	int result = 0;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	priv = kzalloc(sizeof(struct spiflash_priv), GFP_KERNEL);
 | 
				
			||||||
 | 
					+	spin_lock_init(&priv->lock);
 | 
				
			||||||
 | 
					+	init_waitqueue_head(&priv->wq);
 | 
				
			||||||
 | 
					+	priv->state = FL_READY;
 | 
				
			||||||
 | 
					+	mtd = &priv->mtd;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	priv->mmraddr = ioremap_nocache(SPI_FLASH_MMR, SPI_FLASH_MMR_SIZE);
 | 
				
			||||||
 | 
					+	if (!priv->mmraddr) {
 | 
				
			||||||
 | 
					+		printk(KERN_WARNING SPIFLASH "Failed to map flash device\n");
 | 
				
			||||||
 | 
					+		goto error;
 | 
				
			||||||
 | 
					+	}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	index = spiflash_probe_chip(priv);
 | 
				
			||||||
 | 
					+	if (!index) {
 | 
				
			||||||
 | 
					+		printk (KERN_WARNING SPIFLASH "Found no serial flash device\n");
 | 
				
			||||||
 | 
					+		goto error;
 | 
				
			||||||
 | 
					+	}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	priv->readaddr = ioremap_nocache(SPI_FLASH_READ, flashconfig_tbl[index].byte_cnt);
 | 
				
			||||||
 | 
					+	if (!priv->readaddr) {
 | 
				
			||||||
 | 
					+		printk (KERN_WARNING SPIFLASH "Failed to map flash device\n");
 | 
				
			||||||
 | 
					+		goto error;
 | 
				
			||||||
 | 
					+	}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	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;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+#ifdef CONFIG_MTD_PARTITIONS
 | 
				
			||||||
 | 
					+	/* parse redboot partitions */
 | 
				
			||||||
 | 
					+	num_parts = parse_mtd_partitions(mtd, part_probe_types, &parts, 0);
 | 
				
			||||||
 | 
					+	if (!num_parts)
 | 
				
			||||||
 | 
					+		goto error;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	result = add_mtd_partitions(mtd, parts, num_parts);
 | 
				
			||||||
 | 
					+#endif
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	return result;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+error:
 | 
				
			||||||
 | 
					+	if (priv->mmraddr)
 | 
				
			||||||
 | 
					+		iounmap(priv->mmraddr);
 | 
				
			||||||
 | 
					+	kfree(priv);
 | 
				
			||||||
 | 
					+	return -ENXIO;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static int
 | 
				
			||||||
 | 
					+spiflash_remove (struct platform_device *pdev)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	struct spiflash_priv *priv = platform_get_drvdata(pdev);
 | 
				
			||||||
 | 
					+	struct mtd_info *mtd = &priv->mtd;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	del_mtd_partitions(mtd);
 | 
				
			||||||
 | 
					+	iounmap(priv->mmraddr);
 | 
				
			||||||
 | 
					+	iounmap(priv->readaddr);
 | 
				
			||||||
 | 
					+	kfree(priv);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	return 0;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+struct platform_driver spiflash_driver = {
 | 
				
			||||||
 | 
					+	.driver.name = "spiflash",
 | 
				
			||||||
 | 
					+	.probe = spiflash_probe,
 | 
				
			||||||
 | 
					+	.remove = spiflash_remove,
 | 
				
			||||||
 | 
					+};
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+int __init
 | 
				
			||||||
 | 
					+spiflash_init (void)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	return platform_driver_register(&spiflash_driver);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+void __exit
 | 
				
			||||||
 | 
					+spiflash_exit (void)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	return platform_driver_unregister(&spiflash_driver);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+module_init (spiflash_init);
 | 
				
			||||||
 | 
					+module_exit (spiflash_exit);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+MODULE_LICENSE("GPL");
 | 
				
			||||||
 | 
					+MODULE_AUTHOR("OpenWrt.org, Atheros Communications Inc");
 | 
				
			||||||
 | 
					+MODULE_DESCRIPTION("MTD driver for SPI Flash on Atheros SOC");
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					--- /dev/null
 | 
				
			||||||
 | 
					+++ b/arch/mips/include/asm/mach-ar231x/ar2315_spiflash.h
 | 
				
			||||||
 | 
					@@ -0,0 +1,116 @@
 | 
				
			||||||
 | 
					+/*
 | 
				
			||||||
 | 
					+ * 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@openwrt.org>
 | 
				
			||||||
 | 
					+ *
 | 
				
			||||||
 | 
					+ * 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 AR531XPLUS_SPI_READ     0x08000000
 | 
				
			||||||
 | 
					+#define AR531XPLUS_SPI_MMR      0x11300000
 | 
				
			||||||
 | 
					+#define AR531XPLUS_SPI_MMR_SIZE 12
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+#define AR531XPLUS_SPI_CTL      0x00
 | 
				
			||||||
 | 
					+#define AR531XPLUS_SPI_OPCODE   0x04
 | 
				
			||||||
 | 
					+#define AR531XPLUS_SPI_DATA     0x08
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+#define SPI_FLASH_READ          AR531XPLUS_SPI_READ
 | 
				
			||||||
 | 
					+#define SPI_FLASH_MMR           AR531XPLUS_SPI_MMR
 | 
				
			||||||
 | 
					+#define SPI_FLASH_MMR_SIZE      AR531XPLUS_SPI_MMR_SIZE
 | 
				
			||||||
 | 
					+#define SPI_FLASH_CTL           AR531XPLUS_SPI_CTL
 | 
				
			||||||
 | 
					+#define SPI_FLASH_OPCODE        AR531XPLUS_SPI_OPCODE
 | 
				
			||||||
 | 
					+#define SPI_FLASH_DATA          AR531XPLUS_SPI_DATA
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+#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
 | 
				
			||||||
							
								
								
									
										228
									
								
								target/linux/atheros/patches-2.6.30/130-watchdog.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										228
									
								
								target/linux/atheros/patches-2.6.30/130-watchdog.patch
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,228 @@
 | 
				
			|||||||
 | 
					--- /dev/null
 | 
				
			||||||
 | 
					+++ b/drivers/watchdog/ar2315-wtd.c
 | 
				
			||||||
 | 
					@@ -0,0 +1,200 @@
 | 
				
			||||||
 | 
					+/*
 | 
				
			||||||
 | 
					+ * 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, write to the Free Software
 | 
				
			||||||
 | 
					+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 | 
				
			||||||
 | 
					+ *
 | 
				
			||||||
 | 
					+ * 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 <asm/io.h>
 | 
				
			||||||
 | 
					+#include <asm/uaccess.h>
 | 
				
			||||||
 | 
					+#include <asm/system.h>
 | 
				
			||||||
 | 
					+#include <asm/addrspace.h>
 | 
				
			||||||
 | 
					+#include <ar231x_platform.h>
 | 
				
			||||||
 | 
					+#include <ar2315_regs.h>
 | 
				
			||||||
 | 
					+#include <ar231x.h>
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+#define CLOCK_RATE 40000000
 | 
				
			||||||
 | 
					+#define HEARTBEAT(x) (x < 1 || x > 90)?(20):(x)
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static int wdt_timeout = 20;
 | 
				
			||||||
 | 
					+static int started = 0;
 | 
				
			||||||
 | 
					+static int in_use = 0;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static void
 | 
				
			||||||
 | 
					+ar2315_wdt_enable(void)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	ar231x_write_reg(AR2315_WD, wdt_timeout * CLOCK_RATE);
 | 
				
			||||||
 | 
					+	ar231x_write_reg(AR2315_ISR, 0x80);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+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 = 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_id)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	if(started)
 | 
				
			||||||
 | 
					+	{
 | 
				
			||||||
 | 
					+		printk(KERN_CRIT "watchdog expired, rebooting system\n");
 | 
				
			||||||
 | 
					+		emergency_restart();
 | 
				
			||||||
 | 
					+	} else {
 | 
				
			||||||
 | 
					+		ar231x_write_reg(AR2315_WDC, 0);
 | 
				
			||||||
 | 
					+		ar231x_write_reg(AR2315_WD, 0);
 | 
				
			||||||
 | 
					+		ar231x_write_reg(AR2315_ISR, 0x80);
 | 
				
			||||||
 | 
					+	}
 | 
				
			||||||
 | 
					+	return IRQ_HANDLED;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static struct watchdog_info ident = {
 | 
				
			||||||
 | 
					+	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
 | 
				
			||||||
 | 
					+	.identity = "ar2315 Watchdog",
 | 
				
			||||||
 | 
					+};
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static int
 | 
				
			||||||
 | 
					+ar2315_wdt_ioctl(struct inode *inode, 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((struct watchdog_info __user *)arg, &ident, sizeof(ident)) ? -EFAULT : 0;
 | 
				
			||||||
 | 
					+			break;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+		case WDIOC_KEEPALIVE:
 | 
				
			||||||
 | 
					+			ar2315_wdt_enable();
 | 
				
			||||||
 | 
					+			ret = 0;
 | 
				
			||||||
 | 
					+			break;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+		case WDIOC_SETTIMEOUT:
 | 
				
			||||||
 | 
					+			if((ret = get_user(new_wdt_timeout, (int __user *)arg)))
 | 
				
			||||||
 | 
					+				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 struct file_operations ar2315_wdt_fops = {
 | 
				
			||||||
 | 
					+	.owner		= THIS_MODULE,
 | 
				
			||||||
 | 
					+	.llseek		= no_llseek,
 | 
				
			||||||
 | 
					+	.write		= ar2315_wdt_write,
 | 
				
			||||||
 | 
					+	.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)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	int ret = 0;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	ar2315_wdt_enable();
 | 
				
			||||||
 | 
					+	ret = request_irq(AR531X_MISC_IRQ_WATCHDOG, ar2315_wdt_interrupt, IRQF_DISABLED, "ar2315_wdt", NULL);
 | 
				
			||||||
 | 
					+	if(ret)
 | 
				
			||||||
 | 
					+	{
 | 
				
			||||||
 | 
					+		printk(KERN_ERR "ar2315wdt: failed to register inetrrupt\n");
 | 
				
			||||||
 | 
					+		goto out;
 | 
				
			||||||
 | 
					+	}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	ret = misc_register(&ar2315_wdt_miscdev);
 | 
				
			||||||
 | 
					+	if(ret)
 | 
				
			||||||
 | 
					+		printk(KERN_ERR "ar2315wdt: failed to register miscdev\n");
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+out:
 | 
				
			||||||
 | 
					+	return ret;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static int
 | 
				
			||||||
 | 
					+ar2315_wdt_remove(struct platform_device *dev)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	misc_deregister(&ar2315_wdt_miscdev);
 | 
				
			||||||
 | 
					+	free_irq(AR531X_MISC_IRQ_WATCHDOG, NULL);
 | 
				
			||||||
 | 
					+	return 0;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static struct platform_driver ar2315_wdt_driver = {
 | 
				
			||||||
 | 
					+	.probe = ar2315_wdt_probe,
 | 
				
			||||||
 | 
					+	.remove = ar2315_wdt_remove,
 | 
				
			||||||
 | 
					+	.driver = {
 | 
				
			||||||
 | 
					+		.name = "ar2315_wdt",
 | 
				
			||||||
 | 
					+		.owner = THIS_MODULE,
 | 
				
			||||||
 | 
					+	},
 | 
				
			||||||
 | 
					+};
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static int __init
 | 
				
			||||||
 | 
					+init_ar2315_wdt(void)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	int ret = platform_driver_register(&ar2315_wdt_driver);
 | 
				
			||||||
 | 
					+	if(ret)
 | 
				
			||||||
 | 
					+		printk(KERN_INFO "ar2315_wdt: error registering platfom driver!");
 | 
				
			||||||
 | 
					+	return ret;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static void __exit
 | 
				
			||||||
 | 
					+exit_ar2315_wdt(void)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	platform_driver_unregister(&ar2315_wdt_driver);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+module_init(init_ar2315_wdt);
 | 
				
			||||||
 | 
					+module_exit(exit_ar2315_wdt);
 | 
				
			||||||
 | 
					--- a/drivers/watchdog/Kconfig
 | 
				
			||||||
 | 
					+++ b/drivers/watchdog/Kconfig
 | 
				
			||||||
 | 
					@@ -764,6 +764,12 @@ config TXX9_WDT
 | 
				
			||||||
 | 
					 	help
 | 
				
			||||||
 | 
					 	  Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					+config ATHEROS_WDT
 | 
				
			||||||
 | 
					+	tristate "Atheros wisoc Watchdog Timer"
 | 
				
			||||||
 | 
					+	depends on ATHEROS
 | 
				
			||||||
 | 
					+	help
 | 
				
			||||||
 | 
					+	  Hardware driver for the Atheros wisoc Watchdog Timer.
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					 # PARISC Architecture
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					 # POWERPC Architecture
 | 
				
			||||||
 | 
					--- a/drivers/watchdog/Makefile
 | 
				
			||||||
 | 
					+++ b/drivers/watchdog/Makefile
 | 
				
			||||||
 | 
					@@ -105,6 +105,7 @@ obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o
 | 
				
			||||||
 | 
					 obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o
 | 
				
			||||||
 | 
					 obj-$(CONFIG_AR7_WDT) += ar7_wdt.o
 | 
				
			||||||
 | 
					 obj-$(CONFIG_TXX9_WDT) += txx9wdt.o
 | 
				
			||||||
 | 
					+obj-$(CONFIG_ATHEROS_WDT) += ar2315-wtd.o
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					 # PARISC Architecture
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
@@ -0,0 +1,54 @@
 | 
				
			|||||||
 | 
					--- a/drivers/mtd/redboot.c
 | 
				
			||||||
 | 
					+++ b/drivers/mtd/redboot.c
 | 
				
			||||||
 | 
					@@ -60,31 +60,32 @@ 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 (master->block_isbad && 
 | 
				
			||||||
 | 
					+		while (master->block_isbad &&
 | 
				
			||||||
 | 
					 		       master->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;
 | 
				
			||||||
 | 
					 		}
 | 
				
			||||||
 | 
					 	} else {
 | 
				
			||||||
 | 
					 		offset = directory * master->erasesize;
 | 
				
			||||||
 | 
					-		while (master->block_isbad && 
 | 
				
			||||||
 | 
					+		while (master->block_isbad &&
 | 
				
			||||||
 | 
					 		       master->block_isbad(master, offset)) {
 | 
				
			||||||
 | 
					 			offset += master->erasesize;
 | 
				
			||||||
 | 
					 			if (offset == master->size)
 | 
				
			||||||
 | 
					 				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);
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					@@ -156,6 +157,11 @@ 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 +1,70 @@
 | 
				
			|||||||
 | 
					--- a/drivers/net/ar231x.c
 | 
				
			||||||
 | 
					+++ b/drivers/net/ar231x.c
 | 
				
			||||||
 | 
					@@ -735,6 +735,7 @@ static void ar231x_load_rx_ring(struct n
 | 
				
			||||||
 | 
					 	for (i = 0; i < nr_bufs; i++) {
 | 
				
			||||||
 | 
					 		struct sk_buff *skb;
 | 
				
			||||||
 | 
					 		ar231x_descr_t *rd;
 | 
				
			||||||
 | 
					+		int offset = RX_OFFSET;
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					 		if (sp->rx_skb[idx])
 | 
				
			||||||
 | 
					 			break;
 | 
				
			||||||
 | 
					@@ -750,7 +751,9 @@ static void ar231x_load_rx_ring(struct n
 | 
				
			||||||
 | 
					 		 * Make sure IP header starts on a fresh cache line.
 | 
				
			||||||
 | 
					 		 */
 | 
				
			||||||
 | 
					 		skb->dev = dev;
 | 
				
			||||||
 | 
					-		skb_reserve(skb, RX_OFFSET);
 | 
				
			||||||
 | 
					+		if (sp->phy_dev)
 | 
				
			||||||
 | 
					+			offset += sp->phy_dev->pkt_align;
 | 
				
			||||||
 | 
					+		skb_reserve(skb, offset);
 | 
				
			||||||
 | 
					 		sp->rx_skb[idx] = skb;
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					 		rd = (ar231x_descr_t *) & sp->rx_ring[idx];
 | 
				
			||||||
 | 
					@@ -824,20 +827,23 @@ static int ar231x_rx_int(struct net_devi
 | 
				
			||||||
 | 
					 			/* alloc new buffer. */
 | 
				
			||||||
 | 
					 			skb_new = netdev_alloc_skb(dev, AR2313_BUFSIZE + RX_OFFSET);
 | 
				
			||||||
 | 
					 			if (skb_new != NULL) {
 | 
				
			||||||
 | 
					+				int offset;
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					 				skb = sp->rx_skb[idx];
 | 
				
			||||||
 | 
					 				/* set skb */
 | 
				
			||||||
 | 
					 				skb_put(skb,
 | 
				
			||||||
 | 
					 						((status >> DMA_RX_LEN_SHIFT) & 0x3fff) - CRC_LEN);
 | 
				
			||||||
 | 
					-
 | 
				
			||||||
 | 
					 				dev->stats.rx_bytes += skb->len;
 | 
				
			||||||
 | 
					-				skb->protocol = eth_type_trans(skb, dev);
 | 
				
			||||||
 | 
					-				/* pass the packet to upper layers */
 | 
				
			||||||
 | 
					-				netif_rx(skb);
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					+				/* pass the packet to upper layers */
 | 
				
			||||||
 | 
					+				sp->rx(skb);
 | 
				
			||||||
 | 
					 				skb_new->dev = dev;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					 				/* 16 bit align */
 | 
				
			||||||
 | 
					-				skb_reserve(skb_new, RX_OFFSET);
 | 
				
			||||||
 | 
					+				offset = RX_OFFSET;
 | 
				
			||||||
 | 
					+				if (sp->phy_dev)
 | 
				
			||||||
 | 
					+					offset += sp->phy_dev->pkt_align;
 | 
				
			||||||
 | 
					+				skb_reserve(skb_new, offset);
 | 
				
			||||||
 | 
					 				/* reset descriptor's curr_addr */
 | 
				
			||||||
 | 
					 				rxdesc->addr = virt_to_phys(skb_new->data);
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					@@ -1239,6 +1245,8 @@ static int ar231x_mdiobus_probe (struct 
 | 
				
			||||||
 | 
					 		return PTR_ERR(phydev);
 | 
				
			||||||
 | 
					 	}
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					+	sp->rx = phydev->netif_rx;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					 	/* mask with MAC supported features */
 | 
				
			||||||
 | 
					 	phydev->supported &= (SUPPORTED_10baseT_Half
 | 
				
			||||||
 | 
					 		| SUPPORTED_10baseT_Full
 | 
				
			||||||
 | 
					--- a/drivers/net/ar231x.h
 | 
				
			||||||
 | 
					+++ b/drivers/net/ar231x.h
 | 
				
			||||||
 | 
					@@ -221,6 +221,8 @@ typedef struct {
 | 
				
			||||||
 | 
					  */
 | 
				
			||||||
 | 
					 struct ar231x_private {
 | 
				
			||||||
 | 
					 	struct net_device *dev;
 | 
				
			||||||
 | 
					+	int (*rx)(struct sk_buff *skb);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					 	int version;
 | 
				
			||||||
 | 
					 	u32 mb[2];
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
							
								
								
									
										174
									
								
								target/linux/atheros/patches-2.6.30/210-reset_button.patch
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										174
									
								
								target/linux/atheros/patches-2.6.30/210-reset_button.patch
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,174 @@
 | 
				
			|||||||
 | 
					--- a/arch/mips/ar231x/Makefile
 | 
				
			||||||
 | 
					+++ b/arch/mips/ar231x/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_ATHEROS_AR5312) += ar5312.o
 | 
				
			||||||
 | 
					 obj-$(CONFIG_ATHEROS_AR2315) += ar2315.o
 | 
				
			||||||
 | 
					 obj-$(CONFIG_ATHEROS_AR2315_PCI) += pci.o
 | 
				
			||||||
 | 
					--- /dev/null
 | 
				
			||||||
 | 
					+++ b/arch/mips/ar231x/reset.c
 | 
				
			||||||
 | 
					@@ -0,0 +1,160 @@
 | 
				
			||||||
 | 
					+#include <linux/init.h>
 | 
				
			||||||
 | 
					+#include <linux/module.h>
 | 
				
			||||||
 | 
					+#include <linux/timer.h>
 | 
				
			||||||
 | 
					+#include <linux/interrupt.h>
 | 
				
			||||||
 | 
					+#include <linux/kobject.h>
 | 
				
			||||||
 | 
					+#include <linux/workqueue.h>
 | 
				
			||||||
 | 
					+#include <linux/skbuff.h>
 | 
				
			||||||
 | 
					+#include <linux/netlink.h>
 | 
				
			||||||
 | 
					+#include <net/sock.h>
 | 
				
			||||||
 | 
					+#include <asm/uaccess.h>
 | 
				
			||||||
 | 
					+#include <ar231x_platform.h>
 | 
				
			||||||
 | 
					+#include <ar231x.h>
 | 
				
			||||||
 | 
					+#include <gpio.h>
 | 
				
			||||||
 | 
					+#include "devices.h"
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+#define AR531X_RESET_GPIO_IRQ	(AR531X_GPIO_IRQ(ar231x_board.config->resetConfigGpio))
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+struct event_t {
 | 
				
			||||||
 | 
					+	struct work_struct wq;
 | 
				
			||||||
 | 
					+	int set;
 | 
				
			||||||
 | 
					+	unsigned long jiffies;
 | 
				
			||||||
 | 
					+};
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static struct timer_list rst_button_timer;
 | 
				
			||||||
 | 
					+static unsigned long seen;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+extern struct sock *uevent_sock;
 | 
				
			||||||
 | 
					+extern u64 uevent_next_seqnum(void);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static int no_release_workaround = 1;
 | 
				
			||||||
 | 
					+module_param(no_release_workaround, int, 0);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static inline void
 | 
				
			||||||
 | 
					+add_msg(struct sk_buff *skb, char *msg)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	char *scratch;
 | 
				
			||||||
 | 
					+	scratch = skb_put(skb, strlen(msg) + 1);
 | 
				
			||||||
 | 
					+	sprintf(scratch, msg);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static void
 | 
				
			||||||
 | 
					+hotplug_button(struct work_struct *wq)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	struct sk_buff *skb;
 | 
				
			||||||
 | 
					+	struct event_t *event;
 | 
				
			||||||
 | 
					+	size_t len;
 | 
				
			||||||
 | 
					+	char *scratch, *s;
 | 
				
			||||||
 | 
					+	char buf[128];
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	event = container_of(wq, struct event_t, wq);
 | 
				
			||||||
 | 
					+	if (!uevent_sock)
 | 
				
			||||||
 | 
					+		goto done;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	/* allocate message with the maximum possible size */
 | 
				
			||||||
 | 
					+	s = event->set ? "pressed" : "released";
 | 
				
			||||||
 | 
					+	len = strlen(s) + 2;
 | 
				
			||||||
 | 
					+	skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
 | 
				
			||||||
 | 
					+	if (!skb)
 | 
				
			||||||
 | 
					+		goto done;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	/* add header */
 | 
				
			||||||
 | 
					+	scratch = skb_put(skb, len);
 | 
				
			||||||
 | 
					+	sprintf(scratch, "%s@",s);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	/* copy keys to our continuous event payload buffer */
 | 
				
			||||||
 | 
					+	add_msg(skb, "HOME=/");
 | 
				
			||||||
 | 
					+	add_msg(skb, "PATH=/sbin:/bin:/usr/sbin:/usr/bin");
 | 
				
			||||||
 | 
					+	add_msg(skb, "SUBSYSTEM=button");
 | 
				
			||||||
 | 
					+	add_msg(skb, "BUTTON=reset");
 | 
				
			||||||
 | 
					+	add_msg(skb, (event->set ? "ACTION=pressed" : "ACTION=released"));
 | 
				
			||||||
 | 
					+	sprintf(buf, "SEEN=%ld", (event->jiffies - seen)/HZ);
 | 
				
			||||||
 | 
					+	add_msg(skb, buf);
 | 
				
			||||||
 | 
					+	snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
 | 
				
			||||||
 | 
					+	add_msg(skb, buf);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	NETLINK_CB(skb).dst_group = 1;
 | 
				
			||||||
 | 
					+	netlink_broadcast(uevent_sock, skb, 0, 1, GFP_KERNEL);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+done:
 | 
				
			||||||
 | 
					+	kfree(event);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static void
 | 
				
			||||||
 | 
					+reset_button_poll(unsigned long unused)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	struct event_t *event;
 | 
				
			||||||
 | 
					+	int gpio = ~0;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	if(!no_release_workaround)
 | 
				
			||||||
 | 
					+		return;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	gpio = ar231x_gpiodev->get();
 | 
				
			||||||
 | 
					+	gpio &= (1 << (AR531X_RESET_GPIO_IRQ - AR531X_GPIO_IRQ_BASE));
 | 
				
			||||||
 | 
					+	if(gpio) {
 | 
				
			||||||
 | 
					+		rst_button_timer.expires = jiffies + (HZ / 4);
 | 
				
			||||||
 | 
					+		add_timer(&rst_button_timer);
 | 
				
			||||||
 | 
					+		return;
 | 
				
			||||||
 | 
					+	}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	event = (struct event_t *) kzalloc(sizeof(struct event_t), GFP_ATOMIC);
 | 
				
			||||||
 | 
					+	if (!event)
 | 
				
			||||||
 | 
					+		return;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	event->set = 0;
 | 
				
			||||||
 | 
					+	event->jiffies = jiffies;
 | 
				
			||||||
 | 
					+	INIT_WORK(&event->wq, hotplug_button);
 | 
				
			||||||
 | 
					+	schedule_work(&event->wq);
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static irqreturn_t
 | 
				
			||||||
 | 
					+button_handler(int irq, void *dev_id)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	static int pressed = 0;
 | 
				
			||||||
 | 
					+	struct event_t *event;
 | 
				
			||||||
 | 
					+	u32 gpio = ~0;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	event = (struct event_t *) kzalloc(sizeof(struct event_t), GFP_ATOMIC);
 | 
				
			||||||
 | 
					+	if (!event)
 | 
				
			||||||
 | 
					+		return IRQ_NONE;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	pressed = !pressed;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	gpio = ar231x_gpiodev->get() & (1 << (irq - AR531X_GPIO_IRQ_BASE));
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	event->set = gpio;
 | 
				
			||||||
 | 
					+	if(!event->set)
 | 
				
			||||||
 | 
					+		no_release_workaround = 0;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	event->jiffies = jiffies;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	INIT_WORK(&event->wq, hotplug_button);
 | 
				
			||||||
 | 
					+	schedule_work(&event->wq);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	seen = jiffies;
 | 
				
			||||||
 | 
					+	if(event->set && no_release_workaround)
 | 
				
			||||||
 | 
					+		mod_timer(&rst_button_timer, jiffies + (HZ / 4));
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	return IRQ_HANDLED;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+static int __init
 | 
				
			||||||
 | 
					+ar231x_init_reset(void)
 | 
				
			||||||
 | 
					+{
 | 
				
			||||||
 | 
					+	seen = jiffies;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	if (ar231x_board.config->resetConfigGpio == 0xffff)
 | 
				
			||||||
 | 
					+		return -ENODEV;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	init_timer(&rst_button_timer);
 | 
				
			||||||
 | 
					+	rst_button_timer.function = reset_button_poll;
 | 
				
			||||||
 | 
					+	rst_button_timer.expires = jiffies + HZ / 50;
 | 
				
			||||||
 | 
					+	add_timer(&rst_button_timer);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	request_irq(AR531X_RESET_GPIO_IRQ, &button_handler, IRQF_SAMPLE_RANDOM, "ar231x_reset", NULL);
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+	return 0;
 | 
				
			||||||
 | 
					+}
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					+module_init(ar231x_init_reset);
 | 
				
			||||||
@@ -0,0 +1,69 @@
 | 
				
			|||||||
 | 
					--- a/drivers/net/ar231x.c
 | 
				
			||||||
 | 
					+++ b/drivers/net/ar231x.c
 | 
				
			||||||
 | 
					@@ -148,6 +148,7 @@ 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 = false;
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					 #ifndef ERR
 | 
				
			||||||
 | 
					 #define ERR(fmt, args...) printk("%s: " fmt, __func__, ##args)
 | 
				
			||||||
 | 
					@@ -278,6 +279,21 @@ int __init 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);
 | 
				
			||||||
 | 
					@@ -334,8 +350,10 @@ static int __exit ar231x_remove(struct p
 | 
				
			||||||
 | 
					 	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;
 | 
				
			||||||
 | 
					 }
 | 
				
			||||||
 | 
					@@ -836,7 +854,12 @@ static int ar231x_rx_int(struct net_devi
 | 
				
			||||||
 | 
					 				dev->stats.rx_bytes += skb->len;
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					 				/* pass the packet to upper layers */
 | 
				
			||||||
 | 
					-				sp->rx(skb);
 | 
				
			||||||
 | 
					+				if (sp->rx) {
 | 
				
			||||||
 | 
					+					sp->rx(skb);
 | 
				
			||||||
 | 
					+				} else {
 | 
				
			||||||
 | 
					+					skb->protocol = eth_type_trans(skb, skb->dev);
 | 
				
			||||||
 | 
					+					netif_rx(skb);
 | 
				
			||||||
 | 
					+				}
 | 
				
			||||||
 | 
					 				skb_new->dev = dev;
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					 				/* 16 bit align */
 | 
				
			||||||
 | 
					@@ -1123,6 +1146,9 @@ static int ar231x_ioctl(struct net_devic
 | 
				
			||||||
 | 
					 	struct ar231x_private *sp = netdev_priv(dev);
 | 
				
			||||||
 | 
					 	int ret;
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					+	if (!sp->phy_dev)
 | 
				
			||||||
 | 
					+		return -ENODEV;
 | 
				
			||||||
 | 
					+
 | 
				
			||||||
 | 
					 	switch (cmd) {
 | 
				
			||||||
 | 
					 
 | 
				
			||||||
 | 
					 	case SIOCETHTOOL:
 | 
				
			||||||
		Reference in New Issue
	
	Block a user