diff options
25 files changed, 1221 insertions, 0 deletions
diff --git a/target/linux/rb532/config-2.6.28 b/target/linux/rb532/config-2.6.28 new file mode 100644 index 000000000..a0c1b3d20 --- /dev/null +++ b/target/linux/rb532/config-2.6.28 @@ -0,0 +1,237 @@ +CONFIG_32BIT=y +# CONFIG_64BIT is not set +# CONFIG_8139TOO is not set +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_ARCH_REQUIRE_GPIOLIB=y +# CONFIG_ARCH_SUPPORTS_MSI is not set +CONFIG_ARCH_SUPPORTS_OPROFILE=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_ATA=y +# CONFIG_ATA_NONSTANDARD is not set +# CONFIG_ATA_PIIX is not set +CONFIG_ATA_SFF=y +CONFIG_BASE_SMALL=0 +# CONFIG_BCM47XX is not set +CONFIG_BITREVERSE=y +CONFIG_BOOT_RAW=y +CONFIG_CEVT_R4K=y +CONFIG_CLASSIC_RCU=y +# CONFIG_CPU_BIG_ENDIAN is not set +CONFIG_CPU_HAS_LLSC=y +CONFIG_CPU_HAS_PREFETCH=y +CONFIG_CPU_HAS_SYNC=y +CONFIG_CPU_LITTLE_ENDIAN=y +# CONFIG_CPU_LOONGSON2 is not set +CONFIG_CPU_MIPS32=y +CONFIG_CPU_MIPS32_R1=y +# CONFIG_CPU_MIPS32_R2 is not set +# CONFIG_CPU_MIPS64_R1 is not set +# CONFIG_CPU_MIPS64_R2 is not set +CONFIG_CPU_MIPSR1=y +# CONFIG_CPU_NEVADA is not set +# CONFIG_CPU_R10000 is not set +# CONFIG_CPU_R3000 is not set +# CONFIG_CPU_R4300 is not set +# CONFIG_CPU_R4X00 is not set +# CONFIG_CPU_R5000 is not set +# CONFIG_CPU_R5432 is not set +# CONFIG_CPU_R5500 is not set +# CONFIG_CPU_R6000 is not set +# CONFIG_CPU_R8000 is not set +# CONFIG_CPU_RM7000 is not set +# CONFIG_CPU_RM9000 is not set +# CONFIG_CPU_SB1 is not set +CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y +CONFIG_CPU_SUPPORTS_HIGHMEM=y +# CONFIG_CPU_TX39XX is not set +# CONFIG_CPU_TX49XX is not set +# CONFIG_CPU_VR41XX is not set +CONFIG_CSRC_R4K=y +# CONFIG_DEBUG_FS is not set +CONFIG_DEVPORT=y +# CONFIG_DM9000 is not set +CONFIG_DMA_NEED_PCI_MAP_STATE=y +CONFIG_DMA_NONCOHERENT=y +# CONFIG_ENABLE_WARN_DEPRECATED is not set +CONFIG_EXT2_FS=y +# CONFIG_FREEZER is not set +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_GPIOLIB=y +CONFIG_GPIO_SYSFS=y +CONFIG_HARDWARE_WATCHPOINTS=y +CONFIG_HAS_DMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +# CONFIG_HAVE_AOUT is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set +CONFIG_HAVE_IDE=y +CONFIG_HAVE_OPROFILE=y +# CONFIG_HIGH_RES_TIMERS is not set +CONFIG_HW_HAS_PCI=y +CONFIG_HW_RANDOM=y +CONFIG_HZ=250 +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_I2C is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IDE is not set +CONFIG_INITRAMFS_SOURCE="" +CONFIG_IRQ_CPU=y +CONFIG_KEXEC=y +CONFIG_KMOD=y +CONFIG_KORINA=y +# CONFIG_LEDS_ALIX is not set +# CONFIG_LEDS_GPIO is not set +# CONFIG_LEMOTE_FULONG is not set +# CONFIG_MACH_ALCHEMY is not set +# CONFIG_MACH_DECSTATION is not set +# CONFIG_MACH_EMMA is not set +# CONFIG_MACH_JAZZ is not set +# CONFIG_MACH_TX39XX is not set +# CONFIG_MACH_TX49XX is not set +# CONFIG_MACH_VR41XX is not set +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_TMIO is not set +CONFIG_MIKROTIK_RB532=y +CONFIG_MIPS=y +# CONFIG_MIPS_COBALT is not set +CONFIG_MIPS_L1_CACHE_SHIFT=4 +# CONFIG_MIPS_MACHINE is not set +# CONFIG_MIPS_MALTA is not set +CONFIG_MIPS_MT_DISABLED=y +# CONFIG_MIPS_MT_SMP is not set +# CONFIG_MIPS_MT_SMTC is not set +# CONFIG_MIPS_SIM is not set +CONFIG_MTD=y +# CONFIG_MTD_ABSENT is not set +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +CONFIG_MTD_BLOCK2MTD=y +CONFIG_MTD_CFI=y +CONFIG_MTD_CFI_ADV_OPTIONS=y +# CONFIG_MTD_CFI_AMDSTD is not set +# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set +CONFIG_MTD_CFI_GEOMETRY=y +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_CFI_INTELEXT is not set +# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set +CONFIG_MTD_CFI_NOSWAP=y +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=y +CONFIG_MTD_CHAR=y +# CONFIG_MTD_CMDLINE_PARTS is not set +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_GEN_PROBE=y +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +CONFIG_MTD_MAP_BANK_WIDTH_2=y +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MTDRAM is not set +CONFIG_MTD_NAND=y +# CONFIG_MTD_NAND_CAFE is not set +# CONFIG_MTD_NAND_DISKONCHIP is not set +# CONFIG_MTD_NAND_ECC_SMC is not set +CONFIG_MTD_NAND_IDS=y +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +# CONFIG_MTD_NAND_NANDSIM is not set +CONFIG_MTD_NAND_PLATFORM=y +CONFIG_MTD_NAND_VERIFY_WRITE=y +# CONFIG_MTD_ONENAND is not set +# CONFIG_MTD_OTP is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_PHRAM is not set +CONFIG_MTD_PHYSMAP=y +CONFIG_MTD_PHYSMAP_BANKWIDTH=2 +CONFIG_MTD_PHYSMAP_LEN=0 +CONFIG_MTD_PHYSMAP_START=0x8000000 +# CONFIG_MTD_PLATRAM is not set +# CONFIG_MTD_PMC551 is not set +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_REDBOOT_PARTS is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_NATSEMI is not set +CONFIG_NF_CONNTRACK=y +CONFIG_NF_CT_ACCT=y +# CONFIG_NF_DEFRAG_IPV4 is not set +# CONFIG_NO_IOPORT is not set +# CONFIG_NXP_STB220 is not set +# CONFIG_NXP_STB225 is not set +CONFIG_PAGEFLAGS_EXTENDED=y +# CONFIG_PAGE_SIZE_16KB is not set +CONFIG_PAGE_SIZE_4KB=y +# CONFIG_PAGE_SIZE_64KB is not set +# CONFIG_PAGE_SIZE_8KB is not set +CONFIG_PATA_PLATFORM=y +CONFIG_PATA_RB532=y +# CONFIG_PATA_SCH is not set +CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y +CONFIG_PCSPKR_PLATFORM=y +# CONFIG_PHYS_ADDR_T_64BIT is not set +# CONFIG_PMC_MSP is not set +# CONFIG_PMC_YOSEMITE is not set +# CONFIG_PNX8550_JBS is not set +# CONFIG_PNX8550_STB810 is not set +# CONFIG_PROBE_INITRD_HEADER is not set +# CONFIG_PROM_EMU is not set +# CONFIG_R6040 is not set +CONFIG_RC32434_WDT=y +CONFIG_RTC_LIB=y +CONFIG_RWSEM_GENERIC_SPINLOCK=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_SCSI=y +CONFIG_SCSI_WAIT_SCAN=m +# CONFIG_SERIAL_8250_EXTENDED is not set +# CONFIG_SGI_IP22 is not set +# CONFIG_SGI_IP27 is not set +# CONFIG_SGI_IP28 is not set +# CONFIG_SGI_IP32 is not set +# CONFIG_SIBYTE_BIGSUR is not set +# CONFIG_SIBYTE_CARMEL is not set +# CONFIG_SIBYTE_CRHINE is not set +# CONFIG_SIBYTE_CRHONE is not set +# CONFIG_SIBYTE_LITTLESUR is not set +# CONFIG_SIBYTE_RHONE is not set +# CONFIG_SIBYTE_SENTOSA is not set +# CONFIG_SIBYTE_SWARM is not set +# CONFIG_SOFT_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y +CONFIG_SWAP_IO_SPACE=y +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_SYS_HAS_CPU_MIPS32_R1=y +CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y +CONFIG_SYS_SUPPORTS_ARBIT_HZ=y +CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y +# CONFIG_TC35815 is not set +CONFIG_TRAD_SIGNALS=y +# CONFIG_VGASTATE is not set +CONFIG_VIA_RHINE=y +CONFIG_VIA_RHINE_MMIO=y +CONFIG_YAFFS_9BYTE_TAGS=y +# CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set +CONFIG_YAFFS_AUTO_YAFFS2=y +# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set +# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set +CONFIG_YAFFS_FS=y +CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y +CONFIG_YAFFS_YAFFS1=y +CONFIG_YAFFS_YAFFS2=y +CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/rb532/patches-2.6.28/002-pci_io_map_base.patch b/target/linux/rb532/patches-2.6.28/002-pci_io_map_base.patch new file mode 100644 index 000000000..5786803e4 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/002-pci_io_map_base.patch @@ -0,0 +1,42 @@ +The code is rather based on trial-and-error than knowledge. Verified Via +Rhine functionality in PIO as well as MMIO mode. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +Tested-by: Florian Fainelli <florian@openwrt.org> +--- + arch/mips/pci/pci-rc32434.c | 11 +++++++++++ + 1 files changed, 11 insertions(+), 0 deletions(-) + +diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c +index 1c2821e..71f7d27 100644 +--- a/arch/mips/pci/pci-rc32434.c ++++ b/arch/mips/pci/pci-rc32434.c +@@ -205,6 +205,8 @@ static int __init rc32434_pcibridge_init(void) + + static int __init rc32434_pci_init(void) + { ++ void __iomem *io_map_base; ++ + pr_info("PCI: Initializing PCI\n"); + + ioport_resource.start = rc32434_res_pci_io1.start; +@@ -212,6 +214,15 @@ static int __init rc32434_pci_init(void) + + rc32434_pcibridge_init(); + ++ io_map_base = ioremap(rc32434_res_pci_io1.start, ++ rc32434_res_pci_io1.end - rc32434_res_pci_io1.start + 1); ++ ++ if (!io_map_base) ++ return -ENOMEM; ++ ++ rc32434_controller.io_map_base = ++ (unsigned long)io_map_base - rc32434_res_pci_io1.start; ++ + register_pci_controller(&rc32434_controller); + rc32434_sync(); + +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/003-gpio_bit_setting.patch b/target/linux/rb532/patches-2.6.28/003-gpio_bit_setting.patch new file mode 100644 index 000000000..49f9f4b3b --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/003-gpio_bit_setting.patch @@ -0,0 +1,35 @@ +The algorithm works unconditionally. If bitval is one, the first line is +a no op and the second line sets the bit at offset position. Vice versa, +if bitval is zero, the first line clears the bit at offset position and +the second line is a no op. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- + arch/mips/rb532/gpio.c | 6 ++---- + 1 files changed, 2 insertions(+), 4 deletions(-) + +diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c +index 0e84c8a..e35cb75 100644 +--- a/arch/mips/rb532/gpio.c ++++ b/arch/mips/rb532/gpio.c +@@ -119,13 +119,11 @@ static inline void rb532_set_bit(unsigned bitval, + unsigned long flags; + u32 val; + +- bitval = !!bitval; /* map parameter to {0,1} */ +- + local_irq_save(flags); + + val = readl(ioaddr); +- val &= ~( ~bitval << offset ); /* unset bit if bitval == 0 */ +- val |= ( bitval << offset ); /* set bit if bitval == 1 */ ++ val &= ~(!bitval << offset); /* unset bit if bitval == 0 */ ++ val |= (!!bitval << offset); /* set bit if bitval == 1 */ + writel(val, ioaddr); + + local_irq_restore(flags); +-- +1.5.6.4 + + + diff --git a/target/linux/rb532/patches-2.6.28/004-fix_pata_rb532_cf.patch b/target/linux/rb532/patches-2.6.28/004-fix_pata_rb532_cf.patch new file mode 100644 index 000000000..d1d73ac9c --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/004-fix_pata_rb532_cf.patch @@ -0,0 +1,52 @@ +After applying the following changes I could verify functionality by +mounting a filesystem on the cfdisk and reading/writing files in it. + +The set_irq_type() function must be wrong, as there is no set_type() +function defined for the rb532 IRQ chip. But as the used IRQ actually is +being triggered by a GPIO, setting it's interrupt level should be the +right alternative. Also to clear a GPIO triggered IRQ, the source has to +be cleared. This is being done at the end of rb532_pata_irq_handler. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +Acked-by: Florian Fainelli <florian@openwrt.org> +--- +diff -urN linux-2.6.28.7/drivers/ata/pata_rb532_cf.c linux-2.6.28.7.new/drivers/ata/pata_rb532_cf.c +--- linux-2.6.28.7/drivers/ata/pata_rb532_cf.c 2009-02-20 23:41:27.000000000 +0100 ++++ linux-2.6.28.7.new/drivers/ata/pata_rb532_cf.c 2009-03-15 13:21:06.000000000 +0100 +@@ -31,6 +31,7 @@ + #include <scsi/scsi_host.h> + + #include <asm/gpio.h> ++#include <asm/mach-rc32434/gpio.h> + + #define DRV_NAME "pata-rb532-cf" + #define DRV_VERSION "0.1.0" +@@ -63,8 +64,8 @@ + ata_sff_sync might be sufficient. */ + ata_sff_dma_pause(ap); + ndelay(RB500_CF_IO_DELAY); +- +- set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH); ++ ++ rb532_gpio_set_ilevel(1, info->gpio_line); + } + + static void rb532_pata_exec_command(struct ata_port *ap, +@@ -113,13 +114,15 @@ + struct rb532_cf_info *info = ah->private_data; + + if (gpio_get_value(info->gpio_line)) { +- set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW); ++ rb532_gpio_set_ilevel(0, info->gpio_line); + if (!info->frozen) + ata_sff_interrupt(info->irq, dev_instance); + } else { +- set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH); ++ rb532_gpio_set_ilevel(1, info->gpio_line); + } + ++ rb532_gpio_set_istat(0, info->gpio_line); ++ + return IRQ_HANDLED; + } + diff --git a/target/linux/rb532/patches-2.6.28/005-pata_rb532_cf_4bytes_rw.patch b/target/linux/rb532/patches-2.6.28/005-pata_rb532_cf_4bytes_rw.patch new file mode 100644 index 000000000..1af14ad6f --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/005-pata_rb532_cf_4bytes_rw.patch @@ -0,0 +1,33 @@ +* rename the offset definition to avoid abiguity with the standard ATA + IO address +* read and write four bytes at once like the original driver does +* use writesl() and readsl() which implicitly iterate over the data + +This patch assumes buflen to be a multiple of four, which is true for +ATA devices. ATAPI support is not known, though unlikely, as the +original driver always transfers 512 Bytes at once. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +Acked-by: Sergei Shtyltov <sshtylyov@ru.mvista.com> +--- +diff -urN linux-2.6.28.7/drivers/ata/pata_rb532_cf.c linux-2.6.28.7.new/drivers/ata/pata_rb532_cf.c +--- linux-2.6.28.7/drivers/ata/pata_rb532_cf.c 2009-03-15 13:24:24.000000000 +0100 ++++ linux-2.6.28.7.new/drivers/ata/pata_rb532_cf.c 2009-03-15 13:26:19.000000000 +0100 +@@ -82,13 +82,10 @@ + void __iomem *ioaddr = ap->ioaddr.data_addr; + int retlen = buflen; + +- if (write_data) { +- for (; buflen > 0; buflen--, buf++) +- writeb(*buf, ioaddr); +- } else { +- for (; buflen > 0; buflen--, buf++) +- *buf = readb(ioaddr); +- } ++ if (write_data) ++ writesl(ioaddr, buf, buflen / sizeof(u32)); ++ else ++ readsl(ioaddr, buf, buflen / sizeof(u32)); + + rb532_pata_finish_io(adev->link->ap); + return retlen; diff --git a/target/linux/rb532/patches-2.6.28/006-pata_rb532_cf_fix_prototype.patch b/target/linux/rb532/patches-2.6.28/006-pata_rb532_cf_fix_prototype.patch new file mode 100644 index 000000000..7a25bcb68 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/006-pata_rb532_cf_fix_prototype.patch @@ -0,0 +1,19 @@ +Per definition, this function should return the number of bytes +consumed. Also take care of the unlikely case when buflen is not a +multiple of four; while transferring, the division cuts the remaining +bytes, so alter the return value accordingly. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- +diff -urN linux-2.6.28.7/drivers/ata/pata_rb532_cf.c linux-2.6.28.7.new/drivers/ata/pata_rb532_cf.c +--- linux-2.6.28.7/drivers/ata/pata_rb532_cf.c 2009-03-15 13:29:09.000000000 +0100 ++++ linux-2.6.28.7.new/drivers/ata/pata_rb532_cf.c 2009-03-15 13:29:46.000000000 +0100 +@@ -88,7 +88,7 @@ + readsl(ioaddr, buf, buflen / sizeof(u32)); + + rb532_pata_finish_io(adev->link->ap); +- return retlen; ++ return buflen - (buflen % sizeof(u32));; + } + + static void rb532_pata_freeze(struct ata_port *ap) diff --git a/target/linux/rb532/patches-2.6.28/007-cmdline_hack.patch b/target/linux/rb532/patches-2.6.28/007-cmdline_hack.patch new file mode 100644 index 000000000..5f2ed2f2f --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/007-cmdline_hack.patch @@ -0,0 +1,15 @@ +diff -urN linux-2.6.27.5/arch/mips/kernel/head.S linux-2.6.27.5.new/arch/mips/kernel/head.S +--- linux-2.6.27.5/arch/mips/kernel/head.S 2008-11-15 19:24:03.000000000 +0100 ++++ linux-2.6.27.5.new/arch/mips/kernel/head.S 2008-11-15 19:24:55.000000000 +0100 +@@ -123,6 +123,11 @@ + + j kernel_entry + nop ++ ++ ++EXPORT(_image_cmdline) ++ .ascii "CMDLINE:" ++ + #ifndef CONFIG_NO_EXCEPT_FILL + /* + * Reserved space for exception handlers. diff --git a/target/linux/rb532/patches-2.6.28/008-korina_reset_resource_buffer_size_1536.patch b/target/linux/rb532/patches-2.6.28/008-korina_reset_resource_buffer_size_1536.patch new file mode 100644 index 000000000..1db2e0ecb --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/008-korina_reset_resource_buffer_size_1536.patch @@ -0,0 +1,31 @@ +The new value is the one used in the external patch before and allows at +least a standard MTU of 1500 to be handled correctly. Impact of this +change gets visible when bigger packets are to be received, issuing: +| ping -s 492 <IP> +and bigger payload sized led to 100% packet loss. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- + drivers/net/korina.c | 5 ++++- + 1 files changed, 4 insertions(+), 1 deletions(-) + +diff --git a/drivers/net/korina.c b/drivers/net/korina.c +index fefb33d..e30c2f4 100644 +--- a/drivers/net/korina.c ++++ b/drivers/net/korina.c +@@ -84,7 +84,10 @@ + #define KORINA_NUM_RDS 64 /* number of receive descriptors */ + #define KORINA_NUM_TDS 64 /* number of transmit descriptors */ + +-#define KORINA_RBSIZE 536 /* size of one resource buffer = Ether MTU */ ++/* KORINA_RBSIZE is the hardware's default maximum receive ++ * frame size in bytes. Having this hardcoded means that there ++ * is no support for MTU sizes greater than 1500. */ ++#define KORINA_RBSIZE 1536 /* size of one resource buffer = Ether MTU */ + #define KORINA_RDS_MASK (KORINA_NUM_RDS - 1) + #define KORINA_TDS_MASK (KORINA_NUM_TDS - 1) + #define RD_RING_SIZE (KORINA_NUM_RDS * sizeof(struct dma_desc)) +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/009-korina_disable_napi_on_close_and_restart.patch b/target/linux/rb532/patches-2.6.28/009-korina_disable_napi_on_close_and_restart.patch new file mode 100644 index 000000000..4eec6fd05 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/009-korina_disable_napi_on_close_and_restart.patch @@ -0,0 +1,33 @@ +Without this the driver will crash when the NIC is being restarted. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- + drivers/net/korina.c | 4 ++++ + 1 files changed, 4 insertions(+), 0 deletions(-) + +diff --git a/drivers/net/korina.c b/drivers/net/korina.c +index e30c2f4..65b8487 100644 +--- a/drivers/net/korina.c ++++ b/drivers/net/korina.c +@@ -904,6 +904,8 @@ static int korina_restart(struct net_device *dev) + + korina_free_ring(dev); + ++ napi_disable(&lp->napi); ++ + ret = korina_init(dev); + if (ret < 0) { + printk(KERN_ERR DRV_NAME "%s: cannot restart device\n", +@@ -1070,6 +1072,8 @@ static int korina_close(struct net_device *dev) + + korina_free_ring(dev); + ++ napi_disable(&lp->napi); ++ + free_irq(lp->rx_irq, dev); + free_irq(lp->tx_irq, dev); + free_irq(lp->ovr_irq, dev); +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/010-korina_rework_korina_rx.patch b/target/linux/rb532/patches-2.6.28/010-korina_rework_korina_rx.patch new file mode 100644 index 000000000..177678b98 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/010-korina_rework_korina_rx.patch @@ -0,0 +1,138 @@ +This function needs an early exit condition to function properly, or +else caller assumes napi workload wasn't enough to handle all received +packets and korina_rx is called again (and again and again and ...). + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- +--- a/drivers/net/korina.c 2009-01-19 23:19:10.000000000 +0100 ++++ b/drivers/net/korina.c 2009-01-19 23:25:31.000000000 +0100 +@@ -353,15 +353,20 @@ + struct dma_desc *rd = &lp->rd_ring[lp->rx_next_done]; + struct sk_buff *skb, *skb_new; + u8 *pkt_buf; +- u32 devcs, pkt_len, dmas, rx_free_desc; ++ u32 devcs, pkt_len, dmas; + int count; + + dma_cache_inv((u32)rd, sizeof(*rd)); + + for (count = 0; count < limit; count++) { ++ skb = lp->rx_skb[lp->rx_next_done]; ++ skb_new = NULL; + + devcs = rd->devcs; + ++ if ((KORINA_RBSIZE - (u32)DMA_COUNT(rd->control)) == 0) ++ break; ++ + /* Update statistics counters */ + if (devcs & ETH_RX_CRC) + dev->stats.rx_crc_errors++; +@@ -384,64 +389,53 @@ + * in Rc32434 (errata ref #077) */ + dev->stats.rx_errors++; + dev->stats.rx_dropped++; +- } +- +- while ((rx_free_desc = KORINA_RBSIZE - (u32)DMA_COUNT(rd->control)) != 0) { +- /* init the var. used for the later +- * operations within the while loop */ +- skb_new = NULL; ++ } else if ((devcs & ETH_RX_ROK)) { + pkt_len = RCVPKT_LENGTH(devcs); +- skb = lp->rx_skb[lp->rx_next_done]; ++ /* must be the (first and) last ++ * descriptor then */ ++ pkt_buf = (u8 *)lp->rx_skb[lp->rx_next_done]->data; ++ ++ /* invalidate the cache */ ++ dma_cache_inv((unsigned long)pkt_buf, pkt_len - 4); ++ ++ /* Malloc up new buffer. */ ++ skb_new = netdev_alloc_skb(dev, KORINA_RBSIZE + 2); ++ ++ if (!skb_new) ++ break; ++ /* Do not count the CRC */ ++ skb_put(skb, pkt_len - 4); ++ skb->protocol = eth_type_trans(skb, dev); ++ ++ /* Pass the packet to upper layers */ ++ netif_receive_skb(skb); ++ dev->stats.rx_packets++; ++ dev->stats.rx_bytes += pkt_len; ++ ++ /* Update the mcast stats */ ++ if (devcs & ETH_RX_MP) ++ dev->stats.multicast++; + +- if ((devcs & ETH_RX_ROK)) { +- /* must be the (first and) last +- * descriptor then */ +- pkt_buf = (u8 *)lp->rx_skb[lp->rx_next_done]->data; +- +- /* invalidate the cache */ +- dma_cache_inv((unsigned long)pkt_buf, pkt_len - 4); +- +- /* Malloc up new buffer. */ +- skb_new = netdev_alloc_skb(dev, KORINA_RBSIZE + 2); +- +- if (!skb_new) +- break; +- /* Do not count the CRC */ +- skb_put(skb, pkt_len - 4); +- skb->protocol = eth_type_trans(skb, dev); +- +- /* Pass the packet to upper layers */ +- netif_receive_skb(skb); +- dev->last_rx = jiffies; +- dev->stats.rx_packets++; +- dev->stats.rx_bytes += pkt_len; +- +- /* Update the mcast stats */ +- if (devcs & ETH_RX_MP) +- dev->stats.multicast++; +- +- lp->rx_skb[lp->rx_next_done] = skb_new; +- } +- +- rd->devcs = 0; +- +- /* Restore descriptor's curr_addr */ +- if (skb_new) +- rd->ca = CPHYSADDR(skb_new->data); +- else +- rd->ca = CPHYSADDR(skb->data); ++ lp->rx_skb[lp->rx_next_done] = skb_new; ++ } ++ rd->devcs = 0; ++ ++ /* Restore descriptor's curr_addr */ ++ if (skb_new) ++ rd->ca = CPHYSADDR(skb_new->data); ++ else ++ rd->ca = CPHYSADDR(skb->data); + +- rd->control = DMA_COUNT(KORINA_RBSIZE) | ++ rd->control = DMA_COUNT(KORINA_RBSIZE) | + DMA_DESC_COD | DMA_DESC_IOD; +- lp->rd_ring[(lp->rx_next_done - 1) & +- KORINA_RDS_MASK].control &= +- ~DMA_DESC_COD; +- +- lp->rx_next_done = (lp->rx_next_done + 1) & KORINA_RDS_MASK; +- dma_cache_wback((u32)rd, sizeof(*rd)); +- rd = &lp->rd_ring[lp->rx_next_done]; +- writel(~DMA_STAT_DONE, &lp->rx_dma_regs->dmas); +- } ++ lp->rd_ring[(lp->rx_next_done - 1) & ++ KORINA_RDS_MASK].control &= ++ ~DMA_DESC_COD; ++ ++ lp->rx_next_done = (lp->rx_next_done + 1) & KORINA_RDS_MASK; ++ dma_cache_wback((u32)rd, sizeof(*rd)); ++ rd = &lp->rd_ring[lp->rx_next_done]; ++ writel(~DMA_STAT_DONE, &lp->rx_dma_regs->dmas); + } + + dmas = readl(&lp->rx_dma_regs->dmas); diff --git a/target/linux/rb532/patches-2.6.28/011-korina_do_schedule_napi_after_testing_it.patch b/target/linux/rb532/patches-2.6.28/011-korina_do_schedule_napi_after_testing_it.patch new file mode 100644 index 000000000..c5e1b9a40 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/011-korina_do_schedule_napi_after_testing_it.patch @@ -0,0 +1,18 @@ +The called netif_rx_schedule() does all the work for us: +- it checks the return value of netif_rx_schedule_prep() and +- if everything is ok calls __netif_rx_schedule(). +Before this change, the driver received absolutely nothing. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- +--- a/drivers/net/korina.c 2009-01-19 23:26:19.000000000 +0100 ++++ b/drivers/net/korina.c 2009-01-19 23:27:06.000000000 +0100 +@@ -330,7 +330,7 @@ + + dmas = readl(&lp->rx_dma_regs->dmas); + if (dmas & (DMA_STAT_DONE | DMA_STAT_HALT | DMA_STAT_ERR)) { +- netif_rx_schedule_prep(dev, &lp->napi); ++ netif_rx_schedule(dev, &lp->napi); + + dmasm = readl(&lp->rx_dma_regs->dmasm); + writel(dmasm | (DMA_STAT_DONE | diff --git a/target/linux/rb532/patches-2.6.28/012-korina_do_tx_at_right_position.patch b/target/linux/rb532/patches-2.6.28/012-korina_do_tx_at_right_position.patch new file mode 100644 index 000000000..101e869d0 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/012-korina_do_tx_at_right_position.patch @@ -0,0 +1,40 @@ +Triggering TX before the write to the DMA status mask register leads to +transferring packets with maximum payload no matter what the actual +packet size is. +While here, also trigger RX scheduling after writing the DMA status mask +register, like it was in the original driver before it was sent +upstream. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- +--- a/drivers/net/korina.c 2009-01-19 23:27:41.000000000 +0100 ++++ b/drivers/net/korina.c 2009-01-19 23:29:08.000000000 +0100 +@@ -330,12 +330,12 @@ + + dmas = readl(&lp->rx_dma_regs->dmas); + if (dmas & (DMA_STAT_DONE | DMA_STAT_HALT | DMA_STAT_ERR)) { +- netif_rx_schedule(dev, &lp->napi); +- + dmasm = readl(&lp->rx_dma_regs->dmasm); + writel(dmasm | (DMA_STAT_DONE | + DMA_STAT_HALT | DMA_STAT_ERR), + &lp->rx_dma_regs->dmasm); ++ ++ netif_rx_schedule(dev, &lp->napi); + + if (dmas & DMA_STAT_ERR) + printk(KERN_ERR DRV_NAME "%s: DMA error\n", dev->name); +@@ -621,11 +621,11 @@ + dmas = readl(&lp->tx_dma_regs->dmas); + + if (dmas & (DMA_STAT_FINI | DMA_STAT_ERR)) { +- korina_tx(dev); +- + dmasm = readl(&lp->tx_dma_regs->dmasm); + writel(dmasm | (DMA_STAT_FINI | DMA_STAT_ERR), + &lp->tx_dma_regs->dmasm); ++ ++ korina_tx(dev); + + if (lp->tx_chain_status == desc_filled && + (readl(&(lp->tx_dma_regs->dmandptr)) == 0)) { diff --git a/target/linux/rb532/patches-2.6.28/013-korina_fix_handling_tx_chain_tail.patch b/target/linux/rb532/patches-2.6.28/013-korina_fix_handling_tx_chain_tail.patch new file mode 100644 index 000000000..6babc3230 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/013-korina_fix_handling_tx_chain_tail.patch @@ -0,0 +1,87 @@ +Originally this must have been a rewrite error when introducing +'chain_index'. But the original driver did not use the previous chain +item everywhere: when altering the address tx_chain_tail points to, it +should move forward, not backwards. +Also this is not an "index" but rather the penultimate element in the +chain, so rename it accordingly. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- + drivers/net/korina.c | 22 +++++++++++----------- + 1 files changed, 11 insertions(+), 11 deletions(-) + +diff --git a/drivers/net/korina.c b/drivers/net/korina.c +index dced5e7..f200175 100644 +--- a/drivers/net/korina.c ++++ b/drivers/net/korina.c +@@ -199,7 +199,7 @@ static int korina_send_packet(struct sk_buff *skb, struct net_device *dev) + struct korina_private *lp = netdev_priv(dev); + unsigned long flags; + u32 length; +- u32 chain_index; ++ u32 chain_prev, chain_next; + struct dma_desc *td; + + spin_lock_irqsave(&lp->lock, flags); +@@ -231,8 +231,8 @@ static int korina_send_packet(struct sk_buff *skb, struct net_device *dev) + /* Setup the transmit descriptor. */ + dma_cache_inv((u32) td, sizeof(*td)); + td->ca = CPHYSADDR(skb->data); +- chain_index = (lp->tx_chain_tail - 1) & +- KORINA_TDS_MASK; ++ chain_prev = (lp->tx_chain_tail - 1) & KORINA_TDS_MASK; ++ chain_next = (lp->tx_chain_tail + 1) & KORINA_TDS_MASK; + + if (readl(&(lp->tx_dma_regs->dmandptr)) == 0) { + if (lp->tx_chain_status == desc_empty) { +@@ -240,7 +240,7 @@ static int korina_send_packet(struct sk_buff *skb, struct net_device *dev) + td->control = DMA_COUNT(length) | + DMA_DESC_COF | DMA_DESC_IOF; + /* Move tail */ +- lp->tx_chain_tail = chain_index; ++ lp->tx_chain_tail = chain_next; + /* Write to NDPTR */ + writel(CPHYSADDR(&lp->td_ring[lp->tx_chain_head]), + &lp->tx_dma_regs->dmandptr); +@@ -251,12 +251,12 @@ static int korina_send_packet(struct sk_buff *skb, struct net_device *dev) + td->control = DMA_COUNT(length) | + DMA_DESC_COF | DMA_DESC_IOF; + /* Link to prev */ +- lp->td_ring[chain_index].control &= ++ lp->td_ring[chain_prev].control &= + ~DMA_DESC_COF; + /* Link to prev */ +- lp->td_ring[chain_index].link = CPHYSADDR(td); ++ lp->td_ring[chain_prev].link = CPHYSADDR(td); + /* Move tail */ +- lp->tx_chain_tail = chain_index; ++ lp->tx_chain_tail = chain_next; + /* Write to NDPTR */ + writel(CPHYSADDR(&lp->td_ring[lp->tx_chain_head]), + &(lp->tx_dma_regs->dmandptr)); +@@ -270,17 +270,17 @@ static int korina_send_packet(struct sk_buff *skb, struct net_device *dev) + td->control = DMA_COUNT(length) | + DMA_DESC_COF | DMA_DESC_IOF; + /* Move tail */ +- lp->tx_chain_tail = chain_index; ++ lp->tx_chain_tail = chain_next; + lp->tx_chain_status = desc_filled; + netif_stop_queue(dev); + } else { + /* Update tail */ + td->control = DMA_COUNT(length) | + DMA_DESC_COF | DMA_DESC_IOF; +- lp->td_ring[chain_index].control &= ++ lp->td_ring[chain_prev].control &= + ~DMA_DESC_COF; +- lp->td_ring[chain_index].link = CPHYSADDR(td); +- lp->tx_chain_tail = chain_index; ++ lp->td_ring[chain_prev].link = CPHYSADDR(td); ++ lp->tx_chain_tail = chain_next; + } + } + dma_cache_wback((u32) td, sizeof(*td)); +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/014-korina_do_not_stop_queue_here.patch b/target/linux/rb532/patches-2.6.28/014-korina_do_not_stop_queue_here.patch new file mode 100644 index 000000000..79ae024b6 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/014-korina_do_not_stop_queue_here.patch @@ -0,0 +1,25 @@ +Apparently this doesn't make sense. Otherwise the queue gets disabled as +soon as it's getting empty and can only be resurrected by a driver +restart. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- + drivers/net/korina.c | 1 - + 1 files changed, 0 insertions(+), 1 deletions(-) + +diff --git a/drivers/net/korina.c b/drivers/net/korina.c +index f200175..bd33fa9 100644 +--- a/drivers/net/korina.c ++++ b/drivers/net/korina.c +@@ -272,7 +272,6 @@ static int korina_send_packet(struct sk_buff *skb, struct net_device *dev) + /* Move tail */ + lp->tx_chain_tail = chain_next; + lp->tx_chain_status = desc_filled; +- netif_stop_queue(dev); + } else { + /* Update tail */ + td->control = DMA_COUNT(length) | +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/015-korina_irqf_flags.patch b/target/linux/rb532/patches-2.6.28/015-korina_irqf_flags.patch new file mode 100644 index 000000000..74059fbeb --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/015-korina_irqf_flags.patch @@ -0,0 +1,53 @@ +As the kernel warning states: "IRQF_DISABLED is not guaranteed on shared +IRQs". Since these IRQs' values are hardcoded and my test system doesn't +show any shared use of IRQs at all, rather make them non-shared than +non-disabled. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- + drivers/net/korina.c | 8 ++++---- + 1 files changed, 4 insertions(+), 4 deletions(-) + +diff --git a/drivers/net/korina.c b/drivers/net/korina.c +index bd33fa9..1d6e48e 100644 +--- a/drivers/net/korina.c ++++ b/drivers/net/korina.c +@@ -1000,14 +1000,14 @@ static int korina_open(struct net_device *dev) + * that handles the Done Finished + * Ovr and Und Events */ + ret = request_irq(lp->rx_irq, &korina_rx_dma_interrupt, +- IRQF_SHARED | IRQF_DISABLED, "Korina ethernet Rx", dev); ++ IRQF_DISABLED, "Korina ethernet Rx", dev); + if (ret < 0) { + printk(KERN_ERR DRV_NAME "%s: unable to get Rx DMA IRQ %d\n", + dev->name, lp->rx_irq); + goto err_release; + } + ret = request_irq(lp->tx_irq, &korina_tx_dma_interrupt, +- IRQF_SHARED | IRQF_DISABLED, "Korina ethernet Tx", dev); ++ IRQF_DISABLED, "Korina ethernet Tx", dev); + if (ret < 0) { + printk(KERN_ERR DRV_NAME "%s: unable to get Tx DMA IRQ %d\n", + dev->name, lp->tx_irq); +@@ -1016,7 +1016,7 @@ static int korina_open(struct net_device *dev) + + /* Install handler for overrun error. */ + ret = request_irq(lp->ovr_irq, &korina_ovr_interrupt, +- IRQF_SHARED | IRQF_DISABLED, "Ethernet Overflow", dev); ++ IRQF_DISABLED, "Ethernet Overflow", dev); + if (ret < 0) { + printk(KERN_ERR DRV_NAME"%s: unable to get OVR IRQ %d\n", + dev->name, lp->ovr_irq); +@@ -1025,7 +1025,7 @@ static int korina_open(struct net_device *dev) + + /* Install handler for underflow error. */ + ret = request_irq(lp->und_irq, &korina_und_interrupt, +- IRQF_SHARED | IRQF_DISABLED, "Ethernet Underflow", dev); ++ IRQF_DISABLED, "Ethernet Underflow", dev); + if (ret < 0) { + printk(KERN_ERR DRV_NAME "%s: unable to get UND IRQ %d\n", + dev->name, lp->und_irq); +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/016-korina_drop_left_over_assignment.patch b/target/linux/rb532/patches-2.6.28/016-korina_drop_left_over_assignment.patch new file mode 100644 index 000000000..ab82cb5af --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/016-korina_drop_left_over_assignment.patch @@ -0,0 +1,34 @@ +As the assigned value is being overwritten shortly after, it can be +dropped and so the whole variable definition moved to the start of the +function. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- + drivers/net/korina.c | 3 +-- + 1 files changed, 1 insertions(+), 2 deletions(-) + +diff --git a/drivers/net/korina.c b/drivers/net/korina.c +index 60ae7bf..75010ca 100644 +--- a/drivers/net/korina.c ++++ b/drivers/net/korina.c +@@ -743,6 +743,7 @@ static struct ethtool_ops netdev_ethtool_ops = { + static void korina_alloc_ring(struct net_device *dev) + { + struct korina_private *lp = netdev_priv(dev); ++ struct sk_buff *skb; + int i; + + /* Initialize the transmit descriptors */ +@@ -758,8 +759,6 @@ static void korina_alloc_ring(struct net_device *dev) + + /* Initialize the receive descriptors */ + for (i = 0; i < KORINA_NUM_RDS; i++) { +- struct sk_buff *skb = lp->rx_skb[i]; +- + skb = dev_alloc_skb(KORINA_RBSIZE + 2); + if (!skb) + break; +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/017-korina_fix_loop_back_rx_desc.patch b/target/linux/rb532/patches-2.6.28/017-korina_fix_loop_back_rx_desc.patch new file mode 100644 index 000000000..0484f2cbe --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/017-korina_fix_loop_back_rx_desc.patch @@ -0,0 +1,36 @@ +After the last loop iteration, i has the value RC32434_NUM_RDS and +therefore leads to an index overflow when used afterwards to address the +last element. This is yet another another bug introduced when rewriting +parts of the driver for upstream preparation, as the original driver +used 'RC32434_NUM_RDS - 1' instead. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- + drivers/net/korina.c | 9 +++++---- + 1 files changed, 5 insertions(+), 4 deletions(-) + +diff --git a/drivers/net/korina.c b/drivers/net/korina.c +index 1d6e48e..67fbdf4 100644 +--- a/drivers/net/korina.c ++++ b/drivers/net/korina.c +@@ -769,11 +769,12 @@ static void korina_alloc_ring(struct net_device *dev) + lp->rd_ring[i].link = CPHYSADDR(&lp->rd_ring[i+1]); + } + +- /* loop back */ +- lp->rd_ring[i].link = CPHYSADDR(&lp->rd_ring[0]); +- lp->rx_next_done = 0; ++ /* loop back receive descriptors, so the last ++ * descriptor points to the first one */ ++ lp->rd_ring[i - 1].link = CPHYSADDR(&lp->rd_ring[0]); ++ lp->rd_ring[i - 1].control |= DMA_DESC_COD; + +- lp->rd_ring[i].control |= DMA_DESC_COD; ++ lp->rx_next_done = 0; + lp->rx_chain_head = 0; + lp->rx_chain_tail = 0; + lp->rx_chain_status = desc_empty; +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/018-korina_adjust_headroom.patch b/target/linux/rb532/patches-2.6.28/018-korina_adjust_headroom.patch new file mode 100644 index 000000000..f9f8daccc --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/018-korina_adjust_headroom.patch @@ -0,0 +1,28 @@ +This is copy and paste from the original driver. As skb_reserve() is +also called within korina_alloc_ring() when initially allocating the +receive descriptors, the same should be done when allocating new space +after passing an skb to upper layers. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- + drivers/net/korina.c | 3 +++ + 1 files changed, 3 insertions(+), 0 deletions(-) + +diff --git a/drivers/net/korina.c b/drivers/net/korina.c +index 67fbdf4..60ae7bf 100644 +--- a/drivers/net/korina.c ++++ b/drivers/net/korina.c +@@ -416,6 +416,9 @@ static int korina_rx(struct net_device *dev, int limit) + if (devcs & ETH_RX_MP) + dev->stats.multicast++; + ++ /* 16 bit align */ ++ skb_reserve(skb_new, 2); ++ + lp->rx_skb[lp->rx_next_done] = skb_new; + } + +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/019-korina_set_dev_field_allocated_skb.patch b/target/linux/rb532/patches-2.6.28/019-korina_set_dev_field_allocated_skb.patch new file mode 100644 index 000000000..bec351488 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/019-korina_set_dev_field_allocated_skb.patch @@ -0,0 +1,33 @@ +I'm not sure if this is necessary, but the original driver did it and +apparently also many other drivers do it, so it should not be completely +wrong to do it. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- + drivers/net/korina.c | 2 ++ + 1 files changed, 2 insertions(+), 0 deletions(-) + +diff --git a/drivers/net/korina.c b/drivers/net/korina.c +index 75010ca..56b4db2 100644 +--- a/drivers/net/korina.c ++++ b/drivers/net/korina.c +@@ -419,6 +419,7 @@ static int korina_rx(struct net_device *dev, int limit) + /* 16 bit align */ + skb_reserve(skb_new, 2); + ++ skb_new->dev = dev; + lp->rx_skb[lp->rx_next_done] = skb_new; + } + +@@ -763,6 +764,7 @@ static void korina_alloc_ring(struct net_device *dev) + if (!skb) + break; + skb_reserve(skb, 2); ++ skb->dev = dev; + lp->rx_skb[i] = skb; + lp->rd_ring[i].control = DMA_DESC_IOD | + DMA_COUNT(KORINA_RBSIZE); +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/020-rc32434_res_name.patch b/target/linux/rb532/patches-2.6.28/020-rc32434_res_name.patch new file mode 100644 index 000000000..e61ec8330 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/020-rc32434_res_name.patch @@ -0,0 +1,12 @@ +diff -urN linux-2.6.27.5/drivers/watchdog/rc32434_wdt.c linux-2.6.27.5.new/drivers/watchdog/rc32434_wdt.c +--- linux-2.6.27.5/drivers/watchdog/rc32434_wdt.c 2008-11-07 18:55:34.000000000 +0100 ++++ linux-2.6.27.5.new/drivers/watchdog/rc32434_wdt.c 2008-11-15 22:06:28.000000000 +0100 +@@ -261,7 +261,7 @@ + int ret; + struct resource *r; + +- r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rb500_wdt_res"); ++ r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rb532_wdt_res"); + if (!r) { + printk(KERN_ERR KBUILD_MODNAME + "failed to retrieve resources\n"); diff --git a/target/linux/rb532/patches-2.6.28/021-rb532_driver_data.patch b/target/linux/rb532/patches-2.6.28/021-rb532_driver_data.patch new file mode 100644 index 000000000..9aaeef334 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/021-rb532_driver_data.patch @@ -0,0 +1,26 @@ +As the korina ethernet driver uses platform_get_drvdata() to extract the +driver specific data from the platform device, driver_data has to be +used here. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- + arch/mips/rb532/devices.c | 2 +- + 1 files changed, 1 insertions(+), 1 deletions(-) + +diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c +index 9b6b744..3c74561 100644 +--- a/arch/mips/rb532/devices.c ++++ b/arch/mips/rb532/devices.c +@@ -89,7 +89,7 @@ static struct korina_device korina_dev0_data = { + static struct platform_device korina_dev0 = { + .id = -1, + .name = "korina", +- .dev.platform_data = &korina_dev0_data, ++ .dev.driver_data = &korina_dev0_data, + .resource = korina_dev0_res, + .num_resources = ARRAY_SIZE(korina_dev0_res), + }; +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/022-rb532_uart_autodetect.patch b/target/linux/rb532/patches-2.6.28/022-rb532_uart_autodetect.patch new file mode 100644 index 000000000..ae42a4dbc --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/022-rb532_uart_autodetect.patch @@ -0,0 +1,91 @@ +Auto-detection works just fine, so use it instead of specifying the type +manually. Also define a platform device for the uart, as suggested by +David Daney. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- + arch/mips/rb532/devices.c | 26 ++++++++++++++++++++++++++ + arch/mips/rb532/serial.c | 2 +- + 2 files changed, 27 insertions(+), 1 deletions(-) + +diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c +index c1c2918..9b6b744 100644 +--- a/arch/mips/rb532/devices.c ++++ b/arch/mips/rb532/devices.c +@@ -24,6 +24,7 @@ + #include <linux/mtd/partitions.h> + #include <linux/gpio_keys.h> + #include <linux/input.h> ++#include <linux/serial_8250.h> + + #include <asm/bootinfo.h> + +@@ -39,6 +40,8 @@ + #define ETH0_RX_DMA_ADDR (DMA0_BASE_ADDR + 0 * DMA_CHAN_OFFSET) + #define ETH0_TX_DMA_ADDR (DMA0_BASE_ADDR + 1 * DMA_CHAN_OFFSET) + ++extern unsigned int idt_cpu_freq; ++ + static struct resource korina_dev0_res[] = { + { + .name = "korina_regs", +@@ -214,12 +217,32 @@ static struct platform_device rb532_wdt = { + .num_resources = ARRAY_SIZE(rb532_wdt_res), + }; + ++static struct plat_serial8250_port rb532_uart_res[] = { ++ { ++ .membase = (char *)KSEG1ADDR(REGBASE + UART0BASE), ++ .irq = UART0_IRQ, ++ .regshift = 2, ++ .iotype = UPIO_MEM, ++ .flags = UPF_BOOT_AUTOCONF, ++ }, ++ { ++ .flags = 0, ++ } ++}; ++ ++static struct platform_device rb532_uart = { ++ .name = "serial8250", ++ .id = PLAT8250_DEV_PLATFORM, ++ .dev.platform_data = &rb532_uart_res, ++}; ++ + static struct platform_device *rb532_devs[] = { + &korina_dev0, + &nand_slot0, + &cf_slot0, + &rb532_led, + &rb532_button, ++ &rb532_uart, + &rb532_wdt + }; + +@@ -294,6 +317,9 @@ static int __init plat_setup_devices(void) + /* Initialise the NAND device */ + rb532_nand_setup(); + ++ /* set the uart clock to the current cpu frequency */ ++ rb532_uart_res[0].uartclk = idt_cpu_freq; ++ + return platform_add_devices(rb532_devs, ARRAY_SIZE(rb532_devs)); + } + +diff --git a/arch/mips/rb532/serial.c b/arch/mips/rb532/serial.c +index 3e0d7ec..00ed19f 100644 +--- a/arch/mips/rb532/serial.c ++++ b/arch/mips/rb532/serial.c +@@ -36,7 +36,7 @@ + extern unsigned int idt_cpu_freq; + + static struct uart_port rb532_uart = { +- .type = PORT_16550A, ++ .flags = UPF_BOOT_AUTOCONF, + .line = 0, + .irq = UART0_IRQ, + .iotype = UPIO_MEM, +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/023-rb532_fix_init_of_rb532_dev3_ctl_res.patch b/target/linux/rb532/patches-2.6.28/023-rb532_fix_init_of_rb532_dev3_ctl_res.patch new file mode 100644 index 000000000..64a6d8934 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/023-rb532_fix_init_of_rb532_dev3_ctl_res.patch @@ -0,0 +1,32 @@ +This register just contains the address of the actual resource, so +initialisation has to be the same as cf_slot0_res and nand_slot0_res. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- +diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c +index d75eb19..40deb11 100644 +--- a/arch/mips/rb532/gpio.c ++++ b/arch/mips/rb532/gpio.c +@@ -55,8 +55,6 @@ static struct resource rb532_gpio_reg0_res[] = { + static struct resource rb532_dev3_ctl_res[] = { + { + .name = "dev3_ctl", +- .start = REGBASE + DEV3BASE, +- .end = REGBASE + DEV3BASE + sizeof(struct dev_reg) - 1, + .flags = IORESOURCE_MEM, + } + }; +@@ -243,6 +241,9 @@ int __init rb532_gpio_init(void) + /* Register our GPIO chip */ + gpiochip_add(&rb532_gpio_chip->chip); + ++ rb532_dev3_ctl_res[0].start = readl(IDT434_REG_BASE + DEV3BASE); ++ rb532_dev3_ctl_res[0].end = rb532_dev3_ctl_res[0].start + 0x1000; ++ + r = rb532_dev3_ctl_res; + dev3.base = ioremap_nocache(r->start, r->end - r->start); + +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/024-rb532_fix_set_latch_u5.patch b/target/linux/rb532/patches-2.6.28/024-rb532_fix_set_latch_u5.patch new file mode 100644 index 000000000..fc0c77ec2 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/024-rb532_fix_set_latch_u5.patch @@ -0,0 +1,23 @@ +The data to be written is just a byte, so use writeb instead of writel. +Also, dev3.base contains the address, not the data so referencing here +is wrong. + +Signed-off-by: Phil Sutter <n0-1@freewrt.org> +--- +diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c +index 40deb11..7e0cb4f 100644 +--- a/arch/mips/rb532/gpio.c ++++ b/arch/mips/rb532/gpio.c +@@ -93,7 +93,7 @@ void set_latch_u5(unsigned char or_mask, unsigned char nand_mask) + spin_lock_irqsave(&dev3.lock, flags); + + dev3.state = (dev3.state | or_mask) & ~nand_mask; +- writel(dev3.state, &dev3.base); ++ writeb(dev3.state, dev3.base); + + spin_unlock_irqrestore(&dev3.lock, flags); + } +-- +1.5.6.4 + + diff --git a/target/linux/rb532/patches-2.6.28/025-rb532_nand_fixup.patch b/target/linux/rb532/patches-2.6.28/025-rb532_nand_fixup.patch new file mode 100644 index 000000000..709160980 --- /dev/null +++ b/target/linux/rb532/patches-2.6.28/025-rb532_nand_fixup.patch @@ -0,0 +1,48 @@ +--- a/arch/mips/rb532/devices.c 2009-01-25 13:36:15.000000000 +0100 ++++ b/arch/mips/rb532/devices.c 2009-01-25 14:00:56.000000000 +0100 +@@ -119,6 +119,19 @@ + }; + + /* Resources and device for NAND */ ++ ++/* ++ * We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader ++ * will not be able to find the kernel that we load. So set the oobinfo ++ * when creating the partitions ++ */ ++static struct nand_ecclayout rb532_nand_ecclayout = { ++ .eccbytes = 6, ++ .eccpos = { 8, 9, 10, 13, 14, 15 }, ++ .oobavail = 9, ++ .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } } ++}; ++ + static int rb532_dev_ready(struct mtd_info *mtd) + { + return gpio_get_value(GPIO_RDY); +@@ -277,6 +290,16 @@ + /* NAND definitions */ + #define NAND_CHIP_DELAY 25 + ++static int rb532_nand_fixup(struct mtd_info *mtd) ++{ ++ struct nand_chip *chip = mtd->priv; ++ ++ if (mtd->writesize == 512) ++ chip->ecc.layout = &rb532_nand_ecclayout; ++ ++ return 0; ++} ++ + static void __init rb532_nand_setup(void) + { + switch (mips_machtype) { +@@ -296,6 +319,8 @@ + rb532_nand_data.chip.partitions = rb532_partition_info; + rb532_nand_data.chip.chip_delay = NAND_CHIP_DELAY; + rb532_nand_data.chip.options = NAND_NO_AUTOINCR; ++ ++ rb532_nand_data.chip.chip_fixup = &rb532_nand_fixup; + } + + |