From e268ce3ada4d6a15d48d1065a6e5a2ab80b43cb5 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Sun, 10 Jan 2010 15:19:38 +0100 Subject: implement update for foxboard --- package/base-files/extra/sbin/update | 11 +- target/foxboard/Makefile | 11 +- target/foxboard/patches/cris.patch | 6988 ++++++++++++++++++++++++++++++++-- 3 files changed, 6722 insertions(+), 288 deletions(-) diff --git a/package/base-files/extra/sbin/update b/package/base-files/extra/sbin/update index 0cd4ee713..c51962f5b 100755 --- a/package/base-files/extra/sbin/update +++ b/package/base-files/extra/sbin/update @@ -6,6 +6,11 @@ if [ $who -ne 0 ]; then exit 1 fi +if [ -x /sbin/mtd ];then + updatecmd="mtd -r write - linux" +else + updatecmd="gunzip -c | tar -xf -" +fi check_exit() { if [ $? -ne 0 ];then @@ -22,19 +27,19 @@ prepare() { extract_from_file() { prepare - cat $1 | gunzip -c | tar -xf - + cat $1 | $updatecmd check_exit } extract_from_ssh() { prepare - ssh $1 "cat $2" | gunzip -c | tar -xf - + ssh $1 "cat $2" | $updatecmd check_exit } extract_from_http() { prepare - wget -O - $1 | gunzip -c | tar -xf - + wget -O - $1 | $updatecmd check_exit } diff --git a/target/foxboard/Makefile b/target/foxboard/Makefile index a21647355..dd6e167c2 100644 --- a/target/foxboard/Makefile +++ b/target/foxboard/Makefile @@ -24,10 +24,13 @@ ifeq ($(FS),squashfs) imageinstall: $(BIN_DIR)/$(ROOTFSSQUASHFS) dd if=${BUILD_DIR}/${ROOTFSSQUASHFS} of=${BIN_DIR}/${ROOTFSSQUASHFS} \ bs=4063232 conv=sync $(MAKE_TRACE) - @echo - @echo Use sudo ./boot_linux -F -i $(ROOTFSSQUASHFS) to flash - @echo Do not forget to set network boot jumper, before you start the foxboard - @echo 'Login as user root with password linux123 via ssh or console' + @if [ $$(stat --format=%s ${BIN_DIR}/${ROOTFSSQUASHFS}) -gt 4063232 ];then \ + echo 'Image is too big!'; \ + else \ + echo 'Use sudo ./boot_linux -F -i $(ROOTFSSQUASHFS) to flash'; \ + echo 'Do not forget to set the network boot jumper, before you start the foxboard'; \ + echo 'Login as user root with password linux123 via ssh or console'; \ + fi endif ifeq ($(FS),nfsroot) imageinstall: ${BIN_DIR}/${ROOTFSTARBALL} diff --git a/target/foxboard/patches/cris.patch b/target/foxboard/patches/cris.patch index 277e1757d..3c6bca534 100644 --- a/target/foxboard/patches/cris.patch +++ b/target/foxboard/patches/cris.patch @@ -1,7 +1,16 @@ -diff -Nur linux-2.6.31.5.orig/arch/cris/arch-v10/drivers/axisflashmap.c linux-2.6.31.5/arch/cris/arch-v10/drivers/axisflashmap.c ---- linux-2.6.31.5.orig/arch/cris/arch-v10/drivers/axisflashmap.c 2009-10-23 00:57:56.000000000 +0200 -+++ linux-2.6.31.5/arch/cris/arch-v10/drivers/axisflashmap.c 2009-11-09 21:10:52.565914436 +0100 -@@ -122,19 +122,19 @@ +diff -Nur linux-2.6.32.orig/arch/cris/arch-v10/drivers/axisflashmap.c linux-2.6.32/arch/cris/arch-v10/drivers/axisflashmap.c +--- linux-2.6.32.orig/arch/cris/arch-v10/drivers/axisflashmap.c 2009-12-03 04:51:21.000000000 +0100 ++++ linux-2.6.32/arch/cris/arch-v10/drivers/axisflashmap.c 2010-01-10 14:34:37.376309632 +0100 +@@ -113,7 +113,7 @@ + + /* If no partition-table was found, we use this default-set. */ + #define MAX_PARTITIONS 7 +-#define NUM_DEFAULT_PARTITIONS 3 ++#define NUM_DEFAULT_PARTITIONS 4 + + /* + * Default flash size is 2MB. CONFIG_ETRAX_PTABLE_SECTOR is most likely the +@@ -122,19 +122,24 @@ */ static struct mtd_partition axis_default_partitions[NUM_DEFAULT_PARTITIONS] = { { @@ -26,10 +35,15 @@ diff -Nur linux-2.6.31.5.orig/arch/cris/arch-v10/drivers/axisflashmap.c linux-2. + .name = "cfgfs", + .size = 0x20000 , + .offset = CONFIG_ETRAX_MTD_SIZE - 0x20000 ++ }, ++ { ++ .name = "linux", ++ .size = CONFIG_ETRAX_MTD_SIZE - 0x20000, ++ .offset = 0 } }; -@@ -281,6 +281,11 @@ +@@ -281,6 +286,11 @@ struct partitiontable_entry *ptable; int use_default_ptable = 1; /* Until proven otherwise. */ const char pmsg[] = " /dev/flash%d at 0x%08x, size 0x%08x\n"; @@ -41,7 +55,7 @@ diff -Nur linux-2.6.31.5.orig/arch/cris/arch-v10/drivers/axisflashmap.c linux-2. if (!(mymtd = flash_probe())) { /* There's no reason to use this module if no flash chip can -@@ -292,6 +297,31 @@ +@@ -292,6 +302,31 @@ mymtd->name, mymtd->size); axisflash_mtd = mymtd; } @@ -73,7 +87,7 @@ diff -Nur linux-2.6.31.5.orig/arch/cris/arch-v10/drivers/axisflashmap.c linux-2. if (mymtd) { mymtd->owner = THIS_MODULE; -@@ -360,21 +390,6 @@ +@@ -360,21 +395,6 @@ use_default_ptable = !ptable_ok; } @@ -95,7 +109,7 @@ diff -Nur linux-2.6.31.5.orig/arch/cris/arch-v10/drivers/axisflashmap.c linux-2. #ifdef CONFIG_ETRAX_AXISFLASHMAP_MTD0WHOLE if (mymtd) { main_partition.size = mymtd->size; -@@ -397,36 +412,6 @@ +@@ -397,36 +417,6 @@ if (err) panic("axisflashmap could not add MTD partitions!\n"); } @@ -132,9 +146,9 @@ diff -Nur linux-2.6.31.5.orig/arch/cris/arch-v10/drivers/axisflashmap.c linux-2. return err; } -diff -Nur linux-2.6.31.5.orig/arch/cris/arch-v10/drivers/ds1302.c linux-2.6.31.5/arch/cris/arch-v10/drivers/ds1302.c ---- linux-2.6.31.5.orig/arch/cris/arch-v10/drivers/ds1302.c 2009-10-23 00:57:56.000000000 +0200 -+++ linux-2.6.31.5/arch/cris/arch-v10/drivers/ds1302.c 2009-11-09 21:10:52.569915505 +0100 +diff -Nur linux-2.6.32.orig/arch/cris/arch-v10/drivers/ds1302.c linux-2.6.32/arch/cris/arch-v10/drivers/ds1302.c +--- linux-2.6.32.orig/arch/cris/arch-v10/drivers/ds1302.c 2009-12-03 04:51:21.000000000 +0100 ++++ linux-2.6.32/arch/cris/arch-v10/drivers/ds1302.c 2010-01-10 13:41:59.256309588 +0100 @@ -21,6 +21,7 @@ #include #include @@ -164,272 +178,6596 @@ diff -Nur linux-2.6.31.5.orig/arch/cris/arch-v10/drivers/ds1302.c linux-2.6.31.5 + NULL, "rtc"); + #endif + - return 0; - - } -diff -Nur linux-2.6.31.5.orig/arch/cris/arch-v10/drivers/gpio.c linux-2.6.31.5/arch/cris/arch-v10/drivers/gpio.c ---- linux-2.6.31.5.orig/arch/cris/arch-v10/drivers/gpio.c 2009-10-23 00:57:56.000000000 +0200 -+++ linux-2.6.31.5/arch/cris/arch-v10/drivers/gpio.c 2009-11-09 21:10:52.569915505 +0100 -@@ -21,6 +21,7 @@ - #include - #include - #include -+#include - - #include - #include -@@ -771,6 +772,10 @@ - - /* main driver initialization routine, called from mem.c */ - -+#ifdef CONFIG_SYSFS -+static struct class *gpio_class; + return 0; + + } +diff -Nur linux-2.6.32.orig/arch/cris/arch-v10/drivers/gpio.c linux-2.6.32/arch/cris/arch-v10/drivers/gpio.c +--- linux-2.6.32.orig/arch/cris/arch-v10/drivers/gpio.c 2009-12-03 04:51:21.000000000 +0100 ++++ linux-2.6.32/arch/cris/arch-v10/drivers/gpio.c 2010-01-10 13:41:59.256309588 +0100 +@@ -21,6 +21,7 @@ + #include + #include + #include ++#include + + #include + #include +@@ -771,6 +772,10 @@ + + /* main driver initialization routine, called from mem.c */ + ++#ifdef CONFIG_SYSFS ++static struct class *gpio_class; ++#endif ++ + static int __init gpio_init(void) + { + int res; +@@ -784,6 +789,13 @@ + return res; + } + ++#ifdef CONFIG_SYSFS ++ gpio_class = class_create(THIS_MODULE, "gpio"); ++ device_create(gpio_class, NULL, MKDEV(GPIO_MAJOR, 0), NULL, "gpioa"); ++ device_create(gpio_class, NULL, MKDEV(GPIO_MAJOR, 1), NULL, "gpiob"); ++ device_create(gpio_class, NULL, MKDEV(GPIO_MAJOR, 2), NULL, "leds"); ++ device_create(gpio_class, NULL, MKDEV(GPIO_MAJOR, 3), NULL, "gpiog"); ++#endif + /* Clear all leds */ + #if defined (CONFIG_ETRAX_CSP0_LEDS) || defined (CONFIG_ETRAX_PA_LEDS) || defined (CONFIG_ETRAX_PB_LEDS) + CRIS_LED_NETWORK_SET(0); +diff -Nur linux-2.6.32.orig/arch/cris/arch-v10/lib/hw_settings.S linux-2.6.32/arch/cris/arch-v10/lib/hw_settings.S +--- linux-2.6.32.orig/arch/cris/arch-v10/lib/hw_settings.S 2009-12-03 04:51:21.000000000 +0100 ++++ linux-2.6.32/arch/cris/arch-v10/lib/hw_settings.S 2010-01-10 13:41:59.256309588 +0100 +@@ -60,3 +60,5 @@ + .dword R_PORT_PB_SET + .dword PB_SET_VALUE + .dword 0 ; No more register values ++ .ascii "ACME_PART_MAGIC" ++ .dword 0xdeadc0de +diff -Nur linux-2.6.32.orig/arch/cris/arch-v10/mm/init.c linux-2.6.32/arch/cris/arch-v10/mm/init.c +--- linux-2.6.32.orig/arch/cris/arch-v10/mm/init.c 2009-12-03 04:51:21.000000000 +0100 ++++ linux-2.6.32/arch/cris/arch-v10/mm/init.c 2010-01-10 13:41:59.256309588 +0100 +@@ -184,6 +184,9 @@ + + free_area_init_node(0, zones_size, PAGE_OFFSET >> PAGE_SHIFT, 0); + } ++void free_initrd_mem(unsigned long start, unsigned long end) ++{ ++} + + /* Initialize remaps of some I/O-ports. It is important that this + * is called before any driver is initialized. +diff -Nur linux-2.6.32.orig/arch/cris/boot/compressed/Makefile linux-2.6.32/arch/cris/boot/compressed/Makefile +--- linux-2.6.32.orig/arch/cris/boot/compressed/Makefile 2009-12-03 04:51:21.000000000 +0100 ++++ linux-2.6.32/arch/cris/boot/compressed/Makefile 2010-01-10 13:41:59.256309588 +0100 +@@ -18,7 +18,7 @@ + OBJECTS-$(CONFIG_ETRAX_ARCH_V32) = $(obj)/head_v32.o + OBJECTS-$(CONFIG_ETRAX_ARCH_V10) = $(obj)/head_v10.o + OBJECTS= $(OBJECTS-y) $(obj)/misc.o +-OBJCOPYFLAGS = -O binary --remove-section=.bss ++#OBJCOPYFLAGS = -O binary --remove-section=.bss + + quiet_cmd_image = BUILD $@ + cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@ +diff -Nur linux-2.6.32.orig/arch/cris/boot/compressed/misc.c linux-2.6.32/arch/cris/boot/compressed/misc.c +--- linux-2.6.32.orig/arch/cris/boot/compressed/misc.c 2009-12-03 04:51:21.000000000 +0100 ++++ linux-2.6.32/arch/cris/boot/compressed/misc.c 2010-01-10 13:41:59.256309588 +0100 +@@ -106,7 +106,7 @@ + + static void flush_window(void); + static void error(char *m); +-static void puts(const char *); ++static void putstr(const char *); + + extern char *input_data; /* lives in head.S */ + +@@ -139,7 +139,7 @@ + } + #endif + +-static void puts(const char *s) ++static void putstr(const char *s) + { + #ifndef CONFIG_ETRAX_DEBUG_PORT_NULL + while (*s) { +@@ -233,9 +233,9 @@ + + static void error(char *x) + { +- puts("\n\n"); +- puts(x); +- puts("\n\n -- System halted\n"); ++ putstr("\n\n"); ++ putstr(x); ++ putstr("\n\n -- System halted\n"); + + while(1); /* Halt */ + } +@@ -378,14 +378,14 @@ + __asm__ volatile ("move $vr,%0" : "=rm" (revision)); + if (revision < compile_rev) { + #ifdef CONFIG_ETRAX_ARCH_V32 +- puts("You need an ETRAX FS to run Linux 2.6/crisv32\n"); ++ putstr("You need an ETRAX FS to run Linux 2.6/crisv32\n"); + #else +- puts("You need an ETRAX 100LX to run linux 2.6\n"); ++ putstr("You need an ETRAX 100LX to run linux 2.6\n"); + #endif + while(1); + } + +- puts("Uncompressing Linux...\n"); ++ putstr("Uncompressing Linux...\n"); + gunzip(); +- puts("Done. Now booting the kernel\n"); ++ putstr("Done. Now booting the kernel\n"); + } +diff -Nur linux-2.6.32.orig/arch/cris/boot/Makefile linux-2.6.32/arch/cris/boot/Makefile +--- linux-2.6.32.orig/arch/cris/boot/Makefile 2009-12-03 04:51:21.000000000 +0100 ++++ linux-2.6.32/arch/cris/boot/Makefile 2010-01-10 13:41:59.256309588 +0100 +@@ -5,7 +5,7 @@ + objcopyflags-$(CONFIG_ETRAX_ARCH_V10) += -R .note -R .comment + objcopyflags-$(CONFIG_ETRAX_ARCH_V32) += --remove-section=.bss + +-OBJCOPYFLAGS = -O binary $(objcopyflags-y) ++#OBJCOPYFLAGS = -O binary $(objcopyflags-y) + + + subdir- := compressed rescue +@@ -17,7 +17,6 @@ + + $(obj)/compressed/vmlinux: $(obj)/Image FORCE + $(Q)$(MAKE) $(build)=$(obj)/compressed $@ +- $(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin + + $(obj)/zImage: $(obj)/compressed/vmlinux + @cp $< $@ +diff -Nur linux-2.6.32.orig/arch/cris/Kconfig linux-2.6.32/arch/cris/Kconfig +--- linux-2.6.32.orig/arch/cris/Kconfig 2009-12-03 04:51:21.000000000 +0100 ++++ linux-2.6.32/arch/cris/Kconfig 2010-01-10 13:41:59.256309588 +0100 +@@ -168,6 +168,12 @@ + help + Size of DRAM (decimal in MB) typically 2, 8 or 16. + ++config ETRAX_MTD_SIZE ++ hex "MTD size (hex)" ++ default "0x00800000" ++ help ++ Size of MTD device typically 4 or 8 MB. ++ + config ETRAX_VMEM_SIZE + int "Video memory size (dec, in MB)" + depends on ETRAX_ARCH_V32 && !ETRAXFS +@@ -273,7 +279,7 @@ + select MTD_CFI_AMDSTD + select MTD_JEDECPROBE if ETRAX_ARCH_V32 + select MTD_CHAR +- select MTD_BLOCK ++ select MTD_BLOCK_RO + select MTD_PARTITIONS + select MTD_CONCAT + select MTD_COMPLEX_MAPPINGS +@@ -662,6 +668,11 @@ + + source "drivers/ide/Kconfig" + ++#mysteriously part of this standard linux driver was removed from cris build! - info@crisos.org ++source "drivers/scsi/Kconfig" ++ ++source "drivers/media/Kconfig" ++ + source "drivers/net/Kconfig" + + source "drivers/i2c/Kconfig" +diff -Nur linux-2.6.32.orig/arch/cris/Makefile linux-2.6.32/arch/cris/Makefile +--- linux-2.6.32.orig/arch/cris/Makefile 2009-12-03 04:51:21.000000000 +0100 ++++ linux-2.6.32/arch/cris/Makefile 2010-01-10 13:41:59.256309588 +0100 +@@ -40,10 +40,10 @@ + + LD = $(CROSS_COMPILE)ld -mcrislinux + +-OBJCOPYFLAGS := -O binary -R .note -R .comment -S ++OBJCOPYFLAGS := -O binary -R .bss -R .note -R .note.gnu.build-id -R .comment -S + + KBUILD_AFLAGS += -mlinux -march=$(arch-y) $(inc) +-KBUILD_CFLAGS += -mlinux -march=$(arch-y) -pipe $(inc) ++KBUILD_CFLAGS += -mlinux -march=$(arch-y) -pipe -fno-peephole2 $(inc) + KBUILD_CPPFLAGS += $(inc) + + ifdef CONFIG_FRAME_POINTER +diff -Nur linux-2.6.32.orig/drivers/net/cris/eth_v10.c linux-2.6.32/drivers/net/cris/eth_v10.c +--- linux-2.6.32.orig/drivers/net/cris/eth_v10.c 2009-12-03 04:51:21.000000000 +0100 ++++ linux-2.6.32/drivers/net/cris/eth_v10.c 2010-01-10 13:41:59.256309588 +0100 +@@ -1725,7 +1725,7 @@ + static void + e100_netpoll(struct net_device* netdev) + { +- e100rxtx_interrupt(NETWORK_DMA_TX_IRQ_NBR, netdev, NULL); ++ e100rxtx_interrupt(NETWORK_DMA_TX_IRQ_NBR, netdev); + } + #endif + +diff -Nur linux-2.6.32.orig/drivers/net/cris/eth_v10.c.orig linux-2.6.32/drivers/net/cris/eth_v10.c.orig +--- linux-2.6.32.orig/drivers/net/cris/eth_v10.c.orig 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.32/drivers/net/cris/eth_v10.c.orig 2009-12-03 04:51:21.000000000 +0100 +@@ -0,0 +1,1760 @@ ++/* ++ * e100net.c: A network driver for the ETRAX 100LX network controller. ++ * ++ * Copyright (c) 1998-2002 Axis Communications AB. ++ * ++ * The outline of this driver comes from skeleton.c. ++ * ++ */ ++ ++ ++#include ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include /* DMA and register descriptions */ ++#include /* CRIS_LED_* I/O functions */ ++#include ++#include ++#include ++#include ++#include ++#include ++ ++//#define ETHDEBUG ++#define D(x) ++ ++/* ++ * The name of the card. Is used for messages and in the requests for ++ * io regions, irqs and dma channels ++ */ ++ ++static const char* cardname = "ETRAX 100LX built-in ethernet controller"; ++ ++/* A default ethernet address. Highlevel SW will set the real one later */ ++ ++static struct sockaddr default_mac = { ++ 0, ++ { 0x00, 0x40, 0x8C, 0xCD, 0x00, 0x00 } ++}; ++ ++/* Information that need to be kept for each board. */ ++struct net_local { ++ struct net_device_stats stats; ++ struct mii_if_info mii_if; ++ ++ /* Tx control lock. This protects the transmit buffer ring ++ * state along with the "tx full" state of the driver. This ++ * means all netif_queue flow control actions are protected ++ * by this lock as well. ++ */ ++ spinlock_t lock; ++ ++ spinlock_t led_lock; /* Protect LED state */ ++ spinlock_t transceiver_lock; /* Protect transceiver state. */ ++}; ++ ++typedef struct etrax_eth_descr ++{ ++ etrax_dma_descr descr; ++ struct sk_buff* skb; ++} etrax_eth_descr; ++ ++/* Some transceivers requires special handling */ ++struct transceiver_ops ++{ ++ unsigned int oui; ++ void (*check_speed)(struct net_device* dev); ++ void (*check_duplex)(struct net_device* dev); ++}; ++ ++/* Duplex settings */ ++enum duplex ++{ ++ half, ++ full, ++ autoneg ++}; ++ ++/* Dma descriptors etc. */ ++ ++#define MAX_MEDIA_DATA_SIZE 1522 ++ ++#define MIN_PACKET_LEN 46 ++#define ETHER_HEAD_LEN 14 ++ ++/* ++** MDIO constants. ++*/ ++#define MDIO_START 0x1 ++#define MDIO_READ 0x2 ++#define MDIO_WRITE 0x1 ++#define MDIO_PREAMBLE 0xfffffffful ++ ++/* Broadcom specific */ ++#define MDIO_AUX_CTRL_STATUS_REG 0x18 ++#define MDIO_BC_FULL_DUPLEX_IND 0x1 ++#define MDIO_BC_SPEED 0x2 ++ ++/* TDK specific */ ++#define MDIO_TDK_DIAGNOSTIC_REG 18 ++#define MDIO_TDK_DIAGNOSTIC_RATE 0x400 ++#define MDIO_TDK_DIAGNOSTIC_DPLX 0x800 ++ ++/*Intel LXT972A specific*/ ++#define MDIO_INT_STATUS_REG_2 0x0011 ++#define MDIO_INT_FULL_DUPLEX_IND (1 << 9) ++#define MDIO_INT_SPEED (1 << 14) ++ ++/* Network flash constants */ ++#define NET_FLASH_TIME (HZ/50) /* 20 ms */ ++#define NET_FLASH_PAUSE (HZ/100) /* 10 ms */ ++#define NET_LINK_UP_CHECK_INTERVAL (2*HZ) /* 2 s */ ++#define NET_DUPLEX_CHECK_INTERVAL (2*HZ) /* 2 s */ ++ ++#define NO_NETWORK_ACTIVITY 0 ++#define NETWORK_ACTIVITY 1 ++ ++#define NBR_OF_RX_DESC 32 ++#define NBR_OF_TX_DESC 16 ++ ++/* Large packets are sent directly to upper layers while small packets are */ ++/* copied (to reduce memory waste). The following constant decides the breakpoint */ ++#define RX_COPYBREAK 256 ++ ++/* Due to a chip bug we need to flush the cache when descriptors are returned */ ++/* to the DMA. To decrease performance impact we return descriptors in chunks. */ ++/* The following constant determines the number of descriptors to return. */ ++#define RX_QUEUE_THRESHOLD NBR_OF_RX_DESC/2 ++ ++#define GET_BIT(bit,val) (((val) >> (bit)) & 0x01) ++ ++/* Define some macros to access ETRAX 100 registers */ ++#define SETF(var, reg, field, val) var = (var & ~IO_MASK_(reg##_, field##_)) | \ ++ IO_FIELD_(reg##_, field##_, val) ++#define SETS(var, reg, field, val) var = (var & ~IO_MASK_(reg##_, field##_)) | \ ++ IO_STATE_(reg##_, field##_, _##val) ++ ++static etrax_eth_descr *myNextRxDesc; /* Points to the next descriptor to ++ to be processed */ ++static etrax_eth_descr *myLastRxDesc; /* The last processed descriptor */ ++ ++static etrax_eth_descr RxDescList[NBR_OF_RX_DESC] __attribute__ ((aligned(32))); ++ ++static etrax_eth_descr* myFirstTxDesc; /* First packet not yet sent */ ++static etrax_eth_descr* myLastTxDesc; /* End of send queue */ ++static etrax_eth_descr* myNextTxDesc; /* Next descriptor to use */ ++static etrax_eth_descr TxDescList[NBR_OF_TX_DESC] __attribute__ ((aligned(32))); ++ ++static unsigned int network_rec_config_shadow = 0; ++ ++static unsigned int network_tr_ctrl_shadow = 0; ++ ++/* Network speed indication. */ ++static DEFINE_TIMER(speed_timer, NULL, 0, 0); ++static DEFINE_TIMER(clear_led_timer, NULL, 0, 0); ++static int current_speed; /* Speed read from transceiver */ ++static int current_speed_selection; /* Speed selected by user */ ++static unsigned long led_next_time; ++static int led_active; ++static int rx_queue_len; ++ ++/* Duplex */ ++static DEFINE_TIMER(duplex_timer, NULL, 0, 0); ++static int full_duplex; ++static enum duplex current_duplex; ++ ++/* Index to functions, as function prototypes. */ ++ ++static int etrax_ethernet_init(void); ++ ++static int e100_open(struct net_device *dev); ++static int e100_set_mac_address(struct net_device *dev, void *addr); ++static int e100_send_packet(struct sk_buff *skb, struct net_device *dev); ++static irqreturn_t e100rxtx_interrupt(int irq, void *dev_id); ++static irqreturn_t e100nw_interrupt(int irq, void *dev_id); ++static void e100_rx(struct net_device *dev); ++static int e100_close(struct net_device *dev); ++static int e100_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd); ++static int e100_set_config(struct net_device* dev, struct ifmap* map); ++static void e100_tx_timeout(struct net_device *dev); ++static struct net_device_stats *e100_get_stats(struct net_device *dev); ++static void set_multicast_list(struct net_device *dev); ++static void e100_hardware_send_packet(struct net_local* np, char *buf, int length); ++static void update_rx_stats(struct net_device_stats *); ++static void update_tx_stats(struct net_device_stats *); ++static int e100_probe_transceiver(struct net_device* dev); ++ ++static void e100_check_speed(unsigned long priv); ++static void e100_set_speed(struct net_device* dev, unsigned long speed); ++static void e100_check_duplex(unsigned long priv); ++static void e100_set_duplex(struct net_device* dev, enum duplex); ++static void e100_negotiate(struct net_device* dev); ++ ++static int e100_get_mdio_reg(struct net_device *dev, int phy_id, int location); ++static void e100_set_mdio_reg(struct net_device *dev, int phy_id, int location, int value); ++ ++static void e100_send_mdio_cmd(unsigned short cmd, int write_cmd); ++static void e100_send_mdio_bit(unsigned char bit); ++static unsigned char e100_receive_mdio_bit(void); ++static void e100_reset_transceiver(struct net_device* net); ++ ++static void e100_clear_network_leds(unsigned long dummy); ++static void e100_set_network_leds(int active); ++ ++static const struct ethtool_ops e100_ethtool_ops; ++#if defined(CONFIG_ETRAX_NO_PHY) ++static void dummy_check_speed(struct net_device* dev); ++static void dummy_check_duplex(struct net_device* dev); ++#else ++static void broadcom_check_speed(struct net_device* dev); ++static void broadcom_check_duplex(struct net_device* dev); ++static void tdk_check_speed(struct net_device* dev); ++static void tdk_check_duplex(struct net_device* dev); ++static void intel_check_speed(struct net_device* dev); ++static void intel_check_duplex(struct net_device* dev); ++static void generic_check_speed(struct net_device* dev); ++static void generic_check_duplex(struct net_device* dev); ++#endif ++#ifdef CONFIG_NET_POLL_CONTROLLER ++static void e100_netpoll(struct net_device* dev); ++#endif ++ ++static int autoneg_normal = 1; ++ ++struct transceiver_ops transceivers[] = ++{ ++#if defined(CONFIG_ETRAX_NO_PHY) ++ {0x0000, dummy_check_speed, dummy_check_duplex} /* Dummy */ ++#else ++ {0x1018, broadcom_check_speed, broadcom_check_duplex}, /* Broadcom */ ++ {0xC039, tdk_check_speed, tdk_check_duplex}, /* TDK 2120 */ ++ {0x039C, tdk_check_speed, tdk_check_duplex}, /* TDK 2120C */ ++ {0x04de, intel_check_speed, intel_check_duplex}, /* Intel LXT972A*/ ++ {0x0000, generic_check_speed, generic_check_duplex} /* Generic, must be last */ ++#endif ++}; ++ ++struct transceiver_ops* transceiver = &transceivers[0]; ++ ++static const struct net_device_ops e100_netdev_ops = { ++ .ndo_open = e100_open, ++ .ndo_stop = e100_close, ++ .ndo_start_xmit = e100_send_packet, ++ .ndo_tx_timeout = e100_tx_timeout, ++ .ndo_get_stats = e100_get_stats, ++ .ndo_set_multicast_list = set_multicast_list, ++ .ndo_do_ioctl = e100_ioctl, ++ .ndo_set_mac_address = e100_set_mac_address, ++ .ndo_validate_addr = eth_validate_addr, ++ .ndo_change_mtu = eth_change_mtu, ++ .ndo_set_config = e100_set_config, ++#ifdef CONFIG_NET_POLL_CONTROLLER ++ .ndo_poll_controller = e100_netpoll, ++#endif ++}; ++ ++#define tx_done(dev) (*R_DMA_CH0_CMD == 0) ++ ++/* ++ * Check for a network adaptor of this type, and return '0' if one exists. ++ * If dev->base_addr == 0, probe all likely locations. ++ * If dev->base_addr == 1, always return failure. ++ * If dev->base_addr == 2, allocate space for the device and return success ++ * (detachable devices only). ++ */ ++ ++static int __init ++etrax_ethernet_init(void) ++{ ++ struct net_device *dev; ++ struct net_local* np; ++ int i, err; ++ ++ printk(KERN_INFO ++ "ETRAX 100LX 10/100MBit ethernet v2.0 (c) 1998-2007 Axis Communications AB\n"); ++ ++ if (cris_request_io_interface(if_eth, cardname)) { ++ printk(KERN_CRIT "etrax_ethernet_init failed to get IO interface\n"); ++ return -EBUSY; ++ } ++ ++ dev = alloc_etherdev(sizeof(struct net_local)); ++ if (!dev) ++ return -ENOMEM; ++ ++ np = netdev_priv(dev); ++ ++ /* we do our own locking */ ++ dev->features |= NETIF_F_LLTX; ++ ++ dev->base_addr = (unsigned int)R_NETWORK_SA_0; /* just to have something to show */ ++ ++ /* now setup our etrax specific stuff */ ++ ++ dev->irq = NETWORK_DMA_RX_IRQ_NBR; /* we really use DMATX as well... */ ++ dev->dma = NETWORK_RX_DMA_NBR; ++ ++ /* fill in our handlers so the network layer can talk to us in the future */ ++ ++ dev->ethtool_ops = &e100_ethtool_ops; ++ dev->netdev_ops = &e100_netdev_ops; ++ ++ spin_lock_init(&np->lock); ++ spin_lock_init(&np->led_lock); ++ spin_lock_init(&np->transceiver_lock); ++ ++ /* Initialise the list of Etrax DMA-descriptors */ ++ ++ /* Initialise receive descriptors */ ++ ++ for (i = 0; i < NBR_OF_RX_DESC; i++) { ++ /* Allocate two extra cachelines to make sure that buffer used ++ * by DMA does not share cacheline with any other data (to ++ * avoid cache bug) ++ */ ++ RxDescList[i].skb = dev_alloc_skb(MAX_MEDIA_DATA_SIZE + 2 * L1_CACHE_BYTES); ++ if (!RxDescList[i].skb) ++ return -ENOMEM; ++ RxDescList[i].descr.ctrl = 0; ++ RxDescList[i].descr.sw_len = MAX_MEDIA_DATA_SIZE; ++ RxDescList[i].descr.next = virt_to_phys(&RxDescList[i + 1]); ++ RxDescList[i].descr.buf = L1_CACHE_ALIGN(virt_to_phys(RxDescList[i].skb->data)); ++ RxDescList[i].descr.status = 0; ++ RxDescList[i].descr.hw_len = 0; ++ prepare_rx_descriptor(&RxDescList[i].descr); ++ } ++ ++ RxDescList[NBR_OF_RX_DESC - 1].descr.ctrl = d_eol; ++ RxDescList[NBR_OF_RX_DESC - 1].descr.next = virt_to_phys(&RxDescList[0]); ++ rx_queue_len = 0; ++ ++ /* Initialize transmit descriptors */ ++ for (i = 0; i < NBR_OF_TX_DESC; i++) { ++ TxDescList[i].descr.ctrl = 0; ++ TxDescList[i].descr.sw_len = 0; ++ TxDescList[i].descr.next = virt_to_phys(&TxDescList[i + 1].descr); ++ TxDescList[i].descr.buf = 0; ++ TxDescList[i].descr.status = 0; ++ TxDescList[i].descr.hw_len = 0; ++ TxDescList[i].skb = 0; ++ } ++ ++ TxDescList[NBR_OF_TX_DESC - 1].descr.ctrl = d_eol; ++ TxDescList[NBR_OF_TX_DESC - 1].descr.next = virt_to_phys(&TxDescList[0].descr); ++ ++ /* Initialise initial pointers */ ++ ++ myNextRxDesc = &RxDescList[0]; ++ myLastRxDesc = &RxDescList[NBR_OF_RX_DESC - 1]; ++ myFirstTxDesc = &TxDescList[0]; ++ myNextTxDesc = &TxDescList[0]; ++ myLastTxDesc = &TxDescList[NBR_OF_TX_DESC - 1]; ++ ++ /* Register device */ ++ err = register_netdev(dev); ++ if (err) { ++ free_netdev(dev); ++ return err; ++ } ++ ++ /* set the default MAC address */ ++ ++ e100_set_mac_address(dev, &default_mac); ++ ++ /* Initialize speed indicator stuff. */ ++ ++ current_speed = 10; ++ current_speed_selection = 0; /* Auto */ ++ speed_timer.expires = jiffies + NET_LINK_UP_CHECK_INTERVAL; ++ speed_timer.data = (unsigned long)dev; ++ speed_timer.function = e100_check_speed; ++ ++ clear_led_timer.function = e100_clear_network_leds; ++ clear_led_timer.data = (unsigned long)dev; ++ ++ full_duplex = 0; ++ current_duplex = autoneg; ++ duplex_timer.expires = jiffies + NET_DUPLEX_CHECK_INTERVAL; ++ duplex_timer.data = (unsigned long)dev; ++ duplex_timer.function = e100_check_duplex; ++ ++ /* Initialize mii interface */ ++ np->mii_if.phy_id_mask = 0x1f; ++ np->mii_if.reg_num_mask = 0x1f; ++ np->mii_if.dev = dev; ++ np->mii_if.mdio_read = e100_get_mdio_reg; ++ np->mii_if.mdio_write = e100_set_mdio_reg; ++ ++ /* Initialize group address registers to make sure that no */ ++ /* unwanted addresses are matched */ ++ *R_NETWORK_GA_0 = 0x00000000; ++ *R_NETWORK_GA_1 = 0x00000000; ++ ++ /* Initialize next time the led can flash */ ++ led_next_time = jiffies; ++ return 0; ++} ++ ++/* set MAC address of the interface. called from the core after a ++ * SIOCSIFADDR ioctl, and from the bootup above. ++ */ ++ ++static int ++e100_set_mac_address(struct net_device *dev, void *p) ++{ ++ struct net_local *np = netdev_priv(dev); ++ struct sockaddr *addr = p; ++ ++ spin_lock(&np->lock); /* preemption protection */ ++ ++ /* remember it */ ++ ++ memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); ++ ++ /* Write it to the hardware. ++ * Note the way the address is wrapped: ++ * *R_NETWORK_SA_0 = a0_0 | (a0_1 << 8) | (a0_2 << 16) | (a0_3 << 24); ++ * *R_NETWORK_SA_1 = a0_4 | (a0_5 << 8); ++ */ ++ ++ *R_NETWORK_SA_0 = dev->dev_addr[0] | (dev->dev_addr[1] << 8) | ++ (dev->dev_addr[2] << 16) | (dev->dev_addr[3] << 24); ++ *R_NETWORK_SA_1 = dev->dev_addr[4] | (dev->dev_addr[5] << 8); ++ *R_NETWORK_SA_2 = 0; ++ ++ /* show it in the log as well */ ++ ++ printk(KERN_INFO "%s: changed MAC to %pM\n", dev->name, dev->dev_addr); ++ ++ spin_unlock(&np->lock); ++ ++ return 0; ++} ++ ++/* ++ * Open/initialize the board. This is called (in the current kernel) ++ * sometime after booting when the 'ifconfig' program is run. ++ * ++ * This routine should set everything up anew at each open, even ++ * registers that "should" only need to be set once at boot, so that ++ * there is non-reboot way to recover if something goes wrong. ++ */ ++ ++static int ++e100_open(struct net_device *dev) ++{ ++ unsigned long flags; ++ ++ /* enable the MDIO output pin */ ++ ++ *R_NETWORK_MGM_CTRL = IO_STATE(R_NETWORK_MGM_CTRL, mdoe, enable); ++ ++ *R_IRQ_MASK0_CLR = ++ IO_STATE(R_IRQ_MASK0_CLR, overrun, clr) | ++ IO_STATE(R_IRQ_MASK0_CLR, underrun, clr) | ++ IO_STATE(R_IRQ_MASK0_CLR, excessive_col, clr); ++ ++ /* clear dma0 and 1 eop and descr irq masks */ ++ *R_IRQ_MASK2_CLR = ++ IO_STATE(R_IRQ_MASK2_CLR, dma0_descr, clr) | ++ IO_STATE(R_IRQ_MASK2_CLR, dma0_eop, clr) | ++ IO_STATE(R_IRQ_MASK2_CLR, dma1_descr, clr) | ++ IO_STATE(R_IRQ_MASK2_CLR, dma1_eop, clr); ++ ++ /* Reset and wait for the DMA channels */ ++ ++ RESET_DMA(NETWORK_TX_DMA_NBR); ++ RESET_DMA(NETWORK_RX_DMA_NBR); ++ WAIT_DMA(NETWORK_TX_DMA_NBR); ++ WAIT_DMA(NETWORK_RX_DMA_NBR); ++ ++ /* Initialise the etrax network controller */ ++ ++ /* allocate the irq corresponding to the receiving DMA */ ++ ++ if (request_irq(NETWORK_DMA_RX_IRQ_NBR, e100rxtx_interrupt, ++ IRQF_SAMPLE_RANDOM, cardname, (void *)dev)) { ++ goto grace_exit0; ++ } ++ ++ /* allocate the irq corresponding to the transmitting DMA */ ++ ++ if (request_irq(NETWORK_DMA_TX_IRQ_NBR, e100rxtx_interrupt, 0, ++ cardname, (void *)dev)) { ++ goto grace_exit1; ++ } ++ ++ /* allocate the irq corresponding to the network errors etc */ ++ ++ if (request_irq(NETWORK_STATUS_IRQ_NBR, e100nw_interrupt, 0, ++ cardname, (void *)dev)) { ++ goto grace_exit2; ++ } ++ ++ /* ++ * Always allocate the DMA channels after the IRQ, ++ * and clean up on failure. ++ */ ++ ++ if (cris_request_dma(NETWORK_TX_DMA_NBR, ++ cardname, ++ DMA_VERBOSE_ON_ERROR, ++ dma_eth)) { ++ goto grace_exit3; ++ } ++ ++ if (cris_request_dma(NETWORK_RX_DMA_NBR, ++ cardname, ++ DMA_VERBOSE_ON_ERROR, ++ dma_eth)) { ++ goto grace_exit4; ++ } ++ ++ /* give the HW an idea of what MAC address we want */ ++ ++ *R_NETWORK_SA_0 = dev->dev_addr[0] | (dev->dev_addr[1] << 8) | ++ (dev->dev_addr[2] << 16) | (dev->dev_addr[3] << 24); ++ *R_NETWORK_SA_1 = dev->dev_addr[4] | (dev->dev_addr[5] << 8); ++ *R_NETWORK_SA_2 = 0; ++ ++#if 0 ++ /* use promiscuous mode for testing */ ++ *R_NETWORK_GA_0 = 0xffffffff; ++ *R_NETWORK_GA_1 = 0xffffffff; ++ ++ *R_NETWORK_REC_CONFIG = 0xd; /* broadcast rec, individ. rec, ma0 enabled */ ++#else ++ SETS(network_rec_config_shadow, R_NETWORK_REC_CONFIG, max_size, size1522); ++ SETS(network_rec_config_shadow, R_NETWORK_REC_CONFIG, broadcast, receive); ++ SETS(network_rec_config_shadow, R_NETWORK_REC_CONFIG, ma0, enable); ++ SETF(network_rec_config_shadow, R_NETWORK_REC_CONFIG, duplex, full_duplex); ++ *R_NETWORK_REC_CONFIG = network_rec_config_shadow; ++#endif ++ ++ *R_NETWORK_GEN_CONFIG = ++ IO_STATE(R_NETWORK_GEN_CONFIG, phy, mii_clk) | ++ IO_STATE(R_NETWORK_GEN_CONFIG, enable, on); ++ ++ SETS(network_tr_ctrl_shadow, R_NETWORK_TR_CTRL, clr_error, clr); ++ SETS(network_tr_ctrl_shadow, R_NETWORK_TR_CTRL, delay, none); ++ SETS(network_tr_ctrl_shadow, R_NETWORK_TR_CTRL, cancel, dont); ++ SETS(network_tr_ctrl_shadow, R_NETWORK_TR_CTRL, cd, enable); ++ SETS(network_tr_ctrl_shadow, R_NETWORK_TR_CTRL, retry, enable); ++ SETS(network_tr_ctrl_shadow, R_NETWORK_TR_CTRL, pad, enable); ++ SETS(network_tr_ctrl_shadow, R_NETWORK_TR_CTRL, crc, enable); ++ *R_NETWORK_TR_CTRL = network_tr_ctrl_shadow; ++ ++ local_irq_save(flags); ++ ++ /* enable the irq's for ethernet DMA */ ++ ++ *R_IRQ_MASK2_SET = ++ IO_STATE(R_IRQ_MASK2_SET, dma0_eop, set) | ++ IO_STATE(R_IRQ_MASK2_SET, dma1_eop, set); ++ ++ *R_IRQ_MASK0_SET = ++ IO_STATE(R_IRQ_MASK0_SET, overrun, set) | ++ IO_STATE(R_IRQ_MASK0_SET, underrun, set) | ++ IO_STATE(R_IRQ_MASK0_SET, excessive_col, set); ++ ++ /* make sure the irqs are cleared */ ++ ++ *R_DMA_CH0_CLR_INTR = IO_STATE(R_DMA_CH0_CLR_INTR, clr_eop, do); ++ *R_DMA_CH1_CLR_INTR = IO_STATE(R_DMA_CH1_CLR_INTR, clr_eop, do); ++ ++ /* make sure the rec and transmit error counters are cleared */ ++ ++ (void)*R_REC_COUNTERS; /* dummy read */ ++ (void)*R_TR_COUNTERS; /* dummy read */ ++ ++ /* start the receiving DMA channel so we can receive packets from now on */ ++ ++ *R_DMA_CH1_FIRST = virt_to_phys(myNextRxDesc); ++ *R_DMA_CH1_CMD = IO_STATE(R_DMA_CH1_CMD, cmd, start); ++ ++ /* Set up transmit DMA channel so it can be restarted later */ ++ ++ *R_DMA_CH0_FIRST = 0; ++ *R_DMA_CH0_DESCR = virt_to_phys(myLastTxDesc); ++ netif_start_queue(dev); ++ ++ local_irq_restore(flags); ++ ++ /* Probe for transceiver */ ++ if (e100_probe_transceiver(dev)) ++ goto grace_exit5; ++ ++ /* Start duplex/speed timers */ ++ add_timer(&speed_timer); ++ add_timer(&duplex_timer); ++ ++ /* We are now ready to accept transmit requeusts from ++ * the queueing layer of the networking. ++ */ ++ netif_carrier_on(dev); ++ ++ return 0; ++ ++grace_exit5: ++ cris_free_dma(NETWORK_RX_DMA_NBR, cardname); ++grace_exit4: ++ cris_free_dma(NETWORK_TX_DMA_NBR, cardname); ++grace_exit3: ++ free_irq(NETWORK_STATUS_IRQ_NBR, (void *)dev); ++grace_exit2: ++ free_irq(NETWORK_DMA_TX_IRQ_NBR, (void *)dev); ++grace_exit1: ++ free_irq(NETWORK_DMA_RX_IRQ_NBR, (void *)dev); ++grace_exit0: ++ return -EAGAIN; ++} ++ ++#if defined(CONFIG_ETRAX_NO_PHY) ++static void ++dummy_check_speed(struct net_device* dev) ++{ ++ current_speed = 100; ++} ++#else ++static void ++generic_check_speed(struct net_device* dev) ++{ ++ unsigned long data; ++ struct net_local *np = netdev_priv(dev); ++ ++ data = e100_get_mdio_reg(dev, np->mii_if.phy_id, MII_ADVERTISE); ++ if ((data & ADVERTISE_100FULL) || ++ (data & ADVERTISE_100HALF)) ++ current_speed = 100; ++ else ++ current_speed = 10; ++} ++ ++static void ++tdk_check_speed(struct net_device* dev) ++{ ++ unsigned long data; ++ struct net_local *np = netdev_priv(dev); ++ ++ data = e100_get_mdio_reg(dev, np->mii_if.phy_id, ++ MDIO_TDK_DIAGNOSTIC_REG); ++ current_speed = (data & MDIO_TDK_DIAGNOSTIC_RATE ? 100 : 10); ++} ++ ++static void ++broadcom_check_speed(struct net_device* dev) ++{ ++ unsigned long data; ++ struct net_local *np = netdev_priv(dev); ++ ++ data = e100_get_mdio_reg(dev, np->mii_if.phy_id, ++ MDIO_AUX_CTRL_STATUS_REG); ++ current_speed = (data & MDIO_BC_SPEED ? 100 : 10); ++} ++ ++static void ++intel_check_speed(struct net_device* dev) ++{ ++ unsigned long data; ++ struct net_local *np = netdev_priv(dev); ++ ++ data = e100_get_mdio_reg(dev, np->mii_if.phy_id, ++ MDIO_INT_STATUS_REG_2); ++ current_speed = (data & MDIO_INT_SPEED ? 100 : 10); ++} ++#endif ++static void ++e100_check_speed(unsigned long priv) ++{ ++ struct net_device* dev = (struct net_device*)priv; ++ struct net_local *np = netdev_priv(dev); ++ static int led_initiated = 0; ++ unsigned long data; ++ int old_speed = current_speed; ++ ++ spin_lock(&np->transceiver_lock); ++ ++ data = e100_get_mdio_reg(dev, np->mii_if.phy_id, MII_BMSR); ++ if (!(data & BMSR_LSTATUS)) { ++ current_speed = 0; ++ } else { ++ transceiver->check_speed(dev); ++ } ++ ++ spin_lock(&np->led_lock); ++ if ((old_speed != current_speed) || !led_initiated) { ++ led_initiated = 1; ++ e100_set_network_leds(NO_NETWORK_ACTIVITY); ++ if (current_speed) ++ netif_carrier_on(dev); ++ else ++ netif_carrier_off(dev); ++ } ++ spin_unlock(&np->led_lock); ++ ++ /* Reinitialize the timer. */ ++ speed_timer.expires = jiffies + NET_LINK_UP_CHECK_INTERVAL; ++ add_timer(&speed_timer); ++ ++ spin_unlock(&np->transceiver_lock); ++} ++ ++static void ++e100_negotiate(struct net_device* dev) ++{ ++ struct net_local *np = netdev_priv(dev); ++ unsigned short data = e100_get_mdio_reg(dev, np->mii_if.phy_id, ++ MII_ADVERTISE); ++ ++ /* Discard old speed and duplex settings */ ++ data &= ~(ADVERTISE_100HALF | ADVERTISE_100FULL | ++ ADVERTISE_10HALF | ADVERTISE_10FULL); ++ ++ switch (current_speed_selection) { ++ case 10: ++ if (current_duplex == full) ++ data |= ADVERTISE_10FULL; ++ else if (current_duplex == half) ++ data |= ADVERTISE_10HALF; ++ else ++ data |= ADVERTISE_10HALF | ADVERTISE_10FULL; ++ break; ++ ++ case 100: ++ if (current_duplex == full) ++ data |= ADVERTISE_100FULL; ++ else if (current_duplex == half) ++ data |= ADVERTISE_100HALF; ++ else ++ data |= ADVERTISE_100HALF | ADVERTISE_100FULL; ++ break; ++ ++ case 0: /* Auto */ ++ if (current_duplex == full) ++ data |= ADVERTISE_100FULL | ADVERTISE_10FULL; ++ else if (current_duplex == half) ++ data |= ADVERTISE_100HALF | ADVERTISE_10HALF; ++ else ++ data |= ADVERTISE_10HALF | ADVERTISE_10FULL | ++ ADVERTISE_100HALF | ADVERTISE_100FULL; ++ break; ++ ++ default: /* assume autoneg speed and duplex */ ++ data |= ADVERTISE_10HALF | ADVERTISE_10FULL | ++ ADVERTISE_100HALF | ADVERTISE_100FULL; ++ break; ++ } ++ ++ e100_set_mdio_reg(dev, np->mii_if.phy_id, MII_ADVERTISE, data); ++ ++ data = e100_get_mdio_reg(dev, np->mii_if.phy_id, MII_BMCR); ++ if (autoneg_normal) { ++ /* Renegotiate with link partner */ ++ data |= BMCR_ANENABLE | BMCR_ANRESTART; ++ } else { ++ /* Don't negotiate speed or duplex */ ++ data &= ~(BMCR_ANENABLE | BMCR_ANRESTART); ++ ++ /* Set speed and duplex static */ ++ if (current_speed_selection == 10) ++ data &= ~BMCR_SPEED100; ++ else ++ data |= BMCR_SPEED100; ++ ++ if (current_duplex != full) ++ data &= ~BMCR_FULLDPLX; ++ else ++ data |= BMCR_FULLDPLX; ++ } ++ e100_set_mdio_reg(dev, np->mii_if.phy_id, MII_BMCR, data); ++} ++ ++static void ++e100_set_speed(struct net_device* dev, unsigned long speed) ++{ ++ struct net_local *np = netdev_priv(dev); ++ ++ spin_lock(&np->transceiver_lock); ++ if (speed != current_speed_selection) { ++ current_speed_selection = speed; ++ e100_negotiate(dev); ++ } ++ spin_unlock(&np->transceiver_lock); ++} ++ ++static void ++e100_check_duplex(unsigned long priv) ++{ ++ struct net_device *dev = (struct net_device *)priv; ++ struct net_local *np = netdev_priv(dev); ++ int old_duplex; ++ ++ spin_lock(&np->transceiver_lock); ++ old_duplex = full_duplex; ++ transceiver->check_duplex(dev); ++ if (old_duplex != full_duplex) { ++ /* Duplex changed */ ++ SETF(network_rec_config_shadow, R_NETWORK_REC_CONFIG, duplex, full_duplex); ++ *R_NETWORK_REC_CONFIG = network_rec_config_shadow; ++ } ++ ++ /* Reinitialize the timer. */ ++ duplex_timer.expires = jiffies + NET_DUPLEX_CHECK_INTERVAL; ++ add_timer(&duplex_timer); ++ np->mii_if.full_duplex = full_duplex; ++ spin_unlock(&np->transceiver_lock); ++} ++#if defined(CONFIG_ETRAX_NO_PHY) ++static void ++dummy_check_duplex(struct net_device* dev) ++{ ++ full_duplex = 1; ++} ++#else ++static void ++generic_check_duplex(struct net_device* dev) ++{ ++ unsigned long data; ++ struct net_local *np = netdev_priv(dev); ++ ++ data = e100_get_mdio_reg(dev, np->mii_if.phy_id, MII_ADVERTISE); ++ if ((data & ADVERTISE_10FULL) || ++ (data & ADVERTISE_100FULL)) ++ full_duplex = 1; ++ else ++ full_duplex = 0; ++} ++ ++static void ++tdk_check_duplex(struct net_device* dev) ++{ ++ unsigned long data; ++ struct net_local *np = netdev_priv(dev); ++ ++ data = e100_get_mdio_reg(dev, np->mii_if.phy_id, ++ MDIO_TDK_DIAGNOSTIC_REG); ++ full_duplex = (data & MDIO_TDK_DIAGNOSTIC_DPLX) ? 1 : 0; ++} ++ ++static void ++broadcom_check_duplex(struct net_device* dev) ++{ ++ unsigned long data; ++ struct net_local *np = netdev_priv(dev); ++ ++ data = e100_get_mdio_reg(dev, np->mii_if.phy_id, ++ MDIO_AUX_CTRL_STATUS_REG); ++ full_duplex = (data & MDIO_BC_FULL_DUPLEX_IND) ? 1 : 0; ++} ++ ++static void ++intel_check_duplex(struct net_device* dev) ++{ ++ unsigned long data; ++ struct net_local *np = netdev_priv(dev); ++ ++ data = e100_get_mdio_reg(dev, np->mii_if.phy_id, ++ MDIO_INT_STATUS_REG_2); ++ full_duplex = (data & MDIO_INT_FULL_DUPLEX_IND) ? 1 : 0; ++} ++#endif ++static void ++e100_set_duplex(struct net_device* dev, enum duplex new_duplex) ++{ ++ struct net_local *np = netdev_priv(dev); ++ ++ spin_lock(&np->transceiver_lock); ++ if (new_duplex != current_duplex) { ++ current_duplex = new_duplex; ++ e100_negotiate(dev); ++ } ++ spin_unlock(&np->transceiver_lock); ++} ++ ++static int ++e100_probe_transceiver(struct net_device* dev) ++{ ++ int ret = 0; ++ ++#if !defined(CONFIG_ETRAX_NO_PHY) ++ unsigned int phyid_high; ++ unsigned int phyid_low; ++ unsigned int oui; ++ struct transceiver_ops* ops = NULL; ++ struct net_local *np = netdev_priv(dev); ++ ++ spin_lock(&np->transceiver_lock); ++ ++ /* Probe MDIO physical address */ ++ for (np->mii_if.phy_id = 0; np->mii_if.phy_id <= 31; ++ np->mii_if.phy_id++) { ++ if (e100_get_mdio_reg(dev, ++ np->mii_if.phy_id, MII_BMSR) != 0xffff) ++ break; ++ } ++ if (np->mii_if.phy_id == 32) { ++ ret = -ENODEV; ++ goto out; ++ } ++ ++ /* Get manufacturer */ ++ phyid_high = e100_get_mdio_reg(dev, np->mii_if.phy_id, MII_PHYSID1); ++ phyid_low = e100_get_mdio_reg(dev, np->mii_if.phy_id, MII_PHYSID2); ++ oui = (phyid_high << 6) | (phyid_low >> 10); ++ ++ for (ops = &transceivers[0]; ops->oui; ops++) { ++ if (ops->oui == oui) ++ break; ++ } ++ transceiver = ops; ++out: ++ spin_unlock(&np->transceiver_lock); ++#endif ++ return ret; ++} ++ ++static int ++e100_get_mdio_reg(struct net_device *dev, int phy_id, int location) ++{ ++ unsigned short cmd; /* Data to be sent on MDIO port */ ++ int data; /* Data read from MDIO */ ++ int bitCounter; ++ ++ /* Start of frame, OP Code, Physical Address, Register Address */ ++ cmd = (MDIO_START << 14) | (MDIO_READ << 12) | (phy_id << 7) | ++ (location << 2); ++ ++ e100_send_mdio_cmd(cmd, 0); ++ ++ data = 0; ++ ++ /* Data... */ ++ for (bitCounter=15; bitCounter>=0 ; bitCounter--) { ++ data |= (e100_receive_mdio_bit() << bitCounter); ++ } ++ ++ return data; ++} ++ ++static void ++e100_set_mdio_reg(struct net_device *dev, int phy_id, int location, int value) ++{ ++ int bitCounter; ++ unsigned short cmd; ++ ++ cmd = (MDIO_START << 14) | (MDIO_WRITE << 12) | (phy_id << 7) | ++ (location << 2); ++ ++ e100_send_mdio_cmd(cmd, 1); ++ ++ /* Data... */ ++ for (bitCounter=15; bitCounter>=0 ; bitCounter--) { ++ e100_send_mdio_bit(GET_BIT(bitCounter, value)); ++ } ++ ++} ++ ++static void ++e100_send_mdio_cmd(unsigned short cmd, int write_cmd) ++{ ++ int bitCounter; ++ unsigned char data = 0x2; ++ ++ /* Preamble */ ++ for (bitCounter = 31; bitCounter>= 0; bitCounter--) ++ e100_send_mdio_bit(GET_BIT(bitCounter, MDIO_PREAMBLE)); ++ ++ for (bitCounter = 15; bitCounter >= 2; bitCounter--) ++ e100_send_mdio_bit(GET_BIT(bitCounter, cmd)); ++ ++ /* Turnaround */ ++ for (bitCounter = 1; bitCounter >= 0 ; bitCounter--) ++ if (write_cmd) ++ e100_send_mdio_bit(GET_BIT(bitCounter, data)); ++ else ++ e100_receive_mdio_bit(); ++} ++ ++static void ++e100_send_mdio_bit(unsigned char bit) ++{ ++ *R_NETWORK_MGM_CTRL = ++ IO_STATE(R_NETWORK_MGM_CTRL, mdoe, enable) | ++ IO_FIELD(R_NETWORK_MGM_CTRL, mdio, bit); ++ udelay(1); ++ *R_NETWORK_MGM_CTRL = ++ IO_STATE(R_NETWORK_MGM_CTRL, mdoe, enable) | ++ IO_MASK(R_NETWORK_MGM_CTRL, mdck) | ++ IO_FIELD(R_NETWORK_MGM_CTRL, mdio, bit); ++ udelay(1); ++} ++ ++static unsigned char ++e100_receive_mdio_bit() ++{ ++ unsigned char bit; ++ *R_NETWORK_MGM_CTRL = 0; ++ bit = IO_EXTRACT(R_NETWORK_STAT, mdio, *R_NETWORK_STAT); ++ udelay(1); ++ *R_NETWORK_MGM_CTRL = IO_MASK(R_NETWORK_MGM_CTRL, mdck); ++ udelay(1); ++ return bit; ++} ++ ++static void ++e100_reset_transceiver(struct net_device* dev) ++{ ++ struct net_local *np = netdev_priv(dev); ++ unsigned short cmd; ++ unsigned short data; ++ int bitCounter; ++ ++ data = e100_get_mdio_reg(dev, np->mii_if.phy_id, MII_BMCR); ++ ++ cmd = (MDIO_START << 14) | (MDIO_WRITE << 12) | (np->mii_if.phy_id << 7) | (MII_BMCR << 2); ++ ++ e100_send_mdio_cmd(cmd, 1); ++ ++ data |= 0x8000; ++ ++ for (bitCounter = 15; bitCounter >= 0 ; bitCounter--) { ++ e100_send_mdio_bit(GET_BIT(bitCounter, data)); ++ } ++} ++ ++/* Called by upper layers if they decide it took too long to complete ++ * sending a packet - we need to reset and stuff. ++ */ ++ ++static void ++e100_tx_timeout(struct net_device *dev) ++{ ++ struct net_local *np = netdev_priv(dev); ++ unsigned long flags; ++ ++ spin_lock_irqsave(&np->lock, flags); ++ ++ printk(KERN_WARNING "%s: transmit timed out, %s?\n", dev->name, ++ tx_done(dev) ? "IRQ problem" : "network cable problem"); ++ ++ /* remember we got an error */ ++ ++ np->stats.tx_errors++; ++ ++ /* reset the TX DMA in case it has hung on something */ ++ ++ RESET_DMA(NETWORK_TX_DMA_NBR); ++ WAIT_DMA(NETWORK_TX_DMA_NBR); ++ ++ /* Reset the transceiver. */ ++ ++ e100_reset_transceiver(dev); ++ ++ /* and get rid of the packets that never got an interrupt */ ++ while (myFirstTxDesc != myNextTxDesc) { ++ dev_kfree_skb(myFirstTxDesc->skb); ++ myFirstTxDesc->skb = 0; ++ myFirstTxDesc = phys_to_virt(myFirstTxDesc->descr.next); ++ } ++ ++ /* Set up transmit DMA channel so it can be restarted later */ ++ *R_DMA_CH0_FIRST = 0; ++ *R_DMA_CH0_DESCR = virt_to_phys(myLastTxDesc); ++ ++ /* tell the upper layers we're ok again */ ++ ++ netif_wake_queue(dev); ++ spin_unlock_irqrestore(&np->lock, flags); ++} ++ ++ ++/* This will only be invoked if the driver is _not_ in XOFF state. ++ * What this means is that we need not check it, and that this ++ * invariant will hold if we make sure that the netif_*_queue() ++ * calls are done at the proper times. ++ */ ++ ++static int ++e100_send_packet(struct sk_buff *skb, struct net_device *dev) ++{ ++ struct net_local *np = netdev_priv(dev); ++ unsigned char *buf = skb->data; ++ unsigned long flags; ++ ++#ifdef ETHDEBUG ++ printk("send packet len %d\n", length); ++#endif ++ spin_lock_irqsave(&np->lock, flags); /* protect from tx_interrupt and ourself */ ++ ++ myNextTxDesc->skb = skb; ++ ++ dev->trans_start = jiffies; ++ ++ e100_hardware_send_packet(np, buf, skb->len); ++ ++ myNextTxDesc = phys_to_virt(myNextTxDesc->descr.next); ++ ++ /* Stop queue if full */ ++ if (myNextTxDesc == myFirstTxDesc) { ++ netif_stop_queue(dev); ++ } ++ ++ spin_unlock_irqrestore(&np->lock, flags); ++ ++ return NETDEV_TX_OK; ++} ++ ++/* ++ * The typical workload of the driver: ++ * Handle the network interface interrupts. ++ */ ++ ++static irqreturn_t ++e100rxtx_interrupt(int irq, void *dev_id) ++{ ++ struct net_device *dev = (struct net_device *)dev_id; ++ struct net_local *np = netdev_priv(dev); ++ unsigned long irqbits; ++ ++ /* ++ * Note that both rx and tx interrupts are blocked at this point, ++ * regardless of which got us here. ++ */ ++ ++ irqbits = *R_IRQ_MASK2_RD; ++ ++ /* Handle received packets */ ++ if (irqbits & IO_STATE(R_IRQ_MASK2_RD, dma1_eop, active)) { ++ /* acknowledge the eop interrupt */ ++ ++ *R_DMA_CH1_CLR_INTR = IO_STATE(R_DMA_CH1_CLR_INTR, clr_eop, do); ++ ++ /* check if one or more complete packets were indeed received */ ++ ++ while ((*R_DMA_CH1_FIRST != virt_to_phys(myNextRxDesc)) && ++ (myNextRxDesc != myLastRxDesc)) { ++ /* Take out the buffer and give it to the OS, then ++ * allocate a new buffer to put a packet in. ++ */ ++ e100_rx(dev); ++ np->stats.rx_packets++; ++ /* restart/continue on the channel, for safety */ ++ *R_DMA_CH1_CMD = IO_STATE(R_DMA_CH1_CMD, cmd, restart); ++ /* clear dma channel 1 eop/descr irq bits */ ++ *R_DMA_CH1_CLR_INTR = ++ IO_STATE(R_DMA_CH1_CLR_INTR, clr_eop, do) | ++ IO_STATE(R_DMA_CH1_CLR_INTR, clr_descr, do); ++ ++ /* now, we might have gotten another packet ++ so we have to loop back and check if so */ ++ } ++ } ++ ++ /* Report any packets that have been sent */ ++ while (virt_to_phys(myFirstTxDesc) != *R_DMA_CH0_FIRST && ++ (netif_queue_stopped(dev) || myFirstTxDesc != myNextTxDesc)) { ++ np->stats.tx_bytes += myFirstTxDesc->skb->len; ++ np->stats.tx_packets++; ++ ++ /* dma is ready with the transmission of the data in tx_skb, so now ++ we can release the skb memory */ ++ dev_kfree_skb_irq(myFirstTxDesc->skb); ++ myFirstTxDesc->skb = 0; ++ myFirstTxDesc = phys_to_virt(myFirstTxDesc->descr.next); ++ /* Wake up queue. */ ++ netif_wake_queue(dev); ++ } ++ ++ if (irqbits & IO_STATE(R_IRQ_MASK2_RD, dma0_eop, active)) { ++ /* acknowledge the eop interrupt. */ ++ *R_DMA_CH0_CLR_INTR = IO_STATE(R_DMA_CH0_CLR_INTR, clr_eop, do); ++ } ++ ++ return IRQ_HANDLED; ++} ++ ++static irqreturn_t ++e100nw_interrupt(int irq, void *dev_id) ++{ ++ struct net_device *dev = (struct net_device *)dev_id; ++ struct net_local *np = netdev_priv(dev); ++ unsigned long irqbits = *R_IRQ_MASK0_RD; ++ ++ /* check for underrun irq */ ++ if (irqbits & IO_STATE(R_IRQ_MASK0_RD, underrun, active)) { ++ SETS(network_tr_ctrl_shadow, R_NETWORK_TR_CTRL, clr_error, clr); ++ *R_NETWORK_TR_CTRL = network_tr_ctrl_shadow; ++ SETS(network_tr_ctrl_shadow, R_NETWORK_TR_CTRL, clr_error, nop); ++ np->stats.tx_errors++; ++ D(printk("ethernet receiver underrun!\n")); ++ } ++ ++ /* check for overrun irq */ ++ if (irqbits & IO_STATE(R_IRQ_MASK0_RD, overrun, active)) { ++ update_rx_stats(&np->stats); /* this will ack the irq */ ++ D(printk("ethernet receiver overrun!\n")); ++ } ++ /* check for excessive collision irq */ ++ if (irqbits & IO_STATE(R_IRQ_MASK0_RD, excessive_col, active)) { ++ SETS(network_tr_ctrl_shadow, R_NETWORK_TR_CTRL, clr_error, clr); ++ *R_NETWORK_TR_CTRL = network_tr_ctrl_shadow; ++ SETS(network_tr_ctrl_shadow, R_NETWORK_TR_CTRL, clr_error, nop); ++ np->stats.tx_errors++; ++ D(printk("ethernet excessive collisions!\n")); ++ } ++ return IRQ_HANDLED; ++} ++ ++/* We have a good packet(s), get it/them out of the buffers. */ ++static void ++e100_rx(struct net_device *dev) ++{ ++ struct sk_buff *skb; ++ int length = 0; ++ struct net_local *np = netdev_priv(dev); ++ unsigned char *skb_data_ptr; ++#ifdef ETHDEBUG ++ int i; ++#endif ++ etrax_eth_descr *prevRxDesc; /* The descriptor right before myNextRxDesc */ ++ spin_lock(&np->led_lock); ++ if (!led_active && time_after(jiffies, led_next_time)) { ++ /* light the network leds depending on the current speed. */ ++ e100_set_network_leds(NETWORK_ACTIVITY); ++ ++ /* Set the earliest time we may clear the LED */ ++ led_next_time = jiffies + NET_FLASH_TIME; ++ led_active = 1; ++ mod_timer(&clear_led_timer, jiffies + HZ/10); ++ } ++ spin_unlock(&np->led_lock); ++ ++ length = myNextRxDesc->descr.hw_len - 4; ++ np->stats.rx_bytes += length; ++ ++#ifdef ETHDEBUG ++ printk("Got a packet of length %d:\n", length); ++ /* dump the first bytes in the packet */ ++ skb_data_ptr = (unsigned char *)phys_to_virt(myNextRxDesc->descr.buf); ++ for (i = 0; i < 8; i++) { ++ printk("%d: %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x\n", i * 8, ++ skb_data_ptr[0],skb_data_ptr[1],skb_data_ptr[2],skb_data_ptr[3], ++ skb_data_ptr[4],skb_data_ptr[5],skb_data_ptr[6],skb_data_ptr[7]); ++ skb_data_ptr += 8; ++ } ++#endif ++ ++ if (length < RX_COPYBREAK) { ++ /* Small packet, copy data */ ++ skb = dev_alloc_skb(length - ETHER_HEAD_LEN); ++ if (!skb) { ++ np->stats.rx_errors++; ++ printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n", dev->name); ++ goto update_nextrxdesc; ++ } ++ ++ skb_put(skb, length - ETHER_HEAD_LEN); /* allocate room for the packet body */ ++ skb_data_ptr = skb_push(skb, ETHER_HEAD_LEN); /* allocate room for the header */ ++ ++#ifdef ETHDEBUG ++ printk("head = 0x%x, data = 0x%x, tail = 0x%x, end = 0x%x\n", ++ skb->head, skb->data, skb_tail_pointer(skb), ++ skb_end_pointer(skb)); ++ printk("copying packet to 0x%x.\n", skb_data_ptr); ++#endif ++ ++ memcpy(skb_data_ptr, phys_to_virt(myNextRxDesc->descr.buf), length); ++ } ++ else { ++ /* Large packet, send directly to upper layers and allocate new ++ * memory (aligned to cache line boundary to avoid bug). ++ * Before sending the skb to upper layers we must make sure ++ * that skb->data points to the aligned start of the packet. ++ */ ++ int align; ++ struct sk_buff *new_skb = dev_alloc_skb(MAX_MEDIA_DATA_SIZE + 2 * L1_CACHE_BYTES); ++ if (!new_skb) { ++ np->stats.rx_errors++; ++ printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n", dev->name); ++ goto update_nextrxdesc; ++ } ++ skb = myNextRxDesc->skb; ++ align = (int)phys_to_virt(myNextRxDesc->descr.buf) - (int)skb->data; ++ skb_put(skb, length + align); ++ skb_pull(skb, align); /* Remove alignment bytes */ ++ myNextRxDesc->skb = new_skb; ++ myNextRxDesc->descr.buf = L1_CACHE_ALIGN(virt_to_phys(myNextRxDesc->skb->data)); ++ } ++ ++ skb->protocol = eth_type_trans(skb, dev); ++ ++ /* Send the packet to the upper layers */ ++ netif_rx(skb); ++ ++ update_nextrxdesc: ++ /* Prepare for next packet */ ++ myNextRxDesc->descr.status = 0; ++ prevRxDesc = myNextRxDesc; ++ myNextRxDesc = phys_to_virt(myNextRxDesc->descr.next); ++ ++ rx_queue_len++; ++ ++ /* Check if descriptors should be returned */ ++ if (rx_queue_len == RX_QUEUE_THRESHOLD) { ++ flush_etrax_cache(); ++ prevRxDesc->descr.ctrl |= d_eol; ++ myLastRxDesc->descr.ctrl &= ~d_eol; ++ myLastRxDesc = prevRxDesc; ++ rx_queue_len = 0; ++ } ++} ++ ++/* The inverse routine to net_open(). */ ++static int ++e100_close(struct net_device *dev) ++{ ++ struct net_local *np = netdev_priv(dev); ++ ++ printk(KERN_INFO "Closing %s.\n", dev->name); ++ ++ netif_stop_queue(dev); ++ ++ *R_IRQ_MASK0_CLR = ++ IO_STATE(R_IRQ_MASK0_CLR, overrun, clr) | ++ IO_STATE(R_IRQ_MASK0_CLR, underrun, clr) | ++ IO_STATE(R_IRQ_MASK0_CLR, excessive_col, clr); ++ ++ *R_IRQ_MASK2_CLR = ++ IO_STATE(R_IRQ_MASK2_CLR, dma0_descr, clr) | ++ IO_STATE(R_IRQ_MASK2_CLR, dma0_eop, clr) | ++ IO_STATE(R_IRQ_MASK2_CLR, dma1_descr, clr) | ++ IO_STATE(R_IRQ_MASK2_CLR, dma1_eop, clr); ++ ++ /* Stop the receiver and the transmitter */ ++ ++ RESET_DMA(NETWORK_TX_DMA_NBR); ++ RESET_DMA(NETWORK_RX_DMA_NBR); ++ ++ /* Flush the Tx and disable Rx here. */ ++ ++ free_irq(NETWORK_DMA_RX_IRQ_NBR, (void *)dev); ++ free_irq(NETWORK_DMA_TX_IRQ_NBR, (void *)dev); ++ free_irq(NETWORK_STATUS_IRQ_NBR, (void *)dev); ++ ++ cris_free_dma(NETWORK_TX_DMA_NBR, cardname); ++ cris_free_dma(NETWORK_RX_DMA_NBR, cardname); ++ ++ /* Update the statistics here. */ ++ ++ update_rx_stats(&np->stats); ++ update_tx_stats(&np->stats); ++ ++ /* Stop speed/duplex timers */ ++ del_timer(&speed_timer); ++ del_timer(&duplex_timer); ++ ++ return 0; ++} ++ ++static int ++e100_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) ++{ ++ struct mii_ioctl_data *data = if_mii(ifr); ++ struct net_local *np = netdev_priv(dev); ++ int rc = 0; ++ int old_autoneg; ++ ++ spin_lock(&np->lock); /* Preempt protection */ ++ switch (cmd) { ++ /* The ioctls below should be considered obsolete but are */ ++ /* still present for compatability with old scripts/apps */ ++ case SET_ETH_SPEED_10: /* 10 Mbps */ ++ e100_set_speed(dev, 10); ++ break; ++ case SET_ETH_SPEED_100: /* 100 Mbps */ ++ e100_set_speed(dev, 100); ++ break; ++ case SET_ETH_SPEED_AUTO: /* Auto-negotiate speed */ ++ e100_set_speed(dev, 0); ++ break; ++ case SET_ETH_DUPLEX_HALF: /* Half duplex */ ++ e100_set_duplex(dev, half); ++ break; ++ case SET_ETH_DUPLEX_FULL: /* Full duplex */ ++ e100_set_duplex(dev, full); ++ break; ++ case SET_ETH_DUPLEX_AUTO: /* Auto-negotiate duplex */ ++ e100_set_duplex(dev, autoneg); ++ break; ++ case SET_ETH_AUTONEG: ++ old_autoneg = autoneg_normal; ++ autoneg_normal = *(int*)data; ++ if (autoneg_normal != old_autoneg) ++ e100_negotiate(dev); ++ break; ++ default: ++ rc = generic_mii_ioctl(&np->mii_if, if_mii(ifr), ++ cmd, NULL); ++ break; ++ } ++ spin_unlock(&np->lock); ++ return rc; ++} ++ ++static int e100_get_settings(struct net_device *dev, ++ struct ethtool_cmd *cmd) ++{ ++ struct net_local *np = netdev_priv(dev); ++ int err; ++ ++ spin_lock_irq(&np->lock); ++ err = mii_ethtool_gset(&np->mii_if, cmd); ++ spin_unlock_irq(&np->lock); ++ ++ /* The PHY may support 1000baseT, but the Etrax100 does not. */ ++ cmd->supported &= ~(SUPPORTED_1000baseT_Half ++ | SUPPORTED_1000baseT_Full); ++ return err; ++} ++ ++static int e100_set_settings(struct net_device *dev, ++ struct ethtool_cmd *ecmd) ++{ ++ if (ecmd->autoneg == AUTONEG_ENABLE) { ++ e100_set_duplex(dev, autoneg); ++ e100_set_speed(dev, 0); ++ } else { ++ e100_set_duplex(dev, ecmd->duplex == DUPLEX_HALF ? half : full); ++ e100_set_speed(dev, ecmd->speed == SPEED_10 ? 10: 100); ++ } ++ ++ return 0; ++} ++ ++static void e100_get_drvinfo(struct net_device *dev, ++ struct ethtool_drvinfo *info) ++{ ++ strncpy(info->driver, "ETRAX 100LX", sizeof(info->driver) - 1); ++ strncpy(info->version, "$Revision: 1.31 $", sizeof(info->version) - 1); ++ strncpy(info->fw_version, "N/A", sizeof(info->fw_version) - 1); ++ strncpy(info->bus_info, "N/A", sizeof(info->bus_info) - 1); ++} ++ ++static int e100_nway_reset(struct net_device *dev) ++{ ++ if (current_duplex == autoneg && current_speed_selection == 0) ++ e100_negotiate(dev); ++ return 0; ++} ++ ++static const struct ethtool_ops e100_ethtool_ops = { ++ .get_settings = e100_get_settings, ++ .set_settings = e100_set_settings, ++ .get_drvinfo = e100_get_drvinfo, ++ .nway_reset = e100_nway_reset, ++ .get_link = ethtool_op_get_link, ++}; ++ ++static int ++e100_set_config(struct net_device *dev, struct ifmap *map) ++{ ++ struct net_local *np = netdev_priv(dev); ++ ++ spin_lock(&np->lock); /* Preempt protection */ ++ ++ switch(map->port) { ++ case IF_PORT_UNKNOWN: ++ /* Use autoneg */ ++ e100_set_speed(dev, 0); ++ e100_set_duplex(dev, autoneg); ++ break; ++ case IF_PORT_10BASET: ++ e100_set_speed(dev, 10); ++ e100_set_duplex(dev, autoneg); ++ break; ++ case IF_PORT_100BASET: ++ case IF_PORT_100BASETX: ++ e100_set_speed(dev, 100); ++ e100_set_duplex(dev, autoneg); ++ break; ++ case IF_PORT_100BASEFX: ++ case IF_PORT_10BASE2: ++ case IF_PORT_AUI: ++ spin_unlock(&np->lock); ++ return -EOPNOTSUPP; ++ break; ++ default: ++ printk(KERN_ERR "%s: Invalid media selected", dev->name); ++ spin_unlock(&np->lock); ++ return -EINVAL; ++ } ++ spin_unlock(&np->lock); ++ return 0; ++} ++ ++static void ++update_rx_stats(struct net_device_stats *es) ++{ ++ unsigned long r = *R_REC_COUNTERS; ++ /* update stats relevant to reception errors */ ++ es->rx_fifo_errors += IO_EXTRACT(R_REC_COUNTERS, congestion, r); ++ es->rx_crc_errors += IO_EXTRACT(R_REC_COUNTERS, crc_error, r); ++ es->rx_frame_errors += IO_EXTRACT(R_REC_COUNTERS, alignment_error, r); ++ es->rx_length_errors += IO_EXTRACT(R_REC_COUNTERS, oversize, r); ++} ++ ++static void ++update_tx_stats(struct net_device_stats *es) ++{ ++ unsigned long r = *R_TR_COUNTERS; ++ /* update stats relevant to transmission errors */ ++ es->collisions += ++ IO_EXTRACT(R_TR_COUNTERS, single_col, r) + ++ IO_EXTRACT(R_TR_COUNTERS, multiple_col, r); ++} ++ ++/* ++ * Get the current statistics. ++ * This may be called with the card open or closed. ++ */ ++static struct net_device_stats * ++e100_get_stats(struct net_device *dev) ++{ ++ struct net_local *lp = netdev_priv(dev); ++ unsigned long flags; ++ ++ spin_lock_irqsave(&lp->lock, flags); ++ ++ update_rx_stats(&lp->stats); ++ update_tx_stats(&lp->stats); ++ ++ spin_unlock_irqrestore(&lp->lock, flags); ++ return &lp->stats; ++} ++ ++/* ++ * Set or clear the multicast filter for this adaptor. ++ * num_addrs == -1 Promiscuous mode, receive all packets ++ * num_addrs == 0 Normal mode, clear multicast list ++ * num_addrs > 0 Multicast mode, receive normal and MC packets, ++ * and do best-effort filtering. ++ */ ++static void ++set_multicast_list(struct net_device *dev) ++{ ++ struct net_local *lp = netdev_priv(dev); ++ int num_addr = dev->mc_count; ++ unsigned long int lo_bits; ++ unsigned long int hi_bits; ++ ++ spin_lock(&lp->lock); ++ if (dev->flags & IFF_PROMISC) { ++ /* promiscuous mode */ ++ lo_bits = 0xfffffffful; ++ hi_bits = 0xfffffffful; ++ ++ /* Enable individual receive */ ++ SETS(network_rec_config_shadow, R_NETWORK_REC_CONFIG, individual, receive); ++ *R_NETWORK_REC_CONFIG = network_rec_config_shadow; ++ } else if (dev->flags & IFF_ALLMULTI) { ++ /* enable all multicasts */ ++ lo_bits = 0xfffffffful; ++ hi_bits = 0xfffffffful; ++ ++ /* Disable individual receive */ ++ SETS(network_rec_config_shadow, R_NETWORK_REC_CONFIG, individual, discard); ++ *R_NETWORK_REC_CONFIG = network_rec_config_shadow; ++ } else if (num_addr == 0) { ++ /* Normal, clear the mc list */ ++ lo_bits = 0x00000000ul; ++ hi_bits = 0x00000000ul; ++ ++ /* Disable individual receive */ ++ SETS(network_rec_config_shadow, R_NETWORK_REC_CONFIG, individual, discard); ++ *R_NETWORK_REC_CONFIG = network_rec_config_shadow; ++ } else { ++ /* MC mode, receive normal and MC packets */ ++ char hash_ix; ++ struct dev_mc_list *dmi = dev->mc_list; ++ int i; ++ char *baddr; ++ ++ lo_bits = 0x00000000ul; ++ hi_bits = 0x00000000ul; ++ for (i = 0; i < num_addr; i++) { ++ /* Calculate the hash index for the GA registers */ ++ ++ hash_ix = 0; ++ baddr = dmi->dmi_addr; ++ hash_ix ^= (*baddr) & 0x3f; ++ hash_ix ^= ((*baddr) >> 6) & 0x03; ++ ++baddr; ++ hash_ix ^= ((*baddr) << 2) & 0x03c; ++ hash_ix ^= ((*baddr) >> 4) & 0xf; ++ ++baddr; ++ hash_ix ^= ((*baddr) << 4) & 0x30; ++ hash_ix ^= ((*baddr) >> 2) & 0x3f; ++ ++baddr; ++ hash_ix ^= (*baddr) & 0x3f; ++ hash_ix ^= ((*baddr) >> 6) & 0x03; ++ ++baddr; ++ hash_ix ^= ((*baddr) << 2) & 0x03c; ++ hash_ix ^= ((*baddr) >> 4) & 0xf; ++ ++baddr; ++ hash_ix ^= ((*baddr) << 4) & 0x30; ++ hash_ix ^= ((*baddr) >> 2) & 0x3f; ++ ++ hash_ix &= 0x3f; ++ ++ if (hash_ix >= 32) { ++ hi_bits |= (1 << (hash_ix-32)); ++ } else { ++ lo_bits |= (1 << hash_ix); ++ } ++ dmi = dmi->next; ++ } ++ /* Disable individual receive */ ++ SETS(network_rec_config_shadow, R_NETWORK_REC_CONFIG, individual, discard); ++ *R_NETWORK_REC_CONFIG = network_rec_config_shadow; ++ } ++ *R_NETWORK_GA_0 = lo_bits; ++ *R_NETWORK_GA_1 = hi_bits; ++ spin_unlock(&lp->lock); ++} ++ ++void ++e100_hardware_send_packet(struct net_local *np, char *buf, int length) ++{ ++ D(printk("e100 send pack, buf 0x%x len %d\n", buf, length)); ++ ++ spin_lock(&np->led_lock); ++ if (!led_active && time_after(jiffies, led_next_time)) { ++ /* light the network leds depending on the current speed. */ ++ e100_set_network_leds(NETWORK_ACTIVITY); ++ ++ /* Set the earliest time we may clear the LED */ ++ led_next_time = jiffies + NET_FLASH_TIME; ++ led_active = 1; ++ mod_timer(&clear_led_timer, jiffies + HZ/10); ++ } ++ spin_unlock(&np->led_lock); ++ ++ /* configure the tx dma descriptor */ ++ myNextTxDesc->descr.sw_len = length; ++ myNextTxDesc->descr.ctrl = d_eop | d_eol | d_wait; ++ myNextTxDesc->descr.buf = virt_to_phys(buf); ++ ++ /* Move end of list */ ++ myLastTxDesc->descr.ctrl &= ~d_eol; ++ myLastTxDesc = myNextTxDesc; ++ ++ /* Restart DMA channel */ ++ *R_DMA_CH0_CMD = IO_STATE(R_DMA_CH0_CMD, cmd, restart); ++} ++ ++static void ++e100_clear_network_leds(unsigned long dummy) ++{ ++ struct net_device *dev = (struct net_device *)dummy; ++ struct net_local *np = netdev_priv(dev); ++ ++ spin_lock(&np->led_lock); ++ ++ if (led_active && time_after(jiffies, led_next_time)) { ++ e100_set_network_leds