diff options
Diffstat (limited to 'target/linux/pxa/patches-3.3/004-smsc911x_verdex_pro_support.patch')
| -rw-r--r-- | target/linux/pxa/patches-3.3/004-smsc911x_verdex_pro_support.patch | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/target/linux/pxa/patches-3.3/004-smsc911x_verdex_pro_support.patch b/target/linux/pxa/patches-3.3/004-smsc911x_verdex_pro_support.patch new file mode 100644 index 000000000..d2f1c1ae2 --- /dev/null +++ b/target/linux/pxa/patches-3.3/004-smsc911x_verdex_pro_support.patch @@ -0,0 +1,100 @@ +From 7645a459feb02f7aae4c3a5724b7800495d1b659 Mon Sep 17 00:00:00 2001 +From: Bobby Powers <bobbypowers@gmail.com> +Date: Wed, 28 Oct 2009 22:41:31 -0400 +Subject: [PATCH] [ARM] smsc911x: Verdex Pro support + +Basically Joseph Kortje's patch, cleaned up to apply to Linus's +tree. Some of the smsc911x.c had been applied already + +Signed-off-by: Bobby Powers <bobbypowers@gmail.com> +--- + drivers/net/smsc911x.c | 50 +++++++++++++++++++++++++++++++++++++-------- + drivers/net/smsc911x.h | 2 +- + include/linux/smsc911x.h | 11 ++++++++++ + 3 files changed, 53 insertions(+), 10 deletions(-) + +--- a/drivers/net/ethernet/smsc/smsc911x.c ++++ b/drivers/net/ethernet/smsc/smsc911x.c +@@ -1485,7 +1485,7 @@ static int smsc911x_open(struct net_devi + SMSC_WARN(pdata, ifup, + "Timed out waiting for EEPROM busy bit to clear"); + +- smsc911x_reg_write(pdata, GPIO_CFG, 0x70070000); ++ smsc911x_reg_write(pdata, GPIO_CFG, GPIO_CFG_LED1_EN_ | GPIO_CFG_LED2_EN_ | (1 << 20)); + + /* The soft reset above cleared the device's MAC address, + * restore it from local copy (set in probe) */ +@@ -1497,8 +1497,8 @@ static int smsc911x_open(struct net_devi + smsc911x_reg_write(pdata, INT_EN, 0); + smsc911x_reg_write(pdata, INT_STS, 0xFFFFFFFF); + +- /* Set interrupt deassertion to 100uS */ +- intcfg = ((10 << 24) | INT_CFG_IRQ_EN_); ++ /* Set interrupt deassertion to 22*10uS */ ++ intcfg = ((22 << 24) | INT_CFG_IRQ_EN_); + + if (pdata->config.irq_polarity) { + SMSC_TRACE(pdata, ifup, "irq polarity: active high"); +@@ -1524,7 +1524,7 @@ static int smsc911x_open(struct net_devi + temp |= INT_EN_SW_INT_EN_; + smsc911x_reg_write(pdata, INT_EN, temp); + +- timeout = 1000; ++ timeout = 2000; + while (timeout--) { + if (pdata->software_irq_signal) + break; +@@ -2332,6 +2332,38 @@ static inline int smsc911x_probe_config_ + } + #endif /* CONFIG_OF */ + ++static inline unsigned int is_gumstix_oui(u8 *addr) ++{ ++ return (addr[0] == 0x00 && addr[1] == 0x15 && addr[2] == 0xC9); ++} ++ ++/** ++ * gen_serial_ether_addr - Generate software assigned Ethernet address ++ * based on the system_serial number ++ * @addr: Pointer to a six-byte array containing the Ethernet address ++ * ++ * Generate an Ethernet address (MAC) that is not multicast ++ * and has the local assigned bit set, keyed on the system_serial ++ */ ++static inline void gen_serial_ether_addr(u8 *addr) ++{ ++ static u8 ether_serial_digit = 0; ++ addr [0] = system_serial_high >> 8; ++ addr [1] = system_serial_high; ++ addr [2] = system_serial_low >> 24; ++ addr [3] = system_serial_low >> 16; ++ addr [4] = system_serial_low >> 8; ++ addr [5] = (system_serial_low & 0xc0) | /* top bits are from system serial */ ++ (1 << 4) | /* 2 bits identify interface type 1=ether, 2=usb, 3&4 undef */ ++ ((ether_serial_digit++) & 0x0f); /* 15 possible interfaces of each type */ ++ ++ if(!is_gumstix_oui(addr)) ++ { ++ addr [0] &= 0xfe; /* clear multicast bit */ ++ addr [0] |= 0x02; /* set local assignment bit (IEEE802) */ ++ } ++} ++ + static int __devinit smsc911x_drv_probe(struct platform_device *pdev) + { + struct device_node *np = pdev->dev.of_node; +@@ -2481,11 +2513,11 @@ static int __devinit smsc911x_drv_probe( + SMSC_TRACE(pdata, probe, + "Mac Address is read from LAN911x EEPROM"); + } else { +- /* eeprom values are invalid, generate random MAC */ +- random_ether_addr(dev->dev_addr); ++ /* eeprom values are invalid, generate MAC from serial number */ ++ gen_serial_ether_addr(dev->dev_addr); + smsc911x_set_hw_mac_address(pdata, dev->dev_addr); + SMSC_TRACE(pdata, probe, +- "MAC Address is set to random_ether_addr"); ++ "MAC Address is derived from system serial number"); + } + } + |