mirror of https://github.com/hak5/openwrt-owl.git
109 lines
3.7 KiB
Diff
109 lines
3.7 KiB
Diff
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
|
|
@@ -60,6 +60,7 @@
|
|
#include <linux/of_device.h>
|
|
#include <linux/of_gpio.h>
|
|
#include <linux/of_net.h>
|
|
+#include <asm/system_info.h>
|
|
#include "smsc911x.h"
|
|
|
|
#define SMSC_CHIPNAME "smsc911x"
|
|
@@ -1514,7 +1515,7 @@ 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) */
|
|
@@ -1525,8 +1526,8 @@ static int smsc911x_open(struct net_devi
|
|
/* Initialise irqs, but leave all sources disabled */
|
|
smsc911x_disable_irq_chip(dev);
|
|
|
|
- /* 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");
|
|
@@ -1552,7 +1553,7 @@ 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;
|
|
@@ -2370,6 +2371,38 @@ 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 smsc911x_drv_probe(struct platform_device *pdev)
|
|
{
|
|
struct device_node *np = pdev->dev.of_node;
|
|
@@ -2516,11 +2549,11 @@ static int smsc911x_drv_probe(struct pla
|
|
SMSC_TRACE(pdata, probe,
|
|
"Mac Address is read from LAN911x EEPROM");
|
|
} else {
|
|
- /* eeprom values are invalid, generate random MAC */
|
|
- eth_hw_addr_random(dev);
|
|
+ /* 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 eth_random_addr");
|
|
+ "MAC Address is derived from system serial number");
|
|
}
|
|
}
|
|
|