linux-omap 2.6.29: add smsc patches and update overo defconfig

4 files changed, 349 insertions, 0 deletions

diff --git a/recipes/linux/linux-omap-2.6.29/smsc/smsc911x-1.patch b/recipes/linux/linux-omap-2.6.29/smsc/smsc911x-1.patch
new file mode 100644
index 0000000000..1efe181872
--- /dev/null
+++ b/recipes/linux/linux-omap-2.6.29/smsc/smsc911x-1.patch
@@ -0,0 +1,71 @@
+From: Steve Glendinning <steve.glendinning@smsc.com>
+
+This patch adds support for the platform_device's resources to indicate
+additional flags to use when registering the irq, for example
+IORESOURCE_IRQ_LOWLEVEL (which corresponds to IRQF_TRIGGER_LOW).  These
+should be set in the irq resource flags field.
+
+Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
+---
+ drivers/net/smsc911x.c |   19 ++++++++++++++-----
+ 1 files changed, 14 insertions(+), 5 deletions(-)
+
+diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
+index f513bdf..3565df1 100644
+--- a/drivers/net/smsc911x.c
++++ b/drivers/net/smsc911x.c
+@@ -1892,9 +1892,9 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
+ 	struct net_device *dev;
+ 	struct smsc911x_data *pdata;
+ 	struct smsc911x_platform_config *config = pdev->dev.platform_data;
+-	struct resource *res;
++	struct resource *res, *irq_res;
+ 	unsigned int intcfg = 0;
+-	int res_size;
++	int res_size, irq_flags;
+ 	int retval;
+ 	DECLARE_MAC_BUF(mac);
+ 
+@@ -1919,6 +1919,14 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
+ 	}
+ 	res_size = res->end - res->start;
+ 
++	irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
++	if (!irq_res) {
++		pr_warning("%s: Could not allocate irq resource.\n",
++			SMSC_CHIPNAME);
++		retval = -ENODEV;
++		goto out_0;
++	}
++
+ 	if (!request_mem_region(res->start, res_size, SMSC_CHIPNAME)) {
+ 		retval = -EBUSY;
+ 		goto out_0;
+@@ -1935,7 +1943,8 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
+ 
+ 	pdata = netdev_priv(dev);
+ 
+-	dev->irq = platform_get_irq(pdev, 0);
++	dev->irq = irq_res->start;
++	irq_flags = irq_res->flags & IRQF_TRIGGER_MASK;
+ 	pdata->ioaddr = ioremap_nocache(res->start, res_size);
+ 
+ 	/* copy config parameters across to pdata */
+@@ -1968,8 +1977,8 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
+ 	smsc911x_reg_write(pdata, INT_EN, 0);
+ 	smsc911x_reg_write(pdata, INT_STS, 0xFFFFFFFF);
+ 
+-	retval = request_irq(dev->irq, smsc911x_irqhandler, IRQF_DISABLED,
+-			     dev->name, dev);
++	retval = request_irq(dev->irq, smsc911x_irqhandler,
++			     irq_flags | IRQF_DISABLED, dev->name, dev);
+ 	if (retval) {
+ 		SMSC_WARNING(PROBE,
+ 			"Unable to claim requested irq: %d", dev->irq);
+-- 
+1.6.0.6
+
+--
+To unsubscribe from this list: send the line "unsubscribe netdev" in
+the body of a message to majordomo@vger.kernel.org
+More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff --git a/recipes/linux/linux-omap-2.6.29/smsc/smsc911x-2.patch b/recipes/linux/linux-omap-2.6.29/smsc/smsc911x-2.patch
new file mode 100644
index 0000000000..15b4d04498
--- /dev/null
+++ b/recipes/linux/linux-omap-2.6.29/smsc/smsc911x-2.patch
@@ -0,0 +1,33 @@
+From: Steve Glendinning <steve.glendinning@smsc.com>
+
+The isr supports shared operation, so register it with the IRQF_SHARED
+flag to indicate this.
+
+This patch also removes the IRQF_DISABLED flag.  This driver doesn't
+need it, and IRQF_DISABLED isn't guaranteed when using shared interrupts.
+
+Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
+---
+ drivers/net/smsc911x.c |    2 +-
+ 1 files changed, 1 insertions(+), 1 deletions(-)
+
+diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
+index 3565df1..f882fd5 100644
+--- a/drivers/net/smsc911x.c
++++ b/drivers/net/smsc911x.c
+@@ -1978,7 +1978,7 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
+ 	smsc911x_reg_write(pdata, INT_STS, 0xFFFFFFFF);
+ 
+ 	retval = request_irq(dev->irq, smsc911x_irqhandler,
+-			     irq_flags | IRQF_DISABLED, dev->name, dev);
++			     irq_flags | IRQF_SHARED, dev->name, dev);
+ 	if (retval) {
+ 		SMSC_WARNING(PROBE,
+ 			"Unable to claim requested irq: %d", dev->irq);
+-- 
+1.6.0.6
+
+--
+To unsubscribe from this list: send the line "unsubscribe netdev" in
+the body of a message to majordomo@vger.kernel.org
+More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff --git a/recipes/linux/linux-omap-2.6.29/smsc/smsc911x-3.patch b/recipes/linux/linux-omap-2.6.29/smsc/smsc911x-3.patch
new file mode 100644
index 0000000000..0fb7f4f0cc
--- /dev/null
+++ b/recipes/linux/linux-omap-2.6.29/smsc/smsc911x-3.patch
@@ -0,0 +1,152 @@
+From: Steve Glendinning <steve.glendinning@smsc.com>
+
+On LAN9115/LAN9117/LAN9215/LAN9217, external phys are supported.  These
+are usually indicated by a hardware strap which sets an "external PHY
+detected" bit in the HW_CFG register.
+
+In some cases it is desirable to override this hardware strap and force
+use of either the internal phy or an external PHY.  This patch adds
+SMSC911X_FORCE_INTERNAL_PHY and SMSC911X_FORCE_EXTERNAL_PHY flags so a
+platform can indicate this preference via its platform_data.
+
+Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
+Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
+Tested-by: Sascha Hauer <s.hauer@pengutronix.de>
+---
+ drivers/net/smsc911x.c   |   75 +++++++++++++++++++++++----------------------
+ include/linux/smsc911x.h |    2 +
+ 2 files changed, 40 insertions(+), 37 deletions(-)
+
+diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
+index f882fd5..c7379f5 100644
+--- a/drivers/net/smsc911x.c
++++ b/drivers/net/smsc911x.c
+@@ -368,48 +368,53 @@ out:
+ 	return reg;
+ }
+ 
+-/* Autodetects and initialises external phy for SMSC9115 and SMSC9117 flavors.
+- * If something goes wrong, returns -ENODEV to revert back to internal phy.
+- * Performed at initialisation only, so interrupts are enabled */
+-static int smsc911x_phy_initialise_external(struct smsc911x_data *pdata)
++/* Switch to external phy. Assumes tx and rx are stopped. */
++static void smsc911x_phy_enable_external(struct smsc911x_data *pdata)
+ {
+ 	unsigned int hwcfg = smsc911x_reg_read(pdata, HW_CFG);
+ 
+-	/* External phy is requested, supported, and detected */
+-	if (hwcfg & HW_CFG_EXT_PHY_DET_) {
++	/* Disable phy clocks to the MAC */
++	hwcfg &= (~HW_CFG_PHY_CLK_SEL_);
++	hwcfg |= HW_CFG_PHY_CLK_SEL_CLK_DIS_;
++	smsc911x_reg_write(pdata, HW_CFG, hwcfg);
++	udelay(10);	/* Enough time for clocks to stop */
+ 
+-		/* Switch to external phy. Assuming tx and rx are stopped
+-		 * because smsc911x_phy_initialise is called before
+-		 * smsc911x_rx_initialise and tx_initialise. */
++	/* Switch to external phy */
++	hwcfg |= HW_CFG_EXT_PHY_EN_;
++	smsc911x_reg_write(pdata, HW_CFG, hwcfg);
+ 
+-		/* Disable phy clocks to the MAC */
+-		hwcfg &= (~HW_CFG_PHY_CLK_SEL_);
+-		hwcfg |= HW_CFG_PHY_CLK_SEL_CLK_DIS_;
+-		smsc911x_reg_write(pdata, HW_CFG, hwcfg);
+-		udelay(10);	/* Enough time for clocks to stop */
++	/* Enable phy clocks to the MAC */
++	hwcfg &= (~HW_CFG_PHY_CLK_SEL_);
++	hwcfg |= HW_CFG_PHY_CLK_SEL_EXT_PHY_;
++	smsc911x_reg_write(pdata, HW_CFG, hwcfg);
++	udelay(10);	/* Enough time for clocks to restart */
+ 
+-		/* Switch to external phy */
+-		hwcfg |= HW_CFG_EXT_PHY_EN_;
+-		smsc911x_reg_write(pdata, HW_CFG, hwcfg);
+-
+-		/* Enable phy clocks to the MAC */
+-		hwcfg &= (~HW_CFG_PHY_CLK_SEL_);
+-		hwcfg |= HW_CFG_PHY_CLK_SEL_EXT_PHY_;
+-		smsc911x_reg_write(pdata, HW_CFG, hwcfg);
+-		udelay(10);	/* Enough time for clocks to restart */
++	hwcfg |= HW_CFG_SMI_SEL_;
++	smsc911x_reg_write(pdata, HW_CFG, hwcfg);
++}
+ 
+-		hwcfg |= HW_CFG_SMI_SEL_;
+-		smsc911x_reg_write(pdata, HW_CFG, hwcfg);
++/* Autodetects and enables external phy if present on supported chips.
++ * autodetection can be overridden by specifying SMSC911X_FORCE_INTERNAL_PHY
++ * or SMSC911X_FORCE_EXTERNAL_PHY in the platform_data flags. */
++static void smsc911x_phy_initialise_external(struct smsc911x_data *pdata)
++{
++	unsigned int hwcfg = smsc911x_reg_read(pdata, HW_CFG);
+ 
+-		SMSC_TRACE(HW, "Successfully switched to external PHY");
++	if (pdata->config.flags & SMSC911X_FORCE_INTERNAL_PHY) {
++		SMSC_TRACE(HW, "Forcing internal PHY");
++		pdata->using_extphy = 0;
++	} else if (pdata->config.flags & SMSC911X_FORCE_EXTERNAL_PHY) {
++		SMSC_TRACE(HW, "Forcing external PHY");
++		smsc911x_phy_enable_external(pdata);
++		pdata->using_extphy = 1;
++	} else if (hwcfg & HW_CFG_EXT_PHY_DET_) {
++		SMSC_TRACE(HW, "HW_CFG EXT_PHY_DET set, using external PHY");
++		smsc911x_phy_enable_external(pdata);
+ 		pdata->using_extphy = 1;
+ 	} else {
+-		SMSC_WARNING(HW, "No external PHY detected, "
+-			"Using internal PHY instead.");
+-		/* Use internal phy */
+-		return -ENODEV;
++		SMSC_TRACE(HW, "HW_CFG EXT_PHY_DET clear, using internal PHY");
++		pdata->using_extphy = 0;
+ 	}
+-	return 0;
+ }
+ 
+ /* Fetches a tx status out of the status fifo */
+@@ -824,22 +829,18 @@ static int __devinit smsc911x_mii_init(struct platform_device *pdev,
+ 
+ 	pdata->mii_bus->parent = &pdev->dev;
+ 
+-	pdata->using_extphy = 0;
+-
+ 	switch (pdata->idrev & 0xFFFF0000) {
+ 	case 0x01170000:
+ 	case 0x01150000:
+ 	case 0x117A0000:
+ 	case 0x115A0000:
+ 		/* External PHY supported, try to autodetect */
+-		if (smsc911x_phy_initialise_external(pdata) < 0) {
+-			SMSC_TRACE(HW, "No external PHY detected, "
+-				"using internal PHY");
+-		}
++		smsc911x_phy_initialise_external(pdata);
+ 		break;
+ 	default:
+ 		SMSC_TRACE(HW, "External PHY is not supported, "
+ 			"using internal PHY");
++		pdata->using_extphy = 0;
+ 		break;
+ 	}
+ 
+diff --git a/include/linux/smsc911x.h b/include/linux/smsc911x.h
+index 1cbf031..170c76b 100644
+--- a/include/linux/smsc911x.h
++++ b/include/linux/smsc911x.h
+@@ -43,5 +43,7 @@ struct smsc911x_platform_config {
+ /* Constants for flags */
+ #define SMSC911X_USE_16BIT 			(BIT(0))
+ #define SMSC911X_USE_32BIT 			(BIT(1))
++#define SMSC911X_FORCE_INTERNAL_PHY		(BIT(2))
++#define SMSC911X_FORCE_EXTERNAL_PHY 		(BIT(3))
+ 
+ #endif /* __LINUX_SMSC911X_H__ */
+-- 
+1.6.0.6
+
+--
+To unsubscribe from this list: send the line "unsubscribe netdev" in
+the body of a message to majordomo@vger.kernel.org
+More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff --git a/recipes/linux/linux-omap-2.6.29/smsc/smsc911x-4.patch b/recipes/linux/linux-omap-2.6.29/smsc/smsc911x-4.patch
new file mode 100644
index 0000000000..8afa06f400
--- /dev/null
+++ b/recipes/linux/linux-omap-2.6.29/smsc/smsc911x-4.patch
@@ -0,0 +1,93 @@
+From: Steve Glendinning <steve.glendinning@smsc.com>
+
+Some platforms (for example pcm037) do not have an EEPROM fitted,
+instead storing their mac address somewhere else.  The bootloader
+fetches this and configures the ethernet adapter before the kernel is
+started.
+
+This patch allows a platform to indicate to the driver via the
+SMSC911X_SAVE_MAC_ADDRESS flag that the mac address has already been
+configured via such a mechanism, and should be saved before resetting
+the chip.
+
+Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
+Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
+Tested-by: Sascha Hauer <s.hauer@pengutronix.de>
+---
+ drivers/net/smsc911x.c   |   30 ++++++++++++++++++++++--------
+ include/linux/smsc911x.h |    1 +
+ 2 files changed, 23 insertions(+), 8 deletions(-)
+
+diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
+index c7379f5..2f7399e 100644
+--- a/drivers/net/smsc911x.c
++++ b/drivers/net/smsc911x.c
+@@ -1748,6 +1748,21 @@ static const struct net_device_ops smsc911x_netdev_ops = {
+ #endif
+ };
+ 
++/* copies the current mac address from hardware to dev->dev_addr */
++static void __devinit smsc911x_read_mac_address(struct net_device *dev)
++{
++	struct smsc911x_data *pdata = netdev_priv(dev);
++	u32 mac_high16 = smsc911x_mac_read(pdata, ADDRH);
++	u32 mac_low32 = smsc911x_mac_read(pdata, ADDRL);
++
++	dev->dev_addr[0] = (u8)(mac_low32);
++	dev->dev_addr[1] = (u8)(mac_low32 >> 8);
++	dev->dev_addr[2] = (u8)(mac_low32 >> 16);
++	dev->dev_addr[3] = (u8)(mac_low32 >> 24);
++	dev->dev_addr[4] = (u8)(mac_high16);
++	dev->dev_addr[5] = (u8)(mac_high16 >> 8);
++}
++
+ /* Initializing private device structures, only called from probe */
+ static int __devinit smsc911x_init(struct net_device *dev)
+ {
+@@ -1835,6 +1850,12 @@ static int __devinit smsc911x_init(struct net_device *dev)
+ 		SMSC_WARNING(PROBE,
+ 			"This driver is not intended for this chip revision");
+ 
++	/* workaround for platforms without an eeprom, where the mac address
++	 * is stored elsewhere and set by the bootloader.  This saves the
++	 * mac address before resetting the device */
++	if (pdata->config.flags & SMSC911X_SAVE_MAC_ADDRESS)
++		smsc911x_read_mac_address(dev);
++
+ 	/* Reset the LAN911x */
+ 	if (smsc911x_soft_reset(pdata))
+ 		return -ENODEV;
+@@ -2015,14 +2036,7 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
+ 	} else {
+ 		/* Try reading mac address from device. if EEPROM is present
+ 		 * it will already have been set */
+-		u32 mac_high16 = smsc911x_mac_read(pdata, ADDRH);
+-		u32 mac_low32 = smsc911x_mac_read(pdata, ADDRL);
+-		dev->dev_addr[0] = (u8)(mac_low32);
+-		dev->dev_addr[1] = (u8)(mac_low32 >> 8);
+-		dev->dev_addr[2] = (u8)(mac_low32 >> 16);
+-		dev->dev_addr[3] = (u8)(mac_low32 >> 24);
+-		dev->dev_addr[4] = (u8)(mac_high16);
+-		dev->dev_addr[5] = (u8)(mac_high16 >> 8);
++		smsc911x_read_mac_address(dev);
+ 
+ 		if (is_valid_ether_addr(dev->dev_addr)) {
+ 			/* eeprom values are valid  so use them */
+diff --git a/include/linux/smsc911x.h b/include/linux/smsc911x.h
+index 170c76b..b327250 100644
+--- a/include/linux/smsc911x.h
++++ b/include/linux/smsc911x.h
+@@ -45,5 +45,6 @@ struct smsc911x_platform_config {
+ #define SMSC911X_USE_32BIT 			(BIT(1))
+ #define SMSC911X_FORCE_INTERNAL_PHY		(BIT(2))
+ #define SMSC911X_FORCE_EXTERNAL_PHY 		(BIT(3))
++#define SMSC911X_SAVE_MAC_ADDRESS		(BIT(4))
+ 
+ #endif /* __LINUX_SMSC911X_H__ */
+-- 
+1.6.0.6
+
+--
+To unsubscribe from this list: send the line "unsubscribe netdev" in
+the body of a message to majordomo@vger.kernel.org
+More majordomo info at  http://vger.kernel.org/majordomo-info.html