brcm2708: add linux 4.19 support

Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/target/linux/brcm2708/patches-4.19/950-0033-lan78xx-Enable-LEDs-and-auto-negotiation.patch b/target/linux/brcm2708/patches-4.19/950-0033-lan78xx-Enable-LEDs-and-auto-negotiation.patch
new file mode 100644
index 0000000000..ace7600887
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0033-lan78xx-Enable-LEDs-and-auto-negotiation.patch
@@ -0,0 +1,48 @@
+From a3d3dea9ca36f4f5adbf741f36b06ce05b70c2bb Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Tue, 17 Oct 2017 15:04:29 +0100
+Subject: [PATCH 033/703] lan78xx: Enable LEDs and auto-negotiation
+
+For applications of the LAN78xx that don't have valid programmed
+EEPROMs or OTPs, enabling both LEDs and auto-negotiation by default
+seems reasonable.
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ drivers/net/usb/lan78xx.c | 11 +++++++++++
+ 1 file changed, 11 insertions(+)
+
+--- a/drivers/net/usb/lan78xx.c
++++ b/drivers/net/usb/lan78xx.c
+@@ -2472,6 +2472,11 @@ static int lan78xx_reset(struct lan78xx_
+ 	int ret = 0;
+ 	unsigned long timeout;
+ 	u8 sig;
++	bool has_eeprom;
++	bool has_otp;
++
++	has_eeprom = !lan78xx_read_eeprom(dev, 0, 0, NULL);
++	has_otp = !lan78xx_read_otp(dev, 0, 0, NULL);
+ 
+ 	ret = lan78xx_read_reg(dev, HW_CFG, &buf);
+ 	buf |= HW_CFG_LRST_;
+@@ -2525,6 +2530,9 @@ static int lan78xx_reset(struct lan78xx_
+ 
+ 	ret = lan78xx_read_reg(dev, HW_CFG, &buf);
+ 	buf |= HW_CFG_MEF_;
++	/* If no valid EEPROM and no valid OTP, enable the LEDs by default */
++	if (!has_eeprom && !has_otp)
++	    buf |= HW_CFG_LED0_EN_ | HW_CFG_LED1_EN_;
+ 	ret = lan78xx_write_reg(dev, HW_CFG, buf);
+ 
+ 	ret = lan78xx_read_reg(dev, USB_CFG0, &buf);
+@@ -2580,6 +2588,9 @@ static int lan78xx_reset(struct lan78xx_
+ 			buf |= MAC_CR_AUTO_DUPLEX_ | MAC_CR_AUTO_SPEED_;
+ 		}
+ 	}
++	/* If no valid EEPROM and no valid OTP, enable AUTO negotiation */
++	if (!has_eeprom && !has_otp)
++	    buf |= MAC_CR_AUTO_DUPLEX_ | MAC_CR_AUTO_SPEED_;
+ 	ret = lan78xx_write_reg(dev, MAC_CR, buf);
+ 
+ 	ret = lan78xx_read_reg(dev, MAC_TX, &buf);