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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-09 20:32:28 +0200 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-14 12:44:14 +0200 |
| commit | 42954857190b9df16d9d873ecc7f6cc38e013e44 (patch) | |
| tree | 98c588f629ff534d458eb0884782ea99672d7634 /target/linux/brcm2708/patches-4.19/950-0033-lan78xx-Enable-LEDs-and-auto-negotiation.patch | |
| parent | f1875e902d0afb7d9b9e5285b4fd8da7f6c5e30a (diff) | |
| download | upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.gz upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.bz2 upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.zip | |
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>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0033-lan78xx-Enable-LEDs-and-auto-negotiation.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0033-lan78xx-Enable-LEDs-and-auto-negotiation.patch | 48 |
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); |