diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2014-10-27 13:07:03 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2014-10-28 09:41:23 +0100 |
| commit | 67c3a4aee6c0af124ce779aed1be70c7a92d0916 (patch) | |
| tree | 463be0df5b367121fc255fa75c3d3fb2bc3486a7 | |
| parent | c7497b0fff4f086bccd13b8d408800d2f27419ee (diff) | |
net: asix: fix operation without eeprom
This patch fixes operation of our on-board AX88772B chip without EEPROM
but with a ethaddr coming from the regular U-Boot environment. This is
a forward port of some remaining parts initially implemented by
Antmicro.
| -rw-r--r-- | drivers/usb/eth/asix.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/usb/eth/asix.c b/drivers/usb/eth/asix.c index 6557055e02..930446b58b 100644 --- a/drivers/usb/eth/asix.c +++ b/drivers/usb/eth/asix.c @@ -1,5 +1,8 @@ /* * Copyright (c) 2011 The Chromium OS Authors. + * Copyright (c) 2012-2014 Toradex, Inc. + * + * Patched for AX88772B by Antmicro Ltd <www.antmicro.com> * * SPDX-License-Identifier: GPL-2.0+ */ @@ -64,8 +67,14 @@ AX_MEDIUM_AC | AX_MEDIUM_RE) /* AX88772 & AX88178 RX_CTL values */ +#define AX_RX_CTL_RH2M 0x0200 /* Enable IP header in receive + buffer aligned on 32-bit + boundary */ +#define AX_RX_CTL_RH1M 0x0100 /* Enable RX-Header mode 0 */ #define AX_RX_CTL_SO 0x0080 #define AX_RX_CTL_AB 0x0008 +#define AX_RX_HEADER_DEFAULT (AX_RX_CTL_RH1M | \ + AX_RX_CTL_RH2M) #define AX_DEFAULT_RX_CTL \ (AX_RX_CTL_SO | AX_RX_CTL_AB) @@ -426,7 +435,15 @@ static int asix_init(struct eth_device *eth, bd_t *bd) debug("** %s()\n", __func__); - if (asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL) < 0) + if ((dev->pusb_dev->descriptor.idVendor == 0x0b95) && + (dev->pusb_dev->descriptor.idProduct == 0x772b)) { + if (asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL | + AX_RX_HEADER_DEFAULT) < 0) + goto out_err; + } else if (asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL) < 0) + goto out_err; + + if (asix_write_hwaddr(eth) < 0) goto out_err; do { @@ -447,6 +464,10 @@ static int asix_init(struct eth_device *eth, bd_t *bd) goto out_err; } + /* Wait some more to avoid timeout on first transfer + (e.g. EHCI timed out on TD - token=0x8008d80) */ + udelay(25000); + return 0; out_err: return -1; @@ -533,6 +554,10 @@ static int asix_recv(struct eth_device *eth) return -1; } + if ((dev->pusb_dev->descriptor.idVendor == 0x0b95) && + (dev->pusb_dev->descriptor.idProduct == 0x772b)) + buf_ptr += 2; + /* Notify net stack */ NetReceive(buf_ptr + sizeof(packet_len), packet_len); |