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| author | Eric Nelson <eric.nelson@boundarydevices.com> | 2012-03-15 18:33:25 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-03-29 07:57:20 +0200 |
| commit | 5c1ad3e6f8ae578bbe30e09652f1531e9bc22031 (patch) | |
| tree | 65969d30d4140d8dd075d6fcf4da036d3c919e10 /drivers/net/fec_mxc.h | |
| parent | 2c4b3c19a1fe1c4e9ef1ec457cf34821368288d7 (diff) | |
| download | u-boot-imx-5c1ad3e6f8ae578bbe30e09652f1531e9bc22031.zip u-boot-imx-5c1ad3e6f8ae578bbe30e09652f1531e9bc22031.tar.gz u-boot-imx-5c1ad3e6f8ae578bbe30e09652f1531e9bc22031.tar.bz2 | |
net: fec_mxc: allow use with cache enabled
Ensure that transmit and receive buffers are cache-line aligned.
Invalidate cache for each packet as received, update receive buffer
descriptors one cache line at a time, flush cache before transmitting.
Original patch by Marek:
http://lists.denx.de/pipermail/u-boot/2012-February/117695.html
Signed-off-by: Eric Nelson <eric.nelson at boundarydevices.com>
Acked-by: Marek Vasut <marex@denx.de>
Tested-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'drivers/net/fec_mxc.h')
| -rw-r--r-- | drivers/net/fec_mxc.h | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/drivers/net/fec_mxc.h b/drivers/net/fec_mxc.h index 2eb7803..852b2e0 100644 --- a/drivers/net/fec_mxc.h +++ b/drivers/net/fec_mxc.h @@ -234,22 +234,6 @@ struct ethernet_regs { #endif /** - * @brief Descriptor buffer alignment - * - * i.MX27 requires a 16 byte alignment (but for the first element only) - */ -#define DB_ALIGNMENT 16 - -/** - * @brief Data buffer alignment - * - * i.MX27 requires a four byte alignment for transmit and 16 bits - * alignment for receive so take 16 - * Note: Valid for member data_pointer in struct buffer_descriptor - */ -#define DB_DATA_ALIGNMENT 16 - -/** * @brief Receive & Transmit Buffer Descriptor definitions * * Note: The first BD must be aligned (see DB_ALIGNMENT) @@ -282,8 +266,7 @@ struct fec_priv { struct fec_bd *tbd_base; /* TBD ring */ int tbd_index; /* next transmit BD to write */ bd_t *bd; - void *rdb_ptr; - void *base_ptr; + uint8_t *tdb_ptr; int dev_id; int phy_id; struct mii_dev *bus; |