diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/gianfar.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/gianfar.h | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/drivers/net/ethernet/freescale/gianfar.h b/drivers/net/ethernet/freescale/gianfar.h index 52bb2b0195cc..63c830c3181b 100644 --- a/drivers/net/ethernet/freescale/gianfar.h +++ b/drivers/net/ethernet/freescale/gianfar.h @@ -9,7 +9,7 @@ * Maintainer: Kumar Gala * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com> * - * Copyright 2002-2009, 2011 Freescale Semiconductor, Inc. + * Copyright 2002-2009, 2011-2013 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -892,8 +892,8 @@ struct gfar { #define DEFAULT_MAPPING 0xFF #endif -#define ISRG_SHIFT_TX 0x10 -#define ISRG_SHIFT_RX 0x18 +#define ISRG_RR0 0x80000000 +#define ISRG_TR0 0x00800000 /* The same driver can operate in two modes */ /* SQ_SG_MODE: Single Queue Single Group Mode @@ -1113,6 +1113,9 @@ struct gfar_private { unsigned int total_tx_ring_size; unsigned int total_rx_ring_size; + u32 rqueue; + u32 tqueue; + /* RX per device parameters */ unsigned int rx_stash_size; unsigned int rx_stash_index; @@ -1176,6 +1179,31 @@ static inline void gfar_read_filer(struct gfar_private *priv, *fpr = gfar_read(®s->rqfpr); } +static inline void gfar_write_isrg(struct gfar_private *priv) +{ + struct gfar __iomem *regs = priv->gfargrp[0].regs; + u32 __iomem *baddr = ®s->isrg0; + u32 isrg = 0; + int grp_idx, i; + + for (grp_idx = 0; grp_idx < priv->num_grps; grp_idx++) { + struct gfar_priv_grp *grp = &priv->gfargrp[grp_idx]; + + for_each_set_bit(i, &grp->rx_bit_map, priv->num_rx_queues) { + isrg |= (ISRG_RR0 >> i); + } + + for_each_set_bit(i, &grp->tx_bit_map, priv->num_tx_queues) { + isrg |= (ISRG_TR0 >> i); + } + + gfar_write(baddr, isrg); + + baddr++; + isrg = 0; + } +} + void lock_rx_qs(struct gfar_private *priv); void lock_tx_qs(struct gfar_private *priv); void unlock_rx_qs(struct gfar_private *priv); |