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sh_eth: add support for RMIIMODE register 

This register is prsent on the r8a7790 SoC.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Simon Horman 2013-07-23 10:18:04 +09:00 committed by David S. Miller
parent 9225b23057
commit 55754f19d7
2 changed files with 6 additions and 0 deletions
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4
drivers/net/ethernet/renesas/sh_eth.c
View File

@ -189,6 +189,7 @@ static const u16 sh_eth_offset_fast_rcar[SH_ETH_MAX_REGISTER_OFFSET] = {
[RMCR] = 0x0258, [RMCR] = 0x0258,
[TFUCR] = 0x0264, [TFUCR] = 0x0264,
[RFOCR] = 0x0268, [RFOCR] = 0x0268,
[RMIIMODE] = 0x026c,
[FCFTR] = 0x0270, [FCFTR] = 0x0270,
[TRIMD] = 0x027c, [TRIMD] = 0x027c,
}; };
@ -1124,6 +1125,9 @@ static int sh_eth_dev_init(struct net_device *ndev, bool start)
if (ret) if (ret)
goto out; goto out;
if (mdp->cd->rmiimode)
sh_eth_write(ndev, 0x1, RMIIMODE);
/* Descriptor format */ /* Descriptor format */
sh_eth_ring_format(ndev); sh_eth_ring_format(ndev);
if (mdp->cd->rpadir) if (mdp->cd->rpadir)

2
drivers/net/ethernet/renesas/sh_eth.h
View File

@ -60,6 +60,7 @@ enum {
EDOCR, EDOCR,
TFUCR, TFUCR,
RFOCR, RFOCR,
RMIIMODE,
FCFTR, FCFTR,
RPADIR, RPADIR,
TRIMD, TRIMD,
@ -482,6 +483,7 @@ struct sh_eth_cpu_data {
unsigned hw_crc:1; /* E-DMAC have CSMR */ unsigned hw_crc:1; /* E-DMAC have CSMR */
unsigned select_mii:1; /* EtherC have RMII_MII (MII select register) */ unsigned select_mii:1; /* EtherC have RMII_MII (MII select register) */
unsigned shift_rd0:1; /* shift Rx descriptor word 0 right by 16 */ unsigned shift_rd0:1; /* shift Rx descriptor word 0 right by 16 */
unsigned rmiimode:1; /* EtherC has RMIIMODE register */
}; };
struct sh_eth_private { struct sh_eth_private {