From 55754f19d7ee4fa3633f55a4a084af8590c35efa Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Tue, 23 Jul 2013 10:18:04 +0900 Subject: [PATCH] sh_eth: add support for RMIIMODE register This register is prsent on the r8a7790 SoC. Signed-off-by: Simon Horman Signed-off-by: David S. Miller --- drivers/net/ethernet/renesas/sh_eth.c | 4 ++++ drivers/net/ethernet/renesas/sh_eth.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index a753928bab9c..87af49f1414d 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -189,6 +189,7 @@ static const u16 sh_eth_offset_fast_rcar[SH_ETH_MAX_REGISTER_OFFSET] = { [RMCR] = 0x0258, [TFUCR] = 0x0264, [RFOCR] = 0x0268, + [RMIIMODE] = 0x026c, [FCFTR] = 0x0270, [TRIMD] = 0x027c, }; @@ -1124,6 +1125,9 @@ static int sh_eth_dev_init(struct net_device *ndev, bool start) if (ret) goto out; + if (mdp->cd->rmiimode) + sh_eth_write(ndev, 0x1, RMIIMODE); + /* Descriptor format */ sh_eth_ring_format(ndev); if (mdp->cd->rpadir) diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h index 99995bf38c40..da93f5cf41f8 100644 --- a/drivers/net/ethernet/renesas/sh_eth.h +++ b/drivers/net/ethernet/renesas/sh_eth.h @@ -60,6 +60,7 @@ enum { EDOCR, TFUCR, RFOCR, + RMIIMODE, FCFTR, RPADIR, TRIMD, @@ -482,6 +483,7 @@ struct sh_eth_cpu_data { unsigned hw_crc:1; /* E-DMAC have CSMR */ unsigned select_mii:1; /* EtherC have RMII_MII (MII select register) */ unsigned shift_rd0:1; /* shift Rx descriptor word 0 right by 16 */ + unsigned rmiimode:1; /* EtherC has RMIIMODE register */ }; struct sh_eth_private { -- 2.20.1