Commit c1cd0a85 authored by stephen hemminger's avatar stephen hemminger Committed by David S. Miller
Browse files

sky2: support Yukon EC_U rev B1 and later 



Need to change logic to support later versions of Yukon 2 EC_U chip.

Signed-off-by: default avatarStephen Hemminger <shemminger@vyatta.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9b27105b

drivers/net/sky2.c

+5 −2
Original line number Diff line number Diff line
@@ -877,6 +877,10 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port) 
	if (hw->dev[port]->mtu > ETH_DATA_LEN)

		reg |= GM_SMOD_JUMBO_ENA;



	if (hw->chip_id == CHIP_ID_YUKON_EC_U &&

	    hw->chip_rev == CHIP_REV_YU_EC_U_B1)

		reg |= GM_NEW_FLOW_CTRL;



	gma_write16(hw, port, GM_SERIAL_MODE, reg);



	/* virtual address for data */
@@ -1413,8 +1417,7 @@ static void sky2_rx_start(struct sky2_port *sky2) 
	/* These chips have no ram buffer?

	 * MAC Rx RAM Read is controlled by hardware */

	if (hw->chip_id == CHIP_ID_YUKON_EC_U &&

	    (hw->chip_rev == CHIP_REV_YU_EC_U_A1 ||

	     hw->chip_rev == CHIP_REV_YU_EC_U_B0))

	    hw->chip_rev > CHIP_REV_YU_EC_U_A0)

		sky2_write32(hw, Q_ADDR(rxq, Q_TEST), F_M_RX_RAM_DIS);



	sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1);

drivers/net/sky2.h

+8 −4
Original line number Diff line number Diff line
@@ -557,6 +557,7 @@ enum yukon_ec_u_rev { 
	CHIP_REV_YU_EC_U_A0  = 1,

	CHIP_REV_YU_EC_U_A1  = 2,

	CHIP_REV_YU_EC_U_B0  = 3,

	CHIP_REV_YU_EC_U_B1  = 5,

};

enum yukon_fe_rev {

	CHIP_REV_YU_FE_A1    = 1,
@@ -1775,9 +1776,12 @@ enum { 
/*	GM_SERIAL_MODE			16 bit r/w	Serial Mode Register */

enum {

	GM_SMOD_DATABL_MSK	= 0x1f<<11, /* Bit 15..11:	Data Blinder (r/o) */

	GM_SMOD_LIMIT_4		= 1<<10, /* Bit 10:	4 consecutive Tx trials */

	GM_SMOD_VLAN_ENA	= 1<<9,	/* Bit  9:	Enable VLAN  (Max. Frame Len) */

	GM_SMOD_JUMBO_ENA	= 1<<8,	/* Bit  8:	Enable Jumbo (Max. Frame Len) */

	GM_SMOD_LIMIT_4		= 1<<10, /* 4 consecutive Tx trials */

	GM_SMOD_VLAN_ENA	= 1<<9,	 /* Enable VLAN  (Max. Frame Len) */

	GM_SMOD_JUMBO_ENA	= 1<<8,	 /* Enable Jumbo (Max. Frame Len) */



	GM_NEW_FLOW_CTRL	= 1<<6,	 /* Enable New Flow-Control */



	GM_SMOD_IPG_MSK		= 0x1f	 /* Bit 4..0:	Inter-Packet Gap (IPG) */

};