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688911c2f5
Fix the Transmit FIFO flush operation; it was disabled while reworking the descriptor structures. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
209 lines
8.1 KiB
C
209 lines
8.1 KiB
C
/*******************************************************************************
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Copyright (C) 2007-2009 STMicroelectronics Ltd
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This program is free software; you can redistribute it and/or modify it
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under the terms and conditions of the GNU General Public License,
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version 2, as published by the Free Software Foundation.
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This program is distributed in the hope it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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The full GNU General Public License is included in this distribution in
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the file called "COPYING".
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Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
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*******************************************************************************/
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#include <linux/phy.h>
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#include "common.h"
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#define GMAC_CONTROL 0x00000000 /* Configuration */
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#define GMAC_FRAME_FILTER 0x00000004 /* Frame Filter */
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#define GMAC_HASH_HIGH 0x00000008 /* Multicast Hash Table High */
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#define GMAC_HASH_LOW 0x0000000c /* Multicast Hash Table Low */
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#define GMAC_MII_ADDR 0x00000010 /* MII Address */
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#define GMAC_MII_DATA 0x00000014 /* MII Data */
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#define GMAC_FLOW_CTRL 0x00000018 /* Flow Control */
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#define GMAC_VLAN_TAG 0x0000001c /* VLAN Tag */
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#define GMAC_VERSION 0x00000020 /* GMAC CORE Version */
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#define GMAC_WAKEUP_FILTER 0x00000028 /* Wake-up Frame Filter */
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#define GMAC_INT_STATUS 0x00000038 /* interrupt status register */
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enum dwmac1000_irq_status {
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time_stamp_irq = 0x0200,
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mmc_rx_csum_offload_irq = 0x0080,
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mmc_tx_irq = 0x0040,
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mmc_rx_irq = 0x0020,
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mmc_irq = 0x0010,
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pmt_irq = 0x0008,
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pcs_ane_irq = 0x0004,
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pcs_link_irq = 0x0002,
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rgmii_irq = 0x0001,
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};
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#define GMAC_INT_MASK 0x0000003c /* interrupt mask register */
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/* PMT Control and Status */
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#define GMAC_PMT 0x0000002c
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enum power_event {
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pointer_reset = 0x80000000,
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global_unicast = 0x00000200,
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wake_up_rx_frame = 0x00000040,
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magic_frame = 0x00000020,
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wake_up_frame_en = 0x00000004,
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magic_pkt_en = 0x00000002,
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power_down = 0x00000001,
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};
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/* GMAC HW ADDR regs */
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#define GMAC_ADDR_HIGH(reg) (0x00000040+(reg * 8))
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#define GMAC_ADDR_LOW(reg) (0x00000044+(reg * 8))
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#define GMAC_MAX_UNICAST_ADDRESSES 16
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#define GMAC_AN_CTRL 0x000000c0 /* AN control */
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#define GMAC_AN_STATUS 0x000000c4 /* AN status */
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#define GMAC_ANE_ADV 0x000000c8 /* Auto-Neg. Advertisement */
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#define GMAC_ANE_LINK 0x000000cc /* Auto-Neg. link partener ability */
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#define GMAC_ANE_EXP 0x000000d0 /* ANE expansion */
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#define GMAC_TBI 0x000000d4 /* TBI extend status */
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#define GMAC_GMII_STATUS 0x000000d8 /* S/R-GMII status */
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/* GMAC Configuration defines */
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#define GMAC_CONTROL_TC 0x01000000 /* Transmit Conf. in RGMII/SGMII */
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#define GMAC_CONTROL_WD 0x00800000 /* Disable Watchdog on receive */
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#define GMAC_CONTROL_JD 0x00400000 /* Jabber disable */
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#define GMAC_CONTROL_BE 0x00200000 /* Frame Burst Enable */
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#define GMAC_CONTROL_JE 0x00100000 /* Jumbo frame */
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enum inter_frame_gap {
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GMAC_CONTROL_IFG_88 = 0x00040000,
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GMAC_CONTROL_IFG_80 = 0x00020000,
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GMAC_CONTROL_IFG_40 = 0x000e0000,
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};
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#define GMAC_CONTROL_DCRS 0x00010000 /* Disable carrier sense during tx */
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#define GMAC_CONTROL_PS 0x00008000 /* Port Select 0:GMI 1:MII */
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#define GMAC_CONTROL_FES 0x00004000 /* Speed 0:10 1:100 */
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#define GMAC_CONTROL_DO 0x00002000 /* Disable Rx Own */
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#define GMAC_CONTROL_LM 0x00001000 /* Loop-back mode */
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#define GMAC_CONTROL_DM 0x00000800 /* Duplex Mode */
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#define GMAC_CONTROL_IPC 0x00000400 /* Checksum Offload */
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#define GMAC_CONTROL_DR 0x00000200 /* Disable Retry */
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#define GMAC_CONTROL_LUD 0x00000100 /* Link up/down */
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#define GMAC_CONTROL_ACS 0x00000080 /* Automatic Pad Stripping */
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#define GMAC_CONTROL_DC 0x00000010 /* Deferral Check */
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#define GMAC_CONTROL_TE 0x00000008 /* Transmitter Enable */
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#define GMAC_CONTROL_RE 0x00000004 /* Receiver Enable */
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#define GMAC_CORE_INIT (GMAC_CONTROL_JD | GMAC_CONTROL_PS | GMAC_CONTROL_ACS | \
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GMAC_CONTROL_IPC | GMAC_CONTROL_JE | GMAC_CONTROL_BE)
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/* GMAC Frame Filter defines */
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#define GMAC_FRAME_FILTER_PR 0x00000001 /* Promiscuous Mode */
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#define GMAC_FRAME_FILTER_HUC 0x00000002 /* Hash Unicast */
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#define GMAC_FRAME_FILTER_HMC 0x00000004 /* Hash Multicast */
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#define GMAC_FRAME_FILTER_DAIF 0x00000008 /* DA Inverse Filtering */
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#define GMAC_FRAME_FILTER_PM 0x00000010 /* Pass all multicast */
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#define GMAC_FRAME_FILTER_DBF 0x00000020 /* Disable Broadcast frames */
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#define GMAC_FRAME_FILTER_SAIF 0x00000100 /* Inverse Filtering */
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#define GMAC_FRAME_FILTER_SAF 0x00000200 /* Source Address Filter */
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#define GMAC_FRAME_FILTER_HPF 0x00000400 /* Hash or perfect Filter */
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#define GMAC_FRAME_FILTER_RA 0x80000000 /* Receive all mode */
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/* GMII ADDR defines */
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#define GMAC_MII_ADDR_WRITE 0x00000002 /* MII Write */
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#define GMAC_MII_ADDR_BUSY 0x00000001 /* MII Busy */
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/* GMAC FLOW CTRL defines */
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#define GMAC_FLOW_CTRL_PT_MASK 0xffff0000 /* Pause Time Mask */
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#define GMAC_FLOW_CTRL_PT_SHIFT 16
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#define GMAC_FLOW_CTRL_RFE 0x00000004 /* Rx Flow Control Enable */
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#define GMAC_FLOW_CTRL_TFE 0x00000002 /* Tx Flow Control Enable */
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#define GMAC_FLOW_CTRL_FCB_BPA 0x00000001 /* Flow Control Busy ... */
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/*--- DMA BLOCK defines ---*/
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/* DMA Bus Mode register defines */
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#define DMA_BUS_MODE_SFT_RESET 0x00000001 /* Software Reset */
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#define DMA_BUS_MODE_DA 0x00000002 /* Arbitration scheme */
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#define DMA_BUS_MODE_DSL_MASK 0x0000007c /* Descriptor Skip Length */
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#define DMA_BUS_MODE_DSL_SHIFT 2 /* (in DWORDS) */
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/* Programmable burst length (passed thorugh platform)*/
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#define DMA_BUS_MODE_PBL_MASK 0x00003f00 /* Programmable Burst Len */
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#define DMA_BUS_MODE_PBL_SHIFT 8
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enum rx_tx_priority_ratio {
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double_ratio = 0x00004000, /*2:1 */
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triple_ratio = 0x00008000, /*3:1 */
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quadruple_ratio = 0x0000c000, /*4:1 */
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};
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#define DMA_BUS_MODE_FB 0x00010000 /* Fixed burst */
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#define DMA_BUS_MODE_RPBL_MASK 0x003e0000 /* Rx-Programmable Burst Len */
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#define DMA_BUS_MODE_RPBL_SHIFT 17
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#define DMA_BUS_MODE_USP 0x00800000
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#define DMA_BUS_MODE_4PBL 0x01000000
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#define DMA_BUS_MODE_AAL 0x02000000
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/* DMA CRS Control and Status Register Mapping */
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#define DMA_HOST_TX_DESC 0x00001048 /* Current Host Tx descriptor */
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#define DMA_HOST_RX_DESC 0x0000104c /* Current Host Rx descriptor */
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/* DMA Bus Mode register defines */
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#define DMA_BUS_PR_RATIO_MASK 0x0000c000 /* Rx/Tx priority ratio */
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#define DMA_BUS_PR_RATIO_SHIFT 14
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#define DMA_BUS_FB 0x00010000 /* Fixed Burst */
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/* DMA operation mode defines (start/stop tx/rx are placed in common header)*/
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#define DMA_CONTROL_DT 0x04000000 /* Disable Drop TCP/IP csum error */
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#define DMA_CONTROL_RSF 0x02000000 /* Receive Store and Forward */
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#define DMA_CONTROL_DFF 0x01000000 /* Disaable flushing */
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/* Threshold for Activating the FC */
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enum rfa {
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act_full_minus_1 = 0x00800000,
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act_full_minus_2 = 0x00800200,
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act_full_minus_3 = 0x00800400,
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act_full_minus_4 = 0x00800600,
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};
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/* Threshold for Deactivating the FC */
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enum rfd {
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deac_full_minus_1 = 0x00400000,
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deac_full_minus_2 = 0x00400800,
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deac_full_minus_3 = 0x00401000,
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deac_full_minus_4 = 0x00401800,
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};
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#define DMA_CONTROL_TSF 0x00200000 /* Transmit Store and Forward */
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enum ttc_control {
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DMA_CONTROL_TTC_64 = 0x00000000,
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DMA_CONTROL_TTC_128 = 0x00004000,
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DMA_CONTROL_TTC_192 = 0x00008000,
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DMA_CONTROL_TTC_256 = 0x0000c000,
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DMA_CONTROL_TTC_40 = 0x00010000,
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DMA_CONTROL_TTC_32 = 0x00014000,
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DMA_CONTROL_TTC_24 = 0x00018000,
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DMA_CONTROL_TTC_16 = 0x0001c000,
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};
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#define DMA_CONTROL_TC_TX_MASK 0xfffe3fff
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#define DMA_CONTROL_EFC 0x00000100
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#define DMA_CONTROL_FEF 0x00000080
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#define DMA_CONTROL_FUF 0x00000040
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enum rtc_control {
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DMA_CONTROL_RTC_64 = 0x00000000,
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DMA_CONTROL_RTC_32 = 0x00000008,
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DMA_CONTROL_RTC_96 = 0x00000010,
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DMA_CONTROL_RTC_128 = 0x00000018,
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};
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#define DMA_CONTROL_TC_RX_MASK 0xffffffe7
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#define DMA_CONTROL_OSF 0x00000004 /* Operate on second frame */
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/* MMC registers offset */
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#define GMAC_MMC_CTRL 0x100
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#define GMAC_MMC_RX_INTR 0x104
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#define GMAC_MMC_TX_INTR 0x108
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#define GMAC_MMC_RX_CSUM_OFFLOAD 0x208
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extern struct stmmac_dma_ops dwmac1000_dma_ops;
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