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