| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright (C) 2006-2008 PA Semi, Inc |
| * |
| * Hardware register layout and descriptor formats for the on-board |
| * DMA engine on PA Semi PWRficient. Used by ethernet, function and security |
| * drivers. |
| */ |
| |
| #ifndef ASM_PASEMI_DMA_H |
| #define ASM_PASEMI_DMA_H |
| |
| /* status register layout in IOB region, at 0xfb800000 */ |
| struct pasdma_status { |
| u64 rx_sta[64]; /* RX channel status */ |
| u64 tx_sta[20]; /* TX channel status */ |
| }; |
| |
| |
| /* All these registers live in the PCI configuration space for the DMA PCI |
| * device. Use the normal PCI config access functions for them. |
| */ |
| enum { |
| PAS_DMA_CAP_TXCH = 0x44, /* Transmit Channel Info */ |
| PAS_DMA_CAP_RXCH = 0x48, /* Transmit Channel Info */ |
| PAS_DMA_CAP_IFI = 0x4c, /* Interface Info */ |
| PAS_DMA_COM_TXCMD = 0x100, /* Transmit Command Register */ |
| PAS_DMA_COM_TXSTA = 0x104, /* Transmit Status Register */ |
| PAS_DMA_COM_RXCMD = 0x108, /* Receive Command Register */ |
| PAS_DMA_COM_RXSTA = 0x10c, /* Receive Status Register */ |
| PAS_DMA_COM_CFG = 0x114, /* Common config reg */ |
| PAS_DMA_TXF_SFLG0 = 0x140, /* Set flags */ |
| PAS_DMA_TXF_SFLG1 = 0x144, /* Set flags */ |
| PAS_DMA_TXF_CFLG0 = 0x148, /* Set flags */ |
| PAS_DMA_TXF_CFLG1 = 0x14c, /* Set flags */ |
| }; |
| |
| |
| #define PAS_DMA_CAP_TXCH_TCHN_M 0x00ff0000 /* # of TX channels */ |
| #define PAS_DMA_CAP_TXCH_TCHN_S 16 |
| |
| #define PAS_DMA_CAP_RXCH_RCHN_M 0x00ff0000 /* # of RX channels */ |
| #define PAS_DMA_CAP_RXCH_RCHN_S 16 |
| |
| #define PAS_DMA_CAP_IFI_IOFF_M 0xff000000 /* Cfg reg for intf pointers */ |
| #define PAS_DMA_CAP_IFI_IOFF_S 24 |
| #define PAS_DMA_CAP_IFI_NIN_M 0x00ff0000 /* # of interfaces */ |
| #define PAS_DMA_CAP_IFI_NIN_S 16 |
| |
| #define PAS_DMA_COM_TXCMD_EN 0x00000001 /* enable */ |
| #define PAS_DMA_COM_TXSTA_ACT 0x00000001 /* active */ |
| #define PAS_DMA_COM_RXCMD_EN 0x00000001 /* enable */ |
| #define PAS_DMA_COM_RXSTA_ACT 0x00000001 /* active */ |
| |
| |
| /* Per-interface and per-channel registers */ |
| #define _PAS_DMA_RXINT_STRIDE 0x20 |
| #define PAS_DMA_RXINT_RCMDSTA(i) (0x200+(i)*_PAS_DMA_RXINT_STRIDE) |
| #define PAS_DMA_RXINT_RCMDSTA_EN 0x00000001 |
| #define PAS_DMA_RXINT_RCMDSTA_ST 0x00000002 |
| #define PAS_DMA_RXINT_RCMDSTA_MBT 0x00000008 |
| #define PAS_DMA_RXINT_RCMDSTA_MDR 0x00000010 |
| #define PAS_DMA_RXINT_RCMDSTA_MOO 0x00000020 |
| #define PAS_DMA_RXINT_RCMDSTA_MBP 0x00000040 |
| #define PAS_DMA_RXINT_RCMDSTA_BT 0x00000800 |
| #define PAS_DMA_RXINT_RCMDSTA_DR 0x00001000 |
| #define PAS_DMA_RXINT_RCMDSTA_OO 0x00002000 |
| #define PAS_DMA_RXINT_RCMDSTA_BP 0x00004000 |
| #define PAS_DMA_RXINT_RCMDSTA_TB 0x00008000 |
| #define PAS_DMA_RXINT_RCMDSTA_ACT 0x00010000 |
| #define PAS_DMA_RXINT_RCMDSTA_DROPS_M 0xfffe0000 |
| #define PAS_DMA_RXINT_RCMDSTA_DROPS_S 17 |
| #define PAS_DMA_RXINT_CFG(i) (0x204+(i)*_PAS_DMA_RXINT_STRIDE) |
| #define PAS_DMA_RXINT_CFG_RBP 0x80000000 |
| #define PAS_DMA_RXINT_CFG_ITRR 0x40000000 |
| #define PAS_DMA_RXINT_CFG_DHL_M 0x07000000 |
| #define PAS_DMA_RXINT_CFG_DHL_S 24 |
| #define PAS_DMA_RXINT_CFG_DHL(x) (((x) << PAS_DMA_RXINT_CFG_DHL_S) & \ |
| PAS_DMA_RXINT_CFG_DHL_M) |
| #define PAS_DMA_RXINT_CFG_ITR 0x00400000 |
| #define PAS_DMA_RXINT_CFG_LW 0x00200000 |
| #define PAS_DMA_RXINT_CFG_L2 0x00100000 |
| #define PAS_DMA_RXINT_CFG_HEN 0x00080000 |
| #define PAS_DMA_RXINT_CFG_WIF 0x00000002 |
| #define PAS_DMA_RXINT_CFG_WIL 0x00000001 |
| |
| #define PAS_DMA_RXINT_INCR(i) (0x210+(i)*_PAS_DMA_RXINT_STRIDE) |
| #define PAS_DMA_RXINT_INCR_INCR_M 0x0000ffff |
| #define PAS_DMA_RXINT_INCR_INCR_S 0 |
| #define PAS_DMA_RXINT_INCR_INCR(x) ((x) & 0x0000ffff) |
| #define PAS_DMA_RXINT_BASEL(i) (0x218+(i)*_PAS_DMA_RXINT_STRIDE) |
| #define PAS_DMA_RXINT_BASEL_BRBL(x) ((x) & ~0x3f) |
| #define PAS_DMA_RXINT_BASEU(i) (0x21c+(i)*_PAS_DMA_RXINT_STRIDE) |
| #define PAS_DMA_RXINT_BASEU_BRBH(x) ((x) & 0xfff) |
| #define PAS_DMA_RXINT_BASEU_SIZ_M 0x3fff0000 /* # of cache lines worth of buffer ring */ |
| #define PAS_DMA_RXINT_BASEU_SIZ_S 16 /* 0 = 16K */ |
| #define PAS_DMA_RXINT_BASEU_SIZ(x) (((x) << PAS_DMA_RXINT_BASEU_SIZ_S) & \ |
| PAS_DMA_RXINT_BASEU_SIZ_M) |
| |
| |
| #define _PAS_DMA_TXCHAN_STRIDE 0x20 /* Size per channel */ |
| #define _PAS_DMA_TXCHAN_TCMDSTA 0x300 /* Command / Status */ |
| #define _PAS_DMA_TXCHAN_CFG 0x304 /* Configuration */ |
| #define _PAS_DMA_TXCHAN_DSCRBU 0x308 /* Descriptor BU Allocation */ |
| #define _PAS_DMA_TXCHAN_INCR 0x310 /* Descriptor increment */ |
| #define _PAS_DMA_TXCHAN_CNT 0x314 /* Descriptor count/offset */ |
| #define _PAS_DMA_TXCHAN_BASEL 0x318 /* Descriptor ring base (low) */ |
| #define _PAS_DMA_TXCHAN_BASEU 0x31c /* (high) */ |
| #define PAS_DMA_TXCHAN_TCMDSTA(c) (0x300+(c)*_PAS_DMA_TXCHAN_STRIDE) |
| #define PAS_DMA_TXCHAN_TCMDSTA_EN 0x00000001 /* Enabled */ |
| #define PAS_DMA_TXCHAN_TCMDSTA_ST 0x00000002 /* Stop interface */ |
| #define PAS_DMA_TXCHAN_TCMDSTA_ACT 0x00010000 /* Active */ |
| #define PAS_DMA_TXCHAN_TCMDSTA_SZ 0x00000800 |
| #define PAS_DMA_TXCHAN_TCMDSTA_DB 0x00000400 |
| #define PAS_DMA_TXCHAN_TCMDSTA_DE 0x00000200 |
| #define PAS_DMA_TXCHAN_TCMDSTA_DA 0x00000100 |
| #define PAS_DMA_TXCHAN_CFG(c) (0x304+(c)*_PAS_DMA_TXCHAN_STRIDE) |
| #define PAS_DMA_TXCHAN_CFG_TY_IFACE 0x00000000 /* Type = interface */ |
| #define PAS_DMA_TXCHAN_CFG_TY_COPY 0x00000001 /* Type = copy only */ |
| #define PAS_DMA_TXCHAN_CFG_TY_FUNC 0x00000002 /* Type = function */ |
| #define PAS_DMA_TXCHAN_CFG_TY_XOR 0x00000003 /* Type = xor only */ |
| #define PAS_DMA_TXCHAN_CFG_TATTR_M 0x0000003c |
| #define PAS_DMA_TXCHAN_CFG_TATTR_S 2 |
| #define PAS_DMA_TXCHAN_CFG_TATTR(x) (((x) << PAS_DMA_TXCHAN_CFG_TATTR_S) & \ |
| PAS_DMA_TXCHAN_CFG_TATTR_M) |
| #define PAS_DMA_TXCHAN_CFG_LPDQ 0x00000800 |
| #define PAS_DMA_TXCHAN_CFG_LPSQ 0x00000400 |
| #define PAS_DMA_TXCHAN_CFG_WT_M 0x000003c0 |
| #define PAS_DMA_TXCHAN_CFG_WT_S 6 |
| #define PAS_DMA_TXCHAN_CFG_WT(x) (((x) << PAS_DMA_TXCHAN_CFG_WT_S) & \ |
| PAS_DMA_TXCHAN_CFG_WT_M) |
| #define PAS_DMA_TXCHAN_CFG_TRD 0x00010000 /* translate data */ |
| #define PAS_DMA_TXCHAN_CFG_TRR 0x00008000 /* translate rings */ |
| #define PAS_DMA_TXCHAN_CFG_UP 0x00004000 /* update tx descr when sent */ |
| #define PAS_DMA_TXCHAN_CFG_CL 0x00002000 /* Clean last line */ |
| #define PAS_DMA_TXCHAN_CFG_CF 0x00001000 /* Clean first line */ |
| #define PAS_DMA_TXCHAN_INCR(c) (0x310+(c)*_PAS_DMA_TXCHAN_STRIDE) |
| #define PAS_DMA_TXCHAN_BASEL(c) (0x318+(c)*_PAS_DMA_TXCHAN_STRIDE) |
| #define PAS_DMA_TXCHAN_BASEL_BRBL_M 0xffffffc0 |
| #define PAS_DMA_TXCHAN_BASEL_BRBL_S 0 |
| #define PAS_DMA_TXCHAN_BASEL_BRBL(x) (((x) << PAS_DMA_TXCHAN_BASEL_BRBL_S) & \ |
| PAS_DMA_TXCHAN_BASEL_BRBL_M) |
| #define PAS_DMA_TXCHAN_BASEU(c) (0x31c+(c)*_PAS_DMA_TXCHAN_STRIDE) |
| #define PAS_DMA_TXCHAN_BASEU_BRBH_M 0x00000fff |
| #define PAS_DMA_TXCHAN_BASEU_BRBH_S 0 |
| #define PAS_DMA_TXCHAN_BASEU_BRBH(x) (((x) << PAS_DMA_TXCHAN_BASEU_BRBH_S) & \ |
| PAS_DMA_TXCHAN_BASEU_BRBH_M) |
| /* # of cache lines worth of buffer ring */ |
| #define PAS_DMA_TXCHAN_BASEU_SIZ_M 0x3fff0000 |
| #define PAS_DMA_TXCHAN_BASEU_SIZ_S 16 /* 0 = 16K */ |
| #define PAS_DMA_TXCHAN_BASEU_SIZ(x) (((x) << PAS_DMA_TXCHAN_BASEU_SIZ_S) & \ |
| PAS_DMA_TXCHAN_BASEU_SIZ_M) |
| |
| #define _PAS_DMA_RXCHAN_STRIDE 0x20 /* Size per channel */ |
| #define _PAS_DMA_RXCHAN_CCMDSTA 0x800 /* Command / Status */ |
| #define _PAS_DMA_RXCHAN_CFG 0x804 /* Configuration */ |
| #define _PAS_DMA_RXCHAN_INCR 0x810 /* Descriptor increment */ |
| #define _PAS_DMA_RXCHAN_CNT 0x814 /* Descriptor count/offset */ |
| #define _PAS_DMA_RXCHAN_BASEL 0x818 /* Descriptor ring base (low) */ |
| #define _PAS_DMA_RXCHAN_BASEU 0x81c /* (high) */ |
| #define PAS_DMA_RXCHAN_CCMDSTA(c) (0x800+(c)*_PAS_DMA_RXCHAN_STRIDE) |
| #define PAS_DMA_RXCHAN_CCMDSTA_EN 0x00000001 /* Enabled */ |
| #define PAS_DMA_RXCHAN_CCMDSTA_ST 0x00000002 /* Stop interface */ |
| #define PAS_DMA_RXCHAN_CCMDSTA_ACT 0x00010000 /* Active */ |
| #define PAS_DMA_RXCHAN_CCMDSTA_DU 0x00020000 |
| #define PAS_DMA_RXCHAN_CCMDSTA_OD 0x00002000 |
| #define PAS_DMA_RXCHAN_CCMDSTA_FD 0x00001000 |
| #define PAS_DMA_RXCHAN_CCMDSTA_DT 0x00000800 |
| #define PAS_DMA_RXCHAN_CFG(c) (0x804+(c)*_PAS_DMA_RXCHAN_STRIDE) |
| #define PAS_DMA_RXCHAN_CFG_CTR 0x00000400 |
| #define PAS_DMA_RXCHAN_CFG_HBU_M 0x00000380 |
| #define PAS_DMA_RXCHAN_CFG_HBU_S 7 |
| #define PAS_DMA_RXCHAN_CFG_HBU(x) (((x) << PAS_DMA_RXCHAN_CFG_HBU_S) & \ |
| PAS_DMA_RXCHAN_CFG_HBU_M) |
| #define PAS_DMA_RXCHAN_INCR(c) (0x810+(c)*_PAS_DMA_RXCHAN_STRIDE) |
| #define PAS_DMA_RXCHAN_BASEL(c) (0x818+(c)*_PAS_DMA_RXCHAN_STRIDE) |
| #define PAS_DMA_RXCHAN_BASEL_BRBL_M 0xffffffc0 |
| #define PAS_DMA_RXCHAN_BASEL_BRBL_S 0 |
| #define PAS_DMA_RXCHAN_BASEL_BRBL(x) (((x) << PAS_DMA_RXCHAN_BASEL_BRBL_S) & \ |
| PAS_DMA_RXCHAN_BASEL_BRBL_M) |
| #define PAS_DMA_RXCHAN_BASEU(c) (0x81c+(c)*_PAS_DMA_RXCHAN_STRIDE) |
| #define PAS_DMA_RXCHAN_BASEU_BRBH_M 0x00000fff |
| #define PAS_DMA_RXCHAN_BASEU_BRBH_S 0 |
| #define PAS_DMA_RXCHAN_BASEU_BRBH(x) (((x) << PAS_DMA_RXCHAN_BASEU_BRBH_S) & \ |
| PAS_DMA_RXCHAN_BASEU_BRBH_M) |
| /* # of cache lines worth of buffer ring */ |
| #define PAS_DMA_RXCHAN_BASEU_SIZ_M 0x3fff0000 |
| #define PAS_DMA_RXCHAN_BASEU_SIZ_S 16 /* 0 = 16K */ |
| #define PAS_DMA_RXCHAN_BASEU_SIZ(x) (((x) << PAS_DMA_RXCHAN_BASEU_SIZ_S) & \ |
| PAS_DMA_RXCHAN_BASEU_SIZ_M) |
| |
| #define PAS_STATUS_PCNT_M 0x000000000000ffffull |
| #define PAS_STATUS_PCNT_S 0 |
| #define PAS_STATUS_DCNT_M 0x00000000ffff0000ull |
| #define PAS_STATUS_DCNT_S 16 |
| #define PAS_STATUS_BPCNT_M 0x0000ffff00000000ull |
| #define PAS_STATUS_BPCNT_S 32 |
| #define PAS_STATUS_CAUSE_M 0xf000000000000000ull |
| #define PAS_STATUS_TIMER 0x1000000000000000ull |
| #define PAS_STATUS_ERROR 0x2000000000000000ull |
| #define PAS_STATUS_SOFT 0x4000000000000000ull |
| #define PAS_STATUS_INT 0x8000000000000000ull |
| |
| #define PAS_IOB_COM_PKTHDRCNT 0x120 |
| #define PAS_IOB_COM_PKTHDRCNT_PKTHDR1_M 0x0fff0000 |
| #define PAS_IOB_COM_PKTHDRCNT_PKTHDR1_S 16 |
| #define PAS_IOB_COM_PKTHDRCNT_PKTHDR0_M 0x00000fff |
| #define PAS_IOB_COM_PKTHDRCNT_PKTHDR0_S 0 |
| |
| #define PAS_IOB_DMA_RXCH_CFG(i) (0x1100 + (i)*4) |
| #define PAS_IOB_DMA_RXCH_CFG_CNTTH_M 0x00000fff |
| #define PAS_IOB_DMA_RXCH_CFG_CNTTH_S 0 |
| #define PAS_IOB_DMA_RXCH_CFG_CNTTH(x) (((x) << PAS_IOB_DMA_RXCH_CFG_CNTTH_S) & \ |
| PAS_IOB_DMA_RXCH_CFG_CNTTH_M) |
| #define PAS_IOB_DMA_TXCH_CFG(i) (0x1200 + (i)*4) |
| #define PAS_IOB_DMA_TXCH_CFG_CNTTH_M 0x00000fff |
| #define PAS_IOB_DMA_TXCH_CFG_CNTTH_S 0 |
| #define PAS_IOB_DMA_TXCH_CFG_CNTTH(x) (((x) << PAS_IOB_DMA_TXCH_CFG_CNTTH_S) & \ |
| PAS_IOB_DMA_TXCH_CFG_CNTTH_M) |
| #define PAS_IOB_DMA_RXCH_STAT(i) (0x1300 + (i)*4) |
| #define PAS_IOB_DMA_RXCH_STAT_INTGEN 0x00001000 |
| #define PAS_IOB_DMA_RXCH_STAT_CNTDEL_M 0x00000fff |
| #define PAS_IOB_DMA_RXCH_STAT_CNTDEL_S 0 |
| #define PAS_IOB_DMA_RXCH_STAT_CNTDEL(x) (((x) << PAS_IOB_DMA_RXCH_STAT_CNTDEL_S) &\ |
| PAS_IOB_DMA_RXCH_STAT_CNTDEL_M) |
| #define PAS_IOB_DMA_TXCH_STAT(i) (0x1400 + (i)*4) |
| #define PAS_IOB_DMA_TXCH_STAT_INTGEN 0x00001000 |
| #define PAS_IOB_DMA_TXCH_STAT_CNTDEL_M 0x00000fff |
| #define PAS_IOB_DMA_TXCH_STAT_CNTDEL_S 0 |
| #define PAS_IOB_DMA_TXCH_STAT_CNTDEL(x) (((x) << PAS_IOB_DMA_TXCH_STAT_CNTDEL_S) &\ |
| PAS_IOB_DMA_TXCH_STAT_CNTDEL_M) |
| #define PAS_IOB_DMA_RXCH_RESET(i) (0x1500 + (i)*4) |
| #define PAS_IOB_DMA_RXCH_RESET_PCNT_M 0xffff0000 |
| #define PAS_IOB_DMA_RXCH_RESET_PCNT_S 16 |
| #define PAS_IOB_DMA_RXCH_RESET_PCNT(x) (((x) << PAS_IOB_DMA_RXCH_RESET_PCNT_S) & \ |
| PAS_IOB_DMA_RXCH_RESET_PCNT_M) |
| #define PAS_IOB_DMA_RXCH_RESET_PCNTRST 0x00000020 |
| #define PAS_IOB_DMA_RXCH_RESET_DCNTRST 0x00000010 |
| #define PAS_IOB_DMA_RXCH_RESET_TINTC 0x00000008 |
| #define PAS_IOB_DMA_RXCH_RESET_DINTC 0x00000004 |
| #define PAS_IOB_DMA_RXCH_RESET_SINTC 0x00000002 |
| #define PAS_IOB_DMA_RXCH_RESET_PINTC 0x00000001 |
| #define PAS_IOB_DMA_TXCH_RESET(i) (0x1600 + (i)*4) |
| #define PAS_IOB_DMA_TXCH_RESET_PCNT_M 0xffff0000 |
| #define PAS_IOB_DMA_TXCH_RESET_PCNT_S 16 |
| #define PAS_IOB_DMA_TXCH_RESET_PCNT(x) (((x) << PAS_IOB_DMA_TXCH_RESET_PCNT_S) & \ |
| PAS_IOB_DMA_TXCH_RESET_PCNT_M) |
| #define PAS_IOB_DMA_TXCH_RESET_PCNTRST 0x00000020 |
| #define PAS_IOB_DMA_TXCH_RESET_DCNTRST 0x00000010 |
| #define PAS_IOB_DMA_TXCH_RESET_TINTC 0x00000008 |
| #define PAS_IOB_DMA_TXCH_RESET_DINTC 0x00000004 |
| #define PAS_IOB_DMA_TXCH_RESET_SINTC 0x00000002 |
| #define PAS_IOB_DMA_TXCH_RESET_PINTC 0x00000001 |
| |
| #define PAS_IOB_DMA_COM_TIMEOUTCFG 0x1700 |
| #define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_M 0x00ffffff |
| #define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_S 0 |
| #define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(x) (((x) << PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_S) & \ |
| PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_M) |
| |
| /* Transmit descriptor fields */ |
| #define XCT_MACTX_T 0x8000000000000000ull |
| #define XCT_MACTX_ST 0x4000000000000000ull |
| #define XCT_MACTX_NORES 0x0000000000000000ull |
| #define XCT_MACTX_8BRES 0x1000000000000000ull |
| #define XCT_MACTX_24BRES 0x2000000000000000ull |
| #define XCT_MACTX_40BRES 0x3000000000000000ull |
| #define XCT_MACTX_I 0x0800000000000000ull |
| #define XCT_MACTX_O 0x0400000000000000ull |
| #define XCT_MACTX_E 0x0200000000000000ull |
| #define XCT_MACTX_VLAN_M 0x0180000000000000ull |
| #define XCT_MACTX_VLAN_NOP 0x0000000000000000ull |
| #define XCT_MACTX_VLAN_REMOVE 0x0080000000000000ull |
| #define XCT_MACTX_VLAN_INSERT 0x0100000000000000ull |
| #define XCT_MACTX_VLAN_REPLACE 0x0180000000000000ull |
| #define XCT_MACTX_CRC_M 0x0060000000000000ull |
| #define XCT_MACTX_CRC_NOP 0x0000000000000000ull |
| #define XCT_MACTX_CRC_INSERT 0x0020000000000000ull |
| #define XCT_MACTX_CRC_PAD 0x0040000000000000ull |
| #define XCT_MACTX_CRC_REPLACE 0x0060000000000000ull |
| #define XCT_MACTX_SS 0x0010000000000000ull |
| #define XCT_MACTX_LLEN_M 0x00007fff00000000ull |
| #define XCT_MACTX_LLEN_S 32ull |
| #define XCT_MACTX_LLEN(x) ((((long)(x)) << XCT_MACTX_LLEN_S) & \ |
| XCT_MACTX_LLEN_M) |
| #define XCT_MACTX_IPH_M 0x00000000f8000000ull |
| #define XCT_MACTX_IPH_S 27ull |
| #define XCT_MACTX_IPH(x) ((((long)(x)) << XCT_MACTX_IPH_S) & \ |
| XCT_MACTX_IPH_M) |
| #define XCT_MACTX_IPO_M 0x0000000007c00000ull |
| #define XCT_MACTX_IPO_S 22ull |
| #define XCT_MACTX_IPO(x) ((((long)(x)) << XCT_MACTX_IPO_S) & \ |
| XCT_MACTX_IPO_M) |
| #define XCT_MACTX_CSUM_M 0x0000000000000060ull |
| #define XCT_MACTX_CSUM_NOP 0x0000000000000000ull |
| #define XCT_MACTX_CSUM_TCP 0x0000000000000040ull |
| #define XCT_MACTX_CSUM_UDP 0x0000000000000060ull |
| #define XCT_MACTX_V6 0x0000000000000010ull |
| #define XCT_MACTX_C 0x0000000000000004ull |
| #define XCT_MACTX_AL2 0x0000000000000002ull |
| |
| /* Receive descriptor fields */ |
| #define XCT_MACRX_T 0x8000000000000000ull |
| #define XCT_MACRX_ST 0x4000000000000000ull |
| #define XCT_MACRX_RR_M 0x3000000000000000ull |
| #define XCT_MACRX_RR_NORES 0x0000000000000000ull |
| #define XCT_MACRX_RR_8BRES 0x1000000000000000ull |
| #define XCT_MACRX_O 0x0400000000000000ull |
| #define XCT_MACRX_E 0x0200000000000000ull |
| #define XCT_MACRX_FF 0x0100000000000000ull |
| #define XCT_MACRX_PF 0x0080000000000000ull |
| #define XCT_MACRX_OB 0x0040000000000000ull |
| #define XCT_MACRX_OD 0x0020000000000000ull |
| #define XCT_MACRX_FS 0x0010000000000000ull |
| #define XCT_MACRX_NB_M 0x000fc00000000000ull |
| #define XCT_MACRX_NB_S 46ULL |
| #define XCT_MACRX_NB(x) ((((long)(x)) << XCT_MACRX_NB_S) & \ |
| XCT_MACRX_NB_M) |
| #define XCT_MACRX_LLEN_M 0x00003fff00000000ull |
| #define XCT_MACRX_LLEN_S 32ULL |
| #define XCT_MACRX_LLEN(x) ((((long)(x)) << XCT_MACRX_LLEN_S) & \ |
| XCT_MACRX_LLEN_M) |
| #define XCT_MACRX_CRC 0x0000000080000000ull |
| #define XCT_MACRX_LEN_M 0x0000000060000000ull |
| #define XCT_MACRX_LEN_TOOSHORT 0x0000000020000000ull |
| #define XCT_MACRX_LEN_BELOWMIN 0x0000000040000000ull |
| #define XCT_MACRX_LEN_TRUNC 0x0000000060000000ull |
| #define XCT_MACRX_CAST_M 0x0000000018000000ull |
| #define XCT_MACRX_CAST_UNI 0x0000000000000000ull |
| #define XCT_MACRX_CAST_MULTI 0x0000000008000000ull |
| #define XCT_MACRX_CAST_BROAD 0x0000000010000000ull |
| #define XCT_MACRX_CAST_PAUSE 0x0000000018000000ull |
| #define XCT_MACRX_VLC_M 0x0000000006000000ull |
| #define XCT_MACRX_FM 0x0000000001000000ull |
| #define XCT_MACRX_HTY_M 0x0000000000c00000ull |
| #define XCT_MACRX_HTY_IPV4_OK 0x0000000000000000ull |
| #define XCT_MACRX_HTY_IPV6 0x0000000000400000ull |
| #define XCT_MACRX_HTY_IPV4_BAD 0x0000000000800000ull |
| #define XCT_MACRX_HTY_NONIP 0x0000000000c00000ull |
| #define XCT_MACRX_IPP_M 0x00000000003f0000ull |
| #define XCT_MACRX_IPP_S 16 |
| #define XCT_MACRX_CSUM_M 0x000000000000ffffull |
| #define XCT_MACRX_CSUM_S 0 |
| |
| #define XCT_PTR_T 0x8000000000000000ull |
| #define XCT_PTR_LEN_M 0x7ffff00000000000ull |
| #define XCT_PTR_LEN_S 44 |
| #define XCT_PTR_LEN(x) ((((long)(x)) << XCT_PTR_LEN_S) & \ |
| XCT_PTR_LEN_M) |
| #define XCT_PTR_ADDR_M 0x00000fffffffffffull |
| #define XCT_PTR_ADDR_S 0 |
| #define XCT_PTR_ADDR(x) ((((long)(x)) << XCT_PTR_ADDR_S) & \ |
| XCT_PTR_ADDR_M) |
| |
| /* Receive interface 8byte result fields */ |
| #define XCT_RXRES_8B_L4O_M 0xff00000000000000ull |
| #define XCT_RXRES_8B_L4O_S 56 |
| #define XCT_RXRES_8B_RULE_M 0x00ffff0000000000ull |
| #define XCT_RXRES_8B_RULE_S 40 |
| #define XCT_RXRES_8B_EVAL_M 0x000000ffff000000ull |
| #define XCT_RXRES_8B_EVAL_S 24 |
| #define XCT_RXRES_8B_HTYPE_M 0x0000000000f00000ull |
| #define XCT_RXRES_8B_HASH_M 0x00000000000fffffull |
| #define XCT_RXRES_8B_HASH_S 0 |
| |
| /* Receive interface buffer fields */ |
| #define XCT_RXB_LEN_M 0x0ffff00000000000ull |
| #define XCT_RXB_LEN_S 44 |
| #define XCT_RXB_LEN(x) ((((long)(x)) << XCT_RXB_LEN_S) & \ |
| XCT_RXB_LEN_M) |
| #define XCT_RXB_ADDR_M 0x00000fffffffffffull |
| #define XCT_RXB_ADDR_S 0 |
| #define XCT_RXB_ADDR(x) ((((long)(x)) << XCT_RXB_ADDR_S) & \ |
| XCT_RXB_ADDR_M) |
| |
| /* Copy descriptor fields */ |
| #define XCT_COPY_T 0x8000000000000000ull |
| #define XCT_COPY_ST 0x4000000000000000ull |
| #define XCT_COPY_RR_M 0x3000000000000000ull |
| #define XCT_COPY_RR_NORES 0x0000000000000000ull |
| #define XCT_COPY_RR_8BRES 0x1000000000000000ull |
| #define XCT_COPY_RR_24BRES 0x2000000000000000ull |
| #define XCT_COPY_RR_40BRES 0x3000000000000000ull |
| #define XCT_COPY_I 0x0800000000000000ull |
| #define XCT_COPY_O 0x0400000000000000ull |
| #define XCT_COPY_E 0x0200000000000000ull |
| #define XCT_COPY_STY_ZERO 0x01c0000000000000ull |
| #define XCT_COPY_DTY_PREF 0x0038000000000000ull |
| #define XCT_COPY_LLEN_M 0x0007ffff00000000ull |
| #define XCT_COPY_LLEN_S 32 |
| #define XCT_COPY_LLEN(x) ((((long)(x)) << XCT_COPY_LLEN_S) & \ |
| XCT_COPY_LLEN_M) |
| #define XCT_COPY_SE 0x0000000000000001ull |
| |
| /* Function descriptor fields */ |
| #define XCT_FUN_T 0x8000000000000000ull |
| #define XCT_FUN_ST 0x4000000000000000ull |
| #define XCT_FUN_RR_M 0x3000000000000000ull |
| #define XCT_FUN_RR_NORES 0x0000000000000000ull |
| #define XCT_FUN_RR_8BRES 0x1000000000000000ull |
| #define XCT_FUN_RR_24BRES 0x2000000000000000ull |
| #define XCT_FUN_RR_40BRES 0x3000000000000000ull |
| #define XCT_FUN_I 0x0800000000000000ull |
| #define XCT_FUN_O 0x0400000000000000ull |
| #define XCT_FUN_E 0x0200000000000000ull |
| #define XCT_FUN_FUN_M 0x01c0000000000000ull |
| #define XCT_FUN_FUN_S 54 |
| #define XCT_FUN_FUN(x) ((((long)(x)) << XCT_FUN_FUN_S) & XCT_FUN_FUN_M) |
| #define XCT_FUN_CRM_M 0x0038000000000000ull |
| #define XCT_FUN_CRM_NOP 0x0000000000000000ull |
| #define XCT_FUN_CRM_SIG 0x0008000000000000ull |
| #define XCT_FUN_LLEN_M 0x0007ffff00000000ull |
| #define XCT_FUN_LLEN_S 32 |
| #define XCT_FUN_LLEN(x) ((((long)(x)) << XCT_FUN_LLEN_S) & XCT_FUN_LLEN_M) |
| #define XCT_FUN_SHL_M 0x00000000f8000000ull |
| #define XCT_FUN_SHL_S 27 |
| #define XCT_FUN_SHL(x) ((((long)(x)) << XCT_FUN_SHL_S) & XCT_FUN_SHL_M) |
| #define XCT_FUN_CHL_M 0x0000000007c00000ull |
| #define XCT_FUN_HSZ_M 0x00000000003c0000ull |
| #define XCT_FUN_ALG_M 0x0000000000038000ull |
| #define XCT_FUN_HP 0x0000000000004000ull |
| #define XCT_FUN_BCM_M 0x0000000000003800ull |
| #define XCT_FUN_BCP_M 0x0000000000000600ull |
| #define XCT_FUN_SIG_M 0x00000000000001f0ull |
| #define XCT_FUN_SIG_TCP4 0x0000000000000140ull |
| #define XCT_FUN_SIG_TCP6 0x0000000000000150ull |
| #define XCT_FUN_SIG_UDP4 0x0000000000000160ull |
| #define XCT_FUN_SIG_UDP6 0x0000000000000170ull |
| #define XCT_FUN_A 0x0000000000000008ull |
| #define XCT_FUN_C 0x0000000000000004ull |
| #define XCT_FUN_AL2 0x0000000000000002ull |
| #define XCT_FUN_SE 0x0000000000000001ull |
| |
| /* Function descriptor 8byte result fields */ |
| #define XCT_FUNRES_8B_CS_M 0x0000ffff00000000ull |
| #define XCT_FUNRES_8B_CS_S 32 |
| #define XCT_FUNRES_8B_CRC_M 0x00000000ffffffffull |
| #define XCT_FUNRES_8B_CRC_S 0 |
| |
| /* Control descriptor fields */ |
| #define CTRL_CMD_T 0x8000000000000000ull |
| #define CTRL_CMD_META_EVT 0x2000000000000000ull |
| #define CTRL_CMD_O 0x0400000000000000ull |
| #define CTRL_CMD_ETYPE_M 0x0038000000000000ull |
| #define CTRL_CMD_ETYPE_EXT 0x0000000000000000ull |
| #define CTRL_CMD_ETYPE_WSET 0x0020000000000000ull |
| #define CTRL_CMD_ETYPE_WCLR 0x0028000000000000ull |
| #define CTRL_CMD_ETYPE_SET 0x0030000000000000ull |
| #define CTRL_CMD_ETYPE_CLR 0x0038000000000000ull |
| #define CTRL_CMD_REG_M 0x000000000000007full |
| #define CTRL_CMD_REG_S 0 |
| #define CTRL_CMD_REG(x) ((((long)(x)) << CTRL_CMD_REG_S) & \ |
| CTRL_CMD_REG_M) |
| |
| |
| |
| /* Prototypes for the shared DMA functions in the platform code. */ |
| |
| /* DMA TX Channel type. Right now only limitations used are event types 0/1, |
| * for event-triggered DMA transactions. |
| */ |
| |
| enum pasemi_dmachan_type { |
| RXCHAN = 0, /* Any RX chan */ |
| TXCHAN = 1, /* Any TX chan */ |
| TXCHAN_EVT0 = 0x1001, /* TX chan in event class 0 (chan 0-9) */ |
| TXCHAN_EVT1 = 0x2001, /* TX chan in event class 1 (chan 10-19) */ |
| }; |
| |
| struct pasemi_dmachan { |
| int chno; /* Channel number */ |
| enum pasemi_dmachan_type chan_type; /* TX / RX */ |
| u64 *status; /* Ptr to cacheable status */ |
| int irq; /* IRQ used by channel */ |
| unsigned int ring_size; /* size of allocated ring */ |
| dma_addr_t ring_dma; /* DMA address for ring */ |
| u64 *ring_virt; /* Virt address for ring */ |
| void *priv; /* Ptr to start of client struct */ |
| }; |
| |
| /* Read/write the different registers in the I/O Bridge, Ethernet |
| * and DMA Controller |
| */ |
| extern unsigned int pasemi_read_iob_reg(unsigned int reg); |
| extern void pasemi_write_iob_reg(unsigned int reg, unsigned int val); |
| |
| extern unsigned int pasemi_read_mac_reg(int intf, unsigned int reg); |
| extern void pasemi_write_mac_reg(int intf, unsigned int reg, unsigned int val); |
| |
| extern unsigned int pasemi_read_dma_reg(unsigned int reg); |
| extern void pasemi_write_dma_reg(unsigned int reg, unsigned int val); |
| |
| /* Channel management routines */ |
| |
| extern void *pasemi_dma_alloc_chan(enum pasemi_dmachan_type type, |
| int total_size, int offset); |
| extern void pasemi_dma_free_chan(struct pasemi_dmachan *chan); |
| |
| extern void pasemi_dma_start_chan(const struct pasemi_dmachan *chan, |
| const u32 cmdsta); |
| extern int pasemi_dma_stop_chan(const struct pasemi_dmachan *chan); |
| |
| /* Common routines to allocate rings and buffers */ |
| |
| extern int pasemi_dma_alloc_ring(struct pasemi_dmachan *chan, int ring_size); |
| extern void pasemi_dma_free_ring(struct pasemi_dmachan *chan); |
| |
| extern void *pasemi_dma_alloc_buf(struct pasemi_dmachan *chan, int size, |
| dma_addr_t *handle); |
| extern void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size, |
| dma_addr_t *handle); |
| |
| /* Routines to allocate flags (events) for channel synchronization */ |
| extern int pasemi_dma_alloc_flag(void); |
| extern void pasemi_dma_free_flag(int flag); |
| extern void pasemi_dma_set_flag(int flag); |
| extern void pasemi_dma_clear_flag(int flag); |
| |
| /* Routines to allocate function engines */ |
| extern int pasemi_dma_alloc_fun(void); |
| extern void pasemi_dma_free_fun(int fun); |
| |
| /* Initialize the library, must be called before any other functions */ |
| extern int pasemi_dma_init(void); |
| |
| #endif /* ASM_PASEMI_DMA_H */ |
