/* * 440SPe's XOR engines support header file * * 2006-2009 (C) DENX Software Engineering. * * Author: Yuri Tikhonov <yur@emcraft.com> * * This file is licensed under the term of the GNU General Public License * version 2. The program licensed "as is" without any warranty of any * kind, whether express or implied. */ #ifndef _PPC440SPE_XOR_H #define _PPC440SPE_XOR_H #include <linux/types.h> /* Number of XOR engines available on the contoller */ #define XOR_ENGINES_NUM 1 /* Number of operands supported in the h/w */ #define XOR_MAX_OPS 16 /* * XOR Command Block Control Register bits */ #define XOR_CBCR_LNK_BIT (1<<31) /* link present */ #define XOR_CBCR_TGT_BIT (1<<30) /* target present */ #define XOR_CBCR_CBCE_BIT (1<<29) /* command block compete enable */ #define XOR_CBCR_RNZE_BIT (1<<28) /* result not zero enable */ #define XOR_CBCR_XNOR_BIT (1<<15) /* XOR/XNOR */ #define XOR_CDCR_OAC_MSK (0x7F) /* operand address count */ /* * XORCore Status Register bits */ #define XOR_SR_XCP_BIT (1<<31) /* core processing */ #define XOR_SR_ICB_BIT (1<<17) /* invalid CB */ #define XOR_SR_IC_BIT (1<<16) /* invalid command */ #define XOR_SR_IPE_BIT (1<<15) /* internal parity error */ #define XOR_SR_RNZ_BIT (1<<2) /* result not Zero */ #define XOR_SR_CBC_BIT (1<<1) /* CB complete */ #define XOR_SR_CBLC_BIT (1<<0) /* CB list complete */ /* * XORCore Control Set and Reset Register bits */ #define XOR_CRSR_XASR_BIT (1<<31) /* soft reset */ #define XOR_CRSR_XAE_BIT (1<<30) /* enable */ #define XOR_CRSR_RCBE_BIT (1<<29) /* refetch CB enable */ #define XOR_CRSR_PAUS_BIT (1<<28) /* pause */ #define XOR_CRSR_64BA_BIT (1<<27) /* 64/32 CB format */ #define XOR_CRSR_CLP_BIT (1<<25) /* continue list processing */ /* * XORCore Interrupt Enable Register */ #define XOR_IE_ICBIE_BIT (1<<17) /* Invalid Command Block IRQ Enable */ #define XOR_IE_ICIE_BIT (1<<16) /* Invalid Command IRQ Enable */ #define XOR_IE_RPTIE_BIT (1<<14) /* Read PLB Timeout Error IRQ Enable */ #define XOR_IE_CBCIE_BIT (1<<1) /* CB complete interrupt enable */ #define XOR_IE_CBLCI_BIT (1<<0) /* CB list complete interrupt enable */ /* * XOR Accelerator engine Command Block Type */ struct xor_cb { /* * Basic 64-bit format XOR CB (Table 19-1, p.463, 440spe_um_1_22.pdf) */ u32 cbc; /* control */ u32 cbbc; /* byte count */ u32 cbs; /* status */ u8 pad0[4]; /* reserved */ u32 cbtah; /* target address high */ u32 cbtal; /* target address low */ u32 cblah; /* link address high */ u32 cblal; /* link address low */ struct { u32 h; u32 l; } __attribute__ ((packed)) ops[16]; } __attribute__ ((packed)); /* * XOR hardware registers Table 19-3, UM 1.22 */ struct xor_regs { u32 op_ar[16][2]; /* operand address[0]-high,[1]-low registers */ u8 pad0[352]; /* reserved */ u32 cbcr; /* CB control register */ u32 cbbcr; /* CB byte count register */ u32 cbsr; /* CB status register */ u8 pad1[4]; /* reserved */ u32 cbtahr; /* operand target address high register */ u32 cbtalr; /* operand target address low register */ u32 cblahr; /* CB link address high register */ u32 cblalr; /* CB link address low register */ u32 crsr; /* control set register */ u32 crrr; /* control reset register */ u32 ccbahr; /* current CB address high register */ u32 ccbalr; /* current CB address low register */ u32 plbr; /* PLB configuration register */ u32 ier; /* interrupt enable register */ u32 pecr; /* parity error count register */ u32 sr; /* status register */ u32 revidr; /* revision ID register */ }; #endif /* _PPC440SPE_XOR_H */