1 /* 2 * Copyright (C) 2013 Altera Corporation <www.altera.com> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef _SCAN_MANAGER_H_ 8 #define _SCAN_MANAGER_H_ 9 10 struct socfpga_scan_manager { 11 u32 stat; 12 u32 en; 13 u32 padding[2]; 14 u32 fifo_single_byte; 15 u32 fifo_double_byte; 16 u32 fifo_triple_byte; 17 u32 fifo_quad_byte; 18 }; 19 20 /* 21 * Shift count to get number of IO scan chain data in granularity 22 * of 128-bit ( N / 128 ) 23 */ 24 #define IO_SCAN_CHAIN_128BIT_SHIFT 7 25 26 /* 27 * Mask to get residual IO scan chain data in 28 * granularity of 128-bit ( N mod 128 ) 29 */ 30 #define IO_SCAN_CHAIN_128BIT_MASK 0x7F 31 32 /* 33 * Shift count to get number of IO scan chain 34 * data in granularity of 32-bit ( N / 32 ) 35 */ 36 #define IO_SCAN_CHAIN_32BIT_SHIFT 5 37 38 /* 39 * Mask to get residual IO scan chain data in 40 * granularity of 32-bit ( N mod 32 ) 41 */ 42 #define IO_SCAN_CHAIN_32BIT_MASK 0x1F 43 44 /* Byte mask */ 45 #define IO_SCAN_CHAIN_BYTE_MASK 0xFF 46 47 /* 24-bits (3 bytes) IO scan chain payload definition */ 48 #define IO_SCAN_CHAIN_PAYLOAD_24BIT 24 49 50 /* 51 * Maximum length of TDI_TDO packet payload is 128 bits, 52 * represented by (length - 1) in TDI_TDO header 53 */ 54 #define TDI_TDO_MAX_PAYLOAD 127 55 56 /* TDI_TDO packet header for IO scan chain program */ 57 #define TDI_TDO_HEADER_FIRST_BYTE 0x80 58 59 /* Position of second command byte for TDI_TDO packet */ 60 #define TDI_TDO_HEADER_SECOND_BYTE_SHIFT 8 61 62 int scan_mgr_configure_iocsr(void); 63 int iocsr_get_config_table(const unsigned int chain_id, 64 const unsigned long **table, 65 unsigned int *table_len); 66 67 #endif /* _SCAN_MANAGER_H_ */ 68