diff options
Diffstat (limited to 'arch/arm/mach-socfpga/include/mach/cyclone5-scan-manager.h')
| -rw-r--r-- | arch/arm/mach-socfpga/include/mach/cyclone5-scan-manager.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/include/mach/cyclone5-scan-manager.h b/arch/arm/mach-socfpga/include/mach/cyclone5-scan-manager.h new file mode 100644 index 0000000000..df720a7e08 --- /dev/null +++ b/arch/arm/mach-socfpga/include/mach/cyclone5-scan-manager.h @@ -0,0 +1,131 @@ +/* + * Copyright (C) 2012 Altera Corporation <www.altera.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that 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, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _SCAN_MANAGER_H_ +#define _SCAN_MANAGER_H_ + +#include <io.h> +#include <mach/cyclone5-regs.h> + +/*********************************************************** + * * + * Cyclone5 specific stuff. Get rid of this. * + * * + ***********************************************************/ +#define CONFIG_HPS_IOCSR_SCANCHAIN0_LENGTH (764) +#define CONFIG_HPS_IOCSR_SCANCHAIN1_LENGTH (1719) +#define CONFIG_HPS_IOCSR_SCANCHAIN2_LENGTH (955) +#define CONFIG_HPS_IOCSR_SCANCHAIN3_LENGTH (16766) + +typedef unsigned long Scan_mgr_entry_t; + +#define NUM_OF_CHAINS (4) +#define SHIFT_COUNT_32BIT (5) +#define MASK_COUNT_32BIT (0x1F) + +#define SCANMGR_STAT_ADDRESS 0x0 +#define SCANMGR_EN_ADDRESS 0x4 +#define SCANMGR_FIFOSINGLEBYTE_ADDRESS 0x10 +#define SCANMGR_FIFODOUBLEBYTE_ADDRESS 0x14 +#define SCANMGR_FIFOQUADBYTE_ADDRESS 0x1c + +#define SCANMGR_STAT_ACTIVE_GET(x) (((x) & 0x80000000) >> 31) +#define SCANMGR_STAT_WFIFOCNT_GET(x) (((x) & 0x70000000) >> 28) + +enum io_scan_chain { + IO_SCAN_CHAIN_0 = 0, /* EMAC_IO and MIXED2_IO */ + IO_SCAN_CHAIN_1, /* MIXED1_IO and FLASH_IO */ + IO_SCAN_CHAIN_2, /* General IO */ + IO_SCAN_CHAIN_3, /* DDR IO */ + IO_SCAN_CHAIN_UNDEFINED +}; + +#define IO_SCAN_CHAIN_NUM NUM_OF_CHAINS +/* Maximum number of IO scan chains */ + +#define IO_SCAN_CHAIN_128BIT_SHIFT (7) +/* + * Shift count to get number of IO scan chain data in granularity + * of 128-bit ( N / 128 ) + */ + +#define IO_SCAN_CHAIN_128BIT_MASK (0x7F) +/* + * Mask to get residual IO scan chain data in + * granularity of 128-bit ( N mod 128 ) + */ + +#define IO_SCAN_CHAIN_32BIT_SHIFT SHIFT_COUNT_32BIT +/* + * Shift count to get number of IO scan chain + * data in granularity of 32-bit ( N / 32 ) + */ + +#define IO_SCAN_CHAIN_32BIT_MASK MASK_COUNT_32BIT +/* + * Mask to get residual IO scan chain data in + * granularity of 32-bit ( N mod 32 ) + */ + +#define IO_SCAN_CHAIN_BYTE_MASK (0xFF) +/* Byte mask */ + +#define IO_SCAN_CHAIN_PAYLOAD_24BIT (24) +/* 24-bits (3 bytes) IO scan chain payload definition */ + +#define TDI_TDO_MAX_PAYLOAD (127) +/* + * Maximum length of TDI_TDO packet payload is 128 bits, + * represented by (length - 1) in TDI_TDO header + */ + +#define TDI_TDO_HEADER_FIRST_BYTE (0x80) +/* TDI_TDO packet header for IO scan chain program */ + +#define TDI_TDO_HEADER_SECOND_BYTE_SHIFT (8) +/* Position of second command byte for TDI_TDO packet */ + +#define MAX_WAITING_DELAY_IO_SCAN_ENGINE (100) +/* + * Maximum polling loop to wait for IO scan chain engine + * becomes idle to prevent infinite loop + */ + +/* + * scan_mgr_io_scan_chain_prg + * + * Program HPS IO Scan Chain + * + * io_scan_chain_id @ref IOScanChainSelect [in] - IO scan chain ID with + * range of enumIOScanChainSelect * + * io_scan_chain_len_in_bits uint32_t [in] - IO scan chain length in bits + * *iocsr_scan_chain @ref Scan_mgr_entry_t [in] - IO scan chain table + */ +int scan_mgr_io_scan_chain_prg(enum io_scan_chain io_scan_chain_id, + uint32_t io_scan_chain_len_in_bits, + const unsigned long *iocsr_scan_chain); + +struct socfpga_io_config { + unsigned long *pinmux; + unsigned int num_pin; + const unsigned long *iocsr_emac_mixed2; + const unsigned long *iocsr_mixed1_flash; + const unsigned long *iocsr_general; + const unsigned long *iocsr_ddr; +}; + +#endif /* _SCAN_MANAGER_H_ */ |