diff options
Diffstat (limited to 'src/target/mips32_dmaacc.c')
-rw-r--r-- | src/target/mips32_dmaacc.c | 172 |
1 files changed, 96 insertions, 76 deletions
diff --git a/src/target/mips32_dmaacc.c b/src/target/mips32_dmaacc.c index ddcfb97d..6440f948 100644 --- a/src/target/mips32_dmaacc.c +++ b/src/target/mips32_dmaacc.c @@ -45,40 +45,42 @@ static int ejtag_dma_read(mips_ejtag_t *ejtag_info, u32 addr, u32 *data) { u32 v; u32 ejtag_ctrl; - int retries = RETRY_ATTEMPTS; + int retries = RETRY_ATTEMPTS; begin_ejtag_dma_read: - // Setup Address + /* Setup Address */ v = addr; mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL); mips_ejtag_drscan_32(ejtag_info, &v); - // Initiate DMA Read & set DSTRT + /* Initiate DMA Read & set DSTRT */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL); ejtag_ctrl = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DRWN | EJTAG_CTRL_DMA_WORD | EJTAG_CTRL_DSTRT | ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); - // Wait for DSTRT to Clear + /* Wait for DSTRT to Clear */ do { ejtag_ctrl = EJTAG_CTRL_DMAACC | ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); } while(ejtag_ctrl & EJTAG_CTRL_DSTRT); - // Read Data + /* Read Data */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL); mips_ejtag_drscan_32(ejtag_info, data); - // Clear DMA & Check DERR + /* Clear DMA & Check DERR */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL); ejtag_ctrl = ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); if (ejtag_ctrl & EJTAG_CTRL_DERR) { if (retries--) { - printf("DMA Read Addr = %08x Data = ERROR ON READ (retrying)\n", addr); + LOG_ERROR("DMA Read Addr = %08x Data = ERROR ON READ (retrying)\n", addr); goto begin_ejtag_dma_read; - } else printf("DMA Read Addr = %08x Data = ERROR ON READ\n", addr); + } + else + LOG_ERROR("DMA Read Addr = %08x Data = ERROR ON READ\n", addr); return ERROR_JTAG_DEVICE_ERROR; } @@ -89,46 +91,50 @@ static int ejtag_dma_read_h(mips_ejtag_t *ejtag_info, u32 addr, u16 *data) { u32 v; u32 ejtag_ctrl; - int retries = RETRY_ATTEMPTS; + int retries = RETRY_ATTEMPTS; begin_ejtag_dma_read_h: - // Setup Address + /* Setup Address */ v = addr; mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL); mips_ejtag_drscan_32(ejtag_info, &v); - // Initiate DMA Read & set DSTRT + /* Initiate DMA Read & set DSTRT */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL); ejtag_ctrl = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DRWN | EJTAG_CTRL_DMA_HALFWORD | EJTAG_CTRL_DSTRT | ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); - // Wait for DSTRT to Clear + /* Wait for DSTRT to Clear */ do { ejtag_ctrl = EJTAG_CTRL_DMAACC | ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); } while(ejtag_ctrl & EJTAG_CTRL_DSTRT); - // Read Data + /* Read Data */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL); mips_ejtag_drscan_32(ejtag_info, &v); - // Clear DMA & Check DERR + /* Clear DMA & Check DERR */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL); ejtag_ctrl = ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); if (ejtag_ctrl & EJTAG_CTRL_DERR) { if (retries--) { - printf("DMA Read Addr = %08x Data = ERROR ON READ (retrying)\n", addr); + LOG_ERROR("DMA Read Addr = %08x Data = ERROR ON READ (retrying)\n", addr); goto begin_ejtag_dma_read_h; - } else printf("DMA Read Addr = %08x Data = ERROR ON READ\n", addr); + } + else + LOG_ERROR("DMA Read Addr = %08x Data = ERROR ON READ\n", addr); return ERROR_JTAG_DEVICE_ERROR; } - // Handle the bigendian/littleendian - if ( addr & 0x2 ) *data = (v>>16)&0xffff ; - else *data = (v&0x0000ffff) ; + /* Handle the bigendian/littleendian */ + if (addr & 0x2) + *data = (v >> 16) & 0xffff; + else + *data = (v & 0x0000ffff); return ERROR_OK; } @@ -137,49 +143,59 @@ static int ejtag_dma_read_b(mips_ejtag_t *ejtag_info, u32 addr, u8 *data) { u32 v; u32 ejtag_ctrl; - int retries = RETRY_ATTEMPTS; + int retries = RETRY_ATTEMPTS; begin_ejtag_dma_read_b: - // Setup Address + /* Setup Address */ v = addr; mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL); mips_ejtag_drscan_32(ejtag_info, &v); - // Initiate DMA Read & set DSTRT + /* Initiate DMA Read & set DSTRT */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL); ejtag_ctrl = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DRWN | EJTAG_CTRL_DMA_BYTE | EJTAG_CTRL_DSTRT | ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); - // Wait for DSTRT to Clear + /* Wait for DSTRT to Clear */ do { ejtag_ctrl = EJTAG_CTRL_DMAACC | ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); } while(ejtag_ctrl & EJTAG_CTRL_DSTRT); - // Read Data + /* Read Data */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL); mips_ejtag_drscan_32(ejtag_info, &v); - // Clear DMA & Check DERR + /* Clear DMA & Check DERR */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL); ejtag_ctrl = ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); if (ejtag_ctrl & EJTAG_CTRL_DERR) { if (retries--) { - printf("DMA Read Addr = %08x Data = ERROR ON READ (retrying)\n", addr); + LOG_ERROR("DMA Read Addr = %08x Data = ERROR ON READ (retrying)\n", addr); goto begin_ejtag_dma_read_b; - } else printf("DMA Read Addr = %08x Data = ERROR ON READ\n", addr); + } + else + LOG_ERROR("DMA Read Addr = %08x Data = ERROR ON READ\n", addr); return ERROR_JTAG_DEVICE_ERROR; } // Handle the bigendian/littleendian - switch(addr & 0x3) { - case 0: *data = v & 0xff; break; - case 1: *data = (v>>8) & 0xff; break; - case 2: *data = (v>>16) & 0xff; break; - case 3: *data = (v>>24) & 0xff; break; + switch (addr & 0x3) { + case 0: + *data = v & 0xff; + break; + case 1: + *data = (v >> 8) & 0xff; + break; + case 2: + *data = (v >> 16) & 0xff; + break; + case 3: + *data = (v >> 24) & 0xff; + break; } return ERROR_OK; @@ -189,41 +205,43 @@ static int ejtag_dma_write(mips_ejtag_t *ejtag_info, u32 addr, u32 data) { u32 v; u32 ejtag_ctrl; - int retries = RETRY_ATTEMPTS; + int retries = RETRY_ATTEMPTS; begin_ejtag_dma_write: - // Setup Address + /* Setup Address */ v = addr; mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL); mips_ejtag_drscan_32(ejtag_info, &v); - // Setup Data + /* Setup Data */ v = data; mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL); mips_ejtag_drscan_32(ejtag_info, &v); - // Initiate DMA Write & set DSTRT + /* Initiate DMA Write & set DSTRT */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL); ejtag_ctrl = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DMA_WORD | EJTAG_CTRL_DSTRT | ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); - // Wait for DSTRT to Clear + /* Wait for DSTRT to Clear */ do { ejtag_ctrl = EJTAG_CTRL_DMAACC | ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); } while(ejtag_ctrl & EJTAG_CTRL_DSTRT); - // Clear DMA & Check DERR + /* Clear DMA & Check DERR */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL); ejtag_ctrl = ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); if (ejtag_ctrl & EJTAG_CTRL_DERR) { if (retries--) { - printf("DMA Write Addr = %08x Data = ERROR ON WRITE (retrying)\n", addr); + LOG_ERROR("DMA Write Addr = %08x Data = ERROR ON WRITE (retrying)\n", addr); goto begin_ejtag_dma_write; - } else printf("DMA Write Addr = %08x Data = ERROR ON WRITE\n", addr); + } + else + LOG_ERROR("DMA Write Addr = %08x Data = ERROR ON WRITE\n", addr); return ERROR_JTAG_DEVICE_ERROR; } @@ -234,46 +252,47 @@ static int ejtag_dma_write_h(mips_ejtag_t *ejtag_info, u32 addr, u32 data) { u32 v; u32 ejtag_ctrl; - int retries = RETRY_ATTEMPTS; - + int retries = RETRY_ATTEMPTS; - // Handle the bigendian/littleendian + /* Handle the bigendian/littleendian */ data &= 0xffff; - data |= data<<16; + data |= data << 16; begin_ejtag_dma_write_h: - // Setup Address + /* Setup Address */ v = addr; mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL); mips_ejtag_drscan_32(ejtag_info, &v); - // Setup Data + /* Setup Data */ v = data; mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL); mips_ejtag_drscan_32(ejtag_info, &v); - // Initiate DMA Write & set DSTRT + /* Initiate DMA Write & set DSTRT */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL); ejtag_ctrl = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DMA_HALFWORD | EJTAG_CTRL_DSTRT | ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); - // Wait for DSTRT to Clear + /* Wait for DSTRT to Clear */ do { ejtag_ctrl = EJTAG_CTRL_DMAACC | ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); } while(ejtag_ctrl & EJTAG_CTRL_DSTRT); - // Clear DMA & Check DERR + /* Clear DMA & Check DERR */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL); ejtag_ctrl = ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); if (ejtag_ctrl & EJTAG_CTRL_DERR) { if (retries--) { - printf("DMA Write Addr = %08x Data = ERROR ON WRITE (retrying)\n", addr); + LOG_ERROR("DMA Write Addr = %08x Data = ERROR ON WRITE (retrying)\n", addr); goto begin_ejtag_dma_write_h; - } else printf("DMA Write Addr = %08x Data = ERROR ON WRITE\n", addr); + } + else + LOG_ERROR("DMA Write Addr = %08x Data = ERROR ON WRITE\n", addr); return ERROR_JTAG_DEVICE_ERROR; } @@ -284,47 +303,48 @@ static int ejtag_dma_write_b(mips_ejtag_t *ejtag_info, u32 addr, u32 data) { u32 v; u32 ejtag_ctrl; - int retries = RETRY_ATTEMPTS; - + int retries = RETRY_ATTEMPTS; - // Handle the bigendian/littleendian + /* Handle the bigendian/littleendian */ data &= 0xff; - data |= data<<8; - data |= data<<16; + data |= data << 8; + data |= data << 16; begin_ejtag_dma_write_b: - // Setup Address + /* Setup Address*/ v = addr; mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL); mips_ejtag_drscan_32(ejtag_info, &v); - // Setup Data + /* Setup Data */ v = data; mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL); mips_ejtag_drscan_32(ejtag_info, &v); - // Initiate DMA Write & set DSTRT + /* Initiate DMA Write & set DSTRT */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL); ejtag_ctrl = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DMA_BYTE | EJTAG_CTRL_DSTRT | ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); - // Wait for DSTRT to Clear + /* Wait for DSTRT to Clear */ do { ejtag_ctrl = EJTAG_CTRL_DMAACC | ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); } while(ejtag_ctrl & EJTAG_CTRL_DSTRT); - // Clear DMA & Check DERR + /* Clear DMA & Check DERR */ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL); ejtag_ctrl = ejtag_info->ejtag_ctrl; mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl); - if (ejtag_ctrl & EJTAG_CTRL_DERR) + if (ejtag_ctrl & EJTAG_CTRL_DERR) { if (retries--) { - printf("DMA Write Addr = %08x Data = ERROR ON WRITE (retrying)\n", addr); + LOG_ERROR("DMA Write Addr = %08x Data = ERROR ON WRITE (retrying)\n", addr); goto begin_ejtag_dma_write_b; - } else printf("DMA Write Addr = %08x Data = ERROR ON WRITE\n", addr); + } + else + LOG_ERROR("DMA Write Addr = %08x Data = ERROR ON WRITE\n", addr); return ERROR_JTAG_DEVICE_ERROR; } @@ -351,8 +371,8 @@ int mips32_dmaacc_read_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 int i; int retval; - for(i=0; i<count; i++) { - if((retval=ejtag_dma_read(ejtag_info, addr+i*sizeof(*buf), &buf[i])) != ERROR_OK) + for (i=0; i<count; i++) { + if ((retval = ejtag_dma_read(ejtag_info, addr+i*sizeof(*buf), &buf[i])) != ERROR_OK) return retval; } @@ -364,8 +384,8 @@ int mips32_dmaacc_read_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 int i; int retval; - for(i=0; i<count; i++) { - if((retval=ejtag_dma_read_h(ejtag_info, addr+i*sizeof(*buf), &buf[i])) != ERROR_OK) + for (i=0; i<count; i++) { + if ((retval = ejtag_dma_read_h(ejtag_info, addr+i*sizeof(*buf), &buf[i])) != ERROR_OK) return retval; } @@ -377,8 +397,8 @@ int mips32_dmaacc_read_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *b int i; int retval; - for(i=0; i<count; i++) { - if((retval=ejtag_dma_read_b(ejtag_info, addr+i*sizeof(*buf), &buf[i])) != ERROR_OK) + for (i=0; i<count; i++) { + if ((retval = ejtag_dma_read_b(ejtag_info, addr+i*sizeof(*buf), &buf[i])) != ERROR_OK) return retval; } @@ -405,8 +425,8 @@ int mips32_dmaacc_write_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 int i; int retval; - for(i=0; i<count; i++) { - if((retval=ejtag_dma_write(ejtag_info, addr+i*sizeof(*buf), buf[i])) != ERROR_OK) + for (i=0; i<count; i++) { + if ((retval = ejtag_dma_write(ejtag_info, addr+i*sizeof(*buf), buf[i])) != ERROR_OK) return retval; } @@ -418,8 +438,8 @@ int mips32_dmaacc_write_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 int i; int retval; - for(i=0; i<count; i++) { - if((retval=ejtag_dma_write_h(ejtag_info, addr+i*sizeof(*buf), buf[i])) != ERROR_OK) + for (i=0; i<count; i++) { + if ((retval = ejtag_dma_write_h(ejtag_info, addr+i*sizeof(*buf), buf[i])) != ERROR_OK) return retval; } @@ -431,8 +451,8 @@ int mips32_dmaacc_write_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 * int i; int retval; - for(i=0; i<count; i++) { - if((retval=ejtag_dma_write_b(ejtag_info, addr+i*sizeof(*buf), buf[i])) != ERROR_OK) + for (i=0; i<count; i++) { + if ((retval = ejtag_dma_write_b(ejtag_info, addr+i*sizeof(*buf), buf[i])) != ERROR_OK) return retval; } |