From 972ca49d3a5e285492e4c1680289f819f26eaec3 Mon Sep 17 00:00:00 2001 From: mlu Date: Thu, 14 Jun 2007 17:33:20 +0000 Subject: Added patch for Luminar Micors Fury class devices (Joe Kroesche) Added support for NVGM bit 2 for AT91SAM7XC128/256 git-svn-id: svn://svn.berlios.de/openocd/trunk@172 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/flash/stellaris.c | 69 +++++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 61 insertions(+), 8 deletions(-) (limited to 'src/flash/stellaris.c') diff --git a/src/flash/stellaris.c b/src/flash/stellaris.c index 68a5179d..ec5dc3a4 100644 --- a/src/flash/stellaris.c +++ b/src/flash/stellaris.c @@ -74,7 +74,7 @@ flash_driver_t stellaris_flash = struct { u32 partno; - char partname[]; + char *partname; } StellarisParts[] = { {0x01,"LM3S101"}, @@ -96,6 +96,33 @@ struct { {0x33,"LM3S812"}, {0x34,"LM3S815"}, {0x35,"LM3S828"}, + {0x51,"LM3S2110"}, + {0x84,"LM3S2139"}, + {0xa2,"LM3S2410"}, + {0x59,"LM3S2412"}, + {0x56,"LM3S2432"}, + {0x5a,"LM3S2533"}, + {0x57,"LM3S2620"}, + {0x85,"LM3S2637"}, + {0x53,"LM3S2651"}, + {0xa4,"LM3S2730"}, + {0x52,"LM3S2739"}, + {0x54,"LM3S2939"}, + {0x8f,"LM3S2948"}, + {0x58,"LM3S2950"}, + {0x55,"LM3S2965"}, + {0xa1,"LM3S6100"}, + {0x74,"LM3S6110"}, + {0xa5,"LM3S6420"}, + {0x82,"LM3S6422"}, + {0x75,"LM3S6432"}, + {0x71,"LM3S6610"}, + {0x83,"LM3S6633"}, + {0x8b,"LM3S6637"}, + {0xa3,"LM3S6730"}, + {0x89,"LM3S6938"}, + {0x78,"LM3S6952"}, + {0x73,"LM3S6965"}, {0,"Unknown part"} }; @@ -157,7 +184,9 @@ int stellaris_info(struct flash_bank_s *bank, char *buf, int buf_size) return ERROR_FLASH_OPERATION_FAILED; } - printed = snprintf(buf, buf_size, "\nLMI Stellaris information: Chip is %s v%i.%02i\n",stellaris_info->target_name, (stellaris_info->did0>>8)&0xFF, (stellaris_info->did0)&0xFF); + printed = snprintf(buf, buf_size, "\nLMI Stellaris information: Chip is class %i %s v%c.%i\n", + (stellaris_info->did0>>16)&0xff, stellaris_info->target_name, + 'A' + (stellaris_info->did0>>8)&0xFF, (stellaris_info->did0)&0xFF); buf += printed; buf_size -= printed; @@ -295,7 +324,7 @@ int stellaris_read_part_info(struct flash_bank_s *bank) { stellaris_flash_bank_t *stellaris_info = bank->driver_priv; target_t *target = stellaris_info->target; - u32 did0,did1, status; + u32 did0,did1, ver, fam, status; int i; /* Read and parse chip identification register */ @@ -305,16 +334,19 @@ int stellaris_read_part_info(struct flash_bank_s *bank) target_read_u32(target, SCB_BASE|DC1, &stellaris_info->dc1); DEBUG("did0 0x%x, did1 0x%x, dc0 0x%x, dc1 0x%x",did0, did1, stellaris_info->dc0,stellaris_info->dc1); - if (((did0>>27)&0x7)) + ver = did0 >> 28; + if((ver != 0) && (ver != 1)) { - WARNING("Unkown did0 version, cannot identify target"); + WARNING("Unknown did0 version, cannot identify target"); return ERROR_FLASH_OPERATION_FAILED; } - if (did1>>24) + ver = did1 >> 28; + fam = (did1 >> 24) & 0xF; + if(((ver != 0) && (ver != 1)) || (fam != 0)) { - WARNING("Unkown did1 version/family, cannot positively identify target as a Stellaris"); + WARNING("Unknown did1 version/family, cannot positively identify target as a Stellaris"); } if (did1 == 0) @@ -409,7 +441,7 @@ int stellaris_erase(struct flash_bank_s *bank, int first, int last) if (stellaris_info->did1 == 0) { - WARNING("Cannot identify target as an AT91SAM"); + WARNING("Cannot identify target as Stellaris"); return ERROR_FLASH_OPERATION_FAILED; } @@ -428,6 +460,7 @@ int stellaris_erase(struct flash_bank_s *bank, int first, int last) if ((first == 0) && (last == (stellaris_info->num_pages-1))) { + target_write_u32(target, FLASH_FMA, 0); target_write_u32(target, FLASH_FMC, FMC_WRKEY | FMC_MERASE); /* Wait until erase complete */ do @@ -436,6 +469,19 @@ int stellaris_erase(struct flash_bank_s *bank, int first, int last) } while(flash_fmc & FMC_MERASE); + /* if device has > 128k, then second erase cycle is needed */ + if(stellaris_info->num_pages * stellaris_info->pagesize > 0x20000) + { + target_write_u32(target, FLASH_FMA, 0x20000); + target_write_u32(target, FLASH_FMC, FMC_WRKEY | FMC_MERASE); + /* Wait until erase complete */ + do + { + target_read_u32(target, FLASH_FMC, &flash_fmc); + } + while(flash_fmc & FMC_MERASE); + } + return ERROR_OK; } @@ -588,6 +634,8 @@ int stellaris_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 armv7m_algorithm_t armv7m_info; int retval; + DEBUG("(bank=%08X buffer=%08X offset=%08X wcount=%08X)", + bank, buffer, offset, wcount); /* flash write code */ if (target_alloc_working_area(target, sizeof(stellaris_write_code), &write_algorithm) != ERROR_OK) @@ -601,6 +649,8 @@ int stellaris_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 /* memory buffer */ while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) { + DEBUG("called target_alloc_working_area(target=%08X buffer_size=%08X source=%08X)", + target, buffer_size, source); buffer_size /= 2; if (buffer_size <= 256) { @@ -677,6 +727,9 @@ int stellaris_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count u32 fcr,flash_cris,flash_fmc; u32 retval; + DEBUG("(bank=%08X buffer=%08X offset=%08X count=%08X)", + bank, buffer, offset, count); + if (stellaris_info->target->state != TARGET_HALTED) { return ERROR_TARGET_NOT_HALTED; -- cgit v1.2.3