#include <string.h>
#include <unistd.h>
+#define DID0_VER(did0) ((did0>>28)&0x07)
int stellaris_register_commands(struct command_context_s *cmd_ctx);
int stellaris_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
int stellaris_erase(struct flash_bank_s *bank, int first, int last);
int stellaris_protect(struct flash_bank_s *bank, int set, int first, int last);
int stellaris_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
+int stellaris_auto_probe(struct flash_bank_s *bank);
int stellaris_probe(struct flash_bank_s *bank);
int stellaris_erase_check(struct flash_bank_s *bank);
int stellaris_protect_check(struct flash_bank_s *bank);
int stellaris_info(struct flash_bank_s *bank, char *buf, int buf_size);
+int stellaris_read_part_info(struct flash_bank_s *bank);
u32 stellaris_get_flash_status(flash_bank_t *bank);
void stellaris_set_flash_mode(flash_bank_t *bank,int mode);
u32 stellaris_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout);
+int stellaris_read_part_info(struct flash_bank_s *bank);
+
flash_driver_t stellaris_flash =
{
.name = "stellaris",
.protect = stellaris_protect,
.write = stellaris_write,
.probe = stellaris_probe,
+ .auto_probe = stellaris_auto_probe,
.erase_check = stellaris_erase_check,
.protect_check = stellaris_protect_check,
.info = stellaris_info
struct {
u32 partno;
- char partname[];
+ char *partname;
} StellarisParts[] =
{
{0x01,"LM3S101"},
{0x02,"LM3S102"},
+ {0x19,"LM3S300"},
{0x11,"LM3S301"},
{0x12,"LM3S310"},
+ {0x1A,"LM3S308"},
{0x13,"LM3S315"},
{0x14,"LM3S316"},
+ {0x17,"LM3S317"},
+ {0x18,"LM3S318"},
{0x15,"LM3S328"},
+ {0x2A,"LM3S600"},
{0x21,"LM3S601"},
+ {0x2B,"LM3S608"},
{0x22,"LM3S610"},
{0x23,"LM3S611"},
{0x24,"LM3S612"},
{0x25,"LM3S613"},
{0x26,"LM3S615"},
+ {0x28,"LM3S617"},
+ {0x29,"LM3S618"},
{0x27,"LM3S628"},
+ {0x38,"LM3S800"},
{0x31,"LM3S801"},
+ {0x39,"LM3S808"},
{0x32,"LM3S811"},
{0x33,"LM3S812"},
{0x34,"LM3S815"},
+ {0x36,"LM3S817"},
+ {0x37,"LM3S818"},
{0x35,"LM3S828"},
+ {0x51,"LM3S2110"},
+ {0x52,"LM3S2739"},
+ {0x53,"LM3S2651"},
+ {0x54,"LM3S2939"},
+ {0x55,"LM3S2965"},
+ {0x56,"LM3S2432"},
+ {0x57,"LM3S2620"},
+ {0x58,"LM3S2950"},
+ {0x59,"LM3S2412"},
+ {0x5A,"LM3S2533"},
+ {0x61,"LM3S8630"},
+ {0x62,"LM3S8970"},
+ {0x63,"LM3S8730"},
+ {0x64,"LM3S8530"},
+ {0x65,"LM3S8930"},
+ {0x71,"LM3S6610"},
+ {0x72,"LM3S6950"},
+ {0x73,"LM3S6965"},
+ {0x74,"LM3S6110"},
+ {0x75,"LM3S6432"},
+ {0x76,"LM3S6537"},
+ {0x77,"LM3S6753"},
+ {0x78,"LM3S6952"},
+ {0x82,"LM3S6422"},
+ {0x83,"LM3S6633"},
+ {0x84,"LM3S2139"},
+ {0x85,"LM3S2637"},
+ {0x86,"LM3S8738"},
+ {0x88,"LM3S8938"},
+ {0x89,"LM3S6938"},
+ {0x8B,"LM3S6637"},
+ {0x8C,"LM3S8933"},
+ {0x8D,"LM3S8733"},
+ {0x8E,"LM3S8538"},
+ {0x8F,"LM3S2948"},
+ {0xA1,"LM3S6100"},
+ {0xA2,"LM3S2410"},
+ {0xA3,"LM3S6730"},
+ {0xA4,"LM3S2730"},
+ {0xA5,"LM3S6420"},
+ {0xA6,"LM3S8962"},
+ {0xB3,"LM3S1635"},
+ {0xB4,"LM3S1850"},
+ {0xB5,"LM3S1960"},
+ {0xB7,"LM3S1937"},
+ {0xB8,"LM3S1968"},
+ {0xB9,"LM3S1751"},
+ {0xBA,"LM3S1439"},
+ {0xBB,"LM3S1512"},
+ {0xBC,"LM3S1435"},
+ {0xBD,"LM3S1637"},
+ {0xBE,"LM3S1958"},
+ {0xBF,"LM3S1110"},
+ {0xC0,"LM3S1620"},
+ {0xC1,"LM3S1150"},
+ {0xC2,"LM3S1165"},
+ {0xC3,"LM3S1133"},
+ {0xC4,"LM3S1162"},
+ {0xC5,"LM3S1138"},
+ {0xC6,"LM3S1332"},
+ {0xC7,"LM3S1538"},
+ {0xD0,"LM3S6815"},
+ {0xD1,"LM3S6816"},
+ {0xD2,"LM3S6915"},
+ {0xD3,"LM3S6916"},
+ {0xD4,"LM3S2016"},
+ {0xD5,"LM3S1615"},
+ {0xD6,"LM3S1616"},
+ {0xD7,"LM3S8971"},
+ {0xD8,"LM3S1108"},
+ {0xD9,"LM3S1101"},
+ {0xDA,"LM3S1608"},
+ {0xDB,"LM3S1601"},
+ {0xDC,"LM3S1918"},
+ {0xDD,"LM3S1911"},
+ {0xDE,"LM3S2108"},
+ {0xDF,"LM3S2101"},
+ {0xE0,"LM3S2608"},
+ {0xE1,"LM3S2601"},
+ {0xE2,"LM3S2918"},
+ {0xE3,"LM3S2911"},
+ {0xE4,"LM3S6118"},
+ {0xE5,"LM3S6111"},
+ {0xE6,"LM3S6618"},
+ {0xE7,"LM3S6611"},
+ {0xE8,"LM3S6918"},
+ {0xE9,"LM3S6911"},
{0,"Unknown part"}
};
+char * StellarisClassname[2] =
+{
+ "Sandstorm",
+ "Fury"
+};
+
/***************************************************************************
* openocd command interface *
***************************************************************************/
+/* flash_bank stellaris <base> <size> 0 0 <target#>
+ */
int stellaris_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
{
stellaris_flash_bank_t *stellaris_info;
bank->base = 0x0;
bank->driver_priv = stellaris_info;
- stellaris_info->target_name ="Unknown target";
- stellaris_info->target = get_target_by_num(strtoul(args[5], NULL, 0));
- if (!stellaris_info->target)
- {
- ERROR("no target '%i' configured", args[5]);
- exit(-1);
- }
+ stellaris_info->target_name = "Unknown target";
/* part wasn't probed for info yet */
stellaris_info->did1 = 0;
int stellaris_info(struct flash_bank_s *bank, char *buf, int buf_size)
{
- int printed;
+ int printed, device_class;
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
stellaris_read_part_info(bank);
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);
+ if (DID0_VER(stellaris_info->did0)>0)
+ {
+ device_class = (stellaris_info->did0>>16)&0xFF;
+ }
+ else
+ {
+ device_class = 0;
+ }
+ printed = snprintf(buf, buf_size, "\nLMI Stellaris information: Chip is class %i(%s) %s v%c.%i\n",
+ device_class, StellarisClassname[device_class], stellaris_info->target_name,
+ 'A' + (stellaris_info->did0>>8)&0xFF, (stellaris_info->did0)&0xFF);
buf += printed;
buf_size -= printed;
u32 stellaris_get_flash_status(flash_bank_t *bank)
{
- stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
- target_t *target = stellaris_info->target;
+ target_t *target = bank->target;
u32 fmc;
target_read_u32(target, FLASH_CONTROL_BASE|FLASH_FMC, &fmc);
void stellaris_read_clock_info(flash_bank_t *bank)
{
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
- target_t *target = stellaris_info->target;
+ target_t *target = bank->target;
u32 rcc, pllcfg, sysdiv, usesysdiv, bypass, oscsrc;
- unsigned long tmp, mainfreq;
+ unsigned long mainfreq;
target_read_u32(target, SCB_BASE|RCC, &rcc);
DEBUG("Stellaris RCC %x",rcc);
void stellaris_set_flash_mode(flash_bank_t *bank,int mode)
{
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
- target_t *target = stellaris_info->target;
+ target_t *target = bank->target;
u32 usecrl = (stellaris_info->mck_freq/1000000ul-1);
DEBUG("usecrl = %i",usecrl);
int stellaris_flash_command(struct flash_bank_s *bank,u8 cmd,u16 pagen)
{
u32 fmc;
- stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
- target_t *target = stellaris_info->target;
+ target_t *target = bank->target;
fmc = FMC_WRKEY | cmd;
target_write_u32(target, FLASH_CONTROL_BASE|FLASH_FMC, fmc);
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;
+ target_t *target = bank->target;
+ u32 did0,did1, ver, fam, status;
int i;
/* Read and parse chip identification register */
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))
- {
- WARNING("Unkown did0 version, cannot identify target");
- return ERROR_FLASH_OPERATION_FAILED;
-
- }
-
- if (did1>>24)
+ ver = did0 >> 28;
+ if((ver != 0) && (ver != 1))
{
- WARNING("Unkown did1 version/family, cannot positively identify target as a Stellaris");
+ WARNING("Unknown did0 version, cannot identify target");
+ return ERROR_FLASH_OPERATION_FAILED;
}
if (did1 == 0)
WARNING("Cannot identify target as a Stellaris");
return ERROR_FLASH_OPERATION_FAILED;
}
-
+
+ ver = did1 >> 28;
+ fam = (did1 >> 24) & 0xF;
+ if(((ver != 0) && (ver != 1)) || (fam != 0))
+ {
+ WARNING("Unknown did1 version/family, cannot positively identify target as a Stellaris");
+ }
+
for (i=0;StellarisParts[i].partno;i++)
{
if (StellarisParts[i].partno==((did1>>16)&0xFF))
stellaris_info->did0 = did0;
stellaris_info->did1 = did1;
-
+
stellaris_info->num_lockbits = 1+stellaris_info->dc0&0xFFFF;
stellaris_info->num_pages = 2*(1+stellaris_info->dc0&0xFFFF);
stellaris_info->pagesize = 1024;
stellaris_info->pages_in_lockregion = 2;
target_read_u32(target, SCB_BASE|FMPPE, &stellaris_info->lockbits);
- // Read main and master clock freqency register
+ /* Read main and master clock freqency register */
stellaris_read_clock_info(bank);
status = stellaris_get_flash_status(bank);
- WARNING("stellaris flash only tested for LM3S811 series");
-
return ERROR_OK;
}
int stellaris_erase_check(struct flash_bank_s *bank)
{
+ /*
+
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
- target_t *target = stellaris_info->target;
+ target_t *target = bank->target;
int i;
- /* */
+ */
return ERROR_OK;
}
u32 status;
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
- target_t *target = stellaris_info->target;
+
+ if (bank->target->state != TARGET_HALTED)
+ {
+ return ERROR_TARGET_NOT_HALTED;
+ }
if (stellaris_info->did1 == 0)
{
int banknr;
u32 flash_fmc, flash_cris;
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
- target_t *target = stellaris_info->target;
+ target_t *target = bank->target;
- if (stellaris_info->target->state != TARGET_HALTED)
+ if (bank->target->state != TARGET_HALTED)
{
return ERROR_TARGET_NOT_HALTED;
}
-
+
if (stellaris_info->did1 == 0)
{
stellaris_read_part_info(bank);
if (stellaris_info->did1 == 0)
{
- WARNING("Cannot identify target as an AT91SAM");
+ WARNING("Cannot identify target as Stellaris");
return ERROR_FLASH_OPERATION_FAILED;
}
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
}
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;
}
int stellaris_protect(struct flash_bank_s *bank, int set, int first, int last)
{
- u32 cmd, fmppe, flash_fmc, flash_cris;
+ u32 fmppe, flash_fmc, flash_cris;
int lockregion;
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
- target_t *target = stellaris_info->target;
+ target_t *target = bank->target;
- if (stellaris_info->target->state != TARGET_HALTED)
+ if (bank->target->state != TARGET_HALTED)
{
return ERROR_TARGET_NOT_HALTED;
}
u8 stellaris_write_code[] =
{
-/* Call with :
+/*
+ Call with :
r0 = buffer address
r1 = destination address
r2 = bytecount (in) - endaddr (work)
+
+ Used registers:
r3 = pFLASH_CTRL_BASE
r4 = FLASHWRITECMD
r5 = #1
- r6 = scratch
- r7
+ r6 = bytes written
+ r7 = temp reg
*/
0x07,0x4B, /* ldr r3,pFLASH_CTRL_BASE */
0x08,0x4C, /* ldr r4,FLASHWRITECMD */
int stellaris_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 wcount)
{
- stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
- target_t *target = stellaris_info->target;
+ target_t *target = bank->target;
u32 buffer_size = 8192;
working_area_t *source;
working_area_t *write_algorithm;
armv7m_algorithm_t armv7m_info;
int retval;
+ DEBUG("(bank=%08X buffer=%08X offset=%08X wcount=%08X)",
+ (unsigned int)bank, (unsigned int)buffer, offset, wcount);
/* flash write code */
if (target_alloc_working_area(target, sizeof(stellaris_write_code), &write_algorithm) != ERROR_OK)
/* 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)",
+ (unsigned int)target, buffer_size, (unsigned int)source);
buffer_size /= 2;
if (buffer_size <= 256)
{
int stellaris_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
{
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
- target_t *target = stellaris_info->target;
- u32 dst_min_alignment, wcount, bytes_remaining = count;
+ target_t *target = bank->target;
u32 address = offset;
- u32 fcr,flash_cris,flash_fmc;
+ u32 flash_cris,flash_fmc;
u32 retval;
- if (stellaris_info->target->state != TARGET_HALTED)
+ if (bank->target->state != TARGET_HALTED)
{
return ERROR_TARGET_NOT_HALTED;
}
-
+
+ DEBUG("(bank=%08X buffer=%08X offset=%08X count=%08X)",
+ (unsigned int)bank, (unsigned int)buffer, offset, count);
+
if (stellaris_info->did1 == 0)
{
stellaris_read_part_info(bank);
target_write_u32(target, FLASH_FMA, address);
target_write_buffer(target, FLASH_FMD, 4, buffer);
target_write_u32(target, FLASH_FMC, FMC_WRKEY | FMC_WRITE);
- //DEBUG("0x%x 0x%x 0x%x",address,buf_get_u32(buffer, 0, 32),FMC_WRKEY | FMC_WRITE);
+ /* DEBUG("0x%x 0x%x 0x%x",address,buf_get_u32(buffer, 0, 32),FMC_WRKEY | FMC_WRITE); */
/* Wait until write complete */
do
{
/* we can't probe on an stellaris
* if this is an stellaris, it has the configured flash
*/
- stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
- if (stellaris_info->did1 == 0)
+ if (bank->target->state != TARGET_HALTED)
{
- stellaris_read_part_info(bank);
+ return ERROR_TARGET_NOT_HALTED;
}
- if (stellaris_info->did1 == 0)
- {
- WARNING("Cannot identify target as a LMI Stellaris");
- return ERROR_FLASH_OPERATION_FAILED;
- }
-
- return ERROR_OK;
+ /* stellaris_read_part_info() already takes care about error checking and reporting */
+ return stellaris_read_part_info(bank);
+}
+
+int stellaris_auto_probe(struct flash_bank_s *bank)
+{
+ stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
+ if (stellaris_info->did1)
+ return ERROR_OK;
+ return stellaris_probe(bank);
}
Code Review / openocd.git / blobdiff