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flash/nor/nrf5: show RAM size on old nRF51 devices (rev 1, 2) 

Change-Id: I2452c084b9bd9e401bd49e15791428a53df1cd1d
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/4868
Tested-by: jenkins
This commit is contained in:
Tomas Vanek 2019-01-21 16:25:07 +01:00
parent e2ca8914f2
commit d8288a22c1
1 changed files with 56 additions and 12 deletions
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68
src/flash/nor/nrf5.c
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@ -157,6 +157,7 @@ struct nrf5_info {
uint32_t hwid;
enum nrf5_features features;
unsigned int flash_size_kb;
unsigned int ram_size_kb;
};
#define NRF51_DEVICE_DEF(id, pt, var, bcode, fsize) \
@ -589,29 +590,31 @@ static int nrf5_info(struct flash_bank *bank, char *buf, int buf_size)
{
struct nrf5_bank *nbank = bank->driver_priv;
struct nrf5_info *chip = nbank->chip;
int res;
if (chip->spec) {
snprintf(buf, buf_size,
"nRF%s-%s(build code: %s) %ukB Flash",
chip->spec->part, chip->spec->variant, chip->spec->build_code,
chip->flash_size_kb);
res = snprintf(buf, buf_size,
"nRF%s-%s(build code: %s)",
chip->spec->part, chip->spec->variant, chip->spec->build_code);
} else if (chip->ficr_info_valid) {
char variant[5];
nrf5_info_variant_to_str(chip->ficr_info.variant, variant);
snprintf(buf, buf_size,
"nRF%" PRIx32 "-%s%.2s(build code: %s) %" PRIu32
"kB Flash, %" PRIu32 "kB RAM",
res = snprintf(buf, buf_size,
"nRF%" PRIx32 "-%s%.2s(build code: %s)",
chip->ficr_info.part,
nrf5_decode_info_package(chip->ficr_info.package),
variant, &variant[2],
chip->flash_size_kb,
chip->ficr_info.ram);
variant, &variant[2]);
} else {
snprintf(buf, buf_size, "nRF51xxx (HWID 0x%04" PRIx16 ") %ukB Flash",
chip->hwid, chip->flash_size_kb);
res = snprintf(buf, buf_size, "nRF51xxx (HWID 0x%04" PRIx16 ")",
chip->hwid);
}
if (res <= 0)
return ERROR_FAIL;
snprintf(buf + res, buf_size - res, " %ukB Flash, %ukB RAM",
chip->flash_size_kb, chip->ram_size_kb);
return ERROR_OK;
}
@ -681,6 +684,39 @@ static int nrf5_read_ficr_info(struct nrf5_info *chip)
return ERROR_OK;
}
static int nrf5_get_ram_size(struct target *target, uint32_t *ram_size)
{
int res;
*ram_size = 0;
uint32_t numramblock;
res = target_read_u32(target, NRF51_FICR_NUMRAMBLOCK, &numramblock);
if (res != ERROR_OK) {
LOG_DEBUG("Couldn't read FICR NUMRAMBLOCK register");
return res;
}
if (numramblock < 1 || numramblock > 4) {
LOG_DEBUG("FICR NUMRAMBLOCK strange value %" PRIx32, numramblock);
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
for (unsigned int i = 0; i < numramblock; i++) {
uint32_t sizeramblock;
res = target_read_u32(target, NRF51_FICR_SIZERAMBLOCK0 + sizeof(uint32_t)*i, &sizeramblock);
if (res != ERROR_OK) {
LOG_DEBUG("Couldn't read FICR NUMRAMBLOCK register");
return res;
}
if (sizeramblock < 1024 || sizeramblock > 65536)
LOG_DEBUG("FICR SIZERAMBLOCK strange value %" PRIx32, sizeramblock);
else
*ram_size += sizeramblock;
}
return res;
}
static int nrf5_probe(struct flash_bank *bank)
{
int res;
@ -720,6 +756,14 @@ static int nrf5_probe(struct flash_bank *bank)
PRIx32, chip->hwid, chip->ficr_info.part);
}
if (chip->ficr_info_valid) {
chip->ram_size_kb = chip->ficr_info.ram;
} else {
uint32_t ram_size;
nrf5_get_ram_size(target, &ram_size);
chip->ram_size_kb = ram_size / 1024;
}
/* The value stored in NRF5_FICR_CODEPAGESIZE is the number of bytes in one page of FLASH. */
uint32_t flash_page_size;
res = target_read_u32(chip->target, NRF5_FICR_CODEPAGESIZE,