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Kinetis: improve flash detection using SIM_FCFG2 MAXADDR0 and MAXADDR1 

Autodetect 1 or 2 flash blocks devices and recheck bank sizes.
Correct pf_size calculation for 2 MB devices.

Change-Id: Ib3b68db9ec5356b8d5dc73c9f12053f7476bf474
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/2992
Tested-by: jenkins
This commit is contained in:
Tomas Vanek 2015-09-29 18:15:36 +02:00 committed by Andreas Fritiofson
parent 55e338f3e8
commit 2a1821780d
1 changed files with 44 additions and 8 deletions
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52
src/flash/nor/kinetis.c
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@ -1187,7 +1187,7 @@ static int kinetis_read_part_info(struct flash_bank *bank)
int result, i;
uint32_t offset = 0;
uint8_t fcfg1_nvmsize, fcfg1_pfsize, fcfg1_eesize, fcfg1_depart;
uint8_t fcfg2_pflsh;
uint8_t fcfg2_maxaddr0, fcfg2_pflsh, fcfg2_maxaddr1;
uint32_t nvm_size = 0, pf_size = 0, df_size = 0, ee_size = 0;
unsigned num_blocks = 0, num_pflash_blocks = 0, num_nvm_blocks = 0, first_nvm_bank = 0,
pflash_sector_size_bytes = 0, nvm_sector_size_bytes = 0;
@ -1297,7 +1297,7 @@ static int kinetis_read_part_info(struct flash_bank *bank)
|| (kinfo->sim_sdid & (KINETIS_SDID_DIEID_MASK)) == KINETIS_SDID_DIEID_K22FN512) {
/* K22 with new-style SDID - smaller pflash with FTFA, 2kB sectors */
pflash_sector_size_bytes = 2<<10;
num_blocks = 2; /* 1 or 2 blocks */
/* autodetect 1 or 2 blocks */
kinfo->flash_support = FS_PROGRAM_LONGWORD;
break;
}
@ -1349,7 +1349,7 @@ static int kinetis_read_part_info(struct flash_bank *bank)
/* KL-series */
pflash_sector_size_bytes = 1<<10;
nvm_sector_size_bytes = 1<<10;
num_blocks = 1;
/* autodetect 1 or 2 blocks */
kinfo->flash_support = FS_PROGRAM_LONGWORD;
break;
default:
@ -1379,6 +1379,18 @@ static int kinetis_read_part_info(struct flash_bank *bank)
fcfg1_depart = (uint8_t)((kinfo->sim_fcfg1 >> 8) & 0x0f);
fcfg2_pflsh = (uint8_t)((kinfo->sim_fcfg2 >> 23) & 0x01);
fcfg2_maxaddr0 = (uint8_t)((kinfo->sim_fcfg2 >> 24) & 0x7f);
fcfg2_maxaddr1 = (uint8_t)((kinfo->sim_fcfg2 >> 16) & 0x7f);
if (num_blocks == 0)
num_blocks = fcfg2_maxaddr1 ? 2 : 1;
else if (fcfg2_maxaddr1 == 0 && num_blocks >= 2) {
num_blocks = 1;
LOG_WARNING("MAXADDR1 is zero, number of flash banks adjusted to 1");
} else if (fcfg2_maxaddr1 != 0 && num_blocks == 1) {
num_blocks = 2;
LOG_WARNING("MAXADDR1 is non zero, number of flash banks adjusted to 2");
}
/* when the PFLSH bit is set, there is no FlexNVM/FlexRAM */
if (!fcfg2_pflsh) {
@ -1455,12 +1467,22 @@ static int kinetis_read_part_info(struct flash_bank *bank)
pf_size = 1 << (14 + (fcfg1_pfsize >> 1));
break;
case 0x0f:
if (pflash_sector_size_bytes >= 4<<10)
pf_size = 1024<<10;
else if (fcfg2_pflsh)
pf_size = 512<<10;
/* a peculiar case: Freescale states different sizes for 0xf
* K02P64M100SFARM 128 KB ... duplicate of code 0x7
* K22P121M120SF8RM 256 KB ... duplicate of code 0x9
* K22P121M120SF7RM 512 KB ... duplicate of code 0xb
* K22P100M120SF5RM 1024 KB ... duplicate of code 0xd
* K26P169M180SF5RM 2048 KB ... the only unique value
* fcfg2_maxaddr0 seems to be the only clue to pf_size
* Checking fcfg2_maxaddr0 later in this routine is pointless then
*/
if (fcfg2_pflsh)
pf_size = ((uint32_t)fcfg2_maxaddr0 << 13) * num_blocks;
else
pf_size = 256<<10;
pf_size = ((uint32_t)fcfg2_maxaddr0 << 13) * num_blocks / 2;
if (pf_size != 2048<<10)
LOG_WARNING("SIM_FCFG1 PFSIZE = 0xf: please check if pflash is %u KB", pf_size>>10);
break;
default:
pf_size = 0;
@ -1532,6 +1554,20 @@ static int kinetis_read_part_info(struct flash_bank *bank)
return ERROR_FLASH_BANK_INVALID;
}
if (bank->bank_number == 0 && ((uint32_t)fcfg2_maxaddr0 << 13) != bank->size)
LOG_WARNING("MAXADDR0 0x%02" PRIx8 " check failed,"
" please report to OpenOCD mailing list", fcfg2_maxaddr0);
if (fcfg2_pflsh) {
if (bank->bank_number == 1 && ((uint32_t)fcfg2_maxaddr1 << 13) != bank->size)
LOG_WARNING("MAXADDR1 0x%02" PRIx8 " check failed,"
" please report to OpenOCD mailing list", fcfg2_maxaddr1);
} else {
if ((unsigned)bank->bank_number == first_nvm_bank
&& ((uint32_t)fcfg2_maxaddr1 << 13) != df_size)
LOG_WARNING("FlexNVM MAXADDR1 0x%02" PRIx8 " check failed,"
" please report to OpenOCD mailing list", fcfg2_maxaddr1);
}
if (bank->sectors) {
free(bank->sectors);
bank->sectors = NULL;