interesting
/
riscv-openocd
mirror of https://github.com/riscv/riscv-openocd.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

fix Kinetis 100 MHz rev 1.x programming 

Kinetis 100 MHz rev 1.x devices have no SMC and hence need different
checking of the run mode. Details about the differences between rev 1.x
and 2.x of the Kinetis 100 MHz series can be found here:
https://www.nxp.com.cn/docs/en/application-note/AN4445.pdf

Signed-off-by: Martin Hierholzer <martin.hierholzer@desy.de>
Change-Id: Ib705385a931275159bdae9b31caecc6ec9c0da1e
Reviewed-on: https://review.openocd.org/c/openocd/+/7015
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
This commit is contained in:
Martin Hierholzer 2022-05-27 15:22:25 +02:00 committed by Tomas Vanek
parent df75bbd536
commit d9940cc9bc
1 changed files with 39 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
src/flash/nor/kinetis.c
View File

@ -97,6 +97,8 @@
#define SMC_PMSTAT 0x4007E003
#define SMC32_PMCTRL 0x4007E00C
#define SMC32_PMSTAT 0x4007E014
#define PMC_REGSC 0x4007D002
#define MC_PMCTRL 0x4007E003
#define MCM_PLACR 0xF000300C
/* Offsets */
@ -188,6 +190,9 @@
#define KINETIS_K_SDID_K60_M150 0x000001C0
#define KINETIS_K_SDID_K70_M150 0x000001D0
#define KINETIS_K_REVID_MASK 0x0000F000
#define KINETIS_K_REVID_SHIFT 12
#define KINETIS_SDID_SERIESID_MASK 0x00F00000
#define KINETIS_SDID_SERIESID_K 0x00000000
#define KINETIS_SDID_SERIESID_KL 0x00100000
@ -298,6 +303,7 @@ struct kinetis_chip {
enum {
KINETIS_SMC,
KINETIS_SMC32,
KINETIS_MC,
} sysmodectrlr_type;
char name[40];
@ -1537,6 +1543,17 @@ static int kinetis_read_pmstat(struct kinetis_chip *k_chip, uint8_t *pmstat)
if (result == ERROR_OK)
*pmstat = stat32 & 0xff;
return result;
case KINETIS_MC:
/* emulate SMC by reading PMC_REGSC bit 3 (VLPRS) */
result = target_read_u8(target, PMC_REGSC, pmstat);
if (result == ERROR_OK) {
if (*pmstat & 0x08)
*pmstat = PM_STAT_VLPR;
else
*pmstat = PM_STAT_RUN;
}
return result;
}
return ERROR_FAIL;
}
@ -1577,6 +1594,10 @@ static int kinetis_check_run_mode(struct kinetis_chip *k_chip)
case KINETIS_SMC32:
result = target_write_u32(target, SMC32_PMCTRL, PM_CTRL_RUNM_RUN);
break;
case KINETIS_MC:
result = target_write_u32(target, MC_PMCTRL, PM_CTRL_RUNM_RUN);
break;
}
if (result != ERROR_OK)
return result;
@ -2143,6 +2164,24 @@ static int kinetis_probe_chip(struct kinetis_chip *k_chip)
}
}
/* first revision of some devices has no SMC */
switch (mcu_type) {
case KINETIS_K_SDID_K10_M100:
case KINETIS_K_SDID_K20_M100:
case KINETIS_K_SDID_K30_M100:
case KINETIS_K_SDID_K40_M100:
case KINETIS_K_SDID_K60_M100:
{
uint32_t revid = (k_chip->sim_sdid & KINETIS_K_REVID_MASK) >> KINETIS_K_REVID_SHIFT;
/* highest bit set corresponds to rev 2.x */
if (revid <= 7) {
k_chip->sysmodectrlr_type = KINETIS_MC;
strcat(name, " Rev 1.x");
}
}
break;
}
} else {
/* Newer K-series or KL series MCU */
familyid = (k_chip->sim_sdid & KINETIS_SDID_FAMILYID_MASK) >> KINETIS_SDID_FAMILYID_SHIFT;