#include "imp.h"
#include <helper/align.h>
#include <helper/binarybuffer.h>
+#include <helper/bits.h>
#include <target/algorithm.h>
+#include <target/arm_adi_v5.h>
#include <target/cortex_m.h>
-#include "bits.h"
#include "stm32l4x.h"
/* STM32L4xxx series for reference.
* - for STM32L4P5/Q5x
* In 1M FLASH devices bit 22 (DBANK) controls Dual Bank mode.
* In 512K FLASH devices bit 21 (DB512K) controls Dual Bank mode.
- *
*/
/* STM32WBxxx series for reference.
*
- * RM0434 (STM32WB55)
+ * RM0434 (STM32WB55/WB35x)
* http://www.st.com/resource/en/reference_manual/dm00318631.pdf
*
- * RM0471 (STM32WB50)
+ * RM0471 (STM32WB50/WB30x)
* http://www.st.com/resource/en/reference_manual/dm00622834.pdf
+ *
+ * RM0473 (STM32WB15x)
+ * http://www.st.com/resource/en/reference_manual/dm00649196.pdf
+ *
+ * RM0478 (STM32WB10x)
+ * http://www.st.com/resource/en/reference_manual/dm00689203.pdf
*/
/* STM32WLxxx series for reference.
uint32_t flash_regs_base;
const uint32_t *flash_regs;
bool otp_enabled;
- bool use_flashloader;
enum stm32l4_rdp rdp;
bool tzen;
uint32_t optr;
/* human readable list of families this drivers supports (sorted alphabetically) */
static const char *device_families = "STM32G0/G4/L4/L4+/L5/U5/WB/WL";
-static const struct stm32l4_rev stm32_415_revs[] = {
+static const struct stm32l4_rev stm32l47_l48xx_revs[] = {
{ 0x1000, "1" }, { 0x1001, "2" }, { 0x1003, "3" }, { 0x1007, "4" }
};
-static const struct stm32l4_rev stm32_435_revs[] = {
+static const struct stm32l4_rev stm32l43_l44xx_revs[] = {
{ 0x1000, "A" }, { 0x1001, "Z" }, { 0x2001, "Y" },
};
-static const struct stm32l4_rev stm32_460_revs[] = {
+static const struct stm32l4_rev stm32g05_g06xx_revs[] = {
+ { 0x1000, "A" },
+};
+
+static const struct stm32l4_rev stm32_g07_g08xx_revs[] = {
{ 0x1000, "A/Z" } /* A and Z, no typo in RM! */, { 0x2000, "B" },
};
-static const struct stm32l4_rev stm32_461_revs[] = {
+static const struct stm32l4_rev stm32l49_l4axx_revs[] = {
{ 0x1000, "A" }, { 0x2000, "B" },
};
-static const struct stm32l4_rev stm32_462_revs[] = {
+static const struct stm32l4_rev stm32l45_l46xx_revs[] = {
{ 0x1000, "A" }, { 0x1001, "Z" }, { 0x2001, "Y" },
};
-static const struct stm32l4_rev stm32_464_revs[] = {
+static const struct stm32l4_rev stm32l41_L42xx_revs[] = {
{ 0x1000, "A" }, { 0x1001, "Z" }, { 0x2001, "Y" },
};
-static const struct stm32l4_rev stm32_466_revs[] = {
+static const struct stm32l4_rev stm32g03_g04xx_revs[] = {
{ 0x1000, "A" }, { 0x1001, "Z" }, { 0x2000, "B" },
};
-static const struct stm32l4_rev stm32_467_revs[] = {
+static const struct stm32l4_rev stm32g0b_g0cxx_revs[] = {
{ 0x1000, "A" },
};
-static const struct stm32l4_rev stm32_468_revs[] = {
+static const struct stm32l4_rev stm32g43_g44xx_revs[] = {
{ 0x1000, "A" }, { 0x2000, "B" }, { 0x2001, "Z" },
};
-static const struct stm32l4_rev stm32_469_revs[] = {
+static const struct stm32l4_rev stm32g47_g48xx_revs[] = {
{ 0x1000, "A" }, { 0x2000, "B" }, { 0x2001, "Z" },
};
-static const struct stm32l4_rev stm32_470_revs[] = {
+static const struct stm32l4_rev stm32l4r_l4sxx_revs[] = {
{ 0x1000, "A" }, { 0x1001, "Z" }, { 0x1003, "Y" }, { 0x100F, "W" },
};
-static const struct stm32l4_rev stm32_471_revs[] = {
+static const struct stm32l4_rev stm32l4p_l4qxx_revs[] = {
{ 0x1001, "Z" },
};
-static const struct stm32l4_rev stm32_472_revs[] = {
+static const struct stm32l4_rev stm32l55_l56xx_revs[] = {
{ 0x1000, "A" }, { 0x2000, "B" },
};
-static const struct stm32l4_rev stm32_479_revs[] = {
+static const struct stm32l4_rev stm32g49_g4axx_revs[] = {
{ 0x1000, "A" },
};
-static const struct stm32l4_rev stm32_482_revs[] = {
+static const struct stm32l4_rev stm32u57_u58xx_revs[] = {
{ 0x1000, "A" }, { 0x1001, "Z" }, { 0x1003, "Y" }, { 0x2000, "B" },
};
-static const struct stm32l4_rev stm32_495_revs[] = {
+static const struct stm32l4_rev stm32wb1xx_revs[] = {
+ { 0x1000, "A" }, { 0x2000, "B" },
+};
+
+static const struct stm32l4_rev stm32wb5xx_revs[] = {
{ 0x2001, "2.1" },
};
-static const struct stm32l4_rev stm32_496_revs[] = {
+static const struct stm32l4_rev stm32wb3xx_revs[] = {
{ 0x1000, "A" },
};
-static const struct stm32l4_rev stm32_497_revs[] = {
+static const struct stm32l4_rev stm32wle_wl5xx_revs[] = {
{ 0x1000, "1.0" },
};
static const struct stm32l4_part_info stm32l4_parts[] = {
{
- .id = 0x415,
- .revs = stm32_415_revs,
- .num_revs = ARRAY_SIZE(stm32_415_revs),
+ .id = DEVID_STM32L47_L48XX,
+ .revs = stm32l47_l48xx_revs,
+ .num_revs = ARRAY_SIZE(stm32l47_l48xx_revs),
.device_str = "STM32L47/L48xx",
.max_flash_size_kb = 1024,
.flags = F_HAS_DUAL_BANK,
.otp_size = 1024,
},
{
- .id = 0x435,
- .revs = stm32_435_revs,
- .num_revs = ARRAY_SIZE(stm32_435_revs),
+ .id = DEVID_STM32L43_L44XX,
+ .revs = stm32l43_l44xx_revs,
+ .num_revs = ARRAY_SIZE(stm32l43_l44xx_revs),
.device_str = "STM32L43/L44xx",
.max_flash_size_kb = 256,
.flags = F_NONE,
.otp_size = 1024,
},
{
- .id = 0x460,
- .revs = stm32_460_revs,
- .num_revs = ARRAY_SIZE(stm32_460_revs),
+ .id = DEVID_STM32G05_G06XX,
+ .revs = stm32g05_g06xx_revs,
+ .num_revs = ARRAY_SIZE(stm32g05_g06xx_revs),
+ .device_str = "STM32G05/G06xx",
+ .max_flash_size_kb = 64,
+ .flags = F_NONE,
+ .flash_regs_base = 0x40022000,
+ .fsize_addr = 0x1FFF75E0,
+ .otp_base = 0x1FFF7000,
+ .otp_size = 1024,
+ },
+ {
+ .id = DEVID_STM32G07_G08XX,
+ .revs = stm32_g07_g08xx_revs,
+ .num_revs = ARRAY_SIZE(stm32_g07_g08xx_revs),
.device_str = "STM32G07/G08xx",
.max_flash_size_kb = 128,
.flags = F_NONE,
.otp_size = 1024,
},
{
- .id = 0x461,
- .revs = stm32_461_revs,
- .num_revs = ARRAY_SIZE(stm32_461_revs),
+ .id = DEVID_STM32L49_L4AXX,
+ .revs = stm32l49_l4axx_revs,
+ .num_revs = ARRAY_SIZE(stm32l49_l4axx_revs),
.device_str = "STM32L49/L4Axx",
.max_flash_size_kb = 1024,
.flags = F_HAS_DUAL_BANK,
.otp_size = 1024,
},
{
- .id = 0x462,
- .revs = stm32_462_revs,
- .num_revs = ARRAY_SIZE(stm32_462_revs),
+ .id = DEVID_STM32L45_L46XX,
+ .revs = stm32l45_l46xx_revs,
+ .num_revs = ARRAY_SIZE(stm32l45_l46xx_revs),
.device_str = "STM32L45/L46xx",
.max_flash_size_kb = 512,
.flags = F_NONE,
.otp_size = 1024,
},
{
- .id = 0x464,
- .revs = stm32_464_revs,
- .num_revs = ARRAY_SIZE(stm32_464_revs),
+ .id = DEVID_STM32L41_L42XX,
+ .revs = stm32l41_L42xx_revs,
+ .num_revs = ARRAY_SIZE(stm32l41_L42xx_revs),
.device_str = "STM32L41/L42xx",
.max_flash_size_kb = 128,
.flags = F_NONE,
.otp_size = 1024,
},
{
- .id = 0x466,
- .revs = stm32_466_revs,
- .num_revs = ARRAY_SIZE(stm32_466_revs),
- .device_str = "STM32G03/G04xx",
+ .id = DEVID_STM32G03_G04XX,
+ .revs = stm32g03_g04xx_revs,
+ .num_revs = ARRAY_SIZE(stm32g03_g04xx_revs),
+ .device_str = "STM32G03x/G04xx",
.max_flash_size_kb = 64,
.flags = F_NONE,
.flash_regs_base = 0x40022000,
.otp_size = 1024,
},
{
- .id = 0x467,
- .revs = stm32_467_revs,
- .num_revs = ARRAY_SIZE(stm32_467_revs),
- .device_str = "STM32G0Bx/G0Cx",
+ .id = DEVID_STM32G0B_G0CXX,
+ .revs = stm32g0b_g0cxx_revs,
+ .num_revs = ARRAY_SIZE(stm32g0b_g0cxx_revs),
+ .device_str = "STM32G0B/G0Cx",
.max_flash_size_kb = 512,
.flags = F_HAS_DUAL_BANK,
.flash_regs_base = 0x40022000,
.otp_size = 1024,
},
{
- .id = 0x468,
- .revs = stm32_468_revs,
- .num_revs = ARRAY_SIZE(stm32_468_revs),
+ .id = DEVID_STM32G43_G44XX,
+ .revs = stm32g43_g44xx_revs,
+ .num_revs = ARRAY_SIZE(stm32g43_g44xx_revs),
.device_str = "STM32G43/G44xx",
.max_flash_size_kb = 128,
.flags = F_NONE,
.otp_size = 1024,
},
{
- .id = 0x469,
- .revs = stm32_469_revs,
- .num_revs = ARRAY_SIZE(stm32_469_revs),
+ .id = DEVID_STM32G47_G48XX,
+ .revs = stm32g47_g48xx_revs,
+ .num_revs = ARRAY_SIZE(stm32g47_g48xx_revs),
.device_str = "STM32G47/G48xx",
.max_flash_size_kb = 512,
.flags = F_HAS_DUAL_BANK | F_USE_ALL_WRPXX,
.otp_size = 1024,
},
{
- .id = 0x470,
- .revs = stm32_470_revs,
- .num_revs = ARRAY_SIZE(stm32_470_revs),
+ .id = DEVID_STM32L4R_L4SXX,
+ .revs = stm32l4r_l4sxx_revs,
+ .num_revs = ARRAY_SIZE(stm32l4r_l4sxx_revs),
.device_str = "STM32L4R/L4Sxx",
.max_flash_size_kb = 2048,
.flags = F_HAS_DUAL_BANK | F_USE_ALL_WRPXX,
.otp_size = 1024,
},
{
- .id = 0x471,
- .revs = stm32_471_revs,
- .num_revs = ARRAY_SIZE(stm32_471_revs),
- .device_str = "STM32L4P5/L4Q5x",
+ .id = DEVID_STM32L4P_L4QXX,
+ .revs = stm32l4p_l4qxx_revs,
+ .num_revs = ARRAY_SIZE(stm32l4p_l4qxx_revs),
+ .device_str = "STM32L4P/L4Qxx",
.max_flash_size_kb = 1024,
.flags = F_HAS_DUAL_BANK | F_USE_ALL_WRPXX,
.flash_regs_base = 0x40022000,
.otp_size = 1024,
},
{
- .id = 0x472,
- .revs = stm32_472_revs,
- .num_revs = ARRAY_SIZE(stm32_472_revs),
+ .id = DEVID_STM32L55_L56XX,
+ .revs = stm32l55_l56xx_revs,
+ .num_revs = ARRAY_SIZE(stm32l55_l56xx_revs),
.device_str = "STM32L55/L56xx",
.max_flash_size_kb = 512,
.flags = F_HAS_DUAL_BANK | F_USE_ALL_WRPXX | F_HAS_TZ | F_HAS_L5_FLASH_REGS,
.otp_size = 512,
},
{
- .id = 0x479,
- .revs = stm32_479_revs,
- .num_revs = ARRAY_SIZE(stm32_479_revs),
+ .id = DEVID_STM32G49_G4AXX,
+ .revs = stm32g49_g4axx_revs,
+ .num_revs = ARRAY_SIZE(stm32g49_g4axx_revs),
.device_str = "STM32G49/G4Axx",
.max_flash_size_kb = 512,
.flags = F_NONE,
.otp_size = 1024,
},
{
- .id = 0x482,
- .revs = stm32_482_revs,
- .num_revs = ARRAY_SIZE(stm32_482_revs),
+ .id = DEVID_STM32U57_U58XX,
+ .revs = stm32u57_u58xx_revs,
+ .num_revs = ARRAY_SIZE(stm32u57_u58xx_revs),
.device_str = "STM32U57/U58xx",
.max_flash_size_kb = 2048,
.flags = F_HAS_DUAL_BANK | F_QUAD_WORD_PROG | F_HAS_TZ | F_HAS_L5_FLASH_REGS,
.otp_size = 512,
},
{
- .id = 0x495,
- .revs = stm32_495_revs,
- .num_revs = ARRAY_SIZE(stm32_495_revs),
+ .id = DEVID_STM32WB1XX,
+ .revs = stm32wb1xx_revs,
+ .num_revs = ARRAY_SIZE(stm32wb1xx_revs),
+ .device_str = "STM32WB1x",
+ .max_flash_size_kb = 320,
+ .flags = F_NONE,
+ .flash_regs_base = 0x58004000,
+ .fsize_addr = 0x1FFF75E0,
+ .otp_base = 0x1FFF7000,
+ .otp_size = 1024,
+ },
+ {
+ .id = DEVID_STM32WB5XX,
+ .revs = stm32wb5xx_revs,
+ .num_revs = ARRAY_SIZE(stm32wb5xx_revs),
.device_str = "STM32WB5x",
.max_flash_size_kb = 1024,
.flags = F_NONE,
.otp_size = 1024,
},
{
- .id = 0x496,
- .revs = stm32_496_revs,
- .num_revs = ARRAY_SIZE(stm32_496_revs),
+ .id = DEVID_STM32WB3XX,
+ .revs = stm32wb3xx_revs,
+ .num_revs = ARRAY_SIZE(stm32wb3xx_revs),
.device_str = "STM32WB3x",
.max_flash_size_kb = 512,
.flags = F_NONE,
.otp_size = 1024,
},
{
- .id = 0x497,
- .revs = stm32_497_revs,
- .num_revs = ARRAY_SIZE(stm32_497_revs),
- .device_str = "STM32WLEx/WL5x",
+ .id = DEVID_STM32WLE_WL5XX,
+ .revs = stm32wle_wl5xx_revs,
+ .num_revs = ARRAY_SIZE(stm32wle_wl5xx_revs),
+ .device_str = "STM32WLE/WL5x",
.max_flash_size_kb = 256,
.flags = F_NONE,
.flash_regs_base = 0x58004000,
stm32l4_info->probed = false;
stm32l4_info->otp_enabled = false;
stm32l4_info->user_bank_size = bank->size;
- stm32l4_info->use_flashloader = true;
return ERROR_OK;
}
if (dev_bank_id != STM32_BANK1 && stm32l4_info->dual_bank_mode)
wrp2y_sectors_offset = stm32l4_info->bank1_sectors;
- if (wrp2y_sectors_offset > -1) {
+ if (wrp2y_sectors_offset >= 0) {
/* get WRP2AR */
ret = stm32l4_get_one_wrpxy(bank, &wrpxy[(*n_wrp)++], STM32_FLASH_WRP2AR_INDEX, wrp2y_sectors_offset);
if (ret != ERROR_OK)
return retval2;
}
-static int stm32l4_protect(struct flash_bank *bank, int set, unsigned int first, unsigned int last)
+static int stm32l4_protect_same_bank(struct flash_bank *bank, enum stm32_bank_id bank_id, int set,
+ unsigned int first, unsigned int last)
{
- struct target *target = bank->target;
- struct stm32l4_flash_bank *stm32l4_info = bank->driver_priv;
- int ret = ERROR_OK;
unsigned int i;
- if (stm32l4_is_otp(bank)) {
- LOG_ERROR("cannot protect/unprotect OTP memory");
- return ERROR_FLASH_OPER_UNSUPPORTED;
- }
-
- if (target->state != TARGET_HALTED) {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- /* the requested sectors could be located into bank1 and/or bank2 */
- bool use_bank2 = false;
- if (last >= stm32l4_info->bank1_sectors) {
- if (first < stm32l4_info->bank1_sectors) {
- /* the requested sectors for (un)protection are shared between
- * bank 1 and 2, then split the operation */
-
- /* 1- deal with bank 1 sectors */
- LOG_DEBUG("The requested sectors for %s are shared between bank 1 and 2",
- set ? "protection" : "unprotection");
- ret = stm32l4_protect(bank, set, first, stm32l4_info->bank1_sectors - 1);
- if (ret != ERROR_OK)
- return ret;
-
- /* 2- then continue with bank 2 sectors */
- first = stm32l4_info->bank1_sectors;
- }
-
- use_bank2 = true;
- }
-
- /* refresh the sectors' protection */
- ret = stm32l4_protect_check(bank);
- if (ret != ERROR_OK)
- return ret;
-
/* check if the desired protection is already configured */
for (i = first; i <= last; i++) {
if (bank->sectors[i].is_protected != set)
unsigned int n_wrp;
struct stm32l4_wrp wrpxy[4];
- ret = stm32l4_get_all_wrpxy(bank, use_bank2 ? STM32_BANK2 : STM32_BANK1, wrpxy, &n_wrp);
+ int ret = stm32l4_get_all_wrpxy(bank, bank_id, wrpxy, &n_wrp);
if (ret != ERROR_OK)
return ret;
return stm32l4_write_all_wrpxy(bank, wrpxy, n_wrp);
}
+static int stm32l4_protect(struct flash_bank *bank, int set, unsigned int first, unsigned int last)
+{
+ struct target *target = bank->target;
+ struct stm32l4_flash_bank *stm32l4_info = bank->driver_priv;
+
+ if (stm32l4_is_otp(bank)) {
+ LOG_ERROR("cannot protect/unprotect OTP memory");
+ return ERROR_FLASH_OPER_UNSUPPORTED;
+ }
+
+ if (target->state != TARGET_HALTED) {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ /* refresh the sectors' protection */
+ int ret = stm32l4_protect_check(bank);
+ if (ret != ERROR_OK)
+ return ret;
+
+ /* the requested sectors could be located into bank1 and/or bank2 */
+ if (last < stm32l4_info->bank1_sectors) {
+ return stm32l4_protect_same_bank(bank, STM32_BANK1, set, first, last);
+ } else if (first >= stm32l4_info->bank1_sectors) {
+ return stm32l4_protect_same_bank(bank, STM32_BANK2, set, first, last);
+ } else {
+ ret = stm32l4_protect_same_bank(bank, STM32_BANK1, set, first, stm32l4_info->bank1_sectors - 1);
+ if (ret != ERROR_OK)
+ return ret;
+
+ return stm32l4_protect_same_bank(bank, STM32_BANK2, set, stm32l4_info->bank1_sectors, last);
+ }
+}
+
/* count is the size divided by stm32l4_info->data_width */
static int stm32l4_write_block(struct flash_bank *bank, const uint8_t *buffer,
uint32_t offset, uint32_t count)
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARM_MODE_THREAD;
- init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT); /* buffer start, status (out) */
+ /* contrib/loaders/flash/stm32/stm32l4x.c:write() arguments */
+ init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT); /* stm32l4_work_area ptr , status (out) */
init_reg_param(®_params[1], "r1", 32, PARAM_OUT); /* buffer end */
init_reg_param(®_params[2], "r2", 32, PARAM_OUT); /* target address */
init_reg_param(®_params[3], "r3", 32, PARAM_OUT); /* count (of stm32l4_info->data_width) */
- init_reg_param(®_params[4], "sp", 32, PARAM_OUT); /* write algo stack pointer */
buf_set_u32(reg_params[0].value, 0, 32, source->address);
buf_set_u32(reg_params[1].value, 0, 32, source->address + source->size);
buf_set_u32(reg_params[2].value, 0, 32, address);
buf_set_u32(reg_params[3].value, 0, 32, count);
+
+ /* write algo stack pointer */
+ init_reg_param(®_params[4], "sp", 32, PARAM_OUT);
buf_set_u32(reg_params[4].value, 0, 32, source->address +
offsetof(struct stm32l4_work_area, stack) + LDR_STACK_SIZE);
if (retval != ERROR_OK)
goto err_lock;
- if (stm32l4_info->use_flashloader) {
- /* For TrustZone enabled devices, when TZEN is set and RDP level is 0.5,
- * the debug is possible only in non-secure state.
- * Thus means the flashloader will run in non-secure mode,
- * and the workarea need to be in non-secure RAM */
- if (stm32l4_info->tzen && (stm32l4_info->rdp == RDP_LEVEL_0_5))
- LOG_INFO("RDP level is 0.5, the work-area should reside in non-secure RAM");
- retval = stm32l4_write_block(bank, buffer, offset,
- count / stm32l4_info->data_width);
- }
+ /* For TrustZone enabled devices, when TZEN is set and RDP level is 0.5,
+ * the debug is possible only in non-secure state.
+ * Thus means the flashloader will run in non-secure mode,
+ * and the workarea need to be in non-secure RAM */
+ if (stm32l4_info->tzen && (stm32l4_info->rdp == RDP_LEVEL_0_5))
+ LOG_WARNING("RDP = 0x55, the work-area should be in non-secure RAM (check SAU partitioning)");
+
+ /* first try to write using the loader, for better performance */
+ retval = stm32l4_write_block(bank, buffer, offset,
+ count / stm32l4_info->data_width);
- if (!stm32l4_info->use_flashloader || retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE) {
- LOG_INFO("falling back to single memory accesses");
+ /* if resources are not available write without a loader */
+ if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE) {
+ LOG_WARNING("falling back to programming without a flash loader (slower)");
retval = stm32l4_write_block_without_loader(bank, buffer, offset,
count / stm32l4_info->data_width);
}
static int stm32l4_read_idcode(struct flash_bank *bank, uint32_t *id)
{
- int retval;
+ int retval = ERROR_OK;
+ struct target *target = bank->target;
/* try reading possible IDCODE registers, in the following order */
uint32_t dbgmcu_idcode[] = {DBGMCU_IDCODE_L4_G4, DBGMCU_IDCODE_G0, DBGMCU_IDCODE_L5};
for (unsigned int i = 0; i < ARRAY_SIZE(dbgmcu_idcode); i++) {
- retval = target_read_u32(bank->target, dbgmcu_idcode[i], id);
+ retval = target_read_u32(target, dbgmcu_idcode[i], id);
if ((retval == ERROR_OK) && ((*id & 0xfff) != 0) && ((*id & 0xfff) != 0xfff))
return ERROR_OK;
}
* DBGMCU_IDCODE cannot be read using CPU1 (Cortex-M0+) at AP1,
* to solve this read the UID64 (IEEE 64-bit unique device ID register) */
- struct cortex_m_common *cortex_m = target_to_cm(bank->target);
+ struct armv7m_common *armv7m = target_to_armv7m_safe(target);
+ if (!armv7m) {
+ LOG_ERROR("Flash requires Cortex-M target");
+ return ERROR_TARGET_INVALID;
+ }
- if (cortex_m->core_info->partno == CORTEX_M0P_PARTNO && cortex_m->armv7m.debug_ap->ap_num == 1) {
+ /* CPU2 (Cortex-M0+) is supported only with non-hla adapters because it is on AP1.
+ * Using HLA adapters armv7m.debug_ap is null, and checking ap_num triggers a segfault */
+ if (cortex_m_get_partno_safe(target) == CORTEX_M0P_PARTNO &&
+ armv7m->debug_ap && armv7m->debug_ap->ap_num == 1) {
uint32_t uid64_ids;
/* UID64 is contains
*
* read only the fixed values {STID,DEVID} from UID64_IDS to identify the device as STM32WLx
*/
- retval = target_read_u32(bank->target, UID64_IDS, &uid64_ids);
+ retval = target_read_u32(target, UID64_IDS, &uid64_ids);
if (retval == ERROR_OK && uid64_ids == UID64_IDS_STM32WL) {
- /* force the DEV_ID to 0x497 and the REV_ID to unknown */
- *id = 0x00000497;
+ /* force the DEV_ID to DEVID_STM32WLE_WL5XX and the REV_ID to unknown */
+ *id = DEVID_STM32WLE_WL5XX;
return ERROR_OK;
}
}
static int stm32l4_probe(struct flash_bank *bank)
{
struct target *target = bank->target;
- struct armv7m_common *armv7m = target_to_armv7m(target);
struct stm32l4_flash_bank *stm32l4_info = bank->driver_priv;
const struct stm32l4_part_info *part_info;
uint16_t flash_size_kb = 0xffff;
+ if (!target_was_examined(target)) {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_TARGET_NOT_EXAMINED;
+ }
+
+ struct armv7m_common *armv7m = target_to_armv7m_safe(target);
+ if (!armv7m) {
+ LOG_ERROR("Flash requires Cortex-M target");
+ return ERROR_TARGET_INVALID;
+ }
+
stm32l4_info->probed = false;
/* read stm32 device id registers */
* Ask the flash infrastructure to ensure required alignment */
bank->write_start_alignment = bank->write_end_alignment = stm32l4_info->data_width;
- /* initialise the flash registers layout */
+ /* Initialize the flash registers layout */
if (part_info->flags & F_HAS_L5_FLASH_REGS)
stm32l4_info->flash_regs = stm32l5_ns_flash_regs;
else
stm32l4_sync_rdp_tzen(bank);
- /* for devices with trustzone, use flash secure registers when TZEN=1 and RDP is LEVEL_0 */
+ /* for devices with TrustZone, use flash secure registers when TZEN=1 and RDP is LEVEL_0 */
if (stm32l4_info->tzen && (stm32l4_info->rdp == RDP_LEVEL_0)) {
if (part_info->flags & F_HAS_L5_FLASH_REGS) {
stm32l4_info->flash_regs_base |= STM32L5_REGS_SEC_OFFSET;
/* did we assign a flash size? */
assert((flash_size_kb != 0xffff) && flash_size_kb);
+ const bool is_max_flash_size = flash_size_kb == stm32l4_info->part_info->max_flash_size_kb;
+
stm32l4_info->bank1_sectors = 0;
stm32l4_info->hole_sectors = 0;
int page_size_kb = 0;
stm32l4_info->dual_bank_mode = false;
- bool use_dbank_bit = false;
switch (device_id) {
- case 0x415: /* STM32L47/L48xx */
- case 0x461: /* STM32L49/L4Axx */
+ case DEVID_STM32L47_L48XX:
+ case DEVID_STM32L49_L4AXX:
/* if flash size is max (1M) the device is always dual bank
- * 0x415: has variants with 512K
- * 0x461: has variants with 512 and 256
+ * STM32L47/L48xx: has variants with 512K
+ * STM32L49/L4Axx: has variants with 512 and 256
* for these variants:
* if DUAL_BANK = 0 -> single bank
* else -> dual bank without gap
num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages;
- /* check DUAL_BANK bit[21] if the flash is less than 1M */
- if (flash_size_kb == 1024 || (stm32l4_info->optr & BIT(21))) {
+ /* check DUAL_BANK option bit if the flash is less than 1M */
+ if (is_max_flash_size || (stm32l4_info->optr & FLASH_L4_DUAL_BANK)) {
stm32l4_info->dual_bank_mode = true;
stm32l4_info->bank1_sectors = num_pages / 2;
}
break;
- case 0x435: /* STM32L43/L44xx */
- case 0x460: /* STM32G07/G08xx */
- case 0x462: /* STM32L45/L46xx */
- case 0x464: /* STM32L41/L42xx */
- case 0x466: /* STM32G03/G04xx */
- case 0x468: /* STM32G43/G44xx */
- case 0x479: /* STM32G49/G4Axx */
+ case DEVID_STM32L43_L44XX:
+ case DEVID_STM32G05_G06XX:
+ case DEVID_STM32G07_G08XX:
+ case DEVID_STM32L45_L46XX:
+ case DEVID_STM32L41_L42XX:
+ case DEVID_STM32G03_G04XX:
+ case DEVID_STM32G43_G44XX:
+ case DEVID_STM32G49_G4AXX:
+ case DEVID_STM32WB1XX:
/* single bank flash */
page_size_kb = 2;
num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages;
break;
- case 0x467: /* STM32G0B/G0Cxx */
- /* single/dual bank depending on bit(21) */
+ case DEVID_STM32G0B_G0CXX:
+ /* single/dual bank depending on DUAL_BANK option bit */
page_size_kb = 2;
num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages;
stm32l4_info->cr_bker_mask = FLASH_BKER_G0;
/* check DUAL_BANK bit */
- if (stm32l4_info->optr & BIT(21)) {
+ if (stm32l4_info->optr & FLASH_G0_DUAL_BANK) {
stm32l4_info->sr_bsy_mask = FLASH_BSY | FLASH_BSY2;
stm32l4_info->dual_bank_mode = true;
stm32l4_info->bank1_sectors = num_pages / 2;
}
break;
- case 0x469: /* STM32G47/G48xx */
+ case DEVID_STM32G47_G48XX:
/* STM32G47/8 can be single/dual bank:
* if DUAL_BANK = 0 -> single bank
* else -> dual bank WITH gap
page_size_kb = 4;
num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages;
- if (stm32l4_info->optr & BIT(22)) {
+ if (stm32l4_info->optr & FLASH_G4_DUAL_BANK) {
stm32l4_info->dual_bank_mode = true;
page_size_kb = 2;
num_pages = flash_size_kb / page_size_kb;
(part_info->max_flash_size_kb - flash_size_kb) / (2 * page_size_kb);
}
break;
- case 0x470: /* STM32L4R/L4Sxx */
- case 0x471: /* STM32L4P5/L4Q5x */
+ case DEVID_STM32L4R_L4SXX:
+ case DEVID_STM32L4P_L4QXX:
/* STM32L4R/S can be single/dual bank:
- * if size = 2M check DBANK bit(22)
- * if size = 1M check DB1M bit(21)
+ * if size = 2M check DBANK bit
+ * if size = 1M check DB1M bit
* STM32L4P/Q can be single/dual bank
- * if size = 1M check DBANK bit(22)
- * if size = 512K check DB512K bit(21)
+ * if size = 1M check DBANK bit
+ * if size = 512K check DB512K bit (same as DB1M bit)
*/
page_size_kb = 8;
num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages;
- use_dbank_bit = flash_size_kb == part_info->max_flash_size_kb;
- if ((use_dbank_bit && (stm32l4_info->optr & BIT(22))) ||
- (!use_dbank_bit && (stm32l4_info->optr & BIT(21)))) {
+ if ((is_max_flash_size && (stm32l4_info->optr & FLASH_L4R_DBANK)) ||
+ (!is_max_flash_size && (stm32l4_info->optr & FLASH_LRR_DB1M))) {
stm32l4_info->dual_bank_mode = true;
page_size_kb = 4;
num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages / 2;
}
break;
- case 0x472: /* STM32L55/L56xx */
+ case DEVID_STM32L55_L56XX:
/* STM32L55/L56xx can be single/dual bank:
- * if size = 512K check DBANK bit(22)
- * if size = 256K check DB256K bit(21)
+ * if size = 512K check DBANK bit
+ * if size = 256K check DB256K bit
+ *
+ * default page size is 4kb, if DBANK = 1, the page size is 2kb.
*/
- page_size_kb = 4;
+
+ page_size_kb = (stm32l4_info->optr & FLASH_L5_DBANK) ? 2 : 4;
num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages;
- use_dbank_bit = flash_size_kb == part_info->max_flash_size_kb;
- if ((use_dbank_bit && (stm32l4_info->optr & BIT(22))) ||
- (!use_dbank_bit && (stm32l4_info->optr & BIT(21)))) {
+
+ if ((is_max_flash_size && (stm32l4_info->optr & FLASH_L5_DBANK)) ||
+ (!is_max_flash_size && (stm32l4_info->optr & FLASH_L5_DB256))) {
stm32l4_info->dual_bank_mode = true;
- page_size_kb = 2;
- num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages / 2;
}
break;
- case 0x482: /* STM32U57/U58xx */
+ case DEVID_STM32U57_U58XX:
/* if flash size is max (2M) the device is always dual bank
- * otherwise check DUALBANK bit(21)
+ * otherwise check DUALBANK
*/
page_size_kb = 8;
num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages;
- if ((flash_size_kb == part_info->max_flash_size_kb) || (stm32l4_info->optr & BIT(21))) {
+ if (is_max_flash_size || (stm32l4_info->optr & FLASH_U5_DUALBANK)) {
stm32l4_info->dual_bank_mode = true;
stm32l4_info->bank1_sectors = num_pages / 2;
}
break;
- case 0x495: /* STM32WB5x */
- case 0x496: /* STM32WB3x */
+ case DEVID_STM32WB5XX:
+ case DEVID_STM32WB3XX:
/* single bank flash */
page_size_kb = 4;
num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages;
break;
- case 0x497: /* STM32WLEx/WL5x */
+ case DEVID_STM32WLE_WL5XX:
/* single bank flash */
page_size_kb = 2;
num_pages = flash_size_kb / page_size_kb;
stm32l4_info->bank1_sectors = num_pages;
- if (armv7m->debug_ap->ap_num == 1)
+
+ /* CPU2 (Cortex-M0+) is supported only with non-hla adapters because it is on AP1.
+ * Using HLA adapters armv7m->debug_ap is null, and checking ap_num triggers a segfault */
+ if (armv7m->debug_ap && armv7m->debug_ap->ap_num == 1)
stm32l4_info->flash_regs = stm32wl_cpu2_flash_regs;
break;
default:
return ERROR_FAIL;
}
+ /* ensure that at least there is 1 flash sector / page */
+ if (num_pages == 0) {
+ if (stm32l4_info->user_bank_size)
+ LOG_ERROR("The specified flash size is less than page size");
+
+ LOG_ERROR("Flash pages count cannot be zero");
+ return ERROR_FAIL;
+ }
+
LOG_INFO("flash mode : %s-bank", stm32l4_info->dual_bank_mode ? "dual" : "single");
const int gap_size_kb = stm32l4_info->hole_sectors * page_size_kb;
/* use *max_flash_size* instead of actual size as the trimmed versions
* certainly use the same number of bits
- * max_flash_size is always power of two, so max_pages too
*/
uint32_t max_pages = stm32l4_info->part_info->max_flash_size_kb / page_size_kb;
- assert(IS_PWR_OF_2(max_pages));
/* in dual bank mode number of pages is doubled, but extra bit is bank selection */
stm32l4_info->wrpxxr_mask = ((max_pages >> (stm32l4_info->dual_bank_mode ? 1 : 0)) - 1);
if (stm32l4_info->probed) {
uint32_t optr_cur;
+ /* save flash_regs_base */
+ uint32_t saved_flash_regs_base = stm32l4_info->flash_regs_base;
+
+ /* for devices with TrustZone, use NS flash registers to read OPTR */
+ if (stm32l4_info->part_info->flags & F_HAS_L5_FLASH_REGS)
+ stm32l4_info->flash_regs_base &= ~STM32L5_REGS_SEC_OFFSET;
+
/* read flash option register and re-probe if optr value is changed */
int retval = stm32l4_read_flash_reg_by_index(bank, STM32_FLASH_OPTR_INDEX, &optr_cur);
+
+ /* restore saved flash_regs_base */
+ stm32l4_info->flash_regs_base = saved_flash_regs_base;
+
if (retval != ERROR_OK)
return retval;
return stm32l4_perform_obl_launch(bank);
}
-COMMAND_HANDLER(stm32l4_handle_flashloader_command)
-{
- if (CMD_ARGC < 1 || CMD_ARGC > 2)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- struct flash_bank *bank;
- int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
- if (retval != ERROR_OK)
- return retval;
-
- struct stm32l4_flash_bank *stm32l4_info = bank->driver_priv;
-
- if (CMD_ARGC == 2)
- COMMAND_PARSE_ENABLE(CMD_ARGV[1], stm32l4_info->use_flashloader);
-
- command_print(CMD, "FlashLoader usage is %s", stm32l4_info->use_flashloader ? "enabled" : "disabled");
-
- return ERROR_OK;
-}
-
COMMAND_HANDLER(stm32l4_handle_option_load_command)
{
if (CMD_ARGC != 1)
.usage = "bank_id",
.help = "Unlock entire protected flash device.",
},
- {
- .name = "flashloader",
- .handler = stm32l4_handle_flashloader_command,
- .mode = COMMAND_EXEC,
- .usage = "<bank_id> [enable|disable]",
- .help = "Configure the flashloader usage",
- },
{
.name = "mass_erase",
.handler = stm32l4_handle_mass_erase_command,
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