@end deffn
@deffn {Flash Driver} {bluenrg-x}
-STMicroelectronics BlueNRG-1, BlueNRG-2 and BlueNRG-LP Bluetooth low energy wireless system-on-chip. They include ARM Cortex-M0/M0+ core and internal flash memory.
+STMicroelectronics BlueNRG-1, BlueNRG-2 and BlueNRG-LP/LPS Bluetooth low energy wireless system-on-chip. They include ARM Cortex-M0/M0+ core and internal flash memory.
The driver automatically recognizes these chips using
the chip identification registers, and autoconfigures itself.
#define JTAG_IDCODE_REG(bluenrgx_info) (bluenrgx_info->flash_ptr->jtag_idcode_reg)
#define FLASH_PAGE_SIZE(bluenrgx_info) (bluenrgx_info->flash_ptr->flash_page_size)
+#define FLASH_SIZE_REG_MASK (0xFFFF)
+
struct flash_ctrl_priv_data {
uint32_t die_id_reg;
uint32_t jtag_idcode_reg;
.part_name = "BLUENRG-LP",
};
+static const struct flash_ctrl_priv_data flash_priv_data_lps = {
+ .die_id_reg = 0x40000000,
+ .jtag_idcode_reg = 0x40000004,
+ .flash_base = 0x10040000,
+ .flash_regs_base = 0x40001000,
+ .flash_page_size = 2048,
+ .jtag_idcode = 0x02028041,
+ .part_name = "BLUENRG-LPS",
+};
+
struct bluenrgx_flash_bank {
bool probed;
uint32_t die_id;
static const struct flash_ctrl_priv_data *flash_ctrl[] = {
&flash_priv_data_1,
&flash_priv_data_2,
- &flash_priv_data_lp
-};
+ &flash_priv_data_lp,
+ &flash_priv_data_lps};
/* flash_bank bluenrg-x 0 0 0 0 <target#> */
FLASH_BANK_COMMAND_HANDLER(bluenrgx_flash_bank_command)
if (retval != ERROR_OK)
return retval;
- if (idcode != flash_priv_data_lp.jtag_idcode) {
+ if ((idcode != flash_priv_data_lp.jtag_idcode) && (idcode != flash_priv_data_lps.jtag_idcode)) {
retval = target_read_u32(bank->target, BLUENRG2_JTAG_REG, &idcode);
if (retval != ERROR_OK)
return retval;
}
}
retval = bluenrgx_read_flash_reg(bank, FLASH_SIZE_REG, &size_info);
+ size_info = size_info & FLASH_SIZE_REG_MASK;
if (retval != ERROR_OK)
return retval;
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-or-later.
+# This is an evaluation board with a single BlueNRG-LPS chip.
+set CHIPNAME bluenrg-lps
+source [find interface/cmsis-dap.cfg]
+source [find target/bluenrg-x.cfg]
\ No newline at end of file
cortex_m reset_config sysresetreq
}
+set JTAG_IDCODE_B2 0x0200A041
+set JTAG_IDCODE_B1 0x0
+
$_TARGETNAME configure -event halted {
global WDOG_VALUE
global WDOG_VALUE_SET
set _JTAG_IDCODE [mrw 0x40000004]
- if {$_JTAG_IDCODE != 0x0201E041} {
+ if {$_JTAG_IDCODE == $JTAG_IDCODE_B2 || $_JTAG_IDCODE == $JTAG_IDCODE_B1} {
# Stop watchdog during halt, if enabled. Only Bluenrg-1/2
set WDOG_VALUE [mrw 0x40700008]
if [expr {$WDOG_VALUE & (1 << 1)}] {
global WDOG_VALUE
global WDOG_VALUE_SET
set _JTAG_IDCODE [mrw 0x40000004]
- if {$_JTAG_IDCODE != 0x0201E041} {
+ if {$_JTAG_IDCODE == $JTAG_IDCODE_B2 || $_JTAG_IDCODE == $JTAG_IDCODE_B1} {
if {$WDOG_VALUE_SET} {
# Restore watchdog enable value after resume. Only Bluenrg-1/2
mww 0x40700008 $WDOG_VALUE