Hi,
Based on previous threads on the matter:
https://devzone.nordicsemi.com/f/nordic-q-a/52686/buttonless-dfu-on-nrf52832_xxab
And how old this issue is (v15.3.0), I've decided to summerize the workaround I have created for this, and hopefully this will be included in the next SDK version:
1 From 782baa241fbc93f25305417ec29c319126539d34 Mon Sep 17 00:00:00 2001
2 From: Shahar Hadas <[email protected]>
3 Date: Thu, 23 Dec 2021 13:11:39 -0500
4 Subject: [PATCH] Fix support for NRF52832_XXAB in bootloader
5
6 ---
7 components/libraries/bootloader/dfu/nrf_dfu_types.h | 4 ++++
8 .../libraries/bootloader/nrf_bootloader_fw_activation.c | 4 ++--
9 components/libraries/bootloader/nrf_bootloader_info.c | 2 +-
10 3 files changed, 7 insertions(+), 3 deletions(-)
11
12 diff --git a/components/libraries/bootloader/dfu/nrf_dfu_types.h b/components/libraries/bootloader/dfu/nrf_dfu_types.h
13 index cd2d7ef..8d960f1 100644
14 --- a/components/libraries/bootloader/dfu/nrf_dfu_types.h
15 +++ b/components/libraries/bootloader/dfu/nrf_dfu_types.h
16 @@ -101,6 +101,8 @@ extern "C" {
17 #define BOOTLOADER_SETTINGS_ADDRESS (0x0003F000UL)
18 #elif defined( NRF52832_XXAA )
19 #define BOOTLOADER_SETTINGS_ADDRESS (0x0007F000UL)
20 +#elif defined( NRF52832_XXAB )
21 + #define BOOTLOADER_SETTINGS_ADDRESS (0x0003F000UL)
22 #elif defined( NRF52833_XXAA )
23 #define BOOTLOADER_SETTINGS_ADDRESS (0x0007F000UL)
24 #elif defined(NRF52840_XXAA)
25 @@ -118,6 +120,8 @@ extern "C" {
26 #define NRF_MBR_PARAMS_PAGE_ADDRESS (0x000FE000UL)
27 #elif defined(NRF52832_XXAA)
28 #define NRF_MBR_PARAMS_PAGE_ADDRESS (0x0007E000UL)
29 +#elif defined(NRF52832_XXAB)
30 + #define NRF_MBR_PARAMS_PAGE_ADDRESS (0x0003E000UL)
31 #elif defined(NRF52833_XXAA)
32 #define NRF_MBR_PARAMS_PAGE_ADDRESS (0x0007E000UL)
33 #elif defined(NRF52810_XXAA)
34 diff --git a/components/libraries/bootloader/nrf_bootloader_fw_activation.c b/components/libraries/bootloader/nrf_bootloader_fw_activation.c
35 index 91168b8..8be4bfe 100644
36 --- a/components/libraries/bootloader/nrf_bootloader_fw_activation.c
37 +++ b/components/libraries/bootloader/nrf_bootloader_fw_activation.c
38 @@ -287,13 +287,13 @@ static uint32_t bl_activate(void)
39 // This code is a configurable workaround for updating SD+BL from SDK 12.x.y - 14.1.0
40 // SoftDevice size increase would lead to unaligned source address when comparing new BL in SD+BL updates.
41 // This workaround is not required once BL is successfully installed with a version that is compiled SDK 14.1.0
42 -#if defined(NRF52832_XXAA) && defined(BLE_STACK_SUPPORT_REQD)
43 +#if (defined(NRF52832_XXAA) || defined(NRF52832_XXAB)) && defined(BLE_STACK_SUPPORT_REQD)
44 if ((p_bank->bank_code == NRF_DFU_BANK_VALID_SD_BL) &&
45 (memcmp((void *)BOOTLOADER_START_ADDR, (void *)(src_addr - 0x4000), len) == 0))
46 {
47 ret_val = NRF_SUCCESS;
48 }
49 -#endif // defined(NRF52832_XXAA)
50 +#endif // defined(NRF52832_XXAA) || defined(NRF52832_XXAB)
51
52 // Check if the BL has already been copied.
53 if ((ret_val != NRF_SUCCESS) &&
54 diff --git a/components/libraries/bootloader/nrf_bootloader_info.c b/components/libraries/bootloader/nrf_bootloader_info.c
55 index 01e0441..467efd5 100644
56 --- a/components/libraries/bootloader/nrf_bootloader_info.c
57 +++ b/components/libraries/bootloader/nrf_bootloader_info.c
58 @@ -81,7 +81,7 @@ void nrf_bootloader_debug_port_disable(void)
59 nrf_nvmc_write_word((uint32_t)&NRF_UICR->APPROTECT, 0x0);
60 NVIC_SystemReset();
61 }
62 -#if (!defined (NRF52810_XXAA) && !defined (NRF52811_XXAA) && !defined (NRF52832_XXAA) && !defined (NRF52832_XXAB))
63 +#if (!defined (NRF52810_XXAA) && !defined (NRF52811_XXAA) && !defined (NRF52832_XXAA) && !defined (NRF52832_XXAB) && !defined (NRF52832_XXAB))
64 if (NRF_UICR->DEBUGCTRL != 0x0)
65 {
66 nrf_nvmc_write_word((uint32_t)&NRF_UICR->DEBUGCTRL, 0x0);
67 --
68 2.34.1
69
