diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f33d7eca..043bb4ef 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,3 +22,5 @@ jobs:
       run: docker run rebbleos make snowy
     - name: Build asterix
       run: docker run rebbleos make asterix
+    - name: Build asterix dvb2
+      run: docker run rebbleos make asterix_vla_dvb2
diff --git a/Apps/System/testapp.c b/Apps/System/testapp.c
index cc251a7f..a6e5d696 100644
--- a/Apps/System/testapp.c
+++ b/Apps/System/testapp.c
@@ -14,7 +14,7 @@
 
 static Window *s_main_window;
 static Menu *s_menu;
-StatusBarLayer *status_bar;
+static StatusBarLayer *status_bar;
 
 static void testapp_exec_window_unload(Window *window);
 static void _reset_menu_items(void);
diff --git a/Apps/System/widgettest.c b/Apps/System/widgettest.c
index a3ce1cb6..4361a682 100644
--- a/Apps/System/widgettest.c
+++ b/Apps/System/widgettest.c
@@ -18,7 +18,7 @@ const char * const test_name = "Test";
 static Window *s_main_window;
 
 ActionBarLayer *action_bar;
-StatusBarLayer *status_bar;
+static StatusBarLayer *status_bar;
 
 typedef struct {
     uint8_t hours;
diff --git a/Utilities/stm32_crc.py b/Utilities/stm32_crc.py
index 1c0bd08d..ad8119aa 100644
--- a/Utilities/stm32_crc.py
+++ b/Utilities/stm32_crc.py
@@ -9,7 +9,10 @@ def process_word(data, crc=0xffffffff):
         for x in range(0, 4 - len(data)):
             d_array.insert(0,0)
         d_array.reverse()
-        data = d_array.tostring()
+        try:
+            data = d_array.tobytes()
+        except:
+            data = d_array.tostring()
 
     d = array.array('I', data)[0]
     crc = crc ^ d
diff --git a/hw/drivers/nrf52_ls013b7dh05/nrf52_ls013b7dh05.c b/hw/drivers/nrf52_ls013b7dh05/nrf52_ls013b7dh05.c
index 3a5a6ca6..52726bd9 100644
--- a/hw/drivers/nrf52_ls013b7dh05/nrf52_ls013b7dh05.c
+++ b/hw/drivers/nrf52_ls013b7dh05/nrf52_ls013b7dh05.c
@@ -12,7 +12,13 @@
 
 #define DISPLAY_LINES_PER_CHUNK 21 /* 8 chunks per frame */
 
+#ifdef BOARD_QSPI_SHARED_DISPLAY
+extern void nrf52_spi_lock();
+extern void nrf52_spi_unlock();
+#endif
+
 static void _spi_handler(const nrfx_spim_evt_t *p_event, void *p_context) {
+    nrf52_spi_unlock();
     display_done_isr(0);
 }
 
@@ -78,6 +84,7 @@ uint8_t hw_display_process_isr() {
     _dispbuf[p++] = 0;
 
     _spi_desc.tx_length = p;
+    nrf52_spi_lock(); /* handled in _spi_handler */
     err = nrfx_spim_xfer(&_display_spi, &_spi_desc, 0);
     assert(err == NRFX_SUCCESS);
     
diff --git a/hw/drivers/nrf52_qspi_flash/nrf52_qspi_flash.c b/hw/drivers/nrf52_qspi_flash/nrf52_qspi_flash.c
index 5920fb0a..acb0a22c 100644
--- a/hw/drivers/nrf52_qspi_flash/nrf52_qspi_flash.c
+++ b/hw/drivers/nrf52_qspi_flash/nrf52_qspi_flash.c
@@ -7,16 +7,64 @@
 
 #include <debug.h>
 #include "rebbleos.h"
+#include "nrf_gpio.h"
 #include "nrfx_qspi.h"
+#include "rtoswrap.h"
 
 /* Asterix has 128Mbit (16MB) of QSPI flash -- a W25Q128JV. */
 #define QSPI_JEDEC_ID_W25Q128JV 0xEF4018
 
-/* Asterix-Vla has 64Mbit (8MB) of QSPI flash - a XT25F64B. */
+/* Asterix-Vla-dvb1 and -dvb2 have 64Mbit (8MB) of QSPI flash - a XT25F64B. */
 #define QSPI_JEDEC_ID_XT25F64B 0x0B4017
 
 #include "board_config.h"
 
+#if BOARD_QSPI_SHARED_DISPLAY
+/* XXX: abstraction violation: would be nice not to call into rtoswrap stuff
+ * in HAL */
+static StaticSemaphore_t _nrf52_spi_lock_buf;
+static SemaphoreHandle_t _nrf52_spi_lock;
+
+void nrf52_spi_lock() {
+    xSemaphoreTake(_nrf52_spi_lock, portMAX_DELAY);
+}
+
+void nrf52_spi_unlock() {
+    if (xPortIsInsideInterrupt()) {
+        BaseType_t woken = pdFALSE;
+        
+        xSemaphoreGiveFromISR(_nrf52_spi_lock, &woken);
+        portYIELD_FROM_ISR(woken);
+        
+        return;
+    }
+    
+    xSemaphoreGive(_nrf52_spi_lock);
+}
+
+static void _qspi_prepare() {
+    nrf52_spi_lock();
+    nrf_qspi_enable(NRF_QSPI);
+}
+
+static void _qspi_teardown() {
+    nrf_qspi_disable(NRF_QSPI);
+    nrf52_spi_unlock();
+}
+#else
+void nrf52_spi_lock() {
+}
+
+void nrf52_spi_unlock() {
+}
+
+static void _qspi_prepare() {
+}
+
+static void _qspi_teardown() {
+}
+#endif
+
 #define QSPI_INSTR_JEDEC_ID 0x9F
 
 /* We can have out-of-band flash transactions -- like if we break in with
@@ -26,6 +74,7 @@ volatile static int _flash_sync = 0;
 static void _flash_handler(nrfx_qspi_evt_t event, void *ctx) {
     assert(event == NRFX_QSPI_EVENT_DONE);
     
+    _qspi_teardown();
     if (_flash_sync) {
         _flash_sync = 0;
         return;
@@ -34,6 +83,11 @@ static void _flash_handler(nrfx_qspi_evt_t event, void *ctx) {
 }
 
 void hw_flash_init() {
+#if BOARD_QSPI_SHARED_DISPLAY
+    _nrf52_spi_lock = xSemaphoreCreateBinaryStatic(&_nrf52_spi_lock_buf);
+    nrf52_spi_unlock();
+#endif
+
     nrfx_qspi_config_t config = NRFX_QSPI_DEFAULT_CONFIG;
     config.phy_if.sck_freq = NRF_QSPI_FREQ_32MDIV1;
     config.pins.sck_pin = BOARD_QSPI_SCK_PIN;
@@ -61,6 +115,9 @@ void hw_flash_init() {
         
         nrf_qspi_cinstr_conf_t instr = NRFX_QSPI_DEFAULT_CINSTR(QSPI_INSTR_JEDEC_ID, 4);
         uint8_t buf[16];
+        
+        /* We are single-threaded at this stage, so we do not need to
+         * nrf52_spi_lock().  */
         err = nrfx_qspi_cinstr_xfer(&instr, NULL, buf);
         assert(err == NRFX_SUCCESS && "QSPI JEDEC ID read failed");
 
@@ -78,6 +135,7 @@ void hw_flash_init() {
 void hw_flash_read_bytes(uint32_t addr, uint8_t *buf, size_t len) {
     nrfx_err_t err;
     
+    _qspi_prepare(); /* unlocked in ISR */
     err = nrfx_qspi_read(buf, len, addr);
     assert(err == NRFX_SUCCESS);
 }
@@ -86,14 +144,17 @@ void hw_flash_erase_64k_sync(uint32_t addr) {
     nrfx_err_t err;
     
     _flash_sync = 1;
+    _qspi_prepare(); /* unlocked in ISR */
     err = nrfx_qspi_erase(NRF_QSPI_ERASE_LEN_64KB, addr);
     assert(err == NRFX_SUCCESS);
 
     while (_flash_sync)
         ;
     
+    _qspi_prepare();
     while (nrfx_qspi_mem_busy_check() != NRFX_SUCCESS)
         ;
+    _qspi_teardown();
 }
 
 int hw_flash_erase_sync(uint32_t addr, uint32_t len) {
@@ -115,14 +176,17 @@ int hw_flash_write_sync(uint32_t addr, uint8_t *buf, size_t len) {
     assert((((uint32_t)buf) & 3) == 0);
 
     _flash_sync = 1;
+    _qspi_prepare(); /* unlocked in ISR */
     err = nrfx_qspi_write(buf, len, addr);
     assert(err == NRFX_SUCCESS);
 
     while (_flash_sync)
         ;
     
+    _qspi_prepare();
     while (nrfx_qspi_mem_busy_check() != NRFX_SUCCESS)
         ;
+    _qspi_teardown();
     
     return 0;
 }
diff --git a/hw/platform/asterix/board_config.h b/hw/platform/asterix/board_config.h
index 7a644422..f473b0c9 100644
--- a/hw/platform/asterix/board_config.h
+++ b/hw/platform/asterix/board_config.h
@@ -58,6 +58,31 @@
 
 #define BOARD_DISPLAY_ROT180
 
+#elif defined(ASTERIX_BOARD_VLA_DVB2)
+
+#define BOARD_BUTTON_BACK_PIN   NRF_GPIO_PIN_MAP(0,27)
+#define BOARD_BUTTON_UP_PIN     NRF_GPIO_PIN_MAP(1,0)
+#define BOARD_BUTTON_SELECT_PIN NRF_GPIO_PIN_MAP(0,11)
+#define BOARD_BUTTON_DOWN_PIN   NRF_GPIO_PIN_MAP(1,2)
+
+#define BOARD_DISPLAY_PIN_MOSI  NRF_GPIO_PIN_MAP(0,3)
+#define BOARD_DISPLAY_PIN_SCK   NRF_GPIO_PIN_MAP(0,2)
+#define BOARD_DISPLAY_PIN_SCS   NRF_GPIO_PIN_MAP(0,25)
+
+#define BOARD_QSPI_SCK_PIN      NRF_GPIO_PIN_MAP(0,2)
+#define BOARD_QSPI_CSN_PIN      NRF_GPIO_PIN_MAP(0,5)
+#define BOARD_QSPI_IO0_PIN      NRF_GPIO_PIN_MAP(0,3) /* MOSI */
+#define BOARD_QSPI_IO1_PIN      NRF_GPIO_PIN_MAP(0,4) /* MISO */
+#define BOARD_QSPI_SHARED_DISPLAY 1
+
+#define BOARD_QSPI_JEDEC_ID QSPI_JEDEC_ID_XT25F64B
+
+#define BOARD_DEBUG_UART_TXD 35
+
+#define BOARD_BACKLIGHT_PIN     NRF_GPIO_PIN_MAP(1,4)
+
+#define BOARD_DISPLAY_ROT180
+
 #else
 
 #error unknown Asterix board
diff --git a/hw/platform/asterix/config.mk b/hw/platform/asterix/config.mk
index 81952c7d..4428693e 100644
--- a/hw/platform/asterix/config.mk
+++ b/hw/platform/asterix/config.mk
@@ -43,3 +43,13 @@ HWREV_asterix_vla_dvb1 = asterix_vla_dvb1
 CFLAGS_asterix_vla_dvb1 += -DASTERIX_BOARD_VLA_DVB1
 
 PLATFORMS += asterix_vla_dvb1
+
+CFLAGS_asterix_vla_dvb2 = $(CFLAGS_asterix_common)
+SRCS_asterix_vla_dvb2 = $(SRCS_asterix_common)
+LDFLAGS_asterix_vla_dvb2 = $(LDFLAGS_asterix_common)
+LIBS_asterix_vla_dvb2 = $(LIBS_asterix_common)
+HWREV_asterix_vla_dvb2 = asterix_vla_dvb2
+
+CFLAGS_asterix_vla_dvb2 += -DASTERIX_BOARD_VLA_DVB2
+
+PLATFORMS += asterix_vla_dvb2
diff --git a/hw/platform/asterix/platform.h b/hw/platform/asterix/platform.h
index ce7e95b8..900fe298 100644
--- a/hw/platform/asterix/platform.h
+++ b/hw/platform/asterix/platform.h
@@ -50,6 +50,23 @@
 #define REGION_FS_N_PAGES       ((0x7E0000 - REGION_FS_START) / REGION_FS_PAGE_SIZE)
 #define REGION_FS_ERASE_SIZE    (64*1024)
 
+#elif defined(ASTERIX_BOARD_VLA_DVB2)
+
+/* Asterix-VLA has 8MB of flash. */
+
+/* Bootloader private area: 1MB */
+#define REGION_BOOTLOADER_START 0x0
+#define REGION_BOOTLOADER_SIZE  0x100000
+
+/* System resources: 1MB */
+#define REGION_RES_START 0x100000
+#define REGION_RES_SIZE  0x100000
+
+/* The rest of the filesystem: 6MB */
+#define REGION_FS_START         0x200000
+#define REGION_FS_PAGE_SIZE     0x2000
+#define REGION_FS_N_PAGES       ((0x7E0000 - REGION_FS_START) / REGION_FS_PAGE_SIZE)
+#define REGION_FS_ERASE_SIZE    (64*1024)
 #else
 
 #error incorrect board
diff --git a/res b/res
index 3e53cb2d..4746cac8 160000
--- a/res
+++ b/res
@@ -1 +1 @@
-Subproject commit 3e53cb2d05818129dd7b8645894ee0b3d8b65fbb
+Subproject commit 4746cac86d91ae8a98e2788c80bf27613a33b212