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| author | Stephane D'Alu <sdalu@sdalu.com> | 2016-02-16 18:33:49 +0100 |
|---|---|---|
| committer | Stephane D'Alu <sdalu@sdalu.com> | 2016-02-16 18:33:49 +0100 |
| commit | d95b09804c9ef9fa96618a78a10e818faf82d327 (patch) | |
| tree | 315eb360e8dc23320fd200887a8d8cf6cfabca36 /os/hal/boards | |
| parent | 1548bca80f5af0fe3f79331ae5a3d51b18f1c077 (diff) | |
| download | ChibiOS-Contrib-d95b09804c9ef9fa96618a78a10e818faf82d327.tar.gz ChibiOS-Contrib-d95b09804c9ef9fa96618a78a10e818faf82d327.tar.bz2 ChibiOS-Contrib-d95b09804c9ef9fa96618a78a10e818faf82d327.zip | |
Ensure ram is on
Diffstat (limited to 'os/hal/boards')
| -rw-r--r-- | os/hal/boards/NRF51-DK/board.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/os/hal/boards/NRF51-DK/board.c b/os/hal/boards/NRF51-DK/board.c index e976e56..c5237d7 100644 --- a/os/hal/boards/NRF51-DK/board.c +++ b/os/hal/boards/NRF51-DK/board.c @@ -1,5 +1,6 @@ /* Copyright (C) 2015 Fabio Utzig + 2016 Stéphane D'Alu / Bruno Remond Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. @@ -17,6 +18,14 @@ #include "hal.h" #if HAL_USE_PAL || defined(__DOXYGEN__) + +/* RAM Banks + * (Values are defined in Nordic gcc_startup_nrf51.s) + */ +#define NRF_POWER_RAMON_ADDRESS 0x40000524 +#define NRF_POWER_RAMONB_ADDRESS 0x40000554 +#define NRF_POWER_RAMONx_RAMxON_ONMODE_Msk 0x3 + /** * @brief PAL setup. * @details Digital I/O ports static configuration as defined in @p board.h. @@ -68,6 +77,9 @@ const PALConfig pal_default_config = */ void __early_init(void) { + /* Make sure ALL RAM banks are powered on */ + *(uint32_t *)NRF_POWER_RAMON_ADDRESS |= NRF_POWER_RAMONx_RAMxON_ONMODE_Msk; + *(uint32_t *)NRF_POWER_RAMONB_ADDRESS |= NRF_POWER_RAMONx_RAMxON_ONMODE_Msk; } /** |