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SAME70: Initialization has to be done a little differently because the board has no 32.768KHz crystal installed

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This commit is contained in:
Gregory Nutt 2015-11-30 15:20:21 -06:00
parent fbca4d4ecf
commit 1f7df26f24
2 changed files with 4 additions and 1 deletions
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4
configs/same70-xplained/include/board.h
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@ -57,9 +57,11 @@
* Master Clock (MCK): Source = PLLACK, Prescalar = 1 to generate MCK = 120MHz
* CPU clock: 120MHz
*
* There are two on-board crystals:
* There can be two on-board crystals. However, the the 32.768 crystal is not
* populated on the stock SAME70.
*/
#undef BOARD_HAVE_SLOWXTAL /* Slow crystal not populated */
#define BOARD_SLOWCLK_FREQUENCY (32768) /* 32.768 KHz slow crystal oscillator */
#define BOARD_MAINOSC_FREQUENCY (12000000) /* 12 MHz main oscillator */

1
configs/samv71-xult/include/board.h
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@ -60,6 +60,7 @@
* There are two on-board crystals:
*/
#define BOARD_HAVE_SLOWXTAL 1 /* Slow crystal is populated */
#define BOARD_SLOWCLK_FREQUENCY (32768) /* 32.768 KHz slow crystal oscillator */
#define BOARD_MAINOSC_FREQUENCY (12000000) /* 12 MHz main oscillator */