sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

SAML21 minor stuff

Browse Source
This commit is contained in:
Gregory Nutt 2015-06-14 14:27:58 -06:00
parent 01c5c63369
commit 9511364a03
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm/src/samdl/sam_dmac.c
View File

@ -803,9 +803,10 @@ void weak_function up_dmainitialize(void)
putreg32((uint32_t)g_base_desc, SAM_DMAC_BASEADDR);
putreg32((uint32_t)g_writeback_desc, SAM_DMAC_WRBADDR);
/* Enable the DMA controller */
/* Enable the DMA controller and all priority levels */
putreg16(DMAC_CTRL_DMAENABLE, SAM_DMAC_CTRL);
putreg16(DMAC_CTRL_DMAENABLE | DMAC_CTRL_LVLEN0 | DMAC_CTRL_LVLEN1 |
DMAC_CTRL_LVLEN2, SAM_DMAC_CTRL);
/* Enable the IRQ at the NVIC (still disabled at the DMA controller) */