Mirrors_Framework/PX4-Autopilot
1
0
Fork 0
mirror of https://github.com/PX4/PX4-Autopilot.git synced 2026-05-27 18:27:05 +08:00
Code Issues Actions 30 Packages Projects Releases Wiki Activity

Mindpx-v2:Fixed SDIO Clocking

Browse Source
This commit is contained in:
David Sidrane
2016-12-22 04:25:14 -10:00
committed by Lorenz Meier
parent feb139eb6a
commit 31355c8584
1 changed files with 9 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
nuttx-configs/mindpx-v2/include/board.h
+9 -9
View File
@@ -170,29 +170,29 @@
* to service FIFOs in interrupt driven mode. These values have not been * to service FIFOs in interrupt driven mode. These values have not been
* tuned!!! * tuned!!!
* *
* HCLK=72MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(178+2)=400 KHz * SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(118+2)=400 KHz
*/ */
#define SDIO_INIT_CLKDIV (178 << SDIO_CLKCR_CLKDIV_SHIFT) #define SDIO_INIT_CLKDIV (118 << SDIO_CLKCR_CLKDIV_SHIFT)
/* DMA ON: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(2+2)=18 MHz /* DMA ON: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(1+2)=16 MHz
* DMA OFF: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(3+2)=14.4 MHz * DMA OFF: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(2+2)=12 MHz
*/ */
#ifdef CONFIG_SDIO_DMA #ifdef CONFIG_SDIO_DMA
# define SDIO_MMCXFR_CLKDIV (2 << SDIO_CLKCR_CLKDIV_SHIFT) # define SDIO_MMCXFR_CLKDIV (1 << SDIO_CLKCR_CLKDIV_SHIFT)
#else #else
# define SDIO_MMCXFR_CLKDIV (3 << SDIO_CLKCR_CLKDIV_SHIFT) # define SDIO_MMCXFR_CLKDIV (2 << SDIO_CLKCR_CLKDIV_SHIFT)
#endif #endif
/* DMA ON: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(1+2)=24 MHz /* DMA ON: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(1+2)=16 MHz
* DMA OFF: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(3+2)=14.4 MHz * DMA OFF: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(2+2)=12 MHz
*/ */
#ifdef CONFIG_SDIO_DMA #ifdef CONFIG_SDIO_DMA
# define SDIO_SDXFR_CLKDIV (1 << SDIO_CLKCR_CLKDIV_SHIFT) # define SDIO_SDXFR_CLKDIV (1 << SDIO_CLKCR_CLKDIV_SHIFT)
#else #else
# define SDIO_SDXFR_CLKDIV (3 << SDIO_CLKCR_CLKDIV_SHIFT) # define SDIO_SDXFR_CLKDIV (2 << SDIO_CLKCR_CLKDIV_SHIFT)
#endif #endif
/* DMA Channl/Stream Selections *****************************************************/ /* DMA Channl/Stream Selections *****************************************************/