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Changes for Freedom K28 USB device support

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This commit is contained in:
Johanne Schock 2020-03-07 14:40:52 +01:00 committed by patacongo
parent 553585a000
commit 050e45bfe7
3 changed files with 25 additions and 11 deletions
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2
arch/arm/src/kinetis/hardware/kinetis_k28memorymap.h
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@ -144,7 +144,7 @@
# define KINETIS_OSC_BASE 0x40065000 /* System oscillator (OSC) */
# define KINETIS_I2C0_BASE 0x40066000 /* I2C 0 */
# define KINETIS_I2C1_BASE 0x40067000 /* I2C 1 */
# define KINETIS_USBOTGFS_BASE 0x40072000 /* USB OTG FS/LS */
# define KINETIS_USB0_BASE 0x40072000 /* USB OTG FS/LS */
# define KINETIS_2C2D_BASE 0x40073000 /* 2C2D (Analog comparator (CMP) /
* 6-bit digital-to-analog converter (DAC)) */
# define KINETIS_VREF_BASE 0x40074000 /* Voltage reference (VREF) */

19
boards/arm/kinetis/freedom-k28f/include/board.h
View File

@ -84,7 +84,7 @@
*/
#define BOARD_PRDIV 1 /* PLL External Reference Divider */
#define BOARD_VDIV 25 /* PLL VCO Divider (frequency multiplier) */
#define BOARD_VDIV 24 /* PLL VCO Divider (frequency multiplier) */
/* Define additional MCG_C2 Setting */
@ -97,10 +97,10 @@
/* SIM CLKDIV1 dividers */
#define BOARD_OUTDIV1 1 /* Core = MCG, 180 MHz */
#define BOARD_OUTDIV2 3 /* Bus = MCG / 3, 60 MHz */
#define BOARD_OUTDIV3 3 /* FlexBus = MCG / 3, 60 MHz */
#define BOARD_OUTDIV4 7 /* Flash clock = MCG / 7, 25.7 MHz */
#define BOARD_OUTDIV1 1 /* Core = MCG, 144 MHz */
#define BOARD_OUTDIV2 2 /* Bus = MCG / 2, 72 MHz */
#define BOARD_OUTDIV3 2 /* FlexBus = MCG / 2, 72 MHz */
#define BOARD_OUTDIV4 6 /* Flash clock = MCG / 6, 24 MHz */
#define BOARD_CORECLK_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV1)
#define BOARD_BUS_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV2)
@ -117,13 +117,12 @@
/* N.B. The above BOARD_SOPT2_FREQ precludes use of USB with a 12 MHz Xtal
* Divider output clock = Divider input clock × [ (USBFRAC+1) / (USBDIV+1) ]
* SIM_CLKDIV2_FREQ = BOARD_SOPT2_FREQ × [ (USBFRAC+1) / (USBDIV+1) ]
* 48MHz = 168MHz X [(1 + 1) / (6 + 1)]
* 48MHz = 168MHz / (6 + 1) * (1 + 1)
* 48MHz = 144MHz / (2 + 1) * (1 + 0)
*/
#if (BOARD_MCG_FREQ == 168000000L)
# define BOARD_SIM_CLKDIV2_USBFRAC 2
# define BOARD_SIM_CLKDIV2_USBDIV 7
#if (BOARD_SOPT2_FREQ == 144000000L)
# define BOARD_SIM_CLKDIV2_USBFRAC 1
# define BOARD_SIM_CLKDIV2_USBDIV 3
# define BOARD_SIM_CLKDIV2_FREQ (BOARD_SOPT2_FREQ / \
BOARD_SIM_CLKDIV2_USBDIV * \
BOARD_SIM_CLKDIV2_USBFRAC)

15
boards/arm/kinetis/freedom-k28f/src/k28_bringup.c
View File

@ -47,6 +47,10 @@
#include "freedom-k28f.h"
#ifdef CONFIG_PL2303
# include <nuttx/usb/pl2303.h>
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
@ -130,6 +134,17 @@ int k28_bringup(void)
k28_automount_initialize();
#endif
#if defined(CONFIG_USBDEV) && defined(CONFIG_KINETIS_USBOTG)
if (k28_usbdev_initialize)
{
k28_usbdev_initialize();
}
#endif
#ifdef CONFIG_PL2303
usbdev_serialinitialize(0);
#endif
UNUSED(ret);
return OK;
}