Merge pull request #2168 from emb4fun/nxp_k64

Added support for the NXP K64 series

5 files changed, 24 insertions, 5 deletions

diff --git a/src/common/tusb_mcu.h b/src/common/tusb_mcu.h
index e589c4c86..308ee713c 100644
--- a/src/common/tusb_mcu.h
+++ b/src/common/tusb_mcu.h
@@ -107,7 +107,7 @@
   #define TUP_DCD_ENDPOINT_MAX    8
   #define TUP_RHPORT_HIGHSPEED    1
 
-#elif TU_CHECK_MCU(OPT_MCU_KINETIS_KL, OPT_MCU_KINETIS_K32L)
+#elif TU_CHECK_MCU(OPT_MCU_KINETIS_KL, OPT_MCU_KINETIS_K32L, OPT_MCU_KINETIS_K)
   #define TUP_USBIP_CHIPIDEA_FS
   #define TUP_USBIP_CHIPIDEA_FS_KINETIS
   #define TUP_DCD_ENDPOINT_MAX    16
diff --git a/src/portable/chipidea/ci_fs/ci_fs_kinetis.h b/src/portable/chipidea/ci_fs/ci_fs_kinetis.h
index cd21af1c7..31e14a546 100644
--- a/src/portable/chipidea/ci_fs/ci_fs_kinetis.h
+++ b/src/portable/chipidea/ci_fs/ci_fs_kinetis.h
@@ -36,14 +36,12 @@
 #define CI_FS_REG(_port)        ((ci_fs_regs_t*) USB0_BASE)
 #define CI_REG                  CI_FS_REG(0)
 
-void dcd_int_enable(uint8_t rhport)
-{
+void dcd_int_enable(uint8_t rhport) {
   (void) rhport;
   NVIC_EnableIRQ(USB0_IRQn);
 }
 
-void dcd_int_disable(uint8_t rhport)
-{
+void dcd_int_disable(uint8_t rhport) {
   (void) rhport;
   NVIC_DisableIRQ(USB0_IRQn);
 }
diff --git a/src/portable/chipidea/ci_fs/dcd_ci_fs.c b/src/portable/chipidea/ci_fs/dcd_ci_fs.c
index 9327e09d8..4b1d488b5 100644
--- a/src/portable/chipidea/ci_fs/dcd_ci_fs.c
+++ b/src/portable/chipidea/ci_fs/dcd_ci_fs.c
@@ -271,9 +271,17 @@ void dcd_init(uint8_t rhport)
 {
   (void) rhport;
 
+  // save crystal-less setting (recovery clock)
+  uint32_t clk_recover_irc_en = CI_REG->CLK_RECOVER_IRC_EN;
+  uint32_t clk_recover_ctrl = CI_REG->CLK_RECOVER_CTRL;;
+
   CI_REG->USBTRC0 |= USB_USBTRC0_USBRESET_MASK;
   while (CI_REG->USBTRC0 & USB_USBTRC0_USBRESET_MASK);
 
+  // restore crystal-less setting
+  CI_REG->CLK_RECOVER_IRC_EN = clk_recover_irc_en;
+  CI_REG->CLK_RECOVER_CTRL  |= clk_recover_ctrl;
+
   tu_memclr(&_dcd, sizeof(_dcd));
   CI_REG->USBTRC0 |= TU_BIT(6); /* software must set this bit to 1 */
   CI_REG->BDT_PAGE1 = (uint8_t)((uintptr_t)_dcd.bdt >> 8);
diff --git a/src/portable/nxp/khci/dcd_khci.c b/src/portable/nxp/khci/dcd_khci.c
index 5c65ea33d..3419c2565 100644
--- a/src/portable/nxp/khci/dcd_khci.c
+++ b/src/portable/nxp/khci/dcd_khci.c
@@ -269,9 +269,21 @@ void dcd_init(uint8_t rhport)
 {
   (void) rhport;
 
+  // save crystal-less setting (recovery clock)
+  #ifdef USB_CLK_RECOVER_IRC_EN_IRC_EN
+  uint32_t clk_recover_irc_en = KHCI->CLK_RECOVER_IRC_EN;
+  uint32_t clk_recover_ctrl = KHCI->CLK_RECOVER_CTRL;
+  #endif
+
   KHCI->USBTRC0 |= USB_USBTRC0_USBRESET_MASK;
   while (KHCI->USBTRC0 & USB_USBTRC0_USBRESET_MASK);
 
+  // restore crystal-less setting
+  #ifdef USB_CLK_RECOVER_IRC_EN_IRC_EN
+  KHCI->CLK_RECOVER_IRC_EN = clk_recover_irc_en;
+  KHCI->CLK_RECOVER_CTRL  |= clk_recover_ctrl;
+  #endif
+
   tu_memclr(&_dcd, sizeof(_dcd));
   KHCI->USBTRC0 |= TU_BIT(6); /* software must set this bit to 1 */
   KHCI->BDTPAGE1 = (uint8_t)((uintptr_t)_dcd.bdt >>  8);
diff --git a/src/tusb_option.h b/src/tusb_option.h
index 767323bdd..96378cb80 100644
--- a/src/tusb_option.h
+++ b/src/tusb_option.h
@@ -125,6 +125,7 @@
 #define OPT_MCU_KINETIS_KL       1200 ///< NXP KL series
 #define OPT_MCU_KINETIS_K32L     1201 ///< NXP K32L series
 #define OPT_MCU_KINETIS_K32      1201 ///< Alias to K32L
+#define OPT_MCU_KINETIS_K        1202 ///< NXP K series
 
 #define OPT_MCU_MKL25ZXX         1200 ///< Alias to KL (obsolete)
 #define OPT_MCU_K32L2BXX         1201 ///< Alias to K32 (obsolete)