Merge pull request #553 from hathach/host-async-control

Host async control

1 files changed, 11 insertions, 4 deletions

diff --git a/hw/bsp/ea4088qs/ea4088qs.c b/hw/bsp/ea4088qs/ea4088qs.c
index f164526d7..b25f9101c 100644
--- a/hw/bsp/ea4088qs/ea4088qs.c
+++ b/hw/bsp/ea4088qs/ea4088qs.c
@@ -98,6 +98,11 @@ void SystemInit(void)
 
   Chip_IOCON_Init(LPC_IOCON);
   Chip_IOCON_SetPinMuxing(LPC_IOCON, pinmuxing, sizeof(pinmuxing) / sizeof(PINMUX_GRP_T));
+
+	/* CPU clock source starts with IRC */
+	/* Enable PBOOST for CPU clock over 100MHz */
+	Chip_SYSCTL_EnableBoost();
+
   Chip_SetupXtalClocking();
 }
 
@@ -130,13 +135,15 @@ void board_init(void)
   Chip_USB_Init();
 
   enum {
-    USBCLK  = 0x1B // Host + Device + OTG + AHB
+    USBCLK_DEVCIE = 0x12, // AHB + Device
+    USBCLK_HOST = 0x19 ,  // AHB + OTG + Host
+    USBCLK_ALL  = 0x1B    // Host + Device + OTG + AHB
   };
 
-  LPC_USB->OTGClkCtrl = USBCLK;
-  while ( (LPC_USB->OTGClkSt & USBCLK) != USBCLK ) {}
+  LPC_USB->OTGClkCtrl = USBCLK_ALL;
+  while ( (LPC_USB->OTGClkSt & USBCLK_ALL) != USBCLK_ALL ) {}
 
-  // USB1 = host, USB2 = device
+  // set portfunc: USB1 = host, USB2 = device
   LPC_USB->StCtrl = 0x3;
 }