refactor hal

2 files changed, 202 insertions, 0 deletions

diff --git a/hw/mcu/nxp/lpc43xx/usb/hal_lpc43xx.c b/hw/mcu/nxp/lpc43xx/usb/hal_lpc43xx.c
new file mode 100644
index 000000000..96ddea5f4
--- /dev/null
+++ b/hw/mcu/nxp/lpc43xx/usb/hal_lpc43xx.c
@@ -0,0 +1,146 @@
+/**************************************************************************/

+/*!

+    @file     hal_lpc43xx.c

+    @author   hathach (tinyusb.org)

+

+    @section LICENSE

+

+    Software License Agreement (BSD License)

+

+    Copyright (c) 2013, hathach (tinyusb.org)

+    All rights reserved.

+

+    Redistribution and use in source and binary forms, with or without

+    modification, are permitted provided that the following conditions are met:

+    1. Redistributions of source code must retain the above copyright

+    notice, this list of conditions and the following disclaimer.

+    2. Redistributions in binary form must reproduce the above copyright

+    notice, this list of conditions and the following disclaimer in the

+    documentation and/or other materials provided with the distribution.

+    3. Neither the name of the copyright holders nor the

+    names of its contributors may be used to endorse or promote products

+    derived from this software without specific prior written permission.

+

+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY

+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY

+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

+    INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND

+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

+    INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS

+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+

+    This file is part of the tinyusb stack.

+*/

+/**************************************************************************/

+

+#include "common/common.h"

+#include "hal/hal.h"

+

+#if TUSB_CFG_MCU == MCU_LPC43XX

+

+#include "LPC43xx.h"

+#include "lpc43xx_cgu.h"

+#include "lpc43xx_scu.h"

+

+enum {

+  LPC43XX_USBMODE_DEVICE = 2,

+  LPC43XX_USBMODE_HOST   = 3

+};

+

+enum {

+  LPC43XX_USBMODE_VBUS_LOW  = 0,

+  LPC43XX_USBMODE_VBUS_HIGH = 1

+};

+

+static tusb_error_t hal_controller_reset(uint8_t coreid)

+{ // TODO timeout expired to prevent trap

+  volatile uint32_t * p_reg_usbcmd;

+

+  p_reg_usbcmd = (coreid ? &LPC_USB1->USBCMD_D : &LPC_USB0->USBCMD_D);

+// NXP chip powered with non-host mode --> sts bit is not correctly reflected

+  (*p_reg_usbcmd) |= BIT_(1);

+

+//  timeout_timer_t timeout;

+//  timeout_set(&timeout, 2); // should not take longer the time to stop controller

+  while( ((*p_reg_usbcmd) & BIT_(1)) /*&& !timeout_expired(&timeout)*/) {}

+//

+//  return timeout_expired(&timeout) ? TUSB_ERROR_OSAL_TIMEOUT : TUSB_ERROR_NONE;

+  return TUSB_ERROR_NONE;

+}

+

+void hal_interrupt_enable(uint8_t coreid)

+{

+  NVIC_EnableIRQ(coreid ? USB1_IRQn : USB0_IRQn);

+}

+

+void hal_interrupt_disable(uint8_t coreid)

+{

+  NVIC_DisableIRQ(coreid ? USB1_IRQn : USB0_IRQn);

+}

+

+tusb_error_t hal_init(void)

+{

+  LPC_CREG->CREG0 &= ~(1<<5); /* Turn on the phy */

+

+  //------------- USB0 -------------//

+#if TUSB_CFG_CONTROLLER_0_MODE

+  CGU_EnableEntity(CGU_CLKSRC_PLL0, DISABLE); /* Disable PLL first */

+  ASSERT_INT( CGU_ERROR_SUCCESS, CGU_SetPLL0(), TUSB_ERROR_FAILED); /* the usb core require output clock = 480MHz */

+  CGU_EntityConnect(CGU_CLKSRC_XTAL_OSC, CGU_CLKSRC_PLL0);

+  CGU_EnableEntity(CGU_CLKSRC_PLL0, ENABLE);   /* Enable PLL after all setting is done */

+

+  // reset controller & set role

+  ASSERT_STATUS( hal_controller_reset(0) );

+

+  #if TUSB_CFG_CONTROLLER_0_MODE & TUSB_MODE_HOST

+    LPC_USB0->USBMODE_H = LPC43XX_USBMODE_HOST | (LPC43XX_USBMODE_VBUS_HIGH << 5);

+  #else // TODO OTG

+    LPC_USB0->USBMODE_D = LPC43XX_USBMODE_DEVICE;

+    LPC_USB0->OTGSC = (1<<3) | (1<<0) /*| (1<<16)| (1<<24)| (1<<25)| (1<<26)| (1<<27)| (1<<28)| (1<<29)| (1<<30)*/;

+    #if TUSB_CFG_DEVICE_FULLSPEED // TODO for easy testing

+      LPC_USB0->PORTSC1_D |= (1<<24); // force full speed

+    #endif

+  #endif

+#endif

+

+  //------------- USB1 -------------//

+#if TUSB_CFG_CONTROLLER_1_MODE

+  // Host require to config P2_5, TODO confirm whether device mode require P2_5 or not

+  scu_pinmux(0x2, 5, MD_PLN | MD_EZI | MD_ZI, FUNC2);	// USB1_VBUS monitor presence, must be high for bus reset occur

+

+  /* connect CLK_USB1 to 60 MHz clock */

+  CGU_EntityConnect(CGU_CLKSRC_PLL1, CGU_BASE_USB1); /* FIXME Run base BASE_USB1_CLK clock from PLL1 (assume PLL1 is 60 MHz, no division required) */

+  LPC_SCU->SFSUSB = (TUSB_CFG_CONTROLLER_1_MODE & TUSB_MODE_HOST) ? 0x16 : 0x12; // enable USB1 with on-chip FS PHY

+

+  ASSERT_STATUS( hal_controller_reset(1) );

+

+  #if TUSB_CFG_CONTROLLER_1_MODE & TUSB_MODE_HOST

+    LPC_USB1->USBMODE_H = LPC43XX_USBMODE_HOST | (LPC43XX_USBMODE_VBUS_HIGH << 5);

+  #else // TODO OTG

+    LPC_USB1->USBMODE_D = LPC43XX_USBMODE_DEVICE;

+  #endif

+

+  LPC_USB1->PORTSC1_D |= (1<<24); // TODO abstract, force port to fullspeed

+#endif

+

+  return TUSB_ERROR_NONE;

+}

+

+#if TUSB_CFG_CONTROLLER_0_MODE

+void USB0_IRQHandler(void)

+{

+  tusb_isr(0);

+}

+#endif

+

+#if TUSB_CFG_CONTROLLER_1_MODE

+void USB1_IRQHandler(void)

+{

+  tusb_isr(1);

+}

+#endif

+

+#endif

diff --git a/hw/mcu/nxp/lpc43xx/usb/hal_lpc43xx.h b/hw/mcu/nxp/lpc43xx/usb/hal_lpc43xx.h
new file mode 100644
index 000000000..ecc892d4a
--- /dev/null
+++ b/hw/mcu/nxp/lpc43xx/usb/hal_lpc43xx.h
@@ -0,0 +1,56 @@
+/**************************************************************************/

+/*!

+    @file     hal_lpc43xx.h

+    @author   hathach (tinyusb.org)

+

+    @section LICENSE

+

+    Software License Agreement (BSD License)

+

+    Copyright (c) 2013, hathach (tinyusb.org)

+    All rights reserved.

+

+    Redistribution and use in source and binary forms, with or without

+    modification, are permitted provided that the following conditions are met:

+    1. Redistributions of source code must retain the above copyright

+    notice, this list of conditions and the following disclaimer.

+    2. Redistributions in binary form must reproduce the above copyright

+    notice, this list of conditions and the following disclaimer in the

+    documentation and/or other materials provided with the distribution.

+    3. Neither the name of the copyright holders nor the

+    names of its contributors may be used to endorse or promote products

+    derived from this software without specific prior written permission.

+

+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY

+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY

+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

+    INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND

+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

+    INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS

+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+

+    This file is part of the tinyusb stack.

+*/

+/**************************************************************************/

+

+#ifndef _TUSB_HAL_LPC43XX_H_

+#define _TUSB_HAL_LPC43XX_H_

+

+#include "LPC43xx.h"

+#include "lpc43xx_cgu.h"

+

+#ifdef __cplusplus

+ extern "C" {

+#endif

+

+

+

+#ifdef __cplusplus

+ }

+#endif

+

+#endif /* _TUSB_HAL_LPC43XX_H_ */

+