Squashed 'third_party/pico-sdk/lib/tinyusb/' content from commit 868948f67c

Change-Id: I5d33c2566dd597be9d4b1c30d4b3723c5ef4a265
git-subtree-dir: third_party/pico-sdk/lib/tinyusb
git-subtree-split: 868948f67c90fa7c2553cdcd604b52862cf55720
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/hw/bsp/ea4357/board.mk b/hw/bsp/ea4357/board.mk
new file mode 100644
index 0000000..6f243c6
--- /dev/null
+++ b/hw/bsp/ea4357/board.mk
@@ -0,0 +1,48 @@
+DEPS_SUBMODULES += hw/mcu/nxp/lpcopen
+
+CFLAGS += \
+  -flto \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m4 \
+  -mfloat-abi=hard \
+  -mfpu=fpv4-sp-d16 \
+  -nostdlib \
+  -DCORE_M4 \
+  -D__USE_LPCOPEN \
+  -DCFG_TUSB_MCU=OPT_MCU_LPC43XX
+
+# mcu driver cause following warnings
+CFLAGS += -Wno-error=unused-parameter -Wno-error=strict-prototypes  -Wno-error=cast-qual
+
+MCU_DIR = hw/mcu/nxp/lpcopen/lpc43xx/lpc_chip_43xx
+
+# All source paths should be relative to the top level.
+LD_FILE = hw/bsp/$(BOARD)/lpc4357.ld
+
+SRC_C += \
+	src/portable/chipidea/ci_hs/dcd_ci_hs.c \
+	src/portable/chipidea/ci_hs/hcd_ci_hs.c \
+	src/portable/ehci/ehci.c \
+	$(MCU_DIR)/../gcc/cr_startup_lpc43xx.c \
+	$(MCU_DIR)/src/chip_18xx_43xx.c \
+	$(MCU_DIR)/src/clock_18xx_43xx.c \
+	$(MCU_DIR)/src/gpio_18xx_43xx.c \
+	$(MCU_DIR)/src/sysinit_18xx_43xx.c \
+	$(MCU_DIR)/src/i2c_18xx_43xx.c \
+	$(MCU_DIR)/src/i2cm_18xx_43xx.c \
+	$(MCU_DIR)/src/uart_18xx_43xx.c \
+	$(MCU_DIR)/src/fpu_init.c
+
+INC += \
+	$(TOP)/$(MCU_DIR)/inc \
+	$(TOP)/$(MCU_DIR)/inc/config_43xx
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM4F
+
+# For flash-jlink target
+JLINK_DEVICE = LPC4357_M4
+
+# flash using jlink
+flash: flash-jlink
diff --git a/hw/bsp/ea4357/ea4357.c b/hw/bsp/ea4357/ea4357.c
new file mode 100644
index 0000000..aa206a2
--- /dev/null
+++ b/hw/bsp/ea4357/ea4357.c
@@ -0,0 +1,291 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#include "chip.h"
+#include "../board.h"
+#include "pca9532.h"
+
+#define UART_DEV        LPC_USART0
+#define UART_PORT       0x0f
+#define UART_PIN_TX     10
+#define UART_PIN_RX     11
+
+// P9_1 joystick down
+#define BUTTON_PORT     4
+#define BUTTON_PIN      13
+
+//static const struct {
+//  uint8_t mux_port;
+//  uint8_t mux_pin;
+//
+//  uint8_t gpio_port;
+//  uint8_t gpio_pin;
+//}buttons[] =
+//{
+//    {0x0a, 3, 4, 10 }, // Joystick up
+//    {0x09, 1, 4, 13 }, // Joystick down
+//    {0x0a, 2, 4, 9  }, // Joystick left
+//    {0x09, 0, 4, 12 }, // Joystick right
+//    {0x0a, 1, 4, 8  }, // Joystick press
+//    {0x02, 7, 0, 7  }, // SW6
+//};
+
+/*------------------------------------------------------------------*/
+/* BOARD API
+ *------------------------------------------------------------------*/
+
+/* System configuration variables used by chip driver */
+const uint32_t OscRateIn = 12000000;
+const uint32_t ExtRateIn = 0;
+
+static const PINMUX_GRP_T pinmuxing[] =
+{
+  // Button ( Joystick down )
+  {0x9, 1,  (SCU_MODE_INBUFF_EN | SCU_MODE_INACT | SCU_MODE_FUNC0 | SCU_MODE_PULLUP)},
+
+  // UART
+  {UART_PORT, UART_PIN_TX, SCU_MODE_PULLDOWN | SCU_MODE_FUNC1},
+  {UART_PORT, UART_PIN_RX, SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_FUNC1},
+
+  // USB
+};
+
+/* Pin clock mux values, re-used structure, value in first index is meaningless */
+static const PINMUX_GRP_T pinclockmuxing[] =
+{
+  {0, 0,  (SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_HIGHSPEEDSLEW_EN | SCU_MODE_FUNC0)},
+  {0, 1,  (SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_HIGHSPEEDSLEW_EN | SCU_MODE_FUNC0)},
+  {0, 2,  (SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_HIGHSPEEDSLEW_EN | SCU_MODE_FUNC0)},
+  {0, 3,  (SCU_MODE_INACT | SCU_MODE_INBUFF_EN | SCU_MODE_ZIF_DIS | SCU_MODE_HIGHSPEEDSLEW_EN | SCU_MODE_FUNC0)},
+};
+
+// Invoked by startup code
+void SystemInit(void)
+{
+#ifdef __USE_LPCOPEN
+	extern void (* const g_pfnVectors[])(void);
+  unsigned int *pSCB_VTOR = (unsigned int *) 0xE000ED08;
+	*pSCB_VTOR = (unsigned int) g_pfnVectors;
+
+#if __FPU_USED == 1
+	fpuInit();
+#endif
+#endif // __USE_LPCOPEN
+
+	/* Setup system level pin muxing */
+	Chip_SCU_SetPinMuxing(pinmuxing, sizeof(pinmuxing) / sizeof(PINMUX_GRP_T));
+
+	/* Clock pins only, group field not used */
+	for (int i = 0; i <(int)  (sizeof(pinclockmuxing) / sizeof(pinclockmuxing[0])); i++)
+	{
+		Chip_SCU_ClockPinMuxSet(pinclockmuxing[i].pinnum, pinclockmuxing[i].modefunc);
+	}
+
+  Chip_SetupXtalClocking();
+}
+
+void board_init(void)
+{
+  SystemCoreClockUpdate();
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+  // 1ms tick timer
+  SysTick_Config(SystemCoreClock / 1000);
+#elif CFG_TUSB_OS == OPT_OS_FREERTOS
+  // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+  //NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
+#endif
+
+  Chip_GPIO_Init(LPC_GPIO_PORT);
+
+  // LED via pca9532 I2C
+  Chip_SCU_I2C0PinConfig(I2C0_STANDARD_FAST_MODE);
+  Chip_I2C_Init(I2C0);
+  Chip_I2C_SetClockRate(I2C0, 100000);
+  Chip_I2C_SetMasterEventHandler(I2C0, Chip_I2C_EventHandlerPolling);
+
+  pca9532_init();
+
+  // Button
+  Chip_GPIO_SetPinDIRInput(LPC_GPIO_PORT, BUTTON_PORT, BUTTON_PIN);
+
+  //------------- UART -------------//
+	Chip_UART_Init(UART_DEV);
+	Chip_UART_SetBaud(UART_DEV, CFG_BOARD_UART_BAUDRATE);
+	Chip_UART_ConfigData(UART_DEV, UART_LCR_WLEN8 | UART_LCR_SBS_1BIT | UART_LCR_PARITY_DIS);
+	Chip_UART_TXEnable(UART_DEV);
+
+  //------------- USB -------------//
+  enum {
+    USBMODE_DEVICE = 2,
+    USBMODE_HOST   = 3
+  };
+
+  enum {
+    USBMODE_VBUS_LOW  = 0,
+    USBMODE_VBUS_HIGH = 1
+  };
+
+  /* From EA4357 user manual
+   *
+   * USB0 Device operation:
+   * - Insert jumpers in position 1-2 in JP17/JP18/JP19.
+   * - GPIO28 controls USB connect functionality
+   * - LED32 lights when the USB Device is connected. SJ4 has pads 1-2 shorted by default.
+   * - LED33 is controlled by GPIO27 and signals USB-up state. GPIO54 is used for VBUS
+   * sensing.
+   *
+   * USB0 Host operation:
+   * - insert jumpers in position 2-3 in JP17/JP18/JP19.
+   * - USB Host power is controlled via distribution switch U20 (found in schematic page 11).
+   * - Signal GPIO26 is active low and enables +5V on VBUS2.
+   * - LED35 light whenever +5V is present on VBUS2.
+   * - GPIO55 is connected to status feedback from the distribution switch.
+   * - GPIO54 is used for VBUS sensing. 15Kohm pull-down resistors are always active
+   *
+   * Note:
+   * - Insert jumpers in position 2-3 in JP17/JP18/JP19
+   * - Insert jumpers in JP31 (OTG)
+   */
+#if CFG_TUSB_RHPORT0_MODE
+  Chip_USB0_Init();
+#endif
+
+  /* From EA4357 user manual
+   *
+   * For USB1 Device:
+   * - a 1.5Kohm pull-up resistor is needed on the USB DP data signal. There are two methods to create this.
+   * JP15 is inserted and the pull-up resistor is always enabled. Alternatively, the pull-up resistor is activated
+   * inside the USB OTG chip (U31), and this has to be done via the I2C interface of GPIO52/GPIO53. In the latter case,
+   * JP15 shall not be inserted.
+   * - J19 is the connector to use when USB Device is used. Normally it should be a USB-B connector for
+   * creating a USB Device interface, but the mini-AB connector can also be used in this case. The status
+   * of VBUS can be read via U31.
+   * - JP16 shall not be inserted.
+   *
+   * For USB1 Host:
+   * - 15Kohm pull-down resistors are needed on the USB data signals. These are activated inside the USB OTG chip (U31),
+   * and this has to be done via the I2C interface of GPIO52/GPIO53.
+   * - J20 is the connector to use when USB Host is used. In order to provide +5V to the external USB
+   * device connected to this connector (J20), channel A of U20 must be enabled. It is enabled by default
+   * since SJ5 is normally connected between pin 1-2.
+   * - LED34 lights green when +5V is available on J20.
+   * - JP15 shall not be inserted. JP16 has no effect
+   */
+#if CFG_TUSB_RHPORT1_MODE
+  Chip_USB1_Init();
+#endif
+
+  // USB0 Vbus Power: P2_3 on EA4357 channel B U20 GPIO26 active low (base board)
+  Chip_SCU_PinMuxSet(2, 3, SCU_MODE_PULLUP | SCU_MODE_INBUFF_EN | SCU_MODE_FUNC7);
+
+  #if CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE
+  // P9_5 (GPIO5[18]) (GPIO28 on oem base) as USB connect, active low.
+  Chip_SCU_PinMuxSet(9, 5, SCU_MODE_PULLDOWN | SCU_MODE_FUNC4);
+  Chip_GPIO_SetPinDIROutput(LPC_GPIO_PORT, 5, 18);
+  #endif
+
+  // USB1 Power: EA4357 channel A U20 is enabled by SJ5 connected to pad 1-2, no more action required
+  // TODO Remove R170, R171, solder a pair of 15K to USB1 D+/D- to test with USB1 Host
+}
+
+//--------------------------------------------------------------------+
+// USB Interrupt Handler
+//--------------------------------------------------------------------+
+void USB0_IRQHandler(void)
+{
+  #if CFG_TUSB_RHPORT0_MODE & OPT_MODE_HOST
+    tuh_int_handler(0);
+  #endif
+
+  #if CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE
+    tud_int_handler(0);
+  #endif
+}
+
+void USB1_IRQHandler(void)
+{
+  #if CFG_TUSB_RHPORT1_MODE & OPT_MODE_HOST
+    tuh_int_handler(1);
+  #endif
+
+  #if CFG_TUSB_RHPORT1_MODE & OPT_MODE_DEVICE
+    tud_int_handler(1);
+  #endif
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  if (state)
+  {
+    pca9532_setLeds( LED1, 0 );
+  }else
+  {
+    pca9532_setLeds( 0, LED1);
+  }
+}
+
+uint32_t board_button_read(void)
+{
+  // active low
+  return Chip_GPIO_GetPinState(LPC_GPIO_PORT, BUTTON_PORT, BUTTON_PIN) ? 0 : 1;
+}
+
+int board_uart_read(uint8_t* buf, int len)
+{
+  //return UART_ReceiveByte(BOARD_UART_DEV);
+  (void) buf; (void) len;
+  return 0;
+}
+
+int board_uart_write(void const * buf, int len)
+{
+  uint8_t const* buf8 = (uint8_t const*) buf;
+  for(int i=0; i<len; i++)
+  {
+    while ((Chip_UART_ReadLineStatus(UART_DEV) & UART_LSR_THRE) == 0) {}
+    Chip_UART_SendByte(UART_DEV, buf8[i]);
+  }
+
+  return len;
+}
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+volatile uint32_t system_ticks = 0;
+void SysTick_Handler (void)
+{
+  system_ticks++;
+}
+
+uint32_t board_millis(void)
+{
+  return system_ticks;
+}
+#endif
diff --git a/hw/bsp/ea4357/lpc4357.ld b/hw/bsp/ea4357/lpc4357.ld
new file mode 100644
index 0000000..14a0df3
--- /dev/null
+++ b/hw/bsp/ea4357/lpc4357.ld
@@ -0,0 +1,324 @@
+/*
+ * GENERATED FILE - DO NOT EDIT
+ * (c) Code Red Technologies Ltd, 2008-2013
+ * (c) NXP Semiconductors 2013-2019
+ * Generated linker script file for LPC4357
+ * Created from linkscript.ldt by FMCreateLinkLibraries
+ * Using Freemarker v2.3.23
+ * MCUXpresso IDE v10.2.1 [Build 795] [2018-07-25] on May 15, 2019 5:48:43 PM
+ */
+
+MEMORY
+{
+  /* Define each memory region */
+  MFlashA512 (rx) : ORIGIN = 0x1a000000, LENGTH = 0x80000 /* 512K bytes (alias Flash) */  
+  MFlashB512 (rx) : ORIGIN = 0x1b000000, LENGTH = 0x80000 /* 512K bytes (alias Flash2) */  
+  RamLoc32 (rwx) : ORIGIN = 0x10000000, LENGTH = 0x8000 /* 32K bytes (alias RAM) */  
+  RamLoc40 (rwx) : ORIGIN = 0x10080000, LENGTH = 0xa000 /* 40K bytes (alias RAM2) */  
+  RamAHB32 (rwx) : ORIGIN = 0x20000000, LENGTH = 0x8000 /* 32K bytes (alias RAM3) */  
+  RamAHB16 (rwx) : ORIGIN = 0x20008000, LENGTH = 0x4000 /* 16K bytes (alias RAM4) */  
+  RamAHB_ETB16 (rwx) : ORIGIN = 0x2000c000, LENGTH = 0x4000 /* 16K bytes (alias RAM5) */  
+}
+
+  /* Define a symbol for the top of each memory region */
+  __base_MFlashA512 = 0x1a000000  ; /* MFlashA512 */  
+  __base_Flash = 0x1a000000 ; /* Flash */  
+  __top_MFlashA512 = 0x1a000000 + 0x80000 ; /* 512K bytes */  
+  __top_Flash = 0x1a000000 + 0x80000 ; /* 512K bytes */  
+  __base_MFlashB512 = 0x1b000000  ; /* MFlashB512 */  
+  __base_Flash2 = 0x1b000000 ; /* Flash2 */  
+  __top_MFlashB512 = 0x1b000000 + 0x80000 ; /* 512K bytes */  
+  __top_Flash2 = 0x1b000000 + 0x80000 ; /* 512K bytes */  
+  __base_RamLoc32 = 0x10000000  ; /* RamLoc32 */  
+  __base_RAM = 0x10000000 ; /* RAM */  
+  __top_RamLoc32 = 0x10000000 + 0x8000 ; /* 32K bytes */  
+  __top_RAM = 0x10000000 + 0x8000 ; /* 32K bytes */  
+  __base_RamLoc40 = 0x10080000  ; /* RamLoc40 */  
+  __base_RAM2 = 0x10080000 ; /* RAM2 */  
+  __top_RamLoc40 = 0x10080000 + 0xa000 ; /* 40K bytes */  
+  __top_RAM2 = 0x10080000 + 0xa000 ; /* 40K bytes */  
+  __base_RamAHB32 = 0x20000000  ; /* RamAHB32 */  
+  __base_RAM3 = 0x20000000 ; /* RAM3 */  
+  __top_RamAHB32 = 0x20000000 + 0x8000 ; /* 32K bytes */  
+  __top_RAM3 = 0x20000000 + 0x8000 ; /* 32K bytes */  
+  __base_RamAHB16 = 0x20008000  ; /* RamAHB16 */  
+  __base_RAM4 = 0x20008000 ; /* RAM4 */  
+  __top_RamAHB16 = 0x20008000 + 0x4000 ; /* 16K bytes */  
+  __top_RAM4 = 0x20008000 + 0x4000 ; /* 16K bytes */  
+  __base_RamAHB_ETB16 = 0x2000c000  ; /* RamAHB_ETB16 */  
+  __base_RAM5 = 0x2000c000 ; /* RAM5 */  
+  __top_RamAHB_ETB16 = 0x2000c000 + 0x4000 ; /* 16K bytes */  
+  __top_RAM5 = 0x2000c000 + 0x4000 ; /* 16K bytes */  
+
+
+ENTRY(ResetISR)
+
+SECTIONS
+{
+    .text_Flash2 : ALIGN(4)
+    {
+       FILL(0xff)
+        *(.text_Flash2*) /* for compatibility with previous releases */
+        *(.text_MFlashB512*) /* for compatibility with previous releases */
+        *(.text.$Flash2*)
+        *(.text.$MFlashB512*)
+        *(.rodata.$Flash2*)
+        *(.rodata.$MFlashB512*)
+    } > MFlashB512
+
+    /* MAIN TEXT SECTION */
+    .text : ALIGN(4)
+    {
+        FILL(0xff)
+        __vectors_start__ = ABSOLUTE(.) ;
+        KEEP(*(.isr_vector))
+        /* Global Section Table */
+        . = ALIGN(4) ;
+        __section_table_start = .;
+        __data_section_table = .;
+        LONG(LOADADDR(.data));
+        LONG(    ADDR(.data));
+        LONG(  SIZEOF(.data));
+        LONG(LOADADDR(.data_RAM2));
+        LONG(    ADDR(.data_RAM2));
+        LONG(  SIZEOF(.data_RAM2));
+        LONG(LOADADDR(.data_RAM3));
+        LONG(    ADDR(.data_RAM3));
+        LONG(  SIZEOF(.data_RAM3));
+        LONG(LOADADDR(.data_RAM4));
+        LONG(    ADDR(.data_RAM4));
+        LONG(  SIZEOF(.data_RAM4));
+        LONG(LOADADDR(.data_RAM5));
+        LONG(    ADDR(.data_RAM5));
+        LONG(  SIZEOF(.data_RAM5));
+        __data_section_table_end = .;
+        __bss_section_table = .;
+        LONG(    ADDR(.bss));
+        LONG(  SIZEOF(.bss));
+        LONG(    ADDR(.bss_RAM2));
+        LONG(  SIZEOF(.bss_RAM2));
+        LONG(    ADDR(.bss_RAM3));
+        LONG(  SIZEOF(.bss_RAM3));
+        LONG(    ADDR(.bss_RAM4));
+        LONG(  SIZEOF(.bss_RAM4));
+        LONG(    ADDR(.bss_RAM5));
+        LONG(  SIZEOF(.bss_RAM5));
+        __bss_section_table_end = .;
+        __section_table_end = . ;
+        /* End of Global Section Table */
+
+        *(.after_vectors*)
+
+    } > MFlashA512
+
+    .text : ALIGN(4)
+    {
+       *(.text*)
+       *(.rodata .rodata.* .constdata .constdata.*)
+       . = ALIGN(4);
+    } > MFlashA512
+    /*
+     * for exception handling/unwind - some Newlib functions (in common
+     * with C++ and STDC++) use this. 
+     */
+    .ARM.extab : ALIGN(4) 
+    {
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+    } > MFlashA512
+
+    __exidx_start = .;
+
+    .ARM.exidx : ALIGN(4)
+    {
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+    } > MFlashA512
+    __exidx_end = .;
+
+    _etext = .;
+        
+    /* DATA section for RamLoc40 */
+
+    .data_RAM2 : ALIGN(4)
+    {
+        FILL(0xff)
+        PROVIDE(__start_data_RAM2 = .) ;
+        *(.ramfunc.$RAM2)
+        *(.ramfunc.$RamLoc40)
+        *(.data.$RAM2*)
+        *(.data.$RamLoc40*)
+        . = ALIGN(4) ;
+        PROVIDE(__end_data_RAM2 = .) ;
+     } > RamLoc40 AT>MFlashA512
+    /* DATA section for RamAHB32 */
+
+    .data_RAM3 : ALIGN(4)
+    {
+        FILL(0xff)
+        PROVIDE(__start_data_RAM3 = .) ;
+        *(.ramfunc.$RAM3)
+        *(.ramfunc.$RamAHB32)
+        *(.data.$RAM3*)
+        *(.data.$RamAHB32*)
+        . = ALIGN(4) ;
+        PROVIDE(__end_data_RAM3 = .) ;
+     } > RamAHB32 AT>MFlashA512
+    /* DATA section for RamAHB16 */
+
+    .data_RAM4 : ALIGN(4)
+    {
+        FILL(0xff)
+        PROVIDE(__start_data_RAM4 = .) ;
+        *(.ramfunc.$RAM4)
+        *(.ramfunc.$RamAHB16)
+        *(.data.$RAM4*)
+        *(.data.$RamAHB16*)
+        . = ALIGN(4) ;
+        PROVIDE(__end_data_RAM4 = .) ;
+     } > RamAHB16 AT>MFlashA512
+    /* DATA section for RamAHB_ETB16 */
+
+    .data_RAM5 : ALIGN(4)
+    {
+        FILL(0xff)
+        PROVIDE(__start_data_RAM5 = .) ;
+        *(.ramfunc.$RAM5)
+        *(.ramfunc.$RamAHB_ETB16)
+        *(.data.$RAM5*)
+        *(.data.$RamAHB_ETB16*)
+        . = ALIGN(4) ;
+        PROVIDE(__end_data_RAM5 = .) ;
+     } > RamAHB_ETB16 AT>MFlashA512
+    /* MAIN DATA SECTION */
+    .uninit_RESERVED : ALIGN(4)
+    {
+        KEEP(*(.bss.$RESERVED*))
+        . = ALIGN(4) ;
+        _end_uninit_RESERVED = .;
+    } > RamLoc32
+
+    /* Main DATA section (RamLoc32) */
+    .data : ALIGN(4)
+    {
+       FILL(0xff)
+       _data = . ;
+       *(vtable)
+       *(.ramfunc*)
+       *(.data*)
+       . = ALIGN(4) ;
+       _edata = . ;
+    } > RamLoc32 AT>MFlashA512
+
+    /* BSS section for RamLoc40 */
+    .bss_RAM2 : ALIGN(4)
+    {
+       PROVIDE(__start_bss_RAM2 = .) ;
+       *(.bss.$RAM2*)
+       *(.bss.$RamLoc40*)
+       . = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */
+       PROVIDE(__end_bss_RAM2 = .) ;
+    } > RamLoc40 
+
+    /* BSS section for RamAHB32 */
+    .bss_RAM3 : ALIGN(4)
+    {
+       PROVIDE(__start_bss_RAM3 = .) ;
+       *(.bss.$RAM3*)
+       *(.bss.$RamAHB32*)
+       . = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */
+       PROVIDE(__end_bss_RAM3 = .) ;
+    } > RamAHB32 
+
+    /* BSS section for RamAHB16 */
+    .bss_RAM4 : ALIGN(4)
+    {
+       PROVIDE(__start_bss_RAM4 = .) ;
+       *(.bss.$RAM4*)
+       *(.bss.$RamAHB16*)
+       . = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */
+       PROVIDE(__end_bss_RAM4 = .) ;
+    } > RamAHB16 
+
+    /* BSS section for RamAHB_ETB16 */
+    .bss_RAM5 : ALIGN(4)
+    {
+       PROVIDE(__start_bss_RAM5 = .) ;
+       *(.bss.$RAM5*)
+       *(.bss.$RamAHB_ETB16*)
+       . = ALIGN (. != 0 ? 4 : 1) ; /* avoid empty segment */
+       PROVIDE(__end_bss_RAM5 = .) ;
+    } > RamAHB_ETB16 
+
+    /* MAIN BSS SECTION */
+    .bss : ALIGN(4)
+    {
+        _bss = .;
+        *(.bss*)
+        *(COMMON)
+        . = ALIGN(4) ;
+        _ebss = .;
+        PROVIDE(end = .);
+    } > RamLoc32
+
+    /* NOINIT section for RamLoc40 */
+    .noinit_RAM2 (NOLOAD) : ALIGN(4)
+    {
+       *(.noinit.$RAM2*)
+       *(.noinit.$RamLoc40*)
+       . = ALIGN(4) ;
+    } > RamLoc40 
+
+    /* NOINIT section for RamAHB32 */
+    .noinit_RAM3 (NOLOAD) : ALIGN(4)
+    {
+       *(.noinit.$RAM3*)
+       *(.noinit.$RamAHB32*)
+       . = ALIGN(4) ;
+    } > RamAHB32 
+
+    /* NOINIT section for RamAHB16 */
+    .noinit_RAM4 (NOLOAD) : ALIGN(4)
+    {
+       *(.noinit.$RAM4*)
+       *(.noinit.$RamAHB16*)
+       . = ALIGN(4) ;
+    } > RamAHB16 
+
+    /* NOINIT section for RamAHB_ETB16 */
+    .noinit_RAM5 (NOLOAD) : ALIGN(4)
+    {
+       *(.noinit.$RAM5*)
+       *(.noinit.$RamAHB_ETB16*)
+       . = ALIGN(4) ;
+    } > RamAHB_ETB16 
+
+    /* DEFAULT NOINIT SECTION */
+    .noinit (NOLOAD): ALIGN(4)
+    {
+        _noinit = .;
+        *(.noinit*) 
+         . = ALIGN(4) ;
+        _end_noinit = .;
+    } > RamLoc32
+    PROVIDE(_pvHeapStart = DEFINED(__user_heap_base) ? __user_heap_base : .);
+    PROVIDE(_vStackTop = DEFINED(__user_stack_top) ? __user_stack_top : __top_RamLoc32 - 0);
+
+    /* ## Create checksum value (used in startup) ## */
+    PROVIDE(__valid_user_code_checksum = 0 - 
+                                         (_vStackTop 
+                                         + (ResetISR + 1) 
+                                         + (NMI_Handler + 1) 
+                                         + (HardFault_Handler + 1) 
+                                         + (( DEFINED(MemManage_Handler) ? MemManage_Handler : 0 ) + 1)   /* MemManage_Handler may not be defined */
+                                         + (( DEFINED(BusFault_Handler) ? BusFault_Handler : 0 ) + 1)     /* BusFault_Handler may not be defined */
+                                         + (( DEFINED(UsageFault_Handler) ? UsageFault_Handler : 0 ) + 1) /* UsageFault_Handler may not be defined */
+                                         ) );
+
+    /* Provide basic symbols giving location and size of main text
+     * block, including initial values of RW data sections. Note that
+     * these will need extending to give a complete picture with
+     * complex images (e.g multiple Flash banks).
+     */
+    _image_start = LOADADDR(.text);
+    _image_end = LOADADDR(.data) + SIZEOF(.data);
+    _image_size = _image_end - _image_start;
+}
\ No newline at end of file
diff --git a/hw/bsp/ea4357/pca9532.c b/hw/bsp/ea4357/pca9532.c
new file mode 100644
index 0000000..eae3805
--- /dev/null
+++ b/hw/bsp/ea4357/pca9532.c
@@ -0,0 +1,352 @@
+/*****************************************************************************
+ *
+ *   Copyright(C) 2011, Embedded Artists AB
+ *   All rights reserved.
+ *
+ ******************************************************************************
+ * Software that is described herein is for illustrative purposes only
+ * which provides customers with programming information regarding the
+ * products. This software is supplied "AS IS" without any warranties.
+ * Embedded Artists AB assumes no responsibility or liability for the
+ * use of the software, conveys no license or title under any patent,
+ * copyright, or mask work right to the product. Embedded Artists AB
+ * reserves the right to make changes in the software without
+ * notification. Embedded Artists AB also make no representation or
+ * warranty that such application will be suitable for the specified
+ * use without further testing or modification.
+ *****************************************************************************/
+
+/*
+ * NOTE: I2C must have been initialized before calling any functions in this
+ * file.
+ */
+
+/******************************************************************************
+ * Includes
+ *****************************************************************************/
+
+//#include "board.h"
+#include "chip.h"
+
+#include "pca9532.h"
+
+/******************************************************************************
+ * Defines and typedefs
+ *****************************************************************************/
+
+#define I2C_PORT (LPC_I2C0)
+
+#define LS_MODE_ON     0x01
+#define LS_MODE_BLINK0 0x02
+#define LS_MODE_BLINK1 0x03
+
+/******************************************************************************
+ * External global variables
+ *****************************************************************************/
+
+
+/******************************************************************************
+ * Local variables
+ *****************************************************************************/
+
+static uint16_t blink0Shadow = 0;
+static uint16_t blink1Shadow = 0;
+static uint16_t ledStateShadow = 0;
+
+/******************************************************************************
+ * Local Functions
+ *****************************************************************************/
+
+static Status I2CWrite(uint32_t addr, uint8_t* buf, uint32_t len) 
+{
+	I2CM_XFER_T i2cData;
+
+	i2cData.slaveAddr = addr;
+	i2cData.options = 0;
+	i2cData.status = 0;
+	i2cData.txBuff = buf;
+	i2cData.txSz = len;
+	i2cData.rxBuff = NULL;
+	i2cData.rxSz = 0;
+
+	if (Chip_I2CM_XferBlocking(LPC_I2C0, &i2cData) == 0) {
+		return ERROR;
+	}
+	return SUCCESS;
+}
+
+static Status I2CRead(uint32_t addr, uint8_t* buf, uint32_t len) 
+{
+	I2CM_XFER_T i2cData;
+
+	i2cData.slaveAddr = addr;
+	i2cData.options = 0;
+	i2cData.status = 0;
+	i2cData.txBuff = NULL;
+	i2cData.txSz = 0;
+	i2cData.rxBuff = buf;
+	i2cData.rxSz = len;
+
+	if (Chip_I2CM_XferBlocking(LPC_I2C0, &i2cData) == 0) {
+		return ERROR;
+	}
+	return SUCCESS;
+}
+
+static void setLsStates(uint16_t states, uint8_t* ls, uint8_t mode)
+{
+#define IS_LED_SET(bit, x) ( ( ((x) & (bit)) != 0 ) ? 1 : 0 )
+
+    int i = 0;
+
+    for (i = 0; i < 4; i++) {
+
+        ls[i] |= ( (IS_LED_SET(0x0001, states)*mode << 0)
+                | (IS_LED_SET(0x0002, states)*mode << 2)
+                | (IS_LED_SET(0x0004, states)*mode << 4)
+                | (IS_LED_SET(0x0008, states)*mode << 6) );
+
+        states >>= 4;
+    }
+}
+
+static void setLeds(void)
+{
+    uint8_t buf[5];
+    uint8_t ls[4] = {0,0,0,0};
+    uint16_t states = ledStateShadow;
+
+    /* LEDs in On/Off state */
+    setLsStates(states, ls, LS_MODE_ON);
+
+    /* set the LEDs that should blink */
+    setLsStates(blink0Shadow, ls, LS_MODE_BLINK0);
+    setLsStates(blink1Shadow, ls, LS_MODE_BLINK1);
+
+
+    buf[0] = PCA9532_LS0 | PCA9532_AUTO_INC;
+    buf[1] = ls[0];
+    buf[2] = ls[1];
+    buf[3] = ls[2];
+    buf[4] = ls[3];
+    I2CWrite(PCA9532_I2C_ADDR, buf, 5);
+}
+
+/******************************************************************************
+ * Public Functions
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * Description:
+ *    Initialize the PCA9532 Device
+ *
+ *****************************************************************************/
+void pca9532_init (void)
+{
+    /* nothing to initialize */
+}
+
+/******************************************************************************
+ *
+ * Description:
+ *    Get the LED states
+ *
+ * Params:
+ *    [in]  shadow  - TRUE if the states should be retrieved from the shadow
+ *                    variables. The shadow variable are updated when any
+ *                    of setLeds, setBlink0Leds and/or setBlink1Leds are
+ *                    called.
+ *
+ *                    FALSE if the state should be retrieved from the PCA9532
+ *                    device. A blinkin LED may be reported as on or off
+ *                    depending on the state when calling the function.
+ *
+ * Returns:
+ *      A mask where a 1 indicates that a LED is on (or blinking).
+ *
+ *****************************************************************************/
+uint16_t pca9532_getLedState (uint32_t shadow)
+{
+    uint8_t buf[2];
+    uint16_t ret = 0;
+
+    if (shadow) {
+        /* a blink LED is reported as on*/
+        ret = (ledStateShadow | blink0Shadow | blink1Shadow);
+    }
+    else {
+
+        /*
+         * A blinking LED may be reported as on or off depending on
+         * its state when reading the Input register.
+         */
+        
+        buf[0] = PCA9532_INPUT0;
+        I2CWrite(PCA9532_I2C_ADDR, buf, 1);
+
+        I2CRead(PCA9532_I2C_ADDR, buf, 1);
+        ret = buf[0];
+
+
+        buf[0] = PCA9532_INPUT1;
+        I2CWrite(PCA9532_I2C_ADDR, buf, 1);
+
+        I2CRead(PCA9532_I2C_ADDR, buf, 1);
+        ret |= (buf[0] << 8);
+
+
+        /* invert since LEDs are active low */
+        ret = ((~ret) & 0xFFFF);
+    }
+
+    return (ret & ~PCA9532_NOT_USED);
+}
+
+
+/******************************************************************************
+ *
+ * Description:
+ *    Set LED states (on or off).
+ *
+ * Params:
+ *    [in]  ledOnMask  - The LEDs that should be turned on. This mask has
+ *                       priority over ledOffMask
+ *    [in]  ledOffMask - The LEDs that should be turned off.
+ *
+ *****************************************************************************/
+void pca9532_setLeds (uint16_t ledOnMask, uint16_t ledOffMask)
+{
+    /* turn off leds */
+    ledStateShadow &= (~(ledOffMask) & 0xffff);
+
+    /* ledOnMask has priority over ledOffMask */
+    ledStateShadow |= ledOnMask;
+
+    /* turn off blinking */
+    blink0Shadow &= (~(ledOffMask) & 0xffff);
+    blink1Shadow &= (~(ledOffMask) & 0xffff);
+
+    setLeds();
+}
+
+/******************************************************************************
+ *
+ * Description:
+ *    Set the blink period for PWM0. Valid values are 0 - 255 where 0
+ *    means 152 Hz and 255 means 0.59 Hz. A value of 151 means 1 Hz.
+ *
+ * Params:
+ *    [in]  period  - the period for pwm0
+ *
+ *****************************************************************************/
+void pca9532_setBlink0Period(uint8_t period)
+{
+    uint8_t buf[2];
+
+    buf[0] = PCA9532_PSC0;
+    buf[1] = period;
+    I2CWrite(PCA9532_I2C_ADDR, buf, 2);
+}
+
+/******************************************************************************
+ *
+ * Description:
+ *    Set the duty cycle for PWM0. Valid values are 0 - 100. 25 means the LED
+ *    is on 25% of the period.
+ *
+ * Params:
+ *    [in]  duty  - duty cycle
+ *
+ *****************************************************************************/
+void pca9532_setBlink0Duty(uint8_t duty)
+{
+    uint8_t buf[2];
+    uint32_t tmp = duty;
+    if (tmp > 100) {
+        tmp = 100;
+    }
+
+    tmp = (256 * tmp)/100;
+
+    buf[0] = PCA9532_PWM0;
+    buf[1] = tmp;
+    I2CWrite(PCA9532_I2C_ADDR, buf, 2);
+}
+
+/******************************************************************************
+ *
+ * Description:
+ *    Set the LEDs that should blink with rate and duty cycle from PWM0.
+ *    Blinking is turned off with pca9532_setLeds.
+ *
+ * Params:
+ *    [in]  ledMask  - LEDs that should blink.
+ *
+ *****************************************************************************/
+void pca9532_setBlink0Leds(uint16_t ledMask)
+{
+    blink0Shadow |= ledMask;
+    setLeds();
+}
+
+/******************************************************************************
+ *
+ * Description:
+ *    Set the blink period for PWM1. Valid values are 0 - 255 where 0
+ *    means 152 Hz and 255 means 0.59 Hz. A value of 151 means 1 Hz.
+ *
+ * Params:
+ *    [in]  period  - The period for PWM1
+ *
+ *****************************************************************************/
+void pca9532_setBlink1Period(uint8_t period)
+{
+    uint8_t buf[2];
+
+    buf[0] = PCA9532_PSC1;
+    buf[1] = period;
+    I2CWrite(PCA9532_I2C_ADDR, buf, 2);
+}
+
+/******************************************************************************
+ *
+ * Description:
+ *    Set the duty cycle for PWM1. Valid values are 0 - 100. 25 means the LED
+ *    is on 25% of the period.
+ *
+ * Params:
+ *    [in]  duty  - duty cycle.
+ *
+ *****************************************************************************/
+void pca9532_setBlink1Duty(uint8_t duty)
+{
+    uint8_t buf[2];
+
+    uint32_t tmp = duty;
+    if (tmp > 100) {
+        tmp = 100;
+    }
+
+    tmp = (256 * tmp)/100;
+
+    buf[0] = PCA9532_PWM1;
+    buf[1] = tmp;
+    I2CWrite(PCA9532_I2C_ADDR, buf, 2);
+}
+
+/******************************************************************************
+ *
+ * Description:
+ *    Set the LEDs that should blink with rate and duty cycle from PWM1.
+ *    Blinking is turned off with pca9532_setLeds.
+ *
+ * Params:
+ *    [in]  ledMask  - LEDs that should blink.
+ *
+ *****************************************************************************/
+void pca9532_setBlink1Leds(uint16_t ledMask)
+{
+    blink1Shadow |= ledMask;
+    setLeds();
+}
diff --git a/hw/bsp/ea4357/pca9532.h b/hw/bsp/ea4357/pca9532.h
new file mode 100644
index 0000000..7a7c6e1
--- /dev/null
+++ b/hw/bsp/ea4357/pca9532.h
@@ -0,0 +1,94 @@
+/*****************************************************************************
+ *
+ *   Copyright(C) 2011, Embedded Artists AB
+ *   All rights reserved.
+ *
+ ******************************************************************************
+ * Software that is described herein is for illustrative purposes only
+ * which provides customers with programming information regarding the
+ * products. This software is supplied "AS IS" without any warranties.
+ * Embedded Artists AB assumes no responsibility or liability for the
+ * use of the software, conveys no license or title under any patent,
+ * copyright, or mask work right to the product. Embedded Artists AB
+ * reserves the right to make changes in the software without
+ * notification. Embedded Artists AB also make no representation or
+ * warranty that such application will be suitable for the specified
+ * use without further testing or modification.
+ *****************************************************************************/
+#ifndef __PCA9532C_H
+#define __PCA9532C_H
+
+
+#define PCA9532_I2C_ADDR    (0xC0>>1)
+
+#define PCA9532_INPUT0 0x00
+#define PCA9532_INPUT1 0x01
+#define PCA9532_PSC0   0x02
+#define PCA9532_PWM0   0x03
+#define PCA9532_PSC1   0x04
+#define PCA9532_PWM1   0x05
+#define PCA9532_LS0    0x06
+#define PCA9532_LS1    0x07
+#define PCA9532_LS2    0x08
+#define PCA9532_LS3    0x09
+
+#define PCA9532_AUTO_INC 0x10
+
+
+/*
+ * The Keys on the base board are mapped to LED0 -> LED3 on
+ * the PCA9532.
+ */
+
+#define KEY1 0x0001
+#define KEY2 0x0002
+#define KEY3 0x0004
+#define KEY4 0x0008
+
+#define KEY_MASK 0x000F
+
+/*
+ * MMC Card Detect and MMC Write Protect are mapped to LED4 
+ * and LED5 on the PCA9532. Please note that WP is active low.
+ */
+
+#define MMC_CD 0x0010
+#define MMC_WP 0x0020
+
+#define MMC_MASK  0x30
+
+/* NOTE: LED6 and LED7 on PCA9532 are not connected to anything */
+#define PCA9532_NOT_USED 0xC0
+
+/*
+ * Below are the LED constants to use when enabling/disabling a LED.
+ * The LED names are the names printed on the base board and not
+ * the names from the PCA9532 device. base_LED1 -> LED8 on PCA9532,
+ * base_LED2 -> LED9, and so on.
+ */
+
+#define LED1 0x0100
+#define LED2 0x0200
+#define LED3 0x0400
+#define LED4 0x0800
+#define LED5 0x1000
+#define LED6 0x2000
+#define LED7 0x4000
+#define LED8 0x8000
+
+#define LED_MASK 0xFF00
+
+void pca9532_init (void);
+uint16_t pca9532_getLedState (uint32_t shadow);
+void pca9532_setLeds (uint16_t ledOnMask, uint16_t ledOffMask);
+void pca9532_setBlink0Period(uint8_t period);
+void pca9532_setBlink0Duty(uint8_t duty);
+void pca9532_setBlink0Leds(uint16_t ledMask);
+void pca9532_setBlink1Period(uint8_t period);
+void pca9532_setBlink1Duty(uint8_t duty);
+void pca9532_setBlink1Leds(uint16_t ledMask);
+
+#endif /* end __PCA9532C_H */
+/****************************************************************************
+**                            End Of File
+*****************************************************************************/