
100% NACK.
Signed-off-by: Ricardo Ribalda Delgado ricardo.ribalda@uam.es
include/asm-ppc/arch-ppc4xx/xbasic_types.h | 301 ++++++++++++++++++++++++++++ include/asm-ppc/arch-ppc4xx/xio.h | 63 ++++++ include/asm-ppc/arch-ppc4xx/xuartlite_l.h | 256 +++++++++++++++++++++++ include/asm-ppc/serial_xuartlite.h | 25 +++ 4 files changed, 645 insertions(+), 0 deletions(-) create mode 100644 include/asm-ppc/arch-ppc4xx/xbasic_types.h create mode 100644 include/asm-ppc/arch-ppc4xx/xio.h create mode 100644 include/asm-ppc/arch-ppc4xx/xuartlite_l.h create mode 100644 include/asm-ppc/serial_xuartlite.h
diff --git a/include/asm-ppc/arch-ppc4xx/xbasic_types.h b/include/asm-ppc/arch-ppc4xx/xbasic_types.h new file mode 100644 index 0000000..25012e6 --- /dev/null +++ b/include/asm-ppc/arch-ppc4xx/xbasic_types.h @@ -0,0 +1,301 @@ +/****************************************************************************** +* +* Author: Xilinx, Inc. +* +* +* This program is free software; you can redistribute it and/or modify it +* under the terms of the GNU General Public License as published by the +* Free Software Foundation; either version 2 of the License, or (at your +* option) any later version. +* +* +* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A +* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS +* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR STANDARD, +* XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION IS FREE +* FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE FOR OBTAINING +* ANY THIRD PARTY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION. +* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO +* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY +* WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM +* CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND +* FITNESS FOR A PARTICULAR PURPOSE. +* +* +* Xilinx hardware products are not intended for use in life support +* appliances, devices, or systems. Use in such applications is +* expressly prohibited. +* +* +* (c) Copyright 2002-2003 Xilinx Inc. +* All rights reserved. +* +* +* You should have received a copy of the GNU General Public License along +* with this program; if not, write to the Free Software Foundation, Inc., +* 675 Mass Ave, Cambridge, MA 02139, USA. +* +******************************************************************************/ +/*****************************************************************************/ +/** +* +* @file xbasic_types.h +* +* This file contains basic types for Xilinx software IP. These types do not +* follow the standard naming convention with respect to using the component +* name in front of each name because they are considered to be primitives. +* +* @note +* +* This file contains items which are architecture dependent. +* +* <pre> +* MODIFICATION HISTORY: +* +* Ver Who Date Changes +* ----- ---- -------- ----------------------------------------------- +* 1.00a rmm 12/14/01 First release +* rmm 05/09/03 Added "xassert always" macros to rid ourselves of diab +* compiler warnings +* </pre> +* +******************************************************************************/
+#ifndef XBASIC_TYPES_H /* prevent circular inclusions */ +#define XBASIC_TYPES_H /* by using protection macros */
+/***************************** Include Files *********************************/
+/************************** Constant Definitions *****************************/
+#ifndef TRUE +#define TRUE 1 +#endif +#ifndef FALSE +#define FALSE 0 +#endif
+#ifndef NULL +#define NULL 0 +#endif +/** Null */
+#define XCOMPONENT_IS_READY 0x11111111 /* component has been initialized */ +#define XCOMPONENT_IS_STARTED 0x22222222 /* component has been started */
+/* the following constants and declarations are for unit test purposes and are
- designed to be used in test applications.
- */
+#define XTEST_PASSED 0 +#define XTEST_FAILED 1
+#define XASSERT_NONE 0 +#define XASSERT_OCCURRED 1
+extern unsigned int XAssertStatus; +extern void XAssert(char *, int);
+/**************************** Type Definitions *******************************/
+/** @name Primitive types
- These primitive types are created for transportability.
- They are dependent upon the target architecture.
- @{
- */
+#include <linux/types.h>
+typedef struct {
- u32 Upper;
- u32 Lower;
+} Xuint64;
+/* Xilinx's unsigned integer types */ +typedef u32 Xuint32; +typedef u16 Xuint16; +typedef u8 Xuint8;
+/* and signed integer types */ +typedef s32 Xint32; +typedef s16 Xint16; +typedef s8 Xint8;
+#ifndef NULL +#define NULL 0 +#endif
+typedef unsigned long Xboolean; +#define XNULL NULL
+#define XTRUE 1 +#define XFALSE 0
+/*@}*/
+/**
- This data type defines an interrupt handler for a device.
- The argument points to the instance of the component
- */
+typedef void (*XInterruptHandler) (void *InstancePtr);
+/**
- This data type defines a callback to be invoked when an
- assert occurs. The callback is invoked only when asserts are enabled
- */
+typedef void (*XAssertCallback) (char *FilenamePtr, int LineNumber);
+/***************** Macros (Inline Functions) Definitions *********************/
+/*****************************************************************************/ +/** +* Return the most significant half of the 64 bit data type. +* +* @param x is the 64 bit word. +* +* @return +* +* The upper 32 bits of the 64 bit word. +* +* @note +* +* None. +* +******************************************************************************/ +#define XUINT64_MSW(x) ((x).Upper)
+/*****************************************************************************/ +/** +* Return the least significant half of the 64 bit data type. +* +* @param x is the 64 bit word. +* +* @return +* +* The lower 32 bits of the 64 bit word. +* +* @note +* +* None. +* +******************************************************************************/ +#define XUINT64_LSW(x) ((x).Lower)
+#ifndef NDEBUG
+/*****************************************************************************/ +/** +* This assert macro is to be used for functions that do not return anything +* (void). This in conjunction with the XWaitInAssert boolean can be used to +* accomodate tests so that asserts which fail allow execution to continue. +* +* @param expression is the expression to evaluate. If it evaluates to false, +* the assert occurs. +* +* @return +* +* Returns void unless the XWaitInAssert variable is true, in which case +* no return is made and an infinite loop is entered. +* +* @note +* +* None. +* +******************************************************************************/ +#define XASSERT_VOID(expression) \ +{ \
- if (expression) { \
XAssertStatus = XASSERT_NONE; \
- } else { \
XAssert(__FILE__, __LINE__); \
XAssertStatus = XASSERT_OCCURRED; \
return; \
- } \
+}
+/*****************************************************************************/ +/** +* This assert macro is to be used for functions that do return a value. This in +* conjunction with the XWaitInAssert boolean can be used to accomodate tests so +* that asserts which fail allow execution to continue. +* +* @param expression is the expression to evaluate. If it evaluates to false, +* the assert occurs. +* +* @return +* +* Returns 0 unless the XWaitInAssert variable is true, in which case +* no return is made and an infinite loop is entered. +* +* @note +* +* None. +* +******************************************************************************/ +#define XASSERT_NONVOID(expression) \ +{ \
- if (expression) { \
XAssertStatus = XASSERT_NONE; \
- } else { \
XAssert(__FILE__, __LINE__); \
XAssertStatus = XASSERT_OCCURRED; \
return 0; \
- } \
+}
+/*****************************************************************************/ +/** +* Always assert. This assert macro is to be used for functions that do not +* return anything (void). Use for instances where an assert should always +* occur. +* +* @return +* +* Returns void unless the XWaitInAssert variable is true, in which case +* no return is made and an infinite loop is entered. +* +* @note +* +* None. +* +******************************************************************************/ +#define XASSERT_VOID_ALWAYS() \ +{ \
- XAssert(__FILE__, __LINE__); \
- XAssertStatus = XASSERT_OCCURRED; \
- return; \
+}
+/*****************************************************************************/ +/** +* Always assert. This assert macro is to be used for functions that do return +* a value. Use for instances where an assert should always occur. +* +* @return +* +* Returns void unless the XWaitInAssert variable is true, in which case +* no return is made and an infinite loop is entered. +* +* @note +* +* None. +* +******************************************************************************/ +#define XASSERT_NONVOID_ALWAYS() \ +{ \
- XAssert(__FILE__, __LINE__); \
- XAssertStatus = XASSERT_OCCURRED; \
- return 0; \
+}
+#else
+#define XASSERT_VOID(expression) +#define XASSERT_VOID_ALWAYS() +#define XASSERT_NONVOID(expression) +#define XASSERT_NONVOID_ALWAYS() +#endif
+/************************** Function Prototypes ******************************/
+void XAssertSetCallback(XAssertCallback Routine);
+#endif /* end of protection macro */ diff --git a/include/asm-ppc/arch-ppc4xx/xio.h b/include/asm-ppc/arch-ppc4xx/xio.h new file mode 100644 index 0000000..7eed327 --- /dev/null +++ b/include/asm-ppc/arch-ppc4xx/xio.h @@ -0,0 +1,63 @@ +/*
- xio.h
- Defines XIo functions for Xilinx OCP in terms of Linux primitives
- Author: MontaVista Software, Inc.
source@mvista.com
- 2002 (c) MontaVista, Software, Inc. This file is licensed under the terms
- of the GNU General Public License version 2. This program is licensed
- "as is" without any warranty of any kind, whether express or implied.
- */
+#ifndef XIO_H +#define XIO_H
+#include "xbasic_types.h" +#include <asm/io.h>
+typedef u32 XIo_Address;
+extern inline u8 +XIo_In8(XIo_Address InAddress) +{
- return (u8) in_8((volatile unsigned char *) InAddress);
+} +extern inline u16 +XIo_In16(XIo_Address InAddress) +{
- return (u16) in_be16((volatile unsigned short *) InAddress);
+} +extern inline u32 +XIo_In32(XIo_Address InAddress) +{
- return (u32) in_be32((volatile unsigned *) InAddress);
+} +extern inline void +XIo_Out8(XIo_Address OutAddress, u8 Value) +{
- out_8((volatile unsigned char *) OutAddress, Value);
+} +extern inline void +XIo_Out16(XIo_Address OutAddress, u16 Value) +{
- out_be16((volatile unsigned short *) OutAddress, Value);
+} +extern inline void +XIo_Out32(XIo_Address OutAddress, u32 Value) +{
- out_be32((volatile unsigned *) OutAddress, Value);
+}
+#define XIo_ToLittleEndian16(s,d) (*(u16*)(d) = cpu_to_le16((u16)(s))) +#define XIo_ToLittleEndian32(s,d) (*(u32*)(d) = cpu_to_le32((u32)(s))) +#define XIo_ToBigEndian16(s,d) (*(u16*)(d) = cpu_to_be16((u16)(s))) +#define XIo_ToBigEndian32(s,d) (*(u32*)(d) = cpu_to_be32((u32)(s)))
+#define XIo_FromLittleEndian16(s,d) (*(u16*)(d) = le16_to_cpu((u16)(s))) +#define XIo_FromLittleEndian32(s,d) (*(u32*)(d) = le32_to_cpu((u32)(s))) +#define XIo_FromBigEndian16(s,d) (*(u16*)(d) = be16_to_cpu((u16)(s))) +#define XIo_FromBigEndian32(s,d) (*(u32*)(d) = be32_to_cpu((u32)(s)))
+#endif /* XIO_H */ diff --git a/include/asm-ppc/arch-ppc4xx/xuartlite_l.h b/include/asm-ppc/arch-ppc4xx/xuartlite_l.h new file mode 100644 index 0000000..b381a0d --- /dev/null +++ b/include/asm-ppc/arch-ppc4xx/xuartlite_l.h @@ -0,0 +1,256 @@ +/***************************************************************************** +* +* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" +* AS A COURTESY TO YOU, SOLELY FOR USE IN DEVELOPING PROGRAMS AND +* SOLUTIONS FOR XILINX DEVICES. BY PROVIDING THIS DESIGN, CODE, +* OR INFORMATION AS ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, +* APPLICATION OR STANDARD, XILINX IS MAKING NO REPRESENTATION +* THAT THIS IMPLEMENTATION IS FREE FROM ANY CLAIMS OF INFRINGEMENT, +* AND YOU ARE RESPONSIBLE FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE +* FOR YOUR IMPLEMENTATION. XILINX EXPRESSLY DISCLAIMS ANY +* WARRANTY WHATSOEVER WITH RESPECT TO THE ADEQUACY OF THE +* IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OR +* REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM CLAIMS OF +* INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +* FOR A PARTICULAR PURPOSE. +* +* (c) Copyright 2002 Xilinx Inc. +* All rights reserved. +* +*****************************************************************************/ +/****************************************************************************/ +/** +* +* @file xuartlite_l.h +* +* This header file contains identifiers and low-level driver functions (or +* macros) that can be used to access the device. High-level driver functions +* are defined in xuartlite.h. +* +* <pre> +* MODIFICATION HISTORY: +* +* Ver Who Date Changes +* ----- ---- -------- ----------------------------------------------- +* 1.00b rpm 04/25/02 First release +* </pre> +* +*****************************************************************************/
+#ifndef XUARTLITE_L_H /* prevent circular inclusions */ +#define XUARTLITE_L_H /* by using protection macros */
+/***************************** Include Files ********************************/
+#include "xbasic_types.h" +#include "xio.h"
+/************************** Constant Definitions ****************************/
+/* UART Lite register offsets */
+#define XUL_RX_FIFO_OFFSET 0 /* receive FIFO, read only */ +#define XUL_TX_FIFO_OFFSET 4 /* transmit FIFO, write only */ +#define XUL_STATUS_REG_OFFSET 8 /* status register, read only */ +#define XUL_CONTROL_REG_OFFSET 12 /* control register, write only */
+/* control register bit positions */
+#define XUL_CR_ENABLE_INTR 0x10 /* enable interrupt */ +#define XUL_CR_FIFO_RX_RESET 0x02 /* reset receive FIFO */ +#define XUL_CR_FIFO_TX_RESET 0x01 /* reset transmit FIFO */
+/* status register bit positions */
+#define XUL_SR_PARITY_ERROR 0x80 +#define XUL_SR_FRAMING_ERROR 0x40 +#define XUL_SR_OVERRUN_ERROR 0x20 +#define XUL_SR_INTR_ENABLED 0x10 /* interrupt enabled */ +#define XUL_SR_TX_FIFO_FULL 0x08 /* transmit FIFO full */ +#define XUL_SR_TX_FIFO_EMPTY 0x04 /* transmit FIFO empty */ +#define XUL_SR_RX_FIFO_FULL 0x02 /* receive FIFO full */ +#define XUL_SR_RX_FIFO_VALID_DATA 0x01 /* data in receive FIFO */
+/* the following constant specifies the size of the FIFOs, the size of the
- FIFOs includes the transmitter and receiver such that it is the total number
- of bytes that the UART can buffer
- */
+#define XUL_FIFO_SIZE 16
+/* Stop bits are fixed at 1. Baud, parity, and data bits are fixed on a
- per instance basis
- */
+#define XUL_STOP_BITS 1
+/* Parity definitions
- */
+#define XUL_PARITY_NONE 0 +#define XUL_PARITY_ODD 1 +#define XUL_PARITY_EVEN 2
+/**************************** Type Definitions ******************************/
+/***************** Macros (Inline Functions) Definitions ********************/
+/***************************************************************************** +* +* Low-level driver macros and functions. The list below provides signatures +* to help the user use the macros. +* +* void XUartLite_mSetControlReg(u32 BaseAddress, u32 Mask) +* u32 XUartLite_mGetControlReg(u32 BaseAddress) +* u32 XUartLite_mGetStatusReg(u32 BaseAddress) +* +* Xboolean XUartLite_mIsReceiveEmpty(u32 BaseAddress) +* Xboolean XUartLite_mIsTransmitFull(u32 BaseAddress) +* Xboolean XUartLite_mIsIntrEnabled(u32 BaseAddress) +* +* void XUartLite_mEnableIntr(u32 BaseAddress) +* void XUartLite_mDisableIntr(u32 BaseAddress) +* +* void XUartLite_SendByte(u32 BaseAddress, u8 Data); +* u8 XUartLite_RecvByte(u32 BaseAddress); +* +*****************************************************************************/
+/****************************************************************************/ +/** +* +* Set the contents of the control register. Use the XUL_CR_* constants defined +* above to create the bit-mask to be written to the register. +* +* @param BaseAddress is the base address of the device +* @param Mask is the 32-bit value to write to the control register +* +* @return None. +* +* @note None. +* +*****************************************************************************/ +#define XUartLite_mSetControlReg(BaseAddress, Mask) \
XIo_Out32((BaseAddress) + XUL_CONTROL_REG_OFFSET, (Mask))
+/****************************************************************************/ +/** +* +* Get the contents of the control register. Use the XUL_CR_* constants defined +* above to interpret the bit-mask returned. +* +* @param BaseAddress is the base address of the device +* +* @return A 32-bit value representing the contents of the control register. +* +* @note None. +* +*****************************************************************************/ +#define XUartLite_mGetControlReg(BaseAddress) \
XIo_In32((BaseAddress) + XUL_CONTROL_REG_OFFSET)
+/****************************************************************************/ +/** +* +* Get the contents of the status register. Use the XUL_SR_* constants defined +* above to interpret the bit-mask returned. +* +* @param BaseAddress is the base address of the device +* +* @return A 32-bit value representing the contents of the status register. +* +* @note None. +* +*****************************************************************************/ +#define XUartLite_mGetStatusReg(BaseAddress) \
XIo_In32((BaseAddress) + XUL_STATUS_REG_OFFSET)
+/****************************************************************************/ +/** +* +* Check to see if the receiver has data. +* +* @param BaseAddress is the base address of the device +* +* @return XTRUE if the receiver is empty, XFALSE if there is data present. +* +* @note None. +* +*****************************************************************************/ +#define XUartLite_mIsReceiveEmpty(BaseAddress) \
(!(XUartLite_mGetStatusReg((BaseAddress)) & XUL_SR_RX_FIFO_VALID_DATA))
+/****************************************************************************/ +/** +* +* Check to see if the transmitter is full. +* +* @param BaseAddress is the base address of the device +* +* @return XTRUE if the transmitter is full, XFALSE otherwise. +* +* @note None. +* +*****************************************************************************/ +#define XUartLite_mIsTransmitFull(BaseAddress) \
(XUartLite_mGetStatusReg((BaseAddress)) & XUL_SR_TX_FIFO_FULL)
+/****************************************************************************/ +/** +* +* Check to see if the interrupt is enabled. +* +* @param BaseAddress is the base address of the device +* +* @return XTRUE if the interrupt is enabled, XFALSE otherwise. +* +* @note None. +* +*****************************************************************************/ +#define XUartLite_mIsIntrEnabled(BaseAddress) \
(XUartLite_mGetStatusReg((BaseAddress)) & XUL_SR_INTR_ENABLED)
+/****************************************************************************/ +/** +* +* Enable the device interrupt. Preserve the contents of the control register. +* +* @param BaseAddress is the base address of the device +* +* @return None. +* +* @note None. +* +*****************************************************************************/ +#define XUartLite_mEnableIntr(BaseAddress) \
XUartLite_mSetControlReg((BaseAddress), \
XUartLite_mGetControlReg((BaseAddress)) | XUL_CR_ENABLE_INTR)
+/****************************************************************************/ +/** +* +* Disable the device interrupt. Preserve the contents of the control register. +* +* @param BaseAddress is the base address of the device +* +* @return None. +* +* @note None. +* +*****************************************************************************/ +#define XUartLite_mDisableIntr(BaseAddress) \
XUartLite_mSetControlReg((BaseAddress), \
XUartLite_mGetControlReg((BaseAddress)) & ~XUL_CR_ENABLE_INTR)
+/************************** Function Prototypes *****************************/
+void XUartLite_SendByte(u32 BaseAddress, u8 Data); +u8 XUartLite_RecvByte(u32 BaseAddress);
+#endif /* end of protection macro */ diff --git a/include/asm-ppc/serial_xuartlite.h b/include/asm-ppc/serial_xuartlite.h new file mode 100644 index 0000000..6cd1e83 --- /dev/null +++ b/include/asm-ppc/serial_xuartlite.h @@ -0,0 +1,25 @@ +/*
- (C) Copyright 2004 Atmark Techno, Inc.
- Yasushi SHOJI yashi@atmark-techno.com
- See file CREDITS for list of people who contributed to this
- project.
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- MA 02111-1307 USA
- */
+#include <asm/arch/xuartlite_l.h>