+++ /dev/null
-/******************************************************************************\r
-* DISCLAIMER\r
-\r
-* This software is supplied by Renesas Technology Corp. and is only \r
-* intended for use with Renesas products. No other uses are authorized.\r
-\r
-* This software is owned by Renesas Technology Corp. and is protected under \r
-* all applicable laws, including copyright laws.\r
-\r
-* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES\r
-* REGARDING THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, \r
-* INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A \r
-* PARTICULAR PURPOSE AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY \r
-* DISCLAIMED.\r
-\r
-* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS \r
-* TECHNOLOGY CORP. NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE \r
-* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES \r
-* FOR ANY REASON RELATED TO THE THIS SOFTWARE, EVEN IF RENESAS OR ITS \r
-* AFFILIATES HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.\r
-\r
-* Renesas reserves the right, without notice, to make changes to this \r
-* software and to discontinue the availability of this software. \r
-* By using this software, you agree to the additional terms and \r
-* conditions found by accessing the following link:\r
-* http://www.renesas.com/disclaimer\r
-******************************************************************************\r
-* Copyright (C) 2008. Renesas Technology Corp., All Rights Reserved.\r
-******************************************************************************* \r
-* File Name : phy.c\r
-* Version : 1.01\r
-* Description : Ethernet PHY device driver\r
-******************************************************************************\r
-* History : DD.MM.YYYY Version Description\r
-* : 15.02.2010 1.00 First Release\r
-* : 06.04.2010 1.01 RX62N changes\r
-******************************************************************************/\r
-\r
-\r
-/******************************************************************************\r
-Includes <System Includes> , "Project Includes"\r
-******************************************************************************/\r
-#include "iodefine.h"\r
-#include "r_ether.h"\r
-#include "phy.h"\r
-\r
-#include "FreeRTOS.h"\r
-#include "task.h"\r
-/******************************************************************************\r
-Typedef definitions\r
-******************************************************************************/\r
-\r
-/******************************************************************************\r
-Macro definitions\r
-******************************************************************************/\r
-\r
-/******************************************************************************\r
-Imported global variables and functions (from other files)\r
-******************************************************************************/\r
-\r
-/******************************************************************************\r
-Exported global variables and functions (to be accessed by other files)\r
-******************************************************************************/\r
-\r
-/******************************************************************************\r
-Private global variables and functions\r
-******************************************************************************/\r
-uint16_t _phy_read( uint16_t reg_addr );\r
-void _phy_write( uint16_t reg_addr, uint16_t data );\r
-void _phy_preamble( void );\r
-void _phy_reg_set( uint16_t reg_addr, int32_t option );\r
-void _phy_reg_read( uint16_t *data );\r
-void _phy_reg_write( uint16_t data );\r
-void _phy_ta_z0( void );\r
-void _phy_ta_10( void );\r
-void _phy_mii_write_1( void );\r
-void _phy_mii_write_0( void );\r
-\r
-/**\r
- * External functions\r
- */\r
-\r
-/******************************************************************************\r
-* Function Name: phy_init\r
-* Description : Resets Ethernet PHY device\r
-* Arguments : none\r
-* Return Value : none\r
-******************************************************************************/\r
-int16_t phy_init( void )\r
-{\r
- uint16_t reg;\r
- uint32_t count;\r
-\r
- /* Reset PHY */\r
- _phy_write(BASIC_MODE_CONTROL_REG, 0x8000);\r
-\r
- count = 0;\r
-\r
- do\r
- {\r
- vTaskDelay( 2 / portTICK_PERIOD_MS );\r
- reg = _phy_read(BASIC_MODE_CONTROL_REG);\r
- count++;\r
- } while (reg & 0x8000 && count < PHY_RESET_WAIT);\r
-\r
- if( count < PHY_RESET_WAIT )\r
- { \r
- return R_PHY_OK;\r
- }\r
- \r
- return R_PHY_ERROR;\r
-}\r
-\r
-/******************************************************************************\r
-* Function Name: phy_set_100full\r
-* Description : Set Ethernet PHY device to 100 Mbps full duplex\r
-* Arguments : none\r
-* Return Value : none\r
-******************************************************************************/\r
-void phy_set_100full( void )\r
-{\r
- _phy_write(BASIC_MODE_CONTROL_REG, 0x2100);\r
-}\r
-\r
-/******************************************************************************\r
-* Function Name: phy_set_10half\r
-* Description : Sets Ethernet PHY device to 10 Mbps half duplexR\r
-* Arguments : none\r
-* Return Value : none\r
-******************************************************************************/\r
-void phy_set_10half( void )\r
-{\r
- _phy_write(BASIC_MODE_CONTROL_REG, 0x0000);\r
-}\r
-\r
-/******************************************************************************\r
-* Function Name: phy_set_autonegotiate\r
-* Description : Starts autonegotiate and reports the other side's \r
-* : physical capability\r
-* Arguments : none\r
-* Return Value : bit 8 - Full duplex 100 mbps\r
-* : bit 7 - Half duplex 100 mbps\r
-* : bit 6 - Full duplex 10 mbps\r
-* : bit 5 - Half duplex 10 mbps\r
-* : bit 4:0 - Always set to 00001 (IEEE 802.3)\r
-* : -1 if error\r
-******************************************************************************/\r
-int16_t phy_set_autonegotiate( void )\r
-{\r
- uint16_t reg;\r
- uint32_t count;\r
-\r
- _phy_write(AN_ADVERTISEMENT_REG, 0x01E1);\r
- _phy_write(BASIC_MODE_CONTROL_REG, 0x1200);\r
- \r
- count = 0;\r
-\r
- do\r
- {\r
- reg = _phy_read(BASIC_MODE_STATUS_REG);\r
- count++;\r
- vTaskDelay( 100 / portTICK_PERIOD_MS );\r
- \r
- /* Make sure we don't break out if reg just contains 0xffff. */\r
- if( reg == 0xffff )\r
- {\r
- reg = 0;\r
- }\r
- \r
- } while (!(reg & 0x0020) && (count < PHY_AUTO_NEGOTIATON_WAIT));\r
-\r
- if (count >= PHY_AUTO_NEGOTIATON_WAIT)\r
- {\r
- return R_PHY_ERROR;\r
- }\r
- else\r
- {\r
- /* Get the link partner response */\r
- reg = (int16_t)_phy_read(AN_LINK_PARTNER_ABILITY_REG);\r
- \r
- if (reg & ( 1 << 8 ) )\r
- {\r
- return PHY_LINK_100F;\r
- }\r
- if (reg & ( 1 << 7 ) )\r
- {\r
- return PHY_LINK_100H;\r
- }\r
- if (reg & ( 1 << 6 ) )\r
- {\r
- return PHY_LINK_10F;\r
- }\r
- if (reg & 1 << 5 )\r
- {\r
- return PHY_LINK_10H;\r
- } \r
-\r
- return (-1);\r
- }\r
-}\r
-\r
-\r
-/**\r
- * Internal functions\r
- */\r
-\r
-/******************************************************************************\r
-* Function Name: _phy_read\r
-* Description : Reads a PHY register\r
-* Arguments : reg_addr - address of the PHY register\r
-* Return Value : read value\r
-******************************************************************************/\r
-uint16_t _phy_read( uint16_t reg_addr )\r
-{\r
- uint16_t data;\r
-\r
- _phy_preamble();\r
- _phy_reg_set( reg_addr, PHY_READ );\r
- _phy_ta_z0();\r
- _phy_reg_read( &data );\r
- _phy_ta_z0();\r
-\r
- return( data );\r
-}\r
-\r
-/******************************************************************************\r
-* Function Name: _phy_write\r
-* Description : Writes to a PHY register\r
-* Arguments : reg_addr - address of the PHY register\r
-* : data - value\r
-* Return Value : none\r
-******************************************************************************/\r
-void _phy_write( uint16_t reg_addr, uint16_t data )\r
-{\r
- _phy_preamble();\r
- _phy_reg_set( reg_addr, PHY_WRITE );\r
- _phy_ta_10();\r
- _phy_reg_write( data );\r
- _phy_ta_z0();\r
-}\r
-\r
-/******************************************************************************\r
-* Function Name: _phy_preamble\r
-* Description : As preliminary preparation for access to the PHY module register,\r
-* "1" is output via the MII management interface. \r
-* Arguments : none\r
-* Return Value : none\r
-******************************************************************************/\r
-void _phy_preamble( void )\r
-{\r
- int16_t i;\r
-\r
- i = 32;\r
- while( i > 0 )\r
- {\r
- _phy_mii_write_1();\r
- i--;\r
- }\r
-}\r
-\r
-/******************************************************************************\r
-* Function Name: _phy_reg_set\r
-* Description : Sets a PHY device to read or write mode\r
-* Arguments : reg_addr - address of the PHY register\r
-* : option - mode\r
-* Return Value : none\r
-******************************************************************************/\r
-void _phy_reg_set( uint16_t reg_addr, int32_t option )\r
-{\r
- int32_t i;\r
- uint16_t data;\r
-\r
- data = 0;\r
- data = (PHY_ST << 14); /* ST code */\r
-\r
- if( option == PHY_READ )\r
- {\r
- data |= (PHY_READ << 12); /* OP code(RD) */\r
- }\r
- else\r
- {\r
- data |= (PHY_WRITE << 12); /* OP code(WT) */\r
- }\r
-\r
- data |= (PHY_ADDR << 7); /* PHY Address */\r
- data |= (reg_addr << 2); /* Reg Address */\r
-\r
- i = 14;\r
- while( i > 0 )\r
- {\r
- if( (data & 0x8000) == 0 )\r
- {\r
- _phy_mii_write_0();\r
- }\r
- else\r
- {\r
- _phy_mii_write_1();\r
- }\r
- data <<= 1;\r
- i--;\r
- }\r
-}\r
-\r
-/******************************************************************************\r
-* Function Name: _phy_reg_read\r
-* Description : Reads PHY register through MII interface\r
-* Arguments : data - pointer to store the data read\r
-* Return Value : none\r
-******************************************************************************/\r
-void _phy_reg_read( uint16_t *data )\r
-{\r
- int32_t i, j;\r
- uint16_t reg_data;\r
-\r
- reg_data = 0;\r
- i = 16;\r
- while( i > 0 )\r
- {\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000000;\r
- }\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000001;\r
- }\r
- \r
- reg_data <<= 1;\r
- reg_data |= (uint16_t)((ETHERC.PIR.LONG & 0x00000008) >> 3); /* MDI read */\r
-\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000001;\r
- }\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000000;\r
- }\r
- i--;\r
- }\r
- *data = reg_data;\r
-}\r
-\r
-/******************************************************************************\r
-* Function Name: _phy_reg_write\r
-* Description : Writes to PHY register through MII interface\r
-* Arguments : data - value to write\r
-* Return Value : none\r
-******************************************************************************/\r
-void _phy_reg_write( uint16_t data )\r
-{\r
- int32_t i;\r
-\r
- i = 16;\r
- while( i > 0 )\r
- {\r
- if( (data & 0x8000) == 0 )\r
- {\r
- _phy_mii_write_0();\r
- }\r
- else\r
- {\r
- _phy_mii_write_1();\r
- }\r
- i--;\r
- data <<= 1;\r
- }\r
-}\r
-\r
-/******************************************************************************\r
-* Function Name: _phy_ta_z0\r
-* Description : Performs bus release so that PHY can drive data\r
-* : for read operation \r
-* Arguments : none\r
-* Return Value : none\r
-******************************************************************************/\r
-void _phy_ta_z0( void )\r
-{\r
- int32_t j;\r
-\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000000;\r
- }\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000001;\r
- }\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000001;\r
- }\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000000;\r
- }\r
-}\r
-\r
-/******************************************************************************\r
-* Function Name: _phy_ta_10\r
-* Description : Switches data bus so MII interface can drive data\r
-* : for write operation \r
-* Arguments : none\r
-* Return Value : none\r
-******************************************************************************/\r
-void _phy_ta_10(void)\r
-{\r
- _phy_mii_write_1();\r
- _phy_mii_write_0();\r
-}\r
-\r
-/******************************************************************************\r
-* Function Name: _phy_mii_write_1\r
-* Description : Outputs 1 to the MII interface \r
-* Arguments : none\r
-* Return Value : none\r
-******************************************************************************/\r
-void _phy_mii_write_1( void )\r
-{\r
- int32_t j;\r
-\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000006;\r
- }\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000007;\r
- }\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000007;\r
- }\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000006;\r
- }\r
-}\r
-\r
-/******************************************************************************\r
-* Function Name: _phy_mii_write_0\r
-* Description : Outputs 0 to the MII interface \r
-* Arguments : none\r
-* Return Value : none\r
-******************************************************************************/\r
-void _phy_mii_write_0( void )\r
-{\r
- int32_t j;\r
-\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000002;\r
- }\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000003;\r
- }\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000003;\r
- }\r
- for(j = MDC_WAIT; j > 0; j--)\r
- {\r
- ETHERC.PIR.LONG = 0x00000002;\r
- }\r
-}\r
-\r
-\r
projects / freertos / blobdiff