STM32 F7: Quick'n'dirty port of the STM32 F4 Ethernet driver. Does not yet even compile
This commit is contained in:
Gregory Nutt
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9908449fca
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1d3329e6d9
@ -444,4 +444,198 @@ config STM32F7_DTCM_PROCFS
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will provide statistics about DTCM memory use similar to what you
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would get from mallinfo() for the user heap.
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if STM32F7_ETHMAC
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menu "Ethernet MAC configuration"
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config STM32F7_PHYADDR
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int "PHY address"
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default 1
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---help---
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The 5-bit address of the PHY on the board. Default: 1
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config STM32F7_PHYINIT
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bool "Board-specific PHY Initialization"
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default n
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---help---
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Some boards require specialized initialization of the PHY before it can be used.
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This may include such things as configuring GPIOs, resetting the PHY, etc. If
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STM32F7_PHYINIT is defined in the configuration then the board specific logic must
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provide stm32_phyinitialize(); The STM32 Ethernet driver will call this function
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one time before it first uses the PHY.
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config STM32F7_MII
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bool "Use MII interface"
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default n
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---help---
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Support Ethernet MII interface.
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choice
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prompt "MII clock configuration"
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default STM32F7_MII_EXTCLK
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depends on STM32F7_MII
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config STM32F7_MII_MCO1
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bool "Use MC01 as MII clock"
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---help---
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Use MCO1 to clock the MII interface.
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config STM32F7_MII_MCO2
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bool "Use MC02 as MII clock"
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---help---
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Use MCO2 to clock the MII interface.
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config STM32F7_MII_EXTCLK
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bool "External MII clock"
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---help---
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Clocking is provided by external logic.
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endchoice
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config STM32F7_AUTONEG
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bool "Use autonegotiation"
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default y
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---help---
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Use PHY autonegotiation to determine speed and mode
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config STM32F7_ETHFD
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bool "Full duplex"
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default n
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depends on !STM32F7_AUTONEG
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---help---
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If STM32F7_AUTONEG is not defined, then this may be defined to select full duplex
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mode. Default: half-duplex
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config STM32F7_ETH100MBPS
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bool "100 Mbps"
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default n
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depends on !STM32F7_AUTONEG
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---help---
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If STM32F7_AUTONEG is not defined, then this may be defined to select 100 MBps
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speed. Default: 10 Mbps
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config STM32F7_PHYSR
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int "PHY Status Register Address (decimal)"
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depends on STM32F7_AUTONEG
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---help---
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This must be provided if STM32F7_AUTONEG is defined. The PHY status register
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address may diff from PHY to PHY. This configuration sets the address of
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the PHY status register.
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config STM32F7_PHYSR_ALTCONFIG
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bool "PHY Status Alternate Bit Layout"
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default n
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depends on STM32F7_AUTONEG
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---help---
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Different PHYs present speed and mode information in different ways. Some
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will present separate information for speed and mode (this is the default).
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Those PHYs, for example, may provide a 10/100 Mbps indication and a separate
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full/half duplex indication. This options selects an alternative representation
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where speed and mode information are combined. This might mean, for example,
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separate bits for 10HD, 100HD, 10FD and 100FD.
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config STM32F7_PHYSR_SPEED
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hex "PHY Speed Mask"
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depends on STM32F7_AUTONEG && !STM32F7_PHYSR_ALTCONFIG
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---help---
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This must be provided if STM32F7_AUTONEG is defined. This provides bit mask
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for isolating the 10 or 100MBps speed indication.
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config STM32F7_PHYSR_100MBPS
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hex "PHY 100Mbps Speed Value"
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depends on STM32F7_AUTONEG && !STM32F7_PHYSR_ALTCONFIG
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---help---
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This must be provided if STM32F7_AUTONEG is defined. This provides the value
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of the speed bit(s) indicating 100MBps speed.
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config STM32F7_PHYSR_MODE
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hex "PHY Mode Mask"
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depends on STM32F7_AUTONEG && !STM32F7_PHYSR_ALTCONFIG
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---help---
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This must be provided if STM32F7_AUTONEG is defined. This provide bit mask
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for isolating the full or half duplex mode bits.
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config STM32F7_PHYSR_FULLDUPLEX
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hex "PHY Full Duplex Mode Value"
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depends on STM32F7_AUTONEG && !STM32F7_PHYSR_ALTCONFIG
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---help---
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This must be provided if STM32F7_AUTONEG is defined. This provides the
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value of the mode bits indicating full duplex mode.
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config STM32F7_PHYSR_ALTMODE
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hex "PHY Mode Mask"
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depends on STM32F7_AUTONEG && STM32F7_PHYSR_ALTCONFIG
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---help---
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This must be provided if STM32F7_AUTONEG is defined. This provide bit mask
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for isolating the speed and full/half duplex mode bits.
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config STM32F7_PHYSR_10HD
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hex "10MBase-T Half Duplex Value"
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depends on STM32F7_AUTONEG && STM32F7_PHYSR_ALTCONFIG
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---help---
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This must be provided if STM32F7_AUTONEG is defined. This is the value
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under the bit mask that represents the 10Mbps, half duplex setting.
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config STM32F7_PHYSR_100HD
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hex "100Base-T Half Duplex Value"
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depends on STM32F7_AUTONEG && STM32F7_PHYSR_ALTCONFIG
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---help---
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This must be provided if STM32F7_AUTONEG is defined. This is the value
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under the bit mask that represents the 100Mbps, half duplex setting.
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config STM32F7_PHYSR_10FD
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hex "10Base-T Full Duplex Value"
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depends on STM32F7_AUTONEG && STM32F7_PHYSR_ALTCONFIG
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---help---
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This must be provided if STM32F7_AUTONEG is defined. This is the value
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under the bit mask that represents the 10Mbps, full duplex setting.
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config STM32F7_PHYSR_100FD
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hex "100Base-T Full Duplex Value"
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depends on STM32F7_AUTONEG && STM32F7_PHYSR_ALTCONFIG
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---help---
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This must be provided if STM32F7_AUTONEG is defined. This is the value
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under the bit mask that represents the 100Mbps, full duplex setting.
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config STM32F7_ETH_PTP
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bool "Precision Time Protocol (PTP)"
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default n
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---help---
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Precision Time Protocol (PTP). Not supported but some hooks are indicated
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with this condition.
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config STM32F7_RMII
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bool
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default y if !STM32F7_MII
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choice
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prompt "RMII clock configuration"
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default STM32F7_RMII_EXTCLK
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depends on STM32F7_RMII
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config STM32F7_RMII_MCO1
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bool "Use MC01 as RMII clock"
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---help---
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Use MCO1 to clock the RMII interface.
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config STM32F7_RMII_MCO2
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bool "Use MC02 as RMII clock"
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---help---
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Use MCO2 to clock the RMII interface.
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config STM32F7_RMII_EXTCLK
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bool "External RMII clock"
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---help---
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Clocking is provided by external logic.
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endchoice
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config STM32F7_ETHMAC_REGDEBUG
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bool "Register-Level Debug"
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default n
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depends on DEBUG
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---help---
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Enable very low-level register access debug. Depends on DEBUG.
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endmenu
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endif # STM32F7_ETHMAC
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endif # ARCH_CHIP_STM32F7
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@ -128,6 +128,10 @@ CHIP_CSRCS += stm32_exti_alarm.c
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endif
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endif
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ifeq ($(CONFIG_STM32F7_ETHMAC),y)
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CHIP_CSRCS += stm32_ethernet.c
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endif
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ifeq ($(CONFIG_DEBUG),y)
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CHIP_CSRCS += stm32_dumpgpio.c
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endif
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4136
arch/arm/src/stm32f7/stm32_ethernet.c
Normal file
4136
arch/arm/src/stm32f7/stm32_ethernet.c
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File diff suppressed because it is too large
Load Diff
118
arch/arm/src/stm32f7/stm32_ethernet.h
Normal file
118
arch/arm/src/stm32f7/stm32_ethernet.h
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@ -0,0 +1,118 @@
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/************************************************************************************
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* arch/arm/src/stm32f7/stm32_ethernet.h
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_ARM_SRC_STM32F7_STM32_ETHERNET_H
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#define __ARCH_ARM_SRC_STM32F7_STM32_ETHERNET_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include "chip/stm32_ethernet.h"
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#if STM32F7_NETHERNET > 0
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#ifndef __ASSEMBLY__
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/************************************************************************************
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* Function: stm32_ethinitialize
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*
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* Description:
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* Initialize the Ethernet driver for one interface. If the STM32 chip supports
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* multiple Ethernet controllers, then board specific logic must implement
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* up_netinitialize() and call this function to initialize the desired interfaces.
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*
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* Parameters:
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* intf - In the case where there are multiple EMACs, this value identifies which
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* EMAC is to be initialized.
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*
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* Returned Value:
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* OK on success; Negated errno on failure.
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*
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* Assumptions:
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*
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************************************************************************************/
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#if STM32F7_NETHERNET > 1
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int stm32_ethinitialize(int intf);
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#endif
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/************************************************************************************
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* Function: stm32_phy_boardinitialize
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*
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* Description:
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* Some boards require specialized initialization of the PHY before it can be used.
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* This may include such things as configuring GPIOs, resetting the PHY, etc. If
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* CONFIG_STM32F7_PHYINIT is defined in the configuration then the board specific
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* logic must provide stm32_phyinitialize(); The STM32 Ethernet driver will call
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* this function one time before it first uses the PHY.
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*
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* Parameters:
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* intf - Always zero for now.
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*
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* Returned Value:
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* OK on success; Negated errno on failure.
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*
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* Assumptions:
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*
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************************************************************************************/
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#ifdef CONFIG_STM32F7_PHYINIT
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int stm32_phy_boardinitialize(int intf);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* STM32F7_NETHERNET > 0 */
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#endif /* __ARCH_ARM_SRC_STM32F7_STM32_ETHERNET_H */
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