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SAMA5D4: Still trying to reconcile Ethernet interfaces

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This commit is contained in:
Gregory Nutt 2014-06-11 08:01:48 -06:00
parent 379f516780
commit 288c891ad1
4 changed files with 99 additions and 31 deletions
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28
arch/arm/src/sama5/Kconfig
View File

@ -1186,20 +1186,6 @@ config SAMA5_EMAC_NTXBUFFERS
that can be in flight. This is also equal to the number of TX
descriptors that will be allocated.
config SAMA5_EMAC_PREALLOCATE
bool "Preallocate buffers"
default n
---help---
Buffer an descriptor many may either be allocated from the memory
pool or pre-allocated to lie in .bss. This options selected pre-
allocated buffer memory.
config SAMA5_EMAC_NBC
bool "Disable Broadcast"
default n
---help---
Select to disable receipt of broadcast packets.
config SAMA5_EMAC_PHYADDR
int "PHY address"
default 1
@ -1332,6 +1318,20 @@ config SAMA5_EMAC_PHYSR_100FD
This must be provided if SAMA5_EMAC_AUTONEG is defined. This is the value
under the bit mask that represents the 100Mbps, full duplex setting.
config SAMA5_EMACA_PREALLOCATE
bool "Preallocate buffers"
default n
---help---
Buffer an descriptor many may either be allocated from the memory
pool or pre-allocated to lie in .bss. This options selected pre-
allocated buffer memory.
config SAMA5_EMACA_NBC
bool "Disable Broadcast"
default n
---help---
Select to disable receipt of broadcast packets.
config SAMA5_EMACA_REGDEBUG
bool "Register-Level Debug"
default n

7
arch/arm/src/sama5/chip/sam_emac.h
View File

@ -42,6 +42,13 @@
#include <nuttx/config.h>
/* These two EMAC implementations differ in naming and in register layout but are
* functionally equivalent. Here they are distinguished as 'A' and 'B'. For now,
* the 'A' and 'B' drivers are kept separate (mostly because the 'B' driver needs
* to support two EMAC blocks. But the 'B' driver should replace the 'A' driver
* someday.
*/
#if defined(CONFIG_SAMA5_EMACA)
# include "chip/sam_emaca.h"
#elif defined(CONFIG_SAMA5_EMACB)

37
arch/arm/src/sama5/sam_emaca.c
View File

@ -1,6 +1,9 @@
/****************************************************************************
* arch/arm/src/sama5/sam_emaca.c
*
* 10/100 Base-T Ethernet driver for the SAMA5D3. Denoted as 'A' to
* distinguish it from the SAMA5D4 EMAC driver.
*
* Copyright (C) 2013-2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
@ -81,7 +84,7 @@
#if defined(CONFIG_NET) && defined(CONFIG_SAMA5_EMACA)
/****************************************************************************
* Definitions
* Preprocessor Definitions
****************************************************************************/
/* Configuration ************************************************************/
@ -97,7 +100,7 @@
# define CONFIG_SAMA5_EMAC_NTXBUFFERS 8
#endif
#undef CONFIG_SAMA5_EMAC_NBC
#undef CONFIG_SAMA5_EMACA_NBC
#ifndef CONFIG_SAMA5_EMAC_PHYADDR
# error "CONFIG_SAMA5_EMAC_PHYADDR must be defined in the NuttX configuration"
@ -290,7 +293,7 @@ struct sam_emac_s
static struct sam_emac_s g_emac;
#ifdef CONFIG_SAMA5_EMAC_PREALLOCATE
#ifdef CONFIG_SAMA5_EMACA_PREALLOCATE
/* Preallocated data */
/* TX descriptors list */
@ -565,7 +568,7 @@ static uint16_t sam_txfree(struct sam_emac_s *priv)
static int sam_buffer_initialize(struct sam_emac_s *priv)
{
#ifdef CONFIG_SAMA5_EMAC_PREALLOCATE
#ifdef CONFIG_SAMA5_EMACA_PREALLOCATE
/* Use pre-allocated buffers */
priv->txdesc = g_txdesc;
@ -643,7 +646,7 @@ static int sam_buffer_initialize(struct sam_emac_s *priv)
static void sam_buffer_free(struct sam_emac_s *priv)
{
#ifndef CONFIG_SAMA5_EMAC_PREALLOCATE
#ifndef CONFIG_SAMA5_EMACA_PREALLOCATE
/* Free allocated buffers */
if (priv->txdesc)
@ -723,7 +726,7 @@ static int sam_transmit(struct sam_emac_s *priv)
return -EBUSY;
}
/* Setup/Copy data to transmition buffer */
/* Setup/Copy data to transmission buffer */
if (dev->d_len > 0)
{
@ -1086,7 +1089,9 @@ static int sam_recvframe(struct sam_emac_s *priv)
}
}
/* We have not encount the SOF yet... discard this fragment and keep looking */
/* We have not encountered the SOF yet... discard this fragment and
* keep looking
*/
else
{
@ -1230,7 +1235,7 @@ static void sam_txdone(struct sam_emac_s *priv)
{
struct emac_txdesc_s *txdesc;
/* Are there any outstanding transmssions? Loop until either (1) all of
/* Are there any outstanding transmissions? Loop until either (1) all of
* the TX have been examined, or (2) until we encounter the first
* descriptor that is still in use by the hardware.
*/
@ -2525,7 +2530,7 @@ static int sam_phyinit(struct sam_emac_s *priv)
* Function: sam_ethgpioconfig
*
* Description:
* Configure GPIOs for the EMAC interface.
* Configure PIOs for the EMAC interface.
*
* Parameters:
* priv - A reference to the private driver state structure
@ -2824,7 +2829,7 @@ static int sam_emac_configure(struct sam_emac_s *priv)
regval &= ~EMAC_NCFGR_CAF;
#endif
#ifdef CONFIG_SAMA5_EMAC_NBC
#ifdef CONFIG_SAMA5_EMACA_NBC
regval |= EMAC_NCFGR_NBC;
#else
regval &= ~EMAC_NCFGR_NBC;
@ -2895,7 +2900,7 @@ int sam_emac_initialize(void)
priv->txpoll = wd_create();
if (!priv->txpoll)
{
nlldbg("ERROR: Failed to create periodic poll timer\n");
ndbg("ERROR: Failed to create periodic poll timer\n");
ret = -EAGAIN;
goto errout;
}
@ -2903,7 +2908,7 @@ int sam_emac_initialize(void)
priv->txtimeout = wd_create(); /* Create TX timeout timer */
if (!priv->txpoll)
{
nlldbg("ERROR: Failed to create periodic poll timer\n");
ndbg("ERROR: Failed to create periodic poll timer\n");
ret = -EAGAIN;
goto errout_with_txpoll;
}
@ -2917,7 +2922,7 @@ int sam_emac_initialize(void)
ret = sam_buffer_initialize(priv);
if (ret < 0)
{
nlldbg("ERROR: sam_buffer_initialize failed: %d\n", ret);
ndbg("ERROR: sam_buffer_initialize failed: %d\n", ret);
goto errout_with_txtimeout;
}
@ -2928,7 +2933,7 @@ int sam_emac_initialize(void)
ret = irq_attach(SAM_IRQ_EMAC, sam_emac_interrupt);
if (ret < 0)
{
nlldbg("ERROR: Failed to attach the handler to the IRQ%d\n", SAM_IRQ_EMAC);
ndbg("ERROR: Failed to attach the handler to the IRQ%d\n", SAM_IRQ_EMAC);
goto errout_with_buffers;
}
@ -2941,7 +2946,7 @@ int sam_emac_initialize(void)
ret = sam_ifdown(&priv->dev);
if (ret < 0)
{
nlldbg("ERROR: Failed to put the interface in the down state: %d\n", ret);
ndbg("ERROR: Failed to put the interface in the down state: %d\n", ret);
goto errout_with_buffers;
}
@ -2953,7 +2958,7 @@ int sam_emac_initialize(void)
return ret;
}
nlldbg("ERROR: netdev_register() failed: %d\n", ret);
ndbg("ERROR: netdev_register() failed: %d\n", ret);
errout_with_buffers:
sam_buffer_free(priv);

58
arch/arm/src/sama5/sam_ethernet.h
View File

@ -1,7 +1,7 @@
/************************************************************************************
* arch/arm/src/sama5/sam_ethernet.h
*
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Copyright (C) 2013-2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -78,6 +78,10 @@
# error GMAC and EMAC cannot both be ETH0
#endif
#if defined(CONFIG_SAMA5_EMAC0_ISETH0) && defined(CONFIG_SAMA5_EMAC1_ISETH0)
# error EMAC0 and EMAC2 cannot both be ETH0
#endif
#if defined(CONFIG_SAMA5_GMAC_ISETH0)
# if defined(CONFIG_ETH0_PHY_DM9161)
# define SAMA5_GMAC_PHY_DM9161 1
@ -130,6 +134,58 @@
# endif
#endif
#if defined(CONFIG_SAMA5_EMAC0_ISETH0)
# if defined(CONFIG_ETH0_PHY_DM9161)
# define SAMA5_EMAC0_PHY_DM9161 1
# elif defined(CONFIG_ETH0_PHY_LAN8700)
# define SAMA5_EMAC0_PHY_LAN8700 1
# elif defined(CONFIG_ETH0_PHY_KSZ8051)
# define SAMA5_EMAC0_PHY_KSZ8051 1
# elif defined(CONFIG_ETH0_PHY_KSZ90x1)
# define SAMA5_EMAC0_PHY_KSZ90x1 1
# else
# error ETH0 PHY unrecognized
# endif
#elif defined(CONFIG_SAMA5_EMAC0)
# if defined(CONFIG_ETH1_PHY_DM9161)
# define SAMA5_EMAC0_PHY_DM9161 1
# elif defined(CONFIG_ETH1_PHY_LAN8700)
# define SAMA5_EMAC0_PHY_LAN8700 1
# elif defined(CONFIG_ETH1_PHY_KSZ8051)
# define SAMA5_EMAC0_PHY_KSZ8051 1
# elif defined(CONFIG_ETH1_PHY_KSZ90x1)
# define SAMA5_EMAC0_PHY_KSZ90x1 1
# else
# error ETH1 PHY unrecognized
# endif
#endif
#if defined(CONFIG_SAMA5_EMAC1_ISETH0)
# if defined(CONFIG_ETH0_PHY_DM9161)
# define SAMA5_EMAC1_PHY_DM9161 1
# elif defined(CONFIG_ETH0_PHY_LAN8700)
# define SAMA5_EMAC1_PHY_LAN8700 1
# elif defined(CONFIG_ETH0_PHY_KSZ8051)
# define SAMA5_EMAC1_PHY_KSZ8051 1
# elif defined(CONFIG_ETH0_PHY_KSZ90x1)
# define SAMA5_EMAC1_PHY_KSZ90x1 1
# else
# error ETH0 PHY unrecognized
# endif
#elif defined(CONFIG_SAMA5_EMAC1)
# if defined(CONFIG_ETH1_PHY_DM9161)
# define SAMA5_EMAC1_PHY_DM9161 1
# elif defined(CONFIG_ETH1_PHY_LAN8700)
# define SAMA5_EMAC1_PHY_LAN8700 1
# elif defined(CONFIG_ETH1_PHY_KSZ8051)
# define SAMA5_EMAC1_PHY_KSZ8051 1
# elif defined(CONFIG_ETH1_PHY_KSZ90x1)
# define SAMA5_EMAC1_PHY_KSZ90x1 1
# else
# error ETH1 PHY unrecognized
# endif
#endif
/************************************************************************************
* Public Functions
************************************************************************************/