sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Clean-up and document LP17xx ethernet driver configuration settings

Browse Source 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3109 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2010-11-14 17:33:45 +00:00
parent 06ab352a16
commit 3bbbecd347
1 changed files with 49 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

90
arch/arm/src/lpc17xx/lpc17_ethernet.c
View File

@ -91,12 +91,18 @@
# define CONFIG_LPC17_NINTERFACES 1
#endif
/* If IGMP is enabled, then accept multi-cast frames. */
#if defined(CONFIG_NET_IGMP) && !defined(CONFIG_NET_MULTICAST)
# define CONFIG_NET_MULTICAST 1
#endif
/* If the user did not specify a priority for Ethernet interrupts, set the
* interrupt priority to the maximum.
*/
#ifndef CONFIG_ETH_PRIORITY
# define CONFIG_ETH_PRIORITY NVIC_SYSH_PRIORITY_MAX
#ifndef CONFIG_NET_PRIORITY
# define CONFIG_NET_PRIORITY NVIC_SYSH_PRIORITY_MAX
#endif
/* TX poll deley = 1 seconds. CLK_TCK is the number of clock ticks per second */
@ -168,8 +174,8 @@
* descriptors will determine the organization and the size of the
* descriptor and status tables. There is a complex interaction between
* the maximum packet size (CONFIG_NET_BUFSIZE) and the number of
* Rx and Tx descriptors that can be suppored (CONFIG_ETH_NRXDESC and
* CONFIG_ETH_NTXDESC): Small buffers -> more packets. This is
* Rx and Tx descriptors that can be suppored (CONFIG_NET_NRXDESC and
* CONFIG_NET_NTXDESC): Small buffers -> more packets. This is
* something that needs to be tuned for you system.
*
* For a 16Kb SRAM region, here is the relationship:
@ -223,18 +229,18 @@
* SRAM for the use in the heap. But that has not yet been pursued.]
*/
#ifndef CONFIG_ETH_NTXDESC
# define CONFIG_ETH_NTXDESC 18
#ifndef CONFIG_NET_NTXDESC
# define CONFIG_NET_NTXDESC 18
#endif
#define LPC17_TXDESCTAB_SIZE (CONFIG_ETH_NTXDESC*LPC17_TXDESC_SIZE)
#define LPC17_TXSTATTAB_SIZE (CONFIG_ETH_NTXDESC*LPC17_TXSTAT_SIZE)
#define LPC17_TXDESCTAB_SIZE (CONFIG_NET_NTXDESC*LPC17_TXDESC_SIZE)
#define LPC17_TXSTATTAB_SIZE (CONFIG_NET_NTXDESC*LPC17_TXSTAT_SIZE)
#define LPC17_TXTAB_SIZE (LPC17_TXDESCTAB_SIZE+LPC17_TXSTATTAB_SIZE)
#ifndef CONFIG_ETH_NRXDESC
# define CONFIG_ETH_NRXDESC 18
#ifndef CONFIG_NET_NRXDESC
# define CONFIG_NET_NRXDESC 18
#endif
#define LPC17_RXDESCTAB_SIZE (CONFIG_ETH_NRXDESC*LPC17_RXDESC_SIZE)
#define LPC17_RXSTATTAB_SIZE (CONFIG_ETH_NRXDESC*LPC17_RXSTAT_SIZE)
#define LPC17_RXDESCTAB_SIZE (CONFIG_NET_NRXDESC*LPC17_RXDESC_SIZE)
#define LPC17_RXSTATTAB_SIZE (CONFIG_NET_NRXDESC*LPC17_RXSTAT_SIZE)
#define LPC17_RXTAB_SIZE (LPC17_RXDESCTAB_SIZE+LPC17_RXSTATTAB_SIZE)
#define LPC17_DESCTAB_SIZE (LPC17_TXTAB_SIZE+LPC17_RXTAB_SIZE)
@ -267,8 +273,8 @@
#define LPC17_PKTMEM_END (LPC17_EMACRAM_BASE+LPC17_PKTMEM_SIZE)
#define LPC17_MAXPACKET_SIZE ((CONFIG_NET_BUFSIZE + 3 + 2) & ~3)
#define LPC17_NTXPKTS CONFIG_ETH_NTXDESC
#define LPC17_NRXPKTS CONFIG_ETH_NRXDESC
#define LPC17_NTXPKTS CONFIG_NET_NTXDESC
#define LPC17_NRXPKTS CONFIG_NET_NRXDESC
#define LPC17_TXBUFFER_SIZE (LPC17_NTXPKTS * LPC17_MAXPACKET_SIZE)
#define LPC17_RXBUFFER_SIZE (LPC17_NRXPKTS * LPC17_MAXPACKET_SIZE)
@ -286,7 +292,7 @@
/* Register debug -- can only happen of CONFIG_DEBUG is selected */
#ifndef CONFIG_DEBUG
# undef CONFIG_LPC17_ENET_REGDEBUG
# undef CONFIG_NET_REGDEBUG
#endif
/****************************************************************************
@ -298,7 +304,7 @@
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
struct lpc17_statistics_s
{
#if ENABLE_WOL
#ifdef ENABLE_WOL
uint32_t wol; /* Wake-up interrupts */
#endif
uint32_t rx_finished; /* Rx finished interrupts */
@ -388,7 +394,7 @@ static const uint16_t g_enetpins[GPIO_NENET_PINS] =
/* Register operations */
#ifdef CONFIG_LPC17_ENET_REGDEBUG
#ifdef CONFIG_NET_REGDEBUG
static void lpc17_printreg(uint32_t addr, uint32_t val, bool iswrite);
static void lpc17_checkreg(uint32_t addr, uint32_t val, bool iswrite);
static uint32_t lpc17_getreg(uint32_t addr);
@ -428,7 +434,7 @@ static int lpc17_rmmac(struct uip_driver_s *dev, const uint8_t *mac);
/* Initialization functions */
#ifdef CONFIG_LPC17_ENET_REGDEBUG
#ifdef CONFIG_NET_REGDEBUG
static void lpc17_showpins(void);
#else
# define lpc17_showpins()
@ -437,7 +443,7 @@ static void lpc17_showpins(void);
/* PHY initialization functions */
#ifdef LPC17_HAVE_PHY
# ifdef CONFIG_LPC17_ENET_REGDEBUG
# ifdef CONFIG_NET_REGDEBUG
static void lpc17_showmii(uint8_t phyaddr, const char *msg);
# else
# define lpc17_showmii(phyaddr,msg)
@ -475,7 +481,7 @@ static void lpc17_ethreset(struct lpc17_driver_s *priv);
*
*******************************************************************************/
#ifdef CONFIG_LPC17_ENET_REGDEBUG
#ifdef CONFIG_NET_REGDEBUG
static void lpc17_printreg(uint32_t addr, uint32_t val, bool iswrite)
{
dbg("%08x%s%08x\n", addr, iswrite ? "<-" : "->", val);
@ -490,7 +496,7 @@ static void lpc17_printreg(uint32_t addr, uint32_t val, bool iswrite)
*
*******************************************************************************/
#ifdef CONFIG_LPC17_ENET_REGDEBUG
#ifdef CONFIG_NET_REGDEBUG
static void lpc17_checkreg(uint32_t addr, uint32_t val, bool iswrite)
{
static uint32_t prevaddr = 0;
@ -554,7 +560,7 @@ static void lpc17_checkreg(uint32_t addr, uint32_t val, bool iswrite)
*
*******************************************************************************/
#ifdef CONFIG_LPC17_ENET_REGDEBUG
#ifdef CONFIG_NET_REGDEBUG
static uint32_t lpc17_getreg(uint32_t addr)
{
/* Read the value from the register */
@ -576,7 +582,7 @@ static uint32_t lpc17_getreg(uint32_t addr)
*
*******************************************************************************/
#ifdef CONFIG_LPC17_ENET_REGDEBUG
#ifdef CONFIG_NET_REGDEBUG
static void lpc17_putreg(uint32_t val, uint32_t addr)
{
/* Check if we need to print this value */
@ -616,7 +622,7 @@ static int lpc17_txdesc(struct lpc17_driver_s *priv)
/* Get the next producer index */
prodidx = lpc17_getreg(LPC17_ETH_TXPRODIDX) & ETH_TXPRODIDX_MASK;
if (++prodidx >= CONFIG_ETH_NTXDESC)
if (++prodidx >= CONFIG_NET_NTXDESC)
{
/* Wrap back to index zero */
@ -697,7 +703,7 @@ static int lpc17_transmit(struct lpc17_driver_s *priv)
/* Bump the producer index, making the packet available for transmission. */
if (++prodidx >= CONFIG_ETH_NTXDESC)
if (++prodidx >= CONFIG_NET_NTXDESC)
{
/* Wrap back to index zero */
@ -975,12 +981,14 @@ static void lpc17_rxdone(struct lpc17_driver_s *priv)
* might also have gotten bumped up by the hardware).
*/
if (++considx >= CONFIG_ETH_NTXDESC)
if (++considx >= CONFIG_NET_NRXDESC)
{
/* Wrap back to index zero */
considx = 0;
}
lpc17_putreg(considx, LPC17_ETH_RXCONSIDX);
prodidx = lpc17_getreg(LPC17_ETH_RXPRODIDX) & ETH_RXPRODIDX_MASK;
}
}
@ -1135,7 +1143,7 @@ static int lpc17_interrupt(int irq, void *context)
/* Check for Wake-Up on Lan */
#if CONFIG_NET_WOL
#ifdef CONFIG_NET_WOL
if ((status & ETH_INT_WKUP) != 0)
{
lpc17_putreg(ETH_INT_WKUP, LPC17_ETH_INTCLR);
@ -1295,13 +1303,13 @@ static int lpc17_ifup(struct uip_driver_s *dev)
*/
regval = ETH_RXFLCTRL_PERFEN;
#if CONFIG_NET_BROADCAST
#ifdef CONFIG_NET_BROADCAST
regval |= ETH_RXFLCTRL_BCASTEN;
#endif
#if CONFIG_NET_MULTICAST
#ifdef CONFIG_NET_MULTICAST
RXFILTERCTRL |= (ETH_RXFLCTRL_MCASTEN | ETH_RXFLCTRL_UCASTEN);
#endif
#if CONFIG_NET_HASH
#ifdef CONFIG_NET_HASH
RXFILTERCTRL |= (ETH_RXFLCTRL_MCASTHASHEN | ETH_RXFLCTRL_UCASTHASHEN);
#endif
lpc17_putreg(regval, LPC17_ETH_RXFLCTRL);
@ -1319,9 +1327,9 @@ static int lpc17_ifup(struct uip_driver_s *dev)
#ifdef CONFIG_ARCH_IRQPRIO
#if LM3S_NETHCONTROLLERS > 1
(void)up_prioritize_irq(priv->irq, CONFIG_ETH_PRIORITY);
(void)up_prioritize_irq(priv->irq, CONFIG_NET_PRIORITY);
#else
(void)up_prioritize_irq(LPC17_IRQ_ETH, CONFIG_ETH_PRIORITY);
(void)up_prioritize_irq(LPC17_IRQ_ETH, CONFIG_NET_PRIORITY);
#endif
#endif
@ -1329,7 +1337,7 @@ static int lpc17_ifup(struct uip_driver_s *dev)
* not Wakeup on Lan (WoL) has been configured.
*/
#if CONFIG_NET_WOL
#ifdef CONFIG_NET_WOL
/* Configure WoL: Clear all receive filter WoLs and enable the perfect
* match WoL interrupt. We will wait until the Wake-up to finish
* bringing things up.
@ -1528,7 +1536,7 @@ static int lpc17_rmmac(struct uip_driver_s *dev, const uint8_t *mac)
*
*******************************************************************************/
#ifdef CONFIG_LPC17_ENET_REGDEBUG
#ifdef CONFIG_NET_REGDEBUG
static void lpc17_showpins(void)
{
lpc17_dumpgpio(GPIO_PORT0|GPIO_PIN0, "P0[1-15]");
@ -1552,7 +1560,7 @@ static void lpc17_showpins(void)
*
*******************************************************************************/
#if defined(CONFIG_LPC17_ENET_REGDEBUG) && defined(LPC17_HAVE_PHY)
#if defined(CONFIG_NET_REGDEBUG) && defined(LPC17_HAVE_PHY)
static void lpc17_showmii(uint8_t phyaddr, const char *msg)
{
dbg("PHY " LPC17_PHYNAME ": %s\n", msg);
@ -2010,14 +2018,14 @@ static inline void lpc17_txdescinit(struct lpc17_driver_s *priv)
lpc17_putreg(LPC17_TXDESC_BASE, LPC17_ETH_TXDESC);
lpc17_putreg(LPC17_TXSTAT_BASE, LPC17_ETH_TXSTAT);
lpc17_putreg(CONFIG_ETH_NTXDESC-1, LPC17_ETH_TXDESCRNO);
lpc17_putreg(CONFIG_NET_NTXDESC-1, LPC17_ETH_TXDESCRNO);
/* Initialize Tx descriptors and link to packet buffers */
txdesc = (uint32_t*)LPC17_TXDESC_BASE;
pktaddr = LPC17_TXBUFFER_BASE;
for (i = 0; i < CONFIG_ETH_NTXDESC; i++)
for (i = 0; i < CONFIG_NET_NTXDESC; i++)
{
*txdesc++ = pktaddr;
*txdesc++ = (TXDESC_CONTROL_INT | (LPC17_MAXPACKET_SIZE - 1));
@ -2027,7 +2035,7 @@ static inline void lpc17_txdescinit(struct lpc17_driver_s *priv)
/* Initialize Tx status */
txstat = (uint32_t*)LPC17_TXSTAT_BASE;
for (i = 0; i < CONFIG_ETH_NTXDESC; i++)
for (i = 0; i < CONFIG_NET_NTXDESC; i++)
{
*txstat++ = 0;
}
@ -2066,14 +2074,14 @@ static inline void lpc17_rxdescinit(struct lpc17_driver_s *priv)
lpc17_putreg(LPC17_RXDESC_BASE, LPC17_ETH_RXDESC);
lpc17_putreg(LPC17_RXSTAT_BASE, LPC17_ETH_RXSTAT);
lpc17_putreg(CONFIG_ETH_NRXDESC-1, LPC17_ETH_RXDESCNO);
lpc17_putreg(CONFIG_NET_NRXDESC-1, LPC17_ETH_RXDESCNO);
/* Initialize Rx descriptors and link to packet buffers */
rxdesc = (uint32_t*)LPC17_RXDESC_BASE;
pktaddr = LPC17_RXBUFFER_BASE;
for (i = 0; i < CONFIG_ETH_NRXDESC; i++)
for (i = 0; i < CONFIG_NET_NRXDESC; i++)
{
*rxdesc++ = pktaddr;
*rxdesc++ = (RXDESC_CONTROL_INT | (LPC17_MAXPACKET_SIZE - 1));
@ -2083,7 +2091,7 @@ static inline void lpc17_rxdescinit(struct lpc17_driver_s *priv)
/* Initialize Rx status */
rxstat = (uint32_t*)LPC17_TXSTAT_BASE;
for (i = 0; i < CONFIG_ETH_NRXDESC; i++)
for (i = 0; i < CONFIG_NET_NRXDESC; i++)
{
*rxstat++ = 0;
*rxstat++ = 0;