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implemented PHY, but still only occasionly transmitted packets. Obviously, there's a bug somewhere ;)

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This commit is contained in:
Markus Fröschle
2014-01-02 21:33:27 +00:00
parent 4017a336a9
commit 3034ede3a6
14 changed files with 396 additions and 211 deletions
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23
net/fec.c
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@@ -17,6 +17,7 @@
#include "bas_string.h"
#include "bas_printf.h"
#include "util.h"
#include "am79c874.h"
#include <stdbool.h>
#if defined(MACHINE_FIREBEE)
@@ -544,19 +545,19 @@ void fec_rx_start(uint8_t ch, int8_t *rxbd)
{
uint32_t initiator;
int channel;
int result;
(void) result; /* to avoid compiler warning */
int res;
/*
* Make the initiator assignment
*/
result = dma_set_initiator(DMA_FEC_RX(ch));
res = dma_set_initiator(DMA_FEC_RX(ch));
dbg("%s: dma_set_initiator(DMA_FEC_RX(%d)): %d\r\n", __FUNCTION__, ch, res);
/*
* Grab the initiator number
*/
initiator = dma_get_initiator(DMA_FEC_RX(ch));
dbg("%s: dma_get_initiator(DMA_FEC_RX(%d)) = %d\r\n", __FUNCTION__, ch, initiator);
/*
* Determine the DMA channel running the task for the
@@ -564,6 +565,7 @@ void fec_rx_start(uint8_t ch, int8_t *rxbd)
*/
channel = dma_set_channel(DMA_FEC_RX(ch),
(ch == 0) ? fec0_rx_frame : fec1_rx_frame);
dbg("%s: DMA channel for FEC%1d: %d\r\n", __FUNCTION__, ch, channel);
/*
* Start the Rx DMA task
@@ -588,6 +590,7 @@ void fec_rx_start(uint8_t ch, int8_t *rxbd)
| MCD_NO_CSUM
| MCD_NO_BYTE_SWAP
);
dbg("%s: Rx DMA task for FEC%1d started\r\n", __FUNCTION__, ch);
}
/********************************************************************/
@@ -612,10 +615,13 @@ void fec_rx_continue(uint8_t ch)
*/
channel = dma_get_channel(DMA_FEC_RX(ch));
dbg("%s: RX DMA channel for FEC%1d is %d\r\n", __FUNCTION__, ch, channel);
/*
* Continue/restart the DMA task
*/
MCD_continDma(channel);
dbg("%s: RX dma on channel %d continued\r\n", __FUNCTION__, channel);
}
/********************************************************************/
@@ -850,13 +856,10 @@ void fec_tx_start(uint8_t ch, int8_t *txbd)
void fec0_tx_frame(void);
void fec1_tx_frame(void);
(void) result; /* to avoid compiler warning */
/* FIXME: code assumes that there are always free initiator slots */
/*
* Make the initiator assignment
*/
result = dma_set_initiator(DMA_FEC_TX(ch));
(void) dma_set_initiator(DMA_FEC_TX(ch));
/*
* Grab the initiator number
@@ -1327,7 +1330,11 @@ void fec_eth_setup(uint8_t ch, uint8_t trcvr, uint8_t speed, uint8_t duplex, con
/*
* Initialize the MII interface
*/
#if defined(MACHINE_FIREBEE)
am79c874_init(0, 0, speed, duplex);
#else
fec_mii_init(ch, SYSCLK);
#endif /* MACHINE_FIREBEE */
}
/*