diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/csb337/network/network.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/csb337/network/network.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/c/src/lib/libbsp/arm/csb337/network/network.c b/c/src/lib/libbsp/arm/csb337/network/network.c index 69a16d2e61..ff28237aa0 100644 --- a/c/src/lib/libbsp/arm/csb337/network/network.c +++ b/c/src/lib/libbsp/arm/csb337/network/network.c @@ -12,6 +12,8 @@ #include <rtems/rtems_bsdnet.h> #include <at91rm9200.h> #include <at91rm9200_emac.h> +#include <at91rm9200_gpio.h> +#include <at91rm9200_pmc.h> #include <stdio.h> #include <string.h> @@ -308,7 +310,41 @@ void at91rm9200_emac_init(void *arg) void at91rm9200_emac_init_hw(at91rm9200_emac_softc_t *sc) { int i; - + + /* Configure shared pins for Ethernet, not GPIO */ + PIOA_REG(PIO_PDR) = ( BIT7 | /* tx clock */ + BIT8 | /* tx enable */ + BIT9 | /* tx data 0 */ + BIT10 | /* tx data 1 */ + BIT11 | /* carrier sense */ + BIT12 | /* rx data 0 */ + BIT13 | /* rx data 1 */ + BIT14 | /* rx error */ + BIT15 | /* MII clock */ + BIT16 ); /* MII data */ + + PIOB_REG(PIO_PDR) = ( BIT12 | /* tx data 2 */ + BIT13 | /* tx data 3 */ + BIT14 | /* tx error */ + BIT15 | /* rx data 2 */ + BIT16 | /* rx data 3 */ + BIT17 | /* rx data valid */ + BIT18 | /* rx collistion */ + BIT19 ); /* rx clock */ + + PIOB_REG(PIO_BSR) = ( BIT12 | /* tx data 2 */ + BIT13 | /* tx data 3 */ + BIT14 | /* tx error */ + BIT15 | /* rx data 2 */ + BIT16 | /* rx data 3 */ + BIT17 | /* rx data valid */ + BIT18 | /* rx collistion */ + BIT19 ); /* rx clock */ + + + /* Enable the clock to the EMAC */ + PMC_REG(PMC_PCER) |= PMC_PCR_PID_EMAC; + /* initialize our receive buffer descriptors */ for (i = 0; i < NUM_RXBDS-1; i++) { rxbuf_hdrs[i].address = (unsigned long)(&rxbuf[i * RX_BUFFER_SIZE]); @@ -327,6 +363,7 @@ void at91rm9200_emac_init_hw(at91rm9200_emac_softc_t *sc) EMAC_REG(EMAC_RSR) &= ~(EMAC_RSR_OVR | EMAC_RSR_REC | EMAC_RSR_BNA); /* set the MII clock divder to MCK/64 */ + EMAC_REG(EMAC_CFG) &= EMAC_CFG_CLK_MASK; EMAC_REG(EMAC_CFG) = (EMAC_CFG_CLK_64 | EMAC_CFG_BIG | EMAC_CFG_FD); /* enable the MII interface */ |