X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Fcortex-m3%2Fdrv%2Feth_sam3.c;h=686da8baaac1e06c55ff6670a5265a3d5832d11b;hb=577a9116e32fac33614a21b15d8d1443c3ac420b;hp=5e18dfe47764c027953ebf509680f04c4efa666b;hpb=c0199cd9ca0679980556859e79e9f040da6ab598;p=bertos.git diff --git a/bertos/cpu/cortex-m3/drv/eth_sam3.c b/bertos/cpu/cortex-m3/drv/eth_sam3.c index 5e18dfe4..686da8ba 100644 --- a/bertos/cpu/cortex-m3/drv/eth_sam3.c +++ b/bertos/cpu/cortex-m3/drv/eth_sam3.c @@ -181,25 +181,34 @@ static int emac_reset(void) uint16_t phy_cr; unsigned i; +#if CPU_ARM_AT91 // Enable devices - //PMC_PCER = BV(PIOA_ID); - //PMC_PCER = BV(PIOB_ID); - //PMC_PCER = BV(EMAC_ID); - // TOOD: Implement in sam7x - pmc_periphEnable(PIOA_ID); - pmc_periphEnable(PIOB_ID); - pmc_periphEnable(EMAC_ID); + PMC_PCER = BV(PIOA_ID); + PMC_PCER = BV(PIOB_ID); + PMC_PCER = BV(EMAC_ID); - // Disable TESTMODE + // Disable TESTMODE and RMII PIOB_PUDR = BV(PHY_RXDV_TESTMODE_BIT); -#if CPU_ARM_AT91 - // Disable RMII PIOB_PUDR = BV(PHY_COL_RMII_BIT); // Disable PHY power down. PIOB_PER = BV(PHY_PWRDN_BIT); PIOB_OER = BV(PHY_PWRDN_BIT); PIOB_CODR = BV(PHY_PWRDN_BIT); +#else + pmc_periphEnable(PIOA_ID); + pmc_periphEnable(PIOB_ID); + pmc_periphEnable(PIOC_ID); + pmc_periphEnable(PIOD_ID); + pmc_periphEnable(EMAC_ID); + + // Disable TESTMODE and RMII + PIOC_PUDR = BV(PHY_RXDV_TESTMODE_BIT); + + // Disable PHY power down. + PIOD_PER = BV(PHY_PWRDN_BIT); + PIOD_OER = BV(PHY_PWRDN_BIT); + PIOD_CODR = BV(PHY_PWRDN_BIT); #endif // Toggle external hardware reset pin. @@ -214,11 +223,16 @@ static int emac_reset(void) PIOB_ASR = PHY_MII_PINS; PIOB_BSR = 0; PIOB_PDR = PHY_MII_PINS; + // Enable receive and transmit clocks. EMAC_USRIO = BV(EMAC_CLKEN); #else - PIO_PERIPH_SEL(PIOB_BASE, PHY_MII_PINS, PIO_PERIPH_A); - PIOB_PDR = PHY_MII_PINS; + PIO_PERIPH_SEL(PIOB_BASE, PHY_MII_PINS_PORTB, PIO_PERIPH_A); + PIOB_PDR = PHY_MII_PINS_PORTB; + + PIO_PERIPH_SEL(PIOC_BASE, PHY_MII_PINS_PORTC, PIO_PERIPH_A); + PIOC_PDR = PHY_MII_PINS_PORTC; + // Enable receive, transmit clocks and RMII mode. EMAC_USRIO = BV(EMAC_CLKEN) | BV(EMAC_RMII); #endif @@ -233,7 +247,7 @@ static int emac_reset(void) EMAC_SA1H = (mac_addr[5] << 8) | mac_addr[4]; // Wait for PHY ready - timer_delay(255); + timer_delay(500); #if 0 // debug test for (;;) @@ -258,27 +272,18 @@ static int emac_reset(void) #endif // Clear MII isolate. - phy_hw_read(NIC_PHY_ADDR, NIC_PHY_BMCR); + //phy_hw_read(NIC_PHY_ADDR, NIC_PHY_BMCR); phy_cr = phy_hw_read(NIC_PHY_ADDR, NIC_PHY_BMCR); phy_cr &= ~NIC_PHY_BMCR_ISOLATE; phy_hw_write(NIC_PHY_ADDR, NIC_PHY_BMCR, phy_cr); - phy_cr = phy_hw_read(NIC_PHY_ADDR, NIC_PHY_BMCR); + //phy_cr = phy_hw_read(NIC_PHY_ADDR, NIC_PHY_BMCR); LOG_INFO("%s: PHY ID %#04x %#04x\n", __func__, phy_hw_read(NIC_PHY_ADDR, NIC_PHY_ID1), phy_hw_read(NIC_PHY_ADDR, NIC_PHY_ID2)); - // Wait for auto negotiation completed. - phy_hw_read(NIC_PHY_ADDR, NIC_PHY_BMSR); - for (;;) - { - if (phy_hw_read(NIC_PHY_ADDR, NIC_PHY_BMSR) & NIC_PHY_BMSR_ANCOMPL) - break; - cpu_relax(); - } - // Disable management port. EMAC_NCR &= ~BV(EMAC_MPE);