diff options
Diffstat (limited to 'usrp2/firmware/lib/eth_mac.c')
-rw-r--r-- | usrp2/firmware/lib/eth_mac.c | 55 |
1 files changed, 23 insertions, 32 deletions
diff --git a/usrp2/firmware/lib/eth_mac.c b/usrp2/firmware/lib/eth_mac.c index 5fadaf40b..88051dca0 100644 --- a/usrp2/firmware/lib/eth_mac.c +++ b/usrp2/firmware/lib/eth_mac.c @@ -21,38 +21,21 @@ #include "bool.h" #include "eth_phy.h" // for simulation constants #include "mdelay.h" - +#include "stdio.h" #define PHY_ADDR 1 void eth_mac_set_addr(const u2_mac_addr_t *src) { - int i; - - // tell mac our source address and enable automatic insertion on Tx. - eth_mac->mac_tx_add_prom_wr = 0; // just in case - for (i = 0; i < 6; i++){ - eth_mac->mac_tx_add_prom_add = i; - eth_mac->mac_tx_add_prom_data = src->addr[i]; - eth_mac->mac_tx_add_prom_wr = 1; - mdelay(1); - eth_mac->mac_tx_add_prom_wr = 0; - mdelay(1); - } - eth_mac->mac_tx_add_en = 1; // overwrite pkt src addr field with this stuff - - // set up receive destination address filter - eth_mac->mac_rx_add_prom_wr = 0; // just in case - for (i = 0; i < 6; i++){ - eth_mac->mac_rx_add_prom_add = i; - eth_mac->mac_rx_add_prom_data = src->addr[i]; - eth_mac->mac_rx_add_prom_wr = 1; - mdelay(1); - eth_mac->mac_rx_add_prom_wr = 0; - mdelay(1); - } - // eth_mac->mac_rx_add_chk_en = 1; // FIXME enable when everything's working + eth_mac->ucast_hi = + (((unsigned int)src->addr[0])<<8) + + ((unsigned int)src->addr[1]); + eth_mac->ucast_lo = + (((unsigned int)src->addr[2])<<24) + + (((unsigned int)src->addr[3])<<16) + + (((unsigned int)src->addr[4])<<8) + + (((unsigned int)src->addr[5])); } @@ -62,14 +45,18 @@ eth_mac_init(const u2_mac_addr_t *src) eth_mac->miimoder = 25; // divider from CPU clock (50MHz/25 = 2MHz) eth_mac_set_addr(src); + eth_mac->settings = MAC_SET_PAUSE_EN | MAC_SET_PASS_BCAST | MAC_SET_PASS_UCAST | MAC_SET_PAUSE_SEND_EN; + + eth_mac->pause_time = 38; + eth_mac->pause_thresh = 1200; // set rx flow control high and low water marks // unsigned int lwmark = (2*2048 + 64)/4; // 2 * 2048-byte frames + 1 * 64-byte pause frame // eth_mac->fc_hwmark = lwmark + 2048/4; // plus a 2048-byte frame - eth_mac->fc_lwmark = 600; // there are currently 2047 lines in the fifo - eth_mac->fc_hwmark = 1200; - eth_mac->fc_padtime = 1700; // how long before flow control runs out do we + // eth_mac->fc_lwmark = 600; // there are currently 2047 lines in the fifo + // eth_mac->fc_hwmark = 1200; + //eth_mac->fc_padtime = 1700; // how long before flow control runs out do we // request a re-pause. Units of 8ns (bytes) //eth_mac->tx_pause_en = 0; // pay attn to pause frames sent to us @@ -80,8 +67,8 @@ eth_mac_init(const u2_mac_addr_t *src) int eth_mac_read_rmon(int addr) { - int t; - + int t = 0; + /* eth_mac->rmon_rd_addr = addr; eth_mac->rmon_rd_apply = 1; while(eth_mac->rmon_rd_grant == 0) @@ -89,6 +76,7 @@ eth_mac_read_rmon(int addr) t = eth_mac->rmon_rd_dout; eth_mac->rmon_rd_apply = 0; + */ return t; } @@ -111,7 +99,9 @@ eth_mac_miim_read(int addr) while((eth_mac->miistatus & MIIS_BUSY) != 0) ; - return eth_mac->miirx_data; + int r = eth_mac->miirx_data; + //printf("MIIM-READ ADDR 0x%x DATA 0x%x\n",addr, r); + return r; } void @@ -122,6 +112,7 @@ eth_mac_miim_write(int addr, int value) eth_mac->miitx_data = value; eth_mac->miicommand = MIIC_WCTRLDATA; + //printf("MIIM-WRITE ADDR 0x%x VAL 0x%x\n",addr,value); while((eth_mac->miistatus & MIIS_BUSY) != 0) ; } |