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path: root/src/drivers/net/rtl8139.c
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Diffstat (limited to 'src/drivers/net/rtl8139.c')
-rw-r--r--src/drivers/net/rtl8139.c32
1 files changed, 25 insertions, 7 deletions
diff --git a/src/drivers/net/rtl8139.c b/src/drivers/net/rtl8139.c
index f895ff8..ad9370a 100644
--- a/src/drivers/net/rtl8139.c
+++ b/src/drivers/net/rtl8139.c
@@ -23,8 +23,12 @@ static rtl8139_vtable_t const rtl8139_vtable = {
}
};
-#define REG_MAC0 0
-#define REG_MAC4 4
+// registers
+#define REG_MAC0 0x00
+#define REG_CMD 0x37
+
+// commands for REG_CMD register
+#define CR_RESET 0x08
void rtl8139_init( rtl8139_t *rtl8139, pci_device_descriptor_t *descriptor, interrupt_t *interrupt, void *context )
{
@@ -33,14 +37,28 @@ void rtl8139_init( rtl8139_t *rtl8139, pci_device_descriptor_t *descriptor, inte
network_init( (network_t *)rtl8139, interrupt, context );
puts( "Initializing driver for Realtek 8139 network card.." );
+
+ for( int i = 0; i < NOF_MAC_REGISTERS; i++ ) {
+ port8_init( &rtl8139->MAC_port[i], descriptor->port_base + REG_MAC0 + i );
+ }
+ port8_init( &rtl8139->CMD_port, descriptor->port_base + REG_CMD );
+
+ // software reset
+ port8_write( &rtl8139->CMD_port, CR_RESET );
+
+ // get MAC
+ for( int i = 0; i < NOF_MAC_REGISTERS; i++ ) {
+ rtl8139->base.mac_address.byte[i] = port8_read( &rtl8139->MAC_port[i] );
+ }
+
#ifdef DEBUG
- printf( "using I/O base 0x%X\n", descriptor->port_base );
- printf( "using interrupt %d\n", descriptor->interrupt );
+ char buf[20];
+ network_mac_to_string( rtl8139->base.mac_address, buf, 20 );
+ printf( "rtl8139 NIC at I/O base 0x%X, interrupt 0x%X, MAC: %s\n",
+ descriptor->port_base, descriptor->interrupt, buf
+ );
#endif
- port32_init( &rtl8139->MAC0_port, descriptor->port_base + REG_MAC0 );
- port16_init( &rtl8139->MAC4_port, descriptor->port_base + REG_MAC4 );
-
interrupt_handler_init( &rtl8139->interrupt_handler, IRQ_BASE + descriptor->interrupt, interrupt, rtl8139_handle_interrupt, rtl8139 );
interrupts_register_interrupt_handler( rtl8139->interrupt_handler );