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fixd dm9000a driver issue 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1470 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
mbbill@gmail.com 2011-06-08 16:39:24 +00:00
parent a967ec707f
commit d15319c408
1 changed files with 7 additions and 15 deletions
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22
bsp/mini2440/dm9000.c
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@ -48,8 +48,6 @@ struct rt_dm9000_eth
enum DM9000_TYPE type;
enum DM9000_PHY_mode mode;
rt_uint8_t imr_all;
rt_uint8_t packet_cnt; /* packet I or II */
rt_uint16_t queue_packet_len; /* queued packet (packet II) */
@ -157,13 +155,13 @@ void rt_dm9000_isr(int irqno)
eint_pend = EINTPEND;
/* EINT7 for DM9000 */
if((eint_pend & 0x80) == 0x80)
//if((eint_pend & 0x80) == 0x80)
{
last_io = DM9000_IO;
/* Disable all interrupts */
// dm9000_io_write(DM9000_IMR, IMR_PAR);
dm9000_io_write(DM9000_IMR, IMR_PAR);
/* Got DM9000 interrupt status */
int_status = dm9000_io_read(DM9000_ISR); /* Got ISR */
@ -185,11 +183,6 @@ void rt_dm9000_isr(int irqno)
/* Received the coming packet */
if (int_status & ISR_PRS)
{
/* disable receive interrupt */
dm9000_io_write(DM9000_IMR, IMR_PAR);
dm9000_device.imr_all = IMR_PAR | IMR_PTM;
dm9000_io_write(DM9000_IMR, dm9000_device.imr_all);
/* a frame has been received */
eth_device_ready(&(dm9000_device.parent));
}
@ -222,7 +215,7 @@ void rt_dm9000_isr(int irqno)
}
/* Re-enable interrupt mask */
// dm9000_io_write(DM9000_IMR, dm9000_device.imr_all);
dm9000_io_write(DM9000_IMR, IMR_PAR | IMR_PTM | IMR_PRM);
DM9000_IO = last_io;
}
@ -325,7 +318,8 @@ static rt_err_t rt_dm9000_init(rt_device_t dev)
}
rt_kprintf("mode\n");
dm9000_io_write(DM9000_IMR, dm9000_device.imr_all); /* Enable TX/RX interrupt mask */
/* Enable TX/RX interrupt mask */
dm9000_io_write(DM9000_IMR,IMR_PAR | IMR_PTM | IMR_PRM);
return RT_EOK;
}
@ -446,7 +440,7 @@ rt_err_t rt_dm9000_tx( rt_device_t dev, struct pbuf* p)
}
/* enable dm9000a interrupt */
dm9000_io_write(DM9000_IMR, dm9000_device.imr_all);
dm9000_io_write(DM9000_IMR, IMR_PAR | IMR_PTM | IMR_PRM);
/* unlock DM9000 device */
rt_sem_release(&sem_lock);
@ -569,8 +563,7 @@ __error_retry:
dm9000_io_write(DM9000_ISR, ISR_PTS);
/* restore receive interrupt */
dm9000_device.imr_all = IMR_PAR | IMR_PTM | IMR_PRM;
dm9000_io_write(DM9000_IMR, dm9000_device.imr_all);
dm9000_io_write(DM9000_IMR, IMR_PAR | IMR_PTM | IMR_PRM);
}
/* unlock DM9000 device */
@ -614,7 +607,6 @@ void rt_hw_dm9000_init()
* SRAM Tx/Rx pointer automatically return to start address,
* Packet Transmitted, Packet Received
*/
dm9000_device.imr_all = IMR_PAR | IMR_PTM | IMR_PRM;
dm9000_device.dev_addr[0] = 0x01;
dm9000_device.dev_addr[1] = 0x60;