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体验新版 GitCode,发现更多精彩内容 >>
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f91fc2db
编写于
4月 10, 2013
作者:
qiuyiuestc
浏览文件
操作
浏览文件
下载
差异文件
Merge branch 'master' of
https://github.com/RT-Thread/rt-thread
上级
83751c63
f34ef8d9
变更
10
展开全部
隐藏空白更改
内联
并排
Showing
10 changed file
with
298 addition
and
553 deletion
+298
-553
bsp/at91sam9260/macb.c
bsp/at91sam9260/macb.c
+272
-64
bsp/lm3s8962/drivers/luminaryif.c
bsp/lm3s8962/drivers/luminaryif.c
+4
-0
bsp/lm3s9b9x/drivers/luminaryif.c
bsp/lm3s9b9x/drivers/luminaryif.c
+4
-0
bsp/lpc178x/project.uvproj
bsp/lpc178x/project.uvproj
+9
-479
documentation/doxygen/mainpage.h
documentation/doxygen/mainpage.h
+1
-1
examples/kernel/semaphore_static.c
examples/kernel/semaphore_static.c
+2
-2
libcpu/arm/at91sam926x/mmu.c
libcpu/arm/at91sam926x/mmu.c
+1
-1
libcpu/arm/sep4020/interrupt.c
libcpu/arm/sep4020/interrupt.c
+3
-4
libcpu/arm/sep4020/trap.c
libcpu/arm/sep4020/trap.c
+1
-1
src/kservice.c
src/kservice.c
+1
-1
未找到文件。
bsp/at91sam9260/macb.c
浏览文件 @
f91fc2db
...
...
@@ -37,16 +37,54 @@ extern void mmu_invalidate_dcache(rt_uint32_t buffer, rt_uint32_t size);
#define BD_CACHE_WRITEBACK(addr, size)
#define BD_CACHE_WRITEBACK_INVALIDATE(addr, size)
/* EMAC internal utility function */
rt_inline
unsigned
long
emac_virt_to_phys
(
unsigned
long
addr
)
{
return
addr
;
}
#define CONFIG_RMII
#define MACB_RX_BUFFER_SIZE 4096*4
#define MACB_RX_RING_SIZE (MACB_RX_BUFFER_SIZE / 128)
#define AT91SAM9260_SRAM0_VIRT_BASE (0x90000000)
#define MACB_TX_SRAM
#if defined(MACB_TX_SRAM)
#define MACB_TX_RING_SIZE 2
#define MACB_TX_BUFFER_SIZE (1536 * MACB_TX_RING_SIZE)
#define TX_RING_BYTES (sizeof(struct macb_dma_desc) * MACB_TX_RING_SIZE)
#else
#define MACB_TX_RING_SIZE 16
#define MACB_TX_BUFFER_SIZE (1536 * MACB_TX_RING_SIZE)
#endif
#define MACB_RX_BUFFER_SIZE (4096*4)
#define MACB_RX_RING_SIZE (MACB_RX_BUFFER_SIZE / 128)
#define DEF_TX_RING_PENDING (MACB_TX_RING_SIZE)
#define TX_RING_GAP(macb) \
(MACB_TX_RING_SIZE - (macb)->tx_pending)
#define TX_BUFFS_AVAIL(macb) \
(((macb)->tx_tail <= (macb)->tx_head) ? \
(macb)->tx_tail + (macb)->tx_pending - (macb)->tx_head : \
(macb)->tx_tail - (macb)->tx_head - TX_RING_GAP(macb))
#define NEXT_TX(n) (((n) + 1) & (MACB_TX_RING_SIZE - 1))
#define NEXT_RX(n) (((n) + 1) & (MACB_RX_RING_SIZE - 1))
/* minimum number of free TX descriptors before waking up TX process */
#define MACB_TX_WAKEUP_THRESH (MACB_TX_RING_SIZE / 4)
#define MACB_RX_INT_FLAGS (MACB_BIT(RCOMP) | MACB_BIT(RXUBR) \
| MACB_BIT(ISR_ROVR))
#define MACB_TX_TIMEOUT 1000
#define MACB_AUTONEG_TIMEOUT 5000000
#define MACB_LINK_TIMEOUT
500000
#define MACB_LINK_TIMEOUT
500000
#define CONFIG_RMII
struct
macb_dma_desc
{
rt_uint32_t
addr
;
...
...
@@ -75,9 +113,6 @@ struct macb_dma_desc {
#define TXBUF_WRAP 0x40000000
#define TXBUF_USED 0x80000000
#define MACB_RX_INT_FLAGS (MACB_BIT(RCOMP) | MACB_BIT(RXUBR) \
| MACB_BIT(ISR_ROVR))
/* Duplex, half or full. */
#define DUPLEX_HALF 0x00
#define DUPLEX_FULL 0x01
...
...
@@ -93,6 +128,8 @@ struct rt_macb_eth
unsigned
int
rx_tail
;
unsigned
int
tx_head
;
unsigned
int
tx_tail
;
unsigned
int
rx_pending
;
unsigned
int
tx_pending
;
void
*
rx_buffer
;
void
*
tx_buffer
;
...
...
@@ -100,21 +137,28 @@ struct rt_macb_eth
struct
macb_dma_desc
*
tx_ring
;
unsigned
long
rx_buffer_dma
;
unsigned
long
tx_buffer_dma
;
unsigned
long
rx_ring_dma
;
unsigned
long
tx_ring_dma
;
unsigned
int
tx_stop
;
/* interface address info. */
rt_uint8_t
dev_addr
[
MAX_ADDR_LEN
];
/* hw address */
unsigned
short
phy_addr
;
struct
rt_semaphore
mdio_bus_lock
;
struct
rt_semaphore
tx_lock
;
struct
rt_semaphore
rx_lock
;
struct
rt_semaphore
tx_ack
;
rt_uint32_t
speed
;
rt_uint32_t
duplex
;
rt_uint32_t
link
;
struct
rt_timer
timer
;
};
static
struct
rt_macb_eth
macb_device
;
static
struct
rt_semaphore
sem_ack
,
sem_lock
;
static
void
macb_tx
(
struct
rt_macb_eth
*
macb
);
static
void
udelay
(
rt_uint32_t
us
)
{
...
...
@@ -133,7 +177,8 @@ static void rt_macb_isr(int irq, void *param)
while
(
status
)
{
if
(
status
&
MACB_RX_INT_FLAGS
)
{
if
(
status
&
MACB_RX_INT_FLAGS
)
{
rsr
=
macb_readl
(
macb
,
RSR
);
macb_writel
(
macb
,
RSR
,
rsr
);
/* a frame has been received */
...
...
@@ -144,10 +189,7 @@ static void rt_macb_isr(int irq, void *param)
if
(
status
&
(
MACB_BIT
(
TCOMP
)
|
MACB_BIT
(
ISR_TUND
)
|
MACB_BIT
(
ISR_RLE
)))
{
tsr
=
macb_readl
(
macb
,
TSR
);
macb_writel
(
macb
,
TSR
,
tsr
);
/* One packet sent complete */
rt_sem_release
(
&
sem_ack
);
macb_tx
(
macb
);
}
/*
...
...
@@ -155,7 +197,8 @@ static void rt_macb_isr(int irq, void *param)
* add that if/when we get our hands on a full-blown MII PHY.
*/
if
(
status
&
MACB_BIT
(
HRESP
))
{
if
(
status
&
MACB_BIT
(
HRESP
))
{
/*
* TODO: Reset the hardware, and maybe move the printk
* to a lower-priority context as well (work queue?)
...
...
@@ -243,7 +286,8 @@ static void macb_phy_reset(rt_device_t dev)
macb_mdio_write
(
macb
,
MII_BMCR
,
(
BMCR_ANENABLE
|
BMCR_ANRESTART
));
for
(
i
=
0
;
i
<
MACB_AUTONEG_TIMEOUT
/
100
;
i
++
)
{
for
(
i
=
0
;
i
<
MACB_AUTONEG_TIMEOUT
/
100
;
i
++
)
{
status
=
macb_mdio_read
(
macb
,
MII_BMSR
);
if
(
status
&
BMSR_ANEGCOMPLETE
)
break
;
...
...
@@ -268,17 +312,20 @@ static int macb_phy_init(rt_device_t dev)
/* Check if the PHY is up to snuff... */
phy_id
=
macb_mdio_read
(
macb
,
MII_PHYSID1
);
if
(
phy_id
==
0xffff
)
{
if
(
phy_id
==
0xffff
)
{
rt_kprintf
(
"%s: No PHY present
\n
"
,
dev
->
parent
.
name
);
return
0
;
}
status
=
macb_mdio_read
(
macb
,
MII_BMSR
);
if
(
!
(
status
&
BMSR_LSTATUS
))
{
if
(
!
(
status
&
BMSR_LSTATUS
))
{
/* Try to re-negotiate if we don't have link already. */
macb_phy_reset
(
dev
);
for
(
i
=
0
;
i
<
MACB_LINK_TIMEOUT
/
100
;
i
++
)
{
for
(
i
=
0
;
i
<
MACB_LINK_TIMEOUT
/
100
;
i
++
)
{
status
=
macb_mdio_read
(
macb
,
MII_BMSR
);
if
(
status
&
BMSR_LSTATUS
)
break
;
...
...
@@ -286,11 +333,14 @@ static int macb_phy_init(rt_device_t dev)
}
}
if
(
!
(
status
&
BMSR_LSTATUS
))
{
if
(
!
(
status
&
BMSR_LSTATUS
))
{
rt_kprintf
(
"%s: link down (status: 0x%04x)
\n
"
,
dev
->
parent
.
name
,
status
);
return
0
;
}
else
{
}
else
{
adv
=
macb_mdio_read
(
macb
,
MII_ADVERTISE
);
lpa
=
macb_mdio_read
(
macb
,
MII_LPA
);
media
=
mii_nway_result
(
lpa
&
adv
);
...
...
@@ -338,13 +388,16 @@ void macb_update_link(void *param)
else
link
=
1
;
if
(
link
!=
macb
->
link
)
{
if
(
link
!=
macb
->
link
)
{
macb
->
link
=
link
;
status_change
=
1
;
}
if
(
status_change
)
{
if
(
macb
->
link
)
{
if
(
status_change
)
{
if
(
macb
->
link
)
{
adv
=
macb_mdio_read
(
macb
,
MII_ADVERTISE
);
lpa
=
macb_mdio_read
(
macb
,
MII_LPA
);
media
=
mii_nway_result
(
lpa
&
adv
);
...
...
@@ -355,7 +408,9 @@ void macb_update_link(void *param)
dev
->
parent
.
name
,
macb
->
speed
,
DUPLEX_FULL
==
macb
->
duplex
?
"Full"
:
"Half"
);
eth_device_linkchange
(
&
macb
->
parent
,
RT_TRUE
);
}
else
{
}
else
{
rt_kprintf
(
"%s: link down
\n
"
,
dev
->
parent
.
name
);
eth_device_linkchange
(
&
macb
->
parent
,
RT_FALSE
);
}
...
...
@@ -382,19 +437,23 @@ static rt_err_t rt_macb_init(rt_device_t dev)
/* initialize DMA descriptors */
paddr
=
macb
->
rx_buffer_dma
;
for
(
i
=
0
;
i
<
MACB_RX_RING_SIZE
;
i
++
)
{
for
(
i
=
0
;
i
<
MACB_RX_RING_SIZE
;
i
++
)
{
if
(
i
==
(
MACB_RX_RING_SIZE
-
1
))
paddr
|=
RXADDR_WRAP
;
macb
->
rx_ring
[
i
].
addr
=
paddr
;
macb
->
rx_ring
[
i
].
ctrl
=
0
;
paddr
+=
128
;
}
for
(
i
=
0
;
i
<
MACB_TX_RING_SIZE
;
i
++
)
{
macb
->
tx_ring
[
i
].
addr
=
0
;
paddr
=
macb
->
tx_buffer_dma
;
for
(
i
=
0
;
i
<
MACB_TX_RING_SIZE
;
i
++
)
{
macb
->
tx_ring
[
i
].
addr
=
paddr
;
if
(
i
==
(
MACB_TX_RING_SIZE
-
1
))
macb
->
tx_ring
[
i
].
ctrl
=
TXBUF_USED
|
TXBUF_WRAP
;
else
macb
->
tx_ring
[
i
].
ctrl
=
TXBUF_USED
;
paddr
+=
1536
;
}
macb
->
rx_tail
=
macb
->
tx_head
=
macb
->
tx_tail
=
0
;
...
...
@@ -488,31 +547,127 @@ static rt_err_t rt_macb_control(rt_device_t dev, rt_uint8_t cmd, void *args)
return
RT_EOK
;
}
static
void
macb_tx
(
struct
rt_macb_eth
*
macb
)
{
unsigned
int
tail
;
unsigned
int
head
;
rt_uint32_t
status
;
status
=
macb_readl
(
macb
,
TSR
);
macb_writel
(
macb
,
TSR
,
status
);
/*rt_kprintf("macb_tx status = %02lx\n",
(unsigned long)status);*/
if
(
status
&
(
MACB_BIT
(
UND
)
|
MACB_BIT
(
TSR_RLE
)))
{
int
i
;
rt_kprintf
(
"%s: TX %s, resetting buffers
\n
"
,
macb
->
parent
.
parent
.
parent
.
name
,
status
&
MACB_BIT
(
UND
)
?
"underrun"
:
"retry limit exceeded"
);
/* Transfer ongoing, disable transmitter, to avoid confusion */
if
(
status
&
MACB_BIT
(
TGO
))
macb_writel
(
macb
,
NCR
,
macb_readl
(
macb
,
NCR
)
&
~
MACB_BIT
(
TE
));
head
=
macb
->
tx_head
;
/*Mark all the buffer as used to avoid sending a lost buffer*/
for
(
i
=
0
;
i
<
MACB_TX_RING_SIZE
;
i
++
)
macb
->
tx_ring
[
i
].
ctrl
=
MACB_BIT
(
TX_USED
);
/* free transmit buffer in upper layer*/
macb
->
tx_head
=
macb
->
tx_tail
=
0
;
/* Enable the transmitter again */
if
(
status
&
MACB_BIT
(
TGO
))
macb_writel
(
macb
,
NCR
,
macb_readl
(
macb
,
NCR
)
|
MACB_BIT
(
TE
));
}
if
(
!
(
status
&
MACB_BIT
(
COMP
)))
/*
* This may happen when a buffer becomes complete
* between reading the ISR and scanning the
* descriptors. Nothing to worry about.
*/
return
;
head
=
macb
->
tx_head
;
for
(
tail
=
macb
->
tx_tail
;
tail
!=
head
;
tail
=
NEXT_TX
(
tail
))
{
rt_uint32_t
bufstat
;
bufstat
=
macb
->
tx_ring
[
tail
].
ctrl
;
if
(
!
(
bufstat
&
MACB_BIT
(
TX_USED
)))
break
;
}
macb
->
tx_tail
=
tail
;
if
((
macb
->
tx_stop
==
1
)
&&
TX_BUFFS_AVAIL
(
macb
)
>
MACB_TX_WAKEUP_THRESH
)
rt_sem_release
(
&
macb
->
tx_ack
);
}
/* ethernet device interface */
/* transmit packet. */
rt_err_t
rt_macb_tx
(
rt_device_t
dev
,
struct
pbuf
*
p
)
{
unsigned
long
ctrl
;
struct
pbuf
*
q
;
rt_uint8_t
*
bufptr
;
rt_uint32_t
mapping
;
struct
rt_macb_eth
*
macb
=
dev
->
user_data
;
unsigned
int
tx_head
=
macb
->
tx_head
;
rt_sem_take
(
&
sem_lock
,
RT_WAITING_FOREVER
);
EMAC_CACHE_WRITEBACK
(
p
->
payload
,
p
->
tot_len
);
rt_sem_take
(
&
macb
->
tx_lock
,
RT_WAITING_FOREVER
);
if
(
TX_BUFFS_AVAIL
(
macb
)
<
1
)
{
rt_sem_release
(
&
macb
->
tx_lock
);
rt_kprintf
(
"Tx Ring full!
\n
"
);
rt_kprintf
(
"tx_head = %u, tx_tail = %u
\n
"
,
macb
->
tx_head
,
macb
->
tx_tail
);
return
-
RT_ERROR
;
}
macb
->
tx_stop
=
0
;
ctrl
=
p
->
tot_len
&
TXBUF_FRMLEN_MASK
;
ctrl
|=
TXBUF_FRAME_END
;
if
(
tx_head
==
(
MACB_TX_RING_SIZE
-
1
))
{
if
(
tx_head
==
(
MACB_TX_RING_SIZE
-
1
))
{
ctrl
|=
TXBUF_WRAP
;
macb
->
tx_head
=
0
;
}
else
macb
->
tx_head
++
;
}
#if defined(MACB_TX_SRAM)
bufptr
=
macb
->
tx_buffer
+
tx_head
*
1536
;
#else
mapping
=
(
unsigned
long
)
macb
->
tx_buffer
+
tx_head
*
1536
;
bufptr
=
(
rt_uint8_t
*
)
mapping
;
#endif
for
(
q
=
p
;
q
!=
NULL
;
q
=
q
->
next
)
{
memcpy
(
bufptr
,
q
->
payload
,
q
->
len
);
bufptr
+=
q
->
len
;
}
#if !defined(MACB_TX_SRAM)
EMAC_CACHE_WRITEBACK
(
mapping
,
p
->
tot_len
);
#endif
macb
->
tx_ring
[
tx_head
].
ctrl
=
ctrl
;
macb
->
tx_ring
[
tx_head
].
addr
=
(
rt_uint32_t
)
p
->
payload
;
BD_CACHE_WRITEBACK_INVALIDATE
(
macb
->
tx_ring
[
tx_head
],
sizeof
(
struct
macb_dma_desc
));
macb_writel
(
macb
,
NCR
,
MACB_BIT
(
TE
)
|
MACB_BIT
(
RE
)
|
MACB_BIT
(
TSTART
));
BD_CACHE_WRITEBACK_INVALIDATE
(
&
macb
->
tx_ring
[
tx_head
],
sizeof
(
struct
macb_dma_desc
));
tx_head
=
NEXT_TX
(
tx_head
);
macb
->
tx_head
=
tx_head
;
macb_writel
(
macb
,
NCR
,
macb_readl
(
macb
,
NCR
)
|
MACB_BIT
(
TSTART
));
macb_writel
(
macb
,
NCR
,
macb_readl
(
macb
,
NCR
)
|
MACB_BIT
(
TSTART
));
rt_sem_release
(
&
sem_lock
);
/* wait ack */
rt_sem_take
(
&
sem_ack
,
RT_WAITING_FOREVER
);
if
(
TX_BUFFS_AVAIL
(
macb
)
<
1
)
{
macb
->
tx_stop
=
1
;
rt_sem_take
(
&
macb
->
tx_ack
,
RT_WAITING_FOREVER
);
}
rt_sem_release
(
&
macb
->
tx_lock
);
return
RT_EOK
;
}
...
...
@@ -523,14 +678,16 @@ static void reclaim_rx_buffers(struct rt_macb_eth *macb,
unsigned
int
i
;
i
=
macb
->
rx_tail
;
while
(
i
>
new_tail
)
{
while
(
i
>
new_tail
)
{
macb
->
rx_ring
[
i
].
addr
&=
~
RXADDR_USED
;
i
++
;
if
(
i
>
MACB_RX_RING_SIZE
)
i
=
0
;
}
while
(
i
<
new_tail
)
{
while
(
i
<
new_tail
)
{
macb
->
rx_ring
[
i
].
addr
&=
~
RXADDR_USED
;
i
++
;
}
...
...
@@ -549,19 +706,22 @@ struct pbuf *rt_macb_rx(rt_device_t dev)
int
wrapped
=
0
;
rt_uint32_t
status
;
rt_sem_take
(
&
sem_lock
,
RT_WAITING_FOREVER
);
for
(;;)
{
rt_sem_take
(
&
macb
->
rx_lock
,
RT_WAITING_FOREVER
);
for
(;;)
{
if
(
!
(
macb
->
rx_ring
[
rx_tail
].
addr
&
RXADDR_USED
))
break
;
status
=
macb
->
rx_ring
[
rx_tail
].
ctrl
;
if
(
status
&
RXBUF_FRAME_START
)
{
if
(
status
&
RXBUF_FRAME_START
)
{
if
(
rx_tail
!=
macb
->
rx_tail
)
reclaim_rx_buffers
(
macb
,
rx_tail
);
wrapped
=
0
;
}
if
(
status
&
RXBUF_FRAME_END
)
{
if
(
status
&
RXBUF_FRAME_END
)
{
buffer
=
(
void
*
)((
unsigned
int
)
macb
->
rx_buffer
+
128
*
macb
->
rx_tail
);
len
=
status
&
RXBUF_FRMLEN_MASK
;
p
=
pbuf_alloc
(
PBUF_LINK
,
len
,
PBUF_RAM
);
...
...
@@ -570,7 +730,8 @@ struct pbuf *rt_macb_rx(rt_device_t dev)
rt_kprintf
(
"alloc pbuf failed
\n
"
);
break
;
}
if
(
wrapped
)
{
if
(
wrapped
)
{
unsigned
int
headlen
,
taillen
;
headlen
=
128
*
(
MACB_RX_RING_SIZE
...
...
@@ -581,7 +742,9 @@ struct pbuf *rt_macb_rx(rt_device_t dev)
memcpy
((
void
*
)
p
->
payload
,
buffer
,
headlen
);
memcpy
((
void
*
)((
unsigned
int
)
p
->
payload
+
headlen
),
macb
->
rx_buffer
,
taillen
);
}
else
{
}
else
{
EMAC_CACHE_INVALIDATE
(
buffer
,
len
);
memcpy
((
void
*
)
p
->
payload
,
buffer
,
p
->
len
);
}
...
...
@@ -590,15 +753,18 @@ struct pbuf *rt_macb_rx(rt_device_t dev)
rx_tail
=
0
;
reclaim_rx_buffers
(
macb
,
rx_tail
);
break
;
}
else
{
if
(
++
rx_tail
>=
MACB_RX_RING_SIZE
)
{
}
else
{
if
(
++
rx_tail
>=
MACB_RX_RING_SIZE
)
{
wrapped
=
1
;
rx_tail
=
0
;
}
}
}
rt_sem_release
(
&
sem
_lock
);
rt_sem_release
(
&
macb
->
rx
_lock
);
return
p
;
}
...
...
@@ -615,25 +781,42 @@ void macb_gpio_init()
#endif
}
void
macb_initialize
()
rt_err_t
macb_initialize
()
{
struct
rt_macb_eth
*
macb
=
&
macb_device
;
unsigned
long
macb_hz
;
rt_uint32_t
ncfgr
;
macb
->
rx_buffer
=
rt_malloc
(
MACB_RX_BUFFER_SIZE
);
macb
->
rx_ring
=
rt_malloc
(
MACB_RX_RING_SIZE
*
sizeof
(
struct
macb_dma_desc
));
macb
->
tx_ring
=
rt_malloc
(
MACB_TX_RING_SIZE
*
sizeof
(
struct
macb_dma_desc
));
EMAC_CACHE_INVALIDATE
(
macb
->
rx_ring
,
MACB_RX_RING_SIZE
*
sizeof
(
struct
macb_dma_desc
));
#if defined(MACB_TX_SRAM)
macb
->
tx_ring_dma
=
AT91SAM9260_SRAM0_BASE
;
macb
->
tx_ring
=
(
struct
macb_dma_desc
*
)
AT91SAM9260_SRAM0_VIRT_BASE
;
macb
->
tx_buffer
=
(
char
*
)
macb
->
tx_ring
+
TX_RING_BYTES
;
macb
->
tx_buffer_dma
=
macb
->
tx_ring_dma
+
TX_RING_BYTES
;
#else
macb
->
tx_ring
=
rt_malloc
(
MACB_RX_RING_SIZE
*
sizeof
(
struct
macb_dma_desc
));
if
(
macb
->
tx_ring
==
RT_NULL
)
goto
err1
;
EMAC_CACHE_INVALIDATE
(
macb
->
tx_ring
,
MACB_TX_RING_SIZE
*
sizeof
(
struct
macb_dma_desc
));
macb
->
tx_ring_dma
=
emac_virt_to_phys
((
unsigned
long
)
macb
->
tx_ring
);
macb
->
tx_ring
=
(
struct
macb_dma_desc
*
)
MMU_NOCACHE_ADDR
((
unsigned
long
)
macb
->
tx_ring
);
macb
->
tx_buffer
=
rt_malloc
(
MACB_TX_BUFFER_SIZE
);
if
(
macb
->
tx_buffer
==
RT_NULL
)
goto
err2
;
macb
->
tx_buffer_dma
=
emac_virt_to_phys
((
unsigned
long
)
macb
->
tx_buffer
);
#endif
macb
->
rx_buffer_dma
=
(
unsigned
long
)
macb
->
rx_buffer
;
macb
->
rx_ring_dma
=
(
unsigned
long
)
macb
->
rx_ring
;
macb
->
tx_ring_dma
=
(
unsigned
long
)
macb
->
tx_ring
;
macb
->
rx_ring
=
rt_malloc
(
MACB_RX_RING_SIZE
*
sizeof
(
struct
macb_dma_desc
));
if
(
macb
->
rx_ring
==
RT_NULL
)
goto
err3
;
EMAC_CACHE_INVALIDATE
(
macb
->
rx_ring
,
MACB_RX_RING_SIZE
*
sizeof
(
struct
macb_dma_desc
));
macb
->
rx_ring_dma
=
emac_virt_to_phys
((
unsigned
long
)
macb
->
rx_ring
);
macb
->
rx_ring
=
(
struct
macb_dma_desc
*
)
MMU_NOCACHE_ADDR
((
unsigned
long
)
macb
->
rx_ring
);
macb
->
rx_buffer
=
rt_malloc
(
MACB_RX_BUFFER_SIZE
);
if
(
macb
->
rx_buffer
==
RT_NULL
)
goto
err4
;
macb
->
rx_buffer_dma
=
emac_virt_to_phys
((
unsigned
long
)
macb
->
rx_buffer
);
macb
->
rx_ring
=
MMU_NOCACHE_ADDR
(
macb
->
rx_ring
);
macb
->
tx_ring
=
MMU_NOCACHE_ADDR
(
macb
->
tx_ring
);
macb
->
tx_pending
=
DEF_TX_RING_PENDING
;
macb
->
regs
=
AT91SAM9260_BASE_EMAC
;
macb
->
phy_addr
=
0x00
;
...
...
@@ -653,16 +836,41 @@ void macb_initialize()
ncfgr
=
MACB_BF
(
CLK
,
MACB_CLK_DIV64
);
macb_writel
(
macb
,
NCFGR
,
ncfgr
);
macb
->
link
=
0
;
return
RT_EOK
;
err4:
rt_free
(
macb
->
rx_ring
);
macb
->
rx_ring
=
RT_NULL
;
err3:
#if !defined(MACB_TX_SRAM)
rt_free
(
macb
->
tx_buffer
);
macb
->
tx_buffer
=
RT_NULL
;
err2:
rt_free
(
macb
->
tx_ring
);
macb
->
tx_ring
=
RT_NULL
;
err1:
#endif
return
-
RT_ENOMEM
;
}
void
rt_hw_macb_init
()
{
rt_err_t
ret
;
at91_sys_write
(
AT91_PMC
+
AT91_PMC_PCER
,
1
<<
AT91SAM9260_ID_EMAC
);
//enable macb clock
macb_gpio_init
();
rt_memset
(
&
macb_device
,
0
,
sizeof
(
macb_device
));
macb_initialize
();
rt_sem_init
(
&
sem_ack
,
"tx_ack"
,
1
,
RT_IPC_FLAG_FIFO
);
rt_sem_init
(
&
sem_lock
,
"eth_lock"
,
1
,
RT_IPC_FLAG_FIFO
);
ret
=
macb_initialize
();
if
(
ret
!=
RT_EOK
)
{
rt_kprintf
(
"AT91 EMAC initialized failed
\n
"
);
return
;
}
rt_sem_init
(
&
macb_device
.
tx_ack
,
"tx_ack"
,
0
,
RT_IPC_FLAG_FIFO
);
rt_sem_init
(
&
macb_device
.
tx_lock
,
"tx_lock"
,
1
,
RT_IPC_FLAG_FIFO
);
rt_sem_init
(
&
macb_device
.
rx_lock
,
"rx_lock"
,
1
,
RT_IPC_FLAG_FIFO
);
macb_device
.
dev_addr
[
0
]
=
0x00
;
macb_device
.
dev_addr
[
1
]
=
0x60
;
...
...
bsp/lm3s8962/drivers/luminaryif.c
浏览文件 @
f91fc2db
...
...
@@ -424,6 +424,10 @@ struct pbuf * luminaryif_rx(rt_device_t dev)
lwip_stats
.
link
.
memerr
++
;
lwip_stats
.
link
.
drop
++
;
#endif
//
// Enable Ethernet RX Interrupt.
//
EthernetIntEnable
(
ETH_BASE
,
ETH_INT_RX
);
}
return
(
p
);
...
...
bsp/lm3s9b9x/drivers/luminaryif.c
浏览文件 @
f91fc2db
...
...
@@ -423,6 +423,10 @@ struct pbuf * luminaryif_rx(rt_device_t dev)
lwip_stats
.
link
.
memerr
++
;
lwip_stats
.
link
.
drop
++
;
#endif
//
// Enable Ethernet RX Interrupt.
//
EthernetIntEnable
(
ETH_BASE
,
ETH_INT_RX
);
}
return
(
p
);
...
...
bsp/lpc178x/project.uvproj
浏览文件 @
f91fc2db
此差异已折叠。
点击以展开。
documentation/doxygen/mainpage.h
浏览文件 @
f91fc2db
...
...
@@ -5,7 +5,7 @@
/**
* @mainpage Introduction
* @author RT-Thread Development Team
* @version 1.
1
.0
* @version 1.
2
.0
*
* RT-Thread RTOS is an open source embedded real-time operating system and is
* designed specifically for small memory footprint platforms. The real-time and
...
...
examples/kernel/semaphore_static.c
浏览文件 @
f91fc2db
...
...
@@ -114,7 +114,7 @@ int _tc_semaphore_static(void)
{
/* 设置TestCase清理回调函数 */
tc_cleanup
(
_tc_cleanup
);
semaphore_static_init
(
void
);
semaphore_static_init
();
/* 返回TestCase运行的最长时间 */
return
100
;
...
...
@@ -125,7 +125,7 @@ FINSH_FUNCTION_EXPORT(_tc_semaphore_static, a static semaphore example);
/* 用户应用入口 */
int
rt_application_init
(
void
)
{
semaphore_static_init
(
void
);
semaphore_static_init
();
return
0
;
}
...
...
libcpu/arm/at91sam926x/mmu.c
浏览文件 @
f91fc2db
...
...
@@ -471,7 +471,7 @@ void rt_hw_mmu_init(void)
mmu_setmtt
(
0x00000000
,
0xFFFFFFFF
,
0x00000000
,
RW_NCNB
);
/* None cached for 4G memory */
mmu_setmtt
(
0x20000000
,
0x24000000
-
1
,
0x20000000
,
RW_CB
);
/* 64M cached SDRAM memory */
mmu_setmtt
(
0x00000000
,
0x100000
,
0x20000000
,
RW_CB
);
/* isr vector table */
mmu_setmtt
(
0x90000000
,
0x
100000
,
0x00000000
,
RW_CB
);
/* 4K cached internal memory
*/
mmu_setmtt
(
0x90000000
,
0x
90400000
-
1
,
0x00200000
,
RW_NCNB
);
/* 4K SRAM0 + 4k SRAM1
*/
mmu_setmtt
(
0xA0000000
,
0xA4000000
-
1
,
0x20000000
,
RW_NCNB
);
/* 64M none-cached SDRAM memory */
/* set MMU table address */
...
...
libcpu/arm/sep4020/interrupt.c
浏览文件 @
f91fc2db
...
...
@@ -31,10 +31,9 @@ rt_uint32_t rt_thread_switch_interrupt_flag;
*/
/*@{*/
rt_isr_handler_t
rt_hw_interrupt_handle
(
rt_uint32_t
vector
)
static
void
rt_hw_interrupt_handle
(
int
vector
,
void
*
param
)
{
rt_kprintf
(
"Unhandled interrupt %d occured!!!
\n
"
,
vector
);
return
RT_NULL
;
}
/**
...
...
@@ -85,7 +84,7 @@ void rt_hw_interrupt_init(void)
* This function will mask a interrupt.
* @param vector the interrupt number
*/
void
rt_hw_interrupt_mask
(
rt_uint32_
t
vector
)
void
rt_hw_interrupt_mask
(
in
t
vector
)
{
*
(
RP
)(
INTC_IMR
)
|=
1
<<
vector
;
}
...
...
@@ -94,7 +93,7 @@ void rt_hw_interrupt_mask(rt_uint32_t vector)
* This function will un-mask a interrupt.
* @param vector the interrupt number
*/
void
rt_hw_interrupt_umask
(
rt_uint32_
t
vector
)
void
rt_hw_interrupt_umask
(
in
t
vector
)
{
if
(
vector
==
16
)
{
...
...
libcpu/arm/sep4020/trap.c
浏览文件 @
f91fc2db
...
...
@@ -152,7 +152,7 @@ void rt_hw_trap_irq(void)
}
/* get interrupt service routine */
isr_func
=
isr_table
[
irq
].
isr_handle
;
isr_func
=
isr_table
[
irq
].
handler
;
param
=
isr_table
[
irq
].
param
;
/* turn to interrupt service routine */
...
...
src/kservice.c
浏览文件 @
f91fc2db
...
...
@@ -501,7 +501,7 @@ void rt_show_version(void)
rt_kprintf
(
"- RT - Thread Operating System
\n
"
);
rt_kprintf
(
" / |
\\
%d.%d.%d build %s
\n
"
,
RT_VERSION
,
RT_SUBVERSION
,
RT_REVISION
,
__DATE__
);
rt_kprintf
(
" 2006 - 201
2
Copyright by rt-thread team
\n
"
);
rt_kprintf
(
" 2006 - 201
3
Copyright by rt-thread team
\n
"
);
}
RTM_EXPORT
(
rt_show_version
);
...
...
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