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M:Robe 500/M66591: Add support for full-speed USB transfers, and fix the UART interrupt clearing.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22095 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun 2009-08-01 15:41:40 +00:00
parent 5c882be608
commit f3298a4612
2 changed files with 43 additions and 20 deletions
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32
firmware/drivers/m66591.c
View file

@ -41,6 +41,11 @@
/*******************************************************************************
* These are the driver specific defines.
******************************************************************************/
/* This define is primarily intended for testing, using HISPEED all the time
* should be acceptable since the defice should down-train if the host does not
* support HISPEED.
*/
#define HISPEED
/* Right now sending blocks till the full transfer has completed, this needs to
@ -134,10 +139,12 @@ static int pipe_buffer_size (int pipe) {
}
#endif
/* This function returns the maximum packet size for each endpoint/pipe. It is
* Currently only setup to support Highspeed mode.
/* This function returns the maximum packet size for each endpoint/pipe. The
* max packet size is dependent on whether the device is running High or Full
* speed.
*/
static int pipe_maxpack_size (int pipe) {
if( (M66591_HSFS & 0xFF) == 0x03 ) { /* Device is running Highspeed */
switch(pipe) {
case 0:
/* DCP max packet size is configurable */
@ -153,6 +160,23 @@ static int pipe_maxpack_size (int pipe) {
default:
return 0;
}
} else { /* Device is running Full speed */
switch(pipe) {
case 0:
/* DCP max packet size is configurable */
return M66591_DCP_MXPKSZ;
case 1:
case 2:
case 3:
case 4:
return 64;
case 5:
case 6:
return 64;
default:
return 0;
}
}
}
/* This is a helper function that is only called from the interupt handler. It
@ -461,7 +485,7 @@ void USB_DEVICE(void) {
case CTRL_RTDS:
case CTRL_WTDS:
case CTRL_WTND:
// If data is not valid stop
/* If data is not valid stop */
if(!(M66591_INTSTAT_MAIN & (1<<3)) ) {
logf("mxx: CTRT interrupt but VALID is false");
break;
@ -471,7 +495,7 @@ void USB_DEVICE(void) {
case CTRL_RTSS:
case CTRL_WTSS:
pipe_handshake(0, PIPE_SHAKE_BUF);
M66591_DCPCTRL |= 1<<2; // Set CCPL
M66591_DCPCTRL |= 1<<2; /* Set CCPL */
break;
default:
logf("mxx: CTRT with unknown CTSQ");

3
firmware/target/arm/tms320dm320/uart-dm320.c
View file

@ -156,6 +156,7 @@ int uart1_gets_queue(char *str, int size)
/* UART1 receive/transmit interupt handler */
void UART1(void)
{
IO_INTC_IRQ0 = INTR_IRQ0_UART1; /* Clear the interrupt first */
while (IO_UART1_RFCR & 0x3f)
{
if (uart1_receive_count > RECEIVE_RING_SIZE)
@ -176,6 +177,4 @@ void UART1(void)
IO_UART1_DTRR=uart1_send_buffer_ring[uart1_send_read++];
uart1_send_count--;
}
IO_INTC_IRQ0 = INTR_IRQ0_UART1;
}