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Red fix: USB power check implemented in driver instead

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15761 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2007-11-22 22:17:45 +00:00
parent f2815ff32f
commit 7af22e1a86
3 changed files with 10 additions and 2 deletions
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4
bootloader/main-pp.c
View file

@ -40,7 +40,7 @@
#endif
#if defined(SANSA_E200) || defined(SANSA_C200)
#include "usb.h"
#include "arcotg_udc.h"
#include "usb_drv.h"
#endif
@ -460,7 +460,7 @@ void* main(void)
btn = button_read_device();
#if defined(SANSA_E200) || defined(SANSA_C200)
usb_init();
while ((UDC_OTGSC&0x800) && usb_retry < 5 && !usb)
while (usb_drv_powered() && usb_retry < 5 && !usb)
{
usb_retry++;
sleep(HZ/4);

1
firmware/export/usb_drv.h
View file

@ -31,5 +31,6 @@ void usb_drv_ack(struct usb_ctrlrequest* req);
void usb_drv_set_address(int address);
void usb_drv_reset_endpoint(int endpoint, bool send);
void usb_drv_wait(int endpoint, bool send);
bool usb_drv_powered(void);
#endif

7
firmware/target/arm/usb-drv-pp502x.c
View file

@ -247,6 +247,9 @@
#define USB_CTRL_IOENB (0x00000004)
#define USB_CTRL_ULPI_INT0EN (0x00000001)
/* OTGSC Register Bit Masks */
#define OTGSC_B_SESSION_VALID (0x00000800)
#define QH_MULT_POS (30)
#define QH_ZLT_SEL (0x20000000)
#define QH_MAX_PKT_LEN_POS (16)
@ -322,6 +325,10 @@ static void init_queue_heads(void);
static void init_endpoints(void);
/*-------------------------------------------------------------------------*/
bool usb_drv_powered(void)
{
return (REG_OTGSC & OTGSC_B_SESSION_VALID) ? true : false;
}
/* manual: 32.14.1 Device Controller Initialization */
void usb_drv_init(void)