Simpilify the uncached buffer allocation for the USB stack using NOCACHEBSS_ATTR. This will probably get abstracted since the appropriate way to handle it will be somewhat target-specific.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17140 a1c6a512-1295-4272-9138-f99709370657
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@ -302,8 +302,8 @@ struct transfer_descriptor {
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unsigned int reserved;
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} __attribute__ ((packed));
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static struct transfer_descriptor _td_array[NUM_ENDPOINTS*2] __attribute((aligned (32)));
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static struct transfer_descriptor* td_array;
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static struct transfer_descriptor td_array[NUM_ENDPOINTS*2]
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NOCACHEBSS_ATTR;
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/* manual: 32.13.1 Endpoint Queue Head (dQH) */
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struct queue_head {
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@ -318,8 +318,9 @@ struct queue_head {
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unsigned int wait; /* for softwate use, indicates if the transfer is blocking */
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} __attribute__((packed));
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static struct queue_head _qh_array[NUM_ENDPOINTS*2] __attribute((aligned (2048)));
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static struct queue_head* qh_array;
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static struct queue_head qh_array[NUM_ENDPOINTS*2]
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NOCACHEBSS_ATTR __attribute((aligned (2048)));
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static struct event_queue transfer_completion_queue[NUM_ENDPOINTS*2];
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@ -367,10 +368,8 @@ void usb_drv_init(void)
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REG_PORTSC1 |= PORTSCX_PORT_FORCE_FULL_SPEED;
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#endif
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td_array = (struct transfer_descriptor*)UNCACHED_ADDR(&_td_array);
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qh_array = (struct queue_head*)UNCACHED_ADDR(&_qh_array);
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init_control_queue_heads();
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memset(td_array, 0, sizeof _td_array);
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memset(td_array, 0, sizeof td_array);
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REG_ENDPOINTLISTADDR = (unsigned int)qh_array;
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REG_DEVICEADDR = 0;
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@ -646,7 +645,7 @@ void usb_drv_cancel_all_transfers(void)
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REG_ENDPTFLUSH = ~0;
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while (REG_ENDPTFLUSH);
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memset(td_array, 0, sizeof _td_array);
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memset(td_array, 0, sizeof td_array);
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for(i=0;i<NUM_ENDPOINTS*2;i++) {
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if(qh_array[i].wait) {
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qh_array[i].wait=0;
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@ -776,7 +775,7 @@ static void bus_reset(void)
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static void init_control_queue_heads(void)
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{
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int i;
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memset(qh_array, 0, sizeof _qh_array);
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memset(qh_array, 0, sizeof qh_array);
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/*** control ***/
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qh_array[EP_CONTROL].max_pkt_length = 64 << QH_MAX_PKT_LEN_POS | QH_IOS;
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@ -121,7 +121,7 @@ static const struct usb_qualifier_descriptor __attribute__((aligned(2)))
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.bNumConfigurations = 1
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};
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static struct usb_string_descriptor __attribute__((aligned(2)))
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static const struct usb_string_descriptor __attribute__((aligned(2)))
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usb_string_iManufacturer =
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{
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24,
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@ -129,7 +129,7 @@ static struct usb_string_descriptor __attribute__((aligned(2)))
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{'R','o','c','k','b','o','x','.','o','r','g'}
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};
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static struct usb_string_descriptor __attribute__((aligned(2)))
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static const struct usb_string_descriptor __attribute__((aligned(2)))
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usb_string_iProduct =
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{
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42,
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@ -152,7 +152,7 @@ static struct usb_string_descriptor __attribute__((aligned(2)))
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/* Generic for all targets */
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/* this is stringid #0: languages supported */
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static struct usb_string_descriptor __attribute__((aligned(2)))
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static const struct usb_string_descriptor __attribute__((aligned(2)))
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lang_descriptor =
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{
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4,
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@ -160,7 +160,7 @@ static struct usb_string_descriptor __attribute__((aligned(2)))
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{0x0409} /* LANGID US English */
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};
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static struct usb_string_descriptor __attribute__((aligned(2)))
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static const struct usb_string_descriptor __attribute__((aligned(2)))
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usb_string_charging_only =
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{
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28,
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@ -168,7 +168,7 @@ static struct usb_string_descriptor __attribute__((aligned(2)))
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{'C','h','a','r','g','i','n','g',' ','o','n','l','y'}
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};
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static struct usb_string_descriptor* usb_strings[] =
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static struct usb_string_descriptor* const usb_strings[] =
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{
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&lang_descriptor,
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&usb_string_iManufacturer,
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@ -244,8 +244,7 @@ static struct usb_class_driver drivers[USB_NUM_DRIVERS] =
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static void usb_core_control_request_handler(struct usb_ctrlrequest* req);
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static int ack_control(struct usb_ctrlrequest* req);
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static unsigned char *response_data;
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static unsigned char __response_data[CACHEALIGN_UP(256)] CACHEALIGN_ATTR;
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static unsigned char response_data[256] NOCACHEBSS_ATTR;
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static struct usb_transfer_completion_event_data events[NUM_ENDPOINTS];
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@ -317,8 +316,6 @@ void usb_core_init(void)
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if (initialized)
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return;
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response_data = (void*)UNCACHED_ADDR(&__response_data);
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usb_drv_init();
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/* class driver init functions should be safe to call even if the driver
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