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| author | Frank Gevaerts <frank@gevaerts.be> | 2008-04-20 16:51:09 +0000 |
|---|---|---|
| committer | Frank Gevaerts <frank@gevaerts.be> | 2008-04-20 16:51:09 +0000 |
| commit | 02bfba6c616a4e4aedf0e36d742598c36334e228 (patch) | |
| tree | 361db89d5d6f65ae8d180d1c078c587dc58f0a46 /firmware | |
| parent | bcf0b6cfb7c0eb7954ee1344abb28efad4afb4cd (diff) | |
| download | rockbox-02bfba6c616a4e4aedf0e36d742598c36334e228.zip rockbox-02bfba6c616a4e4aedf0e36d742598c36334e228.tar.gz rockbox-02bfba6c616a4e4aedf0e36d742598c36334e228.tar.bz2 rockbox-02bfba6c616a4e4aedf0e36d742598c36334e228.tar.xz | |
Put USB controller structures in IRAM. This seems to make the connection much more stable on PP502x
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17191 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware')
| -rw-r--r-- | firmware/export/usb_core.h | 2 | ||||
| -rw-r--r-- | firmware/usbstack/usb_serial.c | 8 |
2 files changed, 8 insertions, 2 deletions
diff --git a/firmware/export/usb_core.h b/firmware/export/usb_core.h index bf6f2be..fc1c742 100644 --- a/firmware/export/usb_core.h +++ b/firmware/export/usb_core.h @@ -37,7 +37,7 @@ #define NUM_ENDPOINTS 8 #define USBDEVBSS_ATTR DEVBSS_ATTR #else -#define USBDEVBSS_ATTR NOCACHEBSS_ATTR +#define USBDEVBSS_ATTR IBSS_ATTR #define NUM_ENDPOINTS 3 #endif diff --git a/firmware/usbstack/usb_serial.c b/firmware/usbstack/usb_serial.c index f390354..08eb121 100644 --- a/firmware/usbstack/usb_serial.c +++ b/firmware/usbstack/usb_serial.c @@ -53,10 +53,16 @@ struct usb_endpoint_descriptor __attribute__((aligned(2))) endpoint_descriptor = }; #define BUFFER_SIZE 512 /* Max 16k because of controller limitations */ +#if CONFIG_CPU == IMX31L static unsigned char send_buffer[BUFFER_SIZE] USBDEVBSS_ATTR __attribute__((aligned(32))); -static unsigned char receive_buffer[512] +static unsigned char receive_buffer[32] USBDEVBSS_ATTR __attribute__((aligned(32))); +#else +static unsigned char send_buffer[BUFFER_SIZE] __attribute__((aligned(32))); +static unsigned char receive_buffer[32] __attribute__((aligned(32))); +#endif + static bool busy_sending = false; static int buffer_start; static int buffer_length; |