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| author | Wolfgang Denk <wd@denx.de> | 2012-07-20 09:12:43 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2012-07-20 09:12:43 +0200 |
| commit | 3ec81d758c09d6887a77a1b1259d044a2905bc8e (patch) | |
| tree | f86e0095994be54d6a94c01c7dd5d977d56e0fce /include/usb.h | |
| parent | ad8439d4645200b5a4f230dd07b73ae956b88c1e (diff) | |
| parent | 1b4bd0e66cd3b5124669c78bc968510b1040e9d9 (diff) | |
| download | u-boot-imx-3ec81d758c09d6887a77a1b1259d044a2905bc8e.zip u-boot-imx-3ec81d758c09d6887a77a1b1259d044a2905bc8e.tar.gz u-boot-imx-3ec81d758c09d6887a77a1b1259d044a2905bc8e.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-usb
* 'master' of git://git.denx.de/u-boot-usb:
usb_storage: fix ehci driver max transfer size
smsc95xx: align buffers to cache line size
ehci-hcd: change debug() to printf() in case of errors
usb: check return value of submit_{control, bulk}_msg
usb: pass cache-aligned buffer to usb_get_descriptor()
ehci-hcd: fix external buffer cache handling
ehci-hcd.c, musb_core, usb.h: Add USB_DMA_MINALIGN define for cache alignment
ehci-hcd: program asynclistaddr before every transfer
common.h: Introduce DEFINE_CACHE_ALIGN_BUFFER
ehci-omap: Do not call dcache_off from omap_ehci_hcd_init
Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'include/usb.h')
| -rw-r--r-- | include/usb.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/usb.h b/include/usb.h index 6da91e7..ba3d169 100644 --- a/include/usb.h +++ b/include/usb.h @@ -29,6 +29,16 @@ #include <usb_defs.h> #include <usbdescriptors.h> +/* + * The EHCI spec says that we must align to at least 32 bytes. However, + * some platforms require larger alignment. + */ +#if ARCH_DMA_MINALIGN > 32 +#define USB_DMA_MINALIGN ARCH_DMA_MINALIGN +#else +#define USB_DMA_MINALIGN 32 +#endif + /* Everything is aribtrary */ #define USB_ALTSETTINGALLOC 4 #define USB_MAXALTSETTING 128 /* Hard limit */ |