diff options
Diffstat (limited to 'drivers/usb/host/ohci.h')
-rw-r--r-- | drivers/usb/host/ohci.h | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h index 24f5e4e3e8..f52b4c1bb5 100644 --- a/drivers/usb/host/ohci.h +++ b/drivers/usb/host/ohci.h @@ -18,6 +18,18 @@ # define ohci_writel(a, b) (*((volatile u32 *)(b)) = ((volatile u32)a)) #endif /* CONFIG_SYS_OHCI_SWAP_REG_ACCESS */ +#if defined CONFIG_DM_USB && ARCH_DMA_MINALIGN > 16 +#define ED_ALIGNMENT ARCH_DMA_MINALIGN +#else +#define ED_ALIGNMENT 16 +#endif + +#if defined CONFIG_DM_USB && ARCH_DMA_MINALIGN > 32 +#define TD_ALIGNMENT ARCH_DMA_MINALIGN +#else +#define TD_ALIGNMENT 32 +#endif + /* functions for doing board or CPU specific setup/cleanup */ int usb_board_stop(void); @@ -52,7 +64,7 @@ struct ed { struct usb_device *usb_dev; void *purb; __u32 unused[2]; -} __attribute__((aligned(16))); +} __attribute__((aligned(ED_ALIGNMENT))); typedef struct ed ed_t; @@ -112,7 +124,7 @@ struct td { __u32 data; __u32 unused2[2]; -} __attribute__((aligned(32))); +} __attribute__((aligned(TD_ALIGNMENT))); typedef struct td td_t; #define OHCI_ED_SKIP (1 << 14) @@ -356,8 +368,8 @@ typedef struct #define NUM_TD 64 /* we need more TDs than EDs */ typedef struct ohci_device { - ed_t ed[NUM_EDS] __aligned(16); - td_t tds[NUM_TD] __aligned(32); + ed_t ed[NUM_EDS] __aligned(ED_ALIGNMENT); + td_t tds[NUM_TD] __aligned(TD_ALIGNMENT); int ed_cnt; } ohci_dev_t; @@ -371,7 +383,7 @@ typedef struct ohci_device { typedef struct ohci { /* this allocates EDs for all possible endpoints */ - struct ohci_device ohci_dev __aligned(32); + struct ohci_device ohci_dev __aligned(TD_ALIGNMENT); struct ohci_hcca *hcca; /* hcca */ /*dma_addr_t hcca_dma;*/ |