diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.10/205-USB-fix-bcm63xx_udc.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.10/205-USB-fix-bcm63xx_udc.patch | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.10/205-USB-fix-bcm63xx_udc.patch b/target/linux/brcm63xx/patches-3.10/205-USB-fix-bcm63xx_udc.patch new file mode 100644 index 0000000000..dfe709ce68 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/205-USB-fix-bcm63xx_udc.patch @@ -0,0 +1,127 @@ +--- a/drivers/usb/gadget/bcm63xx_udc.c ++++ b/drivers/usb/gadget/bcm63xx_udc.c +@@ -362,24 +362,30 @@ static inline void usb_dma_writel(struct + bcm_writel(val, udc->iudma_regs + off); + } + +-static inline u32 usb_dmac_readl(struct bcm63xx_udc *udc, u32 off) ++static inline u32 usb_dmac_readl(struct bcm63xx_udc *udc, u32 off, int chan) + { +- return bcm_readl(udc->iudma_regs + IUDMA_DMAC_OFFSET + off); ++ return bcm_readl(udc->iudma_regs + IUDMA_DMAC_OFFSET + off + ++ (ENETDMA_CHAN_WIDTH * chan)); + } + +-static inline void usb_dmac_writel(struct bcm63xx_udc *udc, u32 val, u32 off) ++static inline void usb_dmac_writel(struct bcm63xx_udc *udc, u32 val, u32 off, ++ int chan) + { +- bcm_writel(val, udc->iudma_regs + IUDMA_DMAC_OFFSET + off); ++ bcm_writel(val, udc->iudma_regs + IUDMA_DMAC_OFFSET + off + ++ (ENETDMA_CHAN_WIDTH* chan)); + } + +-static inline u32 usb_dmas_readl(struct bcm63xx_udc *udc, u32 off) ++static inline u32 usb_dmas_readl(struct bcm63xx_udc *udc, u32 off, int chan) + { +- return bcm_readl(udc->iudma_regs + IUDMA_DMAS_OFFSET + off); ++ return bcm_readl(udc->iudma_regs + IUDMA_DMAS_OFFSET + off + ++ (ENETDMA_CHAN_WIDTH* chan)); + } + +-static inline void usb_dmas_writel(struct bcm63xx_udc *udc, u32 val, u32 off) ++static inline void usb_dmas_writel(struct bcm63xx_udc *udc, u32 val, u32 off, ++ int chan) + { +- bcm_writel(val, udc->iudma_regs + IUDMA_DMAS_OFFSET + off); ++ bcm_writel(val, udc->iudma_regs + IUDMA_DMAS_OFFSET + off + ++ (ENETDMA_CHAN_WIDTH * chan)); + } + + static inline void set_clocks(struct bcm63xx_udc *udc, bool is_enabled) +@@ -639,7 +645,7 @@ static void iudma_write(struct bcm63xx_u + } while (!last_bd); + + usb_dmac_writel(udc, ENETDMAC_CHANCFG_EN_MASK, +- ENETDMAC_CHANCFG_REG(iudma->ch_idx)); ++ ENETDMAC_CHANCFG_REG, iudma->ch_idx); + } + + /** +@@ -695,9 +701,9 @@ static void iudma_reset_channel(struct b + bcm63xx_fifo_reset_ep(udc, max(0, iudma->ep_num)); + + /* stop DMA, then wait for the hardware to wrap up */ +- usb_dmac_writel(udc, 0, ENETDMAC_CHANCFG_REG(ch_idx)); ++ usb_dmac_writel(udc, 0, ENETDMAC_CHANCFG_REG, ch_idx); + +- while (usb_dmac_readl(udc, ENETDMAC_CHANCFG_REG(ch_idx)) & ++ while (usb_dmac_readl(udc, ENETDMAC_CHANCFG_REG, ch_idx) & + ENETDMAC_CHANCFG_EN_MASK) { + udelay(1); + +@@ -714,10 +720,10 @@ static void iudma_reset_channel(struct b + dev_warn(udc->dev, "forcibly halting IUDMA channel %d\n", + ch_idx); + usb_dmac_writel(udc, ENETDMAC_CHANCFG_BUFHALT_MASK, +- ENETDMAC_CHANCFG_REG(ch_idx)); ++ ENETDMAC_CHANCFG_REG, ch_idx); + } + } +- usb_dmac_writel(udc, ~0, ENETDMAC_IR_REG(ch_idx)); ++ usb_dmac_writel(udc, ~0, ENETDMAC_IR_REG, ch_idx); + + /* don't leave "live" HW-owned entries for the next guy to step on */ + for (d = iudma->bd_ring; d <= iudma->end_bd; d++) +@@ -729,11 +735,11 @@ static void iudma_reset_channel(struct b + + /* set up IRQs, UBUS burst size, and BD base for this channel */ + usb_dmac_writel(udc, ENETDMAC_IR_BUFDONE_MASK, +- ENETDMAC_IRMASK_REG(ch_idx)); +- usb_dmac_writel(udc, 8, ENETDMAC_MAXBURST_REG(ch_idx)); ++ ENETDMAC_IRMASK_REG, ch_idx); ++ usb_dmac_writel(udc, 8, ENETDMAC_MAXBURST_REG, ch_idx); + +- usb_dmas_writel(udc, iudma->bd_ring_dma, ENETDMAS_RSTART_REG(ch_idx)); +- usb_dmas_writel(udc, 0, ENETDMAS_SRAM2_REG(ch_idx)); ++ usb_dmas_writel(udc, iudma->bd_ring_dma, ENETDMAS_RSTART_REG, ch_idx); ++ usb_dmas_writel(udc, 0, ENETDMAS_SRAM2_REG, ch_idx); + } + + /** +@@ -2016,7 +2022,7 @@ static irqreturn_t bcm63xx_udc_data_isr( + spin_lock(&udc->lock); + + usb_dmac_writel(udc, ENETDMAC_IR_BUFDONE_MASK, +- ENETDMAC_IR_REG(iudma->ch_idx)); ++ ENETDMAC_IR_REG, iudma->ch_idx); + bep = iudma->bep; + rc = iudma_read(udc, iudma); + +@@ -2156,18 +2162,18 @@ static int bcm63xx_iudma_dbg_show(struct + seq_printf(s, " [ep%d]:\n", + max_t(int, iudma_defaults[ch_idx].ep_num, 0)); + seq_printf(s, " cfg: %08x; irqstat: %08x; irqmask: %08x; maxburst: %08x\n", +- usb_dmac_readl(udc, ENETDMAC_CHANCFG_REG(ch_idx)), +- usb_dmac_readl(udc, ENETDMAC_IR_REG(ch_idx)), +- usb_dmac_readl(udc, ENETDMAC_IRMASK_REG(ch_idx)), +- usb_dmac_readl(udc, ENETDMAC_MAXBURST_REG(ch_idx))); ++ usb_dmac_readl(udc, ENETDMAC_CHANCFG_REG, ch_idx), ++ usb_dmac_readl(udc, ENETDMAC_IR_REG, ch_idx)), ++ usb_dmac_readl(udc, ENETDMAC_IRMASK_REG, ch_idx), ++ usb_dmac_readl(udc, ENETDMAC_MAXBURST_REG, ch_idx); + +- sram2 = usb_dmas_readl(udc, ENETDMAS_SRAM2_REG(ch_idx)); +- sram3 = usb_dmas_readl(udc, ENETDMAS_SRAM3_REG(ch_idx)); ++ sram2 = usb_dmas_readl(udc, ENETDMAS_SRAM2_REG, ch_idx); ++ sram3 = usb_dmas_readl(udc, ENETDMAS_SRAM3_REG, ch_idx); + seq_printf(s, " base: %08x; index: %04x_%04x; desc: %04x_%04x %08x\n", +- usb_dmas_readl(udc, ENETDMAS_RSTART_REG(ch_idx)), ++ usb_dmas_readl(udc, ENETDMAS_RSTART_REG, ch_idx), + sram2 >> 16, sram2 & 0xffff, + sram3 >> 16, sram3 & 0xffff, +- usb_dmas_readl(udc, ENETDMAS_SRAM4_REG(ch_idx))); ++ usb_dmas_readl(udc, ENETDMAS_SRAM4_REG, ch_idx)); + seq_printf(s, " desc: %d/%d used", iudma->n_bds_used, + iudma->n_bds); + |