diff options
Diffstat (limited to 'drivers/marvell/iob.c')
| -rw-r--r-- | drivers/marvell/iob.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/marvell/iob.c b/drivers/marvell/iob.c index 87f147aa4..29088aa92 100644 --- a/drivers/marvell/iob.c +++ b/drivers/marvell/iob.c @@ -44,6 +44,10 @@ #define IOB_WIN_ALR_OFFSET(win) (iob_base + 0x8 + (0x20 * win)) #define IOB_WIN_AHR_OFFSET(win) (iob_base + 0xC + (0x20 * win)) +#define IOB_WIN_DIOB_CR_OFFSET(win) (iob_base + 0x10 + (0x20 * win)) +#define IOB_WIN_XOR0_DIOB_EN BIT(0) +#define IOB_WIN_XOR1_DIOB_EN BIT(1) + uintptr_t iob_base; static void iob_win_check(struct addr_map_win *win, uint32_t win_num) @@ -71,6 +75,17 @@ static void iob_enable_win(struct addr_map_win *win, uint32_t win_id) uint32_t iob_win_reg; uint32_t alr, ahr; uint64_t end_addr; + uint32_t reg_en; + + /* move XOR (DMA) to use WIN1 which is used for PCI-EP address space */ + reg_en = IOB_WIN_XOR0_DIOB_EN | IOB_WIN_XOR1_DIOB_EN; + iob_win_reg = mmio_read_32(IOB_WIN_DIOB_CR_OFFSET(0)); + iob_win_reg &= ~reg_en; + mmio_write_32(IOB_WIN_DIOB_CR_OFFSET(0), iob_win_reg); + + iob_win_reg = mmio_read_32(IOB_WIN_DIOB_CR_OFFSET(1)); + iob_win_reg |= reg_en; + mmio_write_32(IOB_WIN_DIOB_CR_OFFSET(1), iob_win_reg); end_addr = (win->base_addr + win->win_size - 1); alr = (uint32_t)((win->base_addr >> ADDRESS_SHIFT) & ADDRESS_MASK); |