[U-Boot] [PATCH] e1000: support 64bit physical address
Bin Meng
bmeng.cn at gmail.com
Tue Aug 18 06:18:44 CEST 2015
Hi Mingkai,
On Mon, Aug 17, 2015 at 2:49 PM, Mingkai Hu <Mingkai.Hu at freescale.com> wrote:
Please add a commit message on this change.
> Signed-off-by: Mingkai Hu <Mingkai.Hu at freescale.com>
> ---
> drivers/net/e1000.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
> index d5d48b1..e816410 100644
> --- a/drivers/net/e1000.c
> +++ b/drivers/net/e1000.c
> @@ -4980,8 +4980,8 @@ e1000_configure_tx(struct e1000_hw *hw)
> unsigned long tipg, tarc;
> uint32_t ipgr1, ipgr2;
>
> - E1000_WRITE_REG(hw, TDBAL, (unsigned long)tx_base);
> - E1000_WRITE_REG(hw, TDBAH, 0);
> + E1000_WRITE_REG(hw, TDBAL, (unsigned long)tx_base & 0xffffffff);
> + E1000_WRITE_REG(hw, TDBAH, (unsigned long)tx_base >> 32);
Should it be:
E1000_WRITE_REG(hw, TDBAL, (unsigned long)(tx_base & 0xffffffff));
E1000_WRITE_REG(hw, TDBAH, (unsigned long)(tx_base >> 32));
?
>
> E1000_WRITE_REG(hw, TDLEN, 128);
>
> @@ -5124,8 +5124,8 @@ e1000_configure_rx(struct e1000_hw *hw)
> E1000_WRITE_FLUSH(hw);
> }
> /* Setup the Base and Length of the Rx Descriptor Ring */
> - E1000_WRITE_REG(hw, RDBAL, (unsigned long)rx_base);
> - E1000_WRITE_REG(hw, RDBAH, 0);
> + E1000_WRITE_REG(hw, RDBAL, (unsigned long)rx_base & 0xffffffff);
> + E1000_WRITE_REG(hw, RDBAH, (unsigned long)rx_base >> 32);
>
> E1000_WRITE_REG(hw, RDLEN, 128);
>
> --
Regards,
Bin
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