From 6497e37a7523d0d438990c56aa7f609b17e6b571 Mon Sep 17 00:00:00 2001 From: Mingkai Hu Date: Tue, 18 Aug 2015 14:06:26 -0700 Subject: [PATCH] net: e1000: Support 64-bit physical address High 32-bit address is needed when u-boot runs in 64-bit space. Tested on armv8-based LS2085ARDB. Signed-off-by: Mingkai Hu Signed-off-by: York Sun Acked-by: Joe Hershberger --- 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 d5d48b1e7d..e81641054d 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); 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); -- 2.39.5