lkml.org 
[lkml]   [2019]   [Jul]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCHv6 24/28] PCI: mobiveil: Add upper 32-bit PCI base address setup in inbound window
Date
The current code only setup the lower 32-bit PCI base address in
inbound window, it can result in inbound transactions drop on
64-bit platforms.

Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver")
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com>
Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
---
V6:
- Splited from #9 of v5 patches, no functional change.

drivers/pci/controller/pcie-mobiveil.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c
index 9382fed..75494f0 100644
--- a/drivers/pci/controller/pcie-mobiveil.c
+++ b/drivers/pci/controller/pcie-mobiveil.c
@@ -457,7 +457,7 @@ static int mobiveil_pcie_parse_dt(struct mobiveil_pcie *pcie)
}

static void program_ib_windows(struct mobiveil_pcie *pcie, int win_num,
- int pci_addr, u32 type, u64 size)
+ u64 pci_addr, u32 type, u64 size)
{
u32 value;
u64 size64 = ~(size - 1);
@@ -483,8 +483,11 @@ static void program_ib_windows(struct mobiveil_pcie *pcie, int win_num,

csr_writel(pcie, pci_addr, PAB_PEX_AMAP_AXI_WIN(win_num));

- csr_writel(pcie, pci_addr, PAB_PEX_AMAP_PEX_WIN_L(win_num));
- csr_writel(pcie, 0, PAB_PEX_AMAP_PEX_WIN_H(win_num));
+ csr_writel(pcie, lower_32_bits(pci_addr),
+ PAB_PEX_AMAP_PEX_WIN_L(win_num));
+ csr_writel(pcie, upper_32_bits(pci_addr),
+ PAB_PEX_AMAP_PEX_WIN_H(win_num));
+
pcie->ib_wins_configured++;
}

--
1.7.1
\
 
 \ /
  Last update: 2019-07-05 12:09    [W:0.112 / U:2.760 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site