[PATCHv6 23/28] PCI: mobiveil: Add upper 32-bit CPU base address setup in outbound window
From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Date: 2019-07-05 10:08:18
Also in:
linux-devicetree, linux-pci, lkml
Subsystem:
pci native host bridge and endpoint drivers, pci subsystem, the rest · Maintainers:
Lorenzo Pieralisi, Krzysztof Wilczyński, Manivannan Sadhasivam, Bjorn Helgaas, Linus Torvalds
The current code only setup the lower 32-bit CPU base address in
outbound window, it will result in outbound 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 <redacted>
---
V6:
- Splited from #9 of v5 patches, no functional change.
drivers/pci/controller/pcie-mobiveil.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c
index 4f50fe6..9382fed 100644
--- a/drivers/pci/controller/pcie-mobiveil.c
+++ b/drivers/pci/controller/pcie-mobiveil.c@@ -70,6 +70,7 @@ #define PAB_EXT_AXI_AMAP_SIZE(win) PAB_EXT_REG_ADDR(0xbaf0, win) +#define PAB_EXT_AXI_AMAP_AXI_WIN(win) PAB_EXT_REG_ADDR(0x80a0, win) #define PAB_AXI_AMAP_AXI_WIN(win) PAB_REG_ADDR(0x0ba4, win) #define AXI_WINDOW_ALIGN_MASK 3
@@ -518,8 +519,10 @@ static void program_ob_windows(struct mobiveil_pcie *pcie, int win_num, * program AXI window base with appropriate value in * PAB_AXI_AMAP_AXI_WIN0 register */ - csr_writel(pcie, cpu_addr & (~AXI_WINDOW_ALIGN_MASK), + csr_writel(pcie, lower_32_bits(cpu_addr) & (~AXI_WINDOW_ALIGN_MASK), PAB_AXI_AMAP_AXI_WIN(win_num)); + csr_writel(pcie, upper_32_bits(cpu_addr), + PAB_EXT_AXI_AMAP_AXI_WIN(win_num)); csr_writel(pcie, lower_32_bits(pci_addr), PAB_AXI_AMAP_PEX_WIN_L(win_num));
--
1.7.1
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