[U-Boot] [PATCH 1/3] PCI: layerscape: Add Support for ls2085a and ls2080a EP mode
Xiaowei Bao
xiaowei.bao at nxp.com
Fri Nov 22 07:33:50 UTC 2019
Due to the ls2085a and ls2080a use difference way to set the BAR size,
so add the BAR size init code here.
Signed-off-by: Xiaowei Bao <xiaowei.bao at nxp.com>
depends on: http://patchwork.ozlabs.org/project/uboot/list/?series=108172&state=*
---
drivers/pci/pcie_layerscape.c | 19 +++++++++++++------
1 file changed, 13 insertions(+), 6 deletions(-)
diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c
index 05e6b62..845efda 100644
--- a/drivers/pci/pcie_layerscape.c
+++ b/drivers/pci/pcie_layerscape.c
@@ -467,18 +467,25 @@ static void ls_pcie_setup_ep(struct ls_pcie *pcie)
*/
writel(0, pcie->dbi + PCIE_MISC_CONTROL_1_OFF);
+ bar_base = pcie->dbi +
+ PCIE_MASK_OFFSET(pcie->cfg2_flag, pf);
+
if (pcie->cfg2_flag) {
- for (vf = 0; vf <= PCIE_VF_NUM; vf++) {
+ ctrl_writel(pcie,
+ PCIE_LCTRL0_VAL(pf, 0),
+ PCIE_PF_VF_CTRL);
+ ls_pcie_ep_setup_bars(bar_base);
+
+ for (vf = 1; vf <= PCIE_VF_NUM; vf++) {
ctrl_writel(pcie,
PCIE_LCTRL0_VAL(pf, vf),
PCIE_PF_VF_CTRL);
+ ls_pcie_ep_setup_vf_bars(bar_base);
}
+ } else {
+ ls_pcie_ep_setup_bars(bar_base);
+ ls_pcie_ep_setup_vf_bars(bar_base);
}
- bar_base = pcie->dbi +
- PCIE_MASK_OFFSET(pcie->cfg2_flag, pf);
- ls_pcie_ep_setup_bars(bar_base);
- ls_pcie_ep_setup_vf_bars(bar_base);
-
ls_pcie_ep_setup_atu(pcie, pf);
}
--
2.9.5
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