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pci_ep: layerscape: Add Support for ls2085a and ls2080a EP mode

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Due to the ls2085a and ls2080a use different way to set the BAR size,
so add the BAR size init code here.

Signed-off-by: Xiaowei Bao <xiaowei.bao@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
This commit is contained in:
Xiaowei Bao 2020-07-09 23:31:38 +08:00 committed by Priyanka Jain
parent 15ce1fadf7
commit 78c56b29fc
1 changed files with 13 additions and 5 deletions
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18
drivers/pci/pcie_layerscape_ep.c
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@ -173,17 +173,25 @@ static void ls_pcie_setup_ep(struct ls_pcie_ep *pcie_ep)
*/
writel(0, pcie->dbi + PCIE_MISC_CONTROL_1_OFF);
bar_base = pcie->dbi +
PCIE_MASK_OFFSET(pcie_ep->cfg2_flag, pf);
if (pcie_ep->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_ep->cfg2_flag, pf);
ls_pcie_ep_setup_bars(bar_base);
ls_pcie_ep_setup_vf_bars(bar_base);
ls_pcie_ep_setup_atu(pcie_ep, pf);
}