-----Original Message----- From: Xiaowei Bao xiaowei.bao@nxp.com Sent: 2020年3月22日 19:13 To: M.h. Lian minghuan.lian@nxp.com; Z.q. Hou zhiqiang.hou@nxp.com; Mingkai Hu mingkai.hu@nxp.com; bmeng.cn@gmail.com; yamada.masahiro@socionext.com; u-boot@lists.denx.de Cc: Xiaowei Bao xiaowei.bao@nxp.com Subject: [PATCH 9/9] pci_ep: layerscape: Add the PCIe EP mode support for lx2160a-v2
Add the PCIe EP mode support for lx2160a-v2 platform.
Signed-off-by: Xiaowei Bao xiaowei.bao@nxp.com
drivers/pci/pcie_layerscape.h | 9 ++++++++- drivers/pci/pcie_layerscape_ep.c | 8 +++++++- 2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/pcie_layerscape.h b/drivers/pci/pcie_layerscape.h index 5f5c51d..593798e 100644 --- a/drivers/pci/pcie_layerscape.h +++ b/drivers/pci/pcie_layerscape.h @@ -100,7 +100,7 @@
#define PCIE_SRIOV_VFBAR0 0x19C
-#define PCIE_MASK_OFFSET(flag, pf) ((flag) ? 0 : (0x1000 + 0x20000 * (pf))) +#define PCIE_MASK_OFFSET(flag, pf, off) ((flag) ? 0 : (0x1000 + (off) * +(pf)))
/* LUT registers */ #define PCIE_LUT_UDR(n) (0x800 + (n) * 8) @@ -139,6 +139,12 @@ #define LS1021_PEXMSCPORTSR(pex_idx) (0x94 + (pex_idx) * 4) #define LS1021_LTSSM_STATE_SHIFT 20
+/* LX2160a PF1 offset */ +#define LX2160_PCIE_PF1_OFFSET 0x8000
+/* layerscape PF1 offset */ +#define LS_PCIE_PF1_OFFSET 0x20000
struct ls_pcie { void __iomem *dbi; void __iomem *lut; @@ -170,6 +176,7 @@ struct ls_pcie_ep { void __iomem *addr; u32 cfg2_flag; u32 sriov_flag;
- u32 pf1_offset; u32 num_ib_wins; u32 num_ob_wins; u8 max_functions;
diff --git a/drivers/pci/pcie_layerscape_ep.c b/drivers/pci/pcie_layerscape_ep.c index ebf69ee..0228863 100644 --- a/drivers/pci/pcie_layerscape_ep.c +++ b/drivers/pci/pcie_layerscape_ep.c @@ -197,7 +197,8 @@ 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);
PCIE_MASK_OFFSET(pcie_ep->cfg2_flag, pf,pcie_ep->pf1_offset); if (pcie_ep->cfg2_flag) { ctrl_writel(pcie,@@ -270,6 +271,11 @@ static int ls_pcie_ep_probe(struct udevice *dev)
svr = SVR_SOC_VER(get_svr());
- if (svr == SVR_LX2160A)
pcie_ep->pf1_offset = LX2160_PCIE_PF1_OFFSET;- else
pcie_ep->pf1_offset = LS_PCIE_PF1_OFFSET;- if (svr == SVR_LS2080A || svr == SVR_LS2085A) pcie_ep->cfg2_flag = 1; else
-- 2.9.5
Reviewed-by: Hou Zhiqiang Zhiqiang.Hou@nxp.com