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authorXiaowei Bao <xiaowei.bao@nxp.com>2020-07-09 23:31:40 +0800
committerPriyanka Jain <priyanka.jain@nxp.com>2020-07-27 14:24:15 +0530
commit80b5a662b7565928c97be9bc6e0a455e7f29dc75 (patch)
treeea6e339b663a63daaacf1c5c27e8962fbae525f9 /drivers
parent83bf32e680f91d3698ea34790e9cef877f3a8dd1 (diff)
pci: layerscape: Modify the ls_pcie_dump_atu function
Modify the ls_pcie_dump_atu function, make it can print the INBOUND windows registers. Signed-off-by: Xiaowei Bao <xiaowei.bao@nxp.com> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/pcie_layerscape.c25
-rw-r--r--drivers/pci/pcie_layerscape.h2
-rw-r--r--drivers/pci/pcie_layerscape_ep.c3
-rw-r--r--drivers/pci/pcie_layerscape_rc.c2
4 files changed, 18 insertions, 14 deletions
diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c
index 0116af8aa5..25b5272d4e 100644
--- a/drivers/pci/pcie_layerscape.c
+++ b/drivers/pci/pcie_layerscape.c
@@ -121,24 +121,25 @@ void ls_pcie_atu_inbound_set(struct ls_pcie *pcie, u32 pf, u32 vf_flag,
PCIE_ATU_BAR_NUM(bar), PCIE_ATU_CR2);
}
-void ls_pcie_dump_atu(struct ls_pcie *pcie)
+void ls_pcie_dump_atu(struct ls_pcie *pcie, u32 win_num, u32 type)
{
- int i;
+ int win_idx;
- for (i = 0; i < PCIE_ATU_REGION_NUM; i++) {
- dbi_writel(pcie, PCIE_ATU_REGION_OUTBOUND | i,
- PCIE_ATU_VIEWPORT);
- debug("iATU%d:\n", i);
+ for (win_idx = 0; win_idx < win_num; win_idx++) {
+ dbi_writel(pcie, type | win_idx, PCIE_ATU_VIEWPORT);
+ debug("iATU%d:\n", win_idx);
debug("\tLOWER PHYS 0x%08x\n",
dbi_readl(pcie, PCIE_ATU_LOWER_BASE));
debug("\tUPPER PHYS 0x%08x\n",
dbi_readl(pcie, PCIE_ATU_UPPER_BASE));
- debug("\tLOWER BUS 0x%08x\n",
- dbi_readl(pcie, PCIE_ATU_LOWER_TARGET));
- debug("\tUPPER BUS 0x%08x\n",
- dbi_readl(pcie, PCIE_ATU_UPPER_TARGET));
- debug("\tLIMIT 0x%08x\n",
- dbi_readl(pcie, PCIE_ATU_LIMIT));
+ if (type == PCIE_ATU_REGION_OUTBOUND) {
+ debug("\tLOWER BUS 0x%08x\n",
+ dbi_readl(pcie, PCIE_ATU_LOWER_TARGET));
+ debug("\tUPPER BUS 0x%08x\n",
+ dbi_readl(pcie, PCIE_ATU_UPPER_TARGET));
+ debug("\tLIMIT 0x%08x\n",
+ dbi_readl(pcie, PCIE_ATU_LIMIT));
+ }
debug("\tCR1 0x%08x\n",
dbi_readl(pcie, PCIE_ATU_CR1));
debug("\tCR2 0x%08x\n",
diff --git a/drivers/pci/pcie_layerscape.h b/drivers/pci/pcie_layerscape.h
index 26d0177ca2..5f5c51d3d6 100644
--- a/drivers/pci/pcie_layerscape.h
+++ b/drivers/pci/pcie_layerscape.h
@@ -185,7 +185,7 @@ void ls_pcie_atu_outbound_set(struct ls_pcie *pcie, int idx, int type,
u64 phys, u64 bus_addr, u64 size);
void ls_pcie_atu_inbound_set(struct ls_pcie *pcie, u32 pf, u32 vf_flag,
int type, int idx, int bar, u64 phys);
-void ls_pcie_dump_atu(struct ls_pcie *pcie);
+void ls_pcie_dump_atu(struct ls_pcie *pcie, u32 win_num, u32 type);
int ls_pcie_link_up(struct ls_pcie *pcie);
void ls_pcie_dbi_ro_wr_en(struct ls_pcie *pcie);
void ls_pcie_dbi_ro_wr_dis(struct ls_pcie *pcie);
diff --git a/drivers/pci/pcie_layerscape_ep.c b/drivers/pci/pcie_layerscape_ep.c
index cbf73e72c1..52d6397064 100644
--- a/drivers/pci/pcie_layerscape_ep.c
+++ b/drivers/pci/pcie_layerscape_ep.c
@@ -227,6 +227,9 @@ static void ls_pcie_setup_ep(struct ls_pcie_ep *pcie_ep)
ls_pcie_ep_setup_atu(pcie_ep, 0);
}
+ ls_pcie_dump_atu(pcie, PCIE_ATU_REGION_NUM_SRIOV,
+ PCIE_ATU_REGION_INBOUND);
+
ls_pcie_ep_enable_cfg(pcie_ep);
}
diff --git a/drivers/pci/pcie_layerscape_rc.c b/drivers/pci/pcie_layerscape_rc.c
index e922e5dbcd..25c6ddebce 100644
--- a/drivers/pci/pcie_layerscape_rc.c
+++ b/drivers/pci/pcie_layerscape_rc.c
@@ -115,7 +115,7 @@ static void ls_pcie_setup_atu(struct ls_pcie_rc *pcie_rc)
pref->bus_start,
pref->size);
- ls_pcie_dump_atu(pcie);
+ ls_pcie_dump_atu(pcie, PCIE_ATU_REGION_NUM, PCIE_ATU_REGION_OUTBOUND);
}
/* Return 0 if the address is valid, -errno if not valid */