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path: root/drivers/pci/pcie_layerscape.h
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Diffstat (limited to 'drivers/pci/pcie_layerscape.h')
-rw-r--r--drivers/pci/pcie_layerscape.h44
1 files changed, 36 insertions, 8 deletions
diff --git a/drivers/pci/pcie_layerscape.h b/drivers/pci/pcie_layerscape.h
index 95454bc188..217dcda6d1 100644
--- a/drivers/pci/pcie_layerscape.h
+++ b/drivers/pci/pcie_layerscape.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
- * Copyright 2017-2019 NXP
+ * Copyright 2017-2020 NXP
* Copyright 2014-2015 Freescale Semiconductor, Inc.
* Layerscape PCIe driver
*/
@@ -60,7 +60,8 @@
/* DBI registers */
#define PCIE_SRIOV 0x178
#define PCIE_STRFMR1 0x71c /* Symbol Timer & Filter Mask Register1 */
-#define PCIE_DBI_RO_WR_EN 0x8bc
+#define PCIE_DBI_RO_WR_EN BIT(0)
+#define PCIE_MISC_CONTROL_1_OFF 0x8BC
#define PCIE_LINK_CAP 0x7c
#define PCIE_LINK_SPEED_MASK 0xf
@@ -82,7 +83,7 @@
PCIE_LCTRL0_CFG2_ENABLE)
#define PCIE_NO_SRIOV_BAR_BASE 0x1000
-
+#define FSL_PCIE_EP_MIN_APERTURE 4096 /* 4 Kbytes */
#define PCIE_PF_NUM 2
#define PCIE_VF_NUM 64
@@ -129,25 +130,52 @@
#define LS1021_LTSSM_STATE_SHIFT 20
struct ls_pcie {
+ void __iomem *dbi;
+ void __iomem *lut;
+ void __iomem *ctrl;
int idx;
+ bool big_endian;
+ int mode;
+};
+
+struct ls_pcie_rc {
+ struct ls_pcie *pcie;
struct list_head list;
struct udevice *bus;
struct fdt_resource dbi_res;
struct fdt_resource lut_res;
struct fdt_resource ctrl_res;
struct fdt_resource cfg_res;
- void __iomem *dbi;
- void __iomem *lut;
- void __iomem *ctrl;
void __iomem *cfg0;
void __iomem *cfg1;
- bool big_endian;
bool enabled;
int next_lut_index;
int stream_id_cur;
- int mode;
+};
+
+struct ls_pcie_ep {
+ struct fdt_resource addr_res;
+ struct ls_pcie *pcie;
+ struct udevice *bus;
+ void __iomem *addr;
+ u32 num_ib_wins;
+ u32 num_ob_wins;
+ u8 max_functions;
};
extern struct list_head ls_pcie_list;
+unsigned int dbi_readl(struct ls_pcie *pcie, unsigned int offset);
+void dbi_writel(struct ls_pcie *pcie, unsigned int value, unsigned int offset);
+unsigned int ctrl_readl(struct ls_pcie *pcie, unsigned int offset);
+void ctrl_writel(struct ls_pcie *pcie, unsigned int value, unsigned int offset);
+void ls_pcie_atu_outbound_set(struct ls_pcie *pcie, int idx, int type,
+ u64 phys, u64 bus_addr, pci_size_t size);
+void ls_pcie_atu_inbound_set(struct ls_pcie *pcie, int idx, int type,
+ int bar, u64 phys);
+void ls_pcie_dump_atu(struct ls_pcie *pcie);
+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);
+
#endif /* _PCIE_LAYERSCAPE_H_ */