| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright 2017 NXP |
| * Copyright 2014-2015 Freescale Semiconductor, Inc. |
| * Layerscape PCIe driver |
| */ |
| |
| #ifndef _PCIE_LAYERSCAPE_H_ |
| #define _PCIE_LAYERSCAPE_H_ |
| #include <pci.h> |
| #include <dm.h> |
| |
| #ifndef CONFIG_SYS_PCI_MEMORY_BUS |
| #define CONFIG_SYS_PCI_MEMORY_BUS CONFIG_SYS_SDRAM_BASE |
| #endif |
| |
| #ifndef CONFIG_SYS_PCI_MEMORY_PHYS |
| #define CONFIG_SYS_PCI_MEMORY_PHYS CONFIG_SYS_SDRAM_BASE |
| #endif |
| |
| #ifndef CONFIG_SYS_PCI_MEMORY_SIZE |
| #define CONFIG_SYS_PCI_MEMORY_SIZE (2 * 1024 * 1024 * 1024UL) /* 2G */ |
| #endif |
| |
| #ifndef CONFIG_SYS_PCI_EP_MEMORY_BASE |
| #define CONFIG_SYS_PCI_EP_MEMORY_BASE CONFIG_SYS_LOAD_ADDR |
| #endif |
| |
| #define PCIE_PHYS_SIZE 0x200000000 |
| #define LS2088A_PCIE_PHYS_SIZE 0x800000000 |
| #define LS2088A_PCIE1_PHYS_ADDR 0x2000000000 |
| |
| /* iATU registers */ |
| #define PCIE_ATU_VIEWPORT 0x900 |
| #define PCIE_ATU_REGION_INBOUND (0x1 << 31) |
| #define PCIE_ATU_REGION_OUTBOUND (0x0 << 31) |
| #define PCIE_ATU_REGION_INDEX0 (0x0 << 0) |
| #define PCIE_ATU_REGION_INDEX1 (0x1 << 0) |
| #define PCIE_ATU_REGION_INDEX2 (0x2 << 0) |
| #define PCIE_ATU_REGION_INDEX3 (0x3 << 0) |
| #define PCIE_ATU_REGION_NUM 6 |
| #define PCIE_ATU_CR1 0x904 |
| #define PCIE_ATU_TYPE_MEM (0x0 << 0) |
| #define PCIE_ATU_TYPE_IO (0x2 << 0) |
| #define PCIE_ATU_TYPE_CFG0 (0x4 << 0) |
| #define PCIE_ATU_TYPE_CFG1 (0x5 << 0) |
| #define PCIE_ATU_CR2 0x908 |
| #define PCIE_ATU_ENABLE (0x1 << 31) |
| #define PCIE_ATU_BAR_MODE_ENABLE (0x1 << 30) |
| #define PCIE_ATU_BAR_NUM(bar) ((bar) << 8) |
| #define PCIE_ATU_LOWER_BASE 0x90C |
| #define PCIE_ATU_UPPER_BASE 0x910 |
| #define PCIE_ATU_LIMIT 0x914 |
| #define PCIE_ATU_LOWER_TARGET 0x918 |
| #define PCIE_ATU_BUS(x) (((x) & 0xff) << 24) |
| #define PCIE_ATU_DEV(x) (((x) & 0x1f) << 19) |
| #define PCIE_ATU_FUNC(x) (((x) & 0x7) << 16) |
| #define PCIE_ATU_UPPER_TARGET 0x91C |
| |
| /* DBI registers */ |
| #define PCIE_SRIOV 0x178 |
| #define PCIE_STRFMR1 0x71c /* Symbol Timer & Filter Mask Register1 */ |
| #define PCIE_DBI_RO_WR_EN 0x8bc |
| |
| #define PCIE_LINK_CAP 0x7c |
| #define PCIE_LINK_SPEED_MASK 0xf |
| #define PCIE_LINK_WIDTH_MASK 0x3f0 |
| #define PCIE_LINK_STA 0x82 |
| |
| #define LTSSM_STATE_MASK 0x3f |
| #define LTSSM_PCIE_L0 0x11 /* L0 state */ |
| |
| #define PCIE_DBI_SIZE 0x100000 /* 1M */ |
| |
| #define PCIE_LCTRL0_CFG2_ENABLE (1 << 31) |
| #define PCIE_LCTRL0_VF(vf) ((vf) << 22) |
| #define PCIE_LCTRL0_PF(pf) ((pf) << 16) |
| #define PCIE_LCTRL0_VF_ACTIVE (1 << 21) |
| #define PCIE_LCTRL0_VAL(pf, vf) (PCIE_LCTRL0_PF(pf) | \ |
| PCIE_LCTRL0_VF(vf) | \ |
| ((vf) == 0 ? 0 : PCIE_LCTRL0_VF_ACTIVE) | \ |
| PCIE_LCTRL0_CFG2_ENABLE) |
| |
| #define PCIE_NO_SRIOV_BAR_BASE 0x1000 |
| |
| #define PCIE_PF_NUM 2 |
| #define PCIE_VF_NUM 64 |
| |
| #define PCIE_BAR0_SIZE (4 * 1024) /* 4K */ |
| #define PCIE_BAR1_SIZE (8 * 1024) /* 8K for MSIX */ |
| #define PCIE_BAR2_SIZE (4 * 1024) /* 4K */ |
| #define PCIE_BAR4_SIZE (1 * 1024 * 1024) /* 1M */ |
| |
| /* LUT registers */ |
| #define PCIE_LUT_UDR(n) (0x800 + (n) * 8) |
| #define PCIE_LUT_LDR(n) (0x804 + (n) * 8) |
| #define PCIE_LUT_ENABLE (1 << 31) |
| #define PCIE_LUT_ENTRY_COUNT 32 |
| |
| /* PF Controll registers */ |
| #define PCIE_PF_CONFIG 0x14 |
| #define PCIE_PF_VF_CTRL 0x7F8 |
| #define PCIE_PF_DBG 0x7FC |
| #define PCIE_CONFIG_READY (1 << 0) |
| |
| #define PCIE_SRDS_PRTCL(idx) (PCIE1 + (idx)) |
| #define PCIE_SYS_BASE_ADDR 0x3400000 |
| #define PCIE_CCSR_SIZE 0x0100000 |
| |
| /* CS2 */ |
| #define PCIE_CS2_OFFSET 0x1000 /* For PCIe without SR-IOV */ |
| |
| #define SVR_LS102XA 0 |
| #define SVR_VAR_PER_SHIFT 8 |
| #define SVR_LS102XA_MASK 0x700 |
| #define SVR_LS2088A 0x870900 |
| #define SVR_LS2084A 0x870910 |
| #define SVR_LS2048A 0x870920 |
| #define SVR_LS2044A 0x870930 |
| #define SVR_LS2081A 0x870918 |
| #define SVR_LS2041A 0x870914 |
| |
| /* LS1021a PCIE space */ |
| #define LS1021_PCIE_SPACE_OFFSET 0x4000000000ULL |
| #define LS1021_PCIE_SPACE_SIZE 0x0800000000ULL |
| |
| /* LS1021a PEX1/2 Misc Ports Status Register */ |
| #define LS1021_PEXMSCPORTSR(pex_idx) (0x94 + (pex_idx) * 4) |
| #define LS1021_LTSSM_STATE_SHIFT 20 |
| |
| struct ls_pcie { |
| int idx; |
| 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 mode; |
| }; |
| |
| extern struct list_head ls_pcie_list; |
| |
| #endif /* _PCIE_LAYERSCAPE_H_ */ |