| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright 2019 NXP |
| * |
| * PCIe DM U-Boot driver for Freescale PowerPC SoCs |
| * Author: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> |
| */ |
| |
| #ifndef _PCIE_FSL_H_ |
| #define _PCIE_FSL_H_ |
| |
| /* GPEX CSR */ |
| #define CSR_CLASSCODE 0x474 |
| |
| #ifdef CONFIG_SYS_FSL_PCI_VER_3_X |
| #define FSL_PCIE_CAP_ID 0x70 |
| #else |
| #define FSL_PCIE_CAP_ID 0x4c |
| #endif |
| /* PCIe Device Control Register */ |
| #define PCI_DCR (FSL_PCIE_CAP_ID + 0x08) |
| /* PCIe Device Status Register */ |
| #define PCI_DSR (FSL_PCIE_CAP_ID + 0x0a) |
| /* PCIe Link Control Register */ |
| #define PCI_LCR (FSL_PCIE_CAP_ID + 0x10) |
| /* PCIe Link Status Register */ |
| #define PCI_LSR (FSL_PCIE_CAP_ID + 0x12) |
| |
| #define DBI_RO_WR_EN 0x8bc |
| |
| #ifndef CONFIG_SYS_PCI_MEMORY_BUS |
| #define CONFIG_SYS_PCI_MEMORY_BUS 0 |
| #endif |
| |
| #ifndef CONFIG_SYS_PCI_MEMORY_PHYS |
| #define CONFIG_SYS_PCI_MEMORY_PHYS 0 |
| #endif |
| |
| #if defined(CONFIG_SYS_PCI_64BIT) && !defined(CONFIG_SYS_PCI64_MEMORY_BUS) |
| #define CONFIG_SYS_PCI64_MEMORY_BUS (64ull * 1024 * 1024 * 1024) |
| #endif |
| |
| #define PEX_CSR0_LTSSM_MASK 0xFC |
| #define PEX_CSR0_LTSSM_SHIFT 2 |
| #define LTSSM_L0_REV3 0x11 |
| #define LTSSM_L0 0x16 |
| |
| struct fsl_pcie_data { |
| u32 block_offset; /* Offset from CCSR of 1st controller */ |
| u32 block_offset_mask; /* Mask out the CCSR base */ |
| u32 stride; /* Offset stride between controllers */ |
| }; |
| |
| struct fsl_pcie { |
| int idx; |
| struct udevice *bus; |
| void __iomem *regs; |
| u32 law_trgt_if; /* LAW target ID */ |
| u32 block_rev; /* IP block revision */ |
| bool mode; /* RC&EP mode flag */ |
| bool enabled; /* Enable status */ |
| struct list_head list; |
| struct fsl_pcie_data *info; |
| }; |
| |
| extern struct list_head fsl_pcie_list; |
| |
| #endif /* _PCIE_FSL_H_ */ |