| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright 2007,2009-2012 Freescale Semiconductor, Inc. |
| */ |
| |
| #ifndef __FSL_PCI_H_ |
| #define __FSL_PCI_H_ |
| |
| #include <asm/fsl_law.h> |
| #include <asm/fsl_serdes.h> |
| #include <pci.h> |
| |
| #define PEX_IP_BLK_REV_2_2 0x02080202 |
| #define PEX_IP_BLK_REV_2_3 0x02080203 |
| #define PEX_IP_BLK_REV_3_0 0x02080300 |
| |
| /* Freescale-specific PCI config registers */ |
| #define FSL_PCI_PBFR 0x44 |
| |
| #define FSL_PCIE_CFG_RDY 0x4b0 |
| #define FSL_PCIE_V3_CFG_RDY 0x1 |
| #define FSL_PROG_IF_AGENT 0x1 |
| |
| #define PCI_LTSSM 0x404 /* PCIe Link Training, Status State Machine */ |
| #define PCI_LTSSM_L0 0x16 /* L0 state */ |
| |
| int fsl_setup_hose(struct pci_controller *hose, unsigned long addr); |
| int fsl_is_pci_agent(struct pci_controller *hose); |
| void fsl_pci_config_unlock(struct pci_controller *hose); |
| void ft_fsl_pci_setup(void *blob, const char *compat, unsigned long ctrl_addr); |
| |
| /* |
| * Common PCI/PCIE Register structure for mpc85xx |
| */ |
| |
| /* |
| * PCI Translation Registers |
| */ |
| typedef struct pci_outbound_window { |
| u32 potar; /* 0x00 - Address */ |
| u32 potear; /* 0x04 - Address Extended */ |
| u32 powbar; /* 0x08 - Window Base Address */ |
| u32 res1; |
| u32 powar; /* 0x10 - Window Attributes */ |
| #define POWAR_EN 0x80000000 |
| #define POWAR_IO_READ 0x00080000 |
| #define POWAR_MEM_READ 0x00040000 |
| #define POWAR_IO_WRITE 0x00008000 |
| #define POWAR_MEM_WRITE 0x00004000 |
| u32 res2[3]; |
| } pot_t; |
| |
| typedef struct pci_inbound_window { |
| u32 pitar; /* 0x00 - Address */ |
| u32 res1; |
| u32 piwbar; /* 0x08 - Window Base Address */ |
| u32 piwbear; /* 0x0c - Window Base Address Extended */ |
| u32 piwar; /* 0x10 - Window Attributes */ |
| #define PIWAR_EN 0x80000000 |
| #define PIWAR_PF 0x20000000 |
| #define PIWAR_LOCAL 0x00f00000 |
| #define PIWAR_READ_SNOOP 0x00050000 |
| #define PIWAR_WRITE_SNOOP 0x00005000 |
| u32 res2[3]; |
| } pit_t; |
| |
| /* PCI/PCI Express Registers */ |
| typedef struct ccsr_pci { |
| u32 cfg_addr; /* 0x000 - PCI Configuration Address Register */ |
| u32 cfg_data; /* 0x004 - PCI Configuration Data Register */ |
| u32 int_ack; /* 0x008 - PCI Interrupt Acknowledge Register */ |
| u32 out_comp_to; /* 0x00C - PCI Outbound Completion Timeout Register */ |
| u32 out_conf_to; /* 0x010 - PCI Configuration Timeout Register */ |
| u32 config; /* 0x014 - PCIE CONFIG Register */ |
| u32 int_status; /* 0x018 - PCIE interrupt status register */ |
| char res2[4]; |
| u32 pme_msg_det; /* 0x020 - PCIE PME & message detect register */ |
| u32 pme_msg_dis; /* 0x024 - PCIE PME & message disable register */ |
| u32 pme_msg_int_en; /* 0x028 - PCIE PME & message interrupt enable register */ |
| u32 pm_command; /* 0x02c - PCIE PM Command register */ |
| char res3[2188]; /* (0x8bc - 0x30 = 2188) */ |
| u32 dbi_ro_wr_en; /* 0x8bc - DBI read only write enable reg */ |
| char res4[824]; /* (0xbf8 - 0x8c0 = 824) */ |
| u32 block_rev1; /* 0xbf8 - PCIE Block Revision register 1 */ |
| u32 block_rev2; /* 0xbfc - PCIE Block Revision register 2 */ |
| |
| pot_t pot[5]; /* 0xc00 - 0xc9f Outbound ATMU's 0, 1, 2, 3, and 4 */ |
| u32 res5[24]; |
| pit_t pmit; /* 0xd00 - 0xd9c Inbound ATMU's MSI */ |
| u32 res6[24]; |
| pit_t pit[4]; /* 0xd80 - 0xdff Inbound ATMU's 3, 2, 1 and 0 */ |
| |
| #define PIT3 0 |
| #define PIT2 1 |
| #define PIT1 2 |
| |
| #if 0 |
| u32 potar0; /* 0xc00 - PCI Outbound Transaction Address Register 0 */ |
| u32 potear0; /* 0xc04 - PCI Outbound Translation Extended Address Register 0 */ |
| char res5[8]; |
| u32 powar0; /* 0xc10 - PCI Outbound Window Attributes Register 0 */ |
| char res6[12]; |
| u32 potar1; /* 0xc20 - PCI Outbound Transaction Address Register 1 */ |
| u32 potear1; /* 0xc24 - PCI Outbound Translation Extended Address Register 1 */ |
| u32 powbar1; /* 0xc28 - PCI Outbound Window Base Address Register 1 */ |
| char res7[4]; |
| u32 powar1; /* 0xc30 - PCI Outbound Window Attributes Register 1 */ |
| char res8[12]; |
| u32 potar2; /* 0xc40 - PCI Outbound Transaction Address Register 2 */ |
| u32 potear2; /* 0xc44 - PCI Outbound Translation Extended Address Register 2 */ |
| u32 powbar2; /* 0xc48 - PCI Outbound Window Base Address Register 2 */ |
| char res9[4]; |
| u32 powar2; /* 0xc50 - PCI Outbound Window Attributes Register 2 */ |
| char res10[12]; |
| u32 potar3; /* 0xc60 - PCI Outbound Transaction Address Register 3 */ |
| u32 potear3; /* 0xc64 - PCI Outbound Translation Extended Address Register 3 */ |
| u32 powbar3; /* 0xc68 - PCI Outbound Window Base Address Register 3 */ |
| char res11[4]; |
| u32 powar3; /* 0xc70 - PCI Outbound Window Attributes Register 3 */ |
| char res12[12]; |
| u32 potar4; /* 0xc80 - PCI Outbound Transaction Address Register 4 */ |
| u32 potear4; /* 0xc84 - PCI Outbound Translation Extended Address Register 4 */ |
| u32 powbar4; /* 0xc88 - PCI Outbound Window Base Address Register 4 */ |
| char res13[4]; |
| u32 powar4; /* 0xc90 - PCI Outbound Window Attributes Register 4 */ |
| char res14[268]; |
| u32 pitar3; /* 0xda0 - PCI Inbound Translation Address Register 3 */ |
| char res15[4]; |
| u32 piwbar3; /* 0xda8 - PCI Inbound Window Base Address Register 3 */ |
| u32 piwbear3; /* 0xdac - PCI Inbound Window Base Extended Address Register 3 */ |
| u32 piwar3; /* 0xdb0 - PCI Inbound Window Attributes Register 3 */ |
| char res16[12]; |
| u32 pitar2; /* 0xdc0 - PCI Inbound Translation Address Register 2 */ |
| char res17[4]; |
| u32 piwbar2; /* 0xdc8 - PCI Inbound Window Base Address Register 2 */ |
| u32 piwbear2; /* 0xdcc - PCI Inbound Window Base Extended Address Register 2 */ |
| u32 piwar2; /* 0xdd0 - PCI Inbound Window Attributes Register 2 */ |
| char res18[12]; |
| u32 pitar1; /* 0xde0 - PCI Inbound Translation Address Register 1 */ |
| char res19[4]; |
| u32 piwbar1; /* 0xde8 - PCI Inbound Window Base Address Register 1 */ |
| char res20[4]; |
| u32 piwar1; /* 0xdf0 - PCI Inbound Window Attributes Register 1 */ |
| char res21[12]; |
| #endif |
| u32 pedr; /* 0xe00 - PCI Error Detect Register */ |
| u32 pecdr; /* 0xe04 - PCI Error Capture Disable Register */ |
| u32 peer; /* 0xe08 - PCI Error Interrupt Enable Register */ |
| u32 peattrcr; /* 0xe0c - PCI Error Attributes Capture Register */ |
| u32 peaddrcr; /* 0xe10 - PCI Error Address Capture Register */ |
| /* u32 perr_disr * 0xe10 - PCIE Erorr Disable Register */ |
| u32 peextaddrcr; /* 0xe14 - PCI Error Extended Address Capture Register */ |
| u32 pedlcr; /* 0xe18 - PCI Error Data Low Capture Register */ |
| u32 pedhcr; /* 0xe1c - PCI Error Error Data High Capture Register */ |
| u32 gas_timr; /* 0xe20 - PCI Gasket Timer Register */ |
| /* u32 perr_cap_stat; * 0xe20 - PCIE Error Capture Status Register */ |
| char res22[4]; |
| u32 perr_cap0; /* 0xe28 - PCIE Error Capture Register 0 */ |
| u32 perr_cap1; /* 0xe2c - PCIE Error Capture Register 1 */ |
| u32 perr_cap2; /* 0xe30 - PCIE Error Capture Register 2 */ |
| u32 perr_cap3; /* 0xe34 - PCIE Error Capture Register 3 */ |
| char res23[200]; |
| u32 pdb_stat; /* 0xf00 - PCIE Debug Status */ |
| char res24[16]; |
| u32 pex_csr0; /* 0xf14 - PEX Control/Status register 0*/ |
| u32 pex_csr1; /* 0xf18 - PEX Control/Status register 1*/ |
| char res25[228]; |
| } ccsr_fsl_pci_t; |
| #define PCIE_CONFIG_PC 0x00020000 |
| #define PCIE_CONFIG_OB_CK 0x00002000 |
| #define PCIE_CONFIG_SAC 0x00000010 |
| #define PCIE_CONFIG_SP 0x80000002 |
| #define PCIE_CONFIG_SCC 0x80000001 |
| |
| struct fsl_pci_info { |
| unsigned long regs; |
| pci_addr_t mem_bus; |
| phys_size_t mem_phys; |
| pci_size_t mem_size; |
| pci_addr_t io_bus; |
| phys_size_t io_phys; |
| pci_size_t io_size; |
| enum law_trgt_if law; |
| int pci_num; |
| }; |
| |
| void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info); |
| int fsl_pci_init_port(struct fsl_pci_info *pci_info, |
| struct pci_controller *hose, int busno); |
| int fsl_pcie_init_ctrl(int busno, u32 devdisr, enum srds_prtcl dev, |
| struct fsl_pci_info *pci_info); |
| int fsl_pcie_init_board(int busno); |
| |
| #define SET_STD_PCI_INFO(x, num) \ |
| { \ |
| x.regs = CFG_SYS_PCI##num##_ADDR; \ |
| x.mem_bus = CFG_SYS_PCI##num##_MEM_BUS; \ |
| x.mem_phys = CFG_SYS_PCI##num##_MEM_PHYS; \ |
| x.mem_size = CFG_SYS_PCI##num##_MEM_SIZE; \ |
| x.io_bus = CFG_SYS_PCI##num##_IO_BUS; \ |
| x.io_phys = CFG_SYS_PCI##num##_IO_PHYS; \ |
| x.io_size = CFG_SYS_PCI##num##_IO_SIZE; \ |
| x.law = LAW_TRGT_IF_PCI_##num; \ |
| x.pci_num = num; \ |
| } |
| |
| #define SET_STD_PCIE_INFO(x, num) \ |
| { \ |
| x.regs = CFG_SYS_PCIE##num##_ADDR; \ |
| x.mem_bus = CFG_SYS_PCIE##num##_MEM_BUS; \ |
| x.mem_phys = CFG_SYS_PCIE##num##_MEM_PHYS; \ |
| x.mem_size = CFG_SYS_PCIE##num##_MEM_SIZE; \ |
| x.io_bus = CFG_SYS_PCIE##num##_IO_BUS; \ |
| x.io_phys = CFG_SYS_PCIE##num##_IO_PHYS; \ |
| x.io_size = CFG_SYS_PCIE##num##_IO_SIZE; \ |
| x.law = LAW_TRGT_IF_PCIE_##num; \ |
| x.pci_num = num; \ |
| } |
| |
| #define __FT_FSL_PCI_SETUP(blob, compat, num) \ |
| ft_fsl_pci_setup(blob, compat, CFG_SYS_PCI##num##_ADDR) |
| |
| #define __FT_FSL_PCIE_SETUP(blob, compat, num) \ |
| ft_fsl_pci_setup(blob, compat, CFG_SYS_PCIE##num##_ADDR) |
| |
| #define FT_FSL_PCI1_SETUP __FT_FSL_PCI_SETUP(blob, FSL_PCI_COMPAT, 1) |
| #define FT_FSL_PCI2_SETUP __FT_FSL_PCI_SETUP(blob, FSL_PCI_COMPAT, 2) |
| |
| #define FT_FSL_PCIE1_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 1) |
| #define FT_FSL_PCIE2_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 2) |
| #define FT_FSL_PCIE3_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 3) |
| #define FT_FSL_PCIE4_SETUP __FT_FSL_PCIE_SETUP(blob, FSL_PCIE_COMPAT, 4) |
| |
| #if !defined(CONFIG_PCI) |
| #define FT_FSL_PCI_SETUP |
| #elif defined(CONFIG_FSL_CORENET) |
| #define FSL_PCIE_COMPAT CONFIG_SYS_FSL_PCIE_COMPAT |
| #define FT_FSL_PCI_SETUP \ |
| FT_FSL_PCIE1_SETUP; \ |
| FT_FSL_PCIE2_SETUP; \ |
| FT_FSL_PCIE3_SETUP; \ |
| FT_FSL_PCIE4_SETUP; |
| #define FT_FSL_PCIE_SETUP FT_FSL_PCI_SETUP |
| #elif defined(CONFIG_MPC85xx) |
| #define FSL_PCI_COMPAT "fsl,mpc8540-pci" |
| #ifdef CONFIG_SYS_FSL_PCIE_COMPAT |
| #define FSL_PCIE_COMPAT CONFIG_SYS_FSL_PCIE_COMPAT |
| #else |
| #define FSL_PCIE_COMPAT "fsl,mpc8548-pcie" |
| #endif |
| #define FT_FSL_PCI_SETUP \ |
| FT_FSL_PCI1_SETUP; \ |
| FT_FSL_PCI2_SETUP; \ |
| FT_FSL_PCIE1_SETUP; \ |
| FT_FSL_PCIE2_SETUP; \ |
| FT_FSL_PCIE3_SETUP; |
| #define FT_FSL_PCIE_SETUP \ |
| FT_FSL_PCIE1_SETUP; \ |
| FT_FSL_PCIE2_SETUP; \ |
| FT_FSL_PCIE3_SETUP; |
| #elif defined(CONFIG_MPC86xx) |
| #define FSL_PCI_COMPAT "fsl,mpc8610-pci" |
| #define FSL_PCIE_COMPAT "fsl,mpc8641-pcie" |
| #define FT_FSL_PCI_SETUP \ |
| FT_FSL_PCI1_SETUP; \ |
| FT_FSL_PCIE1_SETUP; \ |
| FT_FSL_PCIE2_SETUP; |
| #else |
| #error FT_FSL_PCI_SETUP not defined |
| #endif |
| |
| #endif |