/* * Common routines for the Motorola SPS MPC106/8240/107 Host bridge/Mem * ctlr/EPIC/etc. * * Author: Mark A. Greer * mgreer@mvista.com * * 2001 (c) MontaVista, Software, Inc. This file is licensed under * the terms of the GNU General Public License version 2. This program * is licensed "as is" without any warranty of any kind, whether express * or implied. */ #ifndef __PPC_KERNEL_MPC10X_H #define __PPC_KERNEL_MPC10X_H #include <linux/pci_ids.h> #include <asm/pci-bridge.h> /* * The values here don't completely map everything but should work in most * cases. * * MAP A (PReP Map) * Processor: 0x80000000 - 0x807fffff -> PCI I/O: 0x00000000 - 0x007fffff * Processor: 0xc0000000 - 0xdfffffff -> PCI MEM: 0x00000000 - 0x1fffffff * PCI MEM: 0x80000000 -> Processor System Memory: 0x00000000 * EUMB mapped to: ioremap_base - 0x00100000 (ioremap_base - 1 MB) * * MAP B (CHRP Map) * Processor: 0xfe000000 - 0xfebfffff -> PCI I/O: 0x00000000 - 0x00bfffff * Processor: 0x80000000 - 0xbfffffff -> PCI MEM: 0x80000000 - 0xbfffffff * PCI MEM: 0x00000000 -> Processor System Memory: 0x00000000 * EUMB mapped to: ioremap_base - 0x00100000 (ioremap_base - 1 MB) */ /* * Define the vendor/device IDs for the various bridges--should be added to * <linux/pci_ids.h> */ #define MPC10X_BRIDGE_106 ((PCI_DEVICE_ID_MOTOROLA_MPC106 << 16) | \ PCI_VENDOR_ID_MOTOROLA) #define MPC10X_BRIDGE_8240 ((0x0003 << 16) | PCI_VENDOR_ID_MOTOROLA) #define MPC10X_BRIDGE_107 ((0x0004 << 16) | PCI_VENDOR_ID_MOTOROLA) #define MPC10X_BRIDGE_8245 ((0x0006 << 16) | PCI_VENDOR_ID_MOTOROLA) /* Define the type of map to use */ #define MPC10X_MEM_MAP_A 1 #define MPC10X_MEM_MAP_B 2 /* Map A (PReP Map) Defines */ #define MPC10X_MAPA_CNFG_ADDR 0x80000cf8 #define MPC10X_MAPA_CNFG_DATA 0x80000cfc #define MPC10X_MAPA_ISA_IO_BASE 0x80000000 #define MPC10X_MAPA_ISA_MEM_BASE 0xc0000000 #define MPC10X_MAPA_DRAM_OFFSET 0x80000000 #define MPC10X_MAPA_PCI_INTACK_ADDR 0xbffffff0 #define MPC10X_MAPA_PCI_IO_START 0x00000000 #define MPC10X_MAPA_PCI_IO_END (0x00800000 - 1) #define MPC10X_MAPA_PCI_MEM_START 0x00000000 #define MPC10X_MAPA_PCI_MEM_END (0x20000000 - 1) #define MPC10X_MAPA_PCI_MEM_OFFSET (MPC10X_MAPA_ISA_MEM_BASE - \ MPC10X_MAPA_PCI_MEM_START) /* Map B (CHRP Map) Defines */ #define MPC10X_MAPB_CNFG_ADDR 0xfec00000 #define MPC10X_MAPB_CNFG_DATA 0xfee00000 #define MPC10X_MAPB_ISA_IO_BASE 0xfe000000 #define MPC10X_MAPB_ISA_MEM_BASE 0x80000000 #define MPC10X_MAPB_DRAM_OFFSET 0x00000000 #define MPC10X_MAPB_PCI_INTACK_ADDR 0xfef00000 #define MPC10X_MAPB_PCI_IO_START 0x00000000 #define MPC10X_MAPB_PCI_IO_END (0x00c00000 - 1) #define MPC10X_MAPB_PCI_MEM_START 0x80000000 #define MPC10X_MAPB_PCI_MEM_END (0xc0000000 - 1) #define MPC10X_MAPB_PCI_MEM_OFFSET (MPC10X_MAPB_ISA_MEM_BASE - \ MPC10X_MAPB_PCI_MEM_START) /* Set hose members to values appropriate for the mem map used */ #define MPC10X_SETUP_HOSE(hose, map) { \ (hose)->pci_mem_offset = MPC10X_MAP##map##_PCI_MEM_OFFSET; \ (hose)->io_space.start = MPC10X_MAP##map##_PCI_IO_START; \ (hose)->io_space.end = MPC10X_MAP##map##_PCI_IO_END; \ (hose)->mem_space.start = MPC10X_MAP##map##_PCI_MEM_START; \ (hose)->mem_space.end = MPC10X_MAP##map##_PCI_MEM_END; \ (hose)->io_base_virt = (void *)MPC10X_MAP##map##_ISA_IO_BASE; \ } /* Miscellaneous Configuration register offsets */ #define MPC10X_CFG_PIR_REG 0x09 #define MPC10X_CFG_PIR_HOST_BRIDGE 0x00 #define MPC10X_CFG_PIR_AGENT 0x01 #define MPC10X_CFG_EUMBBAR 0x78 #define MPC10X_CFG_PICR1_REG 0xa8 #define MPC10X_CFG_PICR1_ADDR_MAP_MASK 0x00010000 #define MPC10X_CFG_PICR1_ADDR_MAP_A 0x00010000 #define MPC10X_CFG_PICR1_ADDR_MAP_B 0x00000000 #define MPC10X_CFG_PICR1_SPEC_PCI_RD 0x00000004 #define MPC10X_CFG_PICR1_ST_GATH_EN 0x00000040 #define MPC10X_CFG_PICR2_REG 0xac #define MPC10X_CFG_PICR2_COPYBACK_OPT 0x00000001 #define MPC10X_CFG_MAPB_OPTIONS_REG 0xe0 #define MPC10X_CFG_MAPB_OPTIONS_CFAE 0x80 /* CPU_FD_ALIAS_EN */ #define MPC10X_CFG_MAPB_OPTIONS_PFAE 0x40 /* PCI_FD_ALIAS_EN */ #define MPC10X_CFG_MAPB_OPTIONS_DR 0x20 /* DLL_RESET */ #define MPC10X_CFG_MAPB_OPTIONS_PCICH 0x08 /* PCI_COMPATIBILITY_HOLE */ #define MPC10X_CFG_MAPB_OPTIONS_PROCCH 0x04 /* PROC_COMPATIBILITY_HOLE */ /* Define offsets for the memory controller registers in the config space */ #define MPC10X_MCTLR_MEM_START_1 0x80 /* Banks 0-3 */ #define MPC10X_MCTLR_MEM_START_2 0x84 /* Banks 4-7 */ #define MPC10X_MCTLR_EXT_MEM_START_1 0x88 /* Banks 0-3 */ #define MPC10X_MCTLR_EXT_MEM_START_2 0x8c /* Banks 4-7 */ #define MPC10X_MCTLR_MEM_END_1 0x90 /* Banks 0-3 */ #define MPC10X_MCTLR_MEM_END_2 0x94 /* Banks 4-7 */ #define MPC10X_MCTLR_EXT_MEM_END_1 0x98 /* Banks 0-3 */ #define MPC10X_MCTLR_EXT_MEM_END_2 0x9c /* Banks 4-7 */ #define MPC10X_MCTLR_MEM_BANK_ENABLES 0xa0 /* Define some offset in the EUMB */ #define MPC10X_EUMB_SIZE 0x00100000 /* Total EUMB size (1MB) */ #define MPC10X_EUMB_MU_OFFSET 0x00000000 /* Msg Unit reg offset */ #define MPC10X_EUMB_MU_SIZE 0x00001000 /* Msg Unit reg size */ #define MPC10X_EUMB_DMA_OFFSET 0x00001000 /* DMA Unit reg offset */ #define MPC10X_EUMB_DMA_SIZE 0x00001000 /* DMA Unit reg size */ #define MPC10X_EUMB_ATU_OFFSET 0x00002000 /* Addr xlate reg offset */ #define MPC10X_EUMB_ATU_SIZE 0x00001000 /* Addr xlate reg size */ #define MPC10X_EUMB_I2C_OFFSET 0x00003000 /* I2C Unit reg offset */ #define MPC10X_EUMB_I2C_SIZE 0x00001000 /* I2C Unit reg size */ #define MPC10X_EUMB_DUART_OFFSET 0x00004000 /* DUART Unit reg offset (8245) */ #define MPC10X_EUMB_DUART_SIZE 0x00001000 /* DUART Unit reg size (8245) */ #define MPC10X_EUMB_EPIC_OFFSET 0x00040000 /* EPIC offset in EUMB */ #define MPC10X_EUMB_EPIC_SIZE 0x00030000 /* EPIC size */ #define MPC10X_EUMB_PM_OFFSET 0x000fe000 /* Performance Monitor reg offset (8245) */ #define MPC10X_EUMB_PM_SIZE 0x00001000 /* Performance Monitor reg size (8245) */ #define MPC10X_EUMB_WP_OFFSET 0x000ff000 /* Data path diagnostic, watchpoint reg offset */ #define MPC10X_EUMB_WP_SIZE 0x00001000 /* Data path diagnostic, watchpoint reg size */ /* * Define some recommended places to put the EUMB regs. * For both maps, recommend putting the EUMB from 0xeff00000 to 0xefffffff. */ extern unsigned long ioremap_base; #define MPC10X_MAPA_EUMB_BASE (ioremap_base - MPC10X_EUMB_SIZE) #define MPC10X_MAPB_EUMB_BASE MPC10X_MAPA_EUMB_BASE enum ppc_sys_devices { MPC10X_IIC1, MPC10X_DMA0, MPC10X_DMA1, MPC10X_UART0, MPC10X_UART1, NUM_PPC_SYS_DEVS, }; int mpc10x_bridge_init(struct pci_controller *hose, uint current_map, uint new_map, uint phys_eumb_base); unsigned long mpc10x_get_mem_size(uint mem_map); int mpc10x_enable_store_gathering(struct pci_controller *hose); int mpc10x_disable_store_gathering(struct pci_controller *hose); /* For MPC107 boards that use the built-in openpic */ void mpc10x_set_openpic(void); #endif /* __PPC_KERNEL_MPC10X_H */