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#ifndef CYGONCE_PLF_IO_H #define CYGONCE_PLF_IO_H //============================================================================= // // plf_io.h // // Platform specific IO support // //============================================================================= //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later version. // // eCos is distributed in the hope that it will be useful, but WITHOUT ANY // WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License along // with eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //============================================================================= //#####DESCRIPTIONBEGIN#### // // Author(s): dmoseley // Contributors: dmoseley // Date: 2000-06-06 // Purpose: Atlas platform IO support // Description: // Usage: #include <cyg/hal/plf_io.h> // //####DESCRIPTIONEND#### // //============================================================================= #include <pkgconf/hal.h> #include <cyg/hal/hal_misc.h> #ifdef __ASSEMBLER__ #define HAL_REG(x) x #else #define HAL_REG(x) (volatile CYG_WORD *)(x) #endif //----------------------------------------------------------------------------- /* Atlas Memory Definitions */ #define HAL_ATLAS_RAM_BASE 0x00000000 #define HAL_ATLAS_PCI_MEM0_BASE 0x08000000 #define HAL_ATLAS_PCI_MEM0_SIZE 0x08000000 // 128 MB #define HAL_ATLAS_PCI_MEM1_BASE 0x10000000 #define HAL_ATLAS_PCI_MEM1_SIZE 0x08000000 // 128 MB #define HAL_ATLAS_PCI_IO_BASE 0x18000000 #define HAL_ATLAS_PCI_IO_SIZE 0x03E00000 // 62 MB #define HAL_ATLAS_CONTROLLER_BASE 0x1BE00000 #define HAL_ATLAS_CONTROLLER_BASE_ISD_CONFIG (HAL_ATLAS_CONTROLLER_BASE >> 21) #define HAL_ATLAS_FLASH_BASE 0x1C000000 #define HAL_ATLAS_FLASH_SIZE SZ_32M #define HAL_ATLAS_MAX_BANKSIZE SZ_512M #define HAL_ATLAS_NULL_DEVNUM 0x0 #define HAL_ATLAS_SAA9730_DEVNUM 0x9800 #define HAL_ATLAS_MEMERROR 1 /* Atlas Registers */ #define HAL_ATLAS_REGISTER_BASE 0xBF000000 #define HAL_ATLAS_INTBASE HAL_ATLAS_REGISTER_BASE #define HAL_ATLAS_INTRAW_OFFSET 0x00000000 #define HAL_ATLAS_INTSETEN_OFFSET 0x00000008 #define HAL_ATLAS_INTRSTEN_OFFSET 0x00000010 #define HAL_ATLAS_INTENABLE_OFFSET 0x00000018 #define HAL_ATLAS_INTSTATUS_OFFSET 0x00000020 #define HAL_ATLAS_INTRAW HAL_REG(HAL_ATLAS_INTBASE + HAL_ATLAS_INTRAW_OFFSET) #define HAL_ATLAS_INTSETEN HAL_REG(HAL_ATLAS_INTBASE + HAL_ATLAS_INTSETEN_OFFSET) #define HAL_ATLAS_INTRSTEN HAL_REG(HAL_ATLAS_INTBASE + HAL_ATLAS_INTRSTEN_OFFSET) #define HAL_ATLAS_INTENABLE HAL_REG(HAL_ATLAS_INTBASE + HAL_ATLAS_INTENABLE_OFFSET) #define HAL_ATLAS_INTSTATUS HAL_REG(HAL_ATLAS_INTBASE + HAL_ATLAS_INTSTATUS_OFFSET) #define HAL_ATLAS_NMISTATUS_OFFSET 0x00000024 #define HAL_ATLAS_NMIACK_OFFSET 0x00000104 #define HAL_ATLAS_SOFTRES_OFFSET 0x00000500 #define HAL_ATLAS_BRKRES_OFFSET 0x00000508 #define HAL_ATLAS_REVISION_OFFSET 0x00C00010 #define HAL_ATLAS_NMISTATUS HAL_REG(HAL_ATLAS_REGISTER_BASE + HAL_ATLAS_NMISTATUS_OFFSET) #define HAL_ATLAS_NMIACK HAL_REG(HAL_ATLAS_REGISTER_BASE + HAL_ATLAS_NMIACK_OFFSET) #define HAL_ATLAS_SOFTRES HAL_REG(HAL_ATLAS_REGISTER_BASE + HAL_ATLAS_SOFTRES_OFFSET) #define HAL_ATLAS_BRKRES HAL_REG(HAL_ATLAS_REGISTER_BASE + HAL_ATLAS_BRKRES_OFFSET) #define HAL_ATLAS_REVISION HAL_REG(HAL_ATLAS_REGISTER_BASE + HAL_ATLAS_REVISION_OFFSET) /* Atlas NMI controller fields */ #define HAL_ATLAS_NMISTATUS_FLAG 0x00000001 #define HAL_ATLAS_NMIACK_FLAG 0x00000001 /* Atlas softreset fields */ #define HAL_ATLAS_GORESET 0x42 /* Atlas brkreset fields */ #define HAL_ATLAS_BRKRES_DEFAULT_VALUE 0xA /* Galileo Registers */ #define HAL_GALILEO_REGISTER_BASE 0xB4000000 #define HAL_GALILEO_PCI0_MEM0_BASE 0xB2000000 #define HAL_GALILEO_CPU_INTERFACE_CONFIG_OFFSET 0x0 #define HAL_GALILEO_INT_SPACE_DECODE_OFFSET 0x68 #define HAL_GALILEO_CS3_HIGH_DECODE_OFFSET 0x43c #define HAL_GALILEO_CSBOOT_LOW_DECODE_OFFSET 0x440 #define HAL_GALILEO_CSBOOT_HIGH_DECODE_OFFSET 0x444 /* Galileo CPU Interface config fields */ #define HAL_GALILEO_BYTE_SWAP (BIT16 | BIT0) #define HAL_GALILEO_CACHEOPMAP_MASK 0x000001FF #define HAL_GALILEO_CACHEPRES_MASK 0x00000200 #define HAL_GALILEO_WRITEMODE_MASK 0x00000800 #define HAL_GALILEO_ENDIAN_MASK 0x00001000 #define HAL_GALILEO_R5KL2_MASK 0x00004000 #define HAL_GALILEO_EXT_HIT_DELAY_MASK 0x00008000 #define HAL_GALILEO_CPU_WRITERATE_MASK 0x00010000 #define HAL_GALILEO_STOP_RETRY_MASK 0x00020000 #define HAL_GALILEO_MULTI_GT_MASK 0x00040000 #define HAL_GALILEO_SYSADCVALID_MASK 0x00080000 /* Galileo Memory Controller registers */ #define HAL_GALILEO_SDRAM_DUPLICATE_BANK_ADDR BIT20 #define HAL_GALILEO_SDRAM_BANK_INTERLEAVE_DIS BIT14 #define HAL_GALILEO_CPU_DECODE_SHIFT 21 #define HAL_GALILEO_DEV_DECODE_SHIFT 20 #define HAL_GALILEO_SDRAM_SRAS_TO_SCAS_DELAY_3C BIT10 #define HAL_GALILEO_SDRAM_WIDTH_64BIT BIT6 #define HAL_GALILEO_SDRAM_SRAS_PRECHARGE_3C BIT3 #define HAL_GALILEO_SDRAM_BANK0_CASLAT_2 BIT0 #define HAL_GALILEO_SDRAM_BANK0_SZ_64M BIT11 #define HAL_GALILEO_SDRAM_NUM_BANKS_4 BIT5 #define HAL_GALILEO_SDRAM_BANK0_PARITY BIT8 #define HAL_GALILEO_SDRAM_CFG_RAM_WIDTH BIT15 #define HAL_GALILEO_PCI0_CONFIG_ADDR_ConfigEn BIT31 #define HAL_GALILEO_PCI0_STATUS_COMMAND_REGNUM 0x04 #define HAL_GALILEO_PCI0_BIST_REGNUM 0x0C #define HAL_GALILEO_PCI0_SCS32_BASE_REGNUM 0x14 #define HAL_GALILEO_PCI0_CONFIG_MEMEn 0x2 #define HAL_GALILEO_PCI0_CONFIG_MasEn 0x4 #define HAL_GALILEO_PCI0_CONFIG_SErrEn 0x100 #define HAL_GALILEO_PCI0_LAT_TIMER_VAL 0x800 #define HAL_GALILEO_PCI0_TIMEOUT_RETRY_VALUE 0x00ffffff #define HAL_GALILEO_SDRAM_BANK0_OFFSET 0x44c #define HAL_GALILEO_SDRAM_BANK2_OFFSET 0x454 #define HAL_GALILEO_SDRAM_CONFIG_OFFSET 0x448 #define HAL_GALILEO_SCS10_LD_OFFSET 0x008 #define HAL_GALILEO_SCS10_HD_OFFSET 0x010 #define HAL_GALILEO_SCS32_LD_OFFSET 0x018 #define HAL_GALILEO_SCS32_HD_OFFSET 0x020 #define HAL_GALILEO_CS20_LD_OFFSET 0x028 #define HAL_GALILEO_CS20_HD_OFFSET 0x030 #define HAL_GALILEO_PCIIO_LD_OFFSET 0x048 #define HAL_GALILEO_PCIIO_HD_OFFSET 0x050 #define HAL_GALILEO_PCIMEM0_LD_OFFSET 0x058 #define HAL_GALILEO_PCIMEM0_HD_OFFSET 0x060 #define HAL_GALILEO_PCIMEM1_LD_OFFSET 0x080 #define HAL_GALILEO_PCIMEM1_HD_OFFSET 0x088 #define HAL_GALILEO_PCI1IO_LD_OFFSET 0x090 #define HAL_GALILEO_PCI1IO_HD_OFFSET 0x098 #define HAL_GALILEO_PCI1MEM0_LD_OFFSET 0x0a0 #define HAL_GALILEO_PCI1MEM0_HD_OFFSET 0x0a8 #define HAL_GALILEO_PCI1MEM1_LD_OFFSET 0x0b0 #define HAL_GALILEO_PCI1MEM1_HD_OFFSET 0x0b8 #define HAL_GALILEO_SCS0_LD_OFFSET 0x400 #define HAL_GALILEO_SCS0_HD_OFFSET 0x404 #define HAL_GALILEO_SCS1_LD_OFFSET 0x408 #define HAL_GALILEO_SCS1_HD_OFFSET 0x40c #define HAL_GALILEO_SCS2_LD_OFFSET 0x410 #define HAL_GALILEO_SCS2_HD_OFFSET 0x414 #define HAL_GALILEO_SCS3_LD_OFFSET 0x418 #define HAL_GALILEO_SCS3_HD_OFFSET 0x41c #define HAL_GALILEO_CS0_LD_OFFSET 0x420 #define HAL_GALILEO_CS0_HD_OFFSET 0x424 #define HAL_GALILEO_CS1_LD_OFFSET 0x428 #define HAL_GALILEO_CS1_HD_OFFSET 0x42c #define HAL_GALILEO_CS2_LD_OFFSET 0x430 #define HAL_GALILEO_CS2_HD_OFFSET 0x434 // GALILEO PCI Internal #define HAL_GALILEO_PCI_INTERNAL_COMMAND_OFFSET 0xC00 #define HAL_GALILEO_PCI0_TIMEOUT_RETRY_OFFSET 0xc04 #define HAL_GALILEO_PCI0_SCS10_SIZE_OFFSET 0xc08 #define HAL_GALILEO_PCI0_SCS32_SIZE_OFFSET 0xc0c #define HAL_GALILEO_PCI0_SCS20_SIZE_OFFSET 0xc10 #define HAL_GALILEO_PCI0_CS3_SIZE_OFFSET 0xc14 #define HAL_GALILEO_BAR_ENA_OFFSET 0xc3c # define HAL_GALILEO_BAR_ENA_SWCS3 (1 << 0) # define HAL_GALILEO_BAR_ENA_SWCS32 (1 << 1) # define HAL_GALILEO_BAR_ENA_SWCS10 (1 << 2) # define HAL_GALILEO_BAR_ENA_IO (1 << 3) # define HAL_GALILEO_BAR_ENA_MEM (1 << 4) # define HAL_GALILEO_BAR_ENA_CS3 (1 << 5) # define HAL_GALILEO_BAR_ENA_CS20 (1 << 6) # define HAL_GALILEO_BAR_ENA_SCS32 (1 << 7) # define HAL_GALILEO_BAR_ENA_SCS10 (1 << 8) #define HAL_GALILEO_PCI0_CONFIG_ADDR_OFFSET 0xcf8 # define HAL_GALILEO_PCI0_CONFIG_ADDR_ENABLE (1 << 31) #define HAL_GALILEO_PCI0_CONFIG_DATA_OFFSET 0xcfc // GALILEO Interrupts #define HAL_GALILEO_IRQ_CAUSE_OFFSET 0xc18 # define HAL_GALILEO_IRQCAUSE_INTSUM (1 << 0) # define HAL_GALILEO_IRQCAUSE_MEMOUT (1 << 1) # define HAL_GALILEO_IRQCAUSE_DMAOUT (1 << 2) # define HAL_GALILEO_IRQCAUSE_CPUOUT (1 << 3) # define HAL_GALILEO_IRQCAUSE_DMA0 (1 << 4) # define HAL_GALILEO_IRQCAUSE_DMA1 (1 << 5) # define HAL_GALILEO_IRQCAUSE_DMA2 (1 << 6) # define HAL_GALILEO_IRQCAUSE_DMA3 (1 << 7) # define HAL_GALILEO_IRQCAUSE_T0 (1 << 8) # define HAL_GALILEO_IRQCAUSE_T1 (1 << 9) # define HAL_GALILEO_IRQCAUSE_T2 (1 << 10) # define HAL_GALILEO_IRQCAUSE_T3 (1 << 11) # define HAL_GALILEO_IRQCAUSE_MASRD (1 << 12) # define HAL_GALILEO_IRQCAUSE_SLVWR (1 << 13) # define HAL_GALILEO_IRQCAUSE_MASWR (1 << 14) # define HAL_GALILEO_IRQCAUSE_SLVRD (1 << 15) # define HAL_GALILEO_IRQCAUSE_AERR (1 << 16) # define HAL_GALILEO_IRQCAUSE_MERR (1 << 17) # define HAL_GALILEO_IRQCAUSE_MASABT (1 << 18) # define HAL_GALILEO_IRQCAUSE_TARABT (1 << 19) # define HAL_GALILEO_IRQCAUSE_RETRY (1 << 20) # define HAL_GALILEO_IRQCAUSE_CPUSUM (1 << 30) # define HAL_GALILEO_IRQCAUSE_PCISUM (1 << 31) #define HAL_GALILEO_HIRQ_CAUSE_OFFSET 0xc98 #define HAL_GALILEO_CPUIRQ_MASK_OFFSET 0xc1c #define HAL_GALILEO_CPUHIRQ_MASK_OFFSET 0xc9c #define HAL_SAA9730_I2CSC_I2CCC_6400 0x500 #define HAL_SAA9730_I2CTFR_ATTR0_START 0xC #define HAL_SAA9730_I2CTFR_ATTR2_START 0xC0 #define HAL_SAA9730_I2CTFR_ATTR2_STOP 0x40 #define HAL_SAA9730_I2CTFR_ATTR1_CONT 0x20 #define HAL_SAA9730_I2CTFR_OFFSET 0x2400 #define HAL_SAA9730_I2CSC_OFFSET 0x2404 #define HAL_SAA9730_SYSRESET_OFFSET 0x4020 #define HAL_SAA9730_SYSRESET_ALL 0xdeae #define HAL_SPD_GET_NUM_ROW_BITS 3 #define HAL_SPD_GET_NUM_COL_BITS 4 #define HAL_SPD_GET_NUM_MODULE_BANKS 5 #define HAL_SPD_GET_CONFIG_TYPE 11 #define HAL_SPD_GET_REFRESH_RATE 12 #define HAL_SPD_GET_SDRAM_WIDTH 13 #define HAL_SPD_GET_ERROR_CHECK_WIDTH 14 #define HAL_SPD_GET_BURST_LENGTH 16 #define HAL_SPD_GET_NUM_DEVICE_BANKS 17 #define HAL_SPD_GET_CAS_LAT 18 #define HAL_SPD_GET_ROW_DENSITY 31 #define HAL_SPD_CONFIG_TYPE_PARITY BIT0 #define HAL_SPD_CONFIG_TYPE_ECC BIT1 #define HAL_SPD_REFRESH_RATE_125 5 #define HAL_SPD_REFRESH_RATE_62_5 4 #define HAL_SPD_REFRESH_RATE_31_3 3 #define HAL_SPD_REFRESH_RATE_15_625 0 #define HAL_SPD_REFRESH_RATE_7_8 2 #define HAL_SPD_REFRESH_RATE_3_9 1 #define HAL_SPD_REFRESH_COUNTER_125 (125*2) #define HAL_SPD_REFRESH_COUNTER_62_5 (62*2) #define HAL_SPD_REFRESH_COUNTER_31_3 (31*2) #define HAL_SPD_REFRESH_COUNTER_15_625 (15*2) #define HAL_SPD_REFRESH_COUNTER_7_8 (7*2) #define HAL_SPD_REFRESH_COUNTER_3_9 (3*2) /* Atlas Display Registers */ #define HAL_DISPLAY_BASE (HAL_ATLAS_REGISTER_BASE + 0x400) #define HAL_DISPLAY_LEDGREEN_OFFSET 0x00 #define HAL_DISPLAY_LEDBAR_OFFSET 0x08 #define HAL_DISPLAY_ASCIIWORD_OFFSET 0x10 #define HAL_DISPLAY_ASCIIPOS0_OFFSET 0x18 #define HAL_DISPLAY_ASCIIPOS1_OFFSET 0x20 #define HAL_DISPLAY_ASCIIPOS2_OFFSET 0x28 #define HAL_DISPLAY_ASCIIPOS3_OFFSET 0x30 #define HAL_DISPLAY_ASCIIPOS4_OFFSET 0x38 #define HAL_DISPLAY_ASCIIPOS5_OFFSET 0x40 #define HAL_DISPLAY_ASCIIPOS6_OFFSET 0x48 #define HAL_DISPLAY_ASCIIPOS7_OFFSET 0x50 #define HAL_DISPLAY_LEDGREEN HAL_REG(HAL_DISPLAY_BASE + HAL_DISPLAY_LEDGREEN_OFFSET) #define HAL_DISPLAY_LEDBAR HAL_REG(HAL_DISPLAY_BASE + HAL_DISPLAY_LEDBAR_OFFSET) #define HAL_DISPLAY_ASCIIWORD HAL_REG(HAL_DISPLAY_BASE + HAL_DISPLAY_ASCIIWORD_OFFSET) #define HAL_DISPLAY_ASCIIPOS0 HAL_REG(HAL_DISPLAY_BASE + HAL_DISPLAY_ASCIIPOS0_OFFSET) #define HAL_DISPLAY_ASCIIPOS1 HAL_REG(HAL_DISPLAY_BASE + HAL_DISPLAY_ASCIIPOS1_OFFSET) #define HAL_DISPLAY_ASCIIPOS2 HAL_REG(HAL_DISPLAY_BASE + HAL_DISPLAY_ASCIIPOS2_OFFSET) #define HAL_DISPLAY_ASCIIPOS3 HAL_REG(HAL_DISPLAY_BASE + HAL_DISPLAY_ASCIIPOS3_OFFSET) #define HAL_DISPLAY_ASCIIPOS4 HAL_REG(HAL_DISPLAY_BASE + HAL_DISPLAY_ASCIIPOS4_OFFSET) #define HAL_DISPLAY_ASCIIPOS5 HAL_REG(HAL_DISPLAY_BASE + HAL_DISPLAY_ASCIIPOS5_OFFSET) #define HAL_DISPLAY_ASCIIPOS6 HAL_REG(HAL_DISPLAY_BASE + HAL_DISPLAY_ASCIIPOS6_OFFSET) #define HAL_DISPLAY_ASCIIPOS7 HAL_REG(HAL_DISPLAY_BASE + HAL_DISPLAY_ASCIIPOS7_OFFSET) #ifdef __ASSEMBLER__ # define DEBUG_ASCII_DISPLAY(register, character) \ li k0, CYGARC_UNCACHED_ADDRESS(register); \ li k1, character; \ sw k1, 0(k0); \ nop; \ nop; \ nop # define DEBUG_LED_IMM(val) \ li k0, HAL_DISPLAY_LEDBAR; \ li k1, val; \ sw k1, 0(k0) # define DEBUG_LED_REG(reg) \ li k0, HAL_DISPLAY_LEDBAR; \ sw reg, 0(k0) # define DEBUG_HEX_DISPLAY_IMM(val) \ li k0, HAL_DISPLAY_ASCIIWORD; \ li k1, val; \ sw k1, 0(k0) # define DEBUG_HEX_DISPLAY_REG(reg) \ li k0, HAL_DISPLAY_ASCIIWORD; \ sw reg, 0(k0) # define DEBUG_DELAY() \ li k0, 0x20000; \ 0: sub k0, k0, 1; \ bnez k0, 0b; \ nop #else # define DEBUG_ASCII_DISPLAY(register, character) \ *(register) = character # define DEBUG_LED_IMM(val) \ *HAL_DISPLAY_LEDBAR = val # define DEBUG_HEX_DISPLAY_IMM(val) \ *HAL_DISPLAY_ASCIIWORD = val # define DEBUG_DELAY() \ { \ volatile int i = 0x20000; \ while (--i) ; \ } # define DEBUG_DISPLAY(str) \ { \ DEBUG_ASCII_DISPLAY(HAL_DISPLAY_ASCIIPOS0, str[0]); \ DEBUG_ASCII_DISPLAY(HAL_DISPLAY_ASCIIPOS1, str[1]); \ DEBUG_ASCII_DISPLAY(HAL_DISPLAY_ASCIIPOS2, str[2]); \ DEBUG_ASCII_DISPLAY(HAL_DISPLAY_ASCIIPOS3, str[3]); \ DEBUG_ASCII_DISPLAY(HAL_DISPLAY_ASCIIPOS4, str[4]); \ DEBUG_ASCII_DISPLAY(HAL_DISPLAY_ASCIIPOS5, str[5]); \ DEBUG_ASCII_DISPLAY(HAL_DISPLAY_ASCIIPOS6, str[6]); \ DEBUG_ASCII_DISPLAY(HAL_DISPLAY_ASCIIPOS7, str[7]); \ } #define HAL_GALILEO_PUTREG(x,y) \ (*((volatile unsigned *)(CYGARC_UNCACHED_ADDRESS(HAL_ATLAS_CONTROLLER_BASE) + (x))) = (y)) #define HAL_GALILEO_GETREG(x) \ (*((volatile unsigned *)(CYGARC_UNCACHED_ADDRESS(HAL_ATLAS_CONTROLLER_BASE) + (x)))) extern cyg_uint32 cyg_hal_plf_pci_cfg_read_dword (cyg_uint32 bus, cyg_uint32 devfn, cyg_uint32 offset); extern cyg_uint16 cyg_hal_plf_pci_cfg_read_word (cyg_uint32 bus, cyg_uint32 devfn, cyg_uint32 offset); extern cyg_uint8 cyg_hal_plf_pci_cfg_read_byte (cyg_uint32 bus, cyg_uint32 devfn, cyg_uint32 offset); extern void cyg_hal_plf_pci_cfg_write_dword (cyg_uint32 bus, cyg_uint32 devfn, cyg_uint32 offset, cyg_uint32 val); extern void cyg_hal_plf_pci_cfg_write_word (cyg_uint32 bus, cyg_uint32 devfn, cyg_uint32 offset, cyg_uint16 val); extern void cyg_hal_plf_pci_cfg_write_byte (cyg_uint32 bus, cyg_uint32 devfn, cyg_uint32 offset, cyg_uint8 val); // Initialize the PCI bus. externC void cyg_hal_plf_pci_init(void); #define HAL_PCI_INIT() cyg_hal_plf_pci_init() // Map PCI device resources starting from these addresses in PCI space. #define HAL_PCI_ALLOC_BASE_MEMORY 0x08000000 #define HAL_PCI_ALLOC_BASE_IO 0x18000000 // This is where the PCI spaces are mapped in the CPU's address space. // #define HAL_PCI_PHYSICAL_MEMORY_BASE 0xA0000000 #define HAL_PCI_PHYSICAL_IO_BASE 0xA0000000 // Read a value from the PCI configuration space of the appropriate // size at an address composed from the bus, devfn and offset. #define HAL_PCI_CFG_READ_UINT8( __bus, __devfn, __offset, __val ) \ __val = cyg_hal_plf_pci_cfg_read_byte((__bus), (__devfn), (__offset)) #define HAL_PCI_CFG_READ_UINT16( __bus, __devfn, __offset, __val ) \ __val = cyg_hal_plf_pci_cfg_read_word((__bus), (__devfn), (__offset)) #define HAL_PCI_CFG_READ_UINT32( __bus, __devfn, __offset, __val ) \ __val = cyg_hal_plf_pci_cfg_read_dword((__bus), (__devfn), (__offset)) // Write a value to the PCI configuration space of the appropriate // size at an address composed from the bus, devfn and offset. #define HAL_PCI_CFG_WRITE_UINT8( __bus, __devfn, __offset, __val ) \ cyg_hal_plf_pci_cfg_write_byte((__bus), (__devfn), (__offset), (__val)) #define HAL_PCI_CFG_WRITE_UINT16( __bus, __devfn, __offset, __val ) \ cyg_hal_plf_pci_cfg_write_word((__bus), (__devfn), (__offset), (__val)) #define HAL_PCI_CFG_WRITE_UINT32( __bus, __devfn, __offset, __val ) \ cyg_hal_plf_pci_cfg_write_dword((__bus), (__devfn), (__offset), (__val)) // Translate the PCI interrupt requested by the device (INTA#, INTB#, // INTC# or INTD#) to the associated CPU interrupt (i.e., HAL vector). #define HAL_PCI_TRANSLATE_INTERRUPT( __bus, __devfn, __vec, __valid) \ CYG_MACRO_START \ __valid = false; \ CYG_MACRO_END // Galileo GT64120 on MIPS ATLAS requires special processing. // First, it will hang when accessing device 31 on the local bus. // Second, we need to ignore the GT64120 so we can set it up // outside the generic PCI library. #define HAL_PCI_IGNORE_DEVICE(__bus, __dev, __fn) \ ((__bus) == 0 && ((__dev) == 0 || (__dev) == 31)) #endif //----------------------------------------------------------------------------- // end of plf_io.h #endif // CYGONCE_PLF_IO_H
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