12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 230ad29bbSHuacai Chen /* 330ad29bbSHuacai Chen * Copyright (C) 2009 Lemote, Inc. 430ad29bbSHuacai Chen * Author: Wu Zhangjin <wuzhangjin@gmail.com> 530ad29bbSHuacai Chen */ 630ad29bbSHuacai Chen 730ad29bbSHuacai Chen #ifndef __ASM_MACH_LOONGSON64_LOONGSON_H 830ad29bbSHuacai Chen #define __ASM_MACH_LOONGSON64_LOONGSON_H 930ad29bbSHuacai Chen 1030ad29bbSHuacai Chen #include <linux/io.h> 1130ad29bbSHuacai Chen #include <linux/init.h> 1230ad29bbSHuacai Chen #include <linux/irq.h> 1330ad29bbSHuacai Chen #include <boot_param.h> 1430ad29bbSHuacai Chen 1530ad29bbSHuacai Chen 1630ad29bbSHuacai Chen /* machine-specific reboot/halt operation */ 1730ad29bbSHuacai Chen extern void mach_prepare_reboot(void); 1830ad29bbSHuacai Chen extern void mach_prepare_shutdown(void); 1930ad29bbSHuacai Chen 2030ad29bbSHuacai Chen /* environment arguments from bootloader */ 2130ad29bbSHuacai Chen extern u32 cpu_clock_freq; 2230ad29bbSHuacai Chen extern u32 memsize, highmemsize; 23ff2c8252SMatt Redfearn extern const struct plat_smp_ops loongson3_smp_ops; 2430ad29bbSHuacai Chen 2530ad29bbSHuacai Chen /* loongson-specific command line, env and memory initialization */ 2630ad29bbSHuacai Chen extern void __init prom_init_memory(void); 2730ad29bbSHuacai Chen extern void __init prom_init_env(void); 28fcecdcd3SJiaxun Yang extern void *loongson_fdt_blob; 2930ad29bbSHuacai Chen 3030ad29bbSHuacai Chen /* irq operation functions */ 3130ad29bbSHuacai Chen extern void mach_irq_dispatch(unsigned int pending); 3230ad29bbSHuacai Chen extern int mach_i8259_irq(void); 3330ad29bbSHuacai Chen 3430ad29bbSHuacai Chen /* We need this in some places... */ 3530ad29bbSHuacai Chen #define delay() ({ \ 3630ad29bbSHuacai Chen int x; \ 3730ad29bbSHuacai Chen for (x = 0; x < 100000; x++) \ 3830ad29bbSHuacai Chen __asm__ __volatile__(""); \ 3930ad29bbSHuacai Chen }) 4030ad29bbSHuacai Chen 4130ad29bbSHuacai Chen #define LOONGSON_REG(x) \ 4230ad29bbSHuacai Chen (*(volatile u32 *)((char *)CKSEG1ADDR(LOONGSON_REG_BASE) + (x))) 4330ad29bbSHuacai Chen 4430ad29bbSHuacai Chen #define LOONGSON3_REG8(base, x) \ 4530ad29bbSHuacai Chen (*(volatile u8 *)((char *)TO_UNCAC(base) + (x))) 4630ad29bbSHuacai Chen 4730ad29bbSHuacai Chen #define LOONGSON3_REG32(base, x) \ 4830ad29bbSHuacai Chen (*(volatile u32 *)((char *)TO_UNCAC(base) + (x))) 4930ad29bbSHuacai Chen 5030ad29bbSHuacai Chen #define LOONGSON_FLASH_BASE 0x1c000000 5130ad29bbSHuacai Chen #define LOONGSON_FLASH_SIZE 0x02000000 /* 32M */ 5230ad29bbSHuacai Chen #define LOONGSON_FLASH_TOP (LOONGSON_FLASH_BASE+LOONGSON_FLASH_SIZE-1) 5330ad29bbSHuacai Chen 5430ad29bbSHuacai Chen #define LOONGSON_LIO0_BASE 0x1e000000 5530ad29bbSHuacai Chen #define LOONGSON_LIO0_SIZE 0x01C00000 /* 28M */ 5630ad29bbSHuacai Chen #define LOONGSON_LIO0_TOP (LOONGSON_LIO0_BASE+LOONGSON_LIO0_SIZE-1) 5730ad29bbSHuacai Chen 5830ad29bbSHuacai Chen #define LOONGSON_BOOT_BASE 0x1fc00000 5930ad29bbSHuacai Chen #define LOONGSON_BOOT_SIZE 0x00100000 /* 1M */ 6030ad29bbSHuacai Chen #define LOONGSON_BOOT_TOP (LOONGSON_BOOT_BASE+LOONGSON_BOOT_SIZE-1) 6130ad29bbSHuacai Chen #define LOONGSON_REG_BASE 0x1fe00000 6230ad29bbSHuacai Chen #define LOONGSON_REG_SIZE 0x00100000 /* 256Bytes + 256Bytes + ??? */ 6330ad29bbSHuacai Chen #define LOONGSON_REG_TOP (LOONGSON_REG_BASE+LOONGSON_REG_SIZE-1) 6430ad29bbSHuacai Chen /* Loongson-3 specific registers */ 6530ad29bbSHuacai Chen #define LOONGSON3_REG_BASE 0x3ff00000 6630ad29bbSHuacai Chen #define LOONGSON3_REG_SIZE 0x00100000 /* 256Bytes + 256Bytes + ??? */ 6730ad29bbSHuacai Chen #define LOONGSON3_REG_TOP (LOONGSON3_REG_BASE+LOONGSON3_REG_SIZE-1) 6830ad29bbSHuacai Chen 6930ad29bbSHuacai Chen #define LOONGSON_LIO1_BASE 0x1ff00000 7030ad29bbSHuacai Chen #define LOONGSON_LIO1_SIZE 0x00100000 /* 1M */ 7130ad29bbSHuacai Chen #define LOONGSON_LIO1_TOP (LOONGSON_LIO1_BASE+LOONGSON_LIO1_SIZE-1) 7230ad29bbSHuacai Chen 7330ad29bbSHuacai Chen #define LOONGSON_PCILO0_BASE 0x10000000 7430ad29bbSHuacai Chen #define LOONGSON_PCILO1_BASE 0x14000000 7530ad29bbSHuacai Chen #define LOONGSON_PCILO2_BASE 0x18000000 7630ad29bbSHuacai Chen #define LOONGSON_PCILO_BASE LOONGSON_PCILO0_BASE 7730ad29bbSHuacai Chen #define LOONGSON_PCILO_SIZE 0x0c000000 /* 64M * 3 */ 7830ad29bbSHuacai Chen #define LOONGSON_PCILO_TOP (LOONGSON_PCILO0_BASE+LOONGSON_PCILO_SIZE-1) 7930ad29bbSHuacai Chen 8030ad29bbSHuacai Chen #define LOONGSON_PCICFG_BASE 0x1fe80000 8130ad29bbSHuacai Chen #define LOONGSON_PCICFG_SIZE 0x00000800 /* 2K */ 8230ad29bbSHuacai Chen #define LOONGSON_PCICFG_TOP (LOONGSON_PCICFG_BASE+LOONGSON_PCICFG_SIZE-1) 8330ad29bbSHuacai Chen 8430ad29bbSHuacai Chen #define LOONGSON_PCIIO_BASE loongson_sysconf.pci_io_base 8530ad29bbSHuacai Chen 8630ad29bbSHuacai Chen #define LOONGSON_PCIIO_SIZE 0x00100000 /* 1M */ 8730ad29bbSHuacai Chen #define LOONGSON_PCIIO_TOP (LOONGSON_PCIIO_BASE+LOONGSON_PCIIO_SIZE-1) 8830ad29bbSHuacai Chen 8930ad29bbSHuacai Chen /* Loongson Register Bases */ 9030ad29bbSHuacai Chen 9130ad29bbSHuacai Chen #define LOONGSON_PCICONFIGBASE 0x00 9230ad29bbSHuacai Chen #define LOONGSON_REGBASE 0x100 9330ad29bbSHuacai Chen 9430ad29bbSHuacai Chen /* PCI Configuration Registers */ 9530ad29bbSHuacai Chen 9630ad29bbSHuacai Chen #define LOONGSON_PCI_REG(x) LOONGSON_REG(LOONGSON_PCICONFIGBASE + (x)) 9730ad29bbSHuacai Chen #define LOONGSON_PCIDID LOONGSON_PCI_REG(0x00) 9830ad29bbSHuacai Chen #define LOONGSON_PCICMD LOONGSON_PCI_REG(0x04) 9930ad29bbSHuacai Chen #define LOONGSON_PCICLASS LOONGSON_PCI_REG(0x08) 10030ad29bbSHuacai Chen #define LOONGSON_PCILTIMER LOONGSON_PCI_REG(0x0c) 10130ad29bbSHuacai Chen #define LOONGSON_PCIBASE0 LOONGSON_PCI_REG(0x10) 10230ad29bbSHuacai Chen #define LOONGSON_PCIBASE1 LOONGSON_PCI_REG(0x14) 10330ad29bbSHuacai Chen #define LOONGSON_PCIBASE2 LOONGSON_PCI_REG(0x18) 10430ad29bbSHuacai Chen #define LOONGSON_PCIBASE3 LOONGSON_PCI_REG(0x1c) 10530ad29bbSHuacai Chen #define LOONGSON_PCIBASE4 LOONGSON_PCI_REG(0x20) 10630ad29bbSHuacai Chen #define LOONGSON_PCIEXPRBASE LOONGSON_PCI_REG(0x30) 10730ad29bbSHuacai Chen #define LOONGSON_PCIINT LOONGSON_PCI_REG(0x3c) 10830ad29bbSHuacai Chen 10930ad29bbSHuacai Chen #define LOONGSON_PCI_ISR4C LOONGSON_PCI_REG(0x4c) 11030ad29bbSHuacai Chen 11130ad29bbSHuacai Chen #define LOONGSON_PCICMD_PERR_CLR 0x80000000 11230ad29bbSHuacai Chen #define LOONGSON_PCICMD_SERR_CLR 0x40000000 11330ad29bbSHuacai Chen #define LOONGSON_PCICMD_MABORT_CLR 0x20000000 11430ad29bbSHuacai Chen #define LOONGSON_PCICMD_MTABORT_CLR 0x10000000 11530ad29bbSHuacai Chen #define LOONGSON_PCICMD_TABORT_CLR 0x08000000 11630ad29bbSHuacai Chen #define LOONGSON_PCICMD_MPERR_CLR 0x01000000 11730ad29bbSHuacai Chen #define LOONGSON_PCICMD_PERRRESPEN 0x00000040 11830ad29bbSHuacai Chen #define LOONGSON_PCICMD_ASTEPEN 0x00000080 11930ad29bbSHuacai Chen #define LOONGSON_PCICMD_SERREN 0x00000100 12030ad29bbSHuacai Chen #define LOONGSON_PCILTIMER_BUSLATENCY 0x0000ff00 12130ad29bbSHuacai Chen #define LOONGSON_PCILTIMER_BUSLATENCY_SHIFT 8 12230ad29bbSHuacai Chen 12330ad29bbSHuacai Chen /* Loongson h/w Configuration */ 12430ad29bbSHuacai Chen 12530ad29bbSHuacai Chen #define LOONGSON_GENCFG_OFFSET 0x4 12630ad29bbSHuacai Chen #define LOONGSON_GENCFG LOONGSON_REG(LOONGSON_REGBASE + LOONGSON_GENCFG_OFFSET) 12730ad29bbSHuacai Chen 12830ad29bbSHuacai Chen #define LOONGSON_GENCFG_DEBUGMODE 0x00000001 12930ad29bbSHuacai Chen #define LOONGSON_GENCFG_SNOOPEN 0x00000002 13030ad29bbSHuacai Chen #define LOONGSON_GENCFG_CPUSELFRESET 0x00000004 13130ad29bbSHuacai Chen 13230ad29bbSHuacai Chen #define LOONGSON_GENCFG_FORCE_IRQA 0x00000008 13330ad29bbSHuacai Chen #define LOONGSON_GENCFG_IRQA_ISOUT 0x00000010 13430ad29bbSHuacai Chen #define LOONGSON_GENCFG_IRQA_FROM_INT1 0x00000020 13530ad29bbSHuacai Chen #define LOONGSON_GENCFG_BYTESWAP 0x00000040 13630ad29bbSHuacai Chen 13730ad29bbSHuacai Chen #define LOONGSON_GENCFG_UNCACHED 0x00000080 13830ad29bbSHuacai Chen #define LOONGSON_GENCFG_PREFETCHEN 0x00000100 13930ad29bbSHuacai Chen #define LOONGSON_GENCFG_WBEHINDEN 0x00000200 14030ad29bbSHuacai Chen #define LOONGSON_GENCFG_CACHEALG 0x00000c00 14130ad29bbSHuacai Chen #define LOONGSON_GENCFG_CACHEALG_SHIFT 10 14230ad29bbSHuacai Chen #define LOONGSON_GENCFG_PCIQUEUE 0x00001000 14330ad29bbSHuacai Chen #define LOONGSON_GENCFG_CACHESTOP 0x00002000 14430ad29bbSHuacai Chen #define LOONGSON_GENCFG_MSTRBYTESWAP 0x00004000 14530ad29bbSHuacai Chen #define LOONGSON_GENCFG_BUSERREN 0x00008000 14630ad29bbSHuacai Chen #define LOONGSON_GENCFG_NORETRYTIMEOUT 0x00010000 14730ad29bbSHuacai Chen #define LOONGSON_GENCFG_SHORTCOPYTIMEOUT 0x00020000 14830ad29bbSHuacai Chen 14930ad29bbSHuacai Chen /* PCI address map control */ 15030ad29bbSHuacai Chen 15130ad29bbSHuacai Chen #define LOONGSON_PCIMAP LOONGSON_REG(LOONGSON_REGBASE + 0x10) 15230ad29bbSHuacai Chen #define LOONGSON_PCIMEMBASECFG LOONGSON_REG(LOONGSON_REGBASE + 0x14) 15330ad29bbSHuacai Chen #define LOONGSON_PCIMAP_CFG LOONGSON_REG(LOONGSON_REGBASE + 0x18) 15430ad29bbSHuacai Chen 15530ad29bbSHuacai Chen /* GPIO Regs - r/w */ 15630ad29bbSHuacai Chen 15730ad29bbSHuacai Chen #define LOONGSON_GPIODATA LOONGSON_REG(LOONGSON_REGBASE + 0x1c) 15830ad29bbSHuacai Chen #define LOONGSON_GPIOIE LOONGSON_REG(LOONGSON_REGBASE + 0x20) 15930ad29bbSHuacai Chen 16030ad29bbSHuacai Chen /* ICU Configuration Regs - r/w */ 16130ad29bbSHuacai Chen 16230ad29bbSHuacai Chen #define LOONGSON_INTEDGE LOONGSON_REG(LOONGSON_REGBASE + 0x24) 16330ad29bbSHuacai Chen #define LOONGSON_INTSTEER LOONGSON_REG(LOONGSON_REGBASE + 0x28) 16430ad29bbSHuacai Chen #define LOONGSON_INTPOL LOONGSON_REG(LOONGSON_REGBASE + 0x2c) 16530ad29bbSHuacai Chen 16630ad29bbSHuacai Chen /* ICU Enable Regs - IntEn & IntISR are r/o. */ 16730ad29bbSHuacai Chen 16830ad29bbSHuacai Chen #define LOONGSON_INTENSET LOONGSON_REG(LOONGSON_REGBASE + 0x30) 16930ad29bbSHuacai Chen #define LOONGSON_INTENCLR LOONGSON_REG(LOONGSON_REGBASE + 0x34) 17030ad29bbSHuacai Chen #define LOONGSON_INTEN LOONGSON_REG(LOONGSON_REGBASE + 0x38) 17130ad29bbSHuacai Chen #define LOONGSON_INTISR LOONGSON_REG(LOONGSON_REGBASE + 0x3c) 17230ad29bbSHuacai Chen 17330ad29bbSHuacai Chen /* ICU */ 17430ad29bbSHuacai Chen #define LOONGSON_ICU_MBOXES 0x0000000f 17530ad29bbSHuacai Chen #define LOONGSON_ICU_MBOXES_SHIFT 0 17630ad29bbSHuacai Chen #define LOONGSON_ICU_DMARDY 0x00000010 17730ad29bbSHuacai Chen #define LOONGSON_ICU_DMAEMPTY 0x00000020 17830ad29bbSHuacai Chen #define LOONGSON_ICU_COPYRDY 0x00000040 17930ad29bbSHuacai Chen #define LOONGSON_ICU_COPYEMPTY 0x00000080 18030ad29bbSHuacai Chen #define LOONGSON_ICU_COPYERR 0x00000100 18130ad29bbSHuacai Chen #define LOONGSON_ICU_PCIIRQ 0x00000200 18230ad29bbSHuacai Chen #define LOONGSON_ICU_MASTERERR 0x00000400 18330ad29bbSHuacai Chen #define LOONGSON_ICU_SYSTEMERR 0x00000800 18430ad29bbSHuacai Chen #define LOONGSON_ICU_DRAMPERR 0x00001000 18530ad29bbSHuacai Chen #define LOONGSON_ICU_RETRYERR 0x00002000 18630ad29bbSHuacai Chen #define LOONGSON_ICU_GPIOS 0x01ff0000 18730ad29bbSHuacai Chen #define LOONGSON_ICU_GPIOS_SHIFT 16 18830ad29bbSHuacai Chen #define LOONGSON_ICU_GPINS 0x7e000000 18930ad29bbSHuacai Chen #define LOONGSON_ICU_GPINS_SHIFT 25 19030ad29bbSHuacai Chen #define LOONGSON_ICU_MBOX(N) (1<<(LOONGSON_ICU_MBOXES_SHIFT+(N))) 19130ad29bbSHuacai Chen #define LOONGSON_ICU_GPIO(N) (1<<(LOONGSON_ICU_GPIOS_SHIFT+(N))) 19230ad29bbSHuacai Chen #define LOONGSON_ICU_GPIN(N) (1<<(LOONGSON_ICU_GPINS_SHIFT+(N))) 19330ad29bbSHuacai Chen 19430ad29bbSHuacai Chen /* PCI prefetch window base & mask */ 19530ad29bbSHuacai Chen 19630ad29bbSHuacai Chen #define LOONGSON_MEM_WIN_BASE_L LOONGSON_REG(LOONGSON_REGBASE + 0x40) 19730ad29bbSHuacai Chen #define LOONGSON_MEM_WIN_BASE_H LOONGSON_REG(LOONGSON_REGBASE + 0x44) 19830ad29bbSHuacai Chen #define LOONGSON_MEM_WIN_MASK_L LOONGSON_REG(LOONGSON_REGBASE + 0x48) 19930ad29bbSHuacai Chen #define LOONGSON_MEM_WIN_MASK_H LOONGSON_REG(LOONGSON_REGBASE + 0x4c) 20030ad29bbSHuacai Chen 20130ad29bbSHuacai Chen /* PCI_Hit*_Sel_* */ 20230ad29bbSHuacai Chen 20330ad29bbSHuacai Chen #define LOONGSON_PCI_HIT0_SEL_L LOONGSON_REG(LOONGSON_REGBASE + 0x50) 20430ad29bbSHuacai Chen #define LOONGSON_PCI_HIT0_SEL_H LOONGSON_REG(LOONGSON_REGBASE + 0x54) 20530ad29bbSHuacai Chen #define LOONGSON_PCI_HIT1_SEL_L LOONGSON_REG(LOONGSON_REGBASE + 0x58) 20630ad29bbSHuacai Chen #define LOONGSON_PCI_HIT1_SEL_H LOONGSON_REG(LOONGSON_REGBASE + 0x5c) 20730ad29bbSHuacai Chen #define LOONGSON_PCI_HIT2_SEL_L LOONGSON_REG(LOONGSON_REGBASE + 0x60) 20830ad29bbSHuacai Chen #define LOONGSON_PCI_HIT2_SEL_H LOONGSON_REG(LOONGSON_REGBASE + 0x64) 20930ad29bbSHuacai Chen 21030ad29bbSHuacai Chen /* PXArb Config & Status */ 21130ad29bbSHuacai Chen 21230ad29bbSHuacai Chen #define LOONGSON_PXARB_CFG LOONGSON_REG(LOONGSON_REGBASE + 0x68) 21330ad29bbSHuacai Chen #define LOONGSON_PXARB_STATUS LOONGSON_REG(LOONGSON_REGBASE + 0x6c) 21430ad29bbSHuacai Chen 21530ad29bbSHuacai Chen #define MAX_PACKAGES 4 21630ad29bbSHuacai Chen 21730ad29bbSHuacai Chen /* Chip Config registor of each physical cpu package, PRid >= Loongson-2F */ 21830ad29bbSHuacai Chen extern u64 loongson_chipcfg[MAX_PACKAGES]; 21930ad29bbSHuacai Chen #define LOONGSON_CHIPCFG(id) (*(volatile u32 *)(loongson_chipcfg[id])) 22030ad29bbSHuacai Chen 22130ad29bbSHuacai Chen /* Chip Temperature registor of each physical cpu package, PRid >= Loongson-3A */ 22230ad29bbSHuacai Chen extern u64 loongson_chiptemp[MAX_PACKAGES]; 22330ad29bbSHuacai Chen #define LOONGSON_CHIPTEMP(id) (*(volatile u32 *)(loongson_chiptemp[id])) 22430ad29bbSHuacai Chen 22530ad29bbSHuacai Chen /* Freq Control register of each physical cpu package, PRid >= Loongson-3B */ 22630ad29bbSHuacai Chen extern u64 loongson_freqctrl[MAX_PACKAGES]; 22730ad29bbSHuacai Chen #define LOONGSON_FREQCTRL(id) (*(volatile u32 *)(loongson_freqctrl[id])) 22830ad29bbSHuacai Chen 22930ad29bbSHuacai Chen /* pcimap */ 23030ad29bbSHuacai Chen 23130ad29bbSHuacai Chen #define LOONGSON_PCIMAP_PCIMAP_LO0 0x0000003f 23230ad29bbSHuacai Chen #define LOONGSON_PCIMAP_PCIMAP_LO0_SHIFT 0 23330ad29bbSHuacai Chen #define LOONGSON_PCIMAP_PCIMAP_LO1 0x00000fc0 23430ad29bbSHuacai Chen #define LOONGSON_PCIMAP_PCIMAP_LO1_SHIFT 6 23530ad29bbSHuacai Chen #define LOONGSON_PCIMAP_PCIMAP_LO2 0x0003f000 23630ad29bbSHuacai Chen #define LOONGSON_PCIMAP_PCIMAP_LO2_SHIFT 12 23730ad29bbSHuacai Chen #define LOONGSON_PCIMAP_PCIMAP_2 0x00040000 23830ad29bbSHuacai Chen #define LOONGSON_PCIMAP_WIN(WIN, ADDR) \ 23930ad29bbSHuacai Chen ((((ADDR)>>26) & LOONGSON_PCIMAP_PCIMAP_LO0) << ((WIN)*6)) 24030ad29bbSHuacai Chen 24130ad29bbSHuacai Chen #endif /* __ASM_MACH_LOONGSON64_LOONGSON_H */ 242