diff options
Diffstat (limited to 'arch/mips/include/asm/mach-generic')
| -rw-r--r-- | arch/mips/include/asm/mach-generic/dma-coherence.h | 81 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-generic/floppy.h | 16 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-generic/gpio.h | 21 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-generic/ide.h | 138 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-generic/ioremap.h | 17 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-generic/irq.h | 12 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-generic/kernel-entry-init.h | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-generic/kmalloc.h | 4 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-generic/mangle-port.h | 12 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-generic/mc146818rtc.h | 6 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-generic/spaces.h | 38 |
11 files changed, 42 insertions, 305 deletions
diff --git a/arch/mips/include/asm/mach-generic/dma-coherence.h b/arch/mips/include/asm/mach-generic/dma-coherence.h deleted file mode 100644 index 74cb99257d5b..000000000000 --- a/arch/mips/include/asm/mach-generic/dma-coherence.h +++ /dev/null @@ -1,81 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org> - * - */ -#ifndef __ASM_MACH_GENERIC_DMA_COHERENCE_H -#define __ASM_MACH_GENERIC_DMA_COHERENCE_H - -struct device; - -static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, - size_t size) -{ - return virt_to_phys(addr); -} - -static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, - struct page *page) -{ - return page_to_phys(page); -} - -static inline unsigned long plat_dma_addr_to_phys(struct device *dev, - dma_addr_t dma_addr) -{ - return dma_addr; -} - -static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, - size_t size, enum dma_data_direction direction) -{ -} - -static inline int plat_dma_supported(struct device *dev, u64 mask) -{ - /* - * we fall back to GFP_DMA when the mask isn't all 1s, - * so we can't guarantee allocations that must be - * within a tighter range than GFP_DMA.. - */ - if (mask < DMA_BIT_MASK(24)) - return 0; - - return 1; -} - -static inline void plat_extra_sync_for_device(struct device *dev) -{ -} - -static inline int plat_dma_mapping_error(struct device *dev, - dma_addr_t dma_addr) -{ - return 0; -} - -static inline int plat_device_is_coherent(struct device *dev) -{ -#ifdef CONFIG_DMA_COHERENT - return 1; -#else - return coherentio; -#endif -} - -#ifdef CONFIG_SWIOTLB -static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) -{ - return paddr; -} - -static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) -{ - return daddr; -} -#endif - -#endif /* __ASM_MACH_GENERIC_DMA_COHERENCE_H */ diff --git a/arch/mips/include/asm/mach-generic/floppy.h b/arch/mips/include/asm/mach-generic/floppy.h index 5b5cd689a2f7..e0c9cd41f9b9 100644 --- a/arch/mips/include/asm/mach-generic/floppy.h +++ b/arch/mips/include/asm/mach-generic/floppy.h @@ -9,7 +9,6 @@ #define __ASM_MACH_GENERIC_FLOPPY_H #include <linux/delay.h> -#include <linux/init.h> #include <linux/ioport.h> #include <linux/sched.h> #include <linux/linkage.h> @@ -22,19 +21,18 @@ #include <asm/floppy.h> #include <asm/io.h> #include <asm/irq.h> -#include <asm/pgtable.h> /* * How to access the FDC's registers. */ -static inline unsigned char fd_inb(unsigned int port) +static inline unsigned char fd_inb(unsigned int base, unsigned int reg) { - return inb_p(port); + return inb_p(base + reg); } -static inline void fd_outb(unsigned char value, unsigned int port) +static inline void fd_outb(unsigned char value, unsigned int base, unsigned int reg) { - outb_p(value, port); + outb_p(value, base + reg); } /* @@ -116,11 +114,7 @@ static inline unsigned long fd_getfdaddr1(void) static inline unsigned long fd_dma_mem_alloc(unsigned long size) { - unsigned long mem; - - mem = __get_dma_pages(GFP_KERNEL, get_order(size)); - - return mem; + return __get_dma_pages(GFP_KERNEL, get_order(size)); } static inline void fd_dma_mem_free(unsigned long addr, unsigned long size) diff --git a/arch/mips/include/asm/mach-generic/gpio.h b/arch/mips/include/asm/mach-generic/gpio.h deleted file mode 100644 index b4e70208da64..000000000000 --- a/arch/mips/include/asm/mach-generic/gpio.h +++ /dev/null @@ -1,21 +0,0 @@ -#ifndef __ASM_MACH_GENERIC_GPIO_H -#define __ASM_MACH_GENERIC_GPIO_H - -#ifdef CONFIG_GPIOLIB -#define gpio_get_value __gpio_get_value -#define gpio_set_value __gpio_set_value -#define gpio_cansleep __gpio_cansleep -#else -int gpio_request(unsigned gpio, const char *label); -void gpio_free(unsigned gpio); -int gpio_direction_input(unsigned gpio); -int gpio_direction_output(unsigned gpio, int value); -int gpio_get_value(unsigned gpio); -void gpio_set_value(unsigned gpio, int value); -#endif -int gpio_to_irq(unsigned gpio); -int irq_to_gpio(unsigned irq); - -#include <asm-generic/gpio.h> /* cansleep wrappers */ - -#endif /* __ASM_MACH_GENERIC_GPIO_H */ diff --git a/arch/mips/include/asm/mach-generic/ide.h b/arch/mips/include/asm/mach-generic/ide.h deleted file mode 100644 index affa66f5c2da..000000000000 --- a/arch/mips/include/asm/mach-generic/ide.h +++ /dev/null @@ -1,138 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1994-1996 Linus Torvalds & authors - * - * Copied from i386; many of the especially older MIPS or ISA-based platforms - * are basically identical. Using this file probably implies i8259 PIC - * support in a system but the very least interrupt numbers 0 - 15 need to - * be put aside for legacy devices. - */ -#ifndef __ASM_MACH_GENERIC_IDE_H -#define __ASM_MACH_GENERIC_IDE_H - -#ifdef __KERNEL__ - -#include <linux/pci.h> -#include <linux/stddef.h> -#include <asm/processor.h> - -/* MIPS port and memory-mapped I/O string operations. */ -static inline void __ide_flush_prologue(void) -{ -#ifdef CONFIG_SMP - if (cpu_has_dc_aliases) - preempt_disable(); -#endif -} - -static inline void __ide_flush_epilogue(void) -{ -#ifdef CONFIG_SMP - if (cpu_has_dc_aliases) - preempt_enable(); -#endif -} - -static inline void __ide_flush_dcache_range(unsigned long addr, unsigned long size) -{ - if (cpu_has_dc_aliases) { - unsigned long end = addr + size; - - while (addr < end) { - local_flush_data_cache_page((void *)addr); - addr += PAGE_SIZE; - } - } -} - -/* - * insw() and gang might be called with interrupts disabled, so we can't - * send IPIs for flushing due to the potencial of deadlocks, see the comment - * above smp_call_function() in arch/mips/kernel/smp.c. We work around the - * problem by disabling preemption so we know we actually perform the flush - * on the processor that actually has the lines to be flushed which hopefully - * is even better for performance anyway. - */ -static inline void __ide_insw(unsigned long port, void *addr, - unsigned int count) -{ - __ide_flush_prologue(); - insw(port, addr, count); - __ide_flush_dcache_range((unsigned long)addr, count * 2); - __ide_flush_epilogue(); -} - -static inline void __ide_insl(unsigned long port, void *addr, unsigned int count) -{ - __ide_flush_prologue(); - insl(port, addr, count); - __ide_flush_dcache_range((unsigned long)addr, count * 4); - __ide_flush_epilogue(); -} - -static inline void __ide_outsw(unsigned long port, const void *addr, - unsigned long count) -{ - __ide_flush_prologue(); - outsw(port, addr, count); - __ide_flush_dcache_range((unsigned long)addr, count * 2); - __ide_flush_epilogue(); -} - -static inline void __ide_outsl(unsigned long port, const void *addr, - unsigned long count) -{ - __ide_flush_prologue(); - outsl(port, addr, count); - __ide_flush_dcache_range((unsigned long)addr, count * 4); - __ide_flush_epilogue(); -} - -static inline void __ide_mm_insw(void __iomem *port, void *addr, u32 count) -{ - __ide_flush_prologue(); - readsw(port, addr, count); - __ide_flush_dcache_range((unsigned long)addr, count * 2); - __ide_flush_epilogue(); -} - -static inline void __ide_mm_insl(void __iomem *port, void *addr, u32 count) -{ - __ide_flush_prologue(); - readsl(port, addr, count); - __ide_flush_dcache_range((unsigned long)addr, count * 4); - __ide_flush_epilogue(); -} - -static inline void __ide_mm_outsw(void __iomem *port, void *addr, u32 count) -{ - __ide_flush_prologue(); - writesw(port, addr, count); - __ide_flush_dcache_range((unsigned long)addr, count * 2); - __ide_flush_epilogue(); -} - -static inline void __ide_mm_outsl(void __iomem * port, void *addr, u32 count) -{ - __ide_flush_prologue(); - writesl(port, addr, count); - __ide_flush_dcache_range((unsigned long)addr, count * 4); - __ide_flush_epilogue(); -} - -/* ide_insw calls insw, not __ide_insw. Why? */ -#undef insw -#undef insl -#undef outsw -#undef outsl -#define insw(port, addr, count) __ide_insw(port, addr, count) -#define insl(port, addr, count) __ide_insl(port, addr, count) -#define outsw(port, addr, count) __ide_outsw(port, addr, count) -#define outsl(port, addr, count) __ide_outsl(port, addr, count) - -#endif /* __KERNEL__ */ - -#endif /* __ASM_MACH_GENERIC_IDE_H */ diff --git a/arch/mips/include/asm/mach-generic/ioremap.h b/arch/mips/include/asm/mach-generic/ioremap.h index b379938d47f0..f2442b84545c 100644 --- a/arch/mips/include/asm/mach-generic/ioremap.h +++ b/arch/mips/include/asm/mach-generic/ioremap.h @@ -1,26 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * include/asm-mips/mach-generic/ioremap.h - * - * This program 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 of the License, or (at your option) any later version. */ #ifndef __ASM_MACH_GENERIC_IOREMAP_H #define __ASM_MACH_GENERIC_IOREMAP_H #include <linux/types.h> -/* - * Allow physical addresses to be fixed up to help peripherals located - * outside the low 32-bit range -- generic pass-through version. - */ -static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size) -{ - return phys_addr; -} - -static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size, +static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size, unsigned long flags) { return NULL; diff --git a/arch/mips/include/asm/mach-generic/irq.h b/arch/mips/include/asm/mach-generic/irq.h index 139cd200e79d..4249af4bef84 100644 --- a/arch/mips/include/asm/mach-generic/irq.h +++ b/arch/mips/include/asm/mach-generic/irq.h @@ -9,7 +9,7 @@ #define __ASM_MACH_GENERIC_IRQ_H #ifndef NR_IRQS -#define NR_IRQS 128 +#define NR_IRQS 256 #endif #ifdef CONFIG_I8259 @@ -18,7 +18,7 @@ #endif #endif -#ifdef CONFIG_IRQ_CPU +#ifdef CONFIG_IRQ_MIPS_CPU #ifndef MIPS_CPU_IRQ_BASE #ifdef CONFIG_I8259 @@ -28,12 +28,6 @@ #endif /* CONFIG_I8259 */ #endif -#ifdef CONFIG_IRQ_CPU_RM7K -#ifndef RM7K_CPU_IRQ_BASE -#define RM7K_CPU_IRQ_BASE (MIPS_CPU_IRQ_BASE+8) -#endif -#endif - -#endif /* CONFIG_IRQ_CPU */ +#endif /* CONFIG_IRQ_MIPS_CPU */ #endif /* __ASM_MACH_GENERIC_IRQ_H */ diff --git a/arch/mips/include/asm/mach-generic/kernel-entry-init.h b/arch/mips/include/asm/mach-generic/kernel-entry-init.h index 13b0751b010a..a229297c880b 100644 --- a/arch/mips/include/asm/mach-generic/kernel-entry-init.h +++ b/arch/mips/include/asm/mach-generic/kernel-entry-init.h @@ -16,7 +16,7 @@ .endm /* - * Do SMP slave processor setup necessary before we can savely execute C code. + * Do SMP slave processor setup necessary before we can safely execute C code. */ .macro smp_slave_setup .endm diff --git a/arch/mips/include/asm/mach-generic/kmalloc.h b/arch/mips/include/asm/mach-generic/kmalloc.h index a5d669086ed9..649a98338886 100644 --- a/arch/mips/include/asm/mach-generic/kmalloc.h +++ b/arch/mips/include/asm/mach-generic/kmalloc.h @@ -1,8 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_MACH_GENERIC_KMALLOC_H #define __ASM_MACH_GENERIC_KMALLOC_H - -#ifndef CONFIG_DMA_COHERENT +#ifdef CONFIG_DMA_NONCOHERENT /* * Total overkill for most systems but need as a safe default. * Set this one if any device in the system might do non-coherent DMA. diff --git a/arch/mips/include/asm/mach-generic/mangle-port.h b/arch/mips/include/asm/mach-generic/mangle-port.h index f49dc990214b..77c65c294db6 100644 --- a/arch/mips/include/asm/mach-generic/mangle-port.h +++ b/arch/mips/include/asm/mach-generic/mangle-port.h @@ -29,11 +29,11 @@ # define ioswabb(a, x) (x) # define __mem_ioswabb(a, x) (x) -# define ioswabw(a, x) le16_to_cpu(x) +# define ioswabw(a, x) le16_to_cpu((__force __le16)(x)) # define __mem_ioswabw(a, x) (x) -# define ioswabl(a, x) le32_to_cpu(x) +# define ioswabl(a, x) le32_to_cpu((__force __le32)(x)) # define __mem_ioswabl(a, x) (x) -# define ioswabq(a, x) le64_to_cpu(x) +# define ioswabq(a, x) le64_to_cpu((__force __le64)(x)) # define __mem_ioswabq(a, x) (x) #else @@ -41,11 +41,11 @@ # define ioswabb(a, x) (x) # define __mem_ioswabb(a, x) (x) # define ioswabw(a, x) (x) -# define __mem_ioswabw(a, x) cpu_to_le16(x) +# define __mem_ioswabw(a, x) ((__force u16)cpu_to_le16(x)) # define ioswabl(a, x) (x) -# define __mem_ioswabl(a, x) cpu_to_le32(x) +# define __mem_ioswabl(a, x) ((__force u32)cpu_to_le32(x)) # define ioswabq(a, x) (x) -# define __mem_ioswabq(a, x) cpu_to_le32(x) +# define __mem_ioswabq(a, x) ((__force u64)cpu_to_le64(x)) #endif diff --git a/arch/mips/include/asm/mach-generic/mc146818rtc.h b/arch/mips/include/asm/mach-generic/mc146818rtc.h index 0b9a942f079d..249279b0494d 100644 --- a/arch/mips/include/asm/mach-generic/mc146818rtc.h +++ b/arch/mips/include/asm/mach-generic/mc146818rtc.h @@ -27,10 +27,6 @@ static inline void CMOS_WRITE(unsigned char data, unsigned long addr) outb_p(data, RTC_PORT(1)); } -#define RTC_ALWAYS_BCD 1 - -#ifndef mc146818_decode_year -#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1900) -#endif +#define RTC_ALWAYS_BCD 0 #endif /* __ASM_MACH_GENERIC_MC146818RTC_H */ diff --git a/arch/mips/include/asm/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h index 5b2f2e68e57f..6332b6cbf7ee 100644 --- a/arch/mips/include/asm/mach-generic/spaces.h +++ b/arch/mips/include/asm/mach-generic/spaces.h @@ -12,29 +12,35 @@ #include <linux/const.h> +#include <asm/mipsregs.h> + +#ifndef IO_SPACE_LIMIT +#define IO_SPACE_LIMIT 0xffff +#endif + /* * This gives the physical RAM offset. */ -#ifndef PHYS_OFFSET -#define PHYS_OFFSET _AC(0, UL) -#endif +#ifndef __ASSEMBLER__ +# if defined(CONFIG_MIPS_AUTO_PFN_OFFSET) +# define PHYS_OFFSET ((unsigned long)PFN_PHYS(ARCH_PFN_OFFSET)) +# elif !defined(PHYS_OFFSET) +# define PHYS_OFFSET _AC(0, UL) +# endif +#endif /* __ASSEMBLER__ */ #ifdef CONFIG_32BIT -#ifdef CONFIG_KVM_GUEST -#define CAC_BASE _AC(0x40000000, UL) -#else #define CAC_BASE _AC(0x80000000, UL) -#endif +#ifndef IO_BASE #define IO_BASE _AC(0xa0000000, UL) +#endif +#ifndef UNCAC_BASE #define UNCAC_BASE _AC(0xa0000000, UL) +#endif #ifndef MAP_BASE -#ifdef CONFIG_KVM_GUEST -#define MAP_BASE _AC(0x60000000, UL) -#else #define MAP_BASE _AC(0xc0000000, UL) #endif -#endif /* * Memory above this physical address will be considered highmem. @@ -43,16 +49,14 @@ #define HIGHMEM_START _AC(0x20000000, UL) #endif +#define CKSEG0ADDR_OR_64BIT(x) CKSEG0ADDR(x) +#define CKSEG1ADDR_OR_64BIT(x) CKSEG1ADDR(x) #endif /* CONFIG_32BIT */ #ifdef CONFIG_64BIT #ifndef CAC_BASE -#ifdef CONFIG_DMA_NONCOHERENT -#define CAC_BASE _AC(0x9800000000000000, UL) -#else -#define CAC_BASE _AC(0xa800000000000000, UL) -#endif +#define CAC_BASE PHYS_TO_XKPHYS(read_c0_config() & CONF_CM_CMASK, 0) #endif #ifndef IO_BASE @@ -80,6 +84,8 @@ #define TO_CAC(x) (CAC_BASE | ((x) & TO_PHYS_MASK)) #define TO_UNCAC(x) (UNCAC_BASE | ((x) & TO_PHYS_MASK)) +#define CKSEG0ADDR_OR_64BIT(x) TO_CAC(x) +#define CKSEG1ADDR_OR_64BIT(x) TO_UNCAC(x) #endif /* CONFIG_64BIT */ /* |