diff options
Diffstat (limited to 'arch/arm/include/asm/mach')
| -rw-r--r-- | arch/arm/include/asm/mach/arch.h | 98 | ||||
| -rw-r--r-- | arch/arm/include/asm/mach/dma.h | 51 | ||||
| -rw-r--r-- | arch/arm/include/asm/mach/flash.h | 36 | ||||
| -rw-r--r-- | arch/arm/include/asm/mach/irq.h | 30 | ||||
| -rw-r--r-- | arch/arm/include/asm/mach/map.h | 65 | ||||
| -rw-r--r-- | arch/arm/include/asm/mach/pci.h | 86 | ||||
| -rw-r--r-- | arch/arm/include/asm/mach/sharpsl_param.h | 33 | ||||
| -rw-r--r-- | arch/arm/include/asm/mach/time.h | 15 |
8 files changed, 414 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h new file mode 100644 index 000000000..eec0c0bda --- /dev/null +++ b/arch/arm/include/asm/mach/arch.h @@ -0,0 +1,98 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/include/asm/mach/arch.h + * + * Copyright (C) 2000 Russell King + */ + +#include <linux/types.h> + +#ifndef __ASSEMBLY__ +#include <linux/reboot.h> + +struct tag; +struct pt_regs; +struct smp_operations; +#ifdef CONFIG_SMP +#define smp_ops(ops) (&(ops)) +#define smp_init_ops(ops) (&(ops)) +#else +#define smp_ops(ops) (struct smp_operations *)NULL +#define smp_init_ops(ops) (bool (*)(void))NULL +#endif + +struct machine_desc { + unsigned int nr; /* architecture number */ + const char *name; /* architecture name */ + unsigned long atag_offset; /* tagged list (relative) */ + const char *const *dt_compat; /* array of device tree + * 'compatible' strings */ + + unsigned int nr_irqs; /* number of IRQs */ + +#ifdef CONFIG_ZONE_DMA + phys_addr_t dma_zone_size; /* size of DMA-able area */ +#endif + + unsigned int video_start; /* start of video RAM */ + unsigned int video_end; /* end of video RAM */ + + unsigned char reserve_lp0 :1; /* never has lp0 */ + unsigned char reserve_lp1 :1; /* never has lp1 */ + unsigned char reserve_lp2 :1; /* never has lp2 */ + enum reboot_mode reboot_mode; /* default restart mode */ + unsigned l2c_aux_val; /* L2 cache aux value */ + unsigned l2c_aux_mask; /* L2 cache aux mask */ + void (*l2c_write_sec)(unsigned long, unsigned); + const struct smp_operations *smp; /* SMP operations */ + bool (*smp_init)(void); + void (*fixup)(struct tag *, char **); + void (*dt_fixup)(void); + long long (*pv_fixup)(void); + void (*reserve)(void);/* reserve mem blocks */ + void (*map_io)(void);/* IO mapping function */ + void (*init_early)(void); + void (*init_irq)(void); + void (*init_time)(void); + void (*init_machine)(void); + void (*init_late)(void); +#ifdef CONFIG_GENERIC_IRQ_MULTI_HANDLER + void (*handle_irq)(struct pt_regs *); +#endif + void (*restart)(enum reboot_mode, const char *); +}; + +/* + * Current machine - only accessible during boot. + */ +extern const struct machine_desc *machine_desc; + +/* + * Machine type table - also only accessible during boot + */ +extern const struct machine_desc __arch_info_begin[], __arch_info_end[]; +#define for_each_machine_desc(p) \ + for (p = __arch_info_begin; p < __arch_info_end; p++) + +/* + * Set of macros to define architecture features. This is built into + * a table by the linker. + */ +#define MACHINE_START(_type,_name) \ +static const struct machine_desc __mach_desc_##_type \ + __used \ + __section(".arch.info.init") = { \ + .nr = MACH_TYPE_##_type, \ + .name = _name, + +#define MACHINE_END \ +}; + +#define DT_MACHINE_START(_name, _namestr) \ +static const struct machine_desc __mach_desc_##_name \ + __used \ + __section(".arch.info.init") = { \ + .nr = ~0, \ + .name = _namestr, + +#endif diff --git a/arch/arm/include/asm/mach/dma.h b/arch/arm/include/asm/mach/dma.h new file mode 100644 index 000000000..1506422af --- /dev/null +++ b/arch/arm/include/asm/mach/dma.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/include/asm/mach/dma.h + * + * Copyright (C) 1998-2000 Russell King + * + * This header file describes the interface between the generic DMA handler + * (dma.c) and the architecture-specific DMA backends (dma-*.c) + */ + +struct dma_struct; +typedef struct dma_struct dma_t; + +struct dma_ops { + int (*request)(unsigned int, dma_t *); /* optional */ + void (*free)(unsigned int, dma_t *); /* optional */ + void (*enable)(unsigned int, dma_t *); /* mandatory */ + void (*disable)(unsigned int, dma_t *); /* mandatory */ + int (*residue)(unsigned int, dma_t *); /* optional */ + int (*setspeed)(unsigned int, dma_t *, int); /* optional */ + const char *type; +}; + +struct dma_struct { + void *addr; /* single DMA address */ + unsigned long count; /* single DMA size */ + struct scatterlist buf; /* single DMA */ + int sgcount; /* number of DMA SG */ + struct scatterlist *sg; /* DMA Scatter-Gather List */ + + unsigned int active:1; /* Transfer active */ + unsigned int invalid:1; /* Address/Count changed */ + + unsigned int dma_mode; /* DMA mode */ + int speed; /* DMA speed */ + + unsigned int lock; /* Device is allocated */ + const char *device_id; /* Device name */ + + const struct dma_ops *d_ops; +}; + +/* + * isa_dma_add - add an ISA-style DMA channel + */ +extern int isa_dma_add(unsigned int, dma_t *dma); + +/* + * Add the ISA DMA controller. Always takes channels 0-7. + */ +extern void isa_init_dma(void); diff --git a/arch/arm/include/asm/mach/flash.h b/arch/arm/include/asm/mach/flash.h new file mode 100644 index 000000000..c9cbfdefc --- /dev/null +++ b/arch/arm/include/asm/mach/flash.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/include/asm/mach/flash.h + * + * Copyright (C) 2003 Russell King, All Rights Reserved. + */ +#ifndef ASMARM_MACH_FLASH_H +#define ASMARM_MACH_FLASH_H + +struct mtd_partition; +struct mtd_info; + +/* + * map_name: the map probe function name + * name: flash device name (eg, as used with mtdparts=) + * width: width of mapped device + * init: method called at driver/device initialisation + * exit: method called at driver/device removal + * set_vpp: method called to enable or disable VPP + * mmcontrol: method called to enable or disable Sync. Burst Read in OneNAND + * parts: optional array of mtd_partitions for static partitioning + * nr_parts: number of mtd_partitions for static partitioning + */ +struct flash_platform_data { + const char *map_name; + const char *name; + unsigned int width; + int (*init)(void); + void (*exit)(void); + void (*set_vpp)(int on); + void (*mmcontrol)(struct mtd_info *mtd, int sync_read); + struct mtd_partition *parts; + unsigned int nr_parts; +}; + +#endif diff --git a/arch/arm/include/asm/mach/irq.h b/arch/arm/include/asm/mach/irq.h new file mode 100644 index 000000000..dfe832a3b --- /dev/null +++ b/arch/arm/include/asm/mach/irq.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/include/asm/mach/irq.h + * + * Copyright (C) 1995-2000 Russell King. + */ +#ifndef __ASM_ARM_MACH_IRQ_H +#define __ASM_ARM_MACH_IRQ_H + +#include <linux/irq.h> + +struct seq_file; + +/* + * This is internal. Do not use it. + */ +extern void init_FIQ(int); +extern int show_fiq_list(struct seq_file *, int); + +/* + * This is for easy migration, but should be changed in the source + */ +#define do_bad_IRQ(desc) \ +do { \ + raw_spin_lock(&desc->lock); \ + handle_bad_irq(desc); \ + raw_spin_unlock(&desc->lock); \ +} while(0) + +#endif diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h new file mode 100644 index 000000000..2b8970d8e --- /dev/null +++ b/arch/arm/include/asm/mach/map.h @@ -0,0 +1,65 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/include/asm/map.h + * + * Copyright (C) 1999-2000 Russell King + * + * Page table mapping constructs and function prototypes + */ +#ifndef __ASM_MACH_MAP_H +#define __ASM_MACH_MAP_H + +#include <asm/io.h> + +struct map_desc { + unsigned long virtual; + unsigned long pfn; + unsigned long length; + unsigned int type; +}; + +/* types 0-3 are defined in asm/io.h */ +enum { + MT_UNCACHED = 4, + MT_CACHECLEAN, + MT_MINICLEAN, + MT_LOW_VECTORS, + MT_HIGH_VECTORS, + MT_MEMORY_RWX, + MT_MEMORY_RW, + MT_MEMORY_RO, + MT_ROM, + MT_MEMORY_RWX_NONCACHED, + MT_MEMORY_RW_DTCM, + MT_MEMORY_RWX_ITCM, + MT_MEMORY_RW_SO, + MT_MEMORY_DMA_READY, +}; + +#ifdef CONFIG_MMU +extern void iotable_init(struct map_desc *, int); +extern void vm_reserve_area_early(unsigned long addr, unsigned long size, + void *caller); +extern void create_mapping_late(struct mm_struct *mm, struct map_desc *md, + bool ng); + +#ifdef CONFIG_DEBUG_LL +extern void debug_ll_addr(unsigned long *paddr, unsigned long *vaddr); +extern void debug_ll_io_init(void); +#else +static inline void debug_ll_io_init(void) {} +#endif + +struct mem_type; +extern const struct mem_type *get_mem_type(unsigned int type); +/* + * external interface to remap single page with appropriate type + */ +extern int ioremap_page(unsigned long virt, unsigned long phys, + const struct mem_type *mtype); +#else +#define iotable_init(map,num) do { } while (0) +#define vm_reserve_area_early(a,s,c) do { } while (0) +#endif + +#endif diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h new file mode 100644 index 000000000..ea9bd0889 --- /dev/null +++ b/arch/arm/include/asm/mach/pci.h @@ -0,0 +1,86 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/include/asm/mach/pci.h + * + * Copyright (C) 2000 Russell King + */ + +#ifndef __ASM_MACH_PCI_H +#define __ASM_MACH_PCI_H + +#include <linux/ioport.h> + +struct pci_sys_data; +struct pci_ops; +struct pci_bus; +struct pci_host_bridge; +struct device; + +struct hw_pci { + struct pci_ops *ops; + int nr_controllers; + void **private_data; + int (*setup)(int nr, struct pci_sys_data *); + int (*scan)(int nr, struct pci_host_bridge *); + void (*preinit)(void); + void (*postinit)(void); + u8 (*swizzle)(struct pci_dev *dev, u8 *pin); + int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin); +}; + +/* + * Per-controller structure + */ +struct pci_sys_data { + struct list_head node; + int busnr; /* primary bus number */ + u64 mem_offset; /* bus->cpu memory mapping offset */ + unsigned long io_offset; /* bus->cpu IO mapping offset */ + struct pci_bus *bus; /* PCI bus */ + struct list_head resources; /* root bus resources (apertures) */ + struct resource io_res; + char io_res_name[12]; + /* Bridge swizzling */ + u8 (*swizzle)(struct pci_dev *, u8 *); + /* IRQ mapping */ + int (*map_irq)(const struct pci_dev *, u8, u8); + void *private_data; /* platform controller private data */ +}; + +/* + * Call this with your hw_pci struct to initialise the PCI system. + */ +void pci_common_init_dev(struct device *, struct hw_pci *); + +/* + * Compatibility wrapper for older platforms that do not care about + * passing the parent device. + */ +static inline void pci_common_init(struct hw_pci *hw) +{ + pci_common_init_dev(NULL, hw); +} + +/* + * Setup early fixed I/O mapping. + */ +#if defined(CONFIG_PCI) +extern void pci_map_io_early(unsigned long pfn); +#else +static inline void pci_map_io_early(unsigned long pfn) {} +#endif + +/* + * PCI controllers + */ +extern struct pci_ops iop3xx_ops; +extern int iop3xx_pci_setup(int nr, struct pci_sys_data *); +extern void iop3xx_pci_preinit(void); +extern void iop3xx_pci_preinit_cond(void); + +extern struct pci_ops dc21285_ops; +extern int dc21285_setup(int nr, struct pci_sys_data *); +extern void dc21285_preinit(void); +extern void dc21285_postinit(void); + +#endif /* __ASM_MACH_PCI_H */ diff --git a/arch/arm/include/asm/mach/sharpsl_param.h b/arch/arm/include/asm/mach/sharpsl_param.h new file mode 100644 index 000000000..700a377c2 --- /dev/null +++ b/arch/arm/include/asm/mach/sharpsl_param.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Hardware parameter area specific to Sharp SL series devices + * + * Copyright (c) 2005 Richard Purdie + * + * Based on Sharp's 2.4 kernel patches + */ + +struct sharpsl_param_info { + unsigned int comadj_keyword; + unsigned int comadj; + + unsigned int uuid_keyword; + unsigned char uuid[16]; + + unsigned int touch_keyword; + unsigned int touch_xp; + unsigned int touch_yp; + unsigned int touch_xd; + unsigned int touch_yd; + + unsigned int adadj_keyword; + unsigned int adadj; + + unsigned int phad_keyword; + unsigned int phadadj; +} __attribute__((packed)); + + +extern struct sharpsl_param_info sharpsl_param; +extern void sharpsl_save_param(void); + diff --git a/arch/arm/include/asm/mach/time.h b/arch/arm/include/asm/mach/time.h new file mode 100644 index 000000000..d75d39280 --- /dev/null +++ b/arch/arm/include/asm/mach/time.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/include/asm/mach/time.h + * + * Copyright (C) 2004 MontaVista Software, Inc. + */ +#ifndef __ASM_ARM_MACH_TIME_H +#define __ASM_ARM_MACH_TIME_H + +extern void timer_tick(void); + +typedef void (*clock_access_fn)(struct timespec64 *); +extern int register_persistent_clock(clock_access_fn read_persistent); + +#endif |