diff --git a/driver/cache/Makefile b/driver/cache/Makefile deleted file mode 100644 index 01ade28..0000000 --- a/driver/cache/Makefile +++ /dev/null @@ -1,25 +0,0 @@ -export ARCH=arm64 -export CROSS_COMPILE=aarch64-linux-gnu- -#KERNELDIR = /public/liweihua/workspace/linux-5.15.40 -KERNELDIR = /public/liweihua/workspace/linux-5.10.165 -OBJ = SM_DDR - -PWD = $(shell pwd) -# Kernel modules -ifeq ($(OBJ),SM_DDR) - obj-m=ucp4008cache.o - #ucp4008cache-objs=osp_sm_ddr.o - #ucp4008cache-objs = cache.o osp_sm_ddr.o - ucp4008cache-y:=osp_sm_ddr.o cache.o -endif - -# Specify flags for the module compilation. -ccflags-y = -g -O0 -#INCLUDE += -l./../../common/ -build: kernel_modules -kernel_modules: - make -C $(KERNELDIR) M=$(PWD) modules -clean: - make -C $(KERNELDIR) M=$(PWD) clean - - diff --git a/driver/cache/cache.S b/driver/cache/cache.S deleted file mode 100644 index 833a460..0000000 --- a/driver/cache/cache.S +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Cache maintenance - * - * Copyright (C) 2001 Deep Blue Solutions Ltd. - * Copyright (C) 2012 ARM Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program 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 this program. If not, see . - */ - -#include -#include -#include -//#include -#include -#include - -/* - * dcache_line_size - get the safe D-cache line size across all CPUs - */ - .macro mydcache_line_size, reg, tmp - //read_ctr \tmp - mrs \tmp, ctr_el0 - ubfm \tmp, \tmp, #16, #19 // cache line size encoding - mov \reg, #4 // bytes per word - lsl \reg, \reg, \tmp // actual cache line size - .endm - -/* - * __inval_dcache_area(kaddr, size) - * - * Ensure that any D-cache lines for the interval [kaddr, kaddr+size) - * are invalidated. Any partial lines at the ends of the interval are - * also cleaned to PoC to prevent data loss. - * - * - kaddr - kernel address - * - size - size in question - */ -SYM_FUNC_START(__myinval_dcache_area) - /* FALLTHROUGH */ -/* - * __dma_inv_area(start, size) - * - start - virtual start address of region - * - size - size in question - */ -__mydma_inv_area: - add x1, x1, x0 - mydcache_line_size x2, x3 - sub x3, x2, #1 - tst x1, x3 // end cache line aligned? - bic x1, x1, x3 - b.eq 1f - dc civac, x1 // clean & invalidate D / U line -1: tst x0, x3 // start cache line aligned? - bic x0, x0, x3 - b.eq 2f - dc civac, x0 // clean & invalidate D / U line - b 3f -2: dc ivac, x0 // invalidate D / U line -3: add x0, x0, x2 - cmp x0, x1 - b.lo 2b - dsb sy - ret -//ENDPIPROC(__myinval_dcache_area) -//SYM_FUNC_END(__mydma_inv_area) -SYM_FUNC_END(__myinval_dcache_area) - - diff --git a/driver/cache/osp_sm_ddr.c b/driver/cache/osp_sm_ddr.c deleted file mode 100644 index e193a17..0000000 --- a/driver/cache/osp_sm_ddr.c +++ /dev/null @@ -1,532 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - - -/*函数原型*/ -static int __init ucp_sm_ddr_module_init(void); -int ucp_sm_ddr_cache_open(struct inode *inode, struct file *filp); -int ucp_sm_ddr_noncache_open(struct inode *inode, struct file *filp); - -int ucp_sm_ddr_cache_release(struct inode *inode, struct file *filp); -int ucp_sm_ddr_noncache_release(struct inode *inode, struct file *filp); - -ssize_t ucp_sm_ddr_cache_read(struct file *filp, char __user *buf, size_t size_in, loff_t *ppos); -ssize_t ucp_sm_ddr_noncache_read(struct file *filp, char __user *buf, size_t size_in, loff_t *ppos); - -ssize_t ucp_sm_ddr_cache_write(struct file *filp, char __user *buf, size_t size, loff_t *ppos); -ssize_t ucp_sm_ddr_noncache_write(struct file *filp, char __user *buf, size_t size, loff_t *ppos); - -static long ucp_sm_ddr_cache_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); -static long ucp_sm_ddr_noncache_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); - -static int ucp_sm_ddr_cache_mmap(struct file *filp, struct vm_area_struct *vma); -static int ucp_sm_ddr_noncache_mmap(struct file *filp, struct vm_area_struct *vma); - -static ssize_t ucp_mem_show(struct device *dev,struct device_attribute *attr, char *buf); -static void __exit ucp_sm_ddr_module_exit(void); - -extern void __myinval_dcache_area(unsigned long vir_cache_add, unsigned long len); - - - -static const struct vm_operations_struct osp_mmap_mem_ops = { -#ifdef CONFIG_HAVE_IOREMAP_PROT - .access = generic_access_phys -#endif -}; - - - -/*申请设备名称*/ -#define DEVICE_NAME_SM_DDR_CACHE "ucp_sm_ddr_cache" -#define DEVICE_NAME_SM_DDR_NONCACHE "ucp_sm_ddr_noncache" - - -/*设备物理地址*/ -#if 1 //4008 add -#define ECS_SM_BASE 0x07200000ul -#define PET_SM_BASE 0x08700000ul -#define SHARE_SM_BASE 0x09d00000ul -#define DDR_BASE 0x10000000ul -#define ARM_APE_MSG_BASE_PHY_ADDR 0x0A0000000UL -#define ARM_STACK_BASE_PHY_ADDR 0x100000000UL //0x0B8000000UL - - - - - -/*size num*/ -#define S128KB 0x00020000ul // 128K -#define S8MB 0x00800000ul // 8M -#define S16GB 0x1F0000000ul //0x400000000ul // 16G -#define LEN_OF_ARM_STACK 0x100000000UL -#define LEN_OF_ARM_APE_MSG 0x008000000UL - - -/*设备空间大小*/ -#define ECS_SM_SIZE 0x000060000UL -#define ECS_SM_MAX 0x00725fffful - -#define PET_SM_SIZE 0x000060000UL -#define PET_SM_MAX 0x00875fffful - -#define SHARE_SM_SIZE S8MB -#define SHARE_SM_MAX 0x0a4ffffful - - -#define DDR_SIZE S16GB -#define DDR_MAX 0x1fffffffful - - -#endif - - -#if 0 //1002 add -#define ECS_SM_BASE 0x02360000ul -#define PET_SM_BASE 0x03860000ul - -#define SHARE_SM_BASE 0x04e60000ul -#define DDR_BASE 0x10000000ul - -#define S128KB 0x00020000ul // 128K -#define S8MB 0x00800000ul // 8M -#define S16GB 0x400000000ul // 16G - -#define ECS_SM_SIZE S128KB -#define ECS_SM_MAX 0x0237fffful - -#define PET_SM_SIZE S128KB -#define PET_SM_MAX 0x0387fffful - -#define SHARE_SM_SIZE S8MB -#define SHARE_SM_MAX 0x0565fffful - -#define DDR_SIZE S16GB - -#define DDR_MAX 0x40ffffffful - -#endif - - - -/*error num*/ -#define EINVAL 22 /* Invalid argument */ - - -/*全局变量声明初始化*/ - -/*file operation structure*/ -static const struct file_operations ucp_sm_ddr_cache_fops = -{ - .owner = THIS_MODULE, - .open = ucp_sm_ddr_cache_open, - .unlocked_ioctl = ucp_sm_ddr_cache_ioctl, - .mmap = ucp_sm_ddr_cache_mmap, - .release = ucp_sm_ddr_cache_release, -}; - -static const struct file_operations ucp_sm_ddr_noncache_fops = -{ - .owner = THIS_MODULE, - .open = ucp_sm_ddr_noncache_open, - .unlocked_ioctl = ucp_sm_ddr_noncache_ioctl, - .mmap = ucp_sm_ddr_noncache_mmap, - .release = ucp_sm_ddr_noncache_release, -}; - - - -static struct miscdevice ucp_sm_ddr_cache_miscdev = { - .minor = MISC_DYNAMIC_MINOR, - .name = DEVICE_NAME_SM_DDR_CACHE, - .fops = &ucp_sm_ddr_cache_fops, -}; - -static struct miscdevice ucp_sm_ddr_noncache_miscdev = { - .minor = MISC_DYNAMIC_MINOR, - .name = DEVICE_NAME_SM_DDR_NONCACHE, - .fops = &ucp_sm_ddr_noncache_fops, -}; - - -void __iomem * g_vir_ecs_sm_cache_add = NULL; -void __iomem * g_vir_pet_sm_cache_add = NULL; -void __iomem * g_vir_share_sm_cache_add = NULL; -void __iomem * g_vir_ddr_cache_add = NULL; -void __iomem * g_vir_msg_cache_add = NULL; -void __iomem * g_vir_stack_cache_add = NULL; - - - -static DEVICE_ATTR(ucp_sm_ddr_cache, S_IRUGO, ucp_mem_show, NULL); -static DEVICE_ATTR(ucp_sm_ddr_noncache, S_IRUGO, ucp_mem_show, NULL); - -/********************************************************************/ -/*********************sm0~sm5 & ddr driver init function********************/ -/********************************************************************/ -static int __init ucp_sm_ddr_module_init(void) -{ - int iRet=0; - - /*注册 设备驱动*/ - iRet = misc_register(&ucp_sm_ddr_cache_miscdev); - if(iRet) - { - goto sm_ddr_misc_err; - } - iRet = misc_register(&ucp_sm_ddr_noncache_miscdev); - if(iRet) - { - goto sm_ddr_misc_err; - } - - /*在/sys/class 目录下创建对应的属性文件*/ - iRet = device_create_file(ucp_sm_ddr_cache_miscdev.this_device, &dev_attr_ucp_sm_ddr_cache); - if (iRet) - { - goto sm_ddr_cache_attr_err; - printk(KERN_EMERG "ucp_sm_ddr_cache_module_init failed \r\n"); - - } - - printk(KERN_EMERG "ucp_sm_ddr_cache_module_init ok cat /sys/devices/virtual/misc/ucp_sm_ddr_cache\r\n"); - - iRet = device_create_file(ucp_sm_ddr_noncache_miscdev.this_device, &dev_attr_ucp_sm_ddr_noncache); - if (iRet) - { - goto sm_ddr_noncache_attr_err; - printk(KERN_EMERG "ucp_sm_ddr_noncache_module_init failed \r\n"); - - } - - printk(KERN_EMERG "ucp_sm_ddr_noncache_module_init ok cat /sys/devices/virtual/misc/ucp_sm_ddr_noncache\r\n"); - - g_vir_ecs_sm_cache_add = ioremap(ECS_SM_BASE, ECS_SM_SIZE); - - g_vir_pet_sm_cache_add = ioremap(PET_SM_BASE, PET_SM_SIZE); - - g_vir_share_sm_cache_add = ioremap(SHARE_SM_BASE, SHARE_SM_SIZE); - - g_vir_msg_cache_add = ioremap(ARM_APE_MSG_BASE_PHY_ADDR, LEN_OF_ARM_APE_MSG); - g_vir_stack_cache_add = ioremap(ARM_STACK_BASE_PHY_ADDR, LEN_OF_ARM_STACK); - - - printk(KERN_EMERG "globle g_vir_ecs_sm_cache_add = 0x%lx \n ",(uint64_t)g_vir_ecs_sm_cache_add); - - printk(KERN_EMERG "globle g_vir_pet_sm_cache_add = 0x%lx \n ",(uint64_t)g_vir_pet_sm_cache_add); - - printk(KERN_EMERG "globle g_vir_share_sm_cache_add = 0x%lx \n ",(uint64_t)g_vir_share_sm_cache_add); - - //printk(KERN_EMERG "globle g_vir_ddr_cache_add = 0x%lx \n ",g_vir_ddr_cache_add); - - printk(KERN_EMERG "globle g_vir_msg_cache_add = 0x%lx \n ",(uint64_t)g_vir_msg_cache_add); - - printk(KERN_EMERG "globle g_vir_stack_cache_add = 0x%lx \n ",(uint64_t)g_vir_stack_cache_add); - - return 0; - -sm_ddr_cache_attr_err: - misc_deregister(&ucp_sm_ddr_cache_miscdev); -sm_ddr_noncache_attr_err: - misc_deregister(&ucp_sm_ddr_noncache_miscdev); -sm_ddr_misc_err: - return -EINVAL; -} -/********************************************************************/ -/********************************************************************/ - - - -/********************************************************************/ -/*********************sm0~sm5 & ddr driver open function********************/ -/********************************************************************/ -int ucp_sm_ddr_cache_open(struct inode *inode, struct file *filp) -{ - /* device structure pointer assgined to file private data pointer */ - printk("enter %s\n",__func__); - return 0; -} -int ucp_sm_ddr_noncache_open(struct inode *inode, struct file *filp) -{ - /* device structure pointer assgined to file private data pointer */ - printk("enter %s\n",__func__); - return 0; -} - -/********************************************************************/ -/********************************************************************/ - - -/********************************************************************/ -/*********************sm0~sm5 & ddr driver release function*******************/ -/********************************************************************/ -int ucp_sm_ddr_cache_release(struct inode *inode, struct file *filp) -{ - return 0; -} -int ucp_sm_ddr_noncache_release(struct inode *inode, struct file *filp) -{ - return 0; -} - -/********************************************************************/ -/********************************************************************/ - - - -/********************************************************************/ -/*********************sm0~sm5 & ddr driver read function*******************/ -/********************************************************************/ -ssize_t ucp_sm_ddr_cache_read(struct file *filp, char __user *buf, size_t size_in, loff_t *ppos) -{ - return 0; -} -ssize_t ucp_sm_ddr_noncache_read(struct file *filp, char __user *buf, size_t size_in, loff_t *ppos) -{ - return 0; -} - -/********************************************************************/ -/********************************************************************/ - - - -/********************************************************************/ -/*********************sm0~sm5 & ddr driver write function*******************/ -/********************************************************************/ -ssize_t ucp_sm_ddr_cache_write(struct file *filp, char __user *buf, size_t size, loff_t *ppos) -{ - return 0; -} -ssize_t ucp_sm_ddr_noncache_write(struct file *filp, char __user *buf, size_t size, loff_t *ppos) -{ - return 0; -} - -/********************************************************************/ -/********************************************************************/ - - - -/********************************************************************/ -/*********************sm0~sm5 & ddr driver ioctl function*******************/ -/********************************************************************/ -static long ucp_sm_ddr_cache_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) -{ - - void __iomem *vir_cache_add = NULL; - - unsigned long uiOffset= 0, addr = arg, len = cmd; - - - //printk("enter %s\n\n",__func__); - - //printk("addr = %#lx len = %#lx\n\n",cmd,arg); - - if(addr >= ECS_SM_BASE && addr <= ECS_SM_MAX) - { - - uiOffset = addr - ECS_SM_BASE; - - vir_cache_add = g_vir_ecs_sm_cache_add + uiOffset ; - - } - else if(addr >= PET_SM_BASE && addr <= PET_SM_MAX) - { - - uiOffset = addr - PET_SM_BASE; - - vir_cache_add = g_vir_pet_sm_cache_add + uiOffset ; - - } - else if(addr >= SHARE_SM_BASE && addr <= SHARE_SM_MAX) - { - - uiOffset = addr - SHARE_SM_BASE; - - vir_cache_add = g_vir_share_sm_cache_add + uiOffset ; - - } - else if(addr >= ARM_APE_MSG_BASE_PHY_ADDR && addr < ARM_APE_MSG_BASE_PHY_ADDR + LEN_OF_ARM_APE_MSG) - { - - uiOffset = addr - ARM_APE_MSG_BASE_PHY_ADDR; - - vir_cache_add = g_vir_msg_cache_add + uiOffset ; - } - else if(addr >= ARM_STACK_BASE_PHY_ADDR && addr < ARM_STACK_BASE_PHY_ADDR + LEN_OF_ARM_STACK) - { - - uiOffset = addr - ARM_STACK_BASE_PHY_ADDR; - - vir_cache_add = g_vir_stack_cache_add + uiOffset ; - } - else - { - - printk("ucp_sm_ddr_cache_ioctl phy add out of range \n "); - - return -1; - } - - //__mydma_inv_area(vir_cache_add, arg); - __myinval_dcache_area((unsigned long)vir_cache_add, len); - - - return 0; -} - -static long ucp_sm_ddr_noncache_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) -{ - return 0; -} - -/********************************************************************/ -/********************************************************************/ - - -/********************************************************************/ -/*********************sm0~sm5 & ddr driver mmap function*******************/ -/********************************************************************/ -static int ucp_sm_ddr_cache_mmap(struct file *filp, struct vm_area_struct *vma) -{ - - unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; - unsigned long vmsize = vma->vm_end - vma->vm_start; - unsigned long psize = PAGE_SIZE - offset; - pgprot_t prot = vma->vm_page_prot; - - /* 设置IO标志 */ - - /*if(vmsize > psize) { - - return -ENXIO; - }*/ - printk("enter %s,phyaddr = %#lx,vm_start = %#lx\n",__func__,offset,vma->vm_start); - //printk(KERN_EMERG "titan : cached mode is cache \n"); - //printk(KERN_EMERG "titan : vma->vm_pgoff = 0x%x \n",offset); - - vma->vm_ops = &osp_mmap_mem_ops; - - if(remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, vmsize, prot) != 0) { - - return -EAGAIN; - } - - //printk(KERN_EMERG "titan : vma->vm_start = 0x%x \n",vma->vm_start); - - return 0; - - -} - -static int ucp_sm_ddr_noncache_mmap(struct file *filp, struct vm_area_struct *vma) -{ - - unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; - unsigned long vmsize = vma->vm_end - vma->vm_start; - unsigned long psize = PAGE_SIZE - offset; - pgprot_t prot = vma->vm_page_prot; - - /* 设置IO标志 */ - -// vir_sm_noncache_add = ioremap_nocache(SM_BASE, SM_SIZE); - -// vir_ddr_noncache_add = ioremap_nocache(DDR_BASE, DDR_SIZE); - - - /*if(vmsize > psize) { - - return -ENXIO; - } */ - printk("enter %s,phyaddr = %#lx,vm_start = %#lx\n",__func__,offset,vma->vm_start); - - //printk(KERN_EMERG "titan : vma->vm_pgoff = 0x%x \n",offset); - - prot = pgprot_writecombine(prot); - - vma->vm_ops = &osp_mmap_mem_ops; - - //printk(KERN_EMERG "titan : cached mode is non cache \n"); - - if(remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, vmsize, prot) != 0) { - - return -EAGAIN; - } - - return 0; -} - - -/********************************************************************/ -/********************************************************************/ -static ssize_t ucp_mem_show(struct device *dev,struct device_attribute *attr, char *buf) -{ - return 0; -} - -/********************************************************************/ -/*********************sm0~sm5 & ddr driver exit function*******************/ -/********************************************************************/ -/* module unload function*/ -static void __exit ucp_sm_ddr_module_exit(void) -{ - - iounmap(g_vir_ecs_sm_cache_add); - iounmap(g_vir_pet_sm_cache_add); - iounmap(g_vir_share_sm_cache_add); - iounmap(g_vir_ddr_cache_add); - - - device_remove_file(ucp_sm_ddr_cache_miscdev.this_device, &dev_attr_ucp_sm_ddr_cache); - device_remove_file(ucp_sm_ddr_noncache_miscdev.this_device, &dev_attr_ucp_sm_ddr_noncache); - - - misc_deregister(&ucp_sm_ddr_cache_miscdev); - misc_deregister(&ucp_sm_ddr_noncache_miscdev); - - - -} -/********************************************************************/ -/********************************************************************/ - - -/* - * a simple char device driver: ExtInt without mutex - * - * Copyright (C) 2014 Barry Song (baohua@kernel.org) - * - * Licensed under GPLv2 or later. - */ - - -MODULE_AUTHOR ("lte team"); -MODULE_DESCRIPTION ("ucp_sm_ddr driver module" ); -MODULE_LICENSE ("GPL"); -module_init(ucp_sm_ddr_module_init); -module_exit(ucp_sm_ddr_module_exit); -MODULE_INFO(intree, "Y"); - - - - - - - - diff --git a/driver/ioreg/Makefile b/driver/ioreg/Makefile deleted file mode 100644 index 67219d6..0000000 --- a/driver/ioreg/Makefile +++ /dev/null @@ -1,20 +0,0 @@ -export ARCH = arm64 -export CROSS_COMPILE = aarch64-linux-gnu- - -ARCH=arm64 -CROSS_COMPILE = aarch64-linux-gnu- - -KERNELDIR ?= /public/linboheng/workspace/ucp4008_nr_integrated_small_cell_new_kernel/kernel/linux-5.10.165 -PWD = $(shell pwd) -obj-m := ioreg.o - -# Specify flags for the module compilation. -ccflags-y = -g -O0 - -build: kernel_modules -kernel_modules: - make -C $(KERNELDIR) M=$(PWD) modules -clean: - make -C $(KERNELDIR) M=$(PWD) clean - - diff --git a/driver/ioreg/ioreg.c b/driver/ioreg/ioreg.c deleted file mode 100644 index 4064b76..0000000 --- a/driver/ioreg/ioreg.c +++ /dev/null @@ -1,182 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - - - -#define IOCTL_MMAPREG _IO('k',0x20) - - -#define DEVICE_NAME "ioreg" - -void __iomem * addr; - -/*file open function*/ -int ioreg_open(struct inode *inode, struct file *filp) -{ - /* device structure pointer assgined to file private data pointer */ - return 0; -} - -/*file release function*/ -int ioreg_release(struct inode *inode, struct file *filp) -{ - return 0; -} - -/* ioctl device control function */ -static long ioreg_ioctl(struct file *filp, u32 cmd, unsigned long arg) -{ - - u32 val; - - - switch ((int)cmd) - { - - case IOCTL_MMAPREG: - get_user(val, (unsigned long *)arg); - addr = ioremap(val, 4096); - - break; - - - - default: - return - EINVAL; - } - - return 0; -} - -ssize_t ioreg_read(struct file *filp, char __user *buf, size_t size, loff_t *ppos) -{ - - if (copy_to_user(buf, (void *)(addr), size)) - { - - return -EFAULT; - } - iounmap(addr); - return 0; -} - -ssize_t ioreg_write(struct file *filp,const char __user *buf, size_t size, loff_t *ppos) -{ - if(copy_from_user((void *)(addr), buf, size)) - { - - return -EFAULT; - } - - - iounmap(addr); - return 0; -} - -/*file operation structure*/ -static const struct file_operations ioreg_fops = -{ - .owner = THIS_MODULE, - .open = ioreg_open, - .read = ioreg_read, - .write = ioreg_write, - .unlocked_ioctl = ioreg_ioctl, - .release = ioreg_release, -}; - - - - -static struct miscdevice ioreg_miscdev = { - .minor = MISC_DYNAMIC_MINOR, - .name = DEVICE_NAME, - .fops = &ioreg_fops, -}; - - - - - - -static int __init ioreg_module_init(void) -{ - - struct device_node *np; - int ret; - - - ret = misc_register(&ioreg_miscdev); - if(ret) - { - return -1; - - } - - - printk(KERN_EMERG "ioreg_module_init ok "); - - return 0; - -} - -/* module unload function*/ -static void __exit ioreg_module_exit(void) -{ - - misc_deregister(&ioreg_miscdev); - -} - - - - - - -/* - * a simple char device driver: ExtInt without mutex - * - * Copyright (C) 2014 Barry Song (baohua@kernel.org) - * - * Licensed under GPLv2 or later. - */ - - -MODULE_AUTHOR ("lte team"); -MODULE_DESCRIPTION ("FRAME_SYNC driver module" ); -MODULE_LICENSE ("GPL"); -module_init(ioreg_module_init); -module_exit(ioreg_module_exit); - - - - - - - - - diff --git a/driver/mem_dump/mem_dump.c b/driver/mem_dump/mem_dump.c deleted file mode 100644 index 565f601..0000000 --- a/driver/mem_dump/mem_dump.c +++ /dev/null @@ -1,288 +0,0 @@ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include //remap_pfn_range - -/* 主设备号 */ -#define BSP_DEV_MAJOR 0 -/* 主设备名 */ -#define BSP_DEV_NAME "mem_dump" - -/* 模块加载函数 */ -static int osp_mem_init(void); -/* 模块卸载函数 */ -static void osp_mem_exit(void); -/* 打开设备函数 */ -int mem_bsp_open(struct inode *inode, struct file *filp); -/* 释放设备函数 */ -int mem_bsp_release(struct inode *inode, struct file *filp); -/* 读函数 */ -static ssize_t mem_bsp_read (struct file *filp, __user char *buf, size_t count, loff_t *f_pos); -/* ioctl函数 */ -long mem_bsp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); -/* mmap函数 */ -int mem_bsp_mmap(struct file *filp, struct vm_area_struct *vma); -/* 写函数 */ -ssize_t mem_bsp_write(struct file *filp, const char *buf, size_t count, loff_t *f_pos); - - - -/******************************* 局部宏定义 ***********************************/ -/* bsp 主设备号 */ - - -typedef struct mem_struct{ - int g_s32BspDevMajor ; - unsigned int g_u32CacheCoherent; - struct cdev g_struBspDev; - struct class *cls; - dev_t g_devno; - struct device *parent; - struct device *this_device; - -}mem_st; - - -/******************************* 函数实现 *************************************/ -/******************************************************************************* -* 函数名: mem_init -* 描述: 模块加载时的入口函数 -* 相关文档: -* 函数存储类型:int -* 参数: 无 -* 返回值: -* 0 成功 -* <0 失败 -* 说明：具体失败参考Linux错误信息头文件 -*******************************************************************************/ - -static mem_st mem_dev ={ - .g_s32BspDevMajor = 0, - .g_u32CacheCoherent = 0, - .g_devno = 0, - - -}; - -static struct file_operations g_struBspOp = { - .owner = THIS_MODULE, - .read = mem_bsp_read, - .write = mem_bsp_write, - .open = mem_bsp_open, - .release = mem_bsp_release, - .mmap = mem_bsp_mmap, - .unlocked_ioctl = mem_bsp_ioctl, -}; - -static int osp_mem_init(void) -{ - /*函数调用结果*/ - int result; - /*设备编号*/ - dev_t devno; - - printk("bsp_init.\n"); - - /* 获取设备号 */ - if (0 == mem_dev.g_s32BspDevMajor) - { - /* 分配设备区域 */ - result = alloc_chrdev_region(&devno, 0, 1, BSP_DEV_NAME); - - /* 判断返回值 */ - if (result < 0) - { - printk(KERN_WARNING "bsp: alloc_chrdev_region error! errno = %d\n", result); - return result; - } - mem_dev.g_devno = devno; - /* 保存主设备号信息 */ - mem_dev.g_s32BspDevMajor = MAJOR(devno); - - /* 初始化dev变量 */ - cdev_init(&(mem_dev.g_struBspDev), &g_struBspOp); - /* 设备dev相应变量值 */ - mem_dev.g_struBspDev.owner = THIS_MODULE; - mem_dev.g_struBspDev.ops = &g_struBspOp; - /* 向系统增加dev设备 */ - result = cdev_add(&mem_dev.g_struBspDev, devno, 1); - if (result < 0) - { - printk ("cdev_add error!errno = %d", result); - } - - // ret = device_create_file(ucp_smem_miscdev.this_device, &dev_attr_ucp_smem); - mem_dev.cls = class_create(THIS_MODULE, "mem_dump"); - device_create(mem_dev.cls, NULL, devno, NULL, "mem_dump"); - - printk("bsp module init success!\n"); - /* 返回成功 */ - return 0; - } - else - { - printk("bsp module already init!\n"); - /* 返回 */ - return -EBUSY; - } -} - -/******************************************************************************* -* 函数名: ad9371_exit -* 描述: 模块卸载函数 -* 相关文档: -* 函数存储类型:void -* 参数: 无 -* 返回值: 无 -* 说明： -*******************************************************************************/ -static void osp_mem_exit(void) -{ - /* 判断是否执行过模块加载 */ - if(mem_dev.g_s32BspDevMajor > 0) - { - /* 删除该字符设备 */ - device_destroy(mem_dev.cls, mem_dev.g_devno); - class_destroy(mem_dev.cls); - cdev_del(&(mem_dev.g_struBspDev)); - /* 释放已分配的空间 */ - unregister_chrdev_region(MKDEV(mem_dev.g_s32BspDevMajor, 0), 1); - /* 清空主设备号 */ - mem_dev.g_s32BspDevMajor = 0; - /* 调试信息输出 */ - printk("bsp module cleanup success!\n"); - - } - return; -} - -/******************************************************************************* -* 函数名: ad9731_bsp_open -* 描述: 打开文件 -* 相关文档: -* 函数存储类型:int -* 参数: -* -* 参数名 类型 输入/输出 描述 -* -------- ---- --- ----------- -* inode struct inode* input 文件节点结构 -* filp struct file* input 文件结构 -* 返回值: -* 0 成功 -* 说明： -*******************************************************************************/ -int mem_bsp_open(struct inode *inode, struct file *filp) -{ - return 0; -} - -/******************************************************************************* -* 函数名: ad9731_bsp_release -* 描述: 关闭文件 -* 相关文档: -* 函数存储类型:int -* 参数: -* -* 参数名 类型 输入/输出 描述 -* -------- ---- --- ----------- -* inode struct inode* input 文件节点结构 -* filp struct file* input 文件结构 -* 返回值: -* 0 成功 -* 说明： -*******************************************************************************/ -int mem_bsp_release(struct inode *inode, struct file *filp) -{ - /* 操作成功 */ - return 0; -} - -/******************************************************************************* -* 函数名: ad9731_bsp_read () -* -* 描述: 读操作。 -* 相关文档: <描述此函数的相关协议名称、版本及在协议中的位置> -* 函数存储类型: - -*******************************************************************************/ -static ssize_t mem_bsp_read (struct file *filp, char *buf, size_t count, loff_t *f_pos) -{ - return 0; -} - -/******************************************************************************* -* 函数名: ad9731_bsp_write () -* -* 描述: 写操作。 -* 相关文档: <描述此函数的相关协议名称、版本及在协议中的位置> -* 函数存储类型: - -*******************************************************************************/ -ssize_t mem_bsp_write(struct file *filp, const char *buf, size_t count, loff_t *f_pos) -{ - return 0; -} - -/******************************************************************************* -* 函数名: ad9731_bsp_ioctl -* 描述: IO控制 -* 相关文档: -* 函数存储类型:int -* 参数: - -*******************************************************************************/ -long mem_bsp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) -{ - return 0; -} - -/******************************************************************************* -* 函数名: mem_bsp_mmap -* 描述: IO内存映射 -* 相关文档: -* 函数存储类型:int -* 参数: -* -*******************************************************************************/ - -int mem_bsp_mmap(struct file *filp, struct vm_area_struct *vma) -{ - /* 设置IO标志 */ - - vma->vm_flags |= VM_IO; - - - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - printk("mmap start\n\r"); - - /* 建立映射 */ - if (remap_pfn_range(vma, - vma->vm_start, - vma->vm_pgoff, - vma->vm_end-vma->vm_start, - vma->vm_page_prot) < 0) - { - return -EAGAIN; - } - - return 0; -} - - -MODULE_AUTHOR ("mr yang"); -MODULE_DESCRIPTION ("mem_dump" ); -MODULE_LICENSE ("GPL"); -module_init(osp_mem_init); -module_exit(osp_mem_exit); - -/******************************* 源文件结束 ***********************************/ - diff --git a/driver/stc-dev/Makefile b/driver/stc-dev/Makefile deleted file mode 100644 index 6cb9c08..0000000 --- a/driver/stc-dev/Makefile +++ /dev/null @@ -1,25 +0,0 @@ -export ARCH=arm64 -export CROSS_COMPILE=aarch64-linux-gnu- -#KERNELDIR = /public/liweihua/workspace/linux-5.0.21 -KERNELDIR = /public/liweihua/workspace/linux-5.10.165 - -OBJ = ARM_STC - -PWD = $(shell pwd) -# Kernel modules -ifeq ($(OBJ),ARM_STC) - obj-m = stc.o - #mycache-objs = osp_sm_ddr.o cache.o - stc-y := stc-dev.o -endif - -# Specify flags for the module compilation. -ccflags-y = -g -O2 -#INCLUDE += -l./../../common/ -build: kernel_modules -kernel_modules: - make -C $(KERNELDIR) M=$(PWD) modules -clean: - make -C $(KERNELDIR) M=$(PWD) clean - - diff --git a/driver/stc-dev/stc-dev.c b/driver/stc-dev/stc-dev.c deleted file mode 100644 index acbf6c4..0000000 --- a/driver/stc-dev/stc-dev.c +++ /dev/null @@ -1,357 +0,0 @@ -/* - * Driver for stc module. - * - * Copyright (C) 2022, liweihua@smartlogictech.com - * Copyright 2022 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "stc_def.h" - -#define UCP4008_STC_MODULE_VERSION ("V1.0") -#define UCP4008_STC_DEVICE_NAME "stc_irq" - -struct stc_driver g_stc_drv; - -static irqreturn_t stc_tod_1pps_handler(int irqid, void *param) -{ - struct stc_driver *pirqstc = param; - - __raw_writel(0x1,pirqstc->io_base_addr + 4); //clear int - pirqstc->irq_1pps_tod_cnt++; - pirqstc->cond_1pps_tod = STC_TOD_1PPS; - //printk("enter:%s,complete_cond = %d,\n",__func__,pirqstc->complete_cond); - wake_up_interruptible(&pirqstc->pp1s_tod_queue); - - return IRQ_HANDLED; -} - -static irqreturn_t stc_1pps_in_handler(int irqid, void *param) -{ - struct stc_driver *pirqstc = param; - - __raw_writel(0x2,pirqstc->io_base_addr + 4); //clear int - pirqstc->irq_1pps_in_cnt++; - pirqstc->cond_1pps_in = STC_EX_1PPS_IN; - //printk("enter:%s,complete_cond = %d,\n",__func__,pirqstc->complete_cond); - wake_up_interruptible(&pirqstc->pp1s_in_queue); - - return IRQ_HANDLED; -} - -static irqreturn_t stc_hscc_dump_handler(int irqid, void *param) -{ - struct stc_driver *pirqstc = param; - - __raw_writel(0x4,pirqstc->io_base_addr + 4); //clear int - pirqstc->irq_hscc_dump_cnt++; - pirqstc->cond_hscc_dump = STC_HSCC_DUMP; - //printk("enter:%s,complete_cond = %d,\n",__func__,pirqstc->complete_cond); - wake_up_interruptible(&pirqstc->hscc_dump_queue); - - return IRQ_HANDLED; -} - -static int stc_open(struct inode* inode, struct file* file) -{ - printk(KERN_INFO "[%s]\n", __func__); - return 0; -} - -static ssize_t stc_read(struct file* file, char __user* buf, size_t size, loff_t* pos) -{ - sint32 ret; - uint32 cond_value; - - if(STC_TOD_1PPS == size) - { - ret = wait_event_interruptible(g_stc_drv.pp1s_tod_queue, g_stc_drv.cond_1pps_tod); - cond_value = g_stc_drv.irq_1pps_tod_cnt; - g_stc_drv.cond_1pps_tod = STC_INT_RESERVED; - } - else if(STC_EX_1PPS_IN == size) - { - ret = wait_event_interruptible(g_stc_drv.pp1s_in_queue, g_stc_drv.cond_1pps_in); - cond_value = g_stc_drv.irq_1pps_in_cnt; - g_stc_drv.cond_1pps_in = STC_INT_RESERVED; - } - else if(STC_HSCC_DUMP == size) - { - ret = wait_event_interruptible(g_stc_drv.hscc_dump_queue, g_stc_drv.cond_hscc_dump); - cond_value = g_stc_drv.irq_hscc_dump_cnt; - g_stc_drv.cond_hscc_dump = STC_INT_RESERVED; - } - else - { - return FAILURE; - } - - if(ret != 0) - { - printk("exe:%s error!\n",__func__); - return FAILURE; - } - ret = copy_to_user(buf, &cond_value, sizeof(uint32)); - - return ret; -} - -static ssize_t stc_write(struct file *filp, const char __user *buf, size_t cnt, loff_t *offt) -{ - return 0; -} - -static sint64 stc_ioctl(struct file* file, unsigned int cmd, unsigned long arg) -{ - sint32 s32Ret = SUCCESS; - stc_int_type_e int_type; - struct stc_driver *stc_drv = &g_stc_drv; - uint32 irq_enable = __raw_readl(g_stc_drv.io_base_addr + 8); - - printk("enter:%s\n",__func__); - - switch(cmd) - { - case STC_INT_CFG: - { - s32Ret = copy_from_user(&int_type, (void __user*)arg, sizeof(stc_int_type_e)); - if(s32Ret != 0) - { - printk(KERN_INFO "[%s]Copy user data failed!\n", __func__); - return FAILURE; - } - - switch(int_type) - { - case STC_TOD_1PPS: - { - s32Ret = request_irq(stc_drv->irq_1pps_tod, stc_tod_1pps_handler, IRQF_SHARED, "tod_1pps", (void *)stc_drv); - if(s32Ret != SUCCESS) - { - free_irq(stc_drv->irq_1pps_tod, stc_drv); - printk(KERN_INFO "[%s]irq_ipps_tod request error!\n", __func__); - return FAILURE; - } - - irq_enable |= 1; - __raw_writel(irq_enable,g_stc_drv.io_base_addr + 8); // - break; - } - case STC_EX_1PPS_IN: - { - s32Ret = request_irq(stc_drv->irq_1pps_in, stc_1pps_in_handler, IRQF_SHARED, "1pps_in", (void *)stc_drv); - if(s32Ret != SUCCESS) - { - free_irq(stc_drv->irq_1pps_in, stc_drv); - printk(KERN_INFO "[%s]irq_ipps_in request error!\n", __func__); - return FAILURE; - } - printk(KERN_INFO "[%s]enable irq_ipps_in int!\n", __func__); - irq_enable |= 2; - __raw_writel(irq_enable,g_stc_drv.io_base_addr + 8); // - break; - } - case STC_HSCC_DUMP: - { - s32Ret = request_irq(stc_drv->irq_hscc_dump, stc_hscc_dump_handler, IRQF_SHARED,"hscc_dump" ,(void *)stc_drv); - if(s32Ret != SUCCESS) - { - free_irq(stc_drv->irq_hscc_dump, stc_drv); - printk(KERN_INFO "[%s]irq_hscc_dump request error!\n", __func__); - return FAILURE; - } - irq_enable |= 4; - __raw_writel(irq_enable,g_stc_drv.io_base_addr + 8); // - break; - } - default:break; - } - break; - } - default: - { - s32Ret = FAILURE; - break; - } - } - - return s32Ret; -} - -static int stc_release(struct inode* inode, struct file* file) -{ - printk(KERN_INFO "[%s]realease \n", __func__); - return 0; -} - -static struct file_operations stc_fops = { - .owner = THIS_MODULE, - .open = stc_open, - .read = stc_read, - .write = stc_write, - .release = stc_release, - .unlocked_ioctl = stc_ioctl, -}; - -static struct miscdevice g_stc_dev = { - .minor = MISC_DYNAMIC_MINOR, - .name = "stc_dev", - .fops = &stc_fops, -}; - -#if 0 -static int stc_module_init(void) -{ - sint32 iRet; - uint32 u32idx; - - iRet = misc_register(&g_stc_dev); - if(iRet != SUCCESS) - { - printk("misc_register error! iRet = %d\n", iRet); - return -1; - } - - memset(&g_stc_drv, 0, sizeof(struct stc_driver)); - - g_stc_drv.irq_ipps_in = UCP4008_IRQ_1PPS_IN; - g_stc_drv.irq_hscc_dump = UCP4008_IRQ_HSCC_DUMP; - g_stc_drv.irq_ipps_tod = UCP4008_IRQ_1PPS_TOD; - g_stc_drv.irq_ipps_in_cnt = 0; - g_stc_drv.irq_hscc_dump_cnt = 0; - g_stc_drv.irq_ipps_tod_cnt = 0; - - init_waitqueue_head(&g_stc_drv.complete_queue); - g_stc_drv.complete_cond = STC_INT_RESERVED; - - g_stc_drv.io_base_addr = ioremap(STC_REG_BASE_ADDR,STC_REG_LEN); - - //init timer - #if 0 - init_timer(&g_stc_drv.avcn_timer_list); - - setup_timer(&g_stc_drv.avcn_timer_list, avcn_debounce_timer, GPIO_INT_FUNC_RESET); - #else - //timer_setup(&g_stc_drv.avcn_timer_list, avcn_debounce_timer, 0); - #endif - printk(KERN_INFO "[%s] module version %s init...\n", __func__, UCP4008_STC_MODULE_VERSION); - return 0; -} - -static void stc_module_exit(void) -{ - misc_deregister(&g_stc_dev); - - free_irq(g_stc_drv.irq_ipps_in , &g_stc_drv); - free_irq(g_stc_drv.irq_ipps_tod , &g_stc_drv); - free_irq(g_stc_drv.irq_hscc_dump , &g_stc_drv); - - printk(KERN_INFO "[%s] module version %s exit...\n", __func__, UCP4008_STC_MODULE_VERSION); -} -#endif - -static int smartlogic_stc_probe(struct platform_device *pdev) -{ - struct resource *res_common; - struct device *dev = &pdev->dev; - int i, irq, iRet; - int irq_no[3]; - - printk("enter:%s\n",__func__); - - iRet = misc_register(&g_stc_dev); - if(iRet != SUCCESS) - { - printk("misc_register error! iRet = %d\n", iRet); - return -1; - } - - for (i = 0; i < 3; ++i) - { - irq = platform_get_irq(pdev, i); - if (irq < 0) { - dev_err(dev, "failed to get irq index %d\n", i); - return -ENODEV; - } - irq_no[i] = irq; - } - - g_stc_drv.irq_1pps_tod = irq_no[0]; - g_stc_drv.irq_1pps_in = irq_no[1]; - g_stc_drv.irq_hscc_dump = irq_no[2]; - - res_common = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res_common) - { - dev_err(&pdev->dev, "memory resource not found"); - return -EINVAL; - } - - g_stc_drv.io_base_addr = devm_ioremap_resource(dev, res_common); - if (IS_ERR(g_stc_drv.io_base_addr)) - { - return PTR_ERR(g_stc_drv.io_base_addr); - } - - init_waitqueue_head(&g_stc_drv.pp1s_tod_queue); - init_waitqueue_head(&g_stc_drv.pp1s_in_queue); - init_waitqueue_head(&g_stc_drv.hscc_dump_queue); - g_stc_drv.cond_1pps_tod = STC_INT_RESERVED; - g_stc_drv.cond_1pps_in = STC_INT_RESERVED; - g_stc_drv.cond_hscc_dump = STC_INT_RESERVED; - g_stc_drv.irq_1pps_tod_cnt = 0; - g_stc_drv.irq_1pps_in_cnt = 0; - g_stc_drv.irq_hscc_dump_cnt = 0; - - return 0; -} - -static int smartlogic_stc_remove(struct platform_device *pdev) -{ - misc_deregister(&g_stc_dev); - - free_irq(g_stc_drv.irq_1pps_in , &g_stc_drv); - free_irq(g_stc_drv.irq_1pps_tod , &g_stc_drv); - free_irq(g_stc_drv.irq_hscc_dump , &g_stc_drv); - - printk(KERN_INFO "[%s] module version %s exit...\n", __func__, UCP4008_STC_MODULE_VERSION); - - return 0; -} - -static const struct of_device_id smartlogic_stc_match[] = { - { .compatible = "smartlogic,stc" }, - {}, -}; -MODULE_DEVICE_TABLE(of, smartlogic_stc_match); - -static struct platform_driver smartlogic_stc_driver = { - .driver = { - .name = "smartlogic_stc", - .of_match_table = smartlogic_stc_match, - }, - .probe = smartlogic_stc_probe, - .remove = smartlogic_stc_remove, -}; -module_platform_driver(smartlogic_stc_driver); - -MODULE_AUTHOR("liweihua@smartlogictech.com"); -MODULE_DESCRIPTION ("Smartlogictech STC module driver!"); -MODULE_LICENSE ("GPL"); - diff --git a/driver/stc-dev/stc_def.h b/driver/stc-dev/stc_def.h deleted file mode 100644 index 35ffa9b..0000000 --- a/driver/stc-dev/stc_def.h +++ /dev/null @@ -1,69 +0,0 @@ -#ifndef _STC_DEF_H_ -#define _STC_DEF_H_ - -#include -#include /*声明printk()这个内核态的函数*/ -#include /*文件系统有关的，结构体file_operations也在fs头文件定义*/ -#include /*init和exit相关宏*/ -#include -#include -#include /*linux中断定义*/ -#include -#include /*包含与中断相关的大部分宏及结构体的定义，request_irq()等*/ -#include /*linux中的用户态内存交互函数，copy_from_user(),copy_to_user()等*/ -#include -#include -#include /*misc混合设备注册与注销*/ -#include -#include -#include -#include -#include -#include -#include -#include -#include - -typedef char sint8; -typedef unsigned char uint8; -typedef int sint32; -typedef unsigned int uint32; -typedef long sint64; -typedef unsigned long uint64; - - -#define SUCCESS (0) -#define FAILURE (-1) -#define IRQ_EXCEPTION (0xFFFFFF) - -#define STC_MODULE_MAGIC 'g' -#define STC_INT_CFG _IOWR(STC_MODULE_MAGIC, 0x01, uint32) - -#define STC_REG_BASE_ADDR (0x08568000ull) //STC鍩哄湴鍧 -#define STC_REG_LEN (0x08000) - -typedef enum -{ - STC_INT_RESERVED = 0, /* Reserved*/ /* Reserved*/ - STC_TOD_1PPS, /* stc 1pps*/ - STC_EX_1PPS_IN, /* external 1pps */ - STC_HSCC_DUMP = 4 /* HSCC_DUMP */ -} stc_int_type_e; - -struct stc_driver{ - sint32 irq_1pps_tod; - sint32 irq_1pps_in; - sint32 irq_hscc_dump; - uint32 irq_1pps_tod_cnt; - uint32 irq_1pps_in_cnt; - uint32 irq_hscc_dump_cnt; - stc_int_type_e cond_1pps_tod; - stc_int_type_e cond_1pps_in; - stc_int_type_e cond_hscc_dump; - wait_queue_head_t pp1s_tod_queue; - wait_queue_head_t pp1s_in_queue; - wait_queue_head_t hscc_dump_queue; - void __iomem *io_base_addr; -}; - -#endif diff --git a/driver/tsc/Makefile b/driver/tsc/Makefile deleted file mode 100644 index c67d1ba..0000000 --- a/driver/tsc/Makefile +++ /dev/null @@ -1,18 +0,0 @@ -PWD := $(shell pwd) - -#KERNELDIR := /public/liweihua/workspace/linux-5.0.21 -KERNELDIR := /public/liweihua/workspace/linux-5.10.165 - -obj-m := tsc.o - -modules: - $(MAKE) -C $(KERNELDIR) M=$(PWD) modules - -modules_install: - $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install - -clean: - rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions *.symvers *.order irq-test - -.PHONY: modules modules_install clean - diff --git a/driver/tsc/tsc.c b/driver/tsc/tsc.c deleted file mode 100644 index 3926405..0000000 --- a/driver/tsc/tsc.c +++ /dev/null @@ -1,67 +0,0 @@ -#include -#include -#include - -#define ARMV8_PMCR_MASK 0x3f -#define ARMV8_PMCR_E (1 << 0) -#define ARMV8_PMCR_LC (1 << 6) - -static inline u32 armv8pmu_pmcr_read(void) -{ - u64 val = 0; - asm volatile("mrs %0, pmcr_el0" : "=r" (val)); - return (u32)val; -} -static inline void armv8pmu_pmcr_write(u32 val) -{ - val &= ARMV8_PMCR_MASK; - isb(); - asm volatile("msr pmcr_el0, %0" : : "r" ((u64)val)); -} - -static inline long long armv8_read_CNTPCT_EL0(void) -{ - long long val; - asm volatile("mrs %0, CNTVCT_EL0" : "=r" (val)); - return val; -} - -static void -enable_cpu_counters(void* data) -{ - asm volatile("msr pmuserenr_el0, %0" : : "r"(0xf)); - armv8pmu_pmcr_write(ARMV8_PMCR_LC|ARMV8_PMCR_E); - asm volatile("msr PMCNTENSET_EL0, %0" :: "r" ((u32)(1<<31))); - armv8pmu_pmcr_write(armv8pmu_pmcr_read() | ARMV8_PMCR_E|ARMV8_PMCR_LC); - printk("\nCPU:%d ", smp_processor_id()); -} - -static void -disable_cpu_counters(void* data) -{ - printk(KERN_INFO "\ndisabling user-mode PMU access on CPU #%d", - smp_processor_id()); - - armv8pmu_pmcr_write(armv8pmu_pmcr_read() |~ARMV8_PMCR_E); - asm volatile("msr pmuserenr_el0, %0" : : "r"((u64)0)); -} - -static int __init init(void) -{ - on_each_cpu(enable_cpu_counters, NULL, 1); - printk(KERN_INFO "Enable Access PMU Initialized"); - return 0; -} - -static void __exit fini(void) -{ - on_each_cpu(disable_cpu_counters, NULL, 1); - printk(KERN_INFO "Access PMU Disabled"); -} - -module_init(init); -module_exit(fini); -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("titan"); - - diff --git a/driver/ucp_2_revmem/Makefile b/driver/ucp_2_revmem/Makefile deleted file mode 100644 index f37efb0..0000000 --- a/driver/ucp_2_revmem/Makefile +++ /dev/null @@ -1,12 +0,0 @@ - -KERN_DIR = /public/liweihua/workspace/linux-5.0.21 - -all: - make -C ${KERN_DIR} M=`pwd` modules - -clean: - make -C ${KERN_DIR} M=`pwd` modules clean - rm -rf modules.order - -obj-m += ucp_2_revmem.o - diff --git a/driver/ucp_2_revmem/build_env.sh b/driver/ucp_2_revmem/build_env.sh deleted file mode 100644 index f27456d..0000000 --- a/driver/ucp_2_revmem/build_env.sh +++ /dev/null @@ -1,3 +0,0 @@ -export ARCH=arm64 -export CROSS_COMPILE=/public/liweihua/toolchain/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu- -make diff --git a/driver/ucp_2_revmem/ucp_2_revmem.c b/driver/ucp_2_revmem/ucp_2_revmem.c deleted file mode 100644 index 42778a0..0000000 --- a/driver/ucp_2_revmem/ucp_2_revmem.c +++ /dev/null @@ -1,325 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include "ucp_2_revmem.h" - -/*鏆傛椂灏唘cp_mem鐨勪富璁惧鍙峰畾涔変负10 */ - -typedef struct tag_OSP_CACHE_REV -{ - unsigned int phy_addr; - unsigned int len; -}OSP_CACHE_REV; - -struct ucp_2_rev_device{ - struct device *dev; - struct miscdevice *miscdev; - void __iomem *vir_head; - unsigned int phy_head; -}; - -struct ucp_2_rev_device *ucp_2_rev_dev; - -#define DEVICE_NAME "ucp_2_revmem" -//#define DEVICE_NAME "ucp_2_mmap" - - -#define IOCTL_CACHE_INVALID _IO('k',0x10) -#define IOCTL_CACHE_FLUSH _IO('k',0x20) -#define IOCTL_SET_CACHE _IO('k',0x30) -#define IOCTL_SET_NOCACHE _IO('k',0x40) - -#define UP_ALIGNED(num, n) (((num) + (n) - 1) & (~((n) - 1))) - -#define REV_WITH_CACHE 2 -#define REV_WITH_NOCACHE 3 - -int is_cached=0; - -extern void arch_sync_dma_for_device_p(struct device *dev, void *addr, - size_t size, enum dma_data_direction dir); -extern void arch_sync_dma_for_cpu_p(struct device *dev, void *addr, - size_t size, enum dma_data_direction dir); - -/*file open function*/ -int ucp_2_revmem_open(struct inode *inode, struct file *filp) -{ - /* device structure pointer assgined to file private data pointer */ - printk("enter %s !!!\n",__func__); - return 0; -} - -ssize_t ucp_2_revmem_read(struct file *filp, char __user *buf, size_t size, loff_t *ppos) -{ - - return 0; -} - - -/*file release function*/ -int ucp_2_revmem_release(struct inode *inode, struct file *filp) -{ - return 0; -} - -/* ioctl device control function */ -static long ucp_2_revmem_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) -{ - OSP_CACHE_REV operation; - void __iomem *vir; - struct ucp_2_rev_device *rev_dev = ucp_2_rev_dev; - struct miscdevice *miscdev = rev_dev->miscdev; - -// printk("%s\n",miscdev->name); - - switch(cmd) - { - case IOCTL_SET_CACHE: - is_cached = REV_WITH_CACHE; -// dev_info(rev_dev->dev,"ioctl set with cache"); - break; - case IOCTL_SET_NOCACHE: - is_cached = REV_WITH_NOCACHE; -// dev_info(rev_dev->dev,"ioctl set no cache"); - break; - case IOCTL_CACHE_FLUSH: - if(copy_from_user((void *)(&operation), (char *)arg, sizeof(OSP_CACHE_REV))) - { - dev_info(rev_dev->dev,"ioctl copy_from_user error"); - return - EINVAL; - } - - if(operation.phy_addr<=0 || operation.len <=0) - { - dev_info(rev_dev->dev,"ioctl user arg error"); - return - EINVAL; - } - - operation.len = UP_ALIGNED(operation.len,4); - -// vir = ioremap_cache(operation.phy_addr,operation.len); - vir = rev_dev->vir_head + (operation.phy_addr - rev_dev->phy_head); - if(vir == NULL) - { - dev_info(rev_dev->dev,"ioctl vir error"); - return - EINVAL; - } - arch_sync_dma_for_device_p(rev_dev->dev, vir, operation.len, DMA_TO_DEVICE); - break; - - case IOCTL_CACHE_INVALID: - if(copy_from_user((void *)(&operation), (char *)arg, sizeof(OSP_CACHE_REV))) - { - dev_info(rev_dev->dev,"ioctl copy_from_user error"); - return - EINVAL; - } - - if(operation.phy_addr<=0 || operation.len <=0) - { - dev_info(rev_dev->dev,"ioctl user arg error"); - return - EINVAL; - } - - operation.len = UP_ALIGNED(operation.len,4); - -// vir = ioremap_cache(operation.phy_addr,operation.len); - vir = rev_dev->vir_head + (operation.phy_addr - rev_dev->phy_head); - if(vir == NULL) - { - dev_info(rev_dev->dev,"ioctl vir error"); - return - EINVAL; - } - arch_sync_dma_for_cpu_p(rev_dev->dev, vir, operation.len, DMA_FROM_DEVICE); - break; - - - default: - return - EINVAL; - } -// iounmap(vir); - return 0; -} - - -static int ucp_2_revmem_mmap(struct file *filp, struct vm_area_struct *vma) -{ - struct ucp_2_rev_device *rev_dev = ucp_2_rev_dev; - struct miscdevice *miscdev = rev_dev->miscdev; - uint64_t offset = vma->vm_pgoff << PAGE_SHIFT; - - printk("enter %s !!!\n",__func__); - - printk("ucp_revmem_mmap offset = %#llx,start = %#llx\n",offset,vma->vm_start); - - - vma->vm_flags |= VM_IO | VM_LOCKED; - - if(offset < ARM_STACK_BASE_PHY_ADDR) - { - vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); - } -#if 0 - if(is_cached == REV_WITH_NOCACHE) - { - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - } - else if(is_cached == REV_WITH_CACHE) - { - - } - else - { - dev_info(rev_dev->dev,"flag is_cached is error %d\n",is_cached); - return -EAGAIN; - } - - - vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); -#endif - if (remap_pfn_range(vma, - vma->vm_start, - vma->vm_pgoff, - vma->vm_end-vma->vm_start, - vma->vm_page_prot) < 0) - { - return -EAGAIN; - } -// dev_info(rev_dev->dev,"ucp_revmem_mmap:%d ok\n",is_cached); - printk("leave %s !!!\n",__func__); - - is_cached = 0; - return 0; -} - - -/*file operation structure*/ -static const struct file_operations ucp_2_revmem_fops = -{ - .owner = THIS_MODULE, - .open = ucp_2_revmem_open, - .unlocked_ioctl = ucp_2_revmem_ioctl, - .mmap = ucp_2_revmem_mmap, - .release = ucp_2_revmem_release, -}; - -static ssize_t ucp_2_revmem_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int len=0; - - len += sprintf(buf+len, "%s\r\n", "ucp_2_mem attribute OK!"); - - return len; -} - -static DEVICE_ATTR(ucp_2_revmem, S_IRUGO, ucp_2_revmem_show, NULL); - -static struct miscdevice ucp_2_revmem_miscdev = { - .minor = MISC_DYNAMIC_MINOR, - .name = DEVICE_NAME, - .fops = &ucp_2_revmem_fops, -}; - -static int __init ucp_2_revmem_module_init(void) -{ - int ret; - struct miscdevice *misc_device; - void __iomem * vir_addr; - dma_addr_t phy_addr; - int i; - - ucp_2_rev_dev = (struct ucp_2_rev_device *)kzalloc(sizeof(*ucp_2_rev_dev), GFP_KERNEL); - if (!ucp_2_rev_dev) - return -ENOMEM; - - misc_device = &ucp_2_revmem_miscdev; - ret = misc_register(&ucp_2_revmem_miscdev); - if(ret) - { - goto misc_err; - } - - ret = device_create_file(ucp_2_revmem_miscdev.this_device, &dev_attr_ucp_2_revmem); - if (ret) - { - goto attr_err; - } - ucp_2_rev_dev->dev = ucp_2_revmem_miscdev.this_device; - ucp_2_rev_dev->miscdev = &ucp_2_revmem_miscdev; - dev_set_drvdata(ucp_2_revmem_miscdev.this_device, ucp_2_rev_dev); - - ucp_2_rev_dev->phy_head = UCP_2_APE_REV_MEM_START; - ucp_2_rev_dev->vir_head = ioremap_cache(UCP_2_APE_REV_MEM_START,UCP_2_APE_REM_MEM_LEN); - - dma_coerce_mask_and_coherent(ucp_2_rev_dev->dev, DMA_BIT_MASK(32)); - -/* - for(i = 0; i< 100; i++) - { //GFP_ATOMIC,GFP_KERNEL - vir_addr = dma_alloc_coherent(ucp_2_rev_dev->dev, 0x64000, (dma_addr_t *)&phy_addr, GFP_ATOMIC); - if(vir_addr == NULL) - { - printk("revmem dma_alloc_coherent error:%d\n",i); - } - } -*/ - - dev_info(ucp_2_rev_dev->dev,"ucp_2_revem_module_init ok\n"); - return 0; -misc_err: - device_remove_file(ucp_2_revmem_miscdev.this_device, &dev_attr_ucp_2_revmem); -attr_err: - misc_deregister(&ucp_2_revmem_miscdev); - return -1; - -} - -/* module unload function*/ -static void __exit ucp_2_revmem_module_exit(void) -{ - device_remove_file(ucp_2_revmem_miscdev.this_device, &dev_attr_ucp_2_revmem); - misc_deregister(&ucp_2_revmem_miscdev); -} - - - - - - -/* - * a simple char device driver: ExtInt without mutex - * - * Copyright (C) 2014 Barry Song (baohua@kernel.org) - * - * Licensed under GPLv2 or later. - */ - - -MODULE_AUTHOR ("lte team"); -MODULE_DESCRIPTION ("ucp_mem driver module" ); -MODULE_LICENSE ("GPL"); -module_init(ucp_2_revmem_module_init); -module_exit(ucp_2_revmem_module_exit); - - - - - - - - - diff --git a/driver/ucp_2_revmem/ucp_2_revmem.h b/driver/ucp_2_revmem/ucp_2_revmem.h deleted file mode 100644 index be36ef3..0000000 --- a/driver/ucp_2_revmem/ucp_2_revmem.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef __HPP_REVMEM_H__ -#define __HPP_REVMEM_H__ - - - - -#define UCP_2_APE_REV_MEM_START 0x90000000 -#define UCP_2_APE_REV_MEM_BLOCK_SIZE 0x100000 -#define UCP_2_APE_REV_MEM_BLOCK_NUM 18 -/*#define HPP_APE_REM_MEM_LEN (HPP_APE_REV_MEM_BLOCK_NUM * HPP_APE_REV_MEM_BLOCK_SIZE)*/ -#define UCP_2_APE_REM_MEM_LEN 0x20000000 - -#define SHARE_MEM_BASE_PHY_ADDR 0x009D00000UL -#define LEN_OF_SHARE_MEM 0x000800000UL -#define SHARE_MEM_END_PHY_ADDR (SHARE_MEM_BASE_PHY_ADDR + LEN_OF_SHARE_MEM) - -#define ARM_STACK_BASE_PHY_ADDR 0x0B8000000UL -// - - - - - -#endif \ No newline at end of file