xref: /OK3568_Linux_fs/kernel/drivers/rk_nand/rk_nand_base.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
2*4882a593Smuzhiyun 
3*4882a593Smuzhiyun /*
4*4882a593Smuzhiyun  * Copyright (c) 2018 Fuzhou Rockchip Electronics Co., Ltd
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef __RK_NAND_BASE_H
8*4882a593Smuzhiyun #define __RK_NAND_BASE_H
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun struct rk_nandc_info {
11*4882a593Smuzhiyun 	int	id;
12*4882a593Smuzhiyun 	void __iomem     *reg_base;
13*4882a593Smuzhiyun 	int	irq;
14*4882a593Smuzhiyun 	int	clk_rate;
15*4882a593Smuzhiyun 	struct clk	*clk;	/* flash clk*/
16*4882a593Smuzhiyun 	struct clk	*hclk;	/* nandc clk*/
17*4882a593Smuzhiyun 	struct clk	*gclk;  /* flash clk gate*/
18*4882a593Smuzhiyun };
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun void *ftl_malloc(int size);
21*4882a593Smuzhiyun void ftl_free(void *buf);
22*4882a593Smuzhiyun char rknand_get_sn(char *pbuf);
23*4882a593Smuzhiyun char rknand_get_vendor0(char *pbuf);
24*4882a593Smuzhiyun char *rknand_get_idb_data(void);
25*4882a593Smuzhiyun int rknand_get_clk_rate(int nandc_id);
26*4882a593Smuzhiyun unsigned long rknand_dma_flush_dcache(unsigned long ptr, int size, int dir);
27*4882a593Smuzhiyun unsigned long rknand_dma_map_single(unsigned long ptr, int size, int dir);
28*4882a593Smuzhiyun void rknand_dma_unmap_single(unsigned long ptr, int size, int dir);
29*4882a593Smuzhiyun int rknand_flash_cs_init(int id);
30*4882a593Smuzhiyun int rknand_get_reg_addr(unsigned long *p_nandc0, unsigned long *p_nandc1);
31*4882a593Smuzhiyun int rknand_get_boot_media(void);
32*4882a593Smuzhiyun unsigned long rk_copy_from_user(void *to, const void __user *from,
33*4882a593Smuzhiyun 				unsigned long n);
34*4882a593Smuzhiyun unsigned long rk_copy_to_user(void __user *to, const void *from,
35*4882a593Smuzhiyun 			      unsigned long n);
36*4882a593Smuzhiyun int rknand_sys_storage_init(void);
37*4882a593Smuzhiyun int rknand_vendor_storage_init(void);
38*4882a593Smuzhiyun int rk_nand_schedule_enable_config(int en);
39*4882a593Smuzhiyun void rk_nandc_xfer_irq_flag_init(void *nandc_reg);
40*4882a593Smuzhiyun void rk_nandc_rb_irq_flag_init(void *nandc_reg);
41*4882a593Smuzhiyun void wait_for_nandc_xfer_completed(void *nandc_reg);
42*4882a593Smuzhiyun void wait_for_nand_flash_ready(void *nandc_reg);
43*4882a593Smuzhiyun int rk_nandc_irq_init(void);
44*4882a593Smuzhiyun int rk_nandc_irq_deinit(void);
45*4882a593Smuzhiyun void rknand_dev_cache_flush(void);
46*4882a593Smuzhiyun #endif
47