1 /*
2  * (C) Copyright 2009
3  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef _SYS_PROTO_H_
9 #define _SYS_PROTO_H_
10 
11 #include <asm/imx-common/regs-common.h>
12 #include "../arch-imx/cpu.h"
13 
14 #define soc_rev() (get_cpu_rev() & 0xFF)
15 #define is_soc_rev(rev)        (soc_rev() - rev)
16 
17 u32 get_nr_cpus(void);
18 u32 get_cpu_rev(void);
19 
20 /* returns MXC_CPU_ value */
21 #define cpu_type(rev) (((rev) >> 12)&0xff)
22 
23 /* both macros return/take MXC_CPU_ constants */
24 #define get_cpu_type()	(cpu_type(get_cpu_rev()))
25 #define is_cpu_type(cpu) (get_cpu_type() == cpu)
26 
27 const char *get_imx_type(u32 imxtype);
28 unsigned imx_ddr_size(void);
29 
30 /*
31  * Initializes on-chip ethernet controllers.
32  * to override, implement board_eth_init()
33  */
34 
35 int fecmxc_initialize(bd_t *bis);
36 u32 get_ahb_clk(void);
37 u32 get_periph_clk(void);
38 
39 int mxs_reset_block(struct mxs_register_32 *reg);
40 int mxs_wait_mask_set(struct mxs_register_32 *reg,
41 		       uint32_t mask,
42 		       unsigned int timeout);
43 int mxs_wait_mask_clr(struct mxs_register_32 *reg,
44 		       uint32_t mask,
45 		       unsigned int timeout);
46 #endif
47