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 u32 get_cpu_speed_grade_hz(void);
20 u32 get_cpu_temp_grade(int *minc, int *maxc);
21 
22 /* returns MXC_CPU_ value */
23 #define cpu_type(rev) (((rev) >> 12) & 0xff)
24 
25 /* both macros return/take MXC_CPU_ constants */
26 #define get_cpu_type()	(cpu_type(get_cpu_rev()))
27 #define is_cpu_type(cpu) (get_cpu_type() == cpu)
28 
29 const char *get_imx_type(u32 imxtype);
30 unsigned imx_ddr_size(void);
31 void set_chipselect_size(int const);
32 
33 #define is_mx6dqp() (is_cpu_type(MXC_CPU_MX6QP) || is_cpu_type(MXC_CPU_MX6DP))
34 
35 /*
36  * Initializes on-chip ethernet controllers.
37  * to override, implement board_eth_init()
38  */
39 
40 int fecmxc_initialize(bd_t *bis);
41 u32 get_ahb_clk(void);
42 u32 get_periph_clk(void);
43 
44 int mxs_reset_block(struct mxs_register_32 *reg);
45 int mxs_wait_mask_set(struct mxs_register_32 *reg,
46 		       uint32_t mask,
47 		       unsigned int timeout);
48 int mxs_wait_mask_clr(struct mxs_register_32 *reg,
49 		       uint32_t mask,
50 		       unsigned int timeout);
51 #endif
52