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