1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * Copyright 2015 Freescale Semiconductor, Inc. 4 * 5 * Author: Chunhe Lan <Chunhe.Lan@freescale.com> 6 */ 7 8#include <common.h> 9#include <clock_legacy.h> 10#include <console.h> 11#include <env_internal.h> 12#include <init.h> 13#include <asm/global_data.h> 14#include <asm/spl.h> 15#include <malloc.h> 16#include <ns16550.h> 17#include <nand.h> 18#include <mmc.h> 19#include <fsl_esdhc.h> 20#include <i2c.h> 21 22#include "t4rdb.h" 23 24#define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000 25 26DECLARE_GLOBAL_DATA_PTR; 27 28phys_size_t get_effective_memsize(void) 29{ 30 return CONFIG_SYS_L3_SIZE; 31} 32 33void board_init_f(ulong bootflag) 34{ 35 u32 plat_ratio, sys_clk, ccb_clk; 36 ccsr_gur_t *gur = (void *)CFG_SYS_MPC85xx_GUTS_ADDR; 37 38 /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */ 39 memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t)); 40 41 /* Update GD pointer */ 42 gd = (gd_t *)(CONFIG_SPL_GD_ADDR); 43 44 /* compiler optimization barrier needed for GCC >= 3.4 */ 45 __asm__ __volatile__("" : : : "memory"); 46 47 console_init_f(); 48 49 /* initialize selected port with appropriate baud rate */ 50 sys_clk = get_board_sys_clk(); 51 plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; 52 ccb_clk = sys_clk * plat_ratio / 2; 53 54 ns16550_init((struct ns16550 *)CFG_SYS_NS16550_COM1, 55 ccb_clk / 16 / CONFIG_BAUDRATE); 56 57 puts("\nSD boot...\n"); 58 59 relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0); 60} 61 62void board_init_r(gd_t *gd, ulong dest_addr) 63{ 64 struct bd_info *bd; 65 66 bd = (struct bd_info *)(gd + sizeof(gd_t)); 67 memset(bd, 0, sizeof(struct bd_info)); 68 gd->bd = bd; 69 70 arch_cpu_init(); 71 get_clocks(); 72 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, 73 CONFIG_SPL_RELOC_MALLOC_SIZE); 74 gd->flags |= GD_FLG_FULL_MALLOC_INIT; 75 76 mmc_initialize(bd); 77 mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 78 (uchar *)SPL_ENV_ADDR); 79 80 gd->env_addr = (ulong)(SPL_ENV_ADDR); 81 gd->env_valid = ENV_VALID; 82 83 i2c_init_all(); 84 85 dram_init(); 86 87 mmc_boot(); 88} 89