1 /* 2 * Copyright 2015 Freescale Semiconductor, Inc. 3 * 4 * Author: Chunhe Lan <Chunhe.Lan@freescale.com> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #include <common.h> 10 #include <console.h> 11 #include <asm/spl.h> 12 #include <malloc.h> 13 #include <ns16550.h> 14 #include <nand.h> 15 #include <mmc.h> 16 #include <fsl_esdhc.h> 17 #include <i2c.h> 18 19 #include "t4rdb.h" 20 21 #define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000 22 23 DECLARE_GLOBAL_DATA_PTR; 24 25 phys_size_t get_effective_memsize(void) 26 { 27 return CONFIG_SYS_L3_SIZE; 28 } 29 30 unsigned long get_board_sys_clk(void) 31 { 32 return CONFIG_SYS_CLK_FREQ; 33 } 34 35 unsigned long get_board_ddr_clk(void) 36 { 37 return CONFIG_DDR_CLK_FREQ; 38 } 39 40 void board_init_f(ulong bootflag) 41 { 42 u32 plat_ratio, sys_clk, ccb_clk; 43 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 44 45 /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */ 46 memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t)); 47 48 /* Update GD pointer */ 49 gd = (gd_t *)(CONFIG_SPL_GD_ADDR); 50 51 /* compiler optimization barrier needed for GCC >= 3.4 */ 52 __asm__ __volatile__("" : : : "memory"); 53 54 console_init_f(); 55 56 /* initialize selected port with appropriate baud rate */ 57 sys_clk = get_board_sys_clk(); 58 plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; 59 ccb_clk = sys_clk * plat_ratio / 2; 60 61 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, 62 ccb_clk / 16 / CONFIG_BAUDRATE); 63 64 puts("\nSD boot...\n"); 65 66 relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0); 67 } 68 69 void board_init_r(gd_t *gd, ulong dest_addr) 70 { 71 bd_t *bd; 72 73 bd = (bd_t *)(gd + sizeof(gd_t)); 74 memset(bd, 0, sizeof(bd_t)); 75 gd->bd = bd; 76 bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR; 77 bd->bi_memsize = CONFIG_SYS_L3_SIZE; 78 79 probecpu(); 80 get_clocks(); 81 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, 82 CONFIG_SPL_RELOC_MALLOC_SIZE); 83 gd->flags |= GD_FLG_FULL_MALLOC_INIT; 84 85 mmc_initialize(bd); 86 mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 87 (uchar *)CONFIG_ENV_ADDR); 88 89 gd->env_addr = (ulong)(CONFIG_ENV_ADDR); 90 gd->env_valid = 1; 91 92 i2c_init_all(); 93 94 gd->ram_size = initdram(0); 95 96 mmc_boot(); 97 } 98