1 // SPDX-License-Identifier: GPL-2.0+ 2 /* Copyright 2013 Freescale Semiconductor, Inc. 3 */ 4 5 #include <common.h> 6 #include <console.h> 7 #include <environment.h> 8 #include <ns16550.h> 9 #include <malloc.h> 10 #include <mmc.h> 11 #include <nand.h> 12 #include <i2c.h> 13 14 DECLARE_GLOBAL_DATA_PTR; 15 16 phys_size_t get_effective_memsize(void) 17 { 18 return CONFIG_SYS_L2_SIZE; 19 } 20 21 void board_init_f(ulong bootflag) 22 { 23 u32 plat_ratio; 24 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 25 26 console_init_f(); 27 28 /* initialize selected port with appropriate baud rate */ 29 plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; 30 plat_ratio >>= 1; 31 gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; 32 33 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, 34 gd->bus_clk / 16 / CONFIG_BAUDRATE); 35 36 /* copy code to RAM and jump to it - this should not return */ 37 /* NOTE - code has to be copied out of NAND buffer before 38 * other blocks can be read. 39 */ 40 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); 41 } 42 43 void board_init_r(gd_t *gd, ulong dest_addr) 44 { 45 /* Pointer is writable since we allocated a register for it */ 46 gd = (gd_t *)CONFIG_SPL_GD_ADDR; 47 bd_t *bd; 48 49 memset(gd, 0, sizeof(gd_t)); 50 bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t)); 51 memset(bd, 0, sizeof(bd_t)); 52 gd->bd = bd; 53 bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR; 54 bd->bi_memsize = CONFIG_SYS_L2_SIZE; 55 56 arch_cpu_init(); 57 get_clocks(); 58 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, 59 CONFIG_SPL_RELOC_MALLOC_SIZE); 60 gd->flags |= GD_FLG_FULL_MALLOC_INIT; 61 62 /* relocate environment function pointers etc. */ 63 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, 64 (uchar *)CONFIG_ENV_ADDR); 65 gd->env_addr = (ulong)(CONFIG_ENV_ADDR); 66 gd->env_valid = ENV_VALID; 67 68 i2c_init_all(); 69 70 dram_init(); 71 72 #ifdef CONFIG_SPL_NAND_BOOT 73 puts("TPL\n"); 74 #else 75 puts("SPL\n"); 76 #endif 77 78 nand_boot(); 79 } 80