1 /* 2 * Copyright 2011 Freescale Semiconductor, Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <ns16550.h> 9 #include <asm/io.h> 10 #include <nand.h> 11 #include <linux/compiler.h> 12 #include <asm/fsl_law.h> 13 #include <fsl_ddr_sdram.h> 14 #include <asm/global_data.h> 15 16 DECLARE_GLOBAL_DATA_PTR; 17 18 void board_init_f(ulong bootflag) 19 { 20 u32 plat_ratio; 21 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 22 23 #if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM) 24 set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM); 25 set_lbc_or(0, CONFIG_SYS_NAND_OR_PRELIM); 26 #endif 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 puts("\nNAND boot... "); 37 38 /* copy code to RAM and jump to it - this should not return */ 39 /* NOTE - code has to be copied out of NAND buffer before 40 * other blocks can be read. 41 */ 42 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); 43 } 44 45 void board_init_r(gd_t *gd, ulong dest_addr) 46 { 47 puts("\nSecond program loader running in sram..."); 48 nand_boot(); 49 } 50 51 void putc(char c) 52 { 53 if (c == '\n') 54 NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r'); 55 56 NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c); 57 } 58 59 void puts(const char *str) 60 { 61 while (*str) 62 putc(*str++); 63 } 64