1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2011 Freescale Semiconductor, Inc. 4 */ 5 6 #include <common.h> 7 #include <ns16550.h> 8 #include <asm/io.h> 9 #include <nand.h> 10 #include <linux/compiler.h> 11 #include <asm/fsl_law.h> 12 #include <fsl_ddr_sdram.h> 13 #include <asm/global_data.h> 14 15 DECLARE_GLOBAL_DATA_PTR; 16 17 void board_init_f(ulong bootflag) 18 { 19 u32 plat_ratio; 20 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 21 22 #if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM) 23 set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM); 24 set_lbc_or(0, CONFIG_SYS_NAND_OR_PRELIM); 25 #endif 26 27 /* initialize selected port with appropriate baud rate */ 28 plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; 29 plat_ratio >>= 1; 30 gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; 31 32 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, 33 gd->bus_clk / 16 / CONFIG_BAUDRATE); 34 35 puts("\nNAND boot... "); 36 37 /* copy code to RAM and jump to it - this should not return */ 38 /* NOTE - code has to be copied out of NAND buffer before 39 * other blocks can be read. 40 */ 41 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); 42 } 43 44 void board_init_r(gd_t *gd, ulong dest_addr) 45 { 46 puts("\nSecond program loader running in sram..."); 47 nand_boot(); 48 } 49 50 void putc(char c) 51 { 52 if (c == '\n') 53 NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r'); 54 55 NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c); 56 } 57 58 void puts(const char *str) 59 { 60 while (*str) 61 putc(*str++); 62 } 63
