1 /* 2 * Copyright 2011 Freescale Semiconductor, Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 #include <common.h> 7 #include <mpc85xx.h> 8 #include <asm/io.h> 9 #include <ns16550.h> 10 #include <nand.h> 11 #include <asm/mmu.h> 12 #include <asm/immap_85xx.h> 13 #include <fsl_ddr_sdram.h> 14 #include <asm/fsl_law.h> 15 #include <asm/global_data.h> 16 17 DECLARE_GLOBAL_DATA_PTR; 18 19 void board_init_f(ulong bootflag) 20 { 21 u32 plat_ratio; 22 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 23 24 #if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM) 25 set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM); 26 set_lbc_or(0, CONFIG_SYS_NAND_OR_PRELIM); 27 #endif 28 29 /* initialize selected port with appropriate baud rate */ 30 plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; 31 plat_ratio >>= 1; 32 gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; 33 34 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, 35 gd->bus_clk / 16 / CONFIG_BAUDRATE); 36 37 puts("\nNAND boot... "); 38 39 /* copy code to RAM and jump to it - this should not return */ 40 /* NOTE - code has to be copied out of NAND buffer before 41 * other blocks can be read. 42 */ 43 44 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); 45 } 46 47 void board_init_r(gd_t *gd, ulong dest_addr) 48 { 49 puts("\nSecond program loader running in sram..."); 50 nand_boot(); 51 } 52 53 void putc(char c) 54 { 55 if (c == '\n') 56 NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r'); 57 58 NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c); 59 } 60 61 void puts(const char *str) 62 { 63 while (*str) 64 putc(*str++); 65 } 66