1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+ 20fa934d2SPrabhakar Kushwaha /* 30fa934d2SPrabhakar Kushwaha * Copyright 2011 Freescale Semiconductor, Inc. 40fa934d2SPrabhakar Kushwaha */ 50fa934d2SPrabhakar Kushwaha #include <common.h> 60fa934d2SPrabhakar Kushwaha #include <mpc85xx.h> 70fa934d2SPrabhakar Kushwaha #include <asm/io.h> 80fa934d2SPrabhakar Kushwaha #include <ns16550.h> 90fa934d2SPrabhakar Kushwaha #include <nand.h> 100fa934d2SPrabhakar Kushwaha #include <asm/mmu.h> 110fa934d2SPrabhakar Kushwaha #include <asm/immap_85xx.h> 125614e71bSYork Sun #include <fsl_ddr_sdram.h> 130fa934d2SPrabhakar Kushwaha #include <asm/fsl_law.h> 140fa934d2SPrabhakar Kushwaha #include <asm/global_data.h> 150fa934d2SPrabhakar Kushwaha 160fa934d2SPrabhakar Kushwaha DECLARE_GLOBAL_DATA_PTR; 170fa934d2SPrabhakar Kushwaha 180fa934d2SPrabhakar Kushwaha void board_init_f(ulong bootflag) 190fa934d2SPrabhakar Kushwaha { 200fa934d2SPrabhakar Kushwaha u32 plat_ratio; 210fa934d2SPrabhakar Kushwaha ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 220fa934d2SPrabhakar Kushwaha 23c9e1f588SYing Zhang #if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM) 24c9e1f588SYing Zhang set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM); 25c9e1f588SYing Zhang set_lbc_or(0, CONFIG_SYS_NAND_OR_PRELIM); 26c9e1f588SYing Zhang #endif 27c9e1f588SYing Zhang 280fa934d2SPrabhakar Kushwaha /* initialize selected port with appropriate baud rate */ 290fa934d2SPrabhakar Kushwaha plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; 300fa934d2SPrabhakar Kushwaha plat_ratio >>= 1; 310fa934d2SPrabhakar Kushwaha gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; 320fa934d2SPrabhakar Kushwaha 330fa934d2SPrabhakar Kushwaha NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, 340fa934d2SPrabhakar Kushwaha gd->bus_clk / 16 / CONFIG_BAUDRATE); 350fa934d2SPrabhakar Kushwaha 360fa934d2SPrabhakar Kushwaha puts("\nNAND boot... "); 370fa934d2SPrabhakar Kushwaha 380fa934d2SPrabhakar Kushwaha /* copy code to RAM and jump to it - this should not return */ 390fa934d2SPrabhakar Kushwaha /* NOTE - code has to be copied out of NAND buffer before 400fa934d2SPrabhakar Kushwaha * other blocks can be read. 410fa934d2SPrabhakar Kushwaha */ 420fa934d2SPrabhakar Kushwaha 430fa934d2SPrabhakar Kushwaha relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); 440fa934d2SPrabhakar Kushwaha } 450fa934d2SPrabhakar Kushwaha 460fa934d2SPrabhakar Kushwaha void board_init_r(gd_t *gd, ulong dest_addr) 470fa934d2SPrabhakar Kushwaha { 48c9e1f588SYing Zhang puts("\nSecond program loader running in sram..."); 490fa934d2SPrabhakar Kushwaha nand_boot(); 500fa934d2SPrabhakar Kushwaha } 510fa934d2SPrabhakar Kushwaha 520fa934d2SPrabhakar Kushwaha void putc(char c) 530fa934d2SPrabhakar Kushwaha { 540fa934d2SPrabhakar Kushwaha if (c == '\n') 550fa934d2SPrabhakar Kushwaha NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r'); 560fa934d2SPrabhakar Kushwaha 570fa934d2SPrabhakar Kushwaha NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c); 580fa934d2SPrabhakar Kushwaha } 590fa934d2SPrabhakar Kushwaha 600fa934d2SPrabhakar Kushwaha void puts(const char *str) 610fa934d2SPrabhakar Kushwaha { 620fa934d2SPrabhakar Kushwaha while (*str) 630fa934d2SPrabhakar Kushwaha putc(*str++); 640fa934d2SPrabhakar Kushwaha } 65