1*eb6b458cSPo Liu /* Copyright 2013 Freescale Semiconductor, Inc. 2*eb6b458cSPo Liu * 3*eb6b458cSPo Liu * SPDX-License-Identifier: GPL-2.0+ 4*eb6b458cSPo Liu */ 5*eb6b458cSPo Liu 6*eb6b458cSPo Liu #include <common.h> 7*eb6b458cSPo Liu #include <mpc85xx.h> 8*eb6b458cSPo Liu #include <asm/io.h> 9*eb6b458cSPo Liu #include <ns16550.h> 10*eb6b458cSPo Liu #include <nand.h> 11*eb6b458cSPo Liu #include <asm/mmu.h> 12*eb6b458cSPo Liu #include <asm/immap_85xx.h> 13*eb6b458cSPo Liu #include <asm/fsl_law.h> 14*eb6b458cSPo Liu #include <asm/global_data.h> 15*eb6b458cSPo Liu 16*eb6b458cSPo Liu DECLARE_GLOBAL_DATA_PTR; 17*eb6b458cSPo Liu 18*eb6b458cSPo Liu void board_init_f(ulong bootflag) 19*eb6b458cSPo Liu { 20*eb6b458cSPo Liu u32 plat_ratio; 21*eb6b458cSPo Liu ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 22*eb6b458cSPo Liu 23*eb6b458cSPo Liu #if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM) 24*eb6b458cSPo Liu set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM); 25*eb6b458cSPo Liu set_lbc_or(0, CONFIG_SYS_NAND_OR_PRELIM); 26*eb6b458cSPo Liu #endif 27*eb6b458cSPo Liu 28*eb6b458cSPo Liu /* initialize selected port with appropriate baud rate */ 29*eb6b458cSPo Liu plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; 30*eb6b458cSPo Liu plat_ratio >>= 1; 31*eb6b458cSPo Liu gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; 32*eb6b458cSPo Liu 33*eb6b458cSPo Liu NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, 34*eb6b458cSPo Liu gd->bus_clk / 16 / CONFIG_BAUDRATE); 35*eb6b458cSPo Liu 36*eb6b458cSPo Liu puts("\nNAND boot...\n"); 37*eb6b458cSPo Liu 38*eb6b458cSPo Liu /* copy code to RAM and jump to it - this should not return */ 39*eb6b458cSPo Liu /* NOTE - code has to be copied out of NAND buffer before 40*eb6b458cSPo Liu * other blocks can be read. 41*eb6b458cSPo Liu */ 42*eb6b458cSPo Liu relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); 43*eb6b458cSPo Liu } 44*eb6b458cSPo Liu 45*eb6b458cSPo Liu void board_init_r(gd_t *gd, ulong dest_addr) 46*eb6b458cSPo Liu { 47*eb6b458cSPo Liu puts("SPL\n"); 48*eb6b458cSPo Liu nand_boot(); 49*eb6b458cSPo Liu } 50*eb6b458cSPo Liu 51*eb6b458cSPo Liu void putc(char c) 52*eb6b458cSPo Liu { 53*eb6b458cSPo Liu if (c == '\n') 54*eb6b458cSPo Liu NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r'); 55*eb6b458cSPo Liu 56*eb6b458cSPo Liu NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c); 57*eb6b458cSPo Liu } 58*eb6b458cSPo Liu 59*eb6b458cSPo Liu void puts(const char *str) 60*eb6b458cSPo Liu { 61*eb6b458cSPo Liu while (*str) 62*eb6b458cSPo Liu putc(*str++); 63*eb6b458cSPo Liu } 64