1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+ 2eb6b458cSPo Liu /* Copyright 2013 Freescale Semiconductor, Inc. 3eb6b458cSPo Liu */ 4eb6b458cSPo Liu 5eb6b458cSPo Liu #include <common.h> 6eb6b458cSPo Liu #include <mpc85xx.h> 7eb6b458cSPo Liu #include <asm/io.h> 8eb6b458cSPo Liu #include <ns16550.h> 9eb6b458cSPo Liu #include <nand.h> 10eb6b458cSPo Liu #include <asm/mmu.h> 11eb6b458cSPo Liu #include <asm/immap_85xx.h> 12eb6b458cSPo Liu #include <asm/fsl_law.h> 13eb6b458cSPo Liu #include <asm/global_data.h> 14eb6b458cSPo Liu 15eb6b458cSPo Liu DECLARE_GLOBAL_DATA_PTR; 16eb6b458cSPo Liu 17eb6b458cSPo Liu void board_init_f(ulong bootflag) 18eb6b458cSPo Liu { 19eb6b458cSPo Liu u32 plat_ratio; 20eb6b458cSPo Liu ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 21eb6b458cSPo Liu 22eb6b458cSPo Liu #if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM) 23eb6b458cSPo Liu set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM); 24eb6b458cSPo Liu set_lbc_or(0, CONFIG_SYS_NAND_OR_PRELIM); 25eb6b458cSPo Liu #endif 26eb6b458cSPo Liu 27eb6b458cSPo Liu /* initialize selected port with appropriate baud rate */ 28eb6b458cSPo Liu plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; 29eb6b458cSPo Liu plat_ratio >>= 1; 30eb6b458cSPo Liu gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; 31eb6b458cSPo Liu 32eb6b458cSPo Liu NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, 33eb6b458cSPo Liu gd->bus_clk / 16 / CONFIG_BAUDRATE); 34eb6b458cSPo Liu 35eb6b458cSPo Liu puts("\nNAND boot...\n"); 36eb6b458cSPo Liu 37eb6b458cSPo Liu /* copy code to RAM and jump to it - this should not return */ 38eb6b458cSPo Liu /* NOTE - code has to be copied out of NAND buffer before 39eb6b458cSPo Liu * other blocks can be read. 40eb6b458cSPo Liu */ 41eb6b458cSPo Liu relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); 42eb6b458cSPo Liu } 43eb6b458cSPo Liu 44eb6b458cSPo Liu void board_init_r(gd_t *gd, ulong dest_addr) 45eb6b458cSPo Liu { 46eb6b458cSPo Liu puts("SPL\n"); 47eb6b458cSPo Liu nand_boot(); 48eb6b458cSPo Liu } 49eb6b458cSPo Liu 50eb6b458cSPo Liu void putc(char c) 51eb6b458cSPo Liu { 52eb6b458cSPo Liu if (c == '\n') 53eb6b458cSPo Liu NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r'); 54eb6b458cSPo Liu 55eb6b458cSPo Liu NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c); 56eb6b458cSPo Liu } 57eb6b458cSPo Liu 58eb6b458cSPo Liu void puts(const char *str) 59eb6b458cSPo Liu { 60eb6b458cSPo Liu while (*str) 61eb6b458cSPo Liu putc(*str++); 62eb6b458cSPo Liu } 63