1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2013-2015 Arcturus Networks, Inc. 4 * http://www.arcturusnetworks.com/products/ucp1020/ 5 * based on board/freescale/p1_p2_rdb_pc/spl_minimal.c 6 * original copyright follows: 7 * Copyright 2011 Freescale Semiconductor, Inc. 8 */ 9 10 #include <common.h> 11 #include <ns16550.h> 12 #include <asm/io.h> 13 #include <nand.h> 14 #include <linux/compiler.h> 15 #include <asm/fsl_law.h> 16 #include <fsl_ddr_sdram.h> 17 #include <asm/global_data.h> 18 19 DECLARE_GLOBAL_DATA_PTR; 20 21 void board_init_f(ulong bootflag) 22 { 23 u32 plat_ratio; 24 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; 25 26 #if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM) 27 set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM); 28 set_lbc_or(0, CONFIG_SYS_NAND_OR_PRELIM); 29 #endif 30 31 /* initialize selected port with appropriate baud rate */ 32 plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; 33 plat_ratio >>= 1; 34 gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; 35 36 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, 37 gd->bus_clk / 16 / CONFIG_BAUDRATE); 38 39 puts("\nNAND boot... "); 40 41 /* copy code to RAM and jump to it - this should not return */ 42 /* NOTE - code has to be copied out of NAND buffer before 43 * other blocks can be read. 44 */ 45 relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); 46 } 47 48 void board_init_r(gd_t *gd, ulong dest_addr) 49 { 50 puts("\nSecond program loader running in sram..."); 51 nand_boot(); 52 } 53 54 void putc(char c) 55 { 56 if (c == '\n') 57 NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r'); 58 59 NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c); 60 } 61 62 void puts(const char *str) 63 { 64 while (*str) 65 putc(*str++); 66 } 67
