1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
28b0044ffSOleksandr G Zhadan /*
38b0044ffSOleksandr G Zhadan * Copyright 2013-2015 Arcturus Networks, Inc.
48b0044ffSOleksandr G Zhadan * http://www.arcturusnetworks.com/products/ucp1020/
58b0044ffSOleksandr G Zhadan * based on board/freescale/p1_p2_rdb_pc/spl_minimal.c
68b0044ffSOleksandr G Zhadan * original copyright follows:
78b0044ffSOleksandr G Zhadan * Copyright 2011 Freescale Semiconductor, Inc.
88b0044ffSOleksandr G Zhadan */
98b0044ffSOleksandr G Zhadan
108b0044ffSOleksandr G Zhadan #include <common.h>
118b0044ffSOleksandr G Zhadan #include <ns16550.h>
128b0044ffSOleksandr G Zhadan #include <asm/io.h>
138b0044ffSOleksandr G Zhadan #include <nand.h>
148b0044ffSOleksandr G Zhadan #include <linux/compiler.h>
158b0044ffSOleksandr G Zhadan #include <asm/fsl_law.h>
168b0044ffSOleksandr G Zhadan #include <fsl_ddr_sdram.h>
178b0044ffSOleksandr G Zhadan #include <asm/global_data.h>
188b0044ffSOleksandr G Zhadan
198b0044ffSOleksandr G Zhadan DECLARE_GLOBAL_DATA_PTR;
208b0044ffSOleksandr G Zhadan
board_init_f(ulong bootflag)218b0044ffSOleksandr G Zhadan void board_init_f(ulong bootflag)
228b0044ffSOleksandr G Zhadan {
238b0044ffSOleksandr G Zhadan u32 plat_ratio;
248b0044ffSOleksandr G Zhadan ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
258b0044ffSOleksandr G Zhadan
268b0044ffSOleksandr G Zhadan #if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM)
278b0044ffSOleksandr G Zhadan set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM);
288b0044ffSOleksandr G Zhadan set_lbc_or(0, CONFIG_SYS_NAND_OR_PRELIM);
298b0044ffSOleksandr G Zhadan #endif
308b0044ffSOleksandr G Zhadan
318b0044ffSOleksandr G Zhadan /* initialize selected port with appropriate baud rate */
328b0044ffSOleksandr G Zhadan plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
338b0044ffSOleksandr G Zhadan plat_ratio >>= 1;
348b0044ffSOleksandr G Zhadan gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;
358b0044ffSOleksandr G Zhadan
368b0044ffSOleksandr G Zhadan NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
378b0044ffSOleksandr G Zhadan gd->bus_clk / 16 / CONFIG_BAUDRATE);
388b0044ffSOleksandr G Zhadan
398b0044ffSOleksandr G Zhadan puts("\nNAND boot... ");
408b0044ffSOleksandr G Zhadan
418b0044ffSOleksandr G Zhadan /* copy code to RAM and jump to it - this should not return */
428b0044ffSOleksandr G Zhadan /* NOTE - code has to be copied out of NAND buffer before
438b0044ffSOleksandr G Zhadan * other blocks can be read.
448b0044ffSOleksandr G Zhadan */
458b0044ffSOleksandr G Zhadan relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
468b0044ffSOleksandr G Zhadan }
478b0044ffSOleksandr G Zhadan
board_init_r(gd_t * gd,ulong dest_addr)488b0044ffSOleksandr G Zhadan void board_init_r(gd_t *gd, ulong dest_addr)
498b0044ffSOleksandr G Zhadan {
508b0044ffSOleksandr G Zhadan puts("\nSecond program loader running in sram...");
518b0044ffSOleksandr G Zhadan nand_boot();
528b0044ffSOleksandr G Zhadan }
538b0044ffSOleksandr G Zhadan
putc(char c)548b0044ffSOleksandr G Zhadan void putc(char c)
558b0044ffSOleksandr G Zhadan {
568b0044ffSOleksandr G Zhadan if (c == '\n')
578b0044ffSOleksandr G Zhadan NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r');
588b0044ffSOleksandr G Zhadan
598b0044ffSOleksandr G Zhadan NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c);
608b0044ffSOleksandr G Zhadan }
618b0044ffSOleksandr G Zhadan
puts(const char * str)628b0044ffSOleksandr G Zhadan void puts(const char *str)
638b0044ffSOleksandr G Zhadan {
648b0044ffSOleksandr G Zhadan while (*str)
658b0044ffSOleksandr G Zhadan putc(*str++);
668b0044ffSOleksandr G Zhadan }
67