2 * Copyright 2009 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm/immap_85xx.h>
13 #include <asm/fsl_ddr_sdram.h>
14 #include <asm/fsl_law.h>
16 #define SYSCLK_MASK 0x00200000
17 #define BOARDREV_MASK 0x10100000
18 #define BOARDREV_B 0x10100000
19 #define BOARDREV_C 0x00100000
21 #define SYSCLK_66 66666666
22 #define SYSCLK_50 50000000
23 #define SYSCLK_100 100000000
25 DECLARE_GLOBAL_DATA_PTR;
27 void board_init_f(ulong bootflag)
29 uint plat_ratio, bus_clk, sys_clk = 0;
30 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
31 volatile ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
32 uint val, temp, sysclk_mask;
35 sysclk_mask = val & SYSCLK_MASK;
36 temp = val & BOARDREV_MASK;
37 if (temp == BOARDREV_C) {
42 } else if (temp == BOARDREV_B) {
49 plat_ratio = gur->porpllsr & 0x0000003e;
51 bus_clk = plat_ratio * sys_clk;
52 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
53 bus_clk / 16 / CONFIG_BAUDRATE);
55 puts("\nNAND boot... ");
57 /* copy code to DDR and jump to it - this should not return */
58 /* NOTE - code has to be copied out of NAND buffer before
59 * other blocks can be read.
61 relocate_code(CONFIG_SYS_NAND_U_BOOT_RELOC_SP, 0,
62 CONFIG_SYS_NAND_U_BOOT_RELOC);
65 void board_init_r(gd_t *gd, ulong dest_addr)
73 NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r');
75 NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c);
78 void puts(const char *str)