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
board_init_f(ulong bootflag)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
board_init_r(gd_t * gd,ulong dest_addr)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
putc(char c)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
puts(const char * str)58eb6b458cSPo Liu void puts(const char *str)
59eb6b458cSPo Liu {
60eb6b458cSPo Liu while (*str)
61eb6b458cSPo Liu putc(*str++);
62eb6b458cSPo Liu }
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