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d793e5a8 DD |
1 | /* |
2 | * Copyright 2011 Freescale Semiconductor, Inc. | |
3 | * | |
1a459660 | 4 | * SPDX-License-Identifier: GPL-2.0+ |
d793e5a8 DD |
5 | */ |
6 | #include <common.h> | |
7 | #include <mpc85xx.h> | |
8 | #include <asm/io.h> | |
9 | #include <ns16550.h> | |
10 | #include <nand.h> | |
11 | #include <asm/mmu.h> | |
12 | #include <asm/immap_85xx.h> | |
5614e71b | 13 | #include <fsl_ddr_sdram.h> |
d793e5a8 | 14 | #include <asm/fsl_law.h> |
8c454047 | 15 | #include <asm/global_data.h> |
d793e5a8 | 16 | |
8c454047 | 17 | DECLARE_GLOBAL_DATA_PTR; |
d793e5a8 | 18 | |
d793e5a8 DD |
19 | void board_init_f(ulong bootflag) |
20 | { | |
0fa934d2 | 21 | u32 plat_ratio; |
d793e5a8 DD |
22 | ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; |
23 | ||
c9e1f588 YZ |
24 | #if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM) |
25 | set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM); | |
26 | set_lbc_or(0, CONFIG_SYS_NAND_OR_PRELIM); | |
27 | #endif | |
28 | ||
d793e5a8 DD |
29 | /* initialize selected port with appropriate baud rate */ |
30 | plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; | |
31 | plat_ratio >>= 1; | |
8c454047 | 32 | gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; |
d793e5a8 | 33 | |
d793e5a8 | 34 | NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, |
8c454047 | 35 | gd->bus_clk / 16 / CONFIG_BAUDRATE); |
d793e5a8 DD |
36 | |
37 | puts("\nNAND boot... "); | |
38 | ||
d793e5a8 DD |
39 | /* copy code to RAM and jump to it - this should not return */ |
40 | /* NOTE - code has to be copied out of NAND buffer before | |
41 | * other blocks can be read. | |
42 | */ | |
0fa934d2 PK |
43 | |
44 | relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); | |
d793e5a8 DD |
45 | } |
46 | ||
47 | void board_init_r(gd_t *gd, ulong dest_addr) | |
48 | { | |
c9e1f588 | 49 | puts("\nSecond program loader running in sram..."); |
d793e5a8 DD |
50 | nand_boot(); |
51 | } | |
52 | ||
53 | void putc(char c) | |
54 | { | |
55 | if (c == '\n') | |
56 | NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r'); | |
57 | ||
58 | NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c); | |
59 | } | |
60 | ||
61 | void puts(const char *str) | |
62 | { | |
63 | while (*str) | |
64 | putc(*str++); | |
65 | } |