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3e6e6983 YZ |
1 | /* |
2 | * Copyright 2013 Freescale Semiconductor, Inc. | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | ||
7 | #include <common.h> | |
24b852a7 | 8 | #include <console.h> |
3e6e6983 YZ |
9 | #include <ns16550.h> |
10 | #include <malloc.h> | |
11 | #include <mmc.h> | |
12 | #include <nand.h> | |
13 | #include <i2c.h> | |
14 | #include <fsl_esdhc.h> | |
d34e5624 | 15 | #include <spi_flash.h> |
3e6e6983 YZ |
16 | |
17 | DECLARE_GLOBAL_DATA_PTR; | |
18 | ||
19 | static const u32 sysclk_tbl[] = { | |
20 | 66666000, 7499900, 83332500, 8999900, | |
21 | 99999000, 11111000, 12499800, 13333200 | |
22 | }; | |
23 | ||
e3866163 | 24 | phys_size_t get_effective_memsize(void) |
3e6e6983 YZ |
25 | { |
26 | return CONFIG_SYS_L2_SIZE; | |
27 | } | |
28 | ||
29 | void board_init_f(ulong bootflag) | |
30 | { | |
31 | u32 plat_ratio, bus_clk; | |
32 | ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; | |
33 | ||
34 | console_init_f(); | |
35 | ||
36 | /* Set pmuxcr to allow both i2c1 and i2c2 */ | |
37 | setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000); | |
38 | setbits_be32(&gur->pmuxcr, | |
39 | in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA); | |
40 | ||
41 | /* Read back the register to synchronize the write. */ | |
42 | in_be32(&gur->pmuxcr); | |
43 | ||
d34e5624 YZ |
44 | #ifdef CONFIG_SPL_SPI_BOOT |
45 | clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA); | |
46 | #endif | |
47 | ||
3e6e6983 YZ |
48 | /* initialize selected port with appropriate baud rate */ |
49 | plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; | |
50 | plat_ratio >>= 1; | |
51 | bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; | |
52 | gd->bus_clk = bus_clk; | |
53 | ||
54 | NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, | |
55 | bus_clk / 16 / CONFIG_BAUDRATE); | |
56 | #ifdef CONFIG_SPL_MMC_BOOT | |
57 | puts("\nSD boot...\n"); | |
d34e5624 YZ |
58 | #elif defined(CONFIG_SPL_SPI_BOOT) |
59 | puts("\nSPI Flash boot...\n"); | |
3e6e6983 YZ |
60 | #endif |
61 | ||
62 | /* copy code to RAM and jump to it - this should not return */ | |
63 | /* NOTE - code has to be copied out of NAND buffer before | |
64 | * other blocks can be read. | |
65 | */ | |
66 | relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); | |
67 | } | |
68 | ||
69 | void board_init_r(gd_t *gd, ulong dest_addr) | |
70 | { | |
71 | /* Pointer is writable since we allocated a register for it */ | |
72 | gd = (gd_t *)CONFIG_SPL_GD_ADDR; | |
73 | bd_t *bd; | |
74 | ||
75 | memset(gd, 0, sizeof(gd_t)); | |
76 | bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t)); | |
77 | memset(bd, 0, sizeof(bd_t)); | |
78 | gd->bd = bd; | |
79 | bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR; | |
80 | bd->bi_memsize = CONFIG_SYS_L2_SIZE; | |
81 | ||
82 | probecpu(); | |
83 | get_clocks(); | |
84 | mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, | |
85 | CONFIG_SPL_RELOC_MALLOC_SIZE); | |
86 | ||
62c6ef33 | 87 | #ifndef CONFIG_SPL_NAND_BOOT |
3e6e6983 | 88 | env_init(); |
62c6ef33 | 89 | #endif |
3e6e6983 YZ |
90 | #ifdef CONFIG_SPL_MMC_BOOT |
91 | mmc_initialize(bd); | |
92 | #endif | |
93 | /* relocate environment function pointers etc. */ | |
62c6ef33 YZ |
94 | #ifdef CONFIG_SPL_NAND_BOOT |
95 | nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, | |
96 | (uchar *)CONFIG_ENV_ADDR); | |
97 | gd->env_addr = (ulong)(CONFIG_ENV_ADDR); | |
98 | gd->env_valid = 1; | |
99 | #else | |
3e6e6983 | 100 | env_relocate(); |
62c6ef33 | 101 | #endif |
3e6e6983 YZ |
102 | |
103 | #ifdef CONFIG_SYS_I2C | |
104 | i2c_init_all(); | |
105 | #else | |
106 | i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); | |
107 | #endif | |
108 | ||
109 | gd->ram_size = initdram(0); | |
62c6ef33 YZ |
110 | #ifdef CONFIG_SPL_NAND_BOOT |
111 | puts("Tertiary program loader running in sram..."); | |
112 | #else | |
3e6e6983 | 113 | puts("Second program loader running in sram...\n"); |
62c6ef33 | 114 | #endif |
3e6e6983 YZ |
115 | |
116 | #ifdef CONFIG_SPL_MMC_BOOT | |
117 | mmc_boot(); | |
d34e5624 YZ |
118 | #elif defined(CONFIG_SPL_SPI_BOOT) |
119 | spi_boot(); | |
62c6ef33 YZ |
120 | #elif defined(CONFIG_SPL_NAND_BOOT) |
121 | nand_boot(); | |
3e6e6983 YZ |
122 | #endif |
123 | } |