1 /*
2 * Copyright 2015 Freescale Semiconductor, Inc.
3 *
4 * Author: Chunhe Lan <Chunhe.Lan@freescale.com>
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 */
8
9 #include <common.h>
10 #include <console.h>
11 #include <environment.h>
12 #include <asm/spl.h>
13 #include <malloc.h>
14 #include <ns16550.h>
15 #include <nand.h>
16 #include <mmc.h>
17 #include <fsl_esdhc.h>
18 #include <i2c.h>
19
20 #include "t4rdb.h"
21
22 #define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000
23
24 DECLARE_GLOBAL_DATA_PTR;
25
get_effective_memsize(void)26 phys_size_t get_effective_memsize(void)
27 {
28 return CONFIG_SYS_L3_SIZE;
29 }
30
get_board_sys_clk(void)31 unsigned long get_board_sys_clk(void)
32 {
33 return CONFIG_SYS_CLK_FREQ;
34 }
35
get_board_ddr_clk(void)36 unsigned long get_board_ddr_clk(void)
37 {
38 return CONFIG_DDR_CLK_FREQ;
39 }
40
board_init_f(ulong bootflag)41 void board_init_f(ulong bootflag)
42 {
43 u32 plat_ratio, sys_clk, ccb_clk;
44 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
45
46 /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
47 memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
48
49 /* Update GD pointer */
50 gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
51
52 /* compiler optimization barrier needed for GCC >= 3.4 */
53 __asm__ __volatile__("" : : : "memory");
54
55 console_init_f();
56
57 /* initialize selected port with appropriate baud rate */
58 sys_clk = get_board_sys_clk();
59 plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
60 ccb_clk = sys_clk * plat_ratio / 2;
61
62 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
63 ccb_clk / 16 / CONFIG_BAUDRATE);
64
65 puts("\nSD boot...\n");
66
67 relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
68 }
69
board_init_r(gd_t * gd,ulong dest_addr)70 void board_init_r(gd_t *gd, ulong dest_addr)
71 {
72 bd_t *bd;
73
74 bd = (bd_t *)(gd + sizeof(gd_t));
75 memset(bd, 0, sizeof(bd_t));
76 gd->bd = bd;
77 bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
78 bd->bi_memsize = CONFIG_SYS_L3_SIZE;
79
80 arch_cpu_init();
81 get_clocks();
82 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
83 CONFIG_SPL_RELOC_MALLOC_SIZE);
84 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
85
86 mmc_initialize(bd);
87 mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
88 (uchar *)CONFIG_ENV_ADDR);
89
90 gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
91 gd->env_valid = ENV_VALID;
92
93 i2c_init_all();
94
95 dram_init();
96
97 mmc_boot();
98 }
99