blob: 4c1e0cc8d0e83ad2b127a0e406d2f3203896d5f1 [file] [log] [blame]
Chunhe Lan373762c2015-03-20 17:08:54 +08001/*
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>
Simon Glass24b852a2015-11-08 23:47:45 -070010#include <console.h>
Chunhe Lan373762c2015-03-20 17:08:54 +080011#include <asm/spl.h>
12#include <malloc.h>
13#include <ns16550.h>
14#include <nand.h>
15#include <mmc.h>
16#include <fsl_esdhc.h>
17#include <i2c.h>
18
19#include "t4rdb.h"
20
21#define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000
22
23DECLARE_GLOBAL_DATA_PTR;
24
25phys_size_t get_effective_memsize(void)
26{
27 return CONFIG_SYS_L3_SIZE;
28}
29
30unsigned long get_board_sys_clk(void)
31{
32 return CONFIG_SYS_CLK_FREQ;
33}
34
35unsigned long get_board_ddr_clk(void)
36{
37 return CONFIG_DDR_CLK_FREQ;
38}
39
40void board_init_f(ulong bootflag)
41{
42 u32 plat_ratio, sys_clk, ccb_clk;
43 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
44
45 /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
46 memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
47
48 /* Update GD pointer */
49 gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
50
51 /* compiler optimization barrier needed for GCC >= 3.4 */
52 __asm__ __volatile__("" : : : "memory");
53
54 console_init_f();
55
56 /* initialize selected port with appropriate baud rate */
57 sys_clk = get_board_sys_clk();
58 plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
59 ccb_clk = sys_clk * plat_ratio / 2;
60
61 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
62 ccb_clk / 16 / CONFIG_BAUDRATE);
63
64 puts("\nSD boot...\n");
65
66 relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
67}
68
69void board_init_r(gd_t *gd, ulong dest_addr)
70{
71 bd_t *bd;
72
73 bd = (bd_t *)(gd + sizeof(gd_t));
74 memset(bd, 0, sizeof(bd_t));
75 gd->bd = bd;
76 bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
77 bd->bi_memsize = CONFIG_SYS_L3_SIZE;
78
79 probecpu();
80 get_clocks();
81 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
82 CONFIG_SPL_RELOC_MALLOC_SIZE);
83
84 mmc_initialize(bd);
85 mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
86 (uchar *)CONFIG_ENV_ADDR);
87
88 gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
89 gd->env_valid = 1;
90
91 i2c_init_all();
92
93 gd->ram_size = initdram(0);
94
95 mmc_boot();
96}