1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2015 Freescale Semiconductor, Inc.
4 *
5 * Author: Chunhe Lan <Chunhe.Lan@freescale.com>
6 */
7
8 #include <config.h>
9 #include <clock_legacy.h>
10 #include <console.h>
11 #include <env_internal.h>
12 #include <init.h>
13 #include <asm/global_data.h>
14 #include <asm/spl.h>
15 #include <malloc.h>
16 #include <ns16550.h>
17 #include <nand.h>
18 #include <mmc.h>
19 #include <fsl_esdhc.h>
20 #include <i2c.h>
21
22 #include "t4rdb.h"
23
24 #define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000
25
26 DECLARE_GLOBAL_DATA_PTR;
27
get_effective_memsize(void)28 phys_size_t get_effective_memsize(void)
29 {
30 return CONFIG_SYS_L3_SIZE;
31 }
32
board_init_f(ulong bootflag)33 void board_init_f(ulong bootflag)
34 {
35 u32 plat_ratio, sys_clk, ccb_clk;
36 ccsr_gur_t *gur = (void *)CFG_SYS_MPC85xx_GUTS_ADDR;
37
38 /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
39 memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
40
41 /* Update GD pointer */
42 gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
43
44 /* compiler optimization barrier needed for GCC >= 3.4 */
45 __asm__ __volatile__("" : : : "memory");
46
47 console_init_f();
48
49 /* initialize selected port with appropriate baud rate */
50 sys_clk = get_board_sys_clk();
51 plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
52 ccb_clk = sys_clk * plat_ratio / 2;
53
54 ns16550_init((struct ns16550 *)CFG_SYS_NS16550_COM1,
55 ccb_clk / 16 / CONFIG_BAUDRATE);
56
57 puts("\nSD boot...\n");
58
59 relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
60 }
61
board_init_r(gd_t * gd,ulong dest_addr)62 void board_init_r(gd_t *gd, ulong dest_addr)
63 {
64 struct bd_info *bd;
65
66 bd = (struct bd_info *)(gd + sizeof(gd_t));
67 memset(bd, 0, sizeof(struct bd_info));
68 gd->bd = bd;
69
70 arch_cpu_init();
71 get_clocks();
72 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
73 CONFIG_SPL_RELOC_MALLOC_SIZE);
74 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
75
76 mmc_initialize(bd);
77 mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
78 (uchar *)SPL_ENV_ADDR);
79
80 gd->env_addr = (ulong)(SPL_ENV_ADDR);
81 gd->env_valid = ENV_VALID;
82
83 i2c_init_all();
84
85 dram_init();
86
87 mmc_boot();
88 }
89