xref: /openbmc/u-boot/board/freescale/t208xrdb/spl.c (revision 48263504)
1 /* Copyright 2013 Freescale Semiconductor, Inc.
2  *
3  * SPDX-License-Identifier:    GPL-2.0+
4  */
5 
6 #include <common.h>
7 #include <console.h>
8 #include <environment.h>
9 #include <malloc.h>
10 #include <ns16550.h>
11 #include <nand.h>
12 #include <i2c.h>
13 #include <mmc.h>
14 #include <fsl_esdhc.h>
15 #include <spi_flash.h>
16 #include "../common/spl.h"
17 
18 DECLARE_GLOBAL_DATA_PTR;
19 
20 phys_size_t get_effective_memsize(void)
21 {
22 	return CONFIG_SYS_L3_SIZE;
23 }
24 
25 unsigned long get_board_sys_clk(void)
26 {
27 	return CONFIG_SYS_CLK_FREQ;
28 }
29 
30 unsigned long get_board_ddr_clk(void)
31 {
32 	return CONFIG_DDR_CLK_FREQ;
33 }
34 
35 void board_init_f(ulong bootflag)
36 {
37 	u32 plat_ratio, sys_clk, ccb_clk;
38 	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
39 
40 	/* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
41 	memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
42 
43 	/* Update GD pointer */
44 	gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
45 
46 	console_init_f();
47 
48 	/* initialize selected port with appropriate baud rate */
49 	sys_clk = get_board_sys_clk();
50 	plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
51 	ccb_clk = sys_clk * plat_ratio / 2;
52 
53 	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
54 		     ccb_clk / 16 / CONFIG_BAUDRATE);
55 
56 #if defined(CONFIG_SPL_MMC_BOOT)
57 	puts("\nSD boot...\n");
58 #elif defined(CONFIG_SPL_SPI_BOOT)
59 	puts("\nSPI boot...\n");
60 #elif defined(CONFIG_SPL_NAND_BOOT)
61 	puts("\nNAND boot...\n");
62 #endif
63 
64 	relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
65 }
66 
67 void board_init_r(gd_t *gd, ulong dest_addr)
68 {
69 	bd_t *bd;
70 
71 	bd = (bd_t *)(gd + sizeof(gd_t));
72 	memset(bd, 0, sizeof(bd_t));
73 	gd->bd = bd;
74 	bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
75 	bd->bi_memsize = CONFIG_SYS_L3_SIZE;
76 
77 	arch_cpu_init();
78 	get_clocks();
79 	mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
80 			CONFIG_SPL_RELOC_MALLOC_SIZE);
81 	gd->flags |= GD_FLG_FULL_MALLOC_INIT;
82 
83 #ifdef CONFIG_SPL_NAND_BOOT
84 	nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
85 			    (uchar *)CONFIG_ENV_ADDR);
86 #endif
87 #ifdef CONFIG_SPL_MMC_BOOT
88 	mmc_initialize(bd);
89 	mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
90 			   (uchar *)CONFIG_ENV_ADDR);
91 #endif
92 #ifdef CONFIG_SPL_SPI_BOOT
93 	fsl_spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
94 			       (uchar *)CONFIG_ENV_ADDR);
95 #endif
96 
97 	gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
98 	gd->env_valid = ENV_VALID;
99 
100 	i2c_init_all();
101 
102 	dram_init();
103 
104 #ifdef CONFIG_SPL_MMC_BOOT
105 	mmc_boot();
106 #elif defined(CONFIG_SPL_SPI_BOOT)
107 	fsl_spi_boot();
108 #elif defined(CONFIG_SPL_NAND_BOOT)
109 	nand_boot();
110 #endif
111 }
112