xref: /openbmc/u-boot/board/freescale/t208xrdb/spl.c (revision 08592136)
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 <malloc.h>
9 #include <ns16550.h>
10 #include <nand.h>
11 #include <i2c.h>
12 #include <mmc.h>
13 #include <fsl_esdhc.h>
14 #include <spi_flash.h>
15 
16 DECLARE_GLOBAL_DATA_PTR;
17 
18 phys_size_t get_effective_memsize(void)
19 {
20 	return CONFIG_SYS_L3_SIZE;
21 }
22 
23 unsigned long get_board_sys_clk(void)
24 {
25 	return CONFIG_SYS_CLK_FREQ;
26 }
27 
28 unsigned long get_board_ddr_clk(void)
29 {
30 	return CONFIG_DDR_CLK_FREQ;
31 }
32 
33 void board_init_f(ulong bootflag)
34 {
35 	u32 plat_ratio, sys_clk, ccb_clk;
36 	ccsr_gur_t *gur = (void *)CONFIG_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 	console_init_f();
45 
46 	/* initialize selected port with appropriate baud rate */
47 	sys_clk = get_board_sys_clk();
48 	plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
49 	ccb_clk = sys_clk * plat_ratio / 2;
50 
51 	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
52 		     ccb_clk / 16 / CONFIG_BAUDRATE);
53 
54 #if defined(CONFIG_SPL_MMC_BOOT)
55 	puts("\nSD boot...\n");
56 #elif defined(CONFIG_SPL_SPI_BOOT)
57 	puts("\nSPI boot...\n");
58 #elif defined(CONFIG_SPL_NAND_BOOT)
59 	puts("\nNAND boot...\n");
60 #endif
61 
62 	relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
63 }
64 
65 void board_init_r(gd_t *gd, ulong dest_addr)
66 {
67 	bd_t *bd;
68 
69 	bd = (bd_t *)(gd + sizeof(gd_t));
70 	memset(bd, 0, sizeof(bd_t));
71 	gd->bd = bd;
72 	bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
73 	bd->bi_memsize = CONFIG_SYS_L3_SIZE;
74 
75 	probecpu();
76 	get_clocks();
77 	mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
78 			CONFIG_SPL_RELOC_MALLOC_SIZE);
79 
80 #ifdef CONFIG_SPL_NAND_BOOT
81 	nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
82 			    (uchar *)CONFIG_ENV_ADDR);
83 #endif
84 #ifdef CONFIG_SPL_MMC_BOOT
85 	mmc_initialize(bd);
86 	mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
87 			   (uchar *)CONFIG_ENV_ADDR);
88 #endif
89 #ifdef CONFIG_SPL_SPI_BOOT
90 	spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
91 			   (uchar *)CONFIG_ENV_ADDR);
92 #endif
93 
94 	gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
95 	gd->env_valid = 1;
96 
97 	i2c_init_all();
98 
99 	gd->ram_size = initdram(0);
100 
101 #ifdef CONFIG_SPL_MMC_BOOT
102 	mmc_boot();
103 #elif defined(CONFIG_SPL_SPI_BOOT)
104 	spi_boot();
105 #elif defined(CONFIG_SPL_NAND_BOOT)
106 	nand_boot();
107 #endif
108 }
109