xref: /openbmc/u-boot/board/freescale/t208xrdb/spl.c (revision 29b103c7)
1 /* Copyright 2013 Freescale Semiconductor, Inc.
2  *
3  * SPDX-License-Identifier:    GPL-2.0+
4  */
5 
6 #include <common.h>
7 #include <malloc.h>
8 #include <ns16550.h>
9 #include <nand.h>
10 #include <i2c.h>
11 #include <mmc.h>
12 #include <fsl_esdhc.h>
13 #include <spi_flash.h>
14 
15 DECLARE_GLOBAL_DATA_PTR;
16 
17 phys_size_t get_effective_memsize(void)
18 {
19 	return CONFIG_SYS_L3_SIZE;
20 }
21 
22 unsigned long get_board_sys_clk(void)
23 {
24 	return CONFIG_SYS_CLK_FREQ;
25 }
26 
27 unsigned long get_board_ddr_clk(void)
28 {
29 	return CONFIG_DDR_CLK_FREQ;
30 }
31 
32 void board_init_f(ulong bootflag)
33 {
34 	u32 plat_ratio, sys_clk, ccb_clk;
35 	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
36 
37 	/* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
38 	memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
39 
40 	/* Update GD pointer */
41 	gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
42 
43 	console_init_f();
44 
45 	/* initialize selected port with appropriate baud rate */
46 	sys_clk = get_board_sys_clk();
47 	plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
48 	ccb_clk = sys_clk * plat_ratio / 2;
49 
50 	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
51 		     ccb_clk / 16 / CONFIG_BAUDRATE);
52 
53 #if defined(CONFIG_SPL_MMC_BOOT)
54 	puts("\nSD boot...\n");
55 #elif defined(CONFIG_SPL_SPI_BOOT)
56 	puts("\nSPI boot...\n");
57 #elif defined(CONFIG_SPL_NAND_BOOT)
58 	puts("\nNAND boot...\n");
59 #endif
60 
61 	relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
62 }
63 
64 void board_init_r(gd_t *gd, ulong dest_addr)
65 {
66 	bd_t *bd;
67 
68 	bd = (bd_t *)(gd + sizeof(gd_t));
69 	memset(bd, 0, sizeof(bd_t));
70 	gd->bd = bd;
71 	bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
72 	bd->bi_memsize = CONFIG_SYS_L3_SIZE;
73 
74 	probecpu();
75 	get_clocks();
76 	mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
77 			CONFIG_SPL_RELOC_MALLOC_SIZE);
78 
79 #ifdef CONFIG_SPL_NAND_BOOT
80 	nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
81 			    (uchar *)CONFIG_ENV_ADDR);
82 #endif
83 #ifdef CONFIG_SPL_MMC_BOOT
84 	mmc_initialize(bd);
85 	mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
86 			   (uchar *)CONFIG_ENV_ADDR);
87 #endif
88 #ifdef CONFIG_SPL_SPI_BOOT
89 	spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
90 			   (uchar *)CONFIG_ENV_ADDR);
91 #endif
92 
93 	gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
94 	gd->env_valid = 1;
95 
96 	i2c_init_all();
97 
98 	gd->ram_size = initdram(0);
99 
100 #ifdef CONFIG_SPL_MMC_BOOT
101 	mmc_boot();
102 #elif defined(CONFIG_SPL_SPI_BOOT)
103 	spi_boot();
104 #elif defined(CONFIG_SPL_NAND_BOOT)
105 	nand_boot();
106 #endif
107 }
108