xref: /openbmc/u-boot/board/freescale/t104xrdb/spl.c (revision 3d357619)
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 #include "../common/sleep.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 #define FSL_CORENET_CCSR_PORSR1_RCW_MASK	0xFF800000
34 void board_init_f(ulong bootflag)
35 {
36 	u32 plat_ratio, sys_clk, uart_clk;
37 #if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND)
38 	u32 porsr1, pinctl;
39 	u32 svr = get_svr();
40 #endif
41 	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
42 
43 #if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND)
44 	if (IS_SVR_REV(svr, 1, 0)) {
45 		/*
46 		 * There is T1040 SoC issue where NOR, FPGA are inaccessible
47 		 * during NAND boot because IFC signals > IFC_AD7 are not
48 		 * enabled. This workaround changes RCW source to make all
49 		 * signals enabled.
50 		 */
51 		porsr1 = in_be32(&gur->porsr1);
52 		pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK))
53 			  | 0x24800000);
54 		out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000),
55 			 pinctl);
56 	}
57 #endif
58 
59 	/* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
60 	memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
61 
62 	/* Update GD pointer */
63 	gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
64 
65 #ifdef CONFIG_DEEP_SLEEP
66 	/* disable the console if boot from deep sleep */
67 	if (is_warm_boot())
68 		fsl_dp_disable_console();
69 #endif
70 	/* compiler optimization barrier needed for GCC >= 3.4 */
71 	__asm__ __volatile__("" : : : "memory");
72 
73 	console_init_f();
74 
75 	/* initialize selected port with appropriate baud rate */
76 	sys_clk = get_board_sys_clk();
77 	plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
78 	uart_clk = sys_clk * plat_ratio / 2;
79 
80 	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
81 		     uart_clk / 16 / CONFIG_BAUDRATE);
82 
83 	relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
84 }
85 
86 void board_init_r(gd_t *gd, ulong dest_addr)
87 {
88 	bd_t *bd;
89 
90 	bd = (bd_t *)(gd + sizeof(gd_t));
91 	memset(bd, 0, sizeof(bd_t));
92 	gd->bd = bd;
93 	bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
94 	bd->bi_memsize = CONFIG_SYS_L3_SIZE;
95 
96 	probecpu();
97 	get_clocks();
98 	mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
99 			CONFIG_SPL_RELOC_MALLOC_SIZE);
100 
101 #ifdef CONFIG_SPL_MMC_BOOT
102 	mmc_initialize(bd);
103 #endif
104 
105 	/* relocate environment function pointers etc. */
106 #ifdef CONFIG_SPL_NAND_BOOT
107 	nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
108 			    (uchar *)CONFIG_ENV_ADDR);
109 #endif
110 #ifdef CONFIG_SPL_MMC_BOOT
111 	mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
112 			   (uchar *)CONFIG_ENV_ADDR);
113 #endif
114 #ifdef CONFIG_SPL_SPI_BOOT
115 	spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
116 			   (uchar *)CONFIG_ENV_ADDR);
117 #endif
118 	gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
119 	gd->env_valid = 1;
120 
121 	i2c_init_all();
122 
123 	puts("\n\n");
124 
125 	gd->ram_size = initdram(0);
126 
127 #ifdef CONFIG_SPL_MMC_BOOT
128 	mmc_boot();
129 #elif defined(CONFIG_SPL_SPI_BOOT)
130 	spi_boot();
131 #elif defined(CONFIG_SPL_NAND_BOOT)
132 	nand_boot();
133 #endif
134 }
135