xref: /openbmc/u-boot/board/freescale/t104xrdb/spl.c (revision a3b36c84)
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/sleep.h"
17 #include "../common/spl.h"
18 
19 DECLARE_GLOBAL_DATA_PTR;
20 
21 phys_size_t get_effective_memsize(void)
22 {
23 	return CONFIG_SYS_L3_SIZE;
24 }
25 
26 unsigned long get_board_sys_clk(void)
27 {
28 	return CONFIG_SYS_CLK_FREQ;
29 }
30 
31 unsigned long get_board_ddr_clk(void)
32 {
33 	return CONFIG_DDR_CLK_FREQ;
34 }
35 
36 #define FSL_CORENET_CCSR_PORSR1_RCW_MASK	0xFF800000
37 void board_init_f(ulong bootflag)
38 {
39 	u32 plat_ratio, sys_clk, uart_clk;
40 #if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND)
41 	u32 porsr1, pinctl;
42 	u32 svr = get_svr();
43 #endif
44 	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
45 
46 #if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND)
47 	if (IS_SVR_REV(svr, 1, 0)) {
48 		/*
49 		 * There is T1040 SoC issue where NOR, FPGA are inaccessible
50 		 * during NAND boot because IFC signals > IFC_AD7 are not
51 		 * enabled. This workaround changes RCW source to make all
52 		 * signals enabled.
53 		 */
54 		porsr1 = in_be32(&gur->porsr1);
55 		pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK))
56 			  | 0x24800000);
57 		out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000),
58 			 pinctl);
59 	}
60 #endif
61 
62 	/* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
63 	memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
64 
65 	/* Update GD pointer */
66 	gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
67 
68 #ifdef CONFIG_DEEP_SLEEP
69 	/* disable the console if boot from deep sleep */
70 	if (is_warm_boot())
71 		fsl_dp_disable_console();
72 #endif
73 	/* compiler optimization barrier needed for GCC >= 3.4 */
74 	__asm__ __volatile__("" : : : "memory");
75 
76 	console_init_f();
77 
78 	/* initialize selected port with appropriate baud rate */
79 	sys_clk = get_board_sys_clk();
80 	plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
81 	uart_clk = sys_clk * plat_ratio / 2;
82 
83 	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
84 		     uart_clk / 16 / CONFIG_BAUDRATE);
85 
86 	relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
87 }
88 
89 void board_init_r(gd_t *gd, ulong dest_addr)
90 {
91 	bd_t *bd;
92 
93 	bd = (bd_t *)(gd + sizeof(gd_t));
94 	memset(bd, 0, sizeof(bd_t));
95 	gd->bd = bd;
96 	bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
97 	bd->bi_memsize = CONFIG_SYS_L3_SIZE;
98 
99 	arch_cpu_init();
100 	get_clocks();
101 	mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
102 			CONFIG_SPL_RELOC_MALLOC_SIZE);
103 	gd->flags |= GD_FLG_FULL_MALLOC_INIT;
104 
105 #ifdef CONFIG_SPL_MMC_BOOT
106 	mmc_initialize(bd);
107 #endif
108 
109 	/* relocate environment function pointers etc. */
110 #ifdef CONFIG_SPL_NAND_BOOT
111 	nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
112 			    (uchar *)CONFIG_ENV_ADDR);
113 #endif
114 #ifdef CONFIG_SPL_MMC_BOOT
115 	mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
116 			   (uchar *)CONFIG_ENV_ADDR);
117 #endif
118 #ifdef CONFIG_SPL_SPI_BOOT
119 	fsl_spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
120 			       (uchar *)CONFIG_ENV_ADDR);
121 #endif
122 	gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
123 	gd->env_valid = ENV_VALID;
124 
125 	i2c_init_all();
126 
127 	puts("\n\n");
128 
129 	dram_init();
130 
131 #ifdef CONFIG_SPL_MMC_BOOT
132 	mmc_boot();
133 #elif defined(CONFIG_SPL_SPI_BOOT)
134 	fsl_spi_boot();
135 #elif defined(CONFIG_SPL_NAND_BOOT)
136 	nand_boot();
137 #endif
138 }
139