xref: /openbmc/u-boot/board/freescale/t104xrdb/spl.c (revision 779653b0)
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 #include "../common/sleep.h"
16 
17 DECLARE_GLOBAL_DATA_PTR;
18 
19 phys_size_t get_effective_memsize(void)
20 {
21 	return CONFIG_SYS_L3_SIZE;
22 }
23 
24 unsigned long get_board_sys_clk(void)
25 {
26 	return CONFIG_SYS_CLK_FREQ;
27 }
28 
29 unsigned long get_board_ddr_clk(void)
30 {
31 	return CONFIG_DDR_CLK_FREQ;
32 }
33 
34 #define FSL_CORENET_CCSR_PORSR1_RCW_MASK	0xFF800000
35 void board_init_f(ulong bootflag)
36 {
37 	u32 plat_ratio, sys_clk, uart_clk;
38 #if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND)
39 	u32 porsr1, pinctl;
40 	u32 svr = get_svr();
41 #endif
42 	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
43 
44 #if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND)
45 	if (IS_SVR_REV(svr, 1, 0)) {
46 		/*
47 		 * There is T1040 SoC issue where NOR, FPGA are inaccessible
48 		 * during NAND boot because IFC signals > IFC_AD7 are not
49 		 * enabled. This workaround changes RCW source to make all
50 		 * signals enabled.
51 		 */
52 		porsr1 = in_be32(&gur->porsr1);
53 		pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK))
54 			  | 0x24800000);
55 		out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000),
56 			 pinctl);
57 	}
58 #endif
59 
60 	/* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
61 	memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
62 
63 	/* Update GD pointer */
64 	gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
65 
66 #ifdef CONFIG_DEEP_SLEEP
67 	/* disable the console if boot from deep sleep */
68 	if (is_warm_boot())
69 		fsl_dp_disable_console();
70 #endif
71 	/* compiler optimization barrier needed for GCC >= 3.4 */
72 	__asm__ __volatile__("" : : : "memory");
73 
74 	console_init_f();
75 
76 	/* initialize selected port with appropriate baud rate */
77 	sys_clk = get_board_sys_clk();
78 	plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
79 	uart_clk = sys_clk * plat_ratio / 2;
80 
81 	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
82 		     uart_clk / 16 / CONFIG_BAUDRATE);
83 
84 	relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
85 }
86 
87 void board_init_r(gd_t *gd, ulong dest_addr)
88 {
89 	bd_t *bd;
90 
91 	bd = (bd_t *)(gd + sizeof(gd_t));
92 	memset(bd, 0, sizeof(bd_t));
93 	gd->bd = bd;
94 	bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
95 	bd->bi_memsize = CONFIG_SYS_L3_SIZE;
96 
97 	probecpu();
98 	get_clocks();
99 	mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
100 			CONFIG_SPL_RELOC_MALLOC_SIZE);
101 
102 #ifdef CONFIG_SPL_MMC_BOOT
103 	mmc_initialize(bd);
104 #endif
105 
106 	/* relocate environment function pointers etc. */
107 #ifdef CONFIG_SPL_NAND_BOOT
108 	nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
109 			    (uchar *)CONFIG_ENV_ADDR);
110 #endif
111 #ifdef CONFIG_SPL_MMC_BOOT
112 	mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
113 			   (uchar *)CONFIG_ENV_ADDR);
114 #endif
115 #ifdef CONFIG_SPL_SPI_BOOT
116 	spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
117 			   (uchar *)CONFIG_ENV_ADDR);
118 #endif
119 	gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
120 	gd->env_valid = 1;
121 
122 	i2c_init_all();
123 
124 	puts("\n\n");
125 
126 	gd->ram_size = initdram(0);
127 
128 #ifdef CONFIG_SPL_MMC_BOOT
129 	mmc_boot();
130 #elif defined(CONFIG_SPL_SPI_BOOT)
131 	spi_boot();
132 #elif defined(CONFIG_SPL_NAND_BOOT)
133 	nand_boot();
134 #endif
135 }
136