xref: /openbmc/u-boot/board/freescale/t104xrdb/spl.c (revision c0fa385c)
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 #include "../common/spl.h"
17 
18 DECLARE_GLOBAL_DATA_PTR;
19 
20 phys_size_t get_effective_memsize(void)
21 {
22 	return CONFIG_SYS_L3_SIZE;
23 }
24 
25 unsigned long get_board_sys_clk(void)
26 {
27 	return CONFIG_SYS_CLK_FREQ;
28 }
29 
30 unsigned long get_board_ddr_clk(void)
31 {
32 	return CONFIG_DDR_CLK_FREQ;
33 }
34 
35 #define FSL_CORENET_CCSR_PORSR1_RCW_MASK	0xFF800000
36 void board_init_f(ulong bootflag)
37 {
38 	u32 plat_ratio, sys_clk, uart_clk;
39 #if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND)
40 	u32 porsr1, pinctl;
41 	u32 svr = get_svr();
42 #endif
43 	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
44 
45 #if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND)
46 	if (IS_SVR_REV(svr, 1, 0)) {
47 		/*
48 		 * There is T1040 SoC issue where NOR, FPGA are inaccessible
49 		 * during NAND boot because IFC signals > IFC_AD7 are not
50 		 * enabled. This workaround changes RCW source to make all
51 		 * signals enabled.
52 		 */
53 		porsr1 = in_be32(&gur->porsr1);
54 		pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK))
55 			  | 0x24800000);
56 		out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000),
57 			 pinctl);
58 	}
59 #endif
60 
61 	/* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
62 	memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
63 
64 	/* Update GD pointer */
65 	gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
66 
67 #ifdef CONFIG_DEEP_SLEEP
68 	/* disable the console if boot from deep sleep */
69 	if (is_warm_boot())
70 		fsl_dp_disable_console();
71 #endif
72 	/* compiler optimization barrier needed for GCC >= 3.4 */
73 	__asm__ __volatile__("" : : : "memory");
74 
75 	console_init_f();
76 
77 	/* initialize selected port with appropriate baud rate */
78 	sys_clk = get_board_sys_clk();
79 	plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
80 	uart_clk = sys_clk * plat_ratio / 2;
81 
82 	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
83 		     uart_clk / 16 / CONFIG_BAUDRATE);
84 
85 	relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
86 }
87 
88 void board_init_r(gd_t *gd, ulong dest_addr)
89 {
90 	bd_t *bd;
91 
92 	bd = (bd_t *)(gd + sizeof(gd_t));
93 	memset(bd, 0, sizeof(bd_t));
94 	gd->bd = bd;
95 	bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
96 	bd->bi_memsize = CONFIG_SYS_L3_SIZE;
97 
98 	probecpu();
99 	get_clocks();
100 	mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
101 			CONFIG_SPL_RELOC_MALLOC_SIZE);
102 	gd->flags |= GD_FLG_FULL_MALLOC_INIT;
103 
104 #ifdef CONFIG_SPL_MMC_BOOT
105 	mmc_initialize(bd);
106 #endif
107 
108 	/* relocate environment function pointers etc. */
109 #ifdef CONFIG_SPL_NAND_BOOT
110 	nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
111 			    (uchar *)CONFIG_ENV_ADDR);
112 #endif
113 #ifdef CONFIG_SPL_MMC_BOOT
114 	mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
115 			   (uchar *)CONFIG_ENV_ADDR);
116 #endif
117 #ifdef CONFIG_SPL_SPI_BOOT
118 	fsl_spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
119 			       (uchar *)CONFIG_ENV_ADDR);
120 #endif
121 	gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
122 	gd->env_valid = 1;
123 
124 	i2c_init_all();
125 
126 	puts("\n\n");
127 
128 	gd->ram_size = initdram(0);
129 
130 #ifdef CONFIG_SPL_MMC_BOOT
131 	mmc_boot();
132 #elif defined(CONFIG_SPL_SPI_BOOT)
133 	fsl_spi_boot();
134 #elif defined(CONFIG_SPL_NAND_BOOT)
135 	nand_boot();
136 #endif
137 }
138