1 /* Copyright 2014 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/qixis.h"
17 #include "t102xqds_qixis.h"
18 #include "../common/spl.h"
19
20 DECLARE_GLOBAL_DATA_PTR;
21
get_effective_memsize(void)22 phys_size_t get_effective_memsize(void)
23 {
24 return CONFIG_SYS_L3_SIZE;
25 }
26
get_board_sys_clk(void)27 unsigned long get_board_sys_clk(void)
28 {
29 u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
30
31 switch (sysclk_conf & 0x0F) {
32 case QIXIS_SYSCLK_83:
33 return 83333333;
34 case QIXIS_SYSCLK_100:
35 return 100000000;
36 case QIXIS_SYSCLK_125:
37 return 125000000;
38 case QIXIS_SYSCLK_133:
39 return 133333333;
40 case QIXIS_SYSCLK_150:
41 return 150000000;
42 case QIXIS_SYSCLK_160:
43 return 160000000;
44 case QIXIS_SYSCLK_166:
45 return 166666666;
46 }
47 return 66666666;
48 }
49
get_board_ddr_clk(void)50 unsigned long get_board_ddr_clk(void)
51 {
52 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
53
54 switch ((ddrclk_conf & 0x30) >> 4) {
55 case QIXIS_DDRCLK_100:
56 return 100000000;
57 case QIXIS_DDRCLK_125:
58 return 125000000;
59 case QIXIS_DDRCLK_133:
60 return 133333333;
61 }
62 return 66666666;
63 }
64
board_init_f(ulong bootflag)65 void board_init_f(ulong bootflag)
66 {
67 u32 plat_ratio, sys_clk, ccb_clk;
68 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
69
70 #if defined(CONFIG_ARCH_T1040) && defined(CONFIG_SPL_NAND_BOOT)
71 /*
72 * There is T1040 SoC issue where NOR, FPGA are inaccessible during
73 * NAND boot because IFC signals > IFC_AD7 are not enabled.
74 * This workaround changes RCW source to make all signals enabled.
75 */
76 u32 porsr1, pinctl;
77 #define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000
78
79 porsr1 = in_be32(&gur->porsr1);
80 pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK)) | 0x24800000);
81 out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000), pinctl);
82 #endif
83
84 /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
85 memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
86
87 /* Update GD pointer */
88 gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
89
90 console_init_f();
91
92 /* initialize selected port with appropriate baud rate */
93 sys_clk = get_board_sys_clk();
94 plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
95 ccb_clk = sys_clk * plat_ratio / 2;
96
97 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
98 ccb_clk / 16 / CONFIG_BAUDRATE);
99
100 #if defined(CONFIG_SPL_MMC_BOOT)
101 puts("\nSD boot...\n");
102 #elif defined(CONFIG_SPL_SPI_BOOT)
103 puts("\nSPI boot...\n");
104 #elif defined(CONFIG_SPL_NAND_BOOT)
105 puts("\nNAND boot...\n");
106 #endif
107
108 relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
109 }
110
board_init_r(gd_t * gd,ulong dest_addr)111 void board_init_r(gd_t *gd, ulong dest_addr)
112 {
113 bd_t *bd;
114
115 bd = (bd_t *)(gd + sizeof(gd_t));
116 memset(bd, 0, sizeof(bd_t));
117 gd->bd = bd;
118 bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
119 bd->bi_memsize = CONFIG_SYS_L3_SIZE;
120
121 arch_cpu_init();
122 get_clocks();
123 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
124 CONFIG_SPL_RELOC_MALLOC_SIZE);
125 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
126
127 #ifdef CONFIG_SPL_NAND_BOOT
128 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
129 (uchar *)CONFIG_ENV_ADDR);
130 #endif
131 #ifdef CONFIG_SPL_MMC_BOOT
132 mmc_initialize(bd);
133 mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
134 (uchar *)CONFIG_ENV_ADDR);
135 #endif
136 #ifdef CONFIG_SPL_SPI_BOOT
137 fsl_spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
138 (uchar *)CONFIG_ENV_ADDR);
139 #endif
140
141 gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
142 gd->env_valid = ENV_VALID;
143
144 i2c_init_all();
145
146 dram_init();
147
148 #ifdef CONFIG_SPL_MMC_BOOT
149 mmc_boot();
150 #elif defined(CONFIG_SPL_SPI_BOOT)
151 fsl_spi_boot();
152 #elif defined(CONFIG_SPL_NAND_BOOT)
153 nand_boot();
154 #endif
155 }
156