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b6036993 SX |
1 | /* Copyright 2014 Freescale Semiconductor, Inc. |
2 | * | |
3 | * SPDX-License-Identifier: GPL-2.0+ | |
4 | */ | |
5 | ||
6 | #include <common.h> | |
24b852a7 | 7 | #include <console.h> |
b6036993 SX |
8 | #include <asm/spl.h> |
9 | #include <malloc.h> | |
10 | #include <ns16550.h> | |
11 | #include <nand.h> | |
12 | #include <mmc.h> | |
13 | #include <fsl_esdhc.h> | |
14 | #include <i2c.h> | |
15 | #include "../common/qixis.h" | |
16 | #include "t4240qds_qixis.h" | |
17 | ||
18 | #define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000 | |
19 | ||
20 | DECLARE_GLOBAL_DATA_PTR; | |
21 | ||
22 | phys_size_t get_effective_memsize(void) | |
23 | { | |
24 | return CONFIG_SYS_L3_SIZE; | |
25 | } | |
26 | ||
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 | ||
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 | ||
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 | #ifdef CONFIG_SPL_NAND_BOOT | |
70 | u32 porsr1, pinctl; | |
71 | #endif | |
72 | ||
73 | #ifdef CONFIG_SPL_NAND_BOOT | |
74 | porsr1 = in_be32(&gur->porsr1); | |
75 | pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK)) | 0x24800000); | |
76 | out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000), pinctl); | |
77 | #endif | |
78 | /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */ | |
79 | memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t)); | |
80 | ||
81 | /* Update GD pointer */ | |
82 | gd = (gd_t *)(CONFIG_SPL_GD_ADDR); | |
83 | ||
84 | /* compiler optimization barrier needed for GCC >= 3.4 */ | |
85 | __asm__ __volatile__("" : : : "memory"); | |
86 | ||
87 | console_init_f(); | |
88 | ||
89 | /* initialize selected port with appropriate baud rate */ | |
90 | sys_clk = get_board_sys_clk(); | |
91 | plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; | |
92 | ccb_clk = sys_clk * plat_ratio / 2; | |
93 | ||
94 | NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, | |
95 | ccb_clk / 16 / CONFIG_BAUDRATE); | |
96 | ||
97 | #ifdef CONFIG_SPL_MMC_BOOT | |
98 | puts("\nSD boot...\n"); | |
99 | #elif defined(CONFIG_SPL_NAND_BOOT) | |
100 | puts("\nNAND boot...\n"); | |
101 | #endif | |
102 | relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0); | |
103 | } | |
104 | ||
105 | void board_init_r(gd_t *gd, ulong dest_addr) | |
106 | { | |
107 | bd_t *bd; | |
108 | ||
109 | bd = (bd_t *)(gd + sizeof(gd_t)); | |
110 | memset(bd, 0, sizeof(bd_t)); | |
111 | gd->bd = bd; | |
112 | bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR; | |
113 | bd->bi_memsize = CONFIG_SYS_L3_SIZE; | |
114 | ||
115 | probecpu(); | |
116 | get_clocks(); | |
117 | mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, | |
118 | CONFIG_SPL_RELOC_MALLOC_SIZE); | |
119 | ||
120 | #ifdef CONFIG_SPL_NAND_BOOT | |
121 | nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, | |
122 | (uchar *)CONFIG_ENV_ADDR); | |
123 | #endif | |
124 | #ifdef CONFIG_SPL_MMC_BOOT | |
125 | mmc_initialize(bd); | |
126 | mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, | |
127 | (uchar *)CONFIG_ENV_ADDR); | |
128 | #endif | |
129 | ||
130 | gd->env_addr = (ulong)(CONFIG_ENV_ADDR); | |
131 | gd->env_valid = 1; | |
132 | ||
133 | i2c_init_all(); | |
134 | ||
135 | gd->ram_size = initdram(0); | |
136 | ||
137 | #ifdef CONFIG_SPL_MMC_BOOT | |
138 | mmc_boot(); | |
139 | #elif defined(CONFIG_SPL_NAND_BOOT) | |
140 | nand_boot(); | |
141 | #endif | |
142 | } |