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gerrit.cesnet.cz / github / trini / u-boot / 3437469985df7c5403fa6e29b224e84c63bdbd52 / . / board / freescale / t4qds / spl.c
blob: 0c6156e7f09b4a877c4b00e4fd8d902b1d9a33eb [file] [log] [blame]
Shaohui Xieb6036992014-04-22 15:10:44 +0800[diff] [blame]1/* Copyright 2014 Freescale Semiconductor, Inc.
2 *
3 * SPDX-License-Identifier: GPL-2.0+
4 */
5
6#include <common.h>
7#include <asm/spl.h>
8#include <malloc.h>
9#include <ns16550.h>
10#include <nand.h>
11#include <mmc.h>
12#include <fsl_esdhc.h>
13#include <i2c.h>
14#include "../common/qixis.h"
15#include "t4240qds_qixis.h"
16
17#define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000
18
19DECLARE_GLOBAL_DATA_PTR;
20
21phys_size_t get_effective_memsize(void)
22{
23 return CONFIG_SYS_L3_SIZE;
24}
25
26unsigned long get_board_sys_clk(void)
27{
28 u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
29
30 switch (sysclk_conf & 0x0F) {
31 case QIXIS_SYSCLK_83:
32 return 83333333;
33 case QIXIS_SYSCLK_100:
34 return 100000000;
35 case QIXIS_SYSCLK_125:
36 return 125000000;
37 case QIXIS_SYSCLK_133:
38 return 133333333;
39 case QIXIS_SYSCLK_150:
40 return 150000000;
41 case QIXIS_SYSCLK_160:
42 return 160000000;
43 case QIXIS_SYSCLK_166:
44 return 166666666;
45 }
46 return 66666666;
47}
48
49unsigned long get_board_ddr_clk(void)
50{
51 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
52
53 switch ((ddrclk_conf & 0x30) >> 4) {
54 case QIXIS_DDRCLK_100:
55 return 100000000;
56 case QIXIS_DDRCLK_125:
57 return 125000000;
58 case QIXIS_DDRCLK_133:
59 return 133333333;
60 }
61 return 66666666;
62}
63
64void board_init_f(ulong bootflag)
65{
66 u32 plat_ratio, sys_clk, ccb_clk;
67 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
68#ifdef CONFIG_SPL_NAND_BOOT
69 u32 porsr1, pinctl;
70#endif
71
72#ifdef CONFIG_SPL_NAND_BOOT
73 porsr1 = in_be32(&gur->porsr1);
74 pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK)) | 0x24800000);
75 out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000), pinctl);
76#endif
77 /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
78 memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
79
80 /* Update GD pointer */
81 gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
82
83 /* compiler optimization barrier needed for GCC >= 3.4 */
84 __asm__ __volatile__("" : : : "memory");
85
86 console_init_f();
87
88 /* initialize selected port with appropriate baud rate */
89 sys_clk = get_board_sys_clk();
90 plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
91 ccb_clk = sys_clk * plat_ratio / 2;
92
93 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
94 ccb_clk / 16 / CONFIG_BAUDRATE);
95
96#ifdef CONFIG_SPL_MMC_BOOT
97 puts("\nSD boot...\n");
98#elif defined(CONFIG_SPL_NAND_BOOT)
99 puts("\nNAND boot...\n");
100#endif
101 relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
102}
103
104void board_init_r(gd_t *gd, ulong dest_addr)
105{
106 bd_t *bd;
107
108 bd = (bd_t *)(gd + sizeof(gd_t));
109 memset(bd, 0, sizeof(bd_t));
110 gd->bd = bd;
111 bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
112 bd->bi_memsize = CONFIG_SYS_L3_SIZE;
113
114 probecpu();
115 get_clocks();
116 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
117 CONFIG_SPL_RELOC_MALLOC_SIZE);
118
119#ifdef CONFIG_SPL_NAND_BOOT
120 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
121 (uchar *)CONFIG_ENV_ADDR);
122#endif
123#ifdef CONFIG_SPL_MMC_BOOT
124 mmc_initialize(bd);
125 mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
126 (uchar *)CONFIG_ENV_ADDR);
127#endif
128
129 gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
130 gd->env_valid = 1;
131
132 i2c_init_all();
133
134 gd->ram_size = initdram(0);
135
136#ifdef CONFIG_SPL_MMC_BOOT
137 mmc_boot();
138#elif defined(CONFIG_SPL_NAND_BOOT)
139 nand_boot();
140#endif
141}