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arm: mx6: add support for Compulab cm-fx6 CoM
[people/ms/u-boot.git] / board / compulab / cm_fx6 / cm_fx6.c
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NK
1/*
2 * Board functions for Compulab CM-FX6 board
3 *
4 * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/
5 *
6 * Author: Nikita Kiryanov <nikita@compulab.co.il>
7 *
8 * SPDX-License-Identifier: GPL-2.0+
9 */
10
11#include <common.h>
12#include <fsl_esdhc.h>
13#include <asm/arch/sys_proto.h>
14#include "common.h"
15
16DECLARE_GLOBAL_DATA_PTR;
17
18#ifdef CONFIG_FSL_ESDHC
19static struct fsl_esdhc_cfg usdhc_cfg[3] = {
20 {USDHC1_BASE_ADDR},
21 {USDHC2_BASE_ADDR},
22 {USDHC3_BASE_ADDR},
23};
24
25static enum mxc_clock usdhc_clk[3] = {
26 MXC_ESDHC_CLK,
27 MXC_ESDHC2_CLK,
28 MXC_ESDHC3_CLK,
29};
30
31int board_mmc_init(bd_t *bis)
32{
33 int i;
34
35 cm_fx6_set_usdhc_iomux();
36 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
37 usdhc_cfg[i].sdhc_clk = mxc_get_clock(usdhc_clk[i]);
38 usdhc_cfg[i].max_bus_width = 4;
39 fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
40 enable_usdhc_clk(1, i);
41 }
42
43 return 0;
44}
45#endif
46
47int board_init(void)
48{
49 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
50 return 0;
51}
52
53int checkboard(void)
54{
55 puts("Board: CM-FX6\n");
56 return 0;
57}
58
59void dram_init_banksize(void)
60{
61 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
62 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
63
64 switch (gd->ram_size) {
65 case 0x10000000: /* DDR_16BIT_256MB */
66 gd->bd->bi_dram[0].size = 0x10000000;
67 gd->bd->bi_dram[1].size = 0;
68 break;
69 case 0x20000000: /* DDR_32BIT_512MB */
70 gd->bd->bi_dram[0].size = 0x20000000;
71 gd->bd->bi_dram[1].size = 0;
72 break;
73 case 0x40000000:
74 if (is_cpu_type(MXC_CPU_MX6SOLO)) { /* DDR_32BIT_1GB */
75 gd->bd->bi_dram[0].size = 0x20000000;
76 gd->bd->bi_dram[1].size = 0x20000000;
77 } else { /* DDR_64BIT_1GB */
78 gd->bd->bi_dram[0].size = 0x40000000;
79 gd->bd->bi_dram[1].size = 0;
80 }
81 break;
82 case 0x80000000: /* DDR_64BIT_2GB */
83 gd->bd->bi_dram[0].size = 0x40000000;
84 gd->bd->bi_dram[1].size = 0x40000000;
85 break;
86 case 0xEFF00000: /* DDR_64BIT_4GB */
87 gd->bd->bi_dram[0].size = 0x70000000;
88 gd->bd->bi_dram[1].size = 0x7FF00000;
89 break;
90 }
91}
92
93int dram_init(void)
94{
95 gd->ram_size = imx_ddr_size();
96 switch (gd->ram_size) {
97 case 0x10000000:
98 case 0x20000000:
99 case 0x40000000:
100 case 0x80000000:
101 break;
102 case 0xF0000000:
103 gd->ram_size -= 0x100000;
104 break;
105 default:
106 printf("ERROR: Unsupported DRAM size 0x%lx\n", gd->ram_size);
107 return -1;
108 }
109
110 return 0;
111}