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871ec6da JT |
1 | /* |
2 | * Copyright (C) 2016 Amarula Solutions B.V. | |
3 | * Copyright (C) 2016 Engicam S.r.l. | |
4 | * Author: Jagan Teki <jagan@amarulasolutions.com> | |
5 | * | |
6 | * SPDX-License-Identifier: GPL-2.0+ | |
7 | */ | |
8 | ||
9 | #include <common.h> | |
d98fd132 | 10 | #include <mmc.h> |
871ec6da JT |
11 | |
12 | #include <asm/io.h> | |
13 | #include <asm/gpio.h> | |
14 | #include <linux/sizes.h> | |
15 | ||
16 | #include <asm/arch/clock.h> | |
17 | #include <asm/arch/crm_regs.h> | |
18 | #include <asm/arch/iomux.h> | |
19 | #include <asm/arch/mx6-pins.h> | |
20 | #include <asm/arch/sys_proto.h> | |
21 | #include <asm/imx-common/iomux-v3.h> | |
22 | ||
900c847e | 23 | #include "../common/board.h" |
871ec6da | 24 | |
900c847e | 25 | DECLARE_GLOBAL_DATA_PTR; |
871ec6da | 26 | |
d98fd132 | 27 | #ifdef CONFIG_ENV_IS_IN_MMC |
2ea79a98 JT |
28 | int board_mmc_get_env_dev(int devno) |
29 | { | |
30 | /* dev 0 for SD/eSD, dev 1 for MMC/eMMC */ | |
31 | return (devno == 3) ? 1 : 0; | |
32 | } | |
d98fd132 JT |
33 | #endif |
34 | ||
ddbe1812 | 35 | void setenv_fdt_file(void) |
8c998a85 | 36 | { |
77a8c918 JT |
37 | if (is_mx6dq()) |
38 | setenv("fdt_file", "imx6q-icore-rqs.dtb"); | |
39 | else if(is_mx6dl() || is_mx6solo()) | |
40 | setenv("fdt_file", "imx6dl-icore-rqs.dtb"); | |
8c998a85 JT |
41 | } |
42 | ||
871ec6da | 43 | #ifdef CONFIG_SPL_BUILD |
871ec6da JT |
44 | #include <spl.h> |
45 | ||
871ec6da JT |
46 | /* MMC board initialization is needed till adding DM support in SPL */ |
47 | #if defined(CONFIG_FSL_ESDHC) && !defined(CONFIG_DM_MMC) | |
48 | #include <mmc.h> | |
49 | #include <fsl_esdhc.h> | |
50 | ||
51 | #define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ | |
52 | PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_HIGH | \ | |
53 | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) | |
54 | ||
55 | static iomux_v3_cfg_t const usdhc3_pads[] = { | |
56 | IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
57 | IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
58 | IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
59 | IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
60 | IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
61 | IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
62 | }; | |
63 | ||
ffa11c33 JT |
64 | static iomux_v3_cfg_t const usdhc4_pads[] = { |
65 | IOMUX_PADS(PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
66 | IOMUX_PADS(PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
67 | IOMUX_PADS(PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
68 | IOMUX_PADS(PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
69 | IOMUX_PADS(PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
70 | IOMUX_PADS(PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
71 | IOMUX_PADS(PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
72 | IOMUX_PADS(PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
73 | IOMUX_PADS(PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
74 | IOMUX_PADS(PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), | |
75 | }; | |
76 | ||
77 | struct fsl_esdhc_cfg usdhc_cfg[2] = { | |
871ec6da | 78 | {USDHC3_BASE_ADDR, 1, 4}, |
ffa11c33 | 79 | {USDHC4_BASE_ADDR, 1, 8}, |
871ec6da JT |
80 | }; |
81 | ||
82 | int board_mmc_getcd(struct mmc *mmc) | |
83 | { | |
84 | struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; | |
85 | int ret = 0; | |
86 | ||
87 | switch (cfg->esdhc_base) { | |
88 | case USDHC3_BASE_ADDR: | |
ffa11c33 | 89 | case USDHC4_BASE_ADDR: |
871ec6da JT |
90 | ret = 1; |
91 | break; | |
92 | } | |
93 | ||
94 | return ret; | |
95 | } | |
96 | ||
97 | int board_mmc_init(bd_t *bis) | |
98 | { | |
99 | int i, ret; | |
100 | ||
101 | /* | |
102 | * According to the board_mmc_init() the following map is done: | |
103 | * (U-boot device node) (Physical Port) | |
ffa11c33 JT |
104 | * mmc0 USDHC3 |
105 | * mmc1 USDHC4 | |
871ec6da JT |
106 | */ |
107 | for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { | |
108 | switch (i) { | |
109 | case 0: | |
110 | SETUP_IOMUX_PADS(usdhc3_pads); | |
111 | usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); | |
112 | break; | |
ffa11c33 JT |
113 | case 1: |
114 | SETUP_IOMUX_PADS(usdhc4_pads); | |
115 | usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); | |
116 | break; | |
871ec6da JT |
117 | default: |
118 | printf("Warning - USDHC%d controller not supporting\n", | |
119 | i + 1); | |
120 | return 0; | |
121 | } | |
122 | ||
123 | ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); | |
124 | if (ret) { | |
125 | printf("Warning: failed to initialize mmc dev %d\n", i); | |
126 | return ret; | |
127 | } | |
128 | } | |
129 | ||
130 | return 0; | |
131 | } | |
10fa3ee0 JT |
132 | |
133 | #ifdef CONFIG_ENV_IS_IN_MMC | |
134 | void board_boot_order(u32 *spl_boot_list) | |
135 | { | |
136 | u32 bmode = imx6_src_get_boot_mode(); | |
137 | u8 boot_dev = BOOT_DEVICE_MMC1; | |
138 | ||
139 | switch ((bmode & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) { | |
140 | case IMX6_BMODE_SD: | |
141 | case IMX6_BMODE_ESD: | |
142 | /* SD/eSD - BOOT_DEVICE_MMC1 */ | |
143 | break; | |
144 | case IMX6_BMODE_MMC: | |
145 | case IMX6_BMODE_EMMC: | |
146 | /* MMC/eMMC */ | |
147 | boot_dev = BOOT_DEVICE_MMC2; | |
148 | break; | |
149 | default: | |
150 | /* Default - BOOT_DEVICE_MMC1 */ | |
151 | printf("Wrong board boot order\n"); | |
152 | break; | |
153 | } | |
154 | ||
155 | spl_boot_list[0] = boot_dev; | |
156 | } | |
157 | #endif | |
871ec6da JT |
158 | #endif |
159 | ||
15455a6b JT |
160 | #ifdef CONFIG_SPL_LOAD_FIT |
161 | int board_fit_config_name_match(const char *name) | |
162 | { | |
163 | if (is_mx6dq() && !strcmp(name, "imx6q-icore-rqs")) | |
164 | return 0; | |
165 | else if ((is_mx6dl() || is_mx6solo()) && !strcmp(name, "imx6dl-icore-rqs")) | |
166 | return 0; | |
167 | else | |
168 | return -1; | |
169 | } | |
170 | #endif | |
197f0fa4 | 171 | #endif /* CONFIG_SPL_BUILD */ |