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ed09a554 | 1 | /* |
2 | * (C) Copyright 2011, 2012, 2013 | |
3 | * Yuri Tikhonov, Emcraft Systems, yur@emcraft.com | |
4 | * Alexander Potashev, Emcraft Systems, aspotashev@emcraft.com | |
5 | * Vladimir Khusainov, Emcraft Systems, vlad@emcraft.com | |
6 | * Pavel Boldin, Emcraft Systems, paboldin@emcraft.com | |
7 | * | |
8 | * (C) Copyright 2015 | |
66562414 | 9 | * Kamil Lulko, <kamil.lulko@gmail.com> |
ed09a554 | 10 | * |
11 | * SPDX-License-Identifier: GPL-2.0+ | |
12 | */ | |
13 | ||
14 | #include <common.h> | |
9d922450 | 15 | #include <dm.h> |
4a56fd48 | 16 | |
ed09a554 | 17 | #include <asm/io.h> |
ed09a554 | 18 | #include <asm/arch/stm32.h> |
19 | #include <asm/arch/gpio.h> | |
ed09a554 | 20 | |
21 | DECLARE_GLOBAL_DATA_PTR; | |
22 | ||
23 | const struct stm32_gpio_ctl gpio_ctl_gpout = { | |
24 | .mode = STM32_GPIO_MODE_OUT, | |
25 | .otype = STM32_GPIO_OTYPE_PP, | |
26 | .speed = STM32_GPIO_SPEED_50M, | |
27 | .pupd = STM32_GPIO_PUPD_NO, | |
28 | .af = STM32_GPIO_AF0 | |
29 | }; | |
30 | ||
31 | const struct stm32_gpio_ctl gpio_ctl_usart = { | |
32 | .mode = STM32_GPIO_MODE_AF, | |
33 | .otype = STM32_GPIO_OTYPE_PP, | |
34 | .speed = STM32_GPIO_SPEED_50M, | |
35 | .pupd = STM32_GPIO_PUPD_UP, | |
60570df1 | 36 | .af = STM32_GPIO_USART |
ed09a554 | 37 | }; |
38 | ||
60570df1 | 39 | static const struct stm32_gpio_dsc usart_gpio[] = { |
40 | {STM32_GPIO_PORT_X, STM32_GPIO_PIN_TX}, /* TX */ | |
41 | {STM32_GPIO_PORT_X, STM32_GPIO_PIN_RX}, /* RX */ | |
ed09a554 | 42 | }; |
43 | ||
60570df1 | 44 | int uart_setup_gpio(void) |
ed09a554 | 45 | { |
46 | int i; | |
47 | int rv = 0; | |
48 | ||
60570df1 | 49 | for (i = 0; i < ARRAY_SIZE(usart_gpio); i++) { |
50 | rv = stm32_gpio_config(&usart_gpio[i], &gpio_ctl_usart); | |
ed09a554 | 51 | if (rv) |
52 | goto out; | |
53 | } | |
54 | ||
55 | out: | |
56 | return rv; | |
57 | } | |
58 | ||
59 | const struct stm32_gpio_ctl gpio_ctl_fmc = { | |
60 | .mode = STM32_GPIO_MODE_AF, | |
61 | .otype = STM32_GPIO_OTYPE_PP, | |
62 | .speed = STM32_GPIO_SPEED_100M, | |
63 | .pupd = STM32_GPIO_PUPD_NO, | |
64 | .af = STM32_GPIO_AF12 | |
65 | }; | |
66 | ||
67 | static const struct stm32_gpio_dsc ext_ram_fmc_gpio[] = { | |
68 | /* Chip is LQFP144, see DM00077036.pdf for details */ | |
69 | {STM32_GPIO_PORT_D, STM32_GPIO_PIN_10}, /* 79, FMC_D15 */ | |
70 | {STM32_GPIO_PORT_D, STM32_GPIO_PIN_9}, /* 78, FMC_D14 */ | |
71 | {STM32_GPIO_PORT_D, STM32_GPIO_PIN_8}, /* 77, FMC_D13 */ | |
72 | {STM32_GPIO_PORT_E, STM32_GPIO_PIN_15}, /* 68, FMC_D12 */ | |
73 | {STM32_GPIO_PORT_E, STM32_GPIO_PIN_14}, /* 67, FMC_D11 */ | |
74 | {STM32_GPIO_PORT_E, STM32_GPIO_PIN_13}, /* 66, FMC_D10 */ | |
75 | {STM32_GPIO_PORT_E, STM32_GPIO_PIN_12}, /* 65, FMC_D9 */ | |
76 | {STM32_GPIO_PORT_E, STM32_GPIO_PIN_11}, /* 64, FMC_D8 */ | |
77 | {STM32_GPIO_PORT_E, STM32_GPIO_PIN_10}, /* 63, FMC_D7 */ | |
78 | {STM32_GPIO_PORT_E, STM32_GPIO_PIN_9}, /* 60, FMC_D6 */ | |
79 | {STM32_GPIO_PORT_E, STM32_GPIO_PIN_8}, /* 59, FMC_D5 */ | |
80 | {STM32_GPIO_PORT_E, STM32_GPIO_PIN_7}, /* 58, FMC_D4 */ | |
81 | {STM32_GPIO_PORT_D, STM32_GPIO_PIN_1}, /* 115, FMC_D3 */ | |
82 | {STM32_GPIO_PORT_D, STM32_GPIO_PIN_0}, /* 114, FMC_D2 */ | |
83 | {STM32_GPIO_PORT_D, STM32_GPIO_PIN_15}, /* 86, FMC_D1 */ | |
84 | {STM32_GPIO_PORT_D, STM32_GPIO_PIN_14}, /* 85, FMC_D0 */ | |
85 | {STM32_GPIO_PORT_E, STM32_GPIO_PIN_1}, /* 142, FMC_NBL1 */ | |
86 | {STM32_GPIO_PORT_E, STM32_GPIO_PIN_0}, /* 141, FMC_NBL0 */ | |
87 | {STM32_GPIO_PORT_G, STM32_GPIO_PIN_5}, /* 90, FMC_A15, BA1 */ | |
88 | {STM32_GPIO_PORT_G, STM32_GPIO_PIN_4}, /* 89, FMC_A14, BA0 */ | |
89 | {STM32_GPIO_PORT_G, STM32_GPIO_PIN_1}, /* 57, FMC_A11 */ | |
90 | {STM32_GPIO_PORT_G, STM32_GPIO_PIN_0}, /* 56, FMC_A10 */ | |
91 | {STM32_GPIO_PORT_F, STM32_GPIO_PIN_15}, /* 55, FMC_A9 */ | |
92 | {STM32_GPIO_PORT_F, STM32_GPIO_PIN_14}, /* 54, FMC_A8 */ | |
93 | {STM32_GPIO_PORT_F, STM32_GPIO_PIN_13}, /* 53, FMC_A7 */ | |
94 | {STM32_GPIO_PORT_F, STM32_GPIO_PIN_12}, /* 50, FMC_A6 */ | |
95 | {STM32_GPIO_PORT_F, STM32_GPIO_PIN_5}, /* 15, FMC_A5 */ | |
96 | {STM32_GPIO_PORT_F, STM32_GPIO_PIN_4}, /* 14, FMC_A4 */ | |
97 | {STM32_GPIO_PORT_F, STM32_GPIO_PIN_3}, /* 13, FMC_A3 */ | |
98 | {STM32_GPIO_PORT_F, STM32_GPIO_PIN_2}, /* 12, FMC_A2 */ | |
99 | {STM32_GPIO_PORT_F, STM32_GPIO_PIN_1}, /* 11, FMC_A1 */ | |
100 | {STM32_GPIO_PORT_F, STM32_GPIO_PIN_0}, /* 10, FMC_A0 */ | |
101 | {STM32_GPIO_PORT_B, STM32_GPIO_PIN_6}, /* 136, SDRAM_NE */ | |
102 | {STM32_GPIO_PORT_F, STM32_GPIO_PIN_11}, /* 49, SDRAM_NRAS */ | |
103 | {STM32_GPIO_PORT_G, STM32_GPIO_PIN_15}, /* 132, SDRAM_NCAS */ | |
104 | {STM32_GPIO_PORT_C, STM32_GPIO_PIN_0}, /* 26, SDRAM_NWE */ | |
105 | {STM32_GPIO_PORT_B, STM32_GPIO_PIN_5}, /* 135, SDRAM_CKE */ | |
106 | {STM32_GPIO_PORT_G, STM32_GPIO_PIN_8}, /* 93, SDRAM_CLK */ | |
107 | }; | |
108 | ||
109 | static int fmc_setup_gpio(void) | |
110 | { | |
111 | int rv = 0; | |
112 | int i; | |
113 | ||
114 | for (i = 0; i < ARRAY_SIZE(ext_ram_fmc_gpio); i++) { | |
115 | rv = stm32_gpio_config(&ext_ram_fmc_gpio[i], | |
116 | &gpio_ctl_fmc); | |
117 | if (rv) | |
118 | goto out; | |
119 | } | |
120 | ||
121 | out: | |
122 | return rv; | |
123 | } | |
124 | ||
ed09a554 | 125 | int dram_init(void) |
126 | { | |
ed09a554 | 127 | int rv; |
7fd65ef5 | 128 | struct udevice *dev; |
ed09a554 | 129 | |
130 | rv = fmc_setup_gpio(); | |
131 | if (rv) | |
132 | return rv; | |
7fd65ef5 PC |
133 | rv = uclass_get_device(UCLASS_RAM, 0, &dev); |
134 | if (rv) { | |
135 | debug("DRAM init failed: %d\n", rv); | |
136 | return rv; | |
137 | } | |
ed09a554 | 138 | |
7fd65ef5 PC |
139 | if (fdtdec_setup_memory_size() != 0) |
140 | rv = -EINVAL; | |
ed09a554 | 141 | |
7fd65ef5 PC |
142 | return rv; |
143 | } | |
ed09a554 | 144 | |
7fd65ef5 PC |
145 | int dram_init_banksize(void) |
146 | { | |
147 | fdtdec_setup_memory_banksize(); | |
ed09a554 | 148 | |
7fd65ef5 | 149 | return 0; |
ed09a554 | 150 | } |
151 | ||
152 | u32 get_board_rev(void) | |
153 | { | |
154 | return 0; | |
155 | } | |
156 | ||
157 | int board_early_init_f(void) | |
158 | { | |
159 | int res; | |
160 | ||
60570df1 | 161 | res = uart_setup_gpio(); |
ed09a554 | 162 | if (res) |
163 | return res; | |
ed09a554 | 164 | return 0; |
165 | } | |
166 | ||
167 | int board_init(void) | |
168 | { | |
169 | gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; | |
170 | ||
171 | return 0; | |
172 | } | |
089fddfd AB |
173 | |
174 | #ifdef CONFIG_MISC_INIT_R | |
175 | int misc_init_r(void) | |
176 | { | |
177 | char serialno[25]; | |
178 | uint32_t u_id_low, u_id_mid, u_id_high; | |
179 | ||
00caae6d | 180 | if (!env_get("serial#")) { |
089fddfd AB |
181 | u_id_low = readl(&STM32_U_ID->u_id_low); |
182 | u_id_mid = readl(&STM32_U_ID->u_id_mid); | |
183 | u_id_high = readl(&STM32_U_ID->u_id_high); | |
184 | sprintf(serialno, "%08x%08x%08x", | |
185 | u_id_high, u_id_mid, u_id_low); | |
382bee57 | 186 | env_set("serial#", serialno); |
089fddfd AB |
187 | } |
188 | ||
189 | return 0; | |
190 | } | |
191 | #endif |