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Commit | Line | Data |
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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
626f048b MK |
2 | /* |
3 | * Board init file for Dragonboard 410C | |
4 | * | |
5 | * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com> | |
626f048b MK |
6 | */ |
7 | ||
8 | #include <common.h> | |
9 | #include <dm.h> | |
10 | #include <usb.h> | |
11 | #include <asm/gpio.h> | |
e2beb872 | 12 | #include <fdt_support.h> |
ff06dc24 | 13 | #include <environment.h> |
9beb4906 | 14 | #include <asm/arch/dram.h> |
ff06dc24 | 15 | #include <asm/arch/misc.h> |
626f048b MK |
16 | |
17 | DECLARE_GLOBAL_DATA_PTR; | |
18 | ||
e2beb872 | 19 | /* pointer to the device tree ammended by the firmware */ |
9337dfb4 | 20 | extern void *fw_dtb; |
e2beb872 | 21 | |
9337dfb4 JRO |
22 | void *board_fdt_blob_setup(void) |
23 | { | |
24 | if (fdt_magic(fw_dtb) != FDT_MAGIC) { | |
25 | printf("Firmware provided invalid dtb!\n"); | |
26 | return NULL; | |
27 | } | |
28 | ||
29 | return fw_dtb; | |
30 | } | |
e2beb872 | 31 | |
626f048b MK |
32 | int dram_init(void) |
33 | { | |
34 | gd->ram_size = PHYS_SDRAM_1_SIZE; | |
9337dfb4 | 35 | |
626f048b MK |
36 | return 0; |
37 | } | |
38 | ||
76b00aca | 39 | int dram_init_banksize(void) |
626f048b MK |
40 | { |
41 | gd->bd->bi_dram[0].start = PHYS_SDRAM_1; | |
42 | gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; | |
76b00aca SG |
43 | |
44 | return 0; | |
626f048b MK |
45 | } |
46 | ||
cd8c3aec | 47 | int board_usb_init(int index, enum usb_init_type init) |
626f048b MK |
48 | { |
49 | static struct udevice *pmic_gpio; | |
50 | static struct gpio_desc hub_reset, usb_sel; | |
51 | int ret = 0, node; | |
52 | ||
53 | if (!pmic_gpio) { | |
54 | ret = uclass_get_device_by_name(UCLASS_GPIO, | |
55 | "pm8916_gpios@c000", | |
56 | &pmic_gpio); | |
57 | if (ret < 0) { | |
58 | printf("Failed to find pm8916_gpios@c000 node.\n"); | |
59 | return ret; | |
60 | } | |
61 | } | |
62 | ||
63 | /* Try to request gpios needed to start usb host on dragonboard */ | |
64 | if (!dm_gpio_is_valid(&hub_reset)) { | |
e160f7d4 SG |
65 | node = fdt_subnode_offset(gd->fdt_blob, |
66 | dev_of_offset(pmic_gpio), | |
626f048b MK |
67 | "usb_hub_reset_pm"); |
68 | if (node < 0) { | |
69 | printf("Failed to find usb_hub_reset_pm dt node.\n"); | |
70 | return node; | |
71 | } | |
150c5afe SG |
72 | ret = gpio_request_by_name_nodev(offset_to_ofnode(node), |
73 | "gpios", 0, &hub_reset, 0); | |
626f048b MK |
74 | if (ret < 0) { |
75 | printf("Failed to request usb_hub_reset_pm gpio.\n"); | |
76 | return ret; | |
77 | } | |
78 | } | |
79 | ||
80 | if (!dm_gpio_is_valid(&usb_sel)) { | |
e160f7d4 SG |
81 | node = fdt_subnode_offset(gd->fdt_blob, |
82 | dev_of_offset(pmic_gpio), | |
626f048b MK |
83 | "usb_sw_sel_pm"); |
84 | if (node < 0) { | |
85 | printf("Failed to find usb_sw_sel_pm dt node.\n"); | |
86 | return 0; | |
87 | } | |
150c5afe SG |
88 | ret = gpio_request_by_name_nodev(offset_to_ofnode(node), |
89 | "gpios", 0, &usb_sel, 0); | |
626f048b MK |
90 | if (ret < 0) { |
91 | printf("Failed to request usb_sw_sel_pm gpio.\n"); | |
92 | return ret; | |
93 | } | |
94 | } | |
95 | ||
cd8c3aec | 96 | if (init == USB_INIT_HOST) { |
626f048b MK |
97 | /* Start USB Hub */ |
98 | dm_gpio_set_dir_flags(&hub_reset, | |
99 | GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); | |
100 | mdelay(100); | |
101 | /* Switch usb to host connectors */ | |
102 | dm_gpio_set_dir_flags(&usb_sel, | |
103 | GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); | |
104 | mdelay(100); | |
105 | } else { /* Device */ | |
106 | /* Disable hub */ | |
107 | dm_gpio_set_dir_flags(&hub_reset, GPIOD_IS_OUT); | |
108 | /* Switch back to device connector */ | |
109 | dm_gpio_set_dir_flags(&usb_sel, GPIOD_IS_OUT); | |
110 | } | |
111 | ||
112 | return 0; | |
113 | } | |
114 | ||
626f048b MK |
115 | /* Check for vol- button - if pressed - stop autoboot */ |
116 | int misc_init_r(void) | |
117 | { | |
118 | struct udevice *pon; | |
119 | struct gpio_desc resin; | |
120 | int node, ret; | |
121 | ||
122 | ret = uclass_get_device_by_name(UCLASS_GPIO, "pm8916_pon@800", &pon); | |
123 | if (ret < 0) { | |
124 | printf("Failed to find PMIC pon node. Check device tree\n"); | |
125 | return 0; | |
126 | } | |
127 | ||
e160f7d4 SG |
128 | node = fdt_subnode_offset(gd->fdt_blob, dev_of_offset(pon), |
129 | "key_vol_down"); | |
626f048b MK |
130 | if (node < 0) { |
131 | printf("Failed to find key_vol_down node. Check device tree\n"); | |
132 | return 0; | |
133 | } | |
134 | ||
150c5afe SG |
135 | if (gpio_request_by_name_nodev(offset_to_ofnode(node), "gpios", 0, |
136 | &resin, 0)) { | |
626f048b MK |
137 | printf("Failed to request key_vol_down button.\n"); |
138 | return 0; | |
139 | } | |
140 | ||
141 | if (dm_gpio_get_value(&resin)) { | |
382bee57 | 142 | env_set("bootdelay", "-1"); |
aa043ee9 RF |
143 | env_set("bootcmd", "fastboot 0"); |
144 | printf("key_vol_down pressed - Starting fastboot.\n"); | |
626f048b MK |
145 | } |
146 | ||
147 | return 0; | |
148 | } | |
e2beb872 JRO |
149 | |
150 | int board_init(void) | |
151 | { | |
e2beb872 JRO |
152 | return 0; |
153 | } | |
154 | ||
2df573e6 RF |
155 | int board_late_init(void) |
156 | { | |
157 | char serial[16]; | |
158 | ||
159 | memset(serial, 0, 16); | |
160 | snprintf(serial, 13, "%x", msm_board_serial()); | |
161 | env_set("serial#", serial); | |
162 | return 0; | |
163 | } | |
164 | ||
ff06dc24 RF |
165 | /* Fixup of DTB for Linux Kernel |
166 | * 1. Fixup installed DRAM. | |
167 | * 2. Fixup WLAN/BT Mac address: | |
168 | * First, check if MAC addresses for WLAN/BT exists as environemnt | |
169 | * variables wlanaddr,btaddr. if not, generate a unique address. | |
170 | */ | |
171 | ||
e2beb872 JRO |
172 | int ft_board_setup(void *blob, bd_t *bd) |
173 | { | |
ff06dc24 RF |
174 | u8 mac[ARP_HLEN]; |
175 | ||
176 | msm_fixup_memory(blob); | |
177 | ||
178 | if (!eth_env_get_enetaddr("wlanaddr", mac)) { | |
179 | msm_generate_mac_addr(mac); | |
9337dfb4 JRO |
180 | }; |
181 | ||
ff06dc24 RF |
182 | do_fixup_by_compat(blob, "qcom,wcnss-wlan", |
183 | "local-mac-address", mac, ARP_HLEN, 1); | |
9337dfb4 | 184 | |
e2beb872 | 185 | |
ff06dc24 RF |
186 | if (!eth_env_get_enetaddr("btaddr", mac)) { |
187 | msm_generate_mac_addr(mac); | |
188 | ||
189 | /* The BD address is same as WLAN MAC address but with | |
190 | * least significant bit flipped. | |
191 | */ | |
192 | mac[0] ^= 0x01; | |
193 | }; | |
9beb4906 | 194 | |
ff06dc24 RF |
195 | do_fixup_by_compat(blob, "qcom,wcnss-bt", |
196 | "local-bd-address", mac, ARP_HLEN, 1); | |
e2beb872 JRO |
197 | return 0; |
198 | } | |
0689eb74 JRO |
199 | |
200 | void reset_cpu(ulong addr) | |
201 | { | |
202 | psci_system_reset(); | |
203 | } |