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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> | |
9a3b4ceb | 9 | #include <cpu_func.h> |
626f048b | 10 | #include <dm.h> |
9fb625ce | 11 | #include <env.h> |
5255932f | 12 | #include <init.h> |
90526e9f | 13 | #include <net.h> |
626f048b | 14 | #include <usb.h> |
90526e9f | 15 | #include <asm/cache.h> |
626f048b | 16 | #include <asm/gpio.h> |
e2beb872 | 17 | #include <fdt_support.h> |
9beb4906 | 18 | #include <asm/arch/dram.h> |
ff06dc24 | 19 | #include <asm/arch/misc.h> |
626f048b MK |
20 | |
21 | DECLARE_GLOBAL_DATA_PTR; | |
22 | ||
e2beb872 | 23 | /* pointer to the device tree ammended by the firmware */ |
9337dfb4 | 24 | extern void *fw_dtb; |
e2beb872 | 25 | |
9337dfb4 JRO |
26 | void *board_fdt_blob_setup(void) |
27 | { | |
28 | if (fdt_magic(fw_dtb) != FDT_MAGIC) { | |
29 | printf("Firmware provided invalid dtb!\n"); | |
30 | return NULL; | |
31 | } | |
32 | ||
33 | return fw_dtb; | |
34 | } | |
e2beb872 | 35 | |
626f048b MK |
36 | int dram_init(void) |
37 | { | |
38 | gd->ram_size = PHYS_SDRAM_1_SIZE; | |
9337dfb4 | 39 | |
626f048b MK |
40 | return 0; |
41 | } | |
42 | ||
76b00aca | 43 | int dram_init_banksize(void) |
626f048b MK |
44 | { |
45 | gd->bd->bi_dram[0].start = PHYS_SDRAM_1; | |
46 | gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; | |
76b00aca SG |
47 | |
48 | return 0; | |
626f048b MK |
49 | } |
50 | ||
cd8c3aec | 51 | int board_usb_init(int index, enum usb_init_type init) |
626f048b MK |
52 | { |
53 | static struct udevice *pmic_gpio; | |
54 | static struct gpio_desc hub_reset, usb_sel; | |
55 | int ret = 0, node; | |
56 | ||
57 | if (!pmic_gpio) { | |
58 | ret = uclass_get_device_by_name(UCLASS_GPIO, | |
59 | "pm8916_gpios@c000", | |
60 | &pmic_gpio); | |
61 | if (ret < 0) { | |
62 | printf("Failed to find pm8916_gpios@c000 node.\n"); | |
63 | return ret; | |
64 | } | |
65 | } | |
66 | ||
67 | /* Try to request gpios needed to start usb host on dragonboard */ | |
68 | if (!dm_gpio_is_valid(&hub_reset)) { | |
e160f7d4 SG |
69 | node = fdt_subnode_offset(gd->fdt_blob, |
70 | dev_of_offset(pmic_gpio), | |
626f048b MK |
71 | "usb_hub_reset_pm"); |
72 | if (node < 0) { | |
73 | printf("Failed to find usb_hub_reset_pm dt node.\n"); | |
74 | return node; | |
75 | } | |
150c5afe SG |
76 | ret = gpio_request_by_name_nodev(offset_to_ofnode(node), |
77 | "gpios", 0, &hub_reset, 0); | |
626f048b MK |
78 | if (ret < 0) { |
79 | printf("Failed to request usb_hub_reset_pm gpio.\n"); | |
80 | return ret; | |
81 | } | |
82 | } | |
83 | ||
84 | if (!dm_gpio_is_valid(&usb_sel)) { | |
e160f7d4 SG |
85 | node = fdt_subnode_offset(gd->fdt_blob, |
86 | dev_of_offset(pmic_gpio), | |
626f048b MK |
87 | "usb_sw_sel_pm"); |
88 | if (node < 0) { | |
89 | printf("Failed to find usb_sw_sel_pm dt node.\n"); | |
90 | return 0; | |
91 | } | |
150c5afe SG |
92 | ret = gpio_request_by_name_nodev(offset_to_ofnode(node), |
93 | "gpios", 0, &usb_sel, 0); | |
626f048b MK |
94 | if (ret < 0) { |
95 | printf("Failed to request usb_sw_sel_pm gpio.\n"); | |
96 | return ret; | |
97 | } | |
98 | } | |
99 | ||
cd8c3aec | 100 | if (init == USB_INIT_HOST) { |
626f048b MK |
101 | /* Start USB Hub */ |
102 | dm_gpio_set_dir_flags(&hub_reset, | |
103 | GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); | |
104 | mdelay(100); | |
105 | /* Switch usb to host connectors */ | |
106 | dm_gpio_set_dir_flags(&usb_sel, | |
107 | GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); | |
108 | mdelay(100); | |
109 | } else { /* Device */ | |
110 | /* Disable hub */ | |
111 | dm_gpio_set_dir_flags(&hub_reset, GPIOD_IS_OUT); | |
112 | /* Switch back to device connector */ | |
113 | dm_gpio_set_dir_flags(&usb_sel, GPIOD_IS_OUT); | |
114 | } | |
115 | ||
116 | return 0; | |
117 | } | |
118 | ||
626f048b MK |
119 | /* Check for vol- button - if pressed - stop autoboot */ |
120 | int misc_init_r(void) | |
121 | { | |
122 | struct udevice *pon; | |
123 | struct gpio_desc resin; | |
124 | int node, ret; | |
125 | ||
126 | ret = uclass_get_device_by_name(UCLASS_GPIO, "pm8916_pon@800", &pon); | |
127 | if (ret < 0) { | |
128 | printf("Failed to find PMIC pon node. Check device tree\n"); | |
129 | return 0; | |
130 | } | |
131 | ||
e160f7d4 SG |
132 | node = fdt_subnode_offset(gd->fdt_blob, dev_of_offset(pon), |
133 | "key_vol_down"); | |
626f048b MK |
134 | if (node < 0) { |
135 | printf("Failed to find key_vol_down node. Check device tree\n"); | |
136 | return 0; | |
137 | } | |
138 | ||
150c5afe SG |
139 | if (gpio_request_by_name_nodev(offset_to_ofnode(node), "gpios", 0, |
140 | &resin, 0)) { | |
626f048b MK |
141 | printf("Failed to request key_vol_down button.\n"); |
142 | return 0; | |
143 | } | |
144 | ||
145 | if (dm_gpio_get_value(&resin)) { | |
382bee57 | 146 | env_set("bootdelay", "-1"); |
aa043ee9 RF |
147 | env_set("bootcmd", "fastboot 0"); |
148 | printf("key_vol_down pressed - Starting fastboot.\n"); | |
626f048b MK |
149 | } |
150 | ||
151 | return 0; | |
152 | } | |
e2beb872 JRO |
153 | |
154 | int board_init(void) | |
155 | { | |
e2beb872 JRO |
156 | return 0; |
157 | } | |
158 | ||
2df573e6 RF |
159 | int board_late_init(void) |
160 | { | |
161 | char serial[16]; | |
162 | ||
163 | memset(serial, 0, 16); | |
164 | snprintf(serial, 13, "%x", msm_board_serial()); | |
165 | env_set("serial#", serial); | |
166 | return 0; | |
167 | } | |
168 | ||
ff06dc24 RF |
169 | /* Fixup of DTB for Linux Kernel |
170 | * 1. Fixup installed DRAM. | |
171 | * 2. Fixup WLAN/BT Mac address: | |
172 | * First, check if MAC addresses for WLAN/BT exists as environemnt | |
173 | * variables wlanaddr,btaddr. if not, generate a unique address. | |
174 | */ | |
175 | ||
e2beb872 JRO |
176 | int ft_board_setup(void *blob, bd_t *bd) |
177 | { | |
ff06dc24 RF |
178 | u8 mac[ARP_HLEN]; |
179 | ||
180 | msm_fixup_memory(blob); | |
181 | ||
182 | if (!eth_env_get_enetaddr("wlanaddr", mac)) { | |
183 | msm_generate_mac_addr(mac); | |
9337dfb4 JRO |
184 | }; |
185 | ||
ff06dc24 RF |
186 | do_fixup_by_compat(blob, "qcom,wcnss-wlan", |
187 | "local-mac-address", mac, ARP_HLEN, 1); | |
9337dfb4 | 188 | |
e2beb872 | 189 | |
ff06dc24 RF |
190 | if (!eth_env_get_enetaddr("btaddr", mac)) { |
191 | msm_generate_mac_addr(mac); | |
192 | ||
193 | /* The BD address is same as WLAN MAC address but with | |
194 | * least significant bit flipped. | |
195 | */ | |
196 | mac[0] ^= 0x01; | |
197 | }; | |
9beb4906 | 198 | |
ff06dc24 RF |
199 | do_fixup_by_compat(blob, "qcom,wcnss-bt", |
200 | "local-bd-address", mac, ARP_HLEN, 1); | |
e2beb872 JRO |
201 | return 0; |
202 | } | |
0689eb74 JRO |
203 | |
204 | void reset_cpu(ulong addr) | |
205 | { | |
206 | psci_system_reset(); | |
207 | } |