1 // SPDX-License-Identifier: GPL-2.0+
3 * Board init file for Dragonboard 410C
5 * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
12 #include <fdt_support.h>
13 #include <environment.h>
14 #include <asm/arch/dram.h>
15 #include <asm/arch/misc.h>
17 DECLARE_GLOBAL_DATA_PTR;
19 /* pointer to the device tree ammended by the firmware */
22 void *board_fdt_blob_setup(void)
24 if (fdt_magic(fw_dtb) != FDT_MAGIC) {
25 printf("Firmware provided invalid dtb!\n");
34 gd->ram_size = PHYS_SDRAM_1_SIZE;
39 int dram_init_banksize(void)
41 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
42 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
47 int board_usb_init(int index, enum usb_init_type init)
49 static struct udevice *pmic_gpio;
50 static struct gpio_desc hub_reset, usb_sel;
54 ret = uclass_get_device_by_name(UCLASS_GPIO,
58 printf("Failed to find pm8916_gpios@c000 node.\n");
63 /* Try to request gpios needed to start usb host on dragonboard */
64 if (!dm_gpio_is_valid(&hub_reset)) {
65 node = fdt_subnode_offset(gd->fdt_blob,
66 dev_of_offset(pmic_gpio),
69 printf("Failed to find usb_hub_reset_pm dt node.\n");
72 ret = gpio_request_by_name_nodev(offset_to_ofnode(node),
73 "gpios", 0, &hub_reset, 0);
75 printf("Failed to request usb_hub_reset_pm gpio.\n");
80 if (!dm_gpio_is_valid(&usb_sel)) {
81 node = fdt_subnode_offset(gd->fdt_blob,
82 dev_of_offset(pmic_gpio),
85 printf("Failed to find usb_sw_sel_pm dt node.\n");
88 ret = gpio_request_by_name_nodev(offset_to_ofnode(node),
89 "gpios", 0, &usb_sel, 0);
91 printf("Failed to request usb_sw_sel_pm gpio.\n");
96 if (init == USB_INIT_HOST) {
98 dm_gpio_set_dir_flags(&hub_reset,
99 GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
101 /* Switch usb to host connectors */
102 dm_gpio_set_dir_flags(&usb_sel,
103 GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
105 } else { /* Device */
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);
115 /* Check for vol- button - if pressed - stop autoboot */
116 int misc_init_r(void)
119 struct gpio_desc resin;
122 ret = uclass_get_device_by_name(UCLASS_GPIO, "pm8916_pon@800", &pon);
124 printf("Failed to find PMIC pon node. Check device tree\n");
128 node = fdt_subnode_offset(gd->fdt_blob, dev_of_offset(pon),
131 printf("Failed to find key_vol_down node. Check device tree\n");
135 if (gpio_request_by_name_nodev(offset_to_ofnode(node), "gpios", 0,
137 printf("Failed to request key_vol_down button.\n");
141 if (dm_gpio_get_value(&resin)) {
142 env_set("bootdelay", "-1");
143 env_set("bootcmd", "fastboot 0");
144 printf("key_vol_down pressed - Starting fastboot.\n");
155 int board_late_init(void)
159 memset(serial, 0, 16);
160 snprintf(serial, 13, "%x", msm_board_serial());
161 env_set("serial#", serial);
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.
172 int ft_board_setup(void *blob, bd_t *bd)
176 msm_fixup_memory(blob);
178 if (!eth_env_get_enetaddr("wlanaddr", mac)) {
179 msm_generate_mac_addr(mac);
182 do_fixup_by_compat(blob, "qcom,wcnss-wlan",
183 "local-mac-address", mac, ARP_HLEN, 1);
186 if (!eth_env_get_enetaddr("btaddr", mac)) {
187 msm_generate_mac_addr(mac);
189 /* The BD address is same as WLAN MAC address but with
190 * least significant bit flipped.
195 do_fixup_by_compat(blob, "qcom,wcnss-bt",
196 "local-bd-address", mac, ARP_HLEN, 1);
200 void reset_cpu(ulong addr)