diff options
Diffstat (limited to 'roms/u-boot/board/qualcomm/dragonboard410c/dragonboard410c.c')
| -rw-r--r-- | roms/u-boot/board/qualcomm/dragonboard410c/dragonboard410c.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/roms/u-boot/board/qualcomm/dragonboard410c/dragonboard410c.c b/roms/u-boot/board/qualcomm/dragonboard410c/dragonboard410c.c new file mode 100644 index 000000000..0d282de95 --- /dev/null +++ b/roms/u-boot/board/qualcomm/dragonboard410c/dragonboard410c.c @@ -0,0 +1,209 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Board init file for Dragonboard 410C + * + * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com> + */ + +#include <common.h> +#include <cpu_func.h> +#include <dm.h> +#include <env.h> +#include <init.h> +#include <net.h> +#include <usb.h> +#include <asm/cache.h> +#include <asm/global_data.h> +#include <asm/gpio.h> +#include <fdt_support.h> +#include <asm/arch/dram.h> +#include <asm/arch/misc.h> +#include <linux/delay.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* pointer to the device tree ammended by the firmware */ +extern void *fw_dtb; + +void *board_fdt_blob_setup(void) +{ + if (fdt_magic(fw_dtb) != FDT_MAGIC) { + printf("Firmware provided invalid dtb!\n"); + return NULL; + } + + return fw_dtb; +} + +int dram_init(void) +{ + gd->ram_size = PHYS_SDRAM_1_SIZE; + + return 0; +} + +int dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + return 0; +} + +int board_usb_init(int index, enum usb_init_type init) +{ + static struct udevice *pmic_gpio; + static struct gpio_desc hub_reset, usb_sel; + int ret = 0, node; + + if (!pmic_gpio) { + ret = uclass_get_device_by_name(UCLASS_GPIO, + "pm8916_gpios@c000", + &pmic_gpio); + if (ret < 0) { + printf("Failed to find pm8916_gpios@c000 node.\n"); + return ret; + } + } + + /* Try to request gpios needed to start usb host on dragonboard */ + if (!dm_gpio_is_valid(&hub_reset)) { + node = fdt_subnode_offset(gd->fdt_blob, + dev_of_offset(pmic_gpio), + "usb_hub_reset_pm"); + if (node < 0) { + printf("Failed to find usb_hub_reset_pm dt node.\n"); + return node; + } + ret = gpio_request_by_name_nodev(offset_to_ofnode(node), + "gpios", 0, &hub_reset, 0); + if (ret < 0) { + printf("Failed to request usb_hub_reset_pm gpio.\n"); + return ret; + } + } + + if (!dm_gpio_is_valid(&usb_sel)) { + node = fdt_subnode_offset(gd->fdt_blob, + dev_of_offset(pmic_gpio), + "usb_sw_sel_pm"); + if (node < 0) { + printf("Failed to find usb_sw_sel_pm dt node.\n"); + return 0; + } + ret = gpio_request_by_name_nodev(offset_to_ofnode(node), + "gpios", 0, &usb_sel, 0); + if (ret < 0) { + printf("Failed to request usb_sw_sel_pm gpio.\n"); + return ret; + } + } + + if (init == USB_INIT_HOST) { + /* Start USB Hub */ + dm_gpio_set_dir_flags(&hub_reset, + GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); + mdelay(100); + /* Switch usb to host connectors */ + dm_gpio_set_dir_flags(&usb_sel, + GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); + mdelay(100); + } else { /* Device */ + /* Disable hub */ + dm_gpio_set_dir_flags(&hub_reset, GPIOD_IS_OUT); + /* Switch back to device connector */ + dm_gpio_set_dir_flags(&usb_sel, GPIOD_IS_OUT); + } + + return 0; +} + +/* Check for vol- button - if pressed - stop autoboot */ +int misc_init_r(void) +{ + struct udevice *pon; + struct gpio_desc resin; + int node, ret; + + ret = uclass_get_device_by_name(UCLASS_GPIO, "pm8916_pon@800", &pon); + if (ret < 0) { + printf("Failed to find PMIC pon node. Check device tree\n"); + return 0; + } + + node = fdt_subnode_offset(gd->fdt_blob, dev_of_offset(pon), + "key_vol_down"); + if (node < 0) { + printf("Failed to find key_vol_down node. Check device tree\n"); + return 0; + } + + if (gpio_request_by_name_nodev(offset_to_ofnode(node), "gpios", 0, + &resin, 0)) { + printf("Failed to request key_vol_down button.\n"); + return 0; + } + + if (dm_gpio_get_value(&resin)) { + env_set("bootdelay", "-1"); + env_set("bootcmd", "fastboot 0"); + printf("key_vol_down pressed - Starting fastboot.\n"); + } + + return 0; +} + +int board_init(void) +{ + return 0; +} + +int board_late_init(void) +{ + char serial[16]; + + memset(serial, 0, 16); + snprintf(serial, 13, "%x", msm_board_serial()); + env_set("serial#", serial); + return 0; +} + +/* Fixup of DTB for Linux Kernel + * 1. Fixup installed DRAM. + * 2. Fixup WLAN/BT Mac address: + * First, check if MAC addresses for WLAN/BT exists as environemnt + * variables wlanaddr,btaddr. if not, generate a unique address. + */ + +int ft_board_setup(void *blob, struct bd_info *bd) +{ + u8 mac[ARP_HLEN]; + + msm_fixup_memory(blob); + + if (!eth_env_get_enetaddr("wlanaddr", mac)) { + msm_generate_mac_addr(mac); + }; + + do_fixup_by_compat(blob, "qcom,wcnss-wlan", + "local-mac-address", mac, ARP_HLEN, 1); + + + if (!eth_env_get_enetaddr("btaddr", mac)) { + msm_generate_mac_addr(mac); + +/* The BD address is same as WLAN MAC address but with + * least significant bit flipped. + */ + mac[0] ^= 0x01; + }; + + do_fixup_by_compat(blob, "qcom,wcnss-bt", + "local-bd-address", mac, ARP_HLEN, 1); + return 0; +} + +void reset_cpu(void) +{ + psci_system_reset(); +} |