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Diffstat (limited to 'roms/u-boot/board/qualcomm/dragonboard410c/dragonboard410c.c')
-rw-r--r--roms/u-boot/board/qualcomm/dragonboard410c/dragonboard410c.c209
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();
+}