From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
roms/u-boot/drivers/fastboot/fb_common.c | 185 +++++++++++++++++++++++++++++++
1 file changed, 185 insertions(+)
create mode 100644 roms/u-boot/drivers/fastboot/fb_common.c
(limited to 'roms/u-boot/drivers/fastboot/fb_common.c')
diff --git a/roms/u-boot/drivers/fastboot/fb_common.c b/roms/u-boot/drivers/fastboot/fb_common.c
new file mode 100644
index 000000000..cbcc3683c
--- /dev/null
+++ b/roms/u-boot/drivers/fastboot/fb_common.c
@@ -0,0 +1,185 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2008 - 2009
+ * Windriver, <www.windriver.com>
+ * Tom Rix <Tom.Rix@windriver.com>
+ *
+ * Copyright 2011 Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+ *
+ * Copyright 2014 Linaro, Ltd.
+ * Rob Herring <robh@kernel.org>
+ */
+
+#include <bcb.h>
+#include <common.h>
+#include <command.h>
+#include <env.h>
+#include <fastboot.h>
+#include <net/fastboot.h>
+
+/**
+ * fastboot_buf_addr - base address of the fastboot download buffer
+ */
+void *fastboot_buf_addr;
+
+/**
+ * fastboot_buf_size - size of the fastboot download buffer
+ */
+u32 fastboot_buf_size;
+
+/**
+ * fastboot_progress_callback - callback executed during long operations
+ */
+void (*fastboot_progress_callback)(const char *msg);
+
+/**
+ * fastboot_response() - Writes a response of the form "$tag$reason".
+ *
+ * @tag: The first part of the response
+ * @response: Pointer to fastboot response buffer
+ * @format: printf style format string
+ */
+void fastboot_response(const char *tag, char *response,
+ const char *format, ...)
+{
+ va_list args;
+
+ strlcpy(response, tag, FASTBOOT_RESPONSE_LEN);
+ if (format) {
+ va_start(args, format);
+ vsnprintf(response + strlen(response),
+ FASTBOOT_RESPONSE_LEN - strlen(response) - 1,
+ format, args);
+ va_end(args);
+ }
+}
+
+/**
+ * fastboot_fail() - Write a FAIL response of the form "FAIL$reason".
+ *
+ * @reason: Pointer to returned reason string
+ * @response: Pointer to fastboot response buffer
+ */
+void fastboot_fail(const char *reason, char *response)
+{
+ fastboot_response("FAIL", response, "%s", reason);
+}
+
+/**
+ * fastboot_okay() - Write an OKAY response of the form "OKAY$reason".
+ *
+ * @reason: Pointer to returned reason string, or NULL to send a bare "OKAY"
+ * @response: Pointer to fastboot response buffer
+ */
+void fastboot_okay(const char *reason, char *response)
+{
+ if (reason)
+ fastboot_response("OKAY", response, "%s", reason);
+ else
+ fastboot_response("OKAY", response, NULL);
+}
+
+/**
+ * fastboot_set_reboot_flag() - Set flag to indicate reboot-bootloader
+ *
+ * Set flag which indicates that we should reboot into the bootloader
+ * following the reboot that fastboot executes after this function.
+ *
+ * This function should be overridden in your board file with one
+ * which sets whatever flag your board specific Android bootloader flow
+ * requires in order to re-enter the bootloader.
+ */
+int __weak fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)
+{
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC_DEV)
+ static const char * const boot_cmds[] = {
+ [FASTBOOT_REBOOT_REASON_BOOTLOADER] = "bootonce-bootloader",
+ [FASTBOOT_REBOOT_REASON_FASTBOOTD] = "boot-fastboot",
+ [FASTBOOT_REBOOT_REASON_RECOVERY] = "boot-recovery"
+ };
+
+ if (reason >= FASTBOOT_REBOOT_REASONS_COUNT)
+ return -EINVAL;
+
+ return bcb_write_reboot_reason(CONFIG_FASTBOOT_FLASH_MMC_DEV, "misc", boot_cmds[reason]);
+#else
+ return -EINVAL;
+#endif
+}
+
+/**
+ * fastboot_get_progress_callback() - Return progress callback
+ *
+ * Return: Pointer to function called during long operations
+ */
+void (*fastboot_get_progress_callback(void))(const char *)
+{
+ return fastboot_progress_callback;
+}
+
+/**
+ * fastboot_boot() - Execute fastboot boot command
+ *
+ * If ${fastboot_bootcmd} is set, run that command to execute the boot
+ * process, if that returns, then exit the fastboot server and return
+ * control to the caller.
+ *
+ * Otherwise execute "bootm <fastboot_buf_addr>", if that fails, reset
+ * the board.
+ */
+void fastboot_boot(void)
+{
+ char *s;
+
+ s = env_get("fastboot_bootcmd");
+ if (s) {
+ run_command(s, CMD_FLAG_ENV);
+ } else {
+ static char boot_addr_start[20];
+ static char *const bootm_args[] = {
+ "bootm", boot_addr_start, NULL
+ };
+
+ snprintf(boot_addr_start, sizeof(boot_addr_start) - 1,
+ "0x%p", fastboot_buf_addr);
+ printf("Booting kernel at %s...\n\n\n", boot_addr_start);
+
+ do_bootm(NULL, 0, 2, bootm_args);
+
+ /*
+ * This only happens if image is somehow faulty so we start
+ * over. We deliberately leave this policy to the invocation
+ * of fastbootcmd if that's what's being run
+ */
+ do_reset(NULL, 0, 0, NULL);
+ }
+}
+
+/**
+ * fastboot_set_progress_callback() - set progress callback
+ *
+ * @progress: Pointer to progress callback
+ *
+ * Set a callback which is invoked periodically during long running operations
+ * (flash and erase). This can be used (for example) by the UDP transport to
+ * send INFO responses to keep the client alive whilst those commands are
+ * executing.
+ */
+void fastboot_set_progress_callback(void (*progress)(const char *msg))
+{
+ fastboot_progress_callback = progress;
+}
+
+/*
+ * fastboot_init() - initialise new fastboot protocol session
+ *
+ * @buf_addr: Pointer to download buffer, or NULL for default
+ * @buf_size: Size of download buffer, or zero for default
+ */
+void fastboot_init(void *buf_addr, u32 buf_size)
+{
+ fastboot_buf_addr = buf_addr ? buf_addr :
+ (void *)CONFIG_FASTBOOT_BUF_ADDR;
+ fastboot_buf_size = buf_size ? buf_size : CONFIG_FASTBOOT_BUF_SIZE;
+ fastboot_set_progress_callback(NULL);
+}
--
cgit