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net: fastboot: Merge AOSP UDP fastboot

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Merge UDP fastboot support from AOSP:

  https://android.googlesource.com/platform/external/u-boot/+/android-o-mr1-iot-preview-8

Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
Signed-off-by: Alex Deymo <deymo@google.com>
Signed-off-by: Jocelyn Bohr <bohr@google.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Alex Kiernan
2018-05-29 15:30:53 +00:00
committed by Marek Vasut
parent c232d14d11
commit f73a7df984
18 changed files with 1338 additions and 20 deletions
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93
drivers/fastboot/fb_common.c
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@@ -12,6 +12,22 @@
#include <common.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".
@@ -74,3 +90,80 @@ int __weak fastboot_set_reboot_flag(void)
{
return -ENOSYS;
}
/**
* 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[12];
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);
}