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vli: Add dual-image feature for VL103 backup firmware

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This commit is contained in:
Emily Miller 2020-07-10 17:01:40 +08:00 committed by Richard Hughes
parent db2906d49c
commit b700783bf6
2 changed files with 66 additions and 0 deletions
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64
plugins/vli/fu-vli-pd-device.c
View File

@ -392,6 +392,65 @@ fu_vli_pd_device_write_gpios (FuVliPdDevice *self, GError **error)
return TRUE;
}
static gboolean
fu_vli_pd_device_write_dual_firmware (FuVliPdDevice *self, GBytes *fw, GError **error)
{
const guint8 *buf = NULL;
const guint8 *sbuf = NULL;
gsize bufsz = 0;
gsize sbufsz = 0;
guint16 crc_actual;
guint16 crc_file = 0x0;
guint32 sec_addr = 0x28000;
g_autoptr(GBytes) spi_fw = NULL;
/* check spi fw1 crc16 */
fu_device_set_status (FU_DEVICE (self), FWUPD_STATUS_DEVICE_VERIFY);
spi_fw = fu_vli_device_spi_read (FU_VLI_DEVICE (self),
fu_vli_device_get_offset (FU_VLI_DEVICE (self)),
fu_device_get_firmware_size_max (FU_DEVICE (self)),
error);
if (spi_fw == NULL)
return FALSE;
sbuf = g_bytes_get_data (spi_fw, &sbufsz);
if (sbufsz != 0x8000)
sec_addr = 0x30000;
if (!fu_common_read_uint16_safe (sbuf, sbufsz, sbufsz - 2, &crc_file,
G_LITTLE_ENDIAN, error)) {
g_prefix_error (error, "failed to read file CRC: ");
return FALSE;
}
crc_actual = fu_vli_common_crc16 (sbuf, sbufsz - 2);
fu_device_set_status (FU_DEVICE (self), FWUPD_STATUS_DEVICE_WRITE);
/* update fw2 first if fw1 correct */
buf = g_bytes_get_data (fw, &bufsz);
if (crc_actual == crc_file) {
if (!fu_vli_device_spi_write (FU_VLI_DEVICE (self),
sec_addr,
buf, bufsz, error))
return FALSE;
if (!fu_vli_device_spi_write (FU_VLI_DEVICE (self),
fu_vli_device_get_offset (FU_VLI_DEVICE (self)),
buf, bufsz, error))
return FALSE;
/* else update fw1 first */
} else {
if (!fu_vli_device_spi_write (FU_VLI_DEVICE (self),
fu_vli_device_get_offset (FU_VLI_DEVICE (self)),
buf, bufsz, error))
return FALSE;
if (!fu_vli_device_spi_write (FU_VLI_DEVICE (self),
sec_addr,
buf, bufsz, error))
return FALSE;
}
/* success */
return TRUE;
}
static gboolean
fu_vli_pd_device_write_firmware (FuDevice *device,
FuFirmware *firmware,
@ -419,6 +478,11 @@ fu_vli_pd_device_write_firmware (FuDevice *device,
if (!fu_vli_pd_device_write_reg (self, 0x0003, tmp | 0x44, error))
return FALSE;
/* dual image on VL103 */
if (fu_vli_device_get_kind (FU_VLI_DEVICE (device)) == FU_VLI_DEVICE_KIND_VL103 &&
fu_device_has_flag (device, FWUPD_DEVICE_FLAG_DUAL_IMAGE))
return fu_vli_pd_device_write_dual_firmware (self, fw, error);
/* erase */
fu_device_set_status (FU_DEVICE (self), FWUPD_STATUS_DEVICE_ERASE);
if (!fu_vli_device_spi_erase_all (FU_VLI_DEVICE (self), error))

2
plugins/vli/vli-pd.quirk
View File

@ -18,6 +18,7 @@ DeviceKind = VL102
[DeviceInstanceId=USB\VID_2109&PID_0103]
Plugin = vli
GType = FuVliPdDevice
Flags = dual-image
DeviceKind = VL103
[DeviceInstanceId=USB\VID_2109&PID_0104]
Plugin = vli
@ -52,6 +53,7 @@ GType = FuVliPdDevice
[DeviceInstanceId=USB\VID_17EF&PID_7212]
Plugin = vli
GType = FuVliPdDevice
Flag = dual-image
# Lenovo
[DeviceInstanceId=USB\VID_17EF&PID_7215]