This adds the functionality to flash u-boot and MLO images to QSPI using fastboot
Signed-off-by: Dileep Katta dileep.katta@linaro.org --- Note: This is on top of Rob Herring patches submitted to support oem format command drivers/usb/gadget/f_fastboot.c | 75 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+)
diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c index f7d84bf..a170eea 100644 --- a/drivers/usb/gadget/f_fastboot.c +++ b/drivers/usb/gadget/f_fastboot.c @@ -492,10 +492,23 @@ static void cb_continue(struct usb_ep *ep, struct usb_request *req) }
#ifdef CONFIG_FASTBOOT_FLASH +#ifdef CONFIG_SPL_SPI_SUPPORT +int boot_from_spi = 0; +#endif + static void cb_flash(struct usb_ep *ep, struct usb_request *req) { char *cmd = req->buf; char response[RESPONSE_LEN]; +#ifdef CONFIG_SPL_SPI_SUPPORT + char source[32]; + int status = 0; + char *sf_probe[3] = {"sf", "probe", "0"}; + char *sf_write_xloader[5] = {"sf", "write", NULL, "0", "20000"}; + char *sf_update_xloader[5] = {"sf", "update", NULL, "0", "20000"}; + char *sf_write_bl[5] = {"sf", "write", NULL, "80000", "80000"}; + char *sf_update_bl[5] = {"sf", "update", NULL, "80000", "80000"}; +#endif
strsep(&cmd, ":"); if (!cmd) { @@ -505,6 +518,68 @@ static void cb_flash(struct usb_ep *ep, struct usb_request *req) }
strcpy(response, "FAILno flash device defined"); +#ifdef CONFIG_SPL_SPI_SUPPORT + /* + * Check if this is for xloader or bootloader. + * Also, check if we have to flash to SPI + */ + if (strcmp(cmd, "xloader") == 0 && boot_from_spi) { + printf("Flashing %s to SPI\n", cmd); + status = do_spi_flash(NULL, 0, 3, sf_probe); + if (status) { + fastboot_tx_write_str("FAILcould not probe SPI"); + return; + } + sf_write_xloader[2] = source; + sf_update_xloader[2] = source; + sprintf(source, "0x%x", + (unsigned int)CONFIG_USB_FASTBOOT_BUF_ADDR); + + printf("Updating X-LOADER to SPI\n"); + status = do_spi_flash(NULL, 0, 5, sf_update_xloader); + if (status) { + fastboot_tx_write_str("FAILupdate xloader failed"); + return; + } + + printf("Writing X-LOADER to SPI\n"); + status = do_spi_flash(NULL, 0, 5, sf_write_xloader); + if (status) { + fastboot_tx_write_str("FAILwrite xloader failed"); + return; + } + printf("Writing xloader DONE\n"); + fastboot_tx_write_str("OKAY"); + return; + } + if (strcmp(cmd, "bootloader") == 0 && boot_from_spi) { + printf("Flashing %s to SPI\n", cmd); + status = do_spi_flash(NULL, 0, 3, sf_probe); + if (status) { + fastboot_tx_write_str("FAILcould not probe SPI"); + return; + } + sf_write_bl[2] = source; + sf_update_bl[2] = source; + sprintf(source, "0x%x", + (unsigned int)CONFIG_USB_FASTBOOT_BUF_ADDR); + printf("Updating bootloader to SPI\n"); + status = do_spi_flash(NULL, 0, 5, sf_update_bl); + if (status) { + fastboot_tx_write_str("FAILupdate bootloader failed"); + return; + } + printf("Writing bootloader to SPI\n"); + status = do_spi_flash(NULL, 0, 5, sf_write_bl); + if (status) { + fastboot_tx_write_str("FAILwrite bootloader failed"); + return; + } + printf("Writing bootloader DONE\n"); + fastboot_tx_write_str("OKAY"); + return; + } +#endif #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV fb_mmc_flash_write(cmd, (void *)CONFIG_USB_FASTBOOT_BUF_ADDR, download_bytes, response);