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Kornilov" , Subject: [PATCH 1/3] board: ti: am64x: Add support for fixing dr_mode while booting from USB Date: Wed, 4 Aug 2021 18:42:44 +0530 Message-ID: <20210804131247.6672-2-a-govindraju@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210804131247.6672-1-a-govindraju@ti.com> References: <20210804131247.6672-1-a-govindraju@ti.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean Fix the dr_mode in the U-Boot device tree blob, by reading the mode field from the USB Boot Configuration fields. The dr_mode will only be fixed when booting from USB. Signed-off-by: Aswath Govindraju --- board/ti/am64x/evm.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/board/ti/am64x/evm.c b/board/ti/am64x/evm.c index 21c58c76d67a..1a9f69c6cf1b 100644 --- a/board/ti/am64x/evm.c +++ b/board/ti/am64x/evm.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include @@ -60,6 +61,37 @@ int board_fit_config_name_match(const char *name) } #endif +#if defined(CONFIG_SPL_BUILD) && CONFIG_IS_ENABLED(USB_STORAGE) +static int fixup_usb_boot(const void *fdt_blob) +{ + int ret = 0; + + switch (spl_boot_device()) { + case BOOT_DEVICE_USB: + /* + * If the boot mode is host, fixup the dr_mode to host + * before cdns3 bind takes place + */ + ret = fdt_find_and_setprop((void *)fdt_blob, + "/bus@f4000/cdns-usb@f900000/usb@f400000", + "dr_mode", "host", 5, 0); + if (ret) + printf("%s: fdt_find_and_setprop() failed:%d\n", + __func__, ret); + fallthrough; + default: + break; + } + + return ret; +} + +void spl_perform_fixups(struct spl_image_info *spl_image) +{ + fixup_usb_boot(spl_image->fdt_addr); +} +#endif + #ifdef CONFIG_TI_I2C_BOARD_DETECT int do_board_detect(void) { -- 2.17.1