From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peng Fan Date: Fri, 9 Aug 2019 07:04:39 +0000 Subject: [U-Boot] [PATCH v2 03/11] imx: tpc70: Add board_boot_order() to distinguish between eMMC and SD boot In-Reply-To: <20190730071213.11238-4-lukma@denx.de> References: <20190730071213.11238-1-lukma@denx.de> <20190730071213.11238-4-lukma@denx.de> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de > Subject: [PATCH v2 03/11] imx: tpc70: Add board_boot_order() to distinguish > between eMMC and SD boot > > The TPC70 can boot from SD card (debug/development) and eMMC > (production). > The board_boot_order() function provides a run time check for the device > from which one wants to boot (it is selected by GPIO pins setup). > > Moreover, a fallback to SD card is provided if the detection is not possible or > working properly. > > Signed-off-by: Lukasz Majewski > --- > > board/k+p/kp_imx6q_tpc/kp_imx6q_tpc_spl.c | 20 > ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/board/k+p/kp_imx6q_tpc/kp_imx6q_tpc_spl.c > b/board/k+p/kp_imx6q_tpc/kp_imx6q_tpc_spl.c > index e284d5ec57..e48a577f79 100644 > --- a/board/k+p/kp_imx6q_tpc/kp_imx6q_tpc_spl.c > +++ b/board/k+p/kp_imx6q_tpc/kp_imx6q_tpc_spl.c > @@ -308,6 +308,26 @@ int board_mmc_init(bd_t *bd) > return fsl_esdhc_initialize(bd, &usdhc_cfg[0]); } > > +void board_boot_order(u32 *spl_boot_list) { > + u32 boot_device = spl_boot_device(); > + u32 reg = imx6_src_get_boot_mode(); > + > + reg = (reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT; > + > + debug("%s: boot device: 0x%x (0x4 SD, 0x6 eMMC)\n", __func__, reg); > + if (boot_device == BOOT_DEVICE_MMC1) > + if (reg == IMX6_BMODE_MMC || reg == IMX6_BMODE_EMMC) > + boot_device = BOOT_DEVICE_MMC2; > + > + spl_boot_list[0] = boot_device; > + /* > + * Below boot device is a 'fallback' - it shall always be possible to > + * boot from SD card > + */ > + spl_boot_list[1] = BOOT_DEVICE_MMC1; > +} > + > void board_init_f(ulong dummy) > { > /* setup AIPS and disable watchdog */ Reviewed-by: Peng Fan > -- > 2.11.0