diff options
Diffstat (limited to 'board/freescale')
| -rw-r--r-- | board/freescale/mx25pdk/mx25pdk.c | 6 | ||||
| -rw-r--r-- | board/freescale/mx6sabresd/MAINTAINERS | 4 | ||||
| -rw-r--r-- | board/freescale/mx6sabresd/README | 84 |
3 files changed, 35 insertions, 59 deletions
diff --git a/board/freescale/mx25pdk/mx25pdk.c b/board/freescale/mx25pdk/mx25pdk.c index 788d3c3e35..cab769cbd0 100644 --- a/board/freescale/mx25pdk/mx25pdk.c +++ b/board/freescale/mx25pdk/mx25pdk.c @@ -175,6 +175,12 @@ int board_mmc_init(bd_t *bis) imx_iomux_v3_setup_multiple_pads(sdhc1_pads, ARRAY_SIZE(sdhc1_pads)); + /* + * Set the eSDHC1 PER clock to the maximum frequency lower than or equal + * to 50 MHz that can be obtained, which requires to use UPLL as the + * clock source. This actually gives 48 MHz. + */ + imx_set_perclk(MXC_ESDHC1_CLK, true, 50000000); esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC1_CLK); return fsl_esdhc_initialize(bis, &esdhc_cfg[0]); } diff --git a/board/freescale/mx6sabresd/MAINTAINERS b/board/freescale/mx6sabresd/MAINTAINERS index add23143a3..95752619e7 100644 --- a/board/freescale/mx6sabresd/MAINTAINERS +++ b/board/freescale/mx6sabresd/MAINTAINERS @@ -3,6 +3,4 @@ M: Fabio Estevam <fabio.estevam@nxp.com> S: Maintained F: board/freescale/mx6sabresd/ F: include/configs/mx6sabresd.h -F: configs/mx6dlsabresd_defconfig -F: configs/mx6qsabresd_defconfig -F: configs/mx6sabresd_spl_defconfig +F: configs/mx6sabresd_defconfig diff --git a/board/freescale/mx6sabresd/README b/board/freescale/mx6sabresd/README index bc0c0d0d16..4b4df06330 100644 --- a/board/freescale/mx6sabresd/README +++ b/board/freescale/mx6sabresd/README @@ -1,56 +1,47 @@ -How to use and build U-Boot on mx6sabresd: ----------------------------------- - -Currently there are four methods for booting mx6sabresd boards: +How to use and build U-Boot on mx6sabresd +----------------------------------------- -1. Booting from SD card via normal U-Boot (u-boot.imx) +The following methods can be used for booting mx6sabresd boards: -2. Booting from eMMC via normal U-Boot +1. Booting from SD card -3. Booting via SPL (SPL and u-boot.img) +2. Booting from eMMC -4. Booting via Falcon mode (SPL launches the kernel directly) +3. Booting via Falcon mode (SPL launches the kernel directly) -1. Booting from SD card via normal U-Boot ------------------------------------------ +1. Booting from SD card via SPL +------------------------------- -$ make mx6qsabresd_defconfig (If you want to build for mx6qsabresd) +mx6sabresd_defconfig target supports mx6q/mx6dl/mx6qp sabresd variants. -or +In order to build it: -$ make mx6dlsabresd_defconfig (If you want to build for mx6dlsabresd) +$ make mx6sabresd_defconfig $ make -This will generate the image called u-boot.imx. +This will generate the SPL and u-boot.img binaries. -- Flash the u-boot.imx binary into the SD card: +- Flash the SPL binary into the SD card: -$ sudo dd if=u-boot.imx of=/dev/sdb bs=1K seek=1 && sync +$ sudo dd if=SPL of=/dev/sdX bs=1K seek=1 && sync +- Flash the u-boot.img binary into the SD card: -2. Booting from eMMC via normal U-Boot --------------------------------------- +$ sudo dd if=u-boot.img of=/dev/sdX bs=1K seek=69 && sync -$ make mx6qsabresd_defconfig (If you want to build for mx6qsabresd) -or +2. Booting from eMMC +-------------------- -$ make mx6dlsabresd_defconfig (If you want to build for mx6dlsabresd) +$ make mx6sabresd_defconfig $ make -This will generate the image called u-boot.imx. - -- Flash the u-boot.imx binary into the eMMC: - -Set SW6 to download mode: 00001100 +This will generate the SPL and u-boot.img binaries. -Plug a usb cable to USB-OTG and load the u-boot image using the imx_usb_loader -tool (https://github.com/boundarydevices/imx_usb_loader): - -$ sudo ./imx_usb u-boot.imx +- Boot first from SD card as shown in the previous section In U-boot change the eMMC partition config: @@ -60,48 +51,29 @@ Mount the eMMC in the host PC: => ums 0 mmc 2 -Flash the u-boot.imx binary +- Flash SPL and u-boot.img binaries into the eMMC: -$ sudo dd if=u-boot.imx of=/dev/sdX bs=1K seek=1 && sync +$ sudo dd if=SPL of=/dev/sdX bs=1K seek=1 && sync +$ sudo dd if=u-boot.img of=/dev/sdX bs=1K seek=69 && sync Set SW6 to eMMC 8-bit boot: 11010110 -3. Booting via SPL ------------------- - -Other method for building U-Boot on mx6qsabresd and mx6qpsabresd is -through SPL. In order to do so: - -$ make mx6sabresd_spl_defconfig -$ make - -This will generate the SPL image called SPL and the u-boot.img. - -- Flash the SPL image into the SD card: - -$ sudo dd if=SPL of=/dev/sdb bs=1K seek=1 && sync - -- Flash the u-boot.img image into the SD card: - -$ sudo dd if=u-boot.img of=/dev/sdbbs=1K seek=69 && sync - - -4. Booting via Falcon mode +3. Booting via Falcon mode -------------------------- -$ make mx6sabresd_spl_defconfig +$ make mx6sabresd_defconfig $ make This will generate the SPL image called SPL and the u-boot.img. - Flash the SPL image into the SD card: -$ sudo dd if=SPL of=/dev/sdb bs=1K seek=1 oflag=sync status=none && sync +$ sudo dd if=SPL of=/dev/sdX bs=1K seek=1 oflag=sync status=none && sync - Flash the u-boot.img image into the SD card: -$ sudo dd if=u-boot.img of=/dev/sdbbs=1K seek=69 oflag=sync status=none && sync +$ sudo dd if=u-boot.img of=/dev/sdX bs=1K seek=69 oflag=sync status=none && sync Create a partition for root file system and extract it there: |