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The PCIe support in uboot would bring failures in i.MX6SX PCIe
EP/RC validations. Disable PCIe support in uboot here.
RootCause: The bit10(ltssm_en) of GPR12 would be set in uboot,
thus the i.MX6SX PCIe EP would be cheated that the other i.MX6SX
PCIe RC had been configured and trying to setup PCIe link
directly, although the i.MX6SX RC is not properly configured
at that time.
PCIe can be supported in uboot, if the i.MX6SX PCIe EP/RC
validation is not running.
Signed-off-by: Richard Zhu <Richard.Zhu@freescale.com>
(cherry picked from commit db79603eeb96ca2e55336fc25b0529c249247454)
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Enable GIS function on imx6sx SDB uboot.
Expand CONFIG_SYS_MALLOC_LEN to 16M.
Signed-off-by: Sandor Yu <R01008@freescale.com>
(cherry picked from commit add90339c4e0ac9630f3c2a34d46b4f60265f56f)
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Fix the GPIO assignments as per the board schematics.
Signed-off-by: Richard Zhu <richard.zhu@freescale.com>
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define CONFIG_SPI_FLASH_BAR in mx6sx_arm2.h mx6sxsabreauto.h to
enable access to flash array higher than 16MB.
CONFIG_SPI_FLASH_BAR is also set in mx6sxsabresd.h for RevB board.
Actually, if QSPI flash size <= 16MB, setting CONFIG_SPI_FLASH_BAR
has not effect.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
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Enable pcie support in uboot on imx6sx sd boards
- enable_pcie_clock should be call before ssp_en is set,
since that ssp_en control the phy_ref clk gate, turn on
it after the source of the pcie clks are stable.
- add debug info
- add rx_eq of gpr12 on imx6sx
- there are random link down issue on imx6sx. It's
pcie ep reset issue.
solution:reset ep, then retry link can fix it.
Signed-off-by: Richard Zhu <r65037@freescale.com>
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The iMX6SX SABRESD RevB board uses Micron N25Q128 to replace Spansion S25FL128
on RevA board.
So enable the CONFIG_SPI_FLASH_STMICRO and CONFIG_SPI_FLASH_SPANSION to support
both two revisions.
Signed-off-by: Ye.Li <B37916@freescale.com>
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The v2014 u-boot provides some “mmc” sub-commands for setting eMMC
boot parameters, such as boot bus, partition, etc.
These sub-commands are controlled by "CONFIG_SUPPORT_EMMC_BOOT".
Enable this configuration for iMX6SXSABRESD board.
Signed-off-by: Ye.Li <B37916@freescale.com>
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The mtest is no longer default in v2014.
To test the DDR, enable this command for each iMX6 board.
Signed-off-by: Ye.Li <B37916@freescale.com>
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The kernel changes to fix the mmcblk index with USDHC controllers
as below:
mmcblk0 ---> USDHC1
mmcblk1 ---> USDHC2
mmcblk2 ---> USDHC3
mmcblk3 ---> USDHC4
So in u-boot, the "mmcroot" must be updated together.
When booting from SD/MMC device, change the "mmcroot" to
dynamically set according to the boot USDHC controller.
It is the same mechanism as "mmcdev" used for kernel image loading.
Therefore, the uboot, kernel image, dtb and rootfs are required
in same SD/MMC card.
To disable the mmc dynamical detection, set the "mmcautodetect" to "no",
then "mmcroot" and "mmcdev" will not be overwritten.
When booting from other devices which needs to load kernel, dtb and
rootfs from SD/MMC card, their "mmcdev" reset vaule is
CONFIG_SYS_MMC_ENV_DEV and "mmcroot" reset value is CONFIG_MMCROOT.
Signed-off-by: Ye.Li <B37916@freescale.com>
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Modified the default boot commands of all iMX6SX boards to use
bootz and zImage.
Signed-off-by: Ye.Li <B37916@freescale.com>
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Enable the "CONFIG_CMD_BMODE" and add BSP support.
"bmode" supports to reboot:
SD4, QSPI2 (SABRESD)
SD2, SD3, eMMC, QSPI2, NAND, SPINOR (17x17 ARM2)
SD1, QSPI2, SPINOR, EIMNOR (19x19 ARM2)
BTW: Board rework is needed on ARM2 for NAND, SPINOR or EIMNOR boot.
Signed-off-by: Ye.Li <B37916@freescale.com>
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Enable the video drivers and MXS LCDIF driver to support the
splash screen on MX6SX SDB and 19x19 ARM2. Add BSP codes for video
parameters and LCDIF/LVDS initialization.
"panel" env is used for selecting the display panel.
Set "panel" env to "Hannstar-XGA" for LVDS display.
Set "panel" env to "MCIMX28LCD" for parallel LCD display.
Signed-off-by: Ye.Li <B37916@freescale.com>
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Add BSP codes to mx6sxsabresd to support android uboot features:
fastboot, booti and recovery
Signed-off-by: Ye.Li <B37916@freescale.com>
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Disable RDC in u-boot till kernel implements it. Otherwise, crash
may happen in kernel.
Signed-off-by: Ye.Li <B37916@freescale.com>
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T support M4 boot in 50 ms, kick start M4 at "board_early_init_f"
stage where u-boot passes ARM and architecture initialization.
Add a configuration "CONFIG_SYS_AUXCORE_FASTUP" for this feature
enablement. And a build config "mx6sxsabresd_m4fastup".
Adjust the default M4 image address to 0x78000000 represented by
"CONFIG_SYS_AUXCORE_BOOTDATA".
When M4 fast boot is enabled, RDC should be enabled together and
the QSPI driver must turn off, because M4 is running on QSPI flash
in XIP. Setup this relationship by configurations.
Signed-off-by: Ye.Li <B37916@freescale.com>
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Add BSP codes for iMX6SX SABRE SD board to support SD/MMC,
USB, QSPI2 NOR Flash, Ethernet, I2C, PMIC and
M4 command boot(bootaux).
Add board build targets of SABER SD for boot device:
mx6sxsabresd --- SD/MMC
mx6sxsabresd_qspi2 --- QuadSPI2 NOR flash
Signed-off-by: Ye.Li <B37916@freescale.com>
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