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| author | Madan Srinivas <madans@ti.com> | 2016-05-19 19:10:47 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-05-27 15:41:34 -0400 |
| commit | 9aac7d0ec96923a39f8d234f82b82bec5c13f183 (patch) | |
| tree | d9806c0b9a02a245094595b628da01adbd483b79 /configs | |
| parent | 883dfd15536e41d2b994099dd478be5a18660960 (diff) | |
| download | talos-obmc-uboot-9aac7d0ec96923a39f8d234f82b82bec5c13f183.tar.gz talos-obmc-uboot-9aac7d0ec96923a39f8d234f82b82bec5c13f183.zip | |
ti: AM43xx: Use CONFIG options from SOC Kconfig
Updates configs/am43xx_evm.h to use CONFIG options from
SOC specific Kconfig file for various calculations.
On AM43x devices, the address of SPL entry point depends on
the device type, i.e. whether it is secure or non-secure.
Further, for non-secure devices, the SPL entry point is different
between USB HOST boot mode, other "memory" boot modes (MMC, NAND)
and "peripheral" boot modes (UART, USB)
To add to the complexity, on secure devices, in addition to the
above differences, the SPL entry point can change because of the
space occupied by other components (other than u-boot or spl)
that go into a secure boot image.
To prevent the user from having to modify source files every time
any component of the secure image changes, the value of
CONFIG_SPL_TEXT_BASE has been set using a Kconfig option that
is supplied in the am43xx_*_defconfig files
Using the CONFIG options also enables us to do away with some
compile time flags that were used to specify CONFIG_SPL_TEXT_BASE
for different boot modes.
On QSPI devices, the same problem described above occurs w.r.t. the
address of the u-boot entry point in flash, when booting secure
devices. To handle this, CONFIG_SYS_TEXT_BASE is also setup via
a Kconfig option and the defconfig files.
Signed-off-by: Madan Srinivas <madans@ti.com>
Signed-off-by: Daniel Allred <d-allred@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Tested-by: Andreas Dannenberg <dannenberg@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'configs')
| -rw-r--r-- | configs/am43xx_evm_qspiboot_defconfig | 1 | ||||
| -rw-r--r-- | configs/am43xx_evm_usbhost_boot_defconfig | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/configs/am43xx_evm_qspiboot_defconfig b/configs/am43xx_evm_qspiboot_defconfig index 4bc75e7117..5f90e2bef1 100644 --- a/configs/am43xx_evm_qspiboot_defconfig +++ b/configs/am43xx_evm_qspiboot_defconfig @@ -1,6 +1,7 @@ CONFIG_ARM=y CONFIG_AM43XX=y CONFIG_TARGET_AM43XX_EVM=y +CONFIG_ISW_ENTRY_ADDR=0x30000000 CONFIG_SYS_EXTRA_OPTIONS="SERIAL1,CONS_INDEX=1,QSPI,QSPI_BOOT" CONFIG_HUSH_PARSER=y CONFIG_CMD_BOOTZ=y diff --git a/configs/am43xx_evm_usbhost_boot_defconfig b/configs/am43xx_evm_usbhost_boot_defconfig index 32a07edccf..1f73114650 100644 --- a/configs/am43xx_evm_usbhost_boot_defconfig +++ b/configs/am43xx_evm_usbhost_boot_defconfig @@ -2,6 +2,7 @@ CONFIG_ARM=y CONFIG_AM43XX=y CONFIG_TARGET_AM43XX_EVM=y CONFIG_SPL=y +CONFIG_ISW_ENTRY_ADDR=0x40300350 CONFIG_SYS_EXTRA_OPTIONS="SERIAL1,CONS_INDEX=1,NAND,SPL_USB_HOST_SUPPORT" CONFIG_HUSH_PARSER=y CONFIG_CMD_BOOTZ=y |
