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| author | Bin Meng <bmeng.cn@gmail.com> | 2018-04-11 22:02:06 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2018-04-16 16:54:51 +0800 |
| commit | 2ad3d088d2177908bd9bc7a988bd75fe55c6874c (patch) | |
| tree | 330028be9f2a6681b1fb0881e7184791966b982e /doc | |
| parent | 014d7b13aee89aa67bee14ff97f415449033c668 (diff) | |
| download | u-boot-2ad3d088d2177908bd9bc7a988bd75fe55c6874c.zip u-boot-2ad3d088d2177908bd9bc7a988bd75fe55c6874c.tar.gz u-boot-2ad3d088d2177908bd9bc7a988bd75fe55c6874c.tar.bz2 | |
doc: vxworks: Minor update for clarity
This corrects a typo and updates several places for clarity.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.vxworks | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/doc/README.vxworks b/doc/README.vxworks index 3433e4f..6700e1d 100644 --- a/doc/README.vxworks +++ b/doc/README.vxworks @@ -19,7 +19,7 @@ on PowerPC and ARM, 'bootm' shall be used. 64-bit x86 kernel cannot be loaded as of today. -VxWork 7 on PowerPC and ARM +VxWorks 7 on PowerPC and ARM --------------------------- From VxWorks 7, VxWorks starts adopting device tree as its hardware decription mechansim (for PowerPC and ARM), thus requiring boot interface changes. @@ -30,11 +30,11 @@ the ePAPR standard, which is shown below (see ePAPR for more details): void (*kernel_entry)(fdt_addr, 0, 0, EPAPR_MAGIC, boot_IMA, 0, 0) -For ARM, the calling convention is show below: +For ARM, the calling convention is shown below: void (*kernel_entry)(void *fdt_addr) -When booting new VxWorks kernel (uImage format), the parameters passed to bootm +When booting a VxWorks 7 kernel (uImage format), the parameters passed to bootm is like below: bootm <kernel image address> - <device tree address> @@ -46,7 +46,7 @@ board-specific address before loading VxWorks. U-Boot supplies its address via "bootaddr" environment variable. To check where the bootline should be for a specific board, go to the VxWorks BSP for that board, and look for a parameter called BOOT_LINE_ADRS. Assign its value to "bootaddr". A typical -value for "bootaddr" is 0x101200. +value for "bootaddr" on an x86 board is 0x101200. If a "bootargs" variable is defined, its content will be copied to the memory location pointed by "bootaddr" as the kernel bootline. If "bootargs" is not @@ -79,7 +79,7 @@ for "e820data" and "e820info" are 0x104000 and 0x104a00. But there is one exception on Intel Galileo, where "e820data" and "e820info" should be left unset, which assume the default location for VxWorks. -Note since currently U-Boot does not support ACPI yet, VxWorks kernel must +For boards on which ACPI is not supported by U-Boot yet, VxWorks kernel must be configured to use MP table and virtual wire interrupt mode. This requires INCLUDE_MPTABLE_BOOT_OP and INCLUDE_VIRTUAL_WIRE_MODE to be included in a VxWorks kernel configuration. |