2013/12/10 Tom Rini <tr...@ti.com>: > On Mon, Dec 09, 2013 at 04:07:29PM +0800, Kuo-Jung Su wrote: >> 2013/12/6 Tom Rini <tr...@ti.com>: >> > On Wed, Dec 04, 2013 at 11:50:48AM +0800, Kuo-Jung Su wrote: >> > >> >> Initial Program Loader (IPL) usually runs with .text and .rodata >> >> in ROM, while .data and .bss reside in RAM. >> >> >> >> This patch uses the AT keyword to specify load address, >> >> and a small code snippet in crt0.S to restore .data section >> >> at runtime. >> >> >> >> Example usage: >> >> Assume the target device has a 4KB ROM at 0x00000000 and a >> >> 4KB SRAM at 0xA0000000, the IPL/SPL config could be: >> >> >> >> #define CONFIG_SPL_MAX_SIZE 0x1000 /* text + data, no bss */ >> >> #define CONFIG_SPL_TEXT_BASE 0x00000000 >> >> #define CONFIG_SPL_DATA_BASE 0xA0000000 >> >> #define CONFIG_SPL_STACK 0xA0001000 >> >> >> >> Signed-off-by: Kuo-Jung Su <dant...@gmail.com> >> >> Cc: Albert Aribaud <albert.u.b...@aribaud.net> >> > >> > Can you provide an example user of this functionality? Thanks. >> > >> > -- >> > Tom >> >> If you're looking for a real device, unfortunately there is no such >> device right now, >> it's a shiny new design which just came out last week. >> >> If you're looking for a way for verification: >> >> 1. A real device with a NOR flash for ROM emulation. (e.g., Faraday A369 EVB) >> >> 2. A virtual device emulator. (e.g., Qemu) >> >> This is the best option for you, the Qemu model for Faraday A369 is >> available at my github account. >> Please use the command bellow to grab the source tree if necessary. >> >> $ git clone -b qemu-1.5.1 https://github.com/dantesu1218/qemu.git >> $ cd qemu >> $ ./configure --target-list=arm-softmmu >> $ make >> >> The example IPL code for the up-coming Faraday A369 U-boot is also >> available: >> >> $ git clone -b u-boot-2014.01 https://github.com/dantesu1218/u-boot.git >> $ cd u-boot >> $ make a369evb_ipl_config >> $ make >> >> You could also directly grab the pre-built binaries for quick >> verification. >> >> $ wget >> https://drive.google.com/file/d/0BwfiewvSmUgAMlBnUkZQb3FMVkE/edit?usp=sharing >> $ tar xf u-boot-a369-ipl.tar.bz2 >> $ cd u-boot-a369-ipl >> $ make > > What I'm asking for, is can you upstream the a369evb board? In the > README in board/... you should just document how to use it via QEMU. > Thanks! >
Got it, thanks. I will make it a part of Faraday A36x patch series, and resend it later. -- Best wishes, Kuo-Jung Su _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
