Re: [U-Boot-Users] some flow about uboot

2010-01-19 Thread loody
Hi: 2010/1/19 Hiroshi Ito : > From: loody > Subject: [U-Boot-Users] some flow about uboot > Date: Mon, 18 Jan 2010 22:09:41 +0800 > Message-ID: <3a665c761001180609l4d77ae52lb22b4222ea1ca...@mail.gmail.com> > >> Dear all: >> I recently port uboot on my platform.

[U-Boot-Users] some flow about uboot

2010-01-18 Thread loody
Dear all: I recently port uboot on my platform. I have several questions below: 1. why some cpu need reload code to dram rerunning, but some doesn't need. As far as I know, qemu-mips, lib_mips/board.c will but arm,lib_arm/board.c, doesn't. 2. what are the gadget and musb used for under drivers/

Re: [U-Boot-Users] question about interrupt

2008-05-19 Thread loody
uot;b xx'. If uboot don't handle these exceptions, how the kernel knows these events? appreciate your kind help, miloody 2008/5/20 Chetan Nanda <[EMAIL PROTECTED]>: > On Tue, May 20, 2008 at 7:41 AM, loody <[EMAIL PROTECTED]> wrote: >> Dear all: >> I have tr

[U-Boot-Users] question about interrupt

2008-05-19 Thread loody
Dear all: I have trace interrupt/Fiq vector in uboot based on smdk2410. after we save user registers, we jump to following functions I excerpted at the end of mail. But these 2 functions seems not really handle the irq/fiq, would someone please tell me where the real interrupt handler is? Is the i

Re: [U-Boot-Users] how to take off CONFIG_S3C2410 setting

2008-05-13 Thread loody
Hi: I got a arm platform, arm940t, which is pretty much like arm920t, except without mmu. So I decide to port some arm920t uboot to my platform and smdk2410 sounds a good choice. The reason why I take off this config is I just want to build a bare uboot without any driver except UART, the console

[U-Boot-Users] how to take off CONFIG_S3C2410 setting

2008-05-13 Thread loody
Dear all: I try to build make smdk2410_config without CONFIG_S3C2410 define. I see the include path is BUILD_DIR/include, BUILD_DIR/include2 and uboot/include. I have set CONFIG_S3C2410=0 in include/configs/smdk2410.h and also check it as 0 in autoconf.mk, too. But the final image I build still run

[U-Boot-Users] question bout exception happen

2008-05-05 Thread loody
Dear all: I have some question about what arm will do while exceptions happen. In the document, ARM Architecture Reference Manual located at http://www.arm.com/miscPDFs/14128.pdf, there are some actions will be done when IRQ interrupt happened, A2.6.8. Below is excerpted from it: R14_irq = addres

[U-Boot-Users] question about running uboot on armulator

2008-05-02 Thread loody
Dear all: I try to run uboot, configed as smdk2410, on armulator, compatible as ARM7TDMI, but I receive "undefined instructions" exception while running the code "bl cpu_init_crit" in start.S. The ISA of both smk2410 and arm920t is V4T and bl is the instruction that already supported form V1. Doe

[U-Boot-Users] how to make a core uboot?

2008-04-28 Thread loody mil
Dear all: I get an arm platform from my friend and it is not in the list of boards in include folder. I intend to make a pure uboot, without including any driver but only basic cpu setting and uboot commands supported. But I cannot see any config option in Makefile. I know I may choose any config i