From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bo Shen Date: Tue, 29 Jan 2013 17:58:06 +0800 Subject: [U-Boot] Can I read env from RAM in uboot script? In-Reply-To: <1359419103.7974.169.camel@genx> References: <1359165410.7974.114.camel@genx> <20130126074103.AD5232005C3@gemini.denx.de> <1359407945.7974.144.camel@genx> <5106F224.8010601@myspectrum.nl> <5106F529.2030407@myspectrum.nl> <1359419103.7974.169.camel@genx> Message-ID: <51079D2E.90607@atmel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi John Stile, On 01/29/2013 08:25 AM, John Stile wrote: [snip] > I saw that. > > I tried to update u-boot-1.3.4 to u-boot-2013. > > I changed at91bootstrap's JUMP_ADDR from 0x23F00000 to 0x21F00000, as > advised by previous posts. > > Now I am getting the wrong board type error from the kernel. > my board is an AT91SAM9G20EK_2MMC > > I am having a hard time setting: > #define MACH_TYPE_AT91SAM9G20EK_2MMC 2288 > insted of > #define MACH_TYPE_AT91SAM9G20EK 1624 > > In had to change buildroot's .config from: > BR2_TARGET_UBOOT_BOARDNAME="at91sam9g20ek_2mmc_nandflash" > to > BR2_TARGET_UBOOT_BOARDNAME="at91sam9g20ek_nandflash" > whihch I suspect is the problem. > > I'm trying to change the buildroots output/build/uboot-custom manually, > and rerun the build, but no luck yet. > > My kernel is built with CONFIG_MACH_AT91SAM9G20EK_2MMC=y > > So how do I force u-boot to agree? Please have test with the following patch (add at91sam9g20ek 2mmc nandflash boot support) and check whether it will solve you problem. You should use at91sam9g20ek_2mmc_nandflash to configure the u-boot ------------------------------------------------ diff --git a/board/atmel/at91sam9260ek/at91sam9260ek.c b/board/atmel/at91sam9260ek/at91sam9260ek.c index 2555672..ce475df 100644 --- a/board/atmel/at91sam9260ek/at91sam9260ek.c +++ b/board/atmel/at91sam9260ek/at91sam9260ek.c @@ -157,6 +157,10 @@ int board_early_init_f(void) int board_init(void) { +#ifdef CONFIG_AT91SAM9G20EK_2MMC + /* arch number of AT91SAM9260EK-Board */ + gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9G20EK_2MMC; +#else #ifdef CONFIG_AT91SAM9G20EK /* arch number of AT91SAM9260EK-Board */ gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9G20EK; @@ -164,6 +168,7 @@ int board_init(void) /* arch number of AT91SAM9260EK-Board */ gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9260EK; #endif +#endif /* adress of boot parameters */ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; diff --git a/boards.cfg b/boards.cfg index e4b0d44..fa863dc 100644 --- a/boards.cfg +++ b/boards.cfg @@ -95,6 +95,7 @@ at91sam9g10ek_nandflash arm arm926ejs at91sam9261ek atmel at91sam9g20ek_dataflash_cs0 arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9G20,SYS_USE_DATAFLASH_CS0 at91sam9g20ek_dataflash_cs1 arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9G20,SYS_USE_DATAFLASH_CS1 at91sam9g20ek_nandflash arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9G20,SYS_USE_NANDFLASH +at91sam9g20ek_2mmc_nandflash arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9G20,AT91SAM9G20EK_2MMC,SYS_USE_NANDFLASH at91sam9m10g45ek_nandflash arm arm926ejs at91sam9m10g45ek atmel at91 at91sam9m10g45ek:AT91SAM9M10G45,SYS_USE_NANDFLASH at91sam9rlek_dataflash arm arm926ejs at91sam9rlek atmel at91 at91sam9rlek:AT91SAM9RL,SYS_USE_DATAFLASH at91sam9rlek_nandflash arm arm926ejs at91sam9rlek atmel at91 at91sam9rlek:AT91SAM9RL,SYS_USE_NANDFLASH --------------------------------------------------------------------------- Best Regards, Bo Shen