July 2007 - U-Boot

[U-Boot-Users] [PATCH] Make Sequoia boot vxWorks
by Niklaus Giger 30 Jul '07

30 Jul '07

In order to make vxWorks boot the following changes had to be made: - Do not TLB#0, which is hardwired by vxWorks to be used for the machine check interrupt - Patch some periferal bus configuration register to match the use by vxWorks Signed-off-by: Niklaus Giger <niklaus.giger(a)netstal.com> --- board/amcc/sequoia/init.S | 17 ++++++++++------- board/amcc/sequoia/sequoia.c | 11 +++++++++++ common/cmd_elf.c | 3 +++ cpu/ppc4xx/start.S | 5 ++++- include/configs/sequoia.h | 2 ++ 5 files changed, 30 insertions(+), 8 deletions(-) diff --git a/board/amcc/sequoia/init.S b/board/amcc/sequoia/init.S index 45bcd4b..f7f268b 100644 --- a/board/amcc/sequoia/init.S +++ b/board/amcc/sequoia/init.S @@ -87,8 +87,17 @@ tlbtab: tlbtab_start + /* TLB#0: vxWorks needs this entry for the Machine Check interrupt, */ + tlbentry( 0x40000000, SZ_256M, 0, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) + + /* TLB#1: TLB-entry for DDR SDRAM (Up to 2GB) */ + tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) + + /* TLB#2: TLB-entry for EBC */ + tlbentry( CFG_BCSR_BASE, SZ_256M, CFG_BCSR_BASE, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + /* - * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the + * TLB#3: BOOT_CS (FLASH) must be forth. Before relocation SA_I can be off to use the * speed up boot process. It is patched after relocation to enable SA_I */ #ifndef CONFIG_NAND_SPL @@ -97,9 +106,6 @@ tlbtab: tlbentry( CFG_NAND_BOOT_SPL_SRC, SZ_4K, CFG_NAND_BOOT_SPL_SRC, 1, AC_R|AC_W|AC_X|SA_G ) #endif - /* TLB-entry for DDR SDRAM (Up to 2GB) */ - tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) - #ifdef CFG_INIT_RAM_DCACHE /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G ) @@ -111,9 +117,6 @@ tlbtab: tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 1, AC_R|AC_W|SA_G|SA_I ) tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 1, AC_R|AC_W|SA_G|SA_I ) - /* TLB-entry for EBC */ - tlbentry( CFG_BCSR_BASE, SZ_1K, CFG_BCSR_BASE, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) - /* TLB-entry for NAND */ tlbentry( CFG_NAND_ADDR, SZ_1K, CFG_NAND_ADDR, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) diff --git a/board/amcc/sequoia/sequoia.c b/board/amcc/sequoia/sequoia.c index f823117..09c5f69 100644 --- a/board/amcc/sequoia/sequoia.c +++ b/board/amcc/sequoia/sequoia.c @@ -582,3 +582,14 @@ int post_hotkeys_pressed(void) return 0; /* No hotkeys supported */ } #endif /* CONFIG_POST */ + +#ifdef CFG_PATCH_BEFORE_BOOTING_VXWORKS +void patch_vxworks_boot(void) +{ + printf("Patching pb0/3 for vxWorks\n"); + mtebc(pb0cr, 0xfe0ba000); + mtebc(pb0ap, 0x03017300); + mtebc(pb3cr, 0xd00fc000); + mtebc(pb3ap, 0x7f8ffe80); +} +#endif diff --git a/common/cmd_elf.c b/common/cmd_elf.c index 0e3d56f..a3790c1 100644 --- a/common/cmd_elf.c +++ b/common/cmd_elf.c @@ -209,6 +209,9 @@ int do_bootvx (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) /* leave addr as load_addr */ } +#if defined(CFG_PATCH_BEFORE_BOOTING_VXWORKS) + patch_vxworks_boot(); +#endif printf ("## Using bootline (@ 0x%lx): %s\n", bootaddr, (char *) bootaddr); printf ("## Starting vxWorks at 0x%08lx ...\n", addr); diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index 8ecaaea..3f1c061 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -1432,7 +1432,10 @@ relocate_code: dccci 0,0 /* Invalidate data cache, now no longer our stack */ sync isync - addi r1,r0,0x0000 /* TLB entry #0 */ +#ifndef CFG_TLB_FOR_BOOT_FLASH +#define CFG_TLB_FOR_BOOT_FLASH 0 +#endif + addi r1,r0,CFG_TLB_FOR_BOOT_FLASH /* TLB entry (default #0) */ tlbre r0,r1,0x0002 /* Read contents */ ori r0,r0,0x0c00 /* Or in the inhibit, write through bit */ tlbwe r0,r1,0x0002 /* Save it out */ diff --git a/include/configs/sequoia.h b/include/configs/sequoia.h index 3219992..300b3f5 100644 --- a/include/configs/sequoia.h +++ b/include/configs/sequoia.h @@ -53,6 +53,8 @@ #define CFG_MONITOR_LEN (384 * 1024) /* Reserve 384 kB for Monitor */ #define CFG_MALLOC_LEN (256 * 1024) /* Reserve 256 kB for malloc() */ +#define CFG_TLB_FOR_BOOT_FLASH 3 /* Default is 0 */ +#define CFG_PATCH_BEFORE_BOOTING_VXWORKS 1 #define CFG_BOOT_BASE_ADDR 0xf0000000 #define CFG_SDRAM_BASE 0x00000000 /* _must_ be 0 */ #define CFG_FLASH_BASE 0xfc000000 /* start of FLASH */ -- 1.5.2 -- Niklaus Giger Netstal Maschinen AG CH-8752 Naefels

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[U-Boot-Users] what's the function jumptable_init() doing?
by 孙彬 30 Jul '07

30 Jul '07

hi,all: In the dir lib_arm\Board.c,I don't know the function of jumptable_init() function?who can help me,thanks! in the func jumptable_init(void), gd->jt[XF_get_version] = (void *) get_version; gd->jt[XF_malloc] = (void *) malloc; gd->jt[XF_free] = (void *) free; gd->jt[XF_get_timer] = (void *)get_timer; gd->jt[XF_udelay] = (void *)udelay; I can't find where's XF_get_version,XF_malloc defined? --------------------------------- 抢注雅虎免费邮箱3.5G容量，20M附件！

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[U-Boot-Users] How to add Timer Interrupt to u-boot?
by Robert 30 Jul '07

30 Jul '07

Hello all: Everybody knows how to add Timer Interrupt to the u-boot? I wrote a fuction called timer0_isr(), and wanted to add it to Uboot, but I didn't know what to do, Does the uboot has a funciton like function request_irq() in linux kernel? Thanks in advance! With kind regards, Robert Xia

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Re: [U-Boot-Users] switching of Blackfin maintenance
by Aubrey Li 30 Jul '07

30 Jul '07

On 7/25/07, Detlev Zundel <dzu(a)denx.de> wrote: > Hi Mike and Aubrey, > > > On Monday 23 July 2007, Detlev Zundel wrote: > >> > On Saturday 14 July 2007, Mike Frysinger wrote: > >> >> our current Blackfin maintainer has taken off for greener pastures, so > >> >> i'll be taking over Blackfin maintenance in the meantime. can i get the > >> >> username "vapier" created on the Blackfin git repo using the attached > >> >> ssh pubkey please. > >> > > >> > *poke* i dont think ive been setup on the server ... > >> > >> Whooa - thanks for poking. Our standard U-Boot custodian account > >> unfortunately only offers the username gu-blackfin in your case. > >> Arbitrary user ids will probably be offered in the "premium edition" > >> sometime in the future :) > > > > np ... seems to be working for me. thanks! > > <offlist> > > Is it ok then to remove Aubreys public key from the gu-blackfin > repository? Right now Aubreys key also still works. I changed the > owner of the repo on our wiki page[1] by the way. > > Let me know what to do. > > Thanks > Detlev > > [1] http://www.denx.de/wiki/UBoot/Custodians > Yeah, no problem with me. Best Regards, -Aubrey

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[U-Boot-Users] 405GP configuration.
by allam ishita 30 Jul '07

30 Jul '07

Hi, I am working on 405GP AMCC. I want to build u-boot for the 405GP. But in the Makefile I see lot of supports for the 405GP (i.e APC405_config,AR405_config,bamboo_config,bubinga_config) like this. which one i can take and build for my board. And also I don't see which UART they are using also? Can any one help me out. SR. --------------------------------- Download prohibited? No problem. CHAT from any browser, without download.

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Re: [U-Boot-Users] U-boot for MCF5329
by Robert S. Grimes 30 Jul '07

30 Jul '07

Liew Tsi Chung-r5aahp wrote: > Robert, > > Just to let you know that the denx git server now have M5329 support. Please use it for your future development. > Hi TsiChung, I just downloaded it, and after a couple of silly hiccups, I got it to compile. However, it did get very far. I at first thought it was the call to icache_enable() at the end of cpu_init_f(), as gdb always got there, until I temporarily removed it discovered the real culprit. It was the setup of CS2 for the NAND Flash. I am 99% sure I have a M5329BFE Fire Engine, as I have the M5329EVB, but it seems something's wrong there. If I pretent I have the M5329AFE (i.e. no NAND Flash), it works great! Burned it to NOR and power-cycle - boots right up! I would like to get the NAND working, though... Any ideas? Thanks! -Bob > Thanks, > > Regards, > TsiChung > > > -----Original Message----- > From: Robert S. Grimes [mailto:rsg@alum.mit.edu] > Sent: Tuesday, June 19, 2007 8:08 PM > To: Liew Tsi Chung-r5aahp > Subject: Re: U-boot for MCF5329 > > Liew Tsi Chung-r5aahp wrote > TsiChung, > > That is great news! I do wish I knew about that earlier! Of course, I did get a better understanding of both the hMCF5329 and U-Boot, porting it myself. My port currently works with the m5329evb, and supports the uart, flash, and sdram. The timer is used for delays, but I'm not sure how thorough it is implemented. I don't have rtc, the clock PLL is quirky, and I especially miss the fec. I read up on the Ethernet last Friday, but I hadn't gotten a chance to attempt that. Given my project resources, think I'll use yours instead! I'll certainly look at what you've got, and am very interested in future developments! > > Thanks, > -Bob > > P.S. By the way, please use rsg(a)alum.mit.edu for my email address - the > other one is obsolete, and somewhat unreliable. > >> Robert, >> >> Freescale already has u-boot ported for MCF5329. Currently, the >> u-boot is in test version and the version is not finalized yet until >> some structures are in place. For example, the tradition way for each >> processor cpu/m5xxx has repeated serial.c, fec.c, interrupts.c, etc. The >> new way of structure is to have common generic driver such as >> drivers/serial/mcfserial.c to share among coldfire family for better >> portability and easy of use. >> >> You are welcome to download the test version of u-boot from >> opensource.freescale.com. However, more changes will be made soon. The >> current version has uart, flash, timer, rtc, and fec support. >> >> Here is the link to download the source. >> http://opensource.freescale.com/git?p=u-boot-coldfire.git;a=tree;h=u-boo >> t-5329-early;hb=u-boot-5329-early >> >> I will notify you once the port is final. >> >> Regards, >> TsiChung >> >> >> > >

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[U-Boot-Users] (no subject)
by sun 30 Jul '07

30 Jul '07

thanks,Mr. Dyer I got it where's EXPORT_FUNC(x) defined,but I am not sure what the func. jumptable_init() does in U-Boot Best regards! sun --------------------------------- 抢注雅虎免费邮箱3.5G容量，20M附件！

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by funnypostcard.com 29 Jul '07

29 Jul '07

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[U-Boot-Users] Fw:
by Thistle 29 Jul '07

29 Jul '07

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Re: [U-Boot-Users] format=flowed; charset="koi8-r"; reply-type=original
by Zamora Clarence 29 Jul '07

29 Jul '07

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