From 337c4333834f9aa7f7a31391ca1bef01ade2ed9c Mon Sep 17 00:00:00 2001 From: Heiko Schocher Date: Wed, 14 Sep 2011 19:59:37 +0000 Subject: [PATCH] arm, davinci: add NOR Boot Configuration Word to add the "NOR Boot Configuration Word" on AM18xx based boards, define CONFIG_SYS_DV_NOR_BOOT_CFG. Signed-off-by: Heiko Schocher Cc: Paulraj Sandeep Cc: Albert ARIBAUD Signed-off-by: Sandeep Paulraj --- arch/arm/cpu/arm926ejs/start.S | 9 +++++++++ doc/README.davinci | 9 +++++++++ 2 files changed, 18 insertions(+) diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S index d164d6d6ca..5e30745057 100644 --- a/arch/arm/cpu/arm926ejs/start.S +++ b/arch/arm/cpu/arm926ejs/start.S @@ -51,9 +51,18 @@ */ +#ifdef CONFIG_SYS_DV_NOR_BOOT_CFG .globl _start _start: +.globl _NOR_BOOT_CFG +_NOR_BOOT_CFG: + .word CONFIG_SYS_DV_NOR_BOOT_CFG b reset +#else +.globl _start +_start: + b reset +#endif #ifdef CONFIG_SPL_BUILD /* No exception handlers in preloader */ ldr pc, _hang diff --git a/doc/README.davinci b/doc/README.davinci index 0204372a2f..5f1bdc836c 100644 --- a/doc/README.davinci +++ b/doc/README.davinci @@ -139,3 +139,12 @@ http://www.spectrumdigital.com/product_info.php?cPath=37&products_id=214 7) TI DA850 EVM http://focus.ti.com/docs/prod/folders/print/omap-l138.html http://www.logicpd.com/products/development-kits/zoom-omap-l138-evm-development-kit + +Davinci special defines +======================= + +CONFIG_SYS_DV_NOR_BOOT_CFG: AM18xx based boards, booting in NOR Boot mode + need a "NOR Boot Configuration Word" stored + in the NOR Flash. This define adds this. + More Info about this, see: + spraba5a.pdf chapter 3.1 -- 2.30.2