On Jul 2, 2008, at 9:11 AM, Andrew Klossner wrote: >> From 03e28f90637703aaef9356dc398adedcdf06cb94 Mon Sep 17 00:00:00 >> 2001 > From: Andrew Klossner <[EMAIL PROTECTED]> > Date: Wed, 2 Jul 2008 07:03:53 -0700 > Subject: [PATCH] Change the temp map to ROM to align addresses to > page size. > > With a page size of BOOKE_PAGESZ_16M, both the real and effective > addresses must be multiples of 16MB. The hardware silently truncates > them so the code happens to work. This patch clarifies the situation > by establishing addresses that the hardware doesn't need to truncate. > --- > cpu/mpc85xx/start.S | 8 ++++---- > 1 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S > index 2b5d90e..e2554d7 100644 > --- a/cpu/mpc85xx/start.S > +++ b/cpu/mpc85xx/start.S > @@ -188,11 +188,11 @@ _start_e500: > lis r7,FSL_BOOKE_MAS1(1, 1, 0, 1, BOOKE_PAGESZ_16M)@h > ori r7,r7,FSL_BOOKE_MAS1(1, 1, 0, 1, BOOKE_PAGESZ_16M)@l > > - lis r8,FSL_BOOKE_MAS2(TEXT_BASE, (MAS2_I|MAS2_G))@h > - ori r8,r8,FSL_BOOKE_MAS2(TEXT_BASE, (MAS2_I|MAS2_G))@l > + lis r8,FSL_BOOKE_MAS2(0xff000000, (MAS2_I|MAS2_G))@h > + ori r8,r8,FSL_BOOKE_MAS2(0xff000000, (MAS2_I|MAS2_G))@l
This needs to be TEXT_BASE & 0xFF000000 > - lis r9,FSL_BOOKE_MAS3(0xff800000, 0, (MAS3_SX|MAS3_SW| > MAS3_SR))@h > - ori r9,r9,FSL_BOOKE_MAS3(0xff800000, 0, (MAS3_SX|MAS3_SW| > MAS3_SR))@l > + lis r9,FSL_BOOKE_MAS3(0xff000000, 0, (MAS3_SX|MAS3_SW| > MAS3_SR))@h > + ori r9,r9,FSL_BOOKE_MAS3(0xff000000, 0, (MAS3_SX|MAS3_SW| > MAS3_SR))@l > > mtspr MAS0,r6 > mtspr MAS1,r7 - k ------------------------------------------------------------------------- Sponsored by: SourceForge.net Community Choice Awards: VOTE NOW! Studies have shown that voting for your favorite open source project, along with a healthy diet, reduces your potential for chronic lameness and boredom. Vote Now at http://www.sourceforge.net/community/cca08 _______________________________________________ U-Boot-Users mailing list U-Boot-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/u-boot-users
