From 2e651b248348e156d193e46f7a5b827d74af90d6 Mon Sep 17 00:00:00 2001 From: Joe Hershberger Date: Tue, 11 Oct 2011 23:57:31 -0500 Subject: mpc83xx: Rename CONFIG_SYS_DDR_CONFIG and cleanup DDR csbnds code Rename CONFIG_SYS_DDR_CONFIG to include which CS it is configuring Cleanup the setting of the csnbds to respect the setting of CONFIG_SYS_DDR_SDRAM_BASE Use __ilog2 instead of writing the code to compute it Disable unused CS configs Ensure ddrlaw.bar is configured Signed-off-by: Joe Hershberger Cc: Joe Hershberger Signed-off-by: Kim Phillips --- board/ve8313/ve8313.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'board/ve8313') diff --git a/board/ve8313/ve8313.c b/board/ve8313/ve8313.c index 166e459a39..924d871123 100644 --- a/board/ve8313/ve8313.c +++ b/board/ve8313/ve8313.c @@ -65,8 +65,14 @@ static long fixed_sdram(void) */ __udelay(50000); - out_be32(&im->ddr.csbnds[0].csbnds, (msize - 1) >> 24); - out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CONFIG); +#if ((CONFIG_SYS_DDR_SDRAM_BASE & 0x00FFFFFF) != 0) +#warning Chip select bounds is only configurable in 16MB increments +#endif + out_be32(&im->ddr.csbnds[0].csbnds, + ((CONFIG_SYS_DDR_SDRAM_BASE >> CSBNDS_SA_SHIFT) & CSBNDS_SA) | + (((CONFIG_SYS_DDR_SDRAM_BASE + msize - 1) >> CSBNDS_EA_SHIFT) & + CSBNDS_EA)); + out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG); /* Currently we use only one CS, so disable the other bank. */ out_be32(&im->ddr.cs_config[1], 0); -- cgit