diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap3')
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/sdrc.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/arch/arm/cpu/armv7/omap3/sdrc.c b/arch/arm/cpu/armv7/omap3/sdrc.c index 0dd1955..66ce33f 100644 --- a/arch/arm/cpu/armv7/omap3/sdrc.c +++ b/arch/arm/cpu/armv7/omap3/sdrc.c @@ -58,10 +58,9 @@ u32 is_mem_sdr(void) /* * make_cs1_contiguous - - * - For es2 and above remap cs1 behind cs0 to allow command line - * mem=xyz use all memory with out discontinuous support compiled in. - * Could do it at the ATAG, but there really is two banks... - * - Called as part of 2nd phase DDR init. + * - When we have CS1 populated we want to have it mapped after cs0 to allow + * command line mem=xyz use all memory with out discontinuous support + * compiled in. We could do it in the ATAG, but there really is two banks... */ void make_cs1_contiguous(void) { @@ -207,16 +206,16 @@ int dram_init(void) size0 = get_sdr_cs_size(CS0); /* - * If a second bank of DDR is attached to CS1 this is - * where it can be started. Early init code will init - * memory on CS0. + * We always need to have cs_cfg point at where the second + * bank would be, if present. Failure to do so can lead to + * strange situations where memory isn't detected and + * configured correctly. CS0 will already have been setup + * at this point. */ - if ((sysinfo.mtype == DDR_COMBO) || (sysinfo.mtype == DDR_STACKED)) { - do_sdrc_init(CS1, NOT_EARLY); - make_cs1_contiguous(); + make_cs1_contiguous(); + do_sdrc_init(CS1, NOT_EARLY); + size1 = get_sdr_cs_size(CS1); - size1 = get_sdr_cs_size(CS1); - } gd->ram_size = size0 + size1; return 0; |