diff options
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/soc.c')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/soc.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index a76447ec27..0cb010012e 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -18,7 +18,31 @@ DECLARE_GLOBAL_DATA_PTR; -#if defined(CONFIG_LS2080A) || defined(CONFIG_LS2085A) +bool soc_has_dp_ddr(void) +{ + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + u32 svr = gur_in32(&gur->svr); + + /* LS2085A has DP_DDR */ + if (SVR_SOC_VER(svr) == SVR_LS2085) + return true; + + return false; +} + +bool soc_has_aiop(void) +{ + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + u32 svr = gur_in32(&gur->svr); + + /* LS2085A has AIOP */ + if (SVR_SOC_VER(svr) == SVR_LS2085) + return true; + + return false; +} + +#ifdef CONFIG_LS2080A /* * This erratum requires setting a value to eddrtqcr1 to * optimal the DDR performance. |