diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/speed.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/speed.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c index 6dd9e8d..203f53d 100644 --- a/arch/powerpc/cpu/mpc85xx/speed.c +++ b/arch/powerpc/cpu/mpc85xx/speed.c @@ -39,6 +39,10 @@ DECLARE_GLOBAL_DATA_PTR; void get_sys_info (sys_info_t * sysInfo) { volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); +#ifdef CONFIG_FSL_IFC + struct fsl_ifc *ifc_regs = (void *)CONFIG_SYS_IFC_ADDR; + u32 ccr; +#endif #ifdef CONFIG_FSL_CORENET volatile ccsr_clk_t *clk = (void *)(CONFIG_SYS_FSL_CORENET_CLK_ADDR); unsigned int cpu; @@ -230,6 +234,13 @@ void get_sys_info (sys_info_t * sysInfo) sysInfo->freqLocalBus = lcrr_div; } #endif + +#if defined(CONFIG_FSL_IFC) + ccr = in_be32(&ifc_regs->ifc_ccr); + ccr = ((ccr & IFC_CCR_CLK_DIV_MASK) >> IFC_CCR_CLK_DIV_SHIFT) + 1; + + sysInfo->freqLocalBus = sysInfo->freqSystemBus / ccr; +#endif } |