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 1a58a194f9..7c7467f7bf 100644 --- a/arch/powerpc/cpu/mpc85xx/speed.c +++ b/arch/powerpc/cpu/mpc85xx/speed.c @@ -86,6 +86,14 @@ void get_sys_info(sys_info_t *sys_info) mem_pll_rat = (in_be32(&gur->rcwsr[0]) >> FSL_CORENET_RCWSR0_MEM_PLL_RAT_SHIFT) & FSL_CORENET_RCWSR0_MEM_PLL_RAT_MASK; + /* T4240/T4160 Rev2.0 MEM_PLL_RAT uses a value which is half of + * T4240/T4160 Rev1.0. eg. It's 12 in Rev1.0, however, for Rev2.0 + * it uses 6. + */ +#if defined(CONFIG_PPC_T4240) || defined(CONFIG_PPC_T4160) + if (SVR_MAJ(get_svr()) >= 2) + mem_pll_rat *= 2; +#endif if (mem_pll_rat > 2) sys_info->freq_ddrbus *= mem_pll_rat; else @@ -221,6 +229,9 @@ void get_sys_info(sys_info_t *sys_info) case 4: sys_info->freq_fman[1] = freq_c_pll[CONFIG_SYS_FM2_CLK + 1] / 4; break; + case 5: + sys_info->freq_fman[1] = sys_info->freq_systembus; + break; case 6: sys_info->freq_fman[1] = freq_c_pll[CONFIG_SYS_FM2_CLK] / 2; break; |