diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/speed.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/speed.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c index 488fd5ea76..35dfb0a9a9 100644 --- a/arch/powerpc/cpu/mpc85xx/speed.c +++ b/arch/powerpc/cpu/mpc85xx/speed.c @@ -107,6 +107,13 @@ 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; +#ifdef CONFIG_SYS_FSL_ERRATUM_A007212 + if (mem_pll_rat == 0) { + mem_pll_rat = (in_be32(&gur->rcwsr[0]) >> + FSL_CORENET_RCWSR0_MEM_PLL_RAT_RESV_SHIFT) & + FSL_CORENET_RCWSR0_MEM_PLL_RAT_MASK; + } +#endif /* 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. |