diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/speed.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/speed.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c index f00b1ab..a4d6e9c 100644 --- a/arch/powerpc/cpu/mpc85xx/speed.c +++ b/arch/powerpc/cpu/mpc85xx/speed.c @@ -112,23 +112,20 @@ void get_sys_info (sys_info_t * sysInfo) #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2 /* * Each cluster has up to 4 cores, sharing the same PLL selection. - * The cluster assignment is fixed per SoC. There is no way identify the - * assignment so far, presuming the "first configuration" which is to - * fill the lower cluster group first before moving up to next group. - * PLL1, PLL2, PLL3 are cluster group A, feeding core 0~3 on cluster 1 - * and core 4~7 on cluster 2 - * PLL4, PLL5, PLL6 are cluster group B, feeding core 8~11 on cluster 3 - * and core 12~15 on cluster 4 if existing + * The cluster assignment is fixed per SoC. PLL1, PLL2, PLL3 are + * cluster group A, feeding cores on cluster 1 and cluster 2. + * PLL4, PLL5, PLL6 are cluster group B, feeding cores on cluster 3 + * and cluster 4 if existing. */ for_each_cpu(i, cpu, cpu_numcores(), cpu_mask()) { - u32 c_pll_sel = (in_be32(&clk->clkc0csr + (cpu / 4) * 8) >> 27) + int cluster = fsl_qoriq_core_to_cluster(cpu); + u32 c_pll_sel = (in_be32(&clk->clkcsr[cluster].clkcncsr) >> 27) & 0xf; u32 cplx_pll = core_cplx_PLL[c_pll_sel]; if (cplx_pll > 3) printf("Unsupported architecture configuration" " in function %s\n", __func__); - cplx_pll += (cpu / 8) * 3; - + cplx_pll += (cluster / 2) * 3; sysInfo->freqProcessor[cpu] = freqCC_PLL[cplx_pll] / core_cplx_PLL_div[c_pll_sel]; } @@ -240,7 +237,8 @@ void get_sys_info (sys_info_t * sysInfo) #else /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */ for_each_cpu(i, cpu, cpu_numcores(), cpu_mask()) { - u32 c_pll_sel = (in_be32(&clk->clkc0csr + cpu*8) >> 27) & 0xf; + u32 c_pll_sel = (in_be32(&clk->clkcsr[cpu].clkcncsr) >> 27) + & 0xf; u32 cplx_pll = core_cplx_PLL[c_pll_sel]; sysInfo->freqProcessor[cpu] = |