diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/speed.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/speed.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c index 7e698730f3..e24b857672 100644 --- a/arch/powerpc/cpu/mpc85xx/speed.c +++ b/arch/powerpc/cpu/mpc85xx/speed.c @@ -34,6 +34,10 @@ void get_sys_info(sys_info_t *sys_info) #ifdef CONFIG_FSL_CORENET volatile ccsr_clk_t *clk = (void *)(CONFIG_SYS_FSL_CORENET_CLK_ADDR); unsigned int cpu; +#ifdef CONFIG_HETROGENOUS_CLUSTERS + unsigned int dsp_cpu; + uint rcw_tmp1, rcw_tmp2; +#endif #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2 int cc_group[12] = CONFIG_SYS_FSL_CLUSTER_CLOCKS; #endif @@ -157,6 +161,7 @@ void get_sys_info(sys_info_t *sys_info) else freq_c_pll[i] = sys_info->freq_systembus * ratio[i]; } + #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2 /* * As per CHASSIS2 architeture total 12 clusters are posible and @@ -181,6 +186,20 @@ void get_sys_info(sys_info_t *sys_info) sys_info->freq_processor[cpu] = freq_c_pll[cplx_pll] / core_cplx_pll_div[c_pll_sel]; } + +#ifdef CONFIG_HETROGENOUS_CLUSTERS + for_each_cpu(i, dsp_cpu, cpu_num_dspcores(), cpu_dsp_mask()) { + int dsp_cluster = fsl_qoriq_dsp_core_to_cluster(dsp_cpu); + u32 c_pll_sel = (in_be32 + (&clk->clkcsr[dsp_cluster].clkcncsr) >> 27) + & 0xf; + u32 cplx_pll = core_cplx_PLL[c_pll_sel]; + cplx_pll += cc_group[dsp_cluster] - 1; + sys_info->freq_processor_dsp[dsp_cpu] = + freq_c_pll[cplx_pll] / core_cplx_pll_div[c_pll_sel]; + } +#endif + #if defined(CONFIG_PPC_B4860) || defined(CONFIG_PPC_B4420) || \ defined(CONFIG_PPC_T2080) || defined(CONFIG_PPC_T2081) #define FM1_CLK_SEL 0xe0000000 @@ -243,6 +262,127 @@ void get_sys_info(sys_info_t *sys_info) sys_info->freq_qman = sys_info->freq_systembus / CONFIG_QBMAN_CLK_DIV; #endif +#if defined(CONFIG_SYS_MAPLE) +#define CPRI_CLK_SEL 0x1C000000 +#define CPRI_CLK_SHIFT 26 +#define CPRI_ALT_CLK_SEL 0x00007000 +#define CPRI_ALT_CLK_SHIFT 12 + + rcw_tmp1 = in_be32(&gur->rcwsr[7]); /* Reading RCW bits: 224-255*/ + rcw_tmp2 = in_be32(&gur->rcwsr[15]); /* Reading RCW bits: 480-511*/ + /* For MAPLE and CPRI frequency */ + switch ((rcw_tmp1 & CPRI_CLK_SEL) >> CPRI_CLK_SHIFT) { + case 1: + sys_info->freq_maple = freq_c_pll[CONFIG_SYS_CPRI_CLK]; + sys_info->freq_cpri = freq_c_pll[CONFIG_SYS_CPRI_CLK]; + break; + case 2: + sys_info->freq_maple = freq_c_pll[CONFIG_SYS_CPRI_CLK] / 2; + sys_info->freq_cpri = freq_c_pll[CONFIG_SYS_CPRI_CLK] / 2; + break; + case 3: + sys_info->freq_maple = freq_c_pll[CONFIG_SYS_CPRI_CLK] / 3; + sys_info->freq_cpri = freq_c_pll[CONFIG_SYS_CPRI_CLK] / 3; + break; + case 4: + sys_info->freq_maple = freq_c_pll[CONFIG_SYS_CPRI_CLK] / 4; + sys_info->freq_cpri = freq_c_pll[CONFIG_SYS_CPRI_CLK] / 4; + break; + case 5: + if (((rcw_tmp2 & CPRI_ALT_CLK_SEL) + >> CPRI_ALT_CLK_SHIFT) == 6) { + sys_info->freq_maple = + freq_c_pll[CONFIG_SYS_CPRI_CLK - 2] / 2; + sys_info->freq_cpri = + freq_c_pll[CONFIG_SYS_CPRI_CLK - 2] / 2; + } + if (((rcw_tmp2 & CPRI_ALT_CLK_SEL) + >> CPRI_ALT_CLK_SHIFT) == 7) { + sys_info->freq_maple = + freq_c_pll[CONFIG_SYS_CPRI_CLK - 2] / 3; + sys_info->freq_cpri = + freq_c_pll[CONFIG_SYS_CPRI_CLK - 2] / 3; + } + break; + case 6: + sys_info->freq_maple = freq_c_pll[CONFIG_SYS_CPRI_CLK + 1] / 2; + sys_info->freq_cpri = freq_c_pll[CONFIG_SYS_CPRI_CLK + 1] / 2; + break; + case 7: + sys_info->freq_maple = freq_c_pll[CONFIG_SYS_CPRI_CLK + 1] / 3; + sys_info->freq_cpri = freq_c_pll[CONFIG_SYS_CPRI_CLK + 1] / 3; + break; + default: + printf("Error: Unknown MAPLE/CPRI clock select!\n"); + } + + /* For MAPLE ULB and eTVPE frequencies */ +#define ULB_CLK_SEL 0x00000038 +#define ULB_CLK_SHIFT 3 +#define ETVPE_CLK_SEL 0x00000007 +#define ETVPE_CLK_SHIFT 0 + + switch ((rcw_tmp2 & ULB_CLK_SEL) >> ULB_CLK_SHIFT) { + case 1: + sys_info->freq_maple_ulb = freq_c_pll[CONFIG_SYS_ULB_CLK]; + break; + case 2: + sys_info->freq_maple_ulb = freq_c_pll[CONFIG_SYS_ULB_CLK] / 2; + break; + case 3: + sys_info->freq_maple_ulb = freq_c_pll[CONFIG_SYS_ULB_CLK] / 3; + break; + case 4: + sys_info->freq_maple_ulb = freq_c_pll[CONFIG_SYS_ULB_CLK] / 4; + break; + case 5: + sys_info->freq_maple_ulb = sys_info->freq_systembus; + break; + case 6: + sys_info->freq_maple_ulb = + freq_c_pll[CONFIG_SYS_ULB_CLK - 1] / 2; + break; + case 7: + sys_info->freq_maple_ulb = + freq_c_pll[CONFIG_SYS_ULB_CLK - 1] / 3; + break; + default: + printf("Error: Unknown MAPLE ULB clock select!\n"); + } + + switch ((rcw_tmp2 & ETVPE_CLK_SEL) >> ETVPE_CLK_SHIFT) { + case 1: + sys_info->freq_maple_etvpe = freq_c_pll[CONFIG_SYS_ETVPE_CLK]; + break; + case 2: + sys_info->freq_maple_etvpe = + freq_c_pll[CONFIG_SYS_ETVPE_CLK] / 2; + break; + case 3: + sys_info->freq_maple_etvpe = + freq_c_pll[CONFIG_SYS_ETVPE_CLK] / 3; + break; + case 4: + sys_info->freq_maple_etvpe = + freq_c_pll[CONFIG_SYS_ETVPE_CLK] / 4; + break; + case 5: + sys_info->freq_maple_etvpe = sys_info->freq_systembus; + break; + case 6: + sys_info->freq_maple_etvpe = + freq_c_pll[CONFIG_SYS_ETVPE_CLK - 1] / 2; + break; + case 7: + sys_info->freq_maple_etvpe = + freq_c_pll[CONFIG_SYS_ETVPE_CLK - 1] / 3; + break; + default: + printf("Error: Unknown MAPLE eTVPE clock select!\n"); + } + +#endif + #ifdef CONFIG_SYS_DPAA_FMAN #ifndef CONFIG_FM_PLAT_CLK_DIV switch ((rcw_tmp & FM1_CLK_SEL) >> FM1_CLK_SHIFT) { |