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author | Prabhakar Kushwaha <prabhakar@freescale.com> | 2013-09-03 11:20:15 +0530 |
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committer | York Sun <yorksun@freescale.com> | 2013-10-16 16:13:11 -0700 |
commit | ce746fe03eb42b97a1510fe0243662f0ae56eecd (patch) | |
tree | 7dcd6e83eba11aa2e450f640f66deea2ee21213b /arch/powerpc/cpu/mpc85xx | |
parent | 1d384eca61b4bb799537515078cfc541d51bbc64 (diff) | |
download | u-boot-imx-ce746fe03eb42b97a1510fe0243662f0ae56eecd.zip u-boot-imx-ce746fe03eb42b97a1510fe0243662f0ae56eecd.tar.gz u-boot-imx-ce746fe03eb42b97a1510fe0243662f0ae56eecd.tar.bz2 |
powerpc/mpc85xx:Avoid fix clk groups for Cluster & HW accelerator
CHASSIS2 architecture never fix clock groups for Cluster and hardware
accelerator like PME, FMA. These are SoC defined. SoC defines :-
- NUM of PLLs present in the system
- Clusters and their Clock group
- hardware accelerator and their clock group
if no clock group, then platform clock divider for FMAN, PME
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx')
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/speed.c | 114 |
1 files changed, 68 insertions, 46 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c index 4b8d928..d08a8d2 100644 --- a/arch/powerpc/cpu/mpc85xx/speed.c +++ b/arch/powerpc/cpu/mpc85xx/speed.c @@ -18,6 +18,10 @@ DECLARE_GLOBAL_DATA_PTR; + +#ifndef CONFIG_SYS_FSL_NUM_CC_PLLS +#define CONFIG_SYS_FSL_NUM_CC_PLLS 6 +#endif /* --------------------------------------------------------------- */ void get_sys_info(sys_info_t *sys_info) @@ -30,6 +34,9 @@ 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_SYS_FSL_QORIQ_CHASSIS2 + int cc_group[12] = CONFIG_SYS_FSL_CLUSTER_CLOCKS; +#endif const u8 core_cplx_PLL[16] = { [ 0] = 0, /* CC1 PPL / 1 */ @@ -60,8 +67,11 @@ void get_sys_info(sys_info_t *sys_info) [13] = 2, /* CC4 PPL / 2 */ [14] = 4, /* CC4 PPL / 4 */ }; - uint i, freq_cc_pll[6], rcw_tmp; - uint ratio[6]; + uint i, freq_c_pll[CONFIG_SYS_FSL_NUM_CC_PLLS]; +#if !defined(CONFIG_FM_PLAT_CLK_DIV) || !defined(CONFIG_PME_PLAT_CLK_DIV) + uint rcw_tmp; +#endif + uint ratio[CONFIG_SYS_FSL_NUM_CC_PLLS]; unsigned long sysclk = CONFIG_SYS_CLK_FREQ; uint mem_pll_rat; @@ -81,37 +91,36 @@ void get_sys_info(sys_info_t *sys_info) else sys_info->freq_ddrbus = sys_info->freq_systembus * mem_pll_rat; - ratio[0] = (in_be32(&clk->pllc1gsr) >> 1) & 0x3f; - ratio[1] = (in_be32(&clk->pllc2gsr) >> 1) & 0x3f; - ratio[2] = (in_be32(&clk->pllc3gsr) >> 1) & 0x3f; - ratio[3] = (in_be32(&clk->pllc4gsr) >> 1) & 0x3f; - ratio[4] = (in_be32(&clk->pllc5gsr) >> 1) & 0x3f; - ratio[5] = (in_be32(&clk->pllc6gsr) >> 1) & 0x3f; - for (i = 0; i < 6; i++) { + for (i = 0; i < CONFIG_SYS_FSL_NUM_CC_PLLS; i++) { + ratio[i] = (in_be32(&clk->pllcgsr[i].pllcngsr) >> 1) & 0x3f; if (ratio[i] > 4) - freq_cc_pll[i] = sysclk * ratio[i]; + freq_c_pll[i] = sysclk * ratio[i]; else - freq_cc_pll[i] = sys_info->freq_systembus * ratio[i]; + 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 * Each cluster has up to 4 cores, sharing the same PLL selection. - * 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. + * The cluster clock assignment is SoC defined. + * + * Total 4 clock groups are possible with 3 PLLs each. + * as per array indices, clock group A has 0, 1, 2 numbered PLLs & + * clock group B has 3, 4, 6 and so on. + * + * Clock group A having PLL1, PLL2, PLL3, feeding cores of any cluster + * depends upon the SoC architeture. Same applies to other + * clock groups and clusters. + * */ for_each_cpu(i, cpu, cpu_numcores(), cpu_mask()) { 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 += (cluster / 2) * 3; + cplx_pll += cc_group[cluster] - 1; sys_info->freq_processor[cpu] = - freq_cc_pll[cplx_pll] / core_cplx_pll_div[c_pll_sel]; + freq_c_pll[cplx_pll] / core_cplx_pll_div[c_pll_sel]; } #ifdef CONFIG_PPC_B4860 #define FM1_CLK_SEL 0xe0000000 @@ -122,27 +131,30 @@ void get_sys_info(sys_info_t *sys_info) #define FM1_CLK_SEL 0x1c000000 #define FM1_CLK_SHIFT 26 #endif +#if !defined(CONFIG_FM_PLAT_CLK_DIV) || !defined(CONFIG_PME_PLAT_CLK_DIV) rcw_tmp = in_be32(&gur->rcwsr[7]); +#endif #ifdef CONFIG_SYS_DPAA_PME +#ifndef CONFIG_PME_PLAT_CLK_DIV switch ((rcw_tmp & PME_CLK_SEL) >> PME_CLK_SHIFT) { case 1: - sys_info->freq_pme = freq_cc_pll[0]; + sys_info->freq_pme = freq_c_pll[CONFIG_SYS_PME_CLK]; break; case 2: - sys_info->freq_pme = freq_cc_pll[0] / 2; + sys_info->freq_pme = freq_c_pll[CONFIG_SYS_PME_CLK] / 2; break; case 3: - sys_info->freq_pme = freq_cc_pll[0] / 3; + sys_info->freq_pme = freq_c_pll[CONFIG_SYS_PME_CLK] / 3; break; case 4: - sys_info->freq_pme = freq_cc_pll[0] / 4; + sys_info->freq_pme = freq_c_pll[CONFIG_SYS_PME_CLK] / 4; break; case 6: - sys_info->freq_pme = freq_cc_pll[1] / 2; + sys_info->freq_pme = freq_c_pll[CONFIG_SYS_PME_CLK + 1] / 2; break; case 7: - sys_info->freq_pme = freq_cc_pll[1] / 3; + sys_info->freq_pme = freq_c_pll[CONFIG_SYS_PME_CLK + 1] / 3; break; default: printf("Error: Unknown PME clock select!\n"); @@ -151,6 +163,10 @@ void get_sys_info(sys_info_t *sys_info) break; } +#else + sys_info->freq_pme = sys_info->freq_systembus / CONFIG_SYS_PME_CLK; + +#endif #endif #ifdef CONFIG_SYS_DPAA_QBMAN @@ -158,27 +174,28 @@ void get_sys_info(sys_info_t *sys_info) #endif #ifdef CONFIG_SYS_DPAA_FMAN +#ifndef CONFIG_FM_PLAT_CLK_DIV switch ((rcw_tmp & FM1_CLK_SEL) >> FM1_CLK_SHIFT) { case 1: - sys_info->freq_fman[0] = freq_cc_pll[3]; + sys_info->freq_fman[0] = freq_c_pll[CONFIG_SYS_FM1_CLK]; break; case 2: - sys_info->freq_fman[0] = freq_cc_pll[3] / 2; + sys_info->freq_fman[0] = freq_c_pll[CONFIG_SYS_FM1_CLK] / 2; break; case 3: - sys_info->freq_fman[0] = freq_cc_pll[3] / 3; + sys_info->freq_fman[0] = freq_c_pll[CONFIG_SYS_FM1_CLK] / 3; break; case 4: - sys_info->freq_fman[0] = freq_cc_pll[3] / 4; + sys_info->freq_fman[0] = freq_c_pll[CONFIG_SYS_FM1_CLK] / 4; break; case 5: sys_info->freq_fman[0] = sys_info->freq_systembus; break; case 6: - sys_info->freq_fman[0] = freq_cc_pll[4] / 2; + sys_info->freq_fman[0] = freq_c_pll[CONFIG_SYS_FM1_CLK + 1] / 2; break; case 7: - sys_info->freq_fman[0] = freq_cc_pll[4] / 3; + sys_info->freq_fman[0] = freq_c_pll[CONFIG_SYS_FM1_CLK + 1] / 3; break; default: printf("Error: Unknown FMan1 clock select!\n"); @@ -187,27 +204,28 @@ void get_sys_info(sys_info_t *sys_info) break; } #if (CONFIG_SYS_NUM_FMAN) == 2 +#ifdef CONFIG_SYS_FM2_CLK #define FM2_CLK_SEL 0x00000038 #define FM2_CLK_SHIFT 3 rcw_tmp = in_be32(&gur->rcwsr[15]); switch ((rcw_tmp & FM2_CLK_SEL) >> FM2_CLK_SHIFT) { case 1: - sys_info->freq_fman[1] = freq_cc_pll[4]; + sys_info->freq_fman[1] = freq_c_pll[CONFIG_SYS_FM2_CLK + 1]; break; case 2: - sys_info->freq_fman[1] = freq_cc_pll[4] / 2; + sys_info->freq_fman[1] = freq_c_pll[CONFIG_SYS_FM2_CLK + 1] / 2; break; case 3: - sys_info->freq_fman[1] = freq_cc_pll[4] / 3; + sys_info->freq_fman[1] = freq_c_pll[CONFIG_SYS_FM2_CLK + 1] / 3; break; case 4: - sys_info->freq_fman[1] = freq_cc_pll[4] / 4; + sys_info->freq_fman[1] = freq_c_pll[CONFIG_SYS_FM2_CLK + 1] / 4; break; case 6: - sys_info->freq_fman[1] = freq_cc_pll[3] / 2; + sys_info->freq_fman[1] = freq_c_pll[CONFIG_SYS_FM2_CLK] / 2; break; case 7: - sys_info->freq_fman[1] = freq_cc_pll[3] / 3; + sys_info->freq_fman[1] = freq_c_pll[CONFIG_SYS_FM2_CLK] / 3; break; default: printf("Error: Unknown FMan2 clock select!\n"); @@ -215,8 +233,12 @@ void get_sys_info(sys_info_t *sys_info) sys_info->freq_fman[1] = sys_info->freq_systembus / 2; break; } +#endif #endif /* CONFIG_SYS_NUM_FMAN == 2 */ -#endif /* CONFIG_SYS_DPAA_FMAN */ +#else + sys_info->freq_fman[0] = sys_info->freq_systembus / CONFIG_SYS_FM1_CLK; +#endif +#endif #else /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */ @@ -226,7 +248,7 @@ void get_sys_info(sys_info_t *sys_info) u32 cplx_pll = core_cplx_PLL[c_pll_sel]; sys_info->freq_processor[cpu] = - freq_cc_pll[cplx_pll] / core_cplx_pll_div[c_pll_sel]; + freq_c_pll[cplx_pll] / core_cplx_pll_div[c_pll_sel]; } #define PME_CLK_SEL 0x80000000 #define FM1_CLK_SEL 0x40000000 @@ -246,9 +268,9 @@ void get_sys_info(sys_info_t *sys_info) #ifdef CONFIG_SYS_DPAA_PME if (rcw_tmp & PME_CLK_SEL) { if (rcw_tmp & HWA_ASYNC_DIV) - sys_info->freq_pme = freq_cc_pll[HWA_CC_PLL] / 4; + sys_info->freq_pme = freq_c_pll[HWA_CC_PLL] / 4; else - sys_info->freq_pme = freq_cc_pll[HWA_CC_PLL] / 2; + sys_info->freq_pme = freq_c_pll[HWA_CC_PLL] / 2; } else { sys_info->freq_pme = sys_info->freq_systembus / 2; } @@ -257,18 +279,18 @@ void get_sys_info(sys_info_t *sys_info) #ifdef CONFIG_SYS_DPAA_FMAN if (rcw_tmp & FM1_CLK_SEL) { if (rcw_tmp & HWA_ASYNC_DIV) - sys_info->freq_fman[0] = freq_cc_pll[HWA_CC_PLL] / 4; + sys_info->freq_fman[0] = freq_c_pll[HWA_CC_PLL] / 4; else - sys_info->freq_fman[0] = freq_cc_pll[HWA_CC_PLL] / 2; + sys_info->freq_fman[0] = freq_c_pll[HWA_CC_PLL] / 2; } else { sys_info->freq_fman[0] = sys_info->freq_systembus / 2; } #if (CONFIG_SYS_NUM_FMAN) == 2 if (rcw_tmp & FM2_CLK_SEL) { if (rcw_tmp & HWA_ASYNC_DIV) - sys_info->freq_fman[1] = freq_cc_pll[HWA_CC_PLL] / 4; + sys_info->freq_fman[1] = freq_c_pll[HWA_CC_PLL] / 4; else - sys_info->freq_fman[1] = freq_cc_pll[HWA_CC_PLL] / 2; + sys_info->freq_fman[1] = freq_c_pll[HWA_CC_PLL] / 2; } else { sys_info->freq_fman[1] = sys_info->freq_systembus / 2; } |