]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - arch/powerpc/cpu/mpc85xx/speed.c
ppc: Move brg_clk to arch_global_data
[karo-tx-uboot.git] / arch / powerpc / cpu / mpc85xx / speed.c
index a83dfeb84cf536093ed1f9a10e1ee04ec70bb1b4..8a581ef76b25592310f8e2559aa88e4ffc579137 100644 (file)
@@ -39,8 +39,13 @@ DECLARE_GLOBAL_DATA_PTR;
 void get_sys_info (sys_info_t * sysInfo)
 {
        volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+#ifdef CONFIG_FSL_IFC
+       struct fsl_ifc *ifc_regs = (void *)CONFIG_SYS_IFC_ADDR;
+       u32 ccr;
+#endif
 #ifdef CONFIG_FSL_CORENET
        volatile ccsr_clk_t *clk = (void *)(CONFIG_SYS_FSL_CORENET_CLK_ADDR);
+       unsigned int cpu;
 
        const u8 core_cplx_PLL[16] = {
                [ 0] = 0,       /* CC1 PPL / 1 */
@@ -71,16 +76,22 @@ void get_sys_info (sys_info_t * sysInfo)
                [13] = 2,       /* CC4 PPL / 2 */
                [14] = 4,       /* CC4 PPL / 4 */
        };
-       uint lcrr_div, i, freqCC_PLL[4], rcw_tmp;
-       uint ratio[4];
+       uint i, freqCC_PLL[6], rcw_tmp;
+       uint ratio[6];
        unsigned long sysclk = CONFIG_SYS_CLK_FREQ;
        uint mem_pll_rat;
 
        sysInfo->freqSystemBus = sysclk;
+#ifdef CONFIG_DDR_CLK_FREQ
+       sysInfo->freqDDRBus = CONFIG_DDR_CLK_FREQ;
+#else
        sysInfo->freqDDRBus = sysclk;
+#endif
 
        sysInfo->freqSystemBus *= (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
-       mem_pll_rat = (in_be32(&gur->rcwsr[0]) >> 17) & 0x1f;
+       mem_pll_rat = (in_be32(&gur->rcwsr[0]) >>
+                       FSL_CORENET_RCWSR0_MEM_PLL_RAT_SHIFT)
+                       & FSL_CORENET_RCWSR0_MEM_PLL_RAT_MASK;
        if (mem_pll_rat > 2)
                sysInfo->freqDDRBus *= mem_pll_rat;
        else
@@ -90,27 +101,151 @@ void get_sys_info (sys_info_t * sysInfo)
        ratio[1] = (in_be32(&clk->pllc2gsr) >> 1) & 0x3f;
        ratio[2] = (in_be32(&clk->pllc3gsr) >> 1) & 0x3f;
        ratio[3] = (in_be32(&clk->pllc4gsr) >> 1) & 0x3f;
-       for (i = 0; i < 4; i++) {
+       ratio[4] = (in_be32(&clk->pllc5gsr) >> 1) & 0x3f;
+       ratio[5] = (in_be32(&clk->pllc6gsr) >> 1) & 0x3f;
+       for (i = 0; i < 6; i++) {
                if (ratio[i] > 4)
                        freqCC_PLL[i] = sysclk * ratio[i];
                else
                        freqCC_PLL[i] = sysInfo->freqSystemBus * ratio[i];
        }
-       rcw_tmp = in_be32(&gur->rcwsr[3]);
-       for (i = 0; i < cpu_numcores(); i++) {
-               u32 c_pll_sel = (in_be32(&clk->clkc0csr + i*8) >> 27) & 0xf;
+#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
+        */
+       for_each_cpu(i, cpu, cpu_numcores(), cpu_mask()) {
+               u32 c_pll_sel = (in_be32(&clk->clkc0csr + (cpu / 4) * 8) >> 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;
 
-               sysInfo->freqProcessor[i] =
+               sysInfo->freqProcessor[cpu] =
                         freqCC_PLL[cplx_pll] / core_cplx_PLL_div[c_pll_sel];
        }
+#define PME_CLK_SEL    0xe0000000
+#define PME_CLK_SHIFT  29
+#define FM1_CLK_SEL    0x1c000000
+#define FM1_CLK_SHIFT  26
+       rcw_tmp = in_be32(&gur->rcwsr[7]);
+
+#ifdef CONFIG_SYS_DPAA_PME
+       switch ((rcw_tmp & PME_CLK_SEL) >> PME_CLK_SHIFT) {
+       case 1:
+               sysInfo->freqPME = freqCC_PLL[0];
+               break;
+       case 2:
+               sysInfo->freqPME = freqCC_PLL[0] / 2;
+               break;
+       case 3:
+               sysInfo->freqPME = freqCC_PLL[0] / 3;
+               break;
+       case 4:
+               sysInfo->freqPME = freqCC_PLL[0] / 4;
+               break;
+       case 6:
+               sysInfo->freqPME = freqCC_PLL[1] / 2;
+               break;
+       case 7:
+               sysInfo->freqPME = freqCC_PLL[1] / 3;
+               break;
+       default:
+               printf("Error: Unknown PME clock select!\n");
+       case 0:
+               sysInfo->freqPME = sysInfo->freqSystemBus / 2;
+               break;
+
+       }
+#endif
+
+#ifdef CONFIG_SYS_DPAA_QBMAN
+       sysInfo->freqQMAN = sysInfo->freqSystemBus / 2;
+#endif
+
+#ifdef CONFIG_SYS_DPAA_FMAN
+       switch ((rcw_tmp & FM1_CLK_SEL) >> FM1_CLK_SHIFT) {
+       case 1:
+               sysInfo->freqFMan[0] = freqCC_PLL[3];
+               break;
+       case 2:
+               sysInfo->freqFMan[0] = freqCC_PLL[3] / 2;
+               break;
+       case 3:
+               sysInfo->freqFMan[0] = freqCC_PLL[3] / 3;
+               break;
+       case 4:
+               sysInfo->freqFMan[0] = freqCC_PLL[3] / 4;
+               break;
+       case 6:
+               sysInfo->freqFMan[0] = freqCC_PLL[4] / 2;
+               break;
+       case 7:
+               sysInfo->freqFMan[0] = freqCC_PLL[4] / 3;
+               break;
+       default:
+               printf("Error: Unknown FMan1 clock select!\n");
+       case 0:
+               sysInfo->freqFMan[0] = sysInfo->freqSystemBus / 2;
+               break;
+       }
+#if (CONFIG_SYS_NUM_FMAN) == 2
+#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:
+               sysInfo->freqFMan[1] = freqCC_PLL[4];
+               break;
+       case 2:
+               sysInfo->freqFMan[1] = freqCC_PLL[4] / 2;
+               break;
+       case 3:
+               sysInfo->freqFMan[1] = freqCC_PLL[4] / 3;
+               break;
+       case 4:
+               sysInfo->freqFMan[1] = freqCC_PLL[4] / 4;
+               break;
+       case 6:
+               sysInfo->freqFMan[1] = freqCC_PLL[3] / 2;
+               break;
+       case 7:
+               sysInfo->freqFMan[1] = freqCC_PLL[3] / 3;
+               break;
+       default:
+               printf("Error: Unknown FMan2 clock select!\n");
+       case 0:
+               sysInfo->freqFMan[1] = sysInfo->freqSystemBus / 2;
+               break;
+       }
+#endif /* CONFIG_SYS_NUM_FMAN == 2 */
+#endif /* CONFIG_SYS_DPAA_FMAN */
+
+#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 cplx_pll = core_cplx_PLL[c_pll_sel];
+
+               sysInfo->freqProcessor[cpu] =
+                        freqCC_PLL[cplx_pll] / core_cplx_PLL_div[c_pll_sel];
+       }
 #define PME_CLK_SEL    0x80000000
 #define FM1_CLK_SEL    0x40000000
 #define FM2_CLK_SEL    0x20000000
 #define HWA_ASYNC_DIV  0x04000000
 #if (CONFIG_SYS_FSL_NUM_CC_PLLS == 2)
 #define HWA_CC_PLL     1
+#elif (CONFIG_SYS_FSL_NUM_CC_PLLS == 3)
+#define HWA_CC_PLL     2
 #elif (CONFIG_SYS_FSL_NUM_CC_PLLS == 4)
 #define HWA_CC_PLL     2
 #else
@@ -150,11 +285,10 @@ void get_sys_info (sys_info_t * sysInfo)
 #endif
 #endif
 
-#else
-       uint plat_ratio,e500_ratio,half_freqSystemBus;
-#if defined(CONFIG_FSL_LBC)
-       uint lcrr_div;
-#endif
+#endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */
+
+#else /* CONFIG_FSL_CORENET */
+       uint plat_ratio, e500_ratio, half_freqSystemBus;
        int i;
 #ifdef CONFIG_QE
        __maybe_unused u32 qe_ratio;
@@ -185,8 +319,7 @@ void get_sys_info (sys_info_t * sysInfo)
 #endif
 
 #ifdef CONFIG_QE
-#if defined(CONFIG_P1012) || defined(CONFIG_P1016) || \
-    defined(CONFIG_P1021) || defined(CONFIG_P1025)
+#if defined(CONFIG_P1012) || defined(CONFIG_P1021) || defined(CONFIG_P1025)
        sysInfo->freqQE =  sysInfo->freqSystemBus;
 #else
        qe_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_QE_RATIO)
@@ -202,6 +335,7 @@ void get_sys_info (sys_info_t * sysInfo)
 #endif /* CONFIG_FSL_CORENET */
 
 #if defined(CONFIG_FSL_LBC)
+       uint lcrr_div;
 #if defined(CONFIG_SYS_LBC_LCRR)
        /* We will program LCRR to this value later */
        lcrr_div = CONFIG_SYS_LBC_LCRR & LCRR_CLKDIV;
@@ -228,6 +362,13 @@ void get_sys_info (sys_info_t * sysInfo)
                sysInfo->freqLocalBus = lcrr_div;
        }
 #endif
+
+#if defined(CONFIG_FSL_IFC)
+       ccr = in_be32(&ifc_regs->ifc_ccr);
+       ccr = ((ccr & IFC_CCR_CLK_DIV_MASK) >> IFC_CCR_CLK_DIV_SHIFT) + 1;
+
+       sysInfo->freqLocalBus = sysInfo->freqSystemBus / ccr;
+#endif
 }
 
 
@@ -254,7 +395,7 @@ int get_clocks (void)
 
 #ifdef CONFIG_QE
        gd->qe_clk = sys_info.freqQE;
-       gd->brg_clk = gd->qe_clk / 2;
+       gd->arch.brg_clk = gd->qe_clk / 2;
 #endif
        /*
         * The base clock for I2C depends on the actual SOC.  Unfortunately,
@@ -297,7 +438,7 @@ int get_clocks (void)
        gd->vco_out = 2*sys_info.freqSystemBus;
        gd->cpm_clk = gd->vco_out / 2;
        gd->scc_clk = gd->vco_out / 4;
-       gd->brg_clk = gd->vco_out / (1 << (2 * (dfbrg + 1)));
+       gd->arch.brg_clk = gd->vco_out / (1 << (2 * (dfbrg + 1)));
 #endif
 
        if(gd->cpu_clk != 0) return (0);