Merge branch 'master' of git://git.denx.de/u-boot-nds32
[platform/kernel/u-boot.git] / arch / powerpc / cpu / mpc85xx / speed.c
index 8132115..f093960 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright 2004, 2007-2010 Freescale Semiconductor, Inc.
+ * Copyright 2004, 2007-2011 Freescale Semiconductor, Inc.
  *
  * (C) Copyright 2003 Motorola Inc.
  * Xianghua Xiao, (X.Xiao@motorola.com)
@@ -7,27 +7,12 @@
  * (C) Copyright 2000
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
 #include <ppc_asm.tmpl>
+#include <linux/compiler.h>
 #include <asm/processor.h>
 #include <asm/io.h>
 
@@ -38,8 +23,13 @@ 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 */
@@ -70,16 +60,22 @@ 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
@@ -89,52 +85,207 @@ 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. 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()) {
+               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];
-
-               sysInfo->freqProcessor[i] =
+               if (cplx_pll > 3)
+                       printf("Unsupported architecture configuration"
+                               " in function %s\n", __func__);
+               cplx_pll += (cluster / 2) * 3;
+               sysInfo->freqProcessor[cpu] =
                         freqCC_PLL[cplx_pll] / core_cplx_PLL_div[c_pll_sel];
        }
+#ifdef CONFIG_PPC_B4860
+#define FM1_CLK_SEL    0xe0000000
+#define FM1_CLK_SHIFT  29
+#else
+#define PME_CLK_SEL    0xe0000000
+#define PME_CLK_SHIFT  29
+#define FM1_CLK_SEL    0x1c000000
+#define FM1_CLK_SHIFT  26
+#endif
+       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 5:
+               sysInfo->freqFMan[0] = sysInfo->freqSystemBus;
+               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->clkcsr[cpu].clkcncsr) >> 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
+#error CONFIG_SYS_FSL_NUM_CC_PLLS not set or unknown case
+#endif
        rcw_tmp = in_be32(&gur->rcwsr[7]);
 
 #ifdef CONFIG_SYS_DPAA_PME
-       if (rcw_tmp & PME_CLK_SEL)
-               sysInfo->freqPME = freqCC_PLL[2] / 2;
-       else
+       if (rcw_tmp & PME_CLK_SEL) {
+               if (rcw_tmp & HWA_ASYNC_DIV)
+                       sysInfo->freqPME = freqCC_PLL[HWA_CC_PLL] / 4;
+               else
+                       sysInfo->freqPME = freqCC_PLL[HWA_CC_PLL] / 2;
+       } else {
                sysInfo->freqPME = sysInfo->freqSystemBus / 2;
+       }
 #endif
 
 #ifdef CONFIG_SYS_DPAA_FMAN
-       if (rcw_tmp & FM1_CLK_SEL)
-               sysInfo->freqFMan[0] = freqCC_PLL[2] / 2;
-       else
+       if (rcw_tmp & FM1_CLK_SEL) {
+               if (rcw_tmp & HWA_ASYNC_DIV)
+                       sysInfo->freqFMan[0] = freqCC_PLL[HWA_CC_PLL] / 4;
+               else
+                       sysInfo->freqFMan[0] = freqCC_PLL[HWA_CC_PLL] / 2;
+       } else {
                sysInfo->freqFMan[0] = sysInfo->freqSystemBus / 2;
+       }
 #if (CONFIG_SYS_NUM_FMAN) == 2
-       if (rcw_tmp & FM2_CLK_SEL)
-               sysInfo->freqFMan[1] = freqCC_PLL[2] / 2;
-       else
+       if (rcw_tmp & FM2_CLK_SEL) {
+               if (rcw_tmp & HWA_ASYNC_DIV)
+                       sysInfo->freqFMan[1] = freqCC_PLL[HWA_CC_PLL] / 4;
+               else
+                       sysInfo->freqFMan[1] = freqCC_PLL[HWA_CC_PLL] / 2;
+       } else {
                sysInfo->freqFMan[1] = sysInfo->freqSystemBus / 2;
+       }
 #endif
 #endif
 
-#else
-       uint plat_ratio,e500_ratio,half_freqSystemBus;
-       uint lcrr_div;
+#ifdef CONFIG_SYS_DPAA_QBMAN
+       sysInfo->freqQMAN = sysInfo->freqSystemBus / 2;
+#endif
+
+#endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */
+
+#else /* CONFIG_FSL_CORENET */
+       uint plat_ratio, e500_ratio, half_freqSystemBus;
        int i;
 #ifdef CONFIG_QE
-       u32 qe_ratio;
+       __maybe_unused u32 qe_ratio;
 #endif
 
        plat_ratio = (gur->porpllsr) & 0x0000003e;
@@ -160,22 +311,30 @@ void get_sys_info (sys_info_t * sysInfo)
                        sysInfo->freqDDRBus = ddr_ratio * CONFIG_DDR_CLK_FREQ;
        }
 #endif
-#endif
 
 #ifdef CONFIG_QE
+#if defined(CONFIG_P1012) || defined(CONFIG_P1021) || defined(CONFIG_P1025)
+       sysInfo->freqQE =  sysInfo->freqSystemBus;
+#else
        qe_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_QE_RATIO)
                        >> MPC85xx_PORPLLSR_QE_RATIO_SHIFT;
        sysInfo->freqQE = qe_ratio * CONFIG_SYS_CLK_FREQ;
 #endif
+#endif
+
+#ifdef CONFIG_SYS_DPAA_FMAN
+               sysInfo->freqFMan[0] = sysInfo->freqSystemBus;
+#endif
 
+#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;
 #else
-       {
-           volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
-           lcrr_div = in_be32(&lbc->lcrr) & LCRR_CLKDIV;
-       }
+       lcrr_div = in_be32(&(LBC_BASE_ADDR)->lcrr) & LCRR_CLKDIV;
 #endif
        if (lcrr_div == 2 || lcrr_div == 4 || lcrr_div == 8) {
 #if defined(CONFIG_FSL_CORENET)
@@ -196,6 +355,14 @@ void get_sys_info (sys_info_t * sysInfo)
                /* In case anyone cares what the unknown value is */
                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
 }
 
 
@@ -218,11 +385,11 @@ int get_clocks (void)
        gd->cpu_clk = sys_info.freqProcessor[0];
        gd->bus_clk = sys_info.freqSystemBus;
        gd->mem_clk = sys_info.freqDDRBus;
-       gd->lbc_clk = sys_info.freqLocalBus;
+       gd->arch.lbc_clk = sys_info.freqLocalBus;
 
 #ifdef CONFIG_QE
-       gd->qe_clk = sys_info.freqQE;
-       gd->brg_clk = gd->qe_clk / 2;
+       gd->arch.qe_clk = sys_info.freqQE;
+       gd->arch.brg_clk = gd->arch.qe_clk / 2;
 #endif
        /*
         * The base clock for I2C depends on the actual SOC.  Unfortunately,
@@ -233,7 +400,7 @@ int get_clocks (void)
         */
 #if defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \
        defined(CONFIG_MPC8560) || defined(CONFIG_MPC8555)
-       gd->i2c1_clk = sys_info.freqSystemBus;
+       gd->arch.i2c1_clk = sys_info.freqSystemBus;
 #elif defined(CONFIG_MPC8544)
        /*
         * On the 8544, the I2C clock is the same as the SEC clock.  This can be
@@ -243,28 +410,29 @@ int get_clocks (void)
         * PORDEVSR2_SEC_CFG bit is 0 on all 85xx boards that are not an 8544.
         */
        if (gur->pordevsr2 & MPC85xx_PORDEVSR2_SEC_CFG)
-               gd->i2c1_clk = sys_info.freqSystemBus / 3;
+               gd->arch.i2c1_clk = sys_info.freqSystemBus / 3;
        else
-               gd->i2c1_clk = sys_info.freqSystemBus / 2;
+               gd->arch.i2c1_clk = sys_info.freqSystemBus / 2;
 #else
        /* Most 85xx SOCs use CCB/2, so this is the default behavior. */
-       gd->i2c1_clk = sys_info.freqSystemBus / 2;
+       gd->arch.i2c1_clk = sys_info.freqSystemBus / 2;
 #endif
-       gd->i2c2_clk = gd->i2c1_clk;
+       gd->arch.i2c2_clk = gd->arch.i2c1_clk;
 
 #if defined(CONFIG_FSL_ESDHC)
-#ifdef CONFIG_MPC8569
-       gd->sdhc_clk = gd->bus_clk;
+#if defined(CONFIG_MPC8569) || defined(CONFIG_P1010) ||\
+       defined(CONFIG_P1014)
+       gd->arch.sdhc_clk = gd->bus_clk;
 #else
-       gd->sdhc_clk = gd->bus_clk / 2;
+       gd->arch.sdhc_clk = gd->bus_clk / 2;
 #endif
 #endif /* defined(CONFIG_FSL_ESDHC) */
 
 #if defined(CONFIG_CPM2)
-       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.vco_out = 2*sys_info.freqSystemBus;
+       gd->arch.cpm_clk = gd->arch.vco_out / 2;
+       gd->arch.scc_clk = gd->arch.vco_out / 4;
+       gd->arch.brg_clk = gd->arch.vco_out / (1 << (2 * (dfbrg + 1)));
 #endif
 
        if(gd->cpu_clk != 0) return (0);