]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - arch/powerpc/cpu/mpc85xx/speed.c
Merge 'u-boot-microblaze/zynq' into (u-boot-arm/master'
[karo-tx-uboot.git] / arch / powerpc / cpu / mpc85xx / speed.c
index a4d6e9cc73849fe97f73394d8844f2d0a56fd676..07690f97b16a9ca9e2095233b65f60c4c23ff364 100644 (file)
@@ -7,23 +7,7 @@
  * (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>
@@ -36,7 +20,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 /* --------------------------------------------------------------- */
 
-void get_sys_info (sys_info_t * sysInfo)
+void get_sys_info(sys_info_t *sys_info)
 {
        volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 #ifdef CONFIG_FSL_IFC
@@ -62,7 +46,7 @@ void get_sys_info (sys_info_t * sysInfo)
                [14] = 3,       /* CC4 PPL / 4 */
        };
 
-       const u8 core_cplx_PLL_div[16] = {
+       const u8 core_cplx_pll_div[16] = {
                [ 0] = 1,       /* CC1 PPL / 1 */
                [ 1] = 2,       /* CC1 PPL / 2 */
                [ 2] = 4,       /* CC1 PPL / 4 */
@@ -76,26 +60,26 @@ void get_sys_info (sys_info_t * sysInfo)
                [13] = 2,       /* CC4 PPL / 2 */
                [14] = 4,       /* CC4 PPL / 4 */
        };
-       uint i, freqCC_PLL[6], rcw_tmp;
+       uint i, freq_cc_pll[6], rcw_tmp;
        uint ratio[6];
        unsigned long sysclk = CONFIG_SYS_CLK_FREQ;
        uint mem_pll_rat;
 
-       sysInfo->freqSystemBus = sysclk;
+       sys_info->freq_systembus = sysclk;
 #ifdef CONFIG_DDR_CLK_FREQ
-       sysInfo->freqDDRBus = CONFIG_DDR_CLK_FREQ;
+       sys_info->freq_ddrbus = CONFIG_DDR_CLK_FREQ;
 #else
-       sysInfo->freqDDRBus = sysclk;
+       sys_info->freq_ddrbus = sysclk;
 #endif
 
-       sysInfo->freqSystemBus *= (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
+       sys_info->freq_systembus *= (in_be32(&gur->rcwsr[0]) >> 25) & 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;
+               sys_info->freq_ddrbus *= mem_pll_rat;
        else
-               sysInfo->freqDDRBus = sysInfo->freqSystemBus * mem_pll_rat;
+               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;
@@ -105,9 +89,9 @@ void get_sys_info (sys_info_t * sysInfo)
        ratio[5] = (in_be32(&clk->pllc6gsr) >> 1) & 0x3f;
        for (i = 0; i < 6; i++) {
                if (ratio[i] > 4)
-                       freqCC_PLL[i] = sysclk * ratio[i];
+                       freq_cc_pll[i] = sysclk * ratio[i];
                else
-                       freqCC_PLL[i] = sysInfo->freqSystemBus * ratio[i];
+                       freq_cc_pll[i] = sys_info->freq_systembus * ratio[i];
        }
 #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
        /*
@@ -126,8 +110,8 @@ void get_sys_info (sys_info_t * sysInfo)
                        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];
+               sys_info->freq_processor[cpu] =
+                        freq_cc_pll[cplx_pll] / core_cplx_pll_div[c_pll_sel];
        }
 #ifdef CONFIG_PPC_B4860
 #define FM1_CLK_SEL    0xe0000000
@@ -143,63 +127,63 @@ void get_sys_info (sys_info_t * sysInfo)
 #ifdef CONFIG_SYS_DPAA_PME
        switch ((rcw_tmp & PME_CLK_SEL) >> PME_CLK_SHIFT) {
        case 1:
-               sysInfo->freqPME = freqCC_PLL[0];
+               sys_info->freq_pme = freq_cc_pll[0];
                break;
        case 2:
-               sysInfo->freqPME = freqCC_PLL[0] / 2;
+               sys_info->freq_pme = freq_cc_pll[0] / 2;
                break;
        case 3:
-               sysInfo->freqPME = freqCC_PLL[0] / 3;
+               sys_info->freq_pme = freq_cc_pll[0] / 3;
                break;
        case 4:
-               sysInfo->freqPME = freqCC_PLL[0] / 4;
+               sys_info->freq_pme = freq_cc_pll[0] / 4;
                break;
        case 6:
-               sysInfo->freqPME = freqCC_PLL[1] / 2;
+               sys_info->freq_pme = freq_cc_pll[1] / 2;
                break;
        case 7:
-               sysInfo->freqPME = freqCC_PLL[1] / 3;
+               sys_info->freq_pme = freq_cc_pll[1] / 3;
                break;
        default:
                printf("Error: Unknown PME clock select!\n");
        case 0:
-               sysInfo->freqPME = sysInfo->freqSystemBus / 2;
+               sys_info->freq_pme = sys_info->freq_systembus / 2;
                break;
 
        }
 #endif
 
 #ifdef CONFIG_SYS_DPAA_QBMAN
-       sysInfo->freqQMAN = sysInfo->freqSystemBus / 2;
+       sys_info->freq_qman = sys_info->freq_systembus / 2;
 #endif
 
 #ifdef CONFIG_SYS_DPAA_FMAN
        switch ((rcw_tmp & FM1_CLK_SEL) >> FM1_CLK_SHIFT) {
        case 1:
-               sysInfo->freqFMan[0] = freqCC_PLL[3];
+               sys_info->freq_fman[0] = freq_cc_pll[3];
                break;
        case 2:
-               sysInfo->freqFMan[0] = freqCC_PLL[3] / 2;
+               sys_info->freq_fman[0] = freq_cc_pll[3] / 2;
                break;
        case 3:
-               sysInfo->freqFMan[0] = freqCC_PLL[3] / 3;
+               sys_info->freq_fman[0] = freq_cc_pll[3] / 3;
                break;
        case 4:
-               sysInfo->freqFMan[0] = freqCC_PLL[3] / 4;
+               sys_info->freq_fman[0] = freq_cc_pll[3] / 4;
                break;
        case 5:
-               sysInfo->freqFMan[0] = sysInfo->freqSystemBus;
+               sys_info->freq_fman[0] = sys_info->freq_systembus;
                break;
        case 6:
-               sysInfo->freqFMan[0] = freqCC_PLL[4] / 2;
+               sys_info->freq_fman[0] = freq_cc_pll[4] / 2;
                break;
        case 7:
-               sysInfo->freqFMan[0] = freqCC_PLL[4] / 3;
+               sys_info->freq_fman[0] = freq_cc_pll[4] / 3;
                break;
        default:
                printf("Error: Unknown FMan1 clock select!\n");
        case 0:
-               sysInfo->freqFMan[0] = sysInfo->freqSystemBus / 2;
+               sys_info->freq_fman[0] = sys_info->freq_systembus / 2;
                break;
        }
 #if (CONFIG_SYS_NUM_FMAN) == 2
@@ -208,27 +192,27 @@ void get_sys_info (sys_info_t * sysInfo)
        rcw_tmp = in_be32(&gur->rcwsr[15]);
        switch ((rcw_tmp & FM2_CLK_SEL) >> FM2_CLK_SHIFT) {
        case 1:
-               sysInfo->freqFMan[1] = freqCC_PLL[4];
+               sys_info->freq_fman[1] = freq_cc_pll[4];
                break;
        case 2:
-               sysInfo->freqFMan[1] = freqCC_PLL[4] / 2;
+               sys_info->freq_fman[1] = freq_cc_pll[4] / 2;
                break;
        case 3:
-               sysInfo->freqFMan[1] = freqCC_PLL[4] / 3;
+               sys_info->freq_fman[1] = freq_cc_pll[4] / 3;
                break;
        case 4:
-               sysInfo->freqFMan[1] = freqCC_PLL[4] / 4;
+               sys_info->freq_fman[1] = freq_cc_pll[4] / 4;
                break;
        case 6:
-               sysInfo->freqFMan[1] = freqCC_PLL[3] / 2;
+               sys_info->freq_fman[1] = freq_cc_pll[3] / 2;
                break;
        case 7:
-               sysInfo->freqFMan[1] = freqCC_PLL[3] / 3;
+               sys_info->freq_fman[1] = freq_cc_pll[3] / 3;
                break;
        default:
                printf("Error: Unknown FMan2 clock select!\n");
        case 0:
-               sysInfo->freqFMan[1] = sysInfo->freqSystemBus / 2;
+               sys_info->freq_fman[1] = sys_info->freq_systembus / 2;
                break;
        }
 #endif /* CONFIG_SYS_NUM_FMAN == 2 */
@@ -241,8 +225,8 @@ void get_sys_info (sys_info_t * sysInfo)
                                & 0xf;
                u32 cplx_pll = core_cplx_PLL[c_pll_sel];
 
-               sysInfo->freqProcessor[cpu] =
-                        freqCC_PLL[cplx_pll] / core_cplx_PLL_div[c_pll_sel];
+               sys_info->freq_processor[cpu] =
+                        freq_cc_pll[cplx_pll] / core_cplx_pll_div[c_pll_sel];
        }
 #define PME_CLK_SEL    0x80000000
 #define FM1_CLK_SEL    0x40000000
@@ -262,43 +246,43 @@ void get_sys_info (sys_info_t * sysInfo)
 #ifdef CONFIG_SYS_DPAA_PME
        if (rcw_tmp & PME_CLK_SEL) {
                if (rcw_tmp & HWA_ASYNC_DIV)
-                       sysInfo->freqPME = freqCC_PLL[HWA_CC_PLL] / 4;
+                       sys_info->freq_pme = freq_cc_pll[HWA_CC_PLL] / 4;
                else
-                       sysInfo->freqPME = freqCC_PLL[HWA_CC_PLL] / 2;
+                       sys_info->freq_pme = freq_cc_pll[HWA_CC_PLL] / 2;
        } else {
-               sysInfo->freqPME = sysInfo->freqSystemBus / 2;
+               sys_info->freq_pme = sys_info->freq_systembus / 2;
        }
 #endif
 
 #ifdef CONFIG_SYS_DPAA_FMAN
        if (rcw_tmp & FM1_CLK_SEL) {
                if (rcw_tmp & HWA_ASYNC_DIV)
-                       sysInfo->freqFMan[0] = freqCC_PLL[HWA_CC_PLL] / 4;
+                       sys_info->freq_fman[0] = freq_cc_pll[HWA_CC_PLL] / 4;
                else
-                       sysInfo->freqFMan[0] = freqCC_PLL[HWA_CC_PLL] / 2;
+                       sys_info->freq_fman[0] = freq_cc_pll[HWA_CC_PLL] / 2;
        } else {
-               sysInfo->freqFMan[0] = sysInfo->freqSystemBus / 2;
+               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)
-                       sysInfo->freqFMan[1] = freqCC_PLL[HWA_CC_PLL] / 4;
+                       sys_info->freq_fman[1] = freq_cc_pll[HWA_CC_PLL] / 4;
                else
-                       sysInfo->freqFMan[1] = freqCC_PLL[HWA_CC_PLL] / 2;
+                       sys_info->freq_fman[1] = freq_cc_pll[HWA_CC_PLL] / 2;
        } else {
-               sysInfo->freqFMan[1] = sysInfo->freqSystemBus / 2;
+               sys_info->freq_fman[1] = sys_info->freq_systembus / 2;
        }
 #endif
 #endif
 
 #ifdef CONFIG_SYS_DPAA_QBMAN
-       sysInfo->freqQMAN = sysInfo->freqSystemBus / 2;
+       sys_info->freq_qman = sys_info->freq_systembus / 2;
 #endif
 
 #endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */
 
 #else /* CONFIG_FSL_CORENET */
-       uint plat_ratio, e500_ratio, half_freqSystemBus;
+       uint plat_ratio, e500_ratio, half_freq_systembus;
        int i;
 #ifdef CONFIG_QE
        __maybe_unused u32 qe_ratio;
@@ -306,40 +290,40 @@ void get_sys_info (sys_info_t * sysInfo)
 
        plat_ratio = (gur->porpllsr) & 0x0000003e;
        plat_ratio >>= 1;
-       sysInfo->freqSystemBus = plat_ratio * CONFIG_SYS_CLK_FREQ;
+       sys_info->freq_systembus = plat_ratio * CONFIG_SYS_CLK_FREQ;
 
        /* Divide before multiply to avoid integer
         * overflow for processor speeds above 2GHz */
-       half_freqSystemBus = sysInfo->freqSystemBus/2;
+       half_freq_systembus = sys_info->freq_systembus/2;
        for (i = 0; i < cpu_numcores(); i++) {
                e500_ratio = ((gur->porpllsr) >> (i * 8 + 16)) & 0x3f;
-               sysInfo->freqProcessor[i] = e500_ratio * half_freqSystemBus;
+               sys_info->freq_processor[i] = e500_ratio * half_freq_systembus;
        }
 
-       /* Note: freqDDRBus is the MCLK frequency, not the data rate. */
-       sysInfo->freqDDRBus = sysInfo->freqSystemBus;
+       /* Note: freq_ddrbus is the MCLK frequency, not the data rate. */
+       sys_info->freq_ddrbus = sys_info->freq_systembus;
 
 #ifdef CONFIG_DDR_CLK_FREQ
        {
                u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO)
                        >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
                if (ddr_ratio != 0x7)
-                       sysInfo->freqDDRBus = ddr_ratio * CONFIG_DDR_CLK_FREQ;
+                       sys_info->freq_ddrbus = ddr_ratio * CONFIG_DDR_CLK_FREQ;
        }
 #endif
 
 #ifdef CONFIG_QE
 #if defined(CONFIG_P1012) || defined(CONFIG_P1021) || defined(CONFIG_P1025)
-       sysInfo->freqQE =  sysInfo->freqSystemBus;
+       sys_info->freq_qe =  sys_info->freq_systembus;
 #else
        qe_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_QE_RATIO)
                        >> MPC85xx_PORPLLSR_QE_RATIO_SHIFT;
-       sysInfo->freqQE = qe_ratio * CONFIG_SYS_CLK_FREQ;
+       sys_info->freq_qe = qe_ratio * CONFIG_SYS_CLK_FREQ;
 #endif
 #endif
 
 #ifdef CONFIG_SYS_DPAA_FMAN
-               sysInfo->freqFMan[0] = sysInfo->freqSystemBus;
+               sys_info->freq_fman[0] = sys_info->freq_systembus;
 #endif
 
 #endif /* CONFIG_FSL_CORENET */
@@ -366,10 +350,10 @@ void get_sys_info (sys_info_t * sysInfo)
                 */
                lcrr_div *= 2;
 #endif
-               sysInfo->freqLocalBus = sysInfo->freqSystemBus / lcrr_div;
+               sys_info->freq_localbus = sys_info->freq_systembus / lcrr_div;
        } else {
                /* In case anyone cares what the unknown value is */
-               sysInfo->freqLocalBus = lcrr_div;
+               sys_info->freq_localbus = lcrr_div;
        }
 #endif
 
@@ -377,7 +361,7 @@ void get_sys_info (sys_info_t * sysInfo)
        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;
+       sys_info->freq_localbus = sys_info->freq_systembus / ccr;
 #endif
 }
 
@@ -398,13 +382,13 @@ int get_clocks (void)
        dfbrg = (sccr & SCCR_DFBRG_MSK) >> SCCR_DFBRG_SHIFT;
 #endif
        get_sys_info (&sys_info);
-       gd->cpu_clk = sys_info.freqProcessor[0];
-       gd->bus_clk = sys_info.freqSystemBus;
-       gd->mem_clk = sys_info.freqDDRBus;
-       gd->arch.lbc_clk = sys_info.freqLocalBus;
+       gd->cpu_clk = sys_info.freq_processor[0];
+       gd->bus_clk = sys_info.freq_systembus;
+       gd->mem_clk = sys_info.freq_ddrbus;
+       gd->arch.lbc_clk = sys_info.freq_localbus;
 
 #ifdef CONFIG_QE
-       gd->arch.qe_clk = sys_info.freqQE;
+       gd->arch.qe_clk = sys_info.freq_qe;
        gd->arch.brg_clk = gd->arch.qe_clk / 2;
 #endif
        /*
@@ -416,7 +400,7 @@ int get_clocks (void)
         */
 #if defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \
        defined(CONFIG_MPC8560) || defined(CONFIG_MPC8555)
-       gd->arch.i2c1_clk = sys_info.freqSystemBus;
+       gd->arch.i2c1_clk = sys_info.freq_systembus;
 #elif defined(CONFIG_MPC8544)
        /*
         * On the 8544, the I2C clock is the same as the SEC clock.  This can be
@@ -426,12 +410,12 @@ 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->arch.i2c1_clk = sys_info.freqSystemBus / 3;
+               gd->arch.i2c1_clk = sys_info.freq_systembus / 3;
        else
-               gd->arch.i2c1_clk = sys_info.freqSystemBus / 2;
+               gd->arch.i2c1_clk = sys_info.freq_systembus / 2;
 #else
        /* Most 85xx SOCs use CCB/2, so this is the default behavior. */
-       gd->arch.i2c1_clk = sys_info.freqSystemBus / 2;
+       gd->arch.i2c1_clk = sys_info.freq_systembus / 2;
 #endif
        gd->arch.i2c2_clk = gd->arch.i2c1_clk;
 
@@ -445,7 +429,7 @@ int get_clocks (void)
 #endif /* defined(CONFIG_FSL_ESDHC) */
 
 #if defined(CONFIG_CPM2)
-       gd->arch.vco_out = 2*sys_info.freqSystemBus;
+       gd->arch.vco_out = 2*sys_info.freq_systembus;
        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)));