Merge branch 'master' of git://git.denx.de/u-boot-usb

[karo-tx-uboot.git] / arch / powerpc / cpu / mpc85xx / speed.c

diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c
index 46ae80c4d819b244de758d60a28a09cd6095d4a5..7e698730f3d1bfd0b48631b01fa35421e020a575 100644 (file)
--- a/arch/powerpc/cpu/mpc85xx/speed.c
+++ b/arch/powerpc/cpu/mpc85xx/speed.c
@@ -37,6 +37,7 @@ void get_sys_info(sys_info_t *sys_info)
 #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
        int cc_group[12] = CONFIG_SYS_FSL_CLUSTER_CLOCKS;
 #endif
+       __maybe_unused u32 svr;
 
        const u8 core_cplx_PLL[16] = {
                [ 0] = 0,       /* CC1 PPL / 1 */
@@ -76,23 +77,73 @@ void get_sys_info(sys_info_t *sys_info)
        uint mem_pll_rat;
 
        sys_info->freq_systembus = sysclk;
+#ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
+       uint ddr_refclk_sel;
+       unsigned int porsr1_sys_clk;
+       porsr1_sys_clk = in_be32(&gur->porsr1) >> FSL_DCFG_PORSR1_SYSCLK_SHIFT
+                                               & FSL_DCFG_PORSR1_SYSCLK_MASK;
+       if (porsr1_sys_clk == FSL_DCFG_PORSR1_SYSCLK_DIFF)
+               sys_info->diff_sysclk = 1;
+       else
+               sys_info->diff_sysclk = 0;
+
+       /*
+        * DDR_REFCLK_SEL rcw bit is used to determine if DDR PLLS
+        * are driven by separate DDR Refclock or single source
+        * differential clock.
+        */
+       ddr_refclk_sel = (in_be32(&gur->rcwsr[5]) >>
+                     FSL_CORENET2_RCWSR5_DDR_REFCLK_SEL_SHIFT) &
+                     FSL_CORENET2_RCWSR5_DDR_REFCLK_SEL_MASK;
+       /*
+        * For single source clocking, both ddrclock and sysclock
+        * are driven by differential sysclock.
+        */
+       if (ddr_refclk_sel == FSL_CORENET2_RCWSR5_DDR_REFCLK_SINGLE_CLK)
+               sys_info->freq_ddrbus = CONFIG_SYS_CLK_FREQ;
+       else
+#endif
 #ifdef CONFIG_DDR_CLK_FREQ
-       sys_info->freq_ddrbus = CONFIG_DDR_CLK_FREQ;
+               sys_info->freq_ddrbus = CONFIG_DDR_CLK_FREQ;
 #else
-       sys_info->freq_ddrbus = sysclk;
+               sys_info->freq_ddrbus = sysclk;
 #endif
 
        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;
+#ifdef CONFIG_SYS_FSL_ERRATUM_A007212
+       if (mem_pll_rat == 0) {
+               mem_pll_rat = (in_be32(&gur->rcwsr[0]) >>
+                       FSL_CORENET_RCWSR0_MEM_PLL_RAT_RESV_SHIFT) &
+                       FSL_CORENET_RCWSR0_MEM_PLL_RAT_MASK;
+       }
+#endif
        /* T4240/T4160 Rev2.0 MEM_PLL_RAT uses a value which is half of
         * T4240/T4160 Rev1.0. eg. It's 12 in Rev1.0, however, for Rev2.0
         * it uses 6.
+        * T2080 rev 1.1 and later also use half mem_pll comparing with rev 1.0
         */
-#if defined(CONFIG_PPC_T4240) || defined(CONFIG_PPC_T4160)
-       if (SVR_MAJ(get_svr()) >= 2)
-               mem_pll_rat *= 2;
+#if defined(CONFIG_PPC_T4240) || defined(CONFIG_PPC_T4160) || \
+       defined(CONFIG_PPC_T4080) || defined(CONFIG_PPC_T2080)
+       svr = get_svr();
+       switch (SVR_SOC_VER(svr)) {
+       case SVR_T4240:
+       case SVR_T4160:
+       case SVR_T4120:
+       case SVR_T4080:
+               if (SVR_MAJ(svr) >= 2)
+                       mem_pll_rat *= 2;
+               break;
+       case SVR_T2080:
+       case SVR_T2081:
+               if ((SVR_MAJ(svr) > 1) || (SVR_MIN(svr) >= 1))
+                       mem_pll_rat *= 2;
+               break;
+       default:
+               break;
+       }
 #endif
        if (mem_pll_rat > 2)
                sys_info->freq_ddrbus *= mem_pll_rat;
@@ -130,9 +181,13 @@ 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];
        }
-#if defined(CONFIG_PPC_B4860) || defined(CONFIG_PPC_T2080)
+#if defined(CONFIG_PPC_B4860) || defined(CONFIG_PPC_B4420) || \
+       defined(CONFIG_PPC_T2080) || defined(CONFIG_PPC_T2081)
 #define FM1_CLK_SEL    0xe0000000
 #define FM1_CLK_SHIFT  29
+#elif defined(CONFIG_PPC_T1024) || defined(CONFIG_PPC_T1023)
+#define FM1_CLK_SEL    0x00000007
+#define FM1_CLK_SHIFT  0
 #else
 #define PME_CLK_SEL    0xe0000000
 #define PME_CLK_SHIFT  29
@@ -140,8 +195,12 @@ void get_sys_info(sys_info_t *sys_info)
 #define FM1_CLK_SHIFT  26
 #endif
 #if !defined(CONFIG_FM_PLAT_CLK_DIV) || !defined(CONFIG_PME_PLAT_CLK_DIV)
+#if defined(CONFIG_PPC_T1024) || defined(CONFIG_PPC_T1023)
+       rcw_tmp = in_be32(&gur->rcwsr[15]) - 4;
+#else
        rcw_tmp = in_be32(&gur->rcwsr[7]);
 #endif
+#endif
 
 #ifdef CONFIG_SYS_DPAA_PME
 #ifndef CONFIG_PME_PLAT_CLK_DIV
@@ -178,7 +237,10 @@ void get_sys_info(sys_info_t *sys_info)
 #endif
 
 #ifdef CONFIG_SYS_DPAA_QBMAN
-       sys_info->freq_qman = sys_info->freq_systembus / 2;
+#ifndef CONFIG_QBMAN_CLK_DIV
+#define CONFIG_QBMAN_CLK_DIV   2
+#endif
+       sys_info->freq_qman = sys_info->freq_systembus / CONFIG_QBMAN_CLK_DIV;
 #endif
 
 #ifdef CONFIG_SYS_DPAA_FMAN
@@ -229,6 +291,9 @@ void get_sys_info(sys_info_t *sys_info)
        case 4:
                sys_info->freq_fman[1] = freq_c_pll[CONFIG_SYS_FM2_CLK + 1] / 4;
                break;
+       case 5:
+               sys_info->freq_fman[1] = sys_info->freq_systembus;
+               break;
        case 6:
                sys_info->freq_fman[1] = freq_c_pll[CONFIG_SYS_FM2_CLK] / 2;
                break;
@@ -311,6 +376,10 @@ void get_sys_info(sys_info_t *sys_info)
 
 #endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */
 
+#ifdef CONFIG_U_QE
+       sys_info->freq_qe =  sys_info->freq_systembus / 2;
+#endif
+
 #else /* CONFIG_FSL_CORENET */
        uint plat_ratio, e500_ratio, half_freq_systembus;
        int i;
@@ -388,7 +457,7 @@ void get_sys_info(sys_info_t *sys_info)
 #endif
 
 #if defined(CONFIG_FSL_IFC)
-       ccr = in_be32(&ifc_regs->ifc_ccr);
+       ccr = ifc_in32(&ifc_regs->ifc_ccr);
        ccr = ((ccr & IFC_CCR_CLK_DIV_MASK) >> IFC_CCR_CLK_DIV_SHIFT) + 1;
 
        sys_info->freq_localbus = sys_info->freq_systembus / ccr;