/* * Copyright 2004,2007-2010 Freescale Semiconductor, Inc. * (C) Copyright 2002, 2003 Motorola Inc. * Xianghua Xiao (X.Xiao@motorola.com) * * (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 */ #include #include #include #include #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; int checkcpu (void) { sys_info_t sysinfo; uint pvr, svr; uint fam; uint ver; uint major, minor; struct cpu_type *cpu; char buf1[32], buf2[32]; #if defined(CONFIG_DDR_CLK_FREQ) || defined(CONFIG_FSL_CORENET) volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); #endif /* CONFIG_FSL_CORENET */ #ifdef CONFIG_DDR_CLK_FREQ u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO) >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT; #else #ifdef CONFIG_FSL_CORENET u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC) >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT; #else u32 ddr_ratio = 0; #endif /* CONFIG_FSL_CORENET */ #endif /* CONFIG_DDR_CLK_FREQ */ int i; svr = get_svr(); major = SVR_MAJ(svr); #ifdef CONFIG_MPC8536 major &= 0x7; /* the msb of this nibble is a mfg code */ #endif minor = SVR_MIN(svr); if (cpu_numcores() > 1) { #ifndef CONFIG_MP puts("Unicore software on multiprocessor system!!\n" "To enable mutlticore build define CONFIG_MP\n"); #endif volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC85xx_PIC_ADDR); printf("CPU%d: ", pic->whoami); } else { puts("CPU: "); } cpu = gd->cpu; puts(cpu->name); if (IS_E_PROCESSOR(svr)) puts("E"); printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr); pvr = get_pvr(); fam = PVR_FAM(pvr); ver = PVR_VER(pvr); major = PVR_MAJ(pvr); minor = PVR_MIN(pvr); printf("Core: "); if (PVR_FAM(PVR_85xx)) { switch(PVR_MEM(pvr)) { case 0x1: case 0x2: puts("E500"); break; case 0x3: puts("E500MC"); break; case 0x4: puts("E5500"); break; default: puts("Unknown"); break; } } else { puts("Unknown"); } printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr); get_sys_info(&sysinfo); puts("Clock Configuration:"); for (i = 0; i < cpu_numcores(); i++) { if (!(i & 3)) printf ("\n "); printf("CPU%d:%-4s MHz, ", i,strmhz(buf1, sysinfo.freqProcessor[i])); } printf("\n CCB:%-4s MHz,\n", strmhz(buf1, sysinfo.freqSystemBus)); #ifdef CONFIG_FSL_CORENET if (ddr_sync == 1) { printf(" DDR:%-4s MHz (%s MT/s data rate) " "(Synchronous), ", strmhz(buf1, sysinfo.freqDDRBus/2), strmhz(buf2, sysinfo.freqDDRBus)); } else { printf(" DDR:%-4s MHz (%s MT/s data rate) " "(Asynchronous), ", strmhz(buf1, sysinfo.freqDDRBus/2), strmhz(buf2, sysinfo.freqDDRBus)); } #else switch (ddr_ratio) { case 0x0: printf(" DDR:%-4s MHz (%s MT/s data rate), ", strmhz(buf1, sysinfo.freqDDRBus/2), strmhz(buf2, sysinfo.freqDDRBus)); break; case 0x7: printf(" DDR:%-4s MHz (%s MT/s data rate) " "(Synchronous), ", strmhz(buf1, sysinfo.freqDDRBus/2), strmhz(buf2, sysinfo.freqDDRBus)); break; default: printf(" DDR:%-4s MHz (%s MT/s data rate) " "(Asynchronous), ", strmhz(buf1, sysinfo.freqDDRBus/2), strmhz(buf2, sysinfo.freqDDRBus)); break; } #endif if (sysinfo.freqLocalBus > LCRR_CLKDIV) { printf("LBC:%-4s MHz\n", strmhz(buf1, sysinfo.freqLocalBus)); } else { printf("LBC: unknown (LCRR[CLKDIV] = 0x%02lx)\n", sysinfo.freqLocalBus); } #ifdef CONFIG_CPM2 printf("CPM: %s MHz\n", strmhz(buf1, sysinfo.freqSystemBus)); #endif #ifdef CONFIG_QE printf(" QE:%-4s MHz\n", strmhz(buf1, sysinfo.freqQE)); #endif #ifdef CONFIG_SYS_DPAA_FMAN for (i = 0; i < CONFIG_SYS_NUM_FMAN; i++) { printf(" FMAN%d: %s MHz\n", i, strmhz(buf1, sysinfo.freqFMan[i])); } #endif #ifdef CONFIG_SYS_DPAA_PME printf(" PME: %s MHz\n", strmhz(buf1, sysinfo.freqPME)); #endif puts("L1: D-cache 32 kB enabled\n I-cache 32 kB enabled\n"); return 0; } /* ------------------------------------------------------------------------- */ int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char * const argv[]) { /* Everything after the first generation of PQ3 parts has RSTCR */ #if defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || \ defined(CONFIG_MPC8555) || defined(CONFIG_MPC8560) unsigned long val, msr; /* * Initiate hard reset in debug control register DBCR0 * Make sure MSR[DE] = 1. This only resets the core. */ msr = mfmsr (); msr |= MSR_DE; mtmsr (msr); val = mfspr(DBCR0); val |= 0x70000000; mtspr(DBCR0,val); #else volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); out_be32(&gur->rstcr, 0x2); /* HRESET_REQ */ udelay(100); #endif return 1; } /* * Get timebase clock frequency */ unsigned long get_tbclk (void) { #ifdef CONFIG_FSL_CORENET return (gd->bus_clk + 8) / 16; #else return (gd->bus_clk + 4UL)/8UL; #endif } #if defined(CONFIG_WATCHDOG) void watchdog_reset(void) { int re_enable = disable_interrupts(); reset_85xx_watchdog(); if (re_enable) enable_interrupts(); } void reset_85xx_watchdog(void) { /* * Clear TSR(WIS) bit by writing 1 */ unsigned long val; val = mfspr(SPRN_TSR); val |= TSR_WIS; mtspr(SPRN_TSR, val); } #endif /* CONFIG_WATCHDOG */ /* * Initializes on-chip MMC controllers. * to override, implement board_mmc_init() */ int cpu_mmc_init(bd_t *bis) { #ifdef CONFIG_FSL_ESDHC return fsl_esdhc_mmc_init(bis); #else return 0; #endif } /* * Print out the state of various machine registers. * Currently prints out LAWs, BR0/OR0, and TLBs */ void mpc85xx_reginfo(void) { print_tlbcam(); print_laws(); print_lbc_regs(); }