diff options
Diffstat (limited to 'arch/ppc/cpu/mpc86xx/cpu.c')
| -rw-r--r-- | arch/ppc/cpu/mpc86xx/cpu.c | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/arch/ppc/cpu/mpc86xx/cpu.c b/arch/ppc/cpu/mpc86xx/cpu.c deleted file mode 100644 index 1887575..0000000 --- a/arch/ppc/cpu/mpc86xx/cpu.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - * Copyright 2006,2009-2010 Freescale Semiconductor, Inc. - * Jeff Brown - * Srikanth Srinivasan (srikanth.srinivasan@freescale.com) - * - * 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 <common.h> -#include <watchdog.h> -#include <command.h> -#include <asm/cache.h> -#include <asm/mmu.h> -#include <mpc86xx.h> -#include <asm/fsl_law.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* - * Default board reset function - */ -static void -__board_reset(void) -{ - /* Do nothing */ -} -void board_reset(void) __attribute__((weak, alias("__board_reset"))); - - -int -checkcpu(void) -{ - sys_info_t sysinfo; - uint pvr, svr; - uint ver; - uint major, minor; - char buf1[32], buf2[32]; - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile ccsr_gur_t *gur = &immap->im_gur; - struct cpu_type *cpu; - uint msscr0 = mfspr(MSSCR0); - - svr = get_svr(); - ver = SVR_SOC_VER(svr); - major = SVR_MAJ(svr); - 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 - } - puts("CPU: "); - - cpu = gd->cpu; - - puts(cpu->name); - - printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr); - puts("Core: "); - - pvr = get_pvr(); - ver = PVR_E600_VER(pvr); - major = PVR_E600_MAJ(pvr); - minor = PVR_E600_MIN(pvr); - - printf("E600 Core %d", (msscr0 & 0x20) ? 1 : 0 ); - if (gur->pordevsr & MPC86xx_PORDEVSR_CORE1TE) - puts("\n Core1Translation Enabled"); - debug(" (MSSCR0=%x, PORDEVSR=%x)", msscr0, gur->pordevsr); - - printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr); - - get_sys_info(&sysinfo); - - puts("Clock Configuration:\n"); - printf(" CPU:%-4s MHz, ", strmhz(buf1, sysinfo.freqProcessor)); - printf("MPX:%-4s MHz\n", strmhz(buf1, sysinfo.freqSystemBus)); - printf(" DDR:%-4s MHz (%s MT/s data rate), ", - strmhz(buf1, sysinfo.freqSystemBus / 2), - strmhz(buf2, sysinfo.freqSystemBus)); - - 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); - } - - puts("L1: D-cache 32 KB enabled\n"); - puts(" I-cache 32 KB enabled\n"); - - puts("L2: "); - if (get_l2cr() & 0x80000000) { -#if defined(CONFIG_MPC8610) - puts("256"); -#elif defined(CONFIG_MPC8641) - puts("512"); -#endif - puts(" KB enabled\n"); - } else { - puts("Disabled\n"); - } - - return 0; -} - - -void -do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - volatile ccsr_gur_t *gur = &immap->im_gur; - - /* Attempt board-specific reset */ - board_reset(); - - /* Next try asserting HRESET_REQ */ - out_be32(&gur->rstcr, MPC86xx_RSTCR_HRST_REQ); - - while (1) - ; -} - - -/* - * Get timebase clock frequency - */ -unsigned long -get_tbclk(void) -{ - sys_info_t sys_info; - - get_sys_info(&sys_info); - return (sys_info.freqSystemBus + 3L) / 4L; -} - - -#if defined(CONFIG_WATCHDOG) -void -watchdog_reset(void) -{ -#if defined(CONFIG_MPC8610) - /* - * This actually feed the hard enabled watchdog. - */ - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - volatile ccsr_wdt_t *wdt = &immap->im_wdt; - volatile ccsr_gur_t *gur = &immap->im_gur; - u32 tmp = gur->pordevsr; - - if (tmp & 0x4000) { - wdt->swsrr = 0x556c; - wdt->swsrr = 0xaa39; - } -#endif -} -#endif /* CONFIG_WATCHDOG */ - -/* - * Print out the state of various machine registers. - * Currently prints out LAWs, BR0/OR0, and BATs - */ -void mpc86xx_reginfo(void) -{ - immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - ccsr_lbc_t *lbc = &immap->im_lbc; - - print_bats(); - print_laws(); - - printf ("Local Bus Controller Registers\n" - "\tBR0\t0x%08X\tOR0\t0x%08X \n", in_be32(&lbc->br0), in_be32(&lbc->or0)); - printf("\tBR1\t0x%08X\tOR1\t0x%08X \n", in_be32(&lbc->br1), in_be32(&lbc->or1)); - printf("\tBR2\t0x%08X\tOR2\t0x%08X \n", in_be32(&lbc->br2), in_be32(&lbc->or2)); - printf("\tBR3\t0x%08X\tOR3\t0x%08X \n", in_be32(&lbc->br3), in_be32(&lbc->or3)); - printf("\tBR4\t0x%08X\tOR4\t0x%08X \n", in_be32(&lbc->br4), in_be32(&lbc->or4)); - printf("\tBR5\t0x%08X\tOR5\t0x%08X \n", in_be32(&lbc->br5), in_be32(&lbc->or5)); - printf("\tBR6\t0x%08X\tOR6\t0x%08X \n", in_be32(&lbc->br6), in_be32(&lbc->or6)); - printf("\tBR7\t0x%08X\tOR7\t0x%08X \n", in_be32(&lbc->br7), in_be32(&lbc->or7)); - -} - -/* - * Set the DDR BATs to reflect the actual size of DDR. - * - * dram_size is the actual size of DDR, in bytes - * - * Note: we assume that CONFIG_MAX_MEM_MAPPED is 2G or smaller as we only - * are using a single BAT to cover DDR. - * - * If this is not true, (e.g. CONFIG_MAX_MEM_MAPPED is 2GB but HID0_XBSEN - * is not defined) then we might have a situation where U-Boot will attempt - * to relocated itself outside of the region mapped by DBAT0. - * This will cause a machine check. - * - * Currently we are limited to power of two sized DDR since we only use a - * single bat. If a non-power of two size is used that is less than - * CONFIG_MAX_MEM_MAPPED u-boot will crash. - * - */ -void setup_ddr_bat(phys_addr_t dram_size) -{ - unsigned long batu, bl; - - bl = TO_BATU_BL(min(dram_size, CONFIG_MAX_MEM_MAPPED)); - - if (BATU_SIZE(bl) != dram_size) { - u64 sz = (u64)dram_size - BATU_SIZE(bl); - print_size(sz, " left unmapped\n"); - } - - batu = bl | BATU_VS | BATU_VP; - write_bat(DBAT0, batu, CONFIG_SYS_DBAT0L); - write_bat(IBAT0, batu, CONFIG_SYS_IBAT0L); -} |