diff options
Diffstat (limited to 'cpu/mcf5445x/cpu.c')
| -rw-r--r-- | cpu/mcf5445x/cpu.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/cpu/mcf5445x/cpu.c b/cpu/mcf5445x/cpu.c new file mode 100644 index 000000000..e601b8949 --- /dev/null +++ b/cpu/mcf5445x/cpu.c @@ -0,0 +1,97 @@ +/* + * + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@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/immap.h> + +DECLARE_GLOBAL_DATA_PTR; + +int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[]) +{ + volatile rcm_t *rcm = (rcm_t *) (MMAP_RCM); + udelay(1000); + rcm->rcr |= RCM_RCR_SOFTRST; + + /* we don't return! */ + return 0; +}; + +int checkcpu(void) +{ + volatile ccm_t *ccm = (ccm_t *) MMAP_CCM; + u16 msk; + u16 id = 0; + u8 ver; + + puts("CPU: "); + msk = (ccm->cir >> 6); + ver = (ccm->cir & 0x003f); + switch (msk) { + case 0x48: + id = 54455; + break; + case 0x49: + id = 54454; + break; + case 0x4a: + id = 54453; + break; + case 0x4b: + id = 54452; + break; + case 0x4d: + id = 54451; + break; + case 0x4f: + id = 54450; + break; + } + + if (id) { + printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, + ver); + printf(" CPU CLK %d Mhz BUS CLK %d Mhz FLB CLK %d Mhz\n", + (int)(gd->cpu_clk / 1000000), + (int)(gd->bus_clk / 1000000), + (int)(gd->flb_clk / 1000000)); +#ifdef CONFIG_PCI + printf(" PCI CLK %d Mhz INP CLK %d Mhz VCO CLK %d Mhz\n", + (int)(gd->pci_clk / 1000000), + (int)(gd->inp_clk / 1000000), + (int)(gd->vco_clk / 1000000)); +#else + printf(" INP CLK %d Mhz VCO CLK %d Mhz\n", + (int)(gd->inp_clk / 1000000), + (int)(gd->vco_clk / 1000000)); +#endif + } + + return 0; +} |