diff options
Diffstat (limited to 'roms/u-boot/arch/m68k/cpu/mcf5227x/cpu.c')
-rw-r--r-- | roms/u-boot/arch/m68k/cpu/mcf5227x/cpu.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/roms/u-boot/arch/m68k/cpu/mcf5227x/cpu.c b/roms/u-boot/arch/m68k/cpu/mcf5227x/cpu.c new file mode 100644 index 00000000..7d611de9 --- /dev/null +++ b/roms/u-boot/arch/m68k/cpu/mcf5227x/cpu.c @@ -0,0 +1,62 @@ +/* + * + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.com) + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <watchdog.h> +#include <command.h> + +#include <asm/immap.h> +#include <asm/io.h> + +DECLARE_GLOBAL_DATA_PTR; + +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + rcm_t *rcm = (rcm_t *) (MMAP_RCM); + udelay(1000); + setbits_8(&rcm->rcr, RCM_RCR_SOFTRST); + + /* we don't return! */ + return 0; +}; + +int checkcpu(void) +{ + ccm_t *ccm = (ccm_t *) MMAP_CCM; + u16 msk; + u16 id = 0; + u8 ver; + + puts("CPU: "); + msk = (in_be16(&ccm->cir) >> 6); + ver = (in_be16(&ccm->cir) & 0x003f); + switch (msk) { + case 0x6c: + id = 52277; + break; + } + + if (id) { + char buf1[32], buf2[32], buf3[32]; + + printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, + ver); + printf(" CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n", + strmhz(buf1, gd->cpu_clk), + strmhz(buf2, gd->bus_clk), + strmhz(buf3, gd->arch.flb_clk)); + printf(" INP CLK %s MHz VCO CLK %s MHz\n", + strmhz(buf1, gd->arch.inp_clk), + strmhz(buf2, gd->arch.vco_clk)); + } + + return 0; +} |