Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / m68k / cpu / mcf5227x / cpu.c

diff --git a/qemu/roms/u-boot/arch/m68k/cpu/mcf5227x/cpu.c b/qemu/roms/u-boot/arch/m68k/cpu/mcf5227x/cpu.c
new file mode 100644 (file)
index 0000000..7d611de
--- /dev/null
+++ b/qemu/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;
+}