/*
- * (C) Copyright 2000-2003
+ * (C) Copyright 2000-2010
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
#include <common.h>
#include <watchdog.h>
#include <command.h>
+#include <net.h>
#include <mpc5xxx.h>
+#include <netdev.h>
+#include <asm/io.h>
#include <asm/processor.h>
+#if defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#include <libfdt_env.h>
+#include <fdt_support.h>
+#endif
+
+#if defined(CONFIG_OF_IDE_FIXUP)
+#include <ide.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
int checkcpu (void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
ulong clock = gd->cpu_clk;
char buf[32];
+#ifndef CONFIG_MGT5100
+ uint svr, pvr;
+#endif
puts ("CPU: ");
- printf (CPU_ID_STR);
-
+#ifdef CONFIG_MGT5100
+ puts (CPU_ID_STR);
printf (" (JTAG ID %08lx)", *(vu_long *)MPC5XXX_CDM_JTAGID);
-
+#else
+ svr = get_svr();
+ pvr = get_pvr();
+
+ switch (pvr) {
+ case PVR_5200:
+ printf("MPC5200");
+ break;
+ case PVR_5200B:
+ printf("MPC5200B");
+ break;
+ default:
+ printf("Unknown MPC5xxx");
+ break;
+ }
+
+ printf (" v%d.%d, Core v%d.%d", SVR_MJREV (svr), SVR_MNREV (svr),
+ PVR_MAJ(pvr), PVR_MIN(pvr));
+#endif
printf (" at %s MHz\n", strmhz (buf, clock));
-
return 0;
}
int
do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
- ulong msr, addr;
-
- *(vu_long *)MPC5XXX_CDM_SRESET &= ~(1 << 16); /* Checkstop Reset enable */
-
+ ulong msr;
/* Interrupts and MMU off */
__asm__ __volatile__ ("mfmsr %0":"=r" (msr):);
msr &= ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR);
__asm__ __volatile__ ("mtmsr %0"::"r" (msr));
- /*
- * Trying to execute the next instruction at a non-existing address
- * should cause a machine check, resulting in reset
- */
-#ifdef CFG_RESET_ADDRESS
- addr = CFG_RESET_ADDRESS;
-#else
- /*
- * note: when CFG_MONITOR_BASE points to a RAM address, CFG_MONITOR_BASE
- * - sizeof (ulong) is usually a valid address. Better pick an address
- * known to be invalid on your system and assign it to CFG_RESET_ADDRESS.
- */
- addr = CFG_MONITOR_BASE - sizeof (ulong);
-#endif
- ((void (*)(void)) addr) ();
+ /* Charge the watchdog timer */
+ *(vu_long *)(MPC5XXX_GPT0_COUNTER) = 0x0001000f;
+ *(vu_long *)(MPC5XXX_GPT0_ENABLE) = 0x9004; /* wden|ce|timer_ms */
+ while(1);
+
return 1;
}
*/
unsigned long get_tbclk (void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
ulong tbclk;
tbclk = (gd->bus_clk + 3L) / 4L;
}
/* ------------------------------------------------------------------------- */
+
+#if defined(CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP)
+void ft_cpu_setup(void *blob, bd_t *bd)
+{
+ int div = in_8((void*)CONFIG_SYS_MBAR + 0x204) & 0x0020 ? 8 : 4;
+ char * cpu_path = "/cpus/" OF_CPU;
+#ifdef CONFIG_MPC5xxx_FEC
+ uchar enetaddr[6];
+ char * eth_path = "/" OF_SOC "/ethernet@3000";
+#endif
+
+ do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1);
+ do_fixup_by_path_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1);
+ do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
+ do_fixup_by_path_u32(blob, "/" OF_SOC, "bus-frequency", bd->bi_ipbfreq, 1);
+ do_fixup_by_path_u32(blob, "/" OF_SOC, "system-frequency",
+ bd->bi_busfreq*div, 1);
+#ifdef CONFIG_MPC5xxx_FEC
+ eth_getenv_enetaddr("ethaddr", enetaddr);
+ do_fixup_by_path(blob, eth_path, "mac-address", enetaddr, 6, 0);
+ do_fixup_by_path(blob, eth_path, "local-mac-address", enetaddr, 6, 0);
+#endif
+#if defined(CONFIG_OF_IDE_FIXUP)
+ if (!ide_device_present(0)) {
+ /* NO CF card detected -> delete ata node in DTS */
+ int nodeoffset = 0;
+ char nodename[] = "/soc5200@f0000000/ata@3a00";
+
+ nodeoffset = fdt_path_offset(blob, nodename);
+ if (nodeoffset >= 0) {
+ fdt_del_node(blob, nodeoffset);
+ } else {
+ printf("%s: cannot find %s node err:%s\n",
+ __func__, nodename, fdt_strerror(nodeoffset));
+ }
+ }
+
+#endif
+ fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
+}
+#endif
+
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+
+void bootcount_store (ulong a)
+{
+ volatile ulong *save_addr = (volatile ulong *) (MPC5XXX_CDM_BRDCRMB);
+
+ *save_addr = (BOOTCOUNT_MAGIC & 0xffff0000) | a;
+}
+
+ulong bootcount_load (void)
+{
+ volatile ulong *save_addr = (volatile ulong *) (MPC5XXX_CDM_BRDCRMB);
+
+ if ((*save_addr & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000))
+ return 0;
+ else
+ return (*save_addr & 0x0000ffff);
+}
+#endif /* CONFIG_BOOTCOUNT_LIMIT */
+
+#ifdef CONFIG_MPC5xxx_FEC
+/* Default initializations for FEC controllers. To override,
+ * create a board-specific function called:
+ * int board_eth_init(bd_t *bis)
+ */
+
+int cpu_eth_init(bd_t *bis)
+{
+ return mpc5xxx_fec_initialize(bis);
+}
+#endif
+
+#if defined(CONFIG_WATCHDOG)
+void watchdog_reset(void)
+{
+ int re_enable = disable_interrupts();
+ reset_5xxx_watchdog();
+ if (re_enable) enable_interrupts();
+}
+
+void reset_5xxx_watchdog(void)
+{
+ volatile struct mpc5xxx_gpt *gpt0 =
+ (struct mpc5xxx_gpt *) MPC5XXX_GPT;
+
+ /* Trigger TIMER_0 by writing A5 to OCPW */
+ clrsetbits_be32(&gpt0->emsr, 0xff000000, 0xa5000000);
+}
+#endif /* CONFIG_WATCHDOG */